SNAKE - LOWER GRANITE DAM
Forecasts For Water Year 2022
Official Water Supply
ESP with 10 days QPF
Ensemble: 2021-10-23 Issued: 2021-10-23
Forecast
Period		 Forecasts Are in KAF Obs Runoff
(2021-10-23)		 30 Year
Average
(1991-2020)
90 % 50 % %
Average		 10 %
OCT 1042 1042 77 1042 702* 1348
NOV 1094 1290 85 1810 1525
DEC 1170 1433 85 2119 1678
JAN 1212 1589 83 2564 1903
FEB 1189 1728 79 2874 2198
MAR 1900 2962 87 4644 3402
APR 2604 4262 89 6127 4771
MAY 4405 5895 80 8724 7339
JUN 2251 5332 93 9838 5715
JUL 1053 2016 95 4479 2122
AUG 870 1165 99 1727 1175
SEP 951 1119 101 1459 1111
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* Partial Monthly Total
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SNAKE - LOWER GRANITE DAM
Forecasts For Water Year 2022
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble: 2021-10-23 Issued: 2021-10-23
Forecast
Period		 Forecasts Are in KAF Obs Runoff
(2021-10-23)		 30 Year
Average
(1991-2020)
90 % 50 % %
Average		 10 %
OCT 1012 1040 77 1134 702* 1348
NOV 1109 1366 90 1865 1525
DEC 1235 1470 88 2119 1678
JAN 1184 1652 87 2574 1903
FEB 1196 1679 76 3095 2198
MAR 1919 2842 84 4431 3402
APR 2690 4283 90 6113 4771
MAY 4343 6020 82 8663 7339
JUN 2230 5225 91 9510 5715
JUL 1091 1960 92 4209 2122
AUG 889 1129 96 1744 1175
SEP 942 1124 101 1475 1111
Move the mouse over the desired "Forecast Table" to update graph.
* Partial Monthly Total
CSV
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SNAKE - LOWER GRANITE DAM
Forecasts For Water Year 2022
Reference
ESP with 0 days QPF
Ensemble: 2021-10-23 Issued: 2021-10-23
Forecast
Period		 Forecasts Are in KAF Obs Runoff
(2021-10-23)		 30 Year
Average
(1991-2020)
90 % 50 % %
Average		 10 %
OCT 997 1008 75 1050 702* 1348
NOV 1059 1258 83 1703 1525
DEC 1177 1388 83 2029 1678
JAN 1156 1627 85 2480 1903
FEB 1169 1590 72 2938 2198
MAR 1769 2903 85 4282 3402
APR 2597 4063 85 5943 4771
MAY 4054 5736 78 8453 7339
JUN 2109 5065 89 9256 5715
JUL 1006 1873 88 4168 2122
AUG 863 1095 93 1697 1175
SEP 912 1105 99 1462 1111
Move the mouse over the desired "Forecast Table" to update graph.
* Partial Monthly Total
CSV
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