US Army Corps of Engineers

Priest Rapids Dam

Sunday April 12, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 137.40 115.36 21.16 484.37 411.93 72.43
2 133.30 111.33 21.05 484.36 411.63 72.73
3 130.70 108.60 21.27 484.53 411.34 73.19
4 135.60 113.09 21.64 484.58 412.16 72.42
5 141.90 119.54 21.51 484.46 412.15 72.31
6 138.40 116.18 21.29 484.43 411.73 72.70
7 127.00 104.66 21.53 484.62 411.14 73.49
8 119.60 96.51 22.28 485.00 410.29 74.71
9 112.30 87.80 23.70 485.63 410.09 75.53
10 128.70 103.05 24.80 485.89 411.43 74.46
11 137.40 110.98 25.53 486.15 411.66 74.49
12 142.00 114.89 26.16 486.30 412.08 74.21
13 141.90 114.38 26.61 486.46 412.24 74.22
14 140.80 112.81 27.07 486.62 412.23 74.39
15 137.10 108.51 27.67 486.82 411.60 75.22
16 137.00 108.06 28.05 486.86 411.77 75.09
17 139.90 111.01 27.97 486.75 412.04 74.71
18 141.30 112.98 27.44 486.54 412.25 74.28
19 145.40 117.52 26.98 486.51 412.42 74.09
20 145.80 117.79 27.11 486.49 412.53 73.96
21 146.30 118.52 26.90 486.46 412.59 73.86
22 146.30 118.62 26.78 486.39 412.57 73.82
23 145.80 118.45 26.46 486.27 412.41 73.86
24 141.70 114.85 25.99 486.07 411.74 74.33
AVG 137.23 111.48 24.87 485.77 411.84 73.94
MAX 146.30 119.54 28.05 486.86 412.59 75.53
MIN 112.30 87.80 21.05 484.36 410.09 72.31
BUILDING STRONG®