COLUMBIA - THE DALLES DAM
Forecasts For Water Year 2023
Official Water Supply
ESP with 10 days QPF
Ensemble: 2023-01-30 Issued: 2023-01-30
Forecast
Period
Forecasts Are in KAF Obs Runoff
(2023-01-30)
30 Year
Average
(1991-2020)
90 % 50 % %
Average
10 %
OCT 3313 5095
NOV 3412 5650
DEC 3650 5622
JAN 3988 3988 67 3988 3766* 5992
FEB 3661 4332 67 5884 6434
MAR 5285 7024 75 10947 9354
APR 8278 11242 77 13526 14620
MAY 16296 19948 73 25584 27376
JUN 15861 21229 82 27011 25768
JUL 9311 11362 80 16434 14169
AUG 5325 6469 89 8357 7262
SEP 3924 4680 94 6088 4970
Move the mouse over the desired "Forecast Table" to update graph.
* Partial Monthly Total
CSV
Download
 
COLUMBIA - THE DALLES DAM
Forecasts For Water Year 2023
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble: 2023-01-30 Issued: 2023-01-30
Forecast
Period
Forecasts Are in KAF Obs Runoff
(2023-01-30)
30 Year
Average
(1991-2020)
90 % 50 % %
Average
10 %
OCT 3313 5095
NOV 3412 5650
DEC 3650 5622
JAN 3988 3988 67 3988 3766* 5992
FEB 3815 4553 71 6408 6434
MAR 5511 7379 79 11289 9354
APR 8492 11512 79 14054 14620
MAY 17002 20850 76 27034 27376
JUN 16295 22066 86 27616 25768
JUL 9558 11678 82 16852 14169
AUG 5478 6717 92 8667 7262
SEP 3950 4757 96 6125 4970
Move the mouse over the desired "Forecast Table" to update graph.
* Partial Monthly Total
CSV
Download
 
COLUMBIA - THE DALLES DAM
Forecasts For Water Year 2023
Reference
ESP with 0 days QPF
Ensemble: 2023-01-30 Issued: 2023-01-30
Forecast
Period
Forecasts Are in KAF Obs Runoff
(2023-01-30)
30 Year
Average
(1991-2020)
90 % 50 % %
Average
10 %
OCT 3313 5095
NOV 3412 5650
DEC 3650 5622
JAN 3988 3990 67 4021 3766* 5992
FEB 3871 4847 75 6915 6434
MAR 5571 7453 80 11182 9354
APR 8472 11506 79 14093 14620
MAY 17172 20962 77 26800 27376
JUN 16392 21943 85 27744 25768
JUL 9477 11703 83 16810 14169
AUG 5507 6740 93 8637 7262
SEP 3945 4772 96 6104 4970
Move the mouse over the desired "Forecast Table" to update graph.
* Partial Monthly Total
CSV
Download