US Army Corps of Engineers

Priest Rapids Dam

Wednesday August 5, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 107.50 83.82 23.16 485.20 409.01 76.19
2 99.40 75.74 23.21 485.19 407.75 77.44
3 78.80 55.41 23.07 485.13 406.06 79.07
4 79.80 56.58 22.99 485.17 406.25 78.92
5 88.50 64.86 23.32 485.28 407.14 78.14
6 81.70 57.92 23.48 485.25 406.64 78.61
7 84.80 61.49 23.00 485.06 406.52 78.54
8 80.70 57.57 22.86 485.10 405.97 79.13
9 66.70 43.38 23.11 485.25 404.74 80.51
10 59.50 35.88 23.28 485.27 404.56 80.71
11 65.40 41.58 23.38 485.23 405.61 79.62
12 77.20 53.79 23.11 485.21 405.28 79.94
13 63.20 39.26 23.61 485.41 404.50 80.90
14 79.20 55.34 23.54 485.32 406.13 79.19
15 79.20 55.28 23.71 485.45 406.62 78.83
16 93.30 69.06 23.85 485.41 408.11 77.30
17 122.00 98.03 23.46 485.21 410.12 75.09
18 127.30 103.20 23.51 485.33 410.66 74.67
19 130.60 106.36 23.69 485.46 410.82 74.64
20 135.90 111.19 24.09 485.63 410.69 74.94
21 133.40 108.37 24.45 485.74 410.49 75.26
22 116.00 90.54 24.93 485.95 409.17 76.78
23 109.10 83.28 25.31 486.06 408.73 77.33
24 98.00 72.02 25.63 485.98 408.59 77.39
AVG 94.05 70.00 23.66 485.39 407.51 77.88
MAX 135.90 111.19 25.63 486.06 410.82 80.90
MIN 59.50 35.88 22.86 485.06 404.50 74.64
BUILDING STRONG®