Monthly Streamflow Volume (1000s of Acre-Feet) Data Updated: Feb 13 2026 at 8:55 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 12.1 | 19.7 | 4.8 | 1.1 | 0.7 | 0.6 |
| 25% | 7.1 | 10.4 | 2.1 | 0.9 | 0.6 | 0.5 |
| 50% | 4.2 | 4.1 | 0.9 | 0.5 | 0.4 | 0.2 |
| 75% | 1.4 | 1.2 | 0.5 | 0.3 | 0.2 | 0.1 |
| 90% | 0.5 | 0.5 | 0.3 | 0.2 | 0.1 | 0.0 |
|
| Mean | 5.0 | 5.2 | 1.6 | 0.5 | 0.2 | 0.1 |
| %Mean | 84.0 | 78.8 | 56.2 | 100.0 | 200.0 | 200.0 |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 0.5 | 0.4 | 0.5 | 1.0 | 8.2 | 23.9 |
| 25% | 0.4 | 0.4 | 0.4 | 0.4 | 2.3 | 7.4 |
| 50% | 0.2 | 0.2 | 0.2 | 0.3 | 0.5 | 1.3 |
| 75% | 0.1 | 0.1 | 0.1 | 0.2 | 0.4 | 0.4 |
| 90% | 0.0 | 0.0 | 0.0 | 0.1 | 0.2 | 0.2 |
|
| Mean | 0.1 | 0.1 | 0.1 | 0.3 | 2.2 | 4.9 |
| %Mean | 200.0 | 200.0 | 200.0 | 100.0 | 22.7 | 26.5 |
| 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. |