| LEWIS - MERWIN DAM Forecasts For Water Year 2026 | ||||||
| Official Water Supply ESP with 10 days QPF Ensemble: 2026-04-18 Issued: 2026-04-18 | ||||||
| Forecast Period |
Forecasts Are in KAF | Obs Runoff (2026-04-18) |
30 Year Average (1991-2020) | |||
| 90 % | 50 % | % Average |
10 % | |||
| OCT | 91 | 201 | ||||
| NOV | 306 | 394 | ||||
| DEC | 887 | 459 | ||||
| JAN | 335 | 504 | ||||
| FEB | 315 | 399 | ||||
| MAR | 580 | 377 | ||||
| APR | 236 | 236 | 79 | 241 | 137* | 299 |
| MAY | 133 | 179 | 66 | 267 | 271 | |
| JUN | 72 | 115 | 59 | 210 | 196 | |
| JUL | 48 | 62 | 54 | 81 | 115 | |
| AUG | 38 | 43 | 50 | 51 | 88 | |
| SEP | 32 | 40 | 35 | 67 | 113 | |
| Move the mouse over the desired "Forecast Table" to update graph. * Partial Monthly Total | ||||||
| CSV Download | ||||||
| LEWIS - MERWIN DAM Forecasts For Water Year 2026 | ||||||
| Experimental Water Supply HEFS with 15 days EQPF Ensemble: 2026-04-18 Issued: 2026-04-18 | ||||||
| Forecast Period |
Forecasts Are in KAF | Obs Runoff (2026-04-18) |
30 Year Average (1991-2020) | |||
| 90 % | 50 % | % Average |
10 % | |||
| OCT | 91 | 201 | ||||
| NOV | 306 | 394 | ||||
| DEC | 887 | 459 | ||||
| JAN | 335 | 504 | ||||
| FEB | 315 | 399 | ||||
| MAR | 580 | 377 | ||||
| APR | 225 | 236 | 79 | 268 | 137* | 299 |
| MAY | 128 | 178 | 66 | 260 | 271 | |
| JUN | 72 | 113 | 58 | 217 | 196 | |
| JUL | 47 | 61 | 54 | 80 | 115 | |
| AUG | 38 | 43 | 49 | 52 | 88 | |
| SEP | 32 | 40 | 35 | 67 | 113 | |
| Move the mouse over the desired "Forecast Table" to update graph. * Partial Monthly Total | ||||||
| CSV Download | ||||||
| LEWIS - MERWIN DAM Forecasts For Water Year 2026 | ||||||
| Reference ESP with 0 days QPF Ensemble: 2026-04-18 Issued: 2026-04-18 | ||||||
| Forecast Period |
Forecasts Are in KAF | Obs Runoff (2026-04-18) |
30 Year Average (1991-2020) | |||
| 90 % | 50 % | % Average |
10 % | |||
| OCT | 91 | 201 | ||||
| NOV | 306 | 394 | ||||
| DEC | 887 | 459 | ||||
| JAN | 335 | 504 | ||||
| FEB | 315 | 399 | ||||
| MAR | 580 | 377 | ||||
| APR | 219 | 242 | 81 | 303 | 137* | 299 |
| MAY | 135 | 201 | 74 | 313 | 271 | |
| JUN | 75 | 120 | 61 | 233 | 196 | |
| JUL | 48 | 63 | 55 | 83 | 115 | |
| AUG | 38 | 44 | 50 | 52 | 88 | |
| SEP | 32 | 41 | 36 | 68 | 113 | |
| Move the mouse over the desired "Forecast Table" to update graph. * Partial Monthly Total | ||||||
| CSV Download | ||||||
