Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Feb 13 2026 at 8:56 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 53.4 | 90.5 | 59.8 | 59.8 | 35.8 | 22.8 |
| 25% | 46.6 | 69.2 | 44.4 | 41.8 | 25.1 | 19.2 |
| 50% | 37.4 | 46.8 | 37.4 | 31.6 | 20.7 | 17.7 |
| 75% | 32.0 | 34.8 | 30.1 | 24.9 | 17.1 | 15.6 |
| 90% | 25.2 | 27.7 | 26.3 | 18.8 | 15.5 | 14.1 |
|
| Mean | 39.7 | 44.7 | 37.2 | 36.5 | 27.5 | 19.5 |
| %Mean | 94.2 | 104.7 | 100.5 | 86.6 | 75.3 | 90.8 |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 20.0 | 18.6 | 25.3 | 38.4 | 85.5 | 88.1 |
| 25% | 17.7 | 16.2 | 17.9 | 23.2 | 45.4 | 51.0 |
| 50% | 16.2 | 15.2 | 15.9 | 16.4 | 25.1 | 31.4 |
| 75% | 14.5 | 13.5 | 14.0 | 15.0 | 17.2 | 21.8 |
| 90% | 13.0 | 12.4 | 12.7 | 12.7 | 14.8 | 16.7 |
|
| Mean | 15.8 | 14.8 | 16.9 | 20.6 | 33.1 | 39.4 |
| %Mean | 102.5 | 102.7 | 94.1 | 79.6 | 75.8 | 79.7 |
| Note 1: %Mean is the "Median forecast monthly value (50%)" divided by the "monthly mean" (displayed as a %) |
| Note 2: For current month, graphic represents remaining forecast only, text represents observed + remaining forecast. |
