Monthly Streamflow Volume (1000s of Acre-Feet) Data Updated: Feb 13 2026 at 8:56 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 126.2 | 296.2 | 212.3 | 172.2 | 85.2 | 28.3 |
| 25% | 106.4 | 206.8 | 164.8 | 142.9 | 54.9 | 23.2 |
| 50% | 84.1 | 171.2 | 113.3 | 81.2 | 29.9 | 18.8 |
| 75% | 69.1 | 109.4 | 76.5 | 54.7 | 23.8 | 15.5 |
| 90% | 62.9 | 66.8 | 63.0 | 37.1 | 19.6 | 13.5 |
|
| Mean | 129.8 | 150.2 | 117.2 | 99.7 | 49.2 | 21.5 |
| %Mean | 64.8 | 114.0 | 96.7 | 81.4 | 60.8 | 87.4 |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 19.6 | 17.3 | 27.5 | 69.3 | 231.4 | 250.4 |
| 25% | 18.2 | 15.9 | 16.7 | 41.1 | 133.3 | 160.1 |
| 50% | 15.2 | 13.7 | 14.7 | 18.1 | 42.3 | 91.8 |
| 75% | 12.9 | 12.2 | 12.7 | 13.1 | 21.2 | 42.5 |
| 90% | 11.3 | 11.0 | 11.1 | 11.3 | 13.5 | 24.5 |
|
| Mean | 14.9 | 13.4 | 18.5 | 33.3 | 80.7 | 111.4 |
| %Mean | 102.0 | 102.2 | 79.5 | 54.4 | 52.4 | 82.4 |
| 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. |