Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Feb 19 2026 at 8:47 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 26.1 | 57.9 | 24.4 | 13.9 | 7.6 | 4.5 |
| 25% | 20.2 | 29.4 | 15.3 | 7.3 | 4.0 | 2.3 |
| 50% | 13.2 | 14.3 | 7.6 | 4.1 | 2.3 | 1.2 |
| 75% | 10.5 | 7.0 | 3.6 | 2.0 | 1.1 | 0.5 |
| 90% | 8.5 | 4.0 | 2.0 | 1.3 | 0.6 | 0.2 |
|
| Mean | 16.4 | 21.4 | 12.2 | 6.6 | 2.9 | 1.1 |
| %Mean | 80.5 | 66.8 | 62.3 | 62.1 | 79.3 | 109.1 |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 2.5 | 1.4 | 0.9 | 1.3 | 19.0 | 49.2 |
| 25% | 1.2 | 0.6 | 0.5 | 0.5 | 5.2 | 14.0 |
| 50% | 0.6 | 0.3 | 0.2 | 0.3 | 0.6 | 4.0 |
| 75% | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.8 |
| 90% | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 |
|
| Mean | 0.6 | 0.4 | 0.6 | 1.5 | 5.3 | 14.5 |
| %Mean | 100.0 | 75.0 | 33.3 | 20.0 | 11.3 | 27.6 |
| 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. |
