COKW1 ESP Natural Volume Forecast - COWLITZ

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COWLITZ - NEAR KOSMOS (COKW1) Forecasts for Water Year 2027
Natural Forecast ESP with 10 Days QPF Ensemble: 2026-11-01 Issued: 2026-11-01 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	1041	1435	87	1852	1650
APR-JUL	915	1275	87	1664	1461
APR-AUG	987	1357	87	1774	1566
JAN-SEP	1869	2439	88	2989	2760
JAN-JUL	1746	2270	88	2781	2571
OCT-SEP	2170	2936	81	3685	3608
Experimental HEFS with 15 days EQPF Ensemble: 2026-11-01 Issued: 2026-11-01 Hide Forecast
APR-SEP	1041	1443	87	1849	1650
APR-JUL	914	1280	88	1662	1461
APR-AUG	985	1367	87	1772	1566
JAN-SEP	1853	2425	88	2994	2760
JAN-JUL	1735	2259	88	2786	2571
OCT-SEP	2153	3012	83	3716	3608
Reference ESP with 0 Days QPF Ensemble: 2026-11-01 Issued: 2026-11-01 Hide Forecast
APR-SEP	1052	1467	89	1853	1650
APR-JUL	924	1303	89	1665	1461
APR-AUG	999	1390	89	1775	1566
JAN-SEP	1879	2459	89	3014	2760
JAN-JUL	1761	2260	88	2800	2571
OCT-SEP	2234	3051	85	3738	3608
Move the mouse over the desired "Forecast Period" to display a graph.

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ESP10 HEFS ESP0

Data Files

/chpsesp/ensemble/natural/COKW1N_SQIN.ESPF10.csv

COKW1N_SQIN.ESPF0.csv|2026-11-01
COKW1N_SQIN.ESPF10.csv|2026-11-01
COKW1N_SQIN.ESPFM.csv|2026-11-01