US Army Corps of Engineers

Priest Rapids Dam

Tuesday September 22, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 42.10 39.48 2.06 484.89 402.46 82.42
2 42.00 39.42 2.03 484.69 402.48 82.21
3 41.80 39.29 1.97 484.59 402.49 82.10
4 41.80 39.38 1.90 484.41 402.49 81.91
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
AVG 41.92 39.40 1.99 484.64 402.48 82.16
MAX 42.10 39.48 2.06 484.89 402.49 82.42
MIN 41.80 39.29 1.90 484.41 402.46 81.91