US Army Corps of Engineers

Priest Rapids Dam

Wednesday December 17, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 138.30 138.04 0.00 487.12 412.27 74.84
2 130.90 130.58 0.00 487.17 411.49 75.68
3 125.20 124.93 0.00 487.11 411.69 75.42
4 101.70 98.19 3.20 487.42 410.54 76.88
5 119.20 110.30 8.64 487.16 410.60 76.55
6 120.90 120.58 0.00 487.00 410.35 76.65
7 111.10 110.78 0.00 487.38 410.65 76.73
8 136.50 136.22 0.00 487.43 411.47 75.96
9 140.20 124.90 15.00 487.48 412.53 74.95
10 177.40 120.13 57.00 487.57 414.58 72.99
11 191.90 136.03 55.59 487.38 415.32 72.07
12 176.60 152.94 23.33 487.37 414.44 72.93
13 174.90 154.70 19.95 487.17 414.66 72.51
14 158.50 148.38 9.82 487.27 412.68 74.60
15 133.60 133.30 0.00 487.21 412.36 74.84
16 147.70 147.44 0.00 487.09 412.99 74.10
17 150.50 150.17 0.00 487.22 413.31 73.91
18 151.00 150.69 0.00 487.33 413.28 74.05
19 149.20 148.91 0.00 487.39 413.23 74.16
20 153.50 153.18 0.00 487.38 413.25 74.12
21 151.10 150.77 0.00 487.41 413.42 73.99
22 153.30 152.99 0.00 487.46 413.50 73.96
23 154.60 154.33 0.00 487.49 413.54 73.96
24 154.70 154.44 0.00 487.56 413.50 74.05
AVG 145.94 137.62 8.02 487.31 412.74 74.58
MAX 191.90 154.70 57.00 487.57 415.32 76.88
MIN 101.70 98.19 0.00 487.00 410.35 72.07