US Army Corps of Engineers

Priest Rapids Dam

Tuesday September 29, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 43.30 40.82 1.98 485.32 402.77 82.55
2 50.60 47.96 2.01 485.36 403.36 82.00
3 46.30 43.73 2.00 485.23 403.43 81.80
4 46.70 44.15 1.93 485.11 402.87 82.24
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
AVG 46.72 44.16 1.98 485.26 403.11 82.15
MAX 50.60 47.96 2.01 485.36 403.43 82.55
MIN 43.30 40.82 1.93 485.11 402.77 81.80