MALHEUR - NEAR DREWSEY
Forecasts For Water Year 2026
Official Water Supply
ESP with 10 days QPF
Ensemble: 2026-09-03 Issued: 2026-09-03
Forecast
Period
Forecasts Are in KAF Obs Runoff
(2026-09-03)
30 Year
Average
(1991-2020)
90 % 50 % %
Average
10 %
OCT 3.7 3.2
NOV 4.4 4.2
DEC 6.1 6.0
JAN 5.3 8.5
FEB 8.6 11
MAR 9.9 32
APR 8.8 34
MAY 2.6 20
JUN 0.8 7.6
JUL 0.4 1.8
AUG 0.1 0.4
SEP 0.1 0.1 10 0.3 0* 0.9
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* Partial Monthly Total
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MALHEUR - NEAR DREWSEY
Forecasts For Water Year 2026
Experimental Water Supply
HEFS with 15 days EQPF
Ensemble: 2026-09-03 Issued: 2026-09-03
Forecast
Period
Forecasts Are in KAF Obs Runoff
(2026-09-03)
30 Year
Average
(1991-2020)
90 % 50 % %
Average
10 %
OCT 3.7 3.2
NOV 4.4 4.2
DEC 6.1 6.0
JAN 5.3 8.5
FEB 8.6 11
MAR 9.9 32
APR 8.8 34
MAY 2.6 20
JUN 0.8 7.6
JUL 0.4 1.8
AUG 0.1 0.4
SEP 0.1 0.1 12 0.4 0* 0.9
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* Partial Monthly Total
CSV
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MALHEUR - NEAR DREWSEY
Forecasts For Water Year 2026
Reference
ESP with 0 days QPF
Ensemble: 2026-09-03 Issued: 2026-09-03
Forecast
Period
Forecasts Are in KAF Obs Runoff
(2026-09-03)
30 Year
Average
(1991-2020)
90 % 50 % %
Average
10 %
OCT 3.7 3.2
NOV 4.4 4.2
DEC 6.1 6.0
JAN 5.3 8.5
FEB 8.6 11
MAR 9.9 32
APR 8.8 34
MAY 2.6 20
JUN 0.8 7.6
JUL 0.4 1.8
AUG 0.1 0.4
SEP 0.0 0.1 6.0 0.2 0* 0.9
Move the mouse over the desired "Forecast Table" to update graph.
* Partial Monthly Total
CSV
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