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% | 12.6 | 35.6 | 45.8 | 61.5 | 37.5 | 10.0 |
| 25% | 11.1 | 27.4 | 37.3 | 44.4 | 24.9 | 7.5 |
| 50% | 10.3 | 22.4 | 30.7 | 36.5 | 15.0 | 4.8 |
| 75% | 9.7 | 18.1 | 26.4 | 26.3 | 9.7 | 3.5 |
| 90% | 9.3 | 15.6 | 22.7 | 18.2 | 6.0 | 2.3 |
|
| Mean | 9.3 | 17.2 | 27.2 | 31.5 | 17.0 | 3.7 |
| %Mean | 110.8 | 130.2 | 112.9 | 115.9 | 88.2 | 129.7 |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 4.1 | 2.5 | 3.9 | 7.0 | 24.2 | 19.2 |
| 25% | 3.0 | 1.5 | 1.9 | 3.5 | 6.2 | 7.6 |
| 50% | 1.8 | 1.0 | 1.2 | 1.6 | 2.7 | 4.1 |
| 75% | 1.2 | 0.6 | 0.8 | 1.2 | 1.8 | 2.1 |
| 90% | 0.7 | 0.5 | 0.5 | 0.9 | 1.1 | 1.3 |
|
| Mean | 0.2 | 0.1 | 1.3 | 3.5 | 6.5 | 7.5 |
| %Mean | 900.0 | 1000.0 | 92.3 | 45.7 | 41.5 | 54.7 |
| 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. |
