Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Feb 19 2026 at 8:21 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 25.0 | 26.6 | 14.4 | 10.4 | 3.3 | 1.5 |
| 25% | 20.6 | 19.3 | 9.7 | 4.3 | 1.9 | 0.7 |
| 50% | 15.7 | 11.6 | 5.2 | 2.7 | 1.2 | 0.4 |
| 75% | 14.1 | 7.6 | 3.5 | 1.9 | 0.8 | 0.3 |
| 90% | 12.4 | 4.8 | 2.3 | 1.3 | 0.5 | 0.2 |
|
| Mean | 15.2 | 14.5 | 8.5 | 5.3 | 1.9 | 0.5 |
| %Mean | 103.3 | 80.0 | 61.2 | 50.9 | 63.2 | 80.0 |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 0.6 | 0.3 | 0.4 | 7.4 | 23.5 | 34.3 |
| 25% | 0.3 | 0.2 | 0.2 | 1.0 | 15.8 | 19.0 |
| 50% | 0.2 | 0.2 | 0.2 | 0.2 | 4.8 | 9.4 |
| 75% | 0.2 | 0.1 | 0.1 | 0.1 | 0.6 | 2.6 |
| 90% | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.3 |
|
| Mean | 0.2 | 0.2 | 0.4 | 1.8 | 8.4 | 13.0 |
| %Mean | 100.0 | 100.0 | 50.0 | 11.1 | 57.1 | 72.3 |
| 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. |
