Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Sep 02 2026 at 8:01 AM PDT |
| Prob | Sep* | Oct | Nov | Dec | Jan | Feb |
| 10% | 0.3 | 1.0 | 1.7 | 2.8 | 1.7 | 2.3 |
| 25% | 0.3 | 0.4 | 0.9 | 1.1 | 1.0 | 1.1 |
| 50% | 0.2 | 0.3 | 0.4 | 0.6 | 0.6 | 0.8 |
| 75% | 0.2 | 0.2 | 0.3 | 0.4 | 0.4 | 0.5 |
| 90% | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 |
|
| Mean | 0.3 | 0.5 | 0.7 | 1.1 | 1.1 | 1.0 |
| %Mean | 66.7 | 60.0 | 57.1 | 54.5 | 54.5 | 80.0 |
| Prob | Mar | Apr | May | Jun | Jul | Aug |
| 10% | 2.6 | 3.5 | 7.2 | 7.5 | 2.9 | 0.7 |
| 25% | 1.7 | 2.5 | 5.6 | 5.5 | 1.5 | 0.5 |
| 50% | 1.2 | 2.2 | 4.1 | 2.6 | 0.6 | 0.4 |
| 75% | 1.0 | 1.7 | 3.0 | 0.9 | 0.4 | 0.3 |
| 90% | 0.7 | 1.5 | 1.7 | 0.6 | 0.3 | 0.2 |
|
| Mean | 1.5 | 2.4 | 4.5 | 3.4 | 1.2 | 0.4 |
| %Mean | 80.0 | 91.7 | 91.1 | 76.5 | 50.0 | 100.0 |
| 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. |
