ISSW1 ESP Natural Volume Forecast - ISSAQUAH CREEK

ISSAQUAH CREEK - NEAR MOUTH (ISSW1) Forecasts for Water Year 2027
Natural Forecast ESP with 10 Days QPF Ensemble: 2026-10-09 Issued: 2026-10-09 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	17	23	88	33	26
APR-JUL	14	20	87	28	23
APR-AUG	16	22	88	30	25
JAN-SEP	44	68	103	83	66
JAN-JUL	41	64	103	79	62
OCT-SEP	60	89	95	112	94
Experimental HEFS with 15 days EQPF Ensemble: 2026-10-09 Issued: 2026-10-09 Hide Forecast
APR-SEP	17	23	88	33	26
APR-JUL	14	20	87	28	23
APR-AUG	16	22	88	30	25
JAN-SEP	43	67	102	84	66
JAN-JUL	40	64	102	80	62
OCT-SEP	57	87	92	114	94
Reference ESP with 0 Days QPF Ensemble: 2026-10-09 Issued: 2026-10-09 Hide Forecast
APR-SEP	17	23	88	33	26
APR-JUL	14	20	87	28	23
APR-AUG	16	22	88	30	25
JAN-SEP	44	68	103	85	66
JAN-JUL	41	64	103	81	62
OCT-SEP	61	90	96	117	94
Move the mouse over the desired "Forecast Period" to display a graph.