Grand Coulee Dam

May 2017

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feetBanks Lake Pump kcfsBanks Lake Pump MWhBanks Lake Elev
1 79549 3315 72 181.80 164.60 164.60 0.00 1232.90 1232.71 966.93 265.78 5.92 4655 1569.35
2 80819 3367 56 180.10 169.60 164.40 5.20 1233.00 1233.02 967.83 265.19 5.40 4196 1569.35
3 83301 3471 47 176.70 182.60 169.90 12.70 1232.60 1232.83 969.12 263.71 5.40 4194 1569.30
4 81620 3401 47 174.20 175.90 166.90 9.40 1232.40 1232.43 968.85 263.58 5.40 4180 1569.21
5 81541 3398 45 186.90 170.90 165.80 5.20 1232.70 1232.50 968.33 264.17 6.10 4724 1569.19
6 80370 3349 42 218.50 182.10 163.40 18.70 1233.70 1233.23 968.96 264.27 7.97 6127 1569.30
7 83214 3467 35 236.80 200.00 170.00 30.00 1234.30 1233.94 971.03 262.91 8.00 6139 1569.44
8 82032 3418 39 206.90 196.50 166.70 29.80 1234.90 1234.66 970.45 264.21 6.05 4696 1569.40
9 78768 3282 40 211.00 206.70 162.10 44.70 1234.80 1234.85 971.72 263.13 5.72 4459 1569.37
10 89283 3720 44 209.30 208.90 183.20 25.70 1234.60 1234.67 972.05 262.62 6.08 4707 1569.30
11 88016 3667 48 218.30 182.50 180.10 2.40 1235.60 1234.96 969.22 265.74 6.83 5276 1569.33
12 88015 3667 48 233.60 177.60 177.60 0.00 1237.30 1236.47 968.40 268.07 6.19 4730 1569.23
13 90552 3773 48 245.20 184.90 181.60 3.30 1239.10 1238.25 969.19 269.06 6.83 5176 1569.30
14 92010 3834 48 241.30 198.30 183.80 14.50 1240.30 1239.77 970.49 269.28 6.90 5197 1569.30
15 85688 3570 48 240.10 218.20 169.50 48.70 1240.90 1240.64 972.45 268.19 2.20 1648 1568.86
16 83994 3500 48 237.80 230.20 169.20 61.00 1241.10 1241.06 973.79 267.27 4.56 3379 1568.79
17 84921 3538 72 234.80 235.70 171.00 64.70 1240.90 1241.01 973.97 267.04 3.66 2686 1568.55
18 89238 3718 121 238.50 230.70 179.20 51.60 1241.10 1240.92 973.64 267.28 3.19 2367 1568.33
19 99542 4148 116 237.00 224.20 200.00 24.20 1241.20 1241.16 973.24 267.92 6.70 4974 1568.32
20 98114 4088 110 239.10 226.20 197.20 28.90 1241.30 1241.25 973.15 268.10 12.90 9634 1568.79
21 99344 4139 112 248.30 226.30 199.60 26.70 1241.50 1241.39 973.55 267.84 12.90 9625 1569.28
22 88080 3670 118 245.20 204.20 174.40 29.80 1242.80 1242.18 971.42 270.76 2.64 1943 1569.00
23 87965 3665 121 255.40 192.60 172.90 19.80 1244.70 1243.81 970.17 273.64 4.03 2972 1568.95
24 89525 3730 113 272.30 186.10 174.50 11.50 1247.30 1246.04 969.47 276.57 4.60 3372 1568.58
25 95879 3995 114 261.50 193.60 185.30 8.30 1249.30 1248.43 969.93 278.50 4.08 2973 1568.37
26 99330 4139 114 256.70 197.40 190.90 6.40 1251.00 1250.21 970.33 279.88 4.47 3189 1568.13
27 96017 4001 111 251.80 200.70 184.10 16.60 1252.20 1251.64 970.53 281.11 13.60 9892 1568.67
28106245 4427 118 255.60 204.80 203.30 1.50 1253.40 1252.05 971.23 280.82 8.40 6123 1568.74
29105631 4401 123 261.90 200.70 200.70 0.00 1255.10 1254.28 970.93 283.35 7.92 5726 1568.86
30105060 4378 123 259.20 200.10 198.20 1.90 1256.70 1255.93 970.97 284.96 3.85 2792 1568.51
31 87589 3650 131 280.60 190.90 163.30 27.50 1259.30 1258.06 969.85 288.21 3.02 2120 1568.20
TOT2781252  2472           
AVG 89718 3738 80 232.14 198.83 178.50 20.35 1241.55 1241.11 970.68 270.42 6.18 4641 1568.95
MAX106245   280.60 235.70 203.30 64.70 1259.30 1258.06 973.97 288.21 13.60 9892 1569.44
MIN 78768   174.20 164.60 162.10 0.00 1232.40 1232.43 966.93 262.62 2.20 1648 1568.13