Monthly Streamflow Volume (1000s of Acre-Feet) Data Updated: Apr 07 2026 at 7:43 AM PDT |
| Prob | Apr* | May | Jun | Jul | Aug | Sep |
| 10% | 3.2 | 2.2 | 0.7 | 0.5 | 0.5 | 0.4 |
| 25% | 2.3 | 1.0 | 0.6 | 0.5 | 0.4 | 0.4 |
| 50% | 1.6 | 0.7 | 0.6 | 0.5 | 0.4 | 0.4 |
| 75% | 1.2 | 0.6 | 0.5 | 0.5 | 0.4 | 0.3 |
| 90% | 1.1 | 0.6 | 0.5 | 0.4 | 0.4 | 0.3 |
|
| Mean | 4.0 | 3.3 | 1.4 | 0.6 | 0.4 | 0.4 |
| %Mean | 40.0 | 21.2 | 42.9 | 83.3 | 100.0 | 100.0 |
| Prob | Oct | Nov | Dec | Jan | Feb | Mar |
| 10% | 0.6 | 1.0 | 3.6 | 2.5 | 4.1 | 5.6 |
| 25% | 0.5 | 0.5 | 1.0 | 1.5 | 1.9 | 3.9 |
| 50% | 0.4 | 0.4 | 0.5 | 0.8 | 1.0 | 1.9 |
| 75% | 0.4 | 0.4 | 0.4 | 0.5 | 0.8 | 1.4 |
| 90% | 0.4 | 0.4 | 0.4 | 0.4 | 0.6 | 1.0 |
|
| Mean | 0.5 | 0.8 | 1.4 | 1.6 | 2.0 | 3.3 |
| %Mean | 80.0 | 50.0 | 35.7 | 50.0 | 50.0 | 57.6 |
| 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. |