Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Feb 09 2026 at 8:13 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 4.8 | 15.6 | 19.2 | 26.0 | 14.2 | 5.0 |
| 25% | 4.0 | 11.9 | 17.0 | 19.8 | 9.5 | 3.6 |
| 50% | 3.2 | 10.0 | 13.6 | 13.6 | 4.9 | 2.3 |
| 75% | 2.9 | 7.9 | 11.1 | 8.1 | 3.1 | 1.6 |
| 90% | 2.7 | 5.9 | 8.5 | 5.1 | 2.1 | 1.1 |
|
| Mean | 4.3 | 7.5 | 12.5 | 15.6 | 9.4 | 3.2 |
| %Mean | 74.4 | 133.3 | 108.8 | 87.2 | 52.1 | 71.9 |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 2.4 | 1.3 | 1.6 | 3.6 | 10.3 | 7.6 |
| 25% | 1.8 | 0.9 | 0.7 | 1.4 | 2.7 | 3.1 |
| 50% | 1.1 | 0.7 | 0.5 | 0.5 | 0.9 | 1.7 |
| 75% | 0.8 | 0.5 | 0.3 | 0.4 | 0.5 | 0.8 |
| 90% | 0.5 | 0.3 | 0.2 | 0.3 | 0.3 | 0.5 |
|
| Mean | 0.8 | 0.5 | 1.0 | 2.1 | 3.4 | 3.7 |
| %Mean | 137.5 | 140.0 | 50.0 | 23.8 | 26.5 | 45.9 |
| 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. |
