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CHEHALIS - NEAR GRAND MOUND (CGMW1) Forecasts for Water Year 2026 |
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Natural Forecast
ESP with 10 Days QPF Ensemble: 2025-10-17 Issued: 2025-10-17 Hide Forecast | |||||
| Forecasts Are in KAF | 30 Year Average (1991-2020) | ||||
| 90 % | 50 % | % Average |
10 % | ||
| APR-SEP | 215 | 370 | 91 | 632 | 406 |
| APR-JUL | 194 | 334 | 90 | 596 | 371 |
| JAN-SEP | 990 | 1381 | 100 | 1837 | 1386 |
| JAN-JUL | 970 | 1356 | 100 | 1800 | 1351 |
| OCT-SEP | 1484 | 2117 | 101 | 2886 | 2086 |
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Experimental
HEFS with 15 days EQPF Ensemble: 2025-10-17 Issued: 2025-10-17 Hide Forecast | |||||
| APR-SEP | 215 | 370 | 91 | 632 | 406 |
| APR-JUL | 194 | 334 | 90 | 596 | 371 |
| JAN-SEP | 978 | 1380 | 100 | 1831 | 1386 |
| JAN-JUL | 958 | 1355 | 100 | 1795 | 1351 |
| OCT-SEP | 1396 | 2028 | 97 | 2830 | 2086 |
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Reference
ESP with 0 Days QPF Ensemble: 2025-10-17 Issued: 2025-10-17 Hide Forecast | |||||
| APR-SEP | 215 | 370 | 91 | 632 | 406 |
| APR-JUL | 194 | 334 | 90 | 596 | 371 |
| JAN-SEP | 971 | 1381 | 100 | 1829 | 1386 |
| JAN-JUL | 951 | 1356 | 100 | 1792 | 1351 |
| OCT-SEP | 1322 | 1962 | 94 | 2790 | 2086 |
| Move the mouse over the desired "Forecast Period" to display a graph. | |||||
APR-SEP
