GIBO3 ESP Natural Volume Forecast - UMATILLA

UMATILLA - NEAR GIBBON (GIBO3) Forecasts for Water Year 2026
Natural Forecast ESP with 10 Days QPF Ensemble: 2025-10-09 Issued: 2025-10-09 Hide Forecast
Forecast Period	Forecasts Are in KAF				30 Year Average (1991-2020)
Forecast Period	90 %	50 %	% Average	10 %	30 Year Average (1991-2020)
APR-SEP	46	75	91	116	83
APR-JUL	41	70	90	110	77
JAN-SEP	100	135	90	190	150
JAN-JUL	96	130	90	184	145
OCT-SEP	120	159	91	213	174
Experimental HEFS with 15 days EQPF Ensemble: 2025-10-09 Issued: 2025-10-09 Hide Forecast
APR-SEP	47	76	92	117	83
APR-JUL	42	71	91	110	77
JAN-SEP	102	137	91	191	150
JAN-JUL	98	132	91	185	145
OCT-SEP	120	164	94	215	174
Reference ESP with 0 Days QPF Ensemble: 2025-10-09 Issued: 2025-10-09 Hide Forecast
APR-SEP	47	77	93	116	83
APR-JUL	42	71	92	110	77
JAN-SEP	101	139	92	190	150
JAN-JUL	96	133	92	184	145
OCT-SEP	119	164	94	214	174
Move the mouse over the desired "Forecast Period" to display a graph.