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SF BOISE - ANDERSON RANCH DAM (ARAI1) Forecasts for Water Year 2027 |
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Natural Forecast
ESP with 10 Days QPF Ensemble: 2026-10-22 Issued: 2026-10-22 Hide Forecast | |||||
| Forecasts Are in KAF | 30 Year Average (1991-2020) | ||||
| 90 % | 50 % | % Average |
10 % | ||
| APR-SEP | 196 | 398 | 80 | 725 | 498 |
| APR-JUL | 180 | 370 | 80 | 672 | 465 |
| APR-AUG | 188 | 384 | 80 | 704 | 483 |
| JAN-SEP | 237 | 445 | 76 | 834 | 589 |
| JAN-JUL | 221 | 417 | 75 | 795 | 556 |
| OCT-SEP | 275 | 485 | 75 | 884 | 647 |
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Experimental
HEFS with 15 days EQPF Ensemble: 2026-10-22 Issued: 2026-10-22 Hide Forecast | |||||
| APR-SEP | 185 | 391 | 78 | 733 | 498 |
| APR-JUL | 170 | 363 | 78 | 680 | 465 |
| APR-AUG | 178 | 378 | 78 | 712 | 483 |
| JAN-SEP | 228 | 437 | 74 | 833 | 589 |
| JAN-JUL | 215 | 409 | 74 | 785 | 556 |
| OCT-SEP | 265 | 474 | 73 | 879 | 647 |
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Reference
ESP with 0 Days QPF Ensemble: 2026-10-22 Issued: 2026-10-22 Hide Forecast | |||||
| APR-SEP | 184 | 380 | 76 | 737 | 498 |
| APR-JUL | 170 | 352 | 76 | 690 | 465 |
| APR-AUG | 177 | 366 | 76 | 717 | 483 |
| JAN-SEP | 236 | 423 | 72 | 865 | 589 |
| JAN-JUL | 223 | 400 | 72 | 813 | 556 |
| OCT-SEP | 274 | 462 | 71 | 906 | 647 |
| Move the mouse over the desired "Forecast Period" to display a graph. | |||||
APR-SEP
