COLUMBIA - THE DALLES DAM
Forecasts For Water Year 2021
Official Water Supply
ESP with 10 days QPF
Ensemble: 2021-05-16 Issued: 2021-05-16
Forecast
Period		 Forecasts Are in KAF Obs Runoff
(2021-05-16)		 30 Year
Average
(1981-2010)
90 % 50 % %
Average		 10 %
OCT 5317 5080
NOV 5295 5612
DEC 4537 5610
JAN 5604 6011
FEB 4483 6392
MAR 6165 9110
APR 10060 13808
MAY 21608 22064 87 22605 9457* 25354
JUN 19204 21517 82 24320 26157
JUL 10788 12411 85 14706 14536
AUG 6094 7094 92 8166 7677
SEP 4471 5165 100 6337 5172
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* Partial Monthly Total
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COLUMBIA - THE DALLES DAM
Forecasts For Water Year 2021
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble: 2021-05-16 Issued: 2021-05-16
Forecast
Period		 Forecasts Are in KAF Obs Runoff
(2021-05-16)		 30 Year
Average
(1981-2010)
90 % 50 % %
Average		 10 %
OCT 5317 5080
NOV 5295 5612
DEC 4537 5610
JAN 5604 6011
FEB 4483 6392
MAR 6165 9110
APR 10060 13808
MAY 21884 22904 90 24773 9457* 25354
JUN 19087 22079 84 25292 26157
JUL 10372 12191 84 14565 14536
AUG 6074 7075 92 8077 7677
SEP 4424 5138 99 6390 5172
Move the mouse over the desired "Forecast Table" to update graph.
* Partial Monthly Total
CSV
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COLUMBIA - THE DALLES DAM
Forecasts For Water Year 2021
Reference
ESP with 0 days QPF
Ensemble: 2021-05-16 Issued: 2021-05-16
Forecast
Period		 Forecasts Are in KAF Obs Runoff
(2021-05-16)		 30 Year
Average
(1981-2010)
90 % 50 % %
Average		 10 %
OCT 5317 5080
NOV 5295 5612
DEC 4537 5610
JAN 5604 6011
FEB 4483 6392
MAR 6165 9110
APR 10060 13808
MAY 21580 23035 91 25647 9457* 25354
JUN 19288 22113 85 25475 26157
JUL 10224 12209 84 14548 14536
AUG 6044 7099 92 8132 7677
SEP 4389 5174 100 6418 5172
Move the mouse over the desired "Forecast Table" to update graph.
* Partial Monthly Total
CSV
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