Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Feb 17 2026 at 9:07 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 9.9 | 27.3 | 35.6 | 57.2 | 36.5 | 10.0 |
| 25% | 8.8 | 20.8 | 31.2 | 42.0 | 24.4 | 7.5 |
| 50% | 8.1 | 16.6 | 26.0 | 34.3 | 14.8 | 4.8 |
| 75% | 7.8 | 13.9 | 22.1 | 25.0 | 9.5 | 3.5 |
| 90% | 7.5 | 11.2 | 20.3 | 17.4 | 5.9 | 2.3 |
|
| Mean | 8.2 | 14.2 | 24.9 | 32.8 | 19.0 | 5.2 |
| %Mean | 98.8 | 116.9 | 104.4 | 104.6 | 77.9 | 92.3 |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 4.1 | 2.4 | 3.6 | 6.3 | 21.7 | 16.7 |
| 25% | 3.0 | 1.5 | 1.8 | 3.0 | 5.1 | 6.3 |
| 50% | 1.8 | 1.0 | 1.2 | 1.4 | 2.4 | 3.6 |
| 75% | 1.2 | 0.6 | 0.7 | 1.1 | 1.4 | 1.7 |
| 90% | 0.7 | 0.5 | 0.5 | 0.8 | 0.9 | 1.0 |
|
| Mean | 1.2 | 0.9 | 2.0 | 4.0 | 6.1 | 7.1 |
| %Mean | 150.0 | 111.1 | 60.0 | 35.0 | 39.3 | 50.7 |
| 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. |
