SPEW1 ESP Natural Volume Forecast - SOUTH PRAIRIE

SOUTH PRAIRIE - AT SOUTH PRAIRIE (SPEW1) Forecasts for Water Year 2027
Natural Forecast ESP with 10 Days QPF Ensemble: 2026-10-22 Issued: 2026-10-22 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	43	57	97	84	58
APR-JUL	37	51	99	75	52
APR-AUG	40	54	98	80	55
JAN-SEP	78	113	94	161	120
JAN-JUL	72	107	95	153	113
OCT-SEP	94	140	84	195	167
Experimental HEFS with 15 days EQPF Ensemble: 2026-10-22 Issued: 2026-10-22 Hide Forecast
APR-SEP	43	57	98	84	58
APR-JUL	38	51	100	75	52
APR-AUG	40	54	99	80	55
JAN-SEP	79	114	95	161	120
JAN-JUL	73	107	95	153	113
OCT-SEP	96	142	85	196	167
Reference ESP with 0 Days QPF Ensemble: 2026-10-22 Issued: 2026-10-22 Hide Forecast
APR-SEP	44	58	99	84	58
APR-JUL	39	51	100	76	52
APR-AUG	41	54	99	80	55
JAN-SEP	83	117	98	163	120
JAN-JUL	78	108	95	155	113
OCT-SEP	110	149	89	202	167
Move the mouse over the desired "Forecast Period" to display a graph.