Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Feb 16 2026 at 8:55 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 13.2 | 58.9 | 72.2 | 133.2 | 83.4 | 22.0 |
| 25% | 11.6 | 34.3 | 63.8 | 98.7 | 47.6 | 8.1 |
| 50% | 10.9 | 28.8 | 52.8 | 80.2 | 26.1 | 4.7 |
| 75% | 10.6 | 17.7 | 42.6 | 53.0 | 14.4 | 3.3 |
| 90% | 10.3 | 12.7 | 34.4 | 39.2 | 8.8 | 2.7 |
|
| Mean | 23.3 | 33.1 | 53.0 | 76.0 | 47.5 | 12.8 |
| %Mean | 46.8 | 87.0 | 99.6 | 105.5 | 54.9 | 36.7 |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 3.8 | 3.3 | 15.3 | 33.4 | 70.9 | 35.8 |
| 25% | 2.7 | 2.1 | 4.4 | 14.1 | 21.9 | 25.8 |
| 50% | 1.9 | 1.4 | 2.1 | 5.2 | 8.5 | 12.3 |
| 75% | 1.5 | 1.1 | 1.4 | 2.1 | 3.5 | 5.4 |
| 90% | 1.2 | 0.8 | 0.9 | 1.4 | 1.3 | 2.4 |
|
| Mean | 2.2 | 1.5 | 4.1 | 11.5 | 21.7 | 20.4 |
| %Mean | 86.4 | 93.3 | 51.2 | 45.2 | 39.2 | 60.3 |
| 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. |
