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CHEHALIS - NEAR GRAND MOUND (CGMW1) Forecasts for Water Year 2027 |
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Natural Forecast
ESP with 10 Days QPF Ensemble: 2026-10-10 Issued: 2026-10-10 Hide Forecast | |||||
| Forecasts Are in KAF | 30 Year Average (1991-2020) | ||||
| 90 % | 50 % | % Average |
10 % | ||
| APR-SEP | 215 | 360 | 89 | 615 | 406 |
| APR-JUL | 193 | 328 | 88 | 580 | 371 |
| APR-AUG | 207 | 345 | 89 | 599 | 387 |
| JAN-SEP | 976 | 1362 | 98 | 1821 | 1386 |
| JAN-JUL | 956 | 1331 | 99 | 1784 | 1351 |
| OCT-SEP | 1340 | 1901 | 91 | 2748 | 2086 |
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Experimental
HEFS with 15 days EQPF Ensemble: 2026-10-10 Issued: 2026-10-10 Hide Forecast | |||||
| APR-SEP | 215 | 360 | 89 | 615 | 406 |
| APR-JUL | 193 | 328 | 88 | 580 | 371 |
| APR-AUG | 207 | 345 | 89 | 599 | 387 |
| JAN-SEP | 974 | 1362 | 98 | 1820 | 1386 |
| JAN-JUL | 954 | 1331 | 99 | 1783 | 1351 |
| OCT-SEP | 1335 | 1916 | 92 | 2766 | 2086 |
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Reference
ESP with 0 Days QPF Ensemble: 2026-10-10 Issued: 2026-10-10 Hide Forecast | |||||
| APR-SEP | 215 | 360 | 89 | 615 | 406 |
| APR-JUL | 193 | 328 | 88 | 580 | 371 |
| APR-AUG | 207 | 345 | 89 | 599 | 387 |
| JAN-SEP | 979 | 1364 | 98 | 1821 | 1386 |
| JAN-JUL | 959 | 1333 | 99 | 1785 | 1351 |
| OCT-SEP | 1367 | 1974 | 95 | 2849 | 2086 |
| Move the mouse over the desired "Forecast Period" to display a graph. | |||||
APR-SEP
