US Army Corps of Engineers

Ice Harbor Dam

March 2024

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feet
1 8177 341 64 46.30 48.20 46.40 1.50 438.69 438.72 341.89 96.83
2 7099 296 64 42.50 41.70 40.00 1.50 438.87 438.58 341.21 97.37
3 5521 230 65 32.30 32.40 30.60 1.50 438.83 438.62 340.06 98.56
4 6902 288 65 42.50 40.20 38.40 1.50 439.37 439.16 340.98 98.18
5 7077 295 62 40.50 41.30 39.40 1.50 439.19 438.99 341.07 97.92
6 5892 246 64 34.40 34.30 32.60 1.40 439.21 438.88 340.48 98.40
7 6324 263 64 36.00 37.00 35.20 1.50 438.96 438.63 340.75 97.88
8 6403 267 64 37.50 37.70 35.70 1.60 438.90 438.76 340.80 97.96
9 5022 209 64 30.30 29.50 27.70 1.50 439.09 438.93 340.05 98.88
10 6034 251 61 37.00 36.80 34.90 1.60 439.32 439.15 340.80 98.35
11 6418 267 64 36.50 37.60 35.60 1.60 438.84 439.04 340.78 98.26
12 5218 217 63 30.60 30.70 28.90 1.50 438.69 438.91 340.49 98.42
13 5716 238 63 34.60 33.70 31.90 1.50 438.74 438.71 340.69 98.02
14 6143 256 63 37.20 36.00 34.20 1.50 439.18 438.74 340.62 98.12
15 6200 258 63 33.70 36.40 34.70 1.40 438.45 438.80 341.02 97.78
16 5452 227 62 32.50 32.10 30.40 1.40 438.86 438.41 340.62 97.79
17 5968 249 61 37.80 34.90 33.00 1.50 439.49 439.14 340.66 98.48
18 6628 276 62 37.20 38.80 36.90 1.60 439.02 439.33 341.14 98.19
19 7577 316 59 42.10 44.40 42.50 1.50 438.35 438.67 341.50 97.17
20 7071 295 58 42.50 41.40 39.50 1.50 438.73 438.76 341.08 97.68
21 6258 261 58 45.20 44.30 34.80 9.00 438.87 438.79 340.73 98.06
22 7852 327 58 53.10 53.80 44.10 9.20 438.75 438.92 341.72 97.20
23 6637 277 58 47.20 46.70 37.10 9.10 439.24 438.90 341.25 97.65
24 6462 269 58 45.40 45.60 35.90 9.20 439.14 438.95 341.06 97.89
25 6421 268 59 45.70 45.60 35.90 9.10 438.90 438.91 341.21 97.70
26 5646 235 59 40.90 41.20 31.60 9.10 439.03 438.86 340.74 98.12
27 6661 278 60 48.30 47.40 37.70 9.20 439.26 438.98 341.38 97.60
28 7115 296 60 50.40 50.20 40.20 9.50 439.26 439.20 341.75 97.45
29 7560 315 59 51.70 52.60 42.80 9.20 439.06 438.99 341.94 97.05
30 7830 326 59 52.70 54.20 44.40 9.20 438.87 438.97 342.03 96.94
31 6936 289 59 48.50 48.80 39.40 8.70 438.90 438.44 341.43 97.01
TOT202221  1902        
AVG 6523 272 61 41.07 41.15 36.53 4.21 438.97 438.87 341.03 97.84
MAX 8177   53.10 54.20 46.40 9.50 439.49 439.33 342.03 98.88
MIN 5022   30.30 29.50 27.70 1.40 438.35 438.41 340.05 96.83