Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Aug 07 2026 at 7:51 AM PDT |
| Prob | Aug* | Sep | Oct | Nov | Dec | Jan |
| 10% | 0.1 | 0.2 | 0.2 | 0.9 | 7.7 | 22.7 |
| 25% | 0.1 | 0.2 | 0.2 | 0.3 | 2.4 | 7.4 |
| 50% | 0.1 | 0.2 | 0.2 | 0.2 | 0.5 | 1.3 |
| 75% | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 |
| 90% | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
|
| Mean | 0.1 | 0.1 | 0.1 | 0.3 | 2.2 | 4.9 |
| %Mean | 100.0 | 200.0 | 200.0 | 66.7 | 22.7 | 26.5 |
| Prob | Feb | Mar | Apr | May | Jun | Jul |
| 10% | 17.2 | 15.9 | 5.2 | 1.3 | 0.8 | 0.7 |
| 25% | 8.0 | 11.8 | 1.8 | 1.0 | 0.7 | 0.5 |
| 50% | 2.3 | 2.6 | 0.9 | 0.4 | 0.2 | 0.1 |
| 75% | 0.3 | 0.4 | 0.2 | 0.1 | 0.0 | 0.0 |
| 90% | 0.2 | 0.2 | 0.2 | 0.1 | 0.0 | 0.0 |
|
| Mean | 5.0 | 5.2 | 1.6 | 0.5 | 0.2 | 0.1 |
| %Mean | 46.0 | 50.0 | 56.2 | 80.0 | 100.0 | 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. |
