Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jul 10 2026 at 7:49 AM PDT |
| Prob | Jul* | Aug | Sep | Oct | Nov | Dec |
| 10% | 0.9 | 0.5 | 0.3 | 1.2 | 3.3 | 10.7 |
| 25% | 0.8 | 0.4 | 0.2 | 0.3 | 1.3 | 2.5 |
| 50% | 0.8 | 0.3 | 0.2 | 0.2 | 0.3 | 0.8 |
| 75% | 0.8 | 0.3 | 0.1 | 0.1 | 0.2 | 0.3 |
| 90% | 0.8 | 0.3 | 0.1 | 0.1 | 0.1 | 0.1 |
|
| Mean | 3.2 | 0.8 | 0.5 | 1.0 | 2.1 | 3.4 |
| %Mean | 25.0 | 37.5 | 40.0 | 20.0 | 14.3 | 23.5 |
| Prob | Jan | Feb | Mar | Apr | May | Jun |
| 10% | 7.5 | 11.1 | 16.4 | 21.1 | 34.9 | 24.5 |
| 25% | 2.8 | 4.9 | 11.1 | 17.7 | 27.6 | 14.1 |
| 50% | 1.6 | 2.2 | 6.0 | 11.4 | 13.9 | 5.4 |
| 75% | 0.7 | 1.3 | 4.0 | 7.1 | 6.2 | 2.2 |
| 90% | 0.4 | 0.9 | 2.7 | 4.9 | 2.4 | 0.9 |
|
| Mean | 3.7 | 4.3 | 7.5 | 12.5 | 15.6 | 9.4 |
| %Mean | 43.2 | 51.2 | 80.0 | 91.2 | 89.1 | 57.4 |
| 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. |
