CRPW1 ESP Natural Volume Forecast - CHEHALIS

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CHEHALIS - AT PORTER (CRPW1) Forecasts for Water Year 2027
Natural Forecast ESP with 10 Days QPF Ensemble: 2026-10-29 Issued: 2026-10-29 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	336	527	88	891	597
APR-JUL	288	476	88	838	543
APR-AUG	312	505	89	867	569
JAN-SEP	1405	1982	99	2604	2008
JAN-JUL	1370	1930	99	2544	1955
OCT-SEP	1748	2663	90	3414	2971
Experimental HEFS with 15 days EQPF Ensemble: 2026-10-29 Issued: 2026-10-29 Hide Forecast
APR-SEP	336	527	88	891	597
APR-JUL	288	476	88	838	543
APR-AUG	312	505	89	867	569
JAN-SEP	1399	1987	99	2604	2008
JAN-JUL	1364	1935	99	2541	1955
OCT-SEP	1731	2638	89	3405	2971
Reference ESP with 0 Days QPF Ensemble: 2026-10-29 Issued: 2026-10-29 Hide Forecast
APR-SEP	336	527	88	891	597
APR-JUL	288	476	88	838	543
APR-AUG	312	505	89	867	569
JAN-SEP	1411	2003	100	2613	2008
JAN-JUL	1376	1951	100	2554	1955
OCT-SEP	1881	2761	93	3723	2971
Move the mouse over the desired "Forecast Period" to display a graph.

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ESP10 HEFS ESP0

Data Files

/chpsesp/ensemble/natural/CRPW1N_SQIN.ESPF10.csv

CRPW1N_SQIN.ESPF0.csv|2026-10-29
CRPW1N_SQIN.ESPF10.csv|2026-10-29
CRPW1N_SQIN.ESPFM.csv|2026-10-29