Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jul 21 2026 at 7:58 AM PDT |
| Prob | Jul* | Aug | Sep | Oct | Nov | Dec |
| 10% | 4.3 | 3.7 | 1.0 | 0.0 | 0.0 | 0.2 |
| 25% | 4.3 | 3.6 | 0.9 | 0.0 | 0.0 | 0.0 |
| 50% | 4.3 | 3.6 | 0.9 | 0.0 | 0.0 | 0.0 |
| 75% | 4.3 | 3.6 | 0.8 | 0.0 | 0.0 | 0.0 |
| 90% | 4.3 | 3.5 | 0.7 | 0.0 | 0.0 | 0.0 |
|
| Mean | 8.2 | 8.1 | 3.8 | 1.9 | 1.1 | 1.1 |
| %Mean | 52.4 | 44.4 | 23.7 | 0.0 | 0.0 | 0.0 |
| Prob | Jan | Feb | Mar | Apr | May | Jun |
| 10% | 0.5 | 1.6 | 4.6 | 11.2 | 23.0 | 21.6 |
| 25% | 0.0 | 0.1 | 1.8 | 9.2 | 16.5 | 14.5 |
| 50% | 0.0 | 0.0 | 0.7 | 4.7 | 11.1 | 10.1 |
| 75% | 0.0 | 0.0 | 0.3 | 2.4 | 6.9 | 5.4 |
| 90% | 0.0 | 0.0 | 0.0 | 1.9 | 3.8 | 3.0 |
|
| Mean | 1.2 | 1.1 | 1.9 | 5.8 | 14.0 | 10.9 |
| %Mean | 0.0 | 0.0 | 36.8 | 81.0 | 79.3 | 92.7 |
| 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. |
