Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Feb 19 2026 at 8:23 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 7.2 | 10.4 | 6.7 | 3.9 | 1.2 | 0.7 |
| 25% | 5.4 | 7.1 | 4.8 | 3.0 | 1.0 | 0.6 |
| 50% | 4.2 | 5.2 | 2.9 | 1.4 | 0.8 | 0.5 |
| 75% | 3.2 | 3.8 | 2.3 | 1.0 | 0.6 | 0.4 |
| 90% | 3.0 | 2.9 | 1.2 | 0.8 | 0.5 | 0.3 |
|
| Mean | 3.2 | 3.9 | 3.3 | 2.1 | 1.0 | 0.5 |
| %Mean | 131.2 | 133.3 | 87.9 | 66.7 | 80.0 | 100.0 |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 0.5 | 0.4 | 0.7 | 1.4 | 6.5 | 6.6 |
| 25% | 0.4 | 0.3 | 0.4 | 0.8 | 1.7 | 3.0 |
| 50% | 0.3 | 0.2 | 0.3 | 0.4 | 1.0 | 1.3 |
| 75% | 0.2 | 0.2 | 0.2 | 0.3 | 0.4 | 0.6 |
| 90% | 0.2 | 0.1 | 0.2 | 0.2 | 0.3 | 0.4 |
|
| Mean | 0.3 | 0.3 | 0.4 | 0.7 | 1.9 | 2.6 |
| %Mean | 100.0 | 66.7 | 75.0 | 57.1 | 52.6 | 50.0 |
| 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. |
