Monthly Streamflow Volume (1000s of Acre-Feet) Data Updated: Jun 04 2026 at 7:13 AM PDT |
| Prob | Jun* | Jul | Aug | Sep | Oct | Nov |
| 10% | 3.9 | 4.8 | 4.0 | 1.2 | 0.1 | 0.0 |
| 25% | 3.5 | 4.5 | 3.7 | 0.9 | 0.0 | 0.0 |
| 50% | 3.4 | 4.4 | 3.6 | 0.9 | 0.0 | 0.0 |
| 75% | 3.4 | 4.3 | 3.5 | 0.8 | 0.0 | 0.0 |
| 90% | 3.4 | 4.3 | 3.5 | 0.7 | 0.0 | 0.0 |
|
| Mean | 10.9 | 8.2 | 8.1 | 3.8 | 1.9 | 1.1 |
| %Mean | 31.2 | 53.7 | 44.4 | 23.7 | 0.0 | 0.0 |
| Prob | Dec | Jan | Feb | Mar | Apr | May |
| 10% | 0.2 | 0.5 | 1.8 | 4.5 | 11.2 | 23.2 |
| 25% | 0.0 | 0.0 | 0.2 | 1.9 | 9.3 | 16.5 |
| 50% | 0.0 | 0.0 | 0.0 | 0.7 | 4.7 | 11.2 |
| 75% | 0.0 | 0.0 | 0.0 | 0.3 | 2.5 | 6.9 |
| 90% | 0.0 | 0.0 | 0.0 | 0.0 | 1.9 | 3.8 |
|
| Mean | 1.1 | 1.2 | 1.1 | 1.9 | 5.8 | 14.0 |
| %Mean | 0.0 | 0.0 | 0.0 | 36.8 | 81.0 | 80.0 |
| 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. |