US Army Corps of Engineers

Priest Rapids Dam

Saturday August 1, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 125.60 101.00 24.00 485.55 410.19 75.36
2 133.30 108.53 24.14 485.50 410.98 74.52
3 126.60 101.98 24.00 485.50 410.22 75.28
4 124.10 99.73 23.81 485.29 410.39 74.90
5 131.40 107.79 22.97 485.07 409.98 75.09
6 107.10 83.60 23.05 485.26 408.54 76.72
7 101.10 77.26 23.44 485.30 408.28 77.02
8 76.90 52.77 23.81 485.47 406.10 79.37
9 80.80 56.89 23.54 485.26 406.35 78.91
10 74.20 50.64 23.29 485.27 405.11 80.15
11 54.90 30.81 23.81 485.56 403.87 81.69
12 60.10 35.33 24.46 485.79 405.43 80.36
13 87.50 62.10 24.82 485.77 407.20 78.58
14 86.60 61.62 24.64 485.67 406.69 78.98
15 92.90 68.56 24.00 485.33 407.35 77.99
16 89.80 66.11 23.37 485.19 407.35 77.83
17 102.10 78.85 22.83 485.00 408.10 76.90
18 103.50 80.12 22.91 485.21 408.50 76.71
19 117.70 93.87 23.38 485.26 410.03 75.23
20 139.30 115.64 23.05 485.05 410.89 74.16
21 129.50 106.28 22.58 484.92 409.88 75.04
22 120.90 98.06 22.32 484.78 409.91 74.87
23 126.10 103.58 21.93 484.76 409.79 74.97
24 113.70 90.92 22.31 484.91 409.53 75.39
AVG 104.40 80.50 23.44 485.28 408.36 76.92
MAX 139.30 115.64 24.82 485.79 410.98 81.69
MIN 54.90 30.81 21.93 484.76 403.87 74.16