ANALYSIS OF THE 1998 WATER-DISTRIBUTION SYSTEM
SERVING THE DOVER TOWNSHIP AREA, NEW JERSEY:

Field Data Collection Activities and
Water Distribution System Modeling

 


Hydrant H-13: Node 8072

Node 8072 - Test Hydrant H-13 -- March 24-25, 1998

Difference
(psi)

ABS Diff
(psi)
Time
(Hours)
Total Head (ft) Pressure Head (ft) Pressure Head (m) Pressure (psi)
simulated measured simulated measured simulated measured simulated measured
0:00
190.90
194.52
184.34
187.96
56.19
57.29
79.80
81.37
1.57
1.57
1:00
194.80
204.66
188.24
198.10
57.38
60.38
81.49
85.76
4.27
4.27
2:00
223.34
214.65
216.78
208.09
66.08
63.43
93.85
90.08
-3.76
3.76
3:00
200.04
207.84
193.48
201.28
58.97
61.35
83.76
87.14
3.38
3.38
4:00
200.68
227.68
194.12
221.12
59.17
67.40
84.04
95.72
11.69
11.69
5:00
202.94
203.04
196.38
196.48
59.86
59.89
85.01
85.06
0.04
0.04
6:00
179.80
187.64
173.24
181.08
52.80
55.19
75.00
78.39
3.39
3.39
7:00
172.53
179.39
165.97
172.83
50.59
52.68
71.85
74.82
2.97
2.97
8:00
171.42
174.37
164.86
167.81
50.25
51.15
71.37
72.65
1.28
1.28
9:00
181.02
172.01
174.46
165.45
53.18
50.43
75.52
71.62
-3.90
3.90
10:00
184.85
172.09
178.29
165.53
54.34
50.45
77.18
71.66
-5.52
5.52
11:00
184.23
173.34
177.67
166.78
54.15
50.84
76.91
72.20
-4.71
4.71
12:00
183.86
174.80
177.30
168.24
54.04
51.28
76.75
72.83
-3.92
3.92
13:00
184.94
177.18
178.38
170.62
54.37
52.00
77.22
73.86
-3.36
3.36
14:00
186.77
180.13
180.21
173.57
54.93
52.90
78.01
75.14
-2.87
2.87
15:00
191.71
183.36
185.15
176.80
56.43
53.89
80.15
76.54
-3.61
3.61
16:00
193.37
184.71
186.81
178.15
56.94
54.30
80.87
77.12
-3.75
3.75
17:00
188.68
183.29
182.12
176.73
55.51
53.87
78.84
76.51
-2.33
2.33
18:00
180.26
179.47
173.70
172.91
52.94
52.70
75.19
74.85
-0.34
0.34
19:00
182.50
180.09
175.94
173.53
53.63
52.89
76.16
75.12
-1.04
1.04
20:00
183.70
183.77
177.14
177.21
53.99
54.01
76.68
76.71
0.03
0.03
21:00
185.45
187.27
178.89
180.71
54.53
55.08
77.44
78.23
0.79
0.79
22:00
192.56
196.76
186.00
190.20
56.69
57.97
80.52
82.34
1.82
1.82
23:00
205.78
209.83
199.22
203.27
60.72
61.96
86.24
88.00
1.75
1.75
0:00
206.38
212.27
199.82
205.71
60.91
62.70
86.50
89.05
2.55
2.55
1:00
249.81
255.23
243.25
248.67
74.14
75.79
105.30
107.65
2.34
2.34
2:00
190.64
201.24
184.08
194.68
56.11
59.34
79.69
84.28
4.59
4.59
3:00
186.47
199.05
179.91
192.49
54.84
58.67
77.88
83.33
5.45
5.45
4:00
191.34
198.13
184.78
191.57
56.32
58.39
79.99
82.93
2.94
2.94
5:00
198.17
206.08
191.61
199.52
58.40
60.81
82.95
86.37
3.43
3.43
6:00
185.06
185.25
178.50
178.69
54.41
54.46
77.27
77.36
0.08
0.08
7:00
178.60
176.28
172.04
169.72
52.44
51.73
74.48
73.47
-1.00
1.00
8:00
176.18
175.87
169.62
169.31
51.70
51.61
73.43
73.30
-0.13
0.13
9:00
181.60
173.66
175.04
167.10
53.35
50.93
75.77
72.34
-3.44
3.44
10:00
183.54
172.71
176.98
166.15
53.94
50.64
76.61
71.93
-4.69
4.69
11:00
186.42
174.89
179.86
168.33
54.82
51.31
77.86
72.87
-4.99
4.99
12:00
187.11
177.59
180.55
171.03
55.03
52.13
78.16
74.04
-4.12
4.12
13:00
189.81
181.71
183.25
175.15
55.86
53.39
79.33
75.82
-3.51
3.51
14:00
190.28
186.71
183.72
180.15
56.00
54.91
79.53
77.99
-1.54
1.54
15:00
190.58
188.97
184.02
182.41
56.09
55.60
79.66
78.97
-0.69
0.69
16:00
190.60
189.60
184.04
183.04
56.09
55.79
79.67
79.24
-0.43
0.43
17:00
189.47
187.92
182.91
181.36
55.75
55.28
79.18
78.51
-0.67
0.67
18:00
182.20
183.17
175.64
176.61
53.53
53.83
76.03
76.45
0.42
0.42
19:00
184.62
182.23
178.06
175.67
54.27
53.54
77.08
76.05
-1.04
1.04
20:00
183.28
184.11
176.72
177.55
53.87
54.12
76.50
76.86
0.36
0.36
21:00
185.54
188.30
178.98
181.74
54.55
55.39
77.48
78.68
1.19
1.19
22:00
194.84
196.75
188.28
190.19
57.39
57.97
81.51
82.33
0.83
0.83
23:00
207.31
204.55
200.75
197.99
61.19
60.35
86.90
85.71
-1.19
1.19
Mean: -0.20 2.58

Measured pressure are hourly averages of 1-minute sampling data; see Appendix D for 1-minute sampling data
Simulated pressure (psi) = [simulated total head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 6.56 ft
Difference (psi) = [measured pressure (psi) - simulated pressure (psi)]; ABS Diff = absolute value of difference


Hydrant AH-14: Node 6890

Node 6890 - Test Hydrant AH-14 -- March 24-25, 1998

Difference
(psi)

ABS Diff
(psi)
Time
(Hours)
Total Head (ft) Pressure Head (ft) Pressure Head (m) Pressure (psi)
simulated measured simulated measured simulated measured simulated measured
0:00 191.38 187.58 163.11 159.31 49.72 48.56 70.61 68.97 -1.64 1.64
1:00 195.09 197.05 166.82 168.78 50.85 51.44 72.22 73.07 0.85 0.85
2:00 223.82 206.35 195.55 178.08 59.60 54.28 84.66 77.09 -7.56 7.56
3:00 200.35 198.33 172.08 170.06 52.45 51.83 74.50 73.62 -0.88 0.88
4:00 200.89 217.69 172.62 189.42 52.61 57.74 74.73 82.00 7.28 7.28
5:00 203.26 193.28 174.99 165.01 53.34 50.30 75.75 71.43 -4.32 4.32
6:00 180.99 179.66 152.72 151.39 46.55 46.14 66.11 65.54 -0.58 0.58
7:00 173.72 174.80 145.45 146.53 44.33 44.66 62.97 63.43 0.47 0.47
8:00 172.64 175.17 144.37 146.90 44.00 44.78 62.50 63.59 1.10 1.10
9:00 182.03 176.98 153.76 148.71 46.87 45.33 66.56 64.38 -2.19 2.19
10:00 185.79 178.49 157.52 150.22 48.01 45.79 68.19 65.03 -3.16 3.16
11:00 185.05 179.91 156.78 151.64 47.79 46.22 67.87 65.65 -2.23 2.23
12:00 184.71 181.59 156.44 153.32 47.68 46.73 67.72 66.37 -1.35 1.35
13:00 185.72 183.17 157.45 154.90 47.99 47.21 68.16 67.06 -1.11 1.11
14:00 187.52 184.93 159.25 156.66 48.54 47.75 68.94 67.82 -1.12 1.12
15:00 192.42 186.60 164.15 158.33 50.03 48.26 71.06 68.54 -2.52 2.52
16:00 194.08 186.42 165.81 158.15 50.54 48.20 71.78 68.46 -3.31 3.31
17:00 189.49 182.97 161.22 154.70 49.14 47.15 69.79 66.97 -2.82 2.82
18:00 181.25 177.86 152.98 149.59 46.63 45.59 66.22 64.76 -1.47 1.47
19:00 183.39 177.09 155.12 148.82 47.28 45.36 67.15 64.42 -2.73 2.73
20:00 184.55 178.89 156.28 150.62 47.63 45.91 67.65 65.20 -2.45 2.45
21:00 186.21 182.03 157.94 153.76 48.14 46.87 68.37 66.56 -1.81 1.81
22:00 193.22 190.29 164.95 162.02 50.28 49.38 71.41 70.14 -1.27 1.27
23:00 206.40 201.90 178.13 173.63 54.29 52.92 77.11 75.17 -1.95 1.95
0:00 206.61 203.42 178.34 175.15 54.36 53.39 77.20 75.82 -1.38 1.38
1:00 250.11 246.12 221.84 217.85 67.62 66.40 96.03 94.31 -1.73 1.73
2:00 190.69 192.43 162.42 164.16 49.50 50.04 70.31 71.07 0.76 0.76
3:00 186.53 189.50 158.26 161.23 48.24 49.14 68.51 69.80 1.28 1.28
4:00 191.38 187.88 163.11 159.61 49.72 48.65 70.61 69.10 -1.51 1.51
5:00 198.60 196.65 170.33 168.38 51.92 51.32 73.74 72.89 -0.85 0.85
6:00 186.05 177.70 157.78 149.43 48.09 45.55 68.30 64.69 -3.61 3.61
7:00 179.70 172.50 151.43 144.23 46.16 43.96 65.55 62.44 -3.12 3.12
8:00 177.42 178.06 149.15 149.79 45.46 45.65 64.57 64.84 0.28 0.28
9:00 182.68 180.16 154.41 151.89 47.06 46.30 66.84 65.75 -1.09 1.09
10:00 184.50 181.44 156.23 153.17 47.62 46.69 67.63 66.31 -1.32 1.32
11:00 187.25 183.88 158.98 155.61 48.46 47.43 68.82 67.36 -1.46 1.46
12:00 187.94 184.55 159.67 156.28 48.67 47.64 69.12 67.66 -1.47 1.47
13:00 190.57 186.13 162.30 157.86 49.47 48.12 70.26 68.34 -1.92 1.92
14:00 191.03 187.01 162.76 158.74 49.61 48.38 70.46 68.72 -1.74 1.74
15:00 191.31 187.65 163.04 159.38 49.69 48.58 70.58 68.99 -1.59 1.59
16:00 191.35 186.94 163.08 158.67 49.71 48.36 70.60 68.69 -1.91 1.91
17:00 190.29 185.32 162.02 157.05 49.38 47.87 70.14 67.98 -2.15 2.15
18:00 183.05 178.94 154.78 150.67 47.18 45.93 67.00 65.23 -1.78 1.78
19:00 185.40 176.85 157.13 148.58 47.89 45.29 68.02 64.32 -3.70 3.70
20:00 184.06 178.21 155.79 149.94 47.49 45.70 67.44 64.91 -2.53 2.53
21:00 186.32 181.97 158.05 153.70 48.17 46.85 68.42 66.54 -1.88 1.88
22:00 195.51 190.77 167.24 162.50 50.97 49.53 72.40 70.35 -2.05 2.05
23:00 207.97 198.59 179.70 170.32 54.77 51.91 77.79 73.73 -4.06 4.06
Mean: -1.61 2.11

Measured pressure are hourly averages of 1-minute sampling data; see Appendix D for 1-minute sampling data
Simulated pressure (psi) = [simulated total head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 28.27 ft
Difference (psi) = [measured pressure (psi) - simulated pressure (psi)]; ABS Diff = absolute value of difference


Hydrant H-15: Node 8033

Node 8033 - Test Hydrant H-15 -- March 24-25, 1998

Difference
(psi)

ABS Diff
(psi)
Time
(Hours)
Total Head (ft) Pressure Head (ft) Pressure Head (m) Pressure (psi)
simulated measured simulated measured simulated measured simulated measured
0:00 190.77 184.62 184.59 178.44 56.26 54.39 79.91 77.25 -2.66 2.66
1:00 194.58 194.40 188.40 188.22 57.42 57.37 81.56 81.48 -0.08 0.08
2:00 222.62 203.35 216.44 197.17 65.97 60.10 93.70 85.35 -8.34 8.34
3:00 199.82 196.32 193.64 190.14 59.02 57.95 83.83 82.31 -1.52 1.52
4:00 200.70 215.48 194.52 209.30 59.29 63.79 84.21 90.61 6.40 6.40
5:00 203.14 191.04 196.96 184.86 60.03 56.34 85.26 80.02 -5.24 5.24
6:00 179.88 177.37 173.70 171.19 52.94 52.18 75.19 74.11 -1.09 1.09
7:00 173.16 172.01 166.98 165.83 50.90 50.55 72.29 71.79 -0.50 0.50
8:00 172.06 171.44 165.88 165.26 50.56 50.37 71.81 71.54 -0.27 0.27
9:00 181.45 171.84 175.27 165.66 53.42 50.49 75.87 71.71 -4.16 4.16
10:00 185.42 173.37 179.24 167.19 54.63 50.96 77.59 72.38 -5.22 5.22
11:00 184.52 174.79 178.34 168.61 54.36 51.39 77.20 72.99 -4.21 4.21
12:00 184.15 176.30 177.97 170.12 54.25 51.85 77.04 73.64 -3.40 3.40
13:00 185.16 178.16 178.98 171.98 54.55 52.42 77.48 74.45 -3.03 3.03
14:00 186.96 180.13 180.78 173.95 55.10 53.02 78.26 75.30 -2.96 2.96
15:00 191.81 181.91 185.63 175.73 56.58 53.56 80.36 76.08 -4.28 4.28
16:00 193.50 182.29 187.32 176.11 57.09 53.68 81.09 76.24 -4.85 4.85
17:00 188.95 179.23 182.77 173.05 55.71 52.75 79.12 74.91 -4.21 4.21
18:00 180.71 174.56 174.53 168.38 53.20 51.32 75.55 72.89 -2.66 2.66
19:00 182.88 174.03 176.70 167.85 53.86 51.16 76.49 72.66 -3.83 3.83
20:00 184.03 176.61 177.85 170.43 54.21 51.95 76.99 73.78 -3.21 3.21
21:00 185.67 179.63 179.49 173.45 54.71 52.87 77.70 75.08 -2.62 2.62
22:00 192.64 187.61 186.46 181.43 56.83 55.30 80.72 78.54 -2.18 2.18
23:00 205.75 199.42 199.57 193.24 60.83 58.90 86.39 83.65 -2.74 2.74
0:00 206.28 201.27 200.10 195.09 60.99 59.46 86.62 84.45 -2.17 2.17
1:00 249.23 244.35 243.05 238.17 74.08 72.59 105.21 103.10 -2.11 2.11
2:00 190.68 190.48 184.50 184.30 56.24 56.17 79.87 79.78 -0.09 0.09
3:00 186.53 188.18 180.35 182.00 54.97 55.47 78.07 78.79 0.72 0.72
4:00 191.44 186.60 185.26 180.42 56.47 54.99 80.20 78.10 -2.10 2.10
5:00 198.25 194.39 192.07 188.21 58.54 57.36 83.15 81.47 -1.67 1.67
6:00 185.51 175.11 179.33 168.93 54.66 51.49 77.63 73.13 -4.50 4.50
7:00 179.12 169.89 172.94 163.71 52.71 49.90 74.87 70.87 -4.00 4.00
8:00 177.06 174.86 170.88 168.68 52.09 51.41 73.98 73.02 -0.95 0.95
9:00 182.33 176.22 176.15 170.04 53.69 51.83 76.25 73.61 -2.65 2.65
10:00 184.17 176.78 177.99 170.60 54.25 52.00 77.05 73.85 -3.20 3.20
11:00 186.87 178.61 180.69 172.43 55.08 52.56 78.22 74.65 -3.58 3.58
12:00 187.59 179.48 181.41 173.30 55.29 52.82 78.53 75.02 -3.51 3.51
13:00 189.99 181.25 183.81 175.07 56.02 53.36 79.57 75.79 -3.78 3.78
14:00 190.47 182.45 184.29 176.27 56.17 53.73 79.78 76.31 -3.47 3.47
15:00 190.77 182.33 184.59 176.15 56.26 53.69 79.91 76.25 -3.66 3.66
16:00 190.82 181.19 184.64 175.01 56.28 53.34 79.93 75.76 -4.17 4.17
17:00 189.76 181.25 183.58 175.07 55.95 53.36 79.47 75.79 -3.68 3.68
18:00 182.60 176.01 176.42 169.83 53.77 51.76 76.37 73.52 -2.86 2.86
19:00 184.96 174.11 178.78 167.93 54.49 51.19 77.39 72.70 -4.69 4.69
20:00 183.62 175.66 177.44 169.48 54.08 51.66 76.81 73.37 -3.44 3.44
21:00 185.79 179.29 179.61 173.11 54.74 52.76 77.75 74.94 -2.81 2.81
22:00 194.90 188.18 188.72 182.00 57.52 55.47 81.70 78.79 -2.91 2.91
23:00 206.86 195.64 200.68 189.46 61.17 57.75 86.87 82.02 -4.86 4.86
Mean: -2.85 3.15

Measured pressure are hourly averages of 1-minute sampling data; see Appendix D for 1-minute sampling data
Simulated pressure (psi) = [simulated total head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 6.18 ft
Difference (psi) = [measured pressure (psi) - simulated pressure (psi)]; ABS Diff = absolute value of difference


Hydrant H-16: Node 2733

Node 2733 - Test Hydrant H-16 -- March 24-25, 1998

Difference
(psi)

ABS Diff
(psi)
Time
(Hours)
Total Head (ft) Pressure Head (ft) Pressure Head (m) Pressure (psi)
simulated measured simulated measured simulated measured simulated measured
0:00 195.81 191.89 157.15 153.23 47.90 46.71 68.03 66.34 -1.70 1.70
1:00 198.63 204.87 148.87 166.21 45.38 50.66 64.45 71.95 7.51 7.51
2:00 232.85 215.54 183.09 176.88 55.81 53.91 79.26 76.57 -2.69 2.69
3:00 203.84 202.65 154.08 163.99 46.96 49.98 66.70 70.99 4.29 4.29
4:00 203.15 222.15 153.39 183.49 46.75 55.93 66.40 79.43 13.03 13.03
5:00 205.92 200.63 156.16 161.97 47.60 49.37 67.60 70.12 2.51 2.51
6:00 193.55 193.32 143.79 154.66 43.83 47.14 62.25 66.95 4.70 4.70
7:00 185.27 186.12 135.51 147.46 41.30 44.95 58.66 63.83 5.17 5.17
8:00 184.44 183.49 134.68 144.83 41.05 44.14 58.30 62.70 4.39 4.39
9:00 193.07 183.70 143.31 145.04 43.68 44.21 62.04 62.79 0.75 0.75
10:00 195.54 184.51 145.78 145.85 44.43 44.46 63.11 63.14 0.03 0.03
11:00 195.40 186.05 145.64 147.39 44.39 44.93 63.05 63.81 0.76 0.76
12:00 194.96 187.02 145.20 148.36 44.26 45.22 62.86 64.22 1.37 1.37
13:00 195.98 188.83 146.22 150.17 44.57 45.77 63.30 65.01 1.71 1.71
14:00 197.64 190.88 147.88 152.22 45.07 46.40 64.02 65.90 1.88 1.88
15:00 202.48 192.97 152.72 154.31 46.55 47.03 66.11 66.80 0.69 0.69
16:00 204.14 193.54 154.38 154.88 47.06 47.21 66.83 67.05 0.21 0.21
17:00 199.41 191.10 149.65 152.44 45.61 46.46 64.79 65.99 1.20 1.20
18:00 191.57 187.94 141.81 149.28 43.22 45.50 61.39 64.62 3.23 3.23
19:00 193.46 188.91 143.70 150.25 43.80 45.79 62.21 65.04 2.83 2.83
20:00 194.64 191.56 144.88 152.90 44.16 46.60 62.72 66.19 3.47 3.47
21:00 196.18 194.16 146.42 155.50 44.63 47.40 63.39 67.32 3.93 3.93
22:00 202.81 202.03 153.05 163.37 46.65 49.79 66.25 70.72 4.47 4.47
23:00 215.48 212.59 165.72 173.93 50.51 53.01 71.74 75.30 3.56 3.56
0:00 208.97 210.35 159.21 171.69 48.53 52.33 68.92 74.33 5.41 5.41
1:00 255.91 250.98 206.15 212.32 62.83 64.71 89.24 91.91 2.67 2.67
2:00 191.11 194.24 141.35 155.58 43.08 47.42 61.19 67.35 6.16 6.16
3:00 187.00 191.49 137.24 152.83 41.83 46.58 59.41 66.16 6.75 6.75
4:00 191.71 190.31 141.95 151.65 43.27 46.22 61.45 65.65 4.20 4.20
5:00 205.92 207.68 156.16 169.02 47.60 51.52 67.60 73.17 5.57 5.57
6:00 196.28 191.92 146.52 153.26 44.66 46.71 63.43 66.34 2.92 2.92
7:00 190.81 184.45 141.05 145.79 42.99 44.44 61.06 63.11 2.05 2.05
8:00 187.85 185.72 138.09 147.06 42.09 44.82 59.78 63.66 3.88 3.88
9:00 192.51 186.05 142.75 147.39 43.51 44.92 61.80 63.80 2.01 2.01
10:00 193.97 187.20 144.21 148.54 43.95 45.28 62.43 64.30 1.88 1.88
11:00 196.55 188.97 146.79 150.31 44.74 45.81 63.55 65.07 1.52 1.52
12:00 197.15 189.23 147.39 150.57 44.93 45.89 63.81 65.18 1.37 1.37
13:00 200.96 190.25 151.20 151.59 46.09 46.21 65.45 65.62 0.17 0.17
14:00 201.10 190.46 151.34 151.80 46.13 46.27 65.51 65.71 0.20 0.20
15:00 201.08 191.18 151.32 152.52 46.12 46.49 65.50 66.03 0.52 0.52
16:00 201.26 192.43 151.50 153.77 46.18 46.87 65.58 66.57 0.98 0.98
17:00 200.27 191.60 150.51 152.94 45.87 46.62 65.15 66.21 1.05 1.05
18:00 192.03 187.68 142.27 149.02 43.36 45.42 61.59 64.51 2.92 2.92
19:00 194.15 187.71 144.39 149.05 44.01 45.43 62.51 64.52 2.02 2.02
20:00 192.93 189.69 143.17 151.03 43.64 46.04 61.98 65.38 3.40 3.40
21:00 196.32 194.34 146.56 155.68 44.67 47.45 63.45 67.39 3.95 3.95
22:00 205.04 201.91 155.28 163.25 47.33 49.76 67.22 70.67 3.45 3.45
23:00 218.45 209.28 168.69 170.62 51.42 52.00 73.03 73.86 0.83 0.83
Mean: 2.78 2.96

Measured pressure are hourly averages of 1-minute sampling data; see Appendix D for 1-minute sampling data
Simulated pressure (psi) = [simulated total head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 38.66 ft
Difference (psi) = [measured pressure (psi) - simulated pressure (psi)]; ABS Diff = absolute value of difference


Hydrant H-17: Node 4551

Node 4551 - Test Hydrant H-17 -- March 24-25, 1998

Difference
(psi)

ABS Diff
(psi)
Time
(Hours)
Total Head (ft) Pressure Head (ft) Pressure Head (m) Pressure (psi)
simulated measured simulated measured simulated measured simulated measured
0:00 196.03 196.15 106.73 106.85 32.53 32.57 46.20 46.26 0.05 0.05
1:00 198.59 210.89 109.29 121.59 33.31 37.06 47.31 52.63 5.32 5.32
2:00 236.55 222.36 147.25 133.06 44.88 40.56 63.75 57.60 -6.15 6.15
3:00 203.67 206.74 114.37 117.44 34.86 35.79 49.51 50.84 1.33 1.33
4:00 203.35 227.32 114.05 138.02 34.76 42.07 49.37 59.75 10.38 10.38
5:00 206.46 207.86 117.16 118.56 35.71 36.14 50.72 51.32 0.61 0.61
6:00 202.61 208.42 113.31 119.12 34.54 36.31 49.05 51.57 2.52 2.52
7:00 195.34 202.13 106.04 112.83 32.32 34.39 45.90 48.85 2.94 2.94
8:00 194.32 198.63 105.02 109.33 32.01 33.32 45.46 47.33 1.86 1.86
9:00 201.85 197.91 112.55 108.61 34.30 33.10 48.72 47.02 -1.71 1.71
10:00 203.88 199.57 114.58 110.27 34.92 33.61 49.60 47.74 -1.86 1.86
11:00 203.42 200.06 114.12 110.76 34.78 33.76 49.40 47.95 -1.45 1.45
12:00 203.07 201.10 113.77 111.80 34.68 34.08 49.25 48.40 -0.85 0.85
13:00 203.99 202.40 114.69 113.10 34.96 34.47 49.65 48.96 -0.69 0.69
14:00 205.33 204.04 116.03 114.74 35.37 34.97 50.23 49.67 -0.56 0.56
15:00 209.48 205.48 120.18 116.18 36.63 35.41 52.03 50.30 -1.73 1.73
16:00 211.10 205.89 121.80 116.59 37.12 35.54 52.73 50.47 -2.25 2.25
17:00 207.13 203.81 117.83 114.51 35.91 34.90 51.01 49.57 -1.44 1.44
18:00 200.25 201.73 110.95 112.43 33.82 34.27 48.03 48.67 0.64 0.64
19:00 201.71 202.99 112.41 113.69 34.26 34.65 48.66 49.22 0.55 0.55
20:00 202.70 204.63 113.40 115.33 34.56 35.15 49.09 49.93 0.84 0.84
21:00 203.95 206.39 114.65 117.09 34.94 35.69 49.63 50.69 1.06 1.06
22:00 209.65 212.62 120.35 123.32 36.68 37.59 52.10 53.39 1.29 1.29
23:00 220.88 221.42 131.58 132.12 40.11 40.27 56.96 57.20 0.23 0.23
0:00 208.61 212.92 119.31 123.62 36.36 37.68 51.65 53.51 1.87 1.87
1:00 257.72 255.50 168.42 166.20 51.33 50.66 72.91 71.95 -0.96 0.96
2:00 191.81 198.37 102.51 109.07 31.24 33.24 44.38 47.21 2.84 2.84
3:00 187.63 195.37 98.33 106.07 29.97 32.33 42.57 45.92 3.35 3.35
4:00 192.25 194.53 102.95 105.23 31.38 32.08 44.57 45.56 0.99 0.99
5:00 213.82 219.72 124.52 130.42 37.95 39.75 53.91 56.46 2.55 2.55
6:00 204.66 206.90 115.36 117.60 35.16 35.84 49.94 50.91 0.97 0.97
7:00 199.93 199.77 110.63 110.47 33.72 33.67 47.89 47.82 -0.07 0.07
8:00 197.78 200.16 108.48 110.86 33.07 33.79 46.96 47.99 1.03 1.03
9:00 201.25 200.02 111.95 110.72 34.12 33.75 48.46 47.93 -0.53 0.53
10:00 202.38 201.02 113.08 111.72 34.47 34.05 48.95 48.36 -0.59 0.59
11:00 204.45 203.27 115.15 113.97 35.10 34.74 49.85 49.34 -0.51 0.51
12:00 205.08 203.10 115.78 113.80 35.29 34.69 50.12 49.26 -0.85 0.85
13:00 208.40 204.50 119.10 115.20 36.30 35.11 51.56 49.87 -1.69 1.69
14:00 208.52 205.26 119.22 115.96 36.34 35.34 51.61 50.20 -1.41 1.41
15:00 208.54 206.49 119.24 117.19 36.34 35.72 51.62 50.73 -0.89 0.89
16:00 208.79 206.32 119.49 117.02 36.42 35.67 51.73 50.66 -1.07 1.07
17:00 207.94 205.72 118.64 116.42 36.16 35.49 51.36 50.40 -0.96 0.96
18:00 200.42 202.25 111.12 112.95 33.87 34.43 48.10 48.90 0.80 0.80
19:00 202.01 202.19 112.71 112.89 34.35 34.41 48.79 48.87 0.08 0.08
20:00 200.83 203.40 111.53 114.10 33.99 34.78 48.28 49.39 1.11 1.11
21:00 204.06 207.13 114.76 117.83 34.98 35.91 49.68 51.01 1.33 1.33
22:00 211.63 213.37 122.33 124.07 37.29 37.82 52.96 53.71 0.75 0.75
23:00 223.42 219.10 134.12 129.80 40.88 39.56 58.06 56.19 -1.87 1.87
Mean: 0.36 1.61

Measured pressure are hourly averages of 1-minute sampling data; see Appendix D for 1-minute sampling data
Simulated pressure (psi) = [simulated total head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 89.30 ft
Difference (psi) = [measured pressure (psi) - simulated pressure (psi)]; ABS Diff = absolute value of difference


Hydrant H-18: Node 3822

Node 3822 - Test Hydrant H-18 -- March 24-25, 1998

Difference
(psi)

ABS Diff
(psi)
Time Total Head (ft) Pressure Head (ft) Pressure Head (m) Pressure (psi)
(Hours) simulated measured simulated measured simulated measured simulated measured
0:00 197.54 196.35 150.78 149.59 45.96 45.60 65.27 64.76 -0.52 0.52
1:00 199.62 208.27 152.86 161.51 46.59 49.23 66.17 69.92 3.74 3.74
2:00 228.98 218.79 182.22 172.03 55.54 52.44 78.88 74.47 -4.41 4.41
3:00 204.54 206.06 157.78 159.30 48.09 48.55 68.30 68.96 0.66 0.66
4:00 204.19 224.10 157.43 177.34 47.98 54.05 68.15 76.77 8.62 8.62
5:00 207.74 206.39 160.98 159.63 49.07 48.65 69.69 69.10 -0.59 0.59
6:00 201.54 204.99 154.78 158.23 47.18 48.23 67.00 68.50 1.49 1.49
7:00 194.68 198.28 147.92 151.52 45.09 46.18 64.04 65.59 1.56 1.56
8:00 193.60 195.28 146.84 148.52 44.76 45.27 63.57 64.29 0.73 0.73
9:00 200.36 195.46 153.60 148.70 46.82 45.32 66.49 64.37 -2.12 2.12
10:00 202.11 197.27 155.35 150.51 47.35 45.88 67.25 65.16 -2.10 2.10
11:00 201.38 198.00 154.62 151.24 47.13 46.10 66.93 65.47 -1.46 1.46
12:00 201.08 198.53 154.32 151.77 47.04 46.26 66.80 65.70 -1.10 1.10
13:00 201.86 200.18 155.10 153.42 47.27 46.76 67.14 66.42 -0.73 0.73
14:00 202.90 201.11 156.14 154.35 47.59 47.05 67.59 66.82 -0.77 0.77
15:00 206.34 203.08 159.58 156.32 48.64 47.65 69.08 67.67 -1.41 1.41
16:00 207.91 203.24 161.15 156.48 49.12 47.70 69.76 67.74 -2.02 2.02
17:00 204.86 201.46 158.10 154.70 48.19 47.15 68.44 66.97 -1.47 1.47
18:00 199.02 199.06 152.26 152.30 46.41 46.42 65.91 65.93 0.02 0.02
19:00 200.15 200.00 153.39 153.24 46.75 46.71 66.40 66.34 -0.07 0.07
20:00 200.89 201.72 154.13 154.96 46.98 47.23 66.72 67.08 0.36 0.36
21:00 201.84 203.43 155.08 156.67 47.27 47.75 67.13 67.82 0.69 0.69
22:00 206.45 208.48 159.69 161.72 48.67 49.29 69.13 70.01 0.88 0.88
23:00 216.19 216.57 169.43 169.81 51.64 51.76 73.35 73.51 0.16 0.16
0:00 208.67 211.89 161.91 165.13 49.35 50.33 70.09 71.49 1.40 1.40
1:00 249.98 249.78 203.22 203.02 61.94 61.88 87.97 87.89 -0.08 0.08
2:00 194.11 198.75 147.35 151.99 44.91 46.33 63.79 65.79 2.01 2.01
3:00 189.91 195.14 143.15 148.38 43.63 45.23 61.97 64.23 2.27 2.27
4:00 193.60 192.90 146.84 146.14 44.76 44.54 63.57 63.26 -0.30 0.30
5:00 210.47 191.90 163.71 145.14 49.90 44.24 70.87 62.83 -8.04 8.04
6:00 203.04 196.68 156.28 149.92 47.63 45.70 67.65 64.90 -2.75 2.75
7:00 198.79 196.54 152.03 149.78 46.34 45.65 65.81 64.84 -0.97 0.97
8:00 196.88 198.46 150.12 151.70 45.76 46.24 64.99 65.67 0.69 0.69
9:00 199.76 197.94 153.00 151.18 46.63 46.08 66.23 65.44 -0.79 0.79
10:00 200.66 199.55 153.90 152.79 46.91 46.57 66.62 66.14 -0.48 0.48
11:00 202.34 201.61 155.58 154.85 47.42 47.20 67.35 67.04 -0.32 0.32
12:00 202.99 201.34 156.23 154.58 47.62 47.11 67.63 66.92 -0.72 0.72
13:00 205.69 202.50 158.93 155.74 48.44 47.47 68.80 67.42 -1.38 1.38
14:00 205.94 203.06 159.18 156.30 48.52 47.64 68.91 67.66 -1.25 1.25
15:00 206.06 204.75 159.30 157.99 48.55 48.15 68.96 68.39 -0.57 0.57
16:00 206.38 204.09 159.62 157.33 48.65 47.95 69.10 68.11 -0.99 0.99
17:00 205.67 203.29 158.91 156.53 48.44 47.71 68.79 67.76 -1.03 1.03
18:00 198.93 199.52 152.17 152.76 46.38 46.56 65.87 66.13 0.25 0.25
19:00 200.22 199.21 153.46 152.45 46.78 46.47 66.43 66.00 -0.44 0.44
20:00 199.11 200.28 152.35 153.52 46.44 46.79 65.95 66.46 0.50 0.50
21:00 202.02 203.54 155.26 156.78 47.32 47.79 67.21 67.87 0.66 0.66
22:00 208.16 208.91 161.40 162.15 49.19 49.42 69.87 70.20 0.33 0.33
23:00 218.22 214.63 171.46 167.87 52.26 51.17 74.23 72.67 -1.56 1.56
Mean: -0.28 1.40

Measured pressure are hourly averages of 1-minute sampling data; see Appendix D for 1-minute sampling data
Simulated pressure (psi) = [simulated total head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 46.76 ft
Difference (psi) = [measured pressure (psi) - simulated pressure (psi)]; ABS Diff = absolute value of difference


Hydrant AH-19: Node 4312

Node 4312 - Test Hydrant AH-19 -- March 24-25, 1998

Difference
(psi)

ABS Diff
(psi)
Time
(Hours)
Total Head (ft) Pressure Head (ft) Pressure Head (m) Pressure (psi)
simulated measured simulated measured simulated measured simulated measured
0:00 200.36 198.20 128.58 126.42 39.19 38.53 55.66 54.73 -0.94 0.94
1:00 201.01 205.69 129.23 133.91 39.39 40.82 55.94 57.97 2.03 2.03
2:00 221.20 213.49 149.42 141.71 45.54 43.19 64.69 61.34 -3.34 3.34
3:00 205.51 206.09 133.73 134.31 40.76 40.94 57.89 58.14 0.25 0.25
4:00 205.16 219.35 133.38 147.57 40.66 44.98 57.74 63.88 6.14 6.14
5:00 208.51 206.89 136.73 135.11 41.68 41.18 59.19 58.49 -0.70 0.70
6:00 203.27 205.05 131.49 133.27 40.08 40.62 56.92 57.69 0.77 0.77
7:00 197.83 197.86 126.05 126.08 38.42 38.43 54.57 54.58 0.01 0.01
8:00 196.23 194.75 124.45 122.97 37.93 37.48 53.88 53.23 -0.64 0.64
9:00 200.53 193.45 128.75 121.67 39.24 37.08 55.73 52.67 -3.06 3.06
10:00 201.91 193.71 130.13 121.93 39.66 37.16 56.33 52.78 -3.55 3.55
11:00 201.13 193.56 129.35 121.78 39.42 37.12 55.99 52.72 -3.28 3.28
12:00 200.85 194.18 129.07 122.40 39.34 37.31 55.87 52.99 -2.89 2.89
13:00 201.47 195.46 129.69 123.68 39.53 37.70 56.14 53.54 -2.60 2.60
14:00 202.23 196.92 130.45 125.14 39.76 38.14 56.47 54.17 -2.30 2.30
15:00 204.63 198.48 132.85 126.70 40.49 38.62 57.51 54.85 -2.66 2.66
16:00 206.06 198.95 134.28 127.17 40.93 38.76 58.13 55.05 -3.08 3.08
17:00 204.38 198.68 132.60 126.90 40.42 38.68 57.40 54.93 -2.47 2.47
18:00 199.86 197.00 128.08 125.22 39.04 38.17 55.44 54.21 -1.24 1.24
19:00 200.39 198.38 128.61 126.60 39.20 38.59 55.67 54.81 -0.87 0.87
20:00 200.80 199.83 129.02 128.05 39.33 39.03 55.85 55.43 -0.42 0.42
21:00 201.50 201.50 129.72 129.72 39.54 39.54 56.15 56.16 0.00 0.00
22:00 204.68 205.70 132.90 133.92 40.51 40.82 57.53 57.97 0.44 0.44
23:00 212.11 212.54 140.33 140.76 42.77 42.90 60.75 60.94 0.19 0.19
0:00 208.37 209.97 136.59 138.19 41.63 42.12 59.13 59.82 0.69 0.69
1:00 235.63 237.28 163.85 165.50 49.94 50.44 70.93 71.64 0.71 0.71
2:00 200.00 201.98 128.22 130.20 39.08 39.69 55.50 56.37 0.86 0.86
3:00 195.82 198.65 124.04 126.87 37.81 38.67 53.70 54.92 1.23 1.23
4:00 197.25 196.91 125.47 125.13 38.24 38.14 54.32 54.17 -0.15 0.15
5:00 208.21 212.05 136.43 140.27 41.58 42.75 59.06 60.72 1.66 1.66
6:00 203.46 202.96 131.68 131.18 40.14 39.98 57.00 56.79 -0.21 0.21
7:00 199.95 196.33 128.17 124.55 39.07 37.96 55.48 53.92 -1.57 1.57
8:00 198.01 196.45 126.23 124.67 38.48 38.00 54.65 53.97 -0.67 0.67
9:00 199.86 194.14 128.08 122.36 39.04 37.29 55.44 52.97 -2.48 2.48
10:00 200.57 195.38 128.79 123.60 39.26 37.67 55.75 53.51 -2.25 2.25
11:00 201.86 196.59 130.08 124.81 39.65 38.04 56.31 54.03 -2.29 2.29
12:00 202.49 196.72 130.71 124.94 39.84 38.08 56.58 54.09 -2.50 2.50
13:00 204.52 197.59 132.74 125.81 40.46 38.35 57.46 54.46 -3.00 3.00
14:00 205.10 197.88 133.32 126.10 40.63 38.43 57.71 54.59 -3.12 3.12
15:00 205.35 198.81 133.57 127.03 40.71 38.72 57.82 54.99 -2.83 2.83
16:00 205.74 199.34 133.96 127.56 40.83 38.88 57.99 55.22 -2.77 2.77
17:00 205.26 198.58 133.48 126.80 40.68 38.65 57.78 54.89 -2.89 2.89
18:00 200.11 196.79 128.33 125.01 39.12 38.10 55.55 54.12 -1.44 1.44
19:00 200.69 197.23 128.91 125.45 39.29 38.24 55.80 54.31 -1.50 1.50
20:00 199.65 198.20 127.87 126.42 38.97 38.53 55.35 54.73 -0.63 0.63
21:00 201.75 201.09 129.97 129.31 39.61 39.41 56.26 55.98 -0.28 0.28
22:00 205.97 205.88 134.19 134.10 40.90 40.87 58.09 58.05 -0.04 0.04
23:00 213.75 210.62 141.97 138.84 43.27 42.32 61.46 60.10 -1.36 1.36
Mean: -1.06 1.69

Measured pressure are hourly averages of 1-minute sampling data; see Appendix D for 1-minute sampling data
Simulated pressure (psi) = [simulated total head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 71.78 ft
Difference (psi) = [measured pressure (psi) - simulated pressure (psi)]; ABS Diff = absolute value of difference


Hydrant H-20: Node 5336

Node 5336 - Test Hydrant H-20 -- March 24-25, 1998

Difference
(psi)

ABS Diff
(psi)
Time
(Hours)
Total Head (ft) Pressure Head (ft) Pressure Head (m) Pressure (psi)
simulated measured simulated measured simulated measured simulated measured
0:00 208.15 210.71 125.47 128.03 38.24 39.02 54.32 55.42 1.11 1.11
1:00 204.23 210.50 120.66 127.82 36.78 38.96 52.23 55.33 3.10 3.10
2:00 211.75 213.53 128.18 130.85 39.07 39.88 55.49 56.64 1.16 1.16
3:00 209.23 213.12 125.66 130.44 38.30 39.76 54.40 56.47 2.07 2.07
4:00 209.00 218.81 125.43 136.13 38.23 41.49 54.30 58.93 4.63 4.63
5:00 212.10 216.33 128.53 133.65 39.17 40.74 55.64 57.86 2.22 2.22
6:00 209.95 214.68 126.38 132.00 38.52 40.24 54.71 57.14 2.44 2.44
7:00 207.94 209.99 124.37 127.31 37.91 38.80 53.84 55.11 1.27 1.27
8:00 205.24 205.33 121.67 122.65 37.09 37.38 52.67 53.09 0.42 0.42
9:00 203.44 201.82 119.87 119.14 36.54 36.31 51.89 51.58 -0.32 0.32
10:00 203.30 199.64 119.73 116.96 36.49 35.65 51.83 50.63 -1.20 1.20
11:00 202.59 199.58 119.02 116.90 36.28 35.63 51.52 50.61 -0.92 0.92
12:00 202.20 199.18 118.63 116.50 36.16 35.51 51.35 50.43 -0.92 0.92
13:00 202.73 200.09 119.16 117.41 36.32 35.79 51.58 50.83 -0.76 0.76
14:00 203.19 201.24 119.62 118.56 36.46 36.14 51.78 51.33 -0.46 0.46
15:00 204.39 202.87 120.82 120.19 36.83 36.63 52.30 52.03 -0.27 0.27
16:00 205.68 204.61 122.11 121.93 37.22 37.16 52.86 52.78 -0.08 0.08
17:00 205.31 205.41 121.74 122.73 37.11 37.41 52.70 53.13 0.43 0.43
18:00 204.50 205.66 120.93 122.98 36.86 37.49 52.35 53.24 0.89 0.89
19:00 203.14 205.99 119.57 123.31 36.45 37.59 51.76 53.38 1.62 1.62
20:00 202.73 206.78 119.16 124.10 36.32 37.83 51.58 53.72 2.14 2.14
21:00 202.63 207.87 119.06 125.19 36.29 38.16 51.54 54.19 2.65 2.65
22:00 204.36 210.34 120.79 127.66 36.82 38.91 52.29 55.26 2.97 2.97
23:00 208.56 214.47 124.99 131.79 38.10 40.17 54.11 57.05 2.94 2.94
0:00 209.53 215.20 125.96 132.52 38.39 40.39 54.53 57.37 2.84 2.84
1:00 212.74 225.58 129.17 142.90 39.37 43.56 55.92 61.86 5.94 5.94
2:00 210.69 215.42 127.12 132.74 38.75 40.46 55.03 57.46 2.44 2.44
3:00 206.63 212.60 123.06 129.92 37.51 39.60 53.27 56.24 2.97 2.97
4:00 204.02 210.17 120.45 127.49 36.71 38.86 52.14 55.19 3.05 3.05
5:00 207.06 215.33 123.49 132.65 37.64 40.43 53.46 57.42 3.96 3.96
6:00 206.74 212.77 123.17 130.09 37.54 39.65 53.32 56.32 2.99 2.99
7:00 205.45 207.76 121.88 125.08 37.15 38.12 52.76 54.15 1.39 1.39
8:00 203.51 203.59 119.94 120.91 36.56 36.85 51.92 52.34 0.42 0.42
9:00 202.26 200.18 118.69 117.50 36.18 35.81 51.38 50.86 -0.52 0.52
10:00 202.10 199.39 118.53 116.71 36.13 35.57 51.31 50.52 -0.79 0.79
11:00 202.80 200.30 119.23 117.62 36.34 35.85 51.61 50.92 -0.70 0.70
12:00 203.30 201.41 119.73 118.73 36.49 36.19 51.83 51.40 -0.43 0.43
13:00 205.01 202.84 121.44 120.16 37.02 36.63 52.57 52.02 -0.55 0.55
14:00 206.07 204.26 122.50 121.58 37.34 37.06 53.03 52.63 -0.40 0.40
15:00 206.28 204.91 122.71 122.23 37.40 37.26 53.12 52.91 -0.21 0.21
16:00 206.74 205.98 123.17 123.30 37.54 37.58 53.32 53.38 0.06 0.06
17:00 206.19 207.53 122.62 124.85 37.37 38.06 53.08 54.05 0.97 0.97
18:00 205.24 207.12 121.67 124.44 37.09 37.93 52.67 53.87 1.20 1.20
19:00 204.11 207.07 120.54 124.39 36.74 37.91 52.18 53.85 1.67 1.67
20:00 203.23 206.65 119.66 123.97 36.47 37.79 51.80 53.67 1.87 1.87
21:00 203.07 207.56 119.50 124.88 36.42 38.06 51.73 54.06 2.33 2.33
22:00 205.13 210.26 121.56 127.58 37.05 38.89 52.62 55.23 2.61 2.61
23:00 209.74 213.28 126.17 130.60 38.46 39.81 54.62 56.54 1.92 1.92
Mean: 1.29 1.65

Measured pressure are hourly averages of 1-minute sampling data; see Appendix D for 1-minute sampling data
Simulated pressure (psi) = [simulated total head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 82.68 ft
Difference (psi) = [measured pressure (psi) - simulated pressure (psi)]; ABS Diff = absolute value of difference


Hydrant H-21: Node 4646

Node 4646 - Test Hydrant H-21 -- March 24-25, 1998

Difference
(psi)

ABS Diff
(psi)
Time
(Hours)
Total Head (ft) Pressure Head (ft) Pressure Head (m) Pressure (psi)
simulated measured simulated measured simulated measured simulated measured
0:00
195.92
-
124.68
-
38.00
-
53.98
-
-
-
1:00
198.21
-
126.97
-
38.70
-
54.97
-
-
-
2:00
222.12
-
150.88
-
45.99
-
65.31
-
-
-
3:00
202.92
-
131.68
-
40.14
-
57.00
-
-
-
4:00
203.86
-
132.62
-
40.42
-
57.41
-
-
-
5:00
208.04
-
136.80
-
41.70
-
59.22
-
-
-
6:00
198.79
-
127.55
-
38.88
-
55.21
-
-
-
7:00
193.46
-
122.22
-
37.25
-
52.91
-
-
-
8:00
192.26
-
121.02
-
36.89
-
52.39
-
-
-
9:00
198.65
-
127.41
-
38.83
-
55.15
-
-
-
10:00
201.49
189.41
130.25
118.17
39.70
36.02
56.38
51.16
-5.23
5.23
11:00
199.66
190.10
128.42
118.86
39.14
36.23
55.59
51.45
-4.14
4.14
12:00
199.39
191.11
128.15
119.87
39.06
36.54
55.47
51.89
-3.58
3.58
13:00
200.10
192.59
128.86
121.35
39.28
36.99
55.78
52.53
-3.25
3.25
14:00
201.12
193.61
129.88
122.37
39.59
37.30
56.22
52.98
-3.25
3.25
15:00
204.23
195.50
132.99
124.26
40.54
37.87
57.57
53.79
-3.78
3.78
16:00
205.73
195.28
134.49
124.04
40.99
37.81
58.22
53.70
-4.52
4.52
17:00
203.15
193.71
131.91
122.47
40.21
37.33
57.10
53.02
-4.08
4.08
18:00
197.54
191.42
126.30
120.18
38.50
36.63
54.68
52.03
-2.65
2.65
19:00
198.62
191.98
127.38
120.74
38.83
36.80
55.14
52.27
-2.87
2.87
20:00
199.29
193.25
128.05
122.01
39.03
37.19
55.43
52.82
-2.61
2.61
21:00
200.17
194.61
128.93
123.37
39.30
37.60
55.81
53.41
-2.41
2.41
22:00
204.35
199.52
133.11
128.28
40.57
39.10
57.62
55.53
-2.09
2.09
23:00
212.89
206.97
141.65
135.73
43.17
41.37
61.32
58.76
-2.56
2.56
0:00
207.83
203.62
136.59
132.38
41.63
40.35
59.13
57.31
-1.82
1.82
1:00
246.19
239.46
174.95
168.22
53.32
51.27
75.73
72.82
-2.91
2.91
2:00
194.68
191.81
123.44
120.57
37.62
36.75
53.44
52.19
-1.24
1.24
3:00
190.46
188.83
119.22
117.59
36.34
35.84
51.61
50.90
-0.70
0.70
4:00
193.99
187.26
122.75
116.02
37.41
35.36
53.14
50.22
-2.91
2.91
5:00
208.16
205.29
136.92
134.05
41.73
40.86
59.27
58.03
-1.24
1.24
6:00
201.53
194.52
130.29
123.28
39.71
37.58
56.40
53.37
-3.03
3.03
7:00
197.26
189.47
126.02
118.23
38.41
36.04
54.56
51.18
-3.37
3.37
8:00
196.69
191.97
125.45
120.73
38.24
36.80
54.31
52.26
-2.04
2.04
9:00
199.36
191.67
128.12
120.43
39.05
36.71
55.46
52.13
-3.33
3.33
10:00
200.15
192.77
128.91
121.53
39.29
37.04
55.80
52.61
-3.20
3.20
11:00
201.62
194.51
130.38
123.27
39.74
37.57
56.44
53.36
-3.08
3.08
12:00
202.27
193.96
131.03
122.72
39.94
37.40
56.72
53.13
-3.60
3.60
13:00
203.72
194.26
132.48
123.02
40.38
37.50
57.35
53.26
-4.10
4.10
14:00
204.09
195.25
132.85
124.01
40.49
37.80
57.51
53.68
-3.83
3.83
15:00
204.30
196.46
133.06
125.22
40.56
38.17
57.60
54.21
-3.39
3.39
16:00
204.62
196.49
133.38
125.25
40.66
38.18
57.74
54.22
-3.52
3.52
17:00
203.98
195.33
132.74
124.09
40.46
37.82
57.46
53.72
-3.74
3.74
18:00
197.79
191.47
126.55
120.23
38.57
36.65
54.79
52.05
-2.74
2.74
19:00
198.97
191.09
127.73
119.85
38.93
36.53
55.29
51.88
-3.41
3.41
20:00
197.86
192.11
126.62
120.87
38.59
36.84
54.82
52.32
-2.49
2.49
21:00
200.38
195.10
129.14
123.86
39.36
37.75
55.90
53.62
-2.29
2.29
22:00
205.82
199.81
134.58
128.57
41.02
39.19
58.26
55.66
-2.61
2.61
23:00
213.37
204.50
142.13
133.26
43.32
40.62
61.53
57.69
-3.84
3.84
Mean: -3.06 3.04

Measured pressure are hourly averages of 1-minute sampling data; see Appendix D for 1-minute sampling data
-, data missing
Simulated pressure (psi) = [simulated total head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 71.24 ft
Difference (psi) = [measured pressure (psi) - simulated pressure (psi)]; ABS Diff = absolute value of difference


Hydrant AH-22: Node 8932

Node 8932 - Test Hydrant AH-22 -- March 24-25, 1998

Difference
(psi)

ABS Diff
(psi)
Time
(Hours)
Total Head (ft) Pressure Head (ft) Pressure Head (m) Pressure (psi)
simulated measured simulated measured simulated measured simulated measured
0:00 177.25 174.03 163.08 159.86 49.71 48.73 70.60 69.21 -1.39 1.39
1:00 181.69 181.04 167.52 166.87 51.06 50.86 72.52 72.24 -0.28 0.28
2:00 197.38 188.77 183.21 174.60 55.84 53.22 79.31 75.58 -3.73 3.73
3:00 186.37 189.29 172.20 175.12 52.49 53.38 74.55 75.81 1.26 1.26
4:00 200.98 210.70 186.81 196.53 56.94 59.90 80.87 85.08 4.21 4.21
5:00 208.73 191.87 194.56 177.70 59.30 54.16 84.23 76.93 -7.30 7.30
6:00 167.45 180.08 153.28 165.91 46.72 50.57 66.35 71.82 5.47 5.47
7:00 175.52 174.24 161.35 160.07 49.18 48.79 69.85 69.30 -0.55 0.55
8:00 174.21 173.38 160.04 159.21 48.78 48.53 69.28 68.92 -0.36 0.36
9:00 182.72 175.09 168.55 160.92 51.38 49.05 72.97 69.66 -3.31 3.31
10:00 196.52 177.38 182.35 163.21 55.58 49.75 78.94 70.65 -8.29 8.29
11:00 185.52 176.16 171.35 161.99 52.23 49.38 74.18 70.13 -4.05 4.05
12:00 185.22 176.96 171.05 162.79 52.13 49.62 74.05 70.47 -3.57 3.57
13:00 186.19 178.31 172.02 164.14 52.43 50.03 74.47 71.06 -3.41 3.41
14:00 187.85 180.60 173.68 166.43 52.94 50.73 75.18 72.05 -3.14 3.14
15:00 192.21 182.38 178.04 168.21 54.27 51.27 77.07 72.82 -4.25 4.25
16:00 193.82 182.59 179.65 168.42 54.76 51.33 77.77 72.91 -4.86 4.86
17:00 189.79 180.49 175.62 166.32 53.53 50.69 76.02 72.00 -4.02 4.02
18:00 182.19 176.29 168.02 162.12 51.21 49.41 72.74 70.18 -2.56 2.56
19:00 184.11 176.36 169.94 162.19 51.80 49.44 73.57 70.21 -3.35 3.35
20:00 185.12 177.85 170.95 163.68 52.11 49.89 74.01 70.86 -3.15 3.15
21:00 186.67 180.47 172.50 166.30 52.58 50.69 74.68 71.99 -2.69 2.69
22:00 192.95 187.47 178.78 173.30 54.49 52.82 77.39 75.02 -2.37 2.37
23:00 203.56 197.53 189.39 183.36 57.73 55.89 81.99 79.38 -2.61 2.61
0:00 205.18 199.39 191.01 185.22 58.22 56.46 82.69 80.18 -2.50 2.50
1:00 240.07 239.16 225.90 224.99 68.85 68.58 97.79 97.40 -0.39 0.39
2:00 192.25 191.31 178.08 177.14 54.28 53.99 77.09 76.68 -0.41 0.41
3:00 187.96 188.67 173.79 174.50 52.97 53.19 75.23 75.54 0.31 0.31
4:00 192.83 187.02 178.66 172.85 54.46 52.68 77.34 74.83 -2.52 2.52
5:00 198.49 194.69 184.32 180.52 56.18 55.02 79.79 78.15 -1.64 1.64
6:00 186.69 178.25 172.52 164.08 52.59 50.01 74.69 71.03 -3.66 3.66
7:00 180.74 175.38 166.57 161.21 50.77 49.14 72.11 69.79 -2.32 2.32
8:00 191.22 184.25 177.05 170.08 53.96 51.84 76.64 73.63 -3.02 3.02
9:00 194.35 184.76 180.18 170.59 54.92 52.00 78.00 73.85 -4.15 4.15
10:00 195.28 184.11 181.11 169.94 55.20 51.80 78.40 73.57 -4.83 4.83
11:00 196.80 186.58 182.63 172.41 55.67 52.55 79.06 74.64 -4.42 4.42
12:00 197.38 180.99 183.21 166.82 55.84 50.85 79.31 72.22 -7.09 7.09
13:00 190.69 182.02 176.52 167.85 53.80 51.16 76.41 72.66 -3.75 3.75
14:00 191.19 182.93 177.02 168.76 53.96 51.44 76.63 73.06 -3.58 3.58
15:00 191.56 184.00 177.39 169.83 54.07 51.76 76.79 73.52 -3.27 3.27
16:00 191.63 182.86 177.46 168.69 54.09 51.42 76.82 73.03 -3.80 3.80
17:00 190.59 182.10 176.42 167.93 53.77 51.19 76.37 72.70 -3.68 3.68
18:00 184.11 176.96 169.94 162.79 51.80 49.62 73.57 70.47 -3.09 3.09
19:00 186.16 175.45 171.99 161.28 52.42 49.16 74.46 69.82 -4.64 4.64
20:00 184.85 177.05 170.68 162.88 52.02 49.65 73.89 70.51 -3.38 3.38
21:00 186.81 180.14 172.64 165.97 52.62 50.59 74.74 71.85 -2.89 2.89
22:00 194.86 187.84 180.69 173.67 55.08 52.93 78.22 75.18 -3.04 3.04
23:00 186.90 189.36 172.73 175.19 52.65 53.40 74.78 75.84 1.06 1.06
Mean: -2.69 3.20

Measured pressure are hourly averages of 1-minute sampling data; see Appendix D for 1-minute sampling data
Simulated pressure (psi) = [simulated total head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 14.17 ft
Difference (psi) = [measured pressure (psi) - simulated pressure (psi)]; ABS Diff = absolute value of difference


Hydrant H-23: Node 8711

Node 8711 - Test Hydrant H-23 -- March 24-25, 1998

Difference
(psi)

ABS Diff
(psi)
Time
(Hours)
Total Head (ft) Pressure Head (ft) Pressure Head (m) Pressure (psi)
simulated measured simulated measured simulated measured simulated measured
0:00 186.92 184.00 176.42 173.50 53.77 52.88 76.37 75.11 -1.26 1.26
1:00 190.43 191.24 179.93 180.74 54.84 55.09 77.89 78.24 0.35 0.35
2:00 212.28 199.23 201.78 188.73 61.50 57.52 87.35 81.70 -5.65 5.65
3:00 195.46 196.02 184.96 185.52 56.38 56.55 80.07 80.31 0.24 0.24
4:00 200.68 217.21 190.18 206.71 57.97 63.00 82.33 89.48 7.16 7.16
5:00 204.39 193.55 193.89 183.05 59.10 55.79 83.94 79.24 -4.69 4.69
6:00 177.23 180.78 166.73 170.28 50.82 51.90 72.18 73.71 1.53 1.53
7:00 174.74 175.93 164.24 165.43 50.06 50.42 71.10 71.62 0.52 0.52
8:00 173.47 176.11 162.97 165.61 49.67 50.48 70.55 71.69 1.14 1.14
9:00 182.19 178.50 171.69 168.00 52.33 51.21 74.33 72.73 -1.60 1.60
10:00 188.38 179.99 177.88 169.49 54.22 51.66 77.00 73.37 -3.63 3.63
11:00 184.92 180.83 174.42 170.33 53.16 51.92 75.50 73.73 -1.77 1.77
12:00 184.59 182.30 174.09 171.80 53.06 52.36 75.36 74.37 -0.99 0.99
13:00 185.49 183.61 174.99 173.11 53.34 52.76 75.75 74.94 -0.81 0.81
14:00 187.20 185.52 176.70 175.02 53.86 53.35 76.49 75.77 -0.73 0.73
15:00 191.79 187.56 181.29 177.06 55.26 53.97 78.48 76.65 -1.83 1.83
16:00 193.45 187.25 182.95 176.75 55.76 53.87 79.20 76.51 -2.69 2.69
17:00 189.35 184.26 178.85 173.76 54.51 52.96 77.42 75.22 -2.20 2.20
18:00 181.59 178.78 171.09 168.28 52.15 51.29 74.07 72.85 -1.22 1.22
19:00 183.53 177.33 173.03 166.83 52.74 50.85 74.91 72.22 -2.69 2.69
20:00 184.52 178.84 174.02 168.34 53.04 51.31 75.33 72.88 -2.46 2.46
21:00 185.98 181.23 175.48 170.73 53.49 52.04 75.96 73.91 -2.06 2.06
22:00 192.53 189.02 182.03 178.52 55.48 54.41 78.80 77.28 -1.52 1.52
23:00 204.05 199.84 193.55 189.34 58.99 57.71 83.79 81.96 -1.82 1.82
0:00 205.15 202.12 194.65 191.62 59.33 58.40 84.27 82.95 -1.32 1.32
1:00 242.38 247.18 231.88 236.68 70.68 72.14 100.38 102.46 2.08 2.08
2:00 191.08 193.53 180.58 183.03 55.04 55.79 78.17 79.23 1.06 1.06
3:00 186.88 190.09 176.38 179.59 53.76 54.74 76.35 77.75 1.39 1.39
4:00 192.35 188.22 181.85 177.72 55.43 54.17 78.72 76.93 -1.79 1.79
5:00 198.30 196.18 187.80 185.68 57.24 56.60 81.30 80.38 -0.92 0.92
6:00 186.35 178.70 175.85 168.20 53.60 51.27 76.12 72.81 -3.31 3.31
7:00 180.21 174.78 169.71 164.28 51.73 50.07 73.47 71.12 -2.35 2.35
8:00 182.63 182.30 172.13 171.80 52.47 52.36 74.52 74.37 -0.14 0.14
9:00 186.53 183.85 176.03 173.35 53.65 52.84 76.20 75.04 -1.16 1.16
10:00 187.64 183.55 177.14 173.05 53.99 52.74 76.68 74.91 -1.77 1.77
11:00 189.23 185.75 178.73 175.25 54.48 53.42 77.37 75.86 -1.51 1.51
12:00 189.95 185.85 179.45 175.35 54.70 53.45 77.68 75.91 -1.78 1.78
13:00 190.15 187.47 179.65 176.97 54.76 53.94 77.77 76.61 -1.16 1.16
14:00 190.66 188.56 180.16 178.06 54.91 54.27 77.99 77.08 -0.91 0.91
15:00 191.01 189.85 180.51 179.35 55.02 54.67 78.14 77.64 -0.50 0.50
16:00 191.10 188.61 180.60 178.11 55.05 54.29 78.18 77.10 -1.08 1.08
17:00 190.15 186.34 179.65 175.84 54.76 53.60 77.77 76.12 -1.65 1.65
18:00 183.46 180.11 172.96 169.61 52.72 51.70 74.88 73.42 -1.45 1.45
19:00 185.56 178.26 175.06 167.76 53.36 51.13 75.78 72.63 -3.16 3.16
20:00 184.25 178.24 173.75 167.74 52.96 51.13 75.21 72.62 -2.60 2.60
21:00 186.12 181.24 175.62 170.74 53.53 52.04 76.02 73.91 -2.11 2.11
22:00 194.58 189.69 184.08 179.19 56.11 54.62 79.69 77.57 -2.12 2.12
23:00 198.95 194.90 188.45 184.40 57.44 56.20 81.58 79.82 -1.75 1.75
Mean: -1.22 1.87

Measured pressure are hourly averages of 1-minute sampling data; see Appendix D for 1-minute sampling data
Simulated pressure (psi) = [simulated total head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 10.50 ft
Difference (psi) = [measured pressure (psi) - simulated pressure (psi)]; ABS Diff = absolute value of difference


Hydrant H-24: Node 9000

Node 9000 - Test Hydrant H-24 -- March 24-25, 1998

Difference
(psi)

ABS Diff
(psi)
Time
(Hours)
Total Head (ft) Pressure Head (ft) Pressure Head (m) Pressure (psi)
simulated measured simulated measured simulated measured simulated measured
0:00 192.09 189.87 103.20 100.98 31.46 30.78 44.68 43.71 -0.96 0.96
1:00 194.47 197.34 105.58 108.45 32.18 33.06 45.70 46.95 1.25 1.25
2:00 219.27 205.23 130.38 116.34 39.74 35.46 56.44 50.36 -6.08 6.08
3:00 199.61 200.02 110.72 111.13 33.75 33.87 47.93 48.11 0.18 0.18
4:00 200.88 220.15 111.99 131.26 34.14 40.01 48.48 56.82 8.34 8.34
5:00 204.14 196.66 115.25 107.77 35.13 32.85 49.89 46.66 -3.23 3.23
6:00 185.86 187.69 96.97 98.80 29.56 30.11 41.98 42.77 0.79 0.79
7:00 179.61 182.67 90.72 93.78 27.65 28.58 39.27 40.60 1.33 1.33
8:00 178.17 180.42 89.28 91.53 27.21 27.90 38.65 39.62 0.97 0.97
9:00 185.51 180.29 96.62 91.40 29.45 27.86 41.83 39.57 -2.26 2.26
10:00 188.42 180.42 99.53 91.53 30.34 27.90 43.09 39.62 -3.46 3.46
11:00 187.06 181.00 98.17 92.11 29.92 28.07 42.50 39.87 -2.62 2.62
12:00 186.74 182.24 97.85 93.35 29.82 28.45 42.36 40.41 -1.95 1.95
13:00 187.22 183.25 98.33 94.36 29.97 28.76 42.57 40.85 -1.72 1.72
14:00 188.74 185.28 99.85 96.39 30.44 29.38 43.23 41.73 -1.50 1.50
15:00 193.04 186.93 104.15 98.04 31.74 29.88 45.08 42.44 -2.65 2.65
16:00 194.72 187.75 105.83 98.86 32.26 30.13 45.81 42.80 -3.02 3.02
17:00 191.54 186.12 102.65 97.23 31.29 29.63 44.44 42.09 -2.35 2.35
18:00 184.91 182.64 96.02 93.75 29.27 28.57 41.57 40.58 -0.98 0.98
19:00 186.25 181.69 97.36 92.80 29.68 28.29 42.15 40.17 -1.97 1.97
20:00 186.85 182.59 97.96 93.70 29.86 28.56 42.41 40.56 -1.84 1.84
21:00 187.64 184.67 98.75 95.78 30.10 29.19 42.75 41.46 -1.28 1.28
22:00 193.66 191.84 104.77 102.95 31.93 31.38 45.35 44.57 -0.79 0.79
23:00 205.52 202.41 116.63 113.52 35.55 34.60 50.49 49.14 -1.35 1.35
0:00 205.54 204.10 116.65 115.21 35.56 35.12 50.50 49.87 -0.63 0.63
1:00 245.42 248.09 156.53 159.20 47.71 48.52 67.76 68.92 1.16 1.16
2:00 190.96 194.57 102.07 105.68 31.11 32.21 44.19 45.75 1.56 1.56
3:00 186.78 191.91 97.89 103.02 29.84 31.40 42.38 44.60 2.22 2.22
4:00 192.25 189.79 103.36 100.90 31.50 30.75 44.75 43.68 -1.07 1.07
5:00 199.36 199.46 110.47 110.57 33.67 33.70 47.82 47.86 0.04 0.04
6:00 190.06 186.36 101.17 97.47 30.84 29.71 43.80 42.19 -1.60 1.60
7:00 184.41 180.51 95.52 91.62 29.11 27.93 41.35 39.66 -1.69 1.69
8:00 183.11 182.36 94.22 93.47 28.72 28.49 40.79 40.46 -0.33 0.33
9:00 186.81 182.94 97.92 94.05 29.84 28.67 42.39 40.71 -1.67 1.67
10:00 187.77 183.31 98.88 94.42 30.14 28.78 42.81 40.87 -1.93 1.93
11:00 189.27 184.58 100.38 95.69 30.60 29.17 43.46 41.42 -2.03 2.03
12:00 190.01 184.29 101.12 95.40 30.82 29.08 43.78 41.30 -2.48 2.48
13:00 191.74 185.28 102.85 96.39 31.35 29.38 44.53 41.73 -2.80 2.80
14:00 192.27 186.25 103.38 97.36 31.51 29.68 44.76 42.15 -2.61 2.61
15:00 192.67 187.34 103.78 98.45 31.63 30.01 44.93 42.62 -2.31 2.31
16:00 192.90 187.59 104.01 98.70 31.70 30.08 45.02 42.73 -2.30 2.30
17:00 192.41 187.04 103.52 98.15 31.55 29.92 44.82 42.49 -2.33 2.33
18:00 186.39 183.95 97.50 95.06 29.72 28.97 42.21 41.15 -1.06 1.06
19:00 187.89 182.49 99.00 93.60 30.18 28.53 42.86 40.52 -2.34 2.34
20:00 186.57 182.61 97.68 93.72 29.77 28.56 42.29 40.57 -1.72 1.72
21:00 187.91 184.94 99.02 96.05 30.18 29.28 42.87 41.58 -1.29 1.29
22:00 195.71 192.03 106.82 103.14 32.56 31.44 46.24 44.65 -1.60 1.60
23:00 205.24 198.95 116.35 110.06 35.46 33.55 50.37 47.64 -2.73 2.73
Mean: -1.22 1.97

Measured pressure are hourly averages of 1-minute sampling data; see Appendix D for 1-minute sampling data
Simulated pressure (psi) = [simulated total head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 88.89 ft
Difference (psi) = [measured pressure (psi) - simulated pressure (psi)]; ABS Diff = absolute value of difference


Hydrant H-25: Node 6004

Node 6004 - Test Hydrant H-25 -- March 24-25, 1998

Difference
(psi)
ABS Diff
(psi)
Time
(Hours)
Total Head (ft) Pressure Head (ft) Pressure Head (m) Pressure (psi)
simulated measured simulated measured simulated measured simulated measured
0:00 192.42 188.18 149.61 145.37 45.60 44.31 64.77 62.93 -1.84 1.84
1:00 195.49 197.81 152.68 155.00 46.54 47.24 66.09 67.10 1.01 1.01
2:00 224.43 207.72 181.62 164.91 55.36 50.26 78.62 71.39 -7.23 7.23
3:00 200.70 198.81 157.89 156.00 48.13 47.55 68.35 67.53 -0.82 0.82
4:00 201.26 219.21 158.45 176.40 48.29 53.77 68.59 76.36 7.77 7.77
5:00 204.09 195.37 161.28 152.56 49.16 46.50 69.82 66.04 -3.78 3.78
6:00 185.68 185.09 142.87 142.28 43.55 43.37 61.85 61.59 -0.26 0.26
7:00 178.62 180.46 135.81 137.65 41.39 41.96 58.79 59.59 0.80 0.80
8:00 177.42 179.86 134.61 137.05 41.03 41.77 58.27 59.33 1.06 1.06
9:00 185.75 180.36 142.94 137.55 43.57 41.93 61.88 59.55 -2.33 2.33
10:00 188.89 181.83 146.08 139.02 44.52 42.37 63.24 60.18 -3.05 3.05
11:00 187.92 182.39 145.11 139.58 44.23 42.54 62.82 60.42 -2.39 2.39
12:00 187.57 183.37 144.76 140.56 44.12 42.84 62.67 60.85 -1.82 1.82
13:00 188.31 184.96 145.50 142.15 44.35 43.33 62.99 61.54 -1.45 1.45
14:00 189.95 187.03 147.14 144.22 44.85 43.96 63.70 62.43 -1.26 1.26
15:00 194.56 189.04 151.75 146.23 46.25 44.57 65.69 63.30 -2.39 2.39
16:00 196.25 188.77 153.44 145.96 46.77 44.49 66.42 63.19 -3.24 3.24
17:00 192.30 186.22 149.49 143.41 45.57 43.71 64.72 62.08 -2.63 2.63
18:00 184.94 181.78 142.13 138.97 43.32 42.36 61.53 60.16 -1.37 1.37
19:00 186.67 180.68 143.86 137.87 43.85 42.02 62.28 59.69 -2.59 2.59
20:00 187.53 182.01 144.72 139.20 44.11 42.43 62.65 60.26 -2.39 2.39
21:00 188.70 184.56 145.89 141.75 44.47 43.21 63.16 61.36 -1.79 1.79
22:00 195.23 192.29 152.42 149.48 46.46 45.56 65.98 64.71 -1.27 1.27
23:00 207.90 203.74 165.09 160.93 50.32 49.05 71.47 69.67 -1.80 1.80
0:00 206.70 204.33 163.89 161.52 49.95 49.23 70.95 69.92 -1.03 1.03
1:00 250.13 248.48 207.32 205.67 63.19 62.69 89.75 89.04 -0.71 0.71
2:00 190.92 193.29 148.11 150.48 45.14 45.87 64.12 65.14 1.03 1.03
3:00 186.74 189.36 143.93 146.55 43.87 44.67 62.31 63.44 1.13 1.13
4:00 191.82 187.43 149.01 144.62 45.42 44.08 64.51 62.61 -1.90 1.90
5:00 200.43 199.37 157.62 156.56 48.04 47.72 68.23 67.77 -0.46 0.46
6:00 189.86 183.18 147.05 140.37 44.82 42.78 63.66 60.77 -2.89 2.89
7:00 183.97 178.04 141.16 135.23 43.03 41.22 61.11 58.54 -2.57 2.57
8:00 182.03 182.15 139.22 139.34 42.44 42.47 60.27 60.32 0.05 0.05
9:00 186.46 183.54 143.65 140.73 43.79 42.89 62.19 60.92 -1.27 1.27
10:00 187.85 184.70 145.04 141.89 44.21 43.25 62.79 61.42 -1.36 1.36
11:00 189.95 185.76 147.14 142.95 44.85 43.57 63.70 61.88 -1.81 1.81
12:00 190.64 187.01 147.83 144.20 45.06 43.95 64.00 62.43 -1.57 1.57
13:00 193.02 188.63 150.21 145.82 45.78 44.45 65.02 63.13 -1.90 1.90
14:00 193.46 189.84 150.65 147.03 45.92 44.82 65.21 63.65 -1.56 1.56
15:00 193.73 191.11 150.92 148.30 46.00 45.20 65.33 64.20 -1.14 1.14
16:00 193.89 190.08 151.08 147.27 46.05 44.89 65.40 63.75 -1.65 1.65
17:00 193.16 188.49 150.35 145.68 45.83 44.40 65.08 63.06 -2.02 2.02
18:00 186.37 183.03 143.56 140.22 43.76 42.74 62.15 60.70 -1.45 1.45
19:00 188.26 180.91 145.45 138.10 44.33 42.09 62.97 59.78 -3.18 3.18
20:00 186.97 181.38 144.16 138.57 43.94 42.24 62.41 59.99 -2.42 2.42
21:00 188.91 184.35 146.10 141.54 44.53 43.14 63.25 61.27 -1.97 1.97
22:00 197.43 192.78 154.62 149.97 47.13 45.71 66.93 64.92 -2.01 2.01
23:00 209.24 200.34 166.43 157.53 50.73 48.01 72.05 68.19 -3.85 3.85
Mean: -1.49 2.03

Measured pressure are hourly averages of 1-minute sampling data; see Appendix D for 1-minute sampling data
Simulated pressure (psi) = [simulated total head (ft) - elevation of land surface (ft)] / 2.31
Elevation of land surface = 42.81 ft
Difference (psi) = [measured pressure (psi) - simulated pressure (psi)]; ABS Diff = absolute value of difference

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