OWYHEE - OWYHEE DAM
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 14 17
NOV 17 19
DEC 24 30
JAN 23 43
FEB 20 58
MAR 25 138
APR 17 131
MAY 12 111
JUN 13 47
JUL 15 19
AUG 9.2 14
SEP 11 11 81 13 1.4* 14
Move the mouse over the desired "Forecast Table" to update graph.
* Partial Monthly Total
CSV
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OWYHEE - OWYHEE DAM
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 14 17
NOV 17 19
DEC 24 30
JAN 23 43
FEB 20 58
MAR 25 138
APR 17 131
MAY 12 111
JUN 13 47
JUL 15 19
AUG 9.2 14
SEP 10.0 11 77 13 1.4* 14
Move the mouse over the desired "Forecast Table" to update graph.
* Partial Monthly Total
CSV
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OWYHEE - OWYHEE DAM
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 14 17
NOV 17 19
DEC 24 30
JAN 23 43
FEB 20 58
MAR 25 138
APR 17 131
MAY 12 111
JUN 13 47
JUL 15 19
AUG 9.2 14
SEP 9.7 11 76 13 1.4* 14
Move the mouse over the desired "Forecast Table" to update graph.
* Partial Monthly Total
CSV
Download