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: 2026-10-28 Issued: 2026-10-28 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	1400	1978	98	2605	2008
JAN-JUL	1365	1926	99	2544	1955
OCT-SEP	1713	2641	89	3395	2971
Experimental HEFS with 15 days EQPF Ensemble: 2026-10-28 Issued: 2026-10-28 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	1402	1987	99	2608	2008
JAN-JUL	1366	1935	99	2547	1955
OCT-SEP	1714	2707	91	3492	2971
Reference ESP with 0 Days QPF Ensemble: 2026-10-28 Issued: 2026-10-28 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	1408	2002	100	2611	2008
JAN-JUL	1373	1950	100	2552	1955
OCT-SEP	1858	2736	92	3712	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|2026-10-28
CRPW1N_SQIN.ESPF10.csv|2026-10-28
CRPW1N_SQIN.ESPFM.csv|2026-10-28