|
BOISE - ARROWROCK DAM (ARKI1) Forecasts for Water Year 2026 |
|||||
|
Natural Forecast
ESP with 10 Days QPF Ensemble: 2025-10-16 Issued: 2025-10-16 Hide Forecast | |||||
| Forecasts Are in KAF | 30 Year Average (1991-2020) | ||||
| 90 % | 50 % | % Average |
10 % | ||
| APR-SEP | 674 | 1177 | 97 | 2071 | 1212 |
| APR-JUL | 612 | 1091 | 97 | 1907 | 1121 |
| JAN-SEP | 841 | 1357 | 92 | 2462 | 1479 |
| JAN-JUL | 778 | 1270 | 91 | 2278 | 1388 |
| OCT-SEP | 973 | 1523 | 93 | 2617 | 1636 |
|
Experimental
HEFS with 15 days EQPF Ensemble: 2025-10-15 Issued: 2025-10-15 Hide Forecast | |||||
| APR-SEP | 678 | 1142 | 94 | 2061 | 1212 |
| APR-JUL | 614 | 1058 | 94 | 1914 | 1121 |
| JAN-SEP | 852 | 1308 | 88 | 2458 | 1479 |
| JAN-JUL | 788 | 1222 | 88 | 2262 | 1388 |
| OCT-SEP | 975 | 1465 | 90 | 2635 | 1636 |
|
Reference
ESP with 0 Days QPF Ensemble: 2025-10-16 Issued: 2025-10-16 Hide Forecast | |||||
| APR-SEP | 661 | 1153 | 95 | 2062 | 1212 |
| APR-JUL | 597 | 1068 | 95 | 1915 | 1121 |
| JAN-SEP | 835 | 1330 | 90 | 2456 | 1479 |
| JAN-JUL | 772 | 1246 | 90 | 2267 | 1388 |
| OCT-SEP | 959 | 1488 | 91 | 2637 | 1636 |
| Move the mouse over the desired "Forecast Period" to display a graph. | |||||
APR-SEP
