Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jun 12 2026 at 8:02 AM PDT |
| Prob | Jun* | Jul | Aug | Sep | Oct | Nov |
| 10% | 0.7 | 0.0 | 0.0 | 0.3 | 1.6 | 5.8 |
| 25% | 0.6 | 0.0 | 0.0 | 0.1 | 0.8 | 2.2 |
| 50% | 0.6 | 0.0 | 0.0 | 0.0 | 0.2 | 1.0 |
| 75% | 0.6 | 0.0 | 0.0 | 0.0 | 0.1 | 0.4 |
| 90% | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
|
| Mean | 2.3 | 1.1 | 0.6 | 0.7 | 0.9 | 4.2 |
| %Mean | 26.1 | 0.0 | 0.0 | 0.0 | 22.2 | 23.8 |
| Prob | Dec | Jan | Feb | Mar | Apr | May |
| 10% | 57.2 | 107.6 | 110.5 | 121.9 | 41.3 | 21.7 |
| 25% | 21.1 | 38.8 | 54.0 | 63.2 | 25.1 | 9.9 |
| 50% | 6.5 | 15.1 | 20.5 | 26.1 | 10.9 | 5.1 |
| 75% | 1.0 | 3.7 | 7.2 | 12.5 | 4.0 | 1.6 |
| 90% | 0.3 | 1.1 | 1.7 | 3.3 | 2.4 | 0.9 |
|
| Mean | 16.9 | 37.2 | 39.7 | 41.3 | 18.4 | 6.6 |
| %Mean | 38.5 | 40.6 | 51.6 | 63.2 | 59.2 | 77.3 |
| 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. |
