|
CHEHALIS - NEAR GRAND MOUND (CGMW1) Forecasts for Water Year 2027 |
|||||
|
Natural Forecast
ESP with 10 Days QPF Ensemble: 2026-10-23 Issued: 2026-10-23 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 | 973 | 1360 | 98 | 1816 | 1386 |
| JAN-JUL | 953 | 1329 | 98 | 1779 | 1351 |
| OCT-SEP | 1193 | 1865 | 89 | 2528 | 2086 |
|
Experimental
HEFS with 15 days EQPF Ensemble: 2026-10-23 Issued: 2026-10-23 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 | 968 | 1359 | 98 | 1813 | 1386 |
| JAN-JUL | 948 | 1328 | 98 | 1777 | 1351 |
| OCT-SEP | 1183 | 1848 | 89 | 2542 | 2086 |
|
Reference
ESP with 0 Days QPF Ensemble: 2026-10-23 Issued: 2026-10-23 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 | 973 | 1362 | 98 | 1818 | 1386 |
| JAN-JUL | 953 | 1331 | 99 | 1781 | 1351 |
| OCT-SEP | 1334 | 1894 | 91 | 2709 | 2086 |
| Move the mouse over the desired "Forecast Period" to display a graph. | |||||
APR-SEP
