Monthly Streamflow Volume (1000s of Acre-Feet) Data Updated: Feb 18 2026 at 8:50 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 65.9 | 91.8 | 44.2 | 30.6 | 7.6 | 3.6 |
| 25% | 40.3 | 58.4 | 31.8 | 19.0 | 5.0 | 3.2 |
| 50% | 31.6 | 36.6 | 18.1 | 7.7 | 3.4 | 2.7 |
| 75% | 25.8 | 27.3 | 11.6 | 5.2 | 3.0 | 2.4 |
| 90% | 22.7 | 21.3 | 7.9 | 3.5 | 2.7 | 2.1 |
|
| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 2.8 | 2.3 | 4.7 | 9.3 | 51.9 | 71.3 |
| 25% | 2.6 | 2.2 | 2.5 | 4.4 | 11.6 | 22.6 |
| 50% | 2.1 | 1.7 | 1.7 | 2.5 | 5.3 | 6.5 |
| 75% | 1.9 | 1.5 | 1.5 | 1.7 | 2.7 | 3.6 |
| 90% | 1.7 | 1.3 | 1.3 | 1.3 | 1.3 | 2.6 |
|
| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| 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. |