COLUMBIA - THE DALLES 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 3771 3771 74 3771 2355* 5095
NOV 4011 4673 83 6021 5650
DEC 4002 4706 84 6576 5622
JAN 4117 4935 82 6784 5992
FEB 3789 5158 80 7868 6434
MAR 5356 7875 84 11330 9354
APR 8162 12174 83 15704 14620
MAY 17060 23455 86 28325 27376
JUN 16596 24603 95 36635 25768
JUL 9788 13045 92 22481 14169
AUG 5564 6896 95 10568 7262
SEP 4018 5076 102 6746 4970
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* Partial Monthly Total
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COLUMBIA - THE DALLES 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 3686 3850 76 4161 2355* 5095
NOV 4056 5018 89 6454 5650
DEC 3987 4814 86 6805 5622
JAN 4034 5115 85 7058 5992
FEB 3752 5696 89 8413 6434
MAR 5448 7935 85 11240 9354
APR 8206 12288 84 16317 14620
MAY 17495 23795 87 29358 27376
JUN 16966 24648 96 36858 25768
JUL 10075 12792 90 22772 14169
AUG 5632 6845 94 10715 7262
SEP 4083 5213 105 6816 4970
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 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 3620 3723 73 3897 2355* 5095
NOV 3830 4710 83 6093 5650
DEC 3837 4598 82 6336 5622
JAN 3879 4868 81 6670 5992
FEB 3672 5328 83 8097 6434
MAR 5199 7381 79 10878 9354
APR 7956 11795 81 15536 14620
MAY 17050 23002 84 28648 27376
JUN 16301 24298 94 35412 25768
JUL 9869 12883 91 22273 14169
AUG 5623 6727 93 10563 7262
SEP 3974 5076 102 6716 4970
Move the mouse over the desired "Forecast Table" to update graph.
* Partial Monthly Total
CSV
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