Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Feb 07 2026 at 8:25 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 141.1 | 274.3 | 205.8 | 175.9 | 82.0 | 26.6 |
| 25% | 109.1 | 200.1 | 163.2 | 141.6 | 54.8 | 22.8 |
| 50% | 75.3 | 153.1 | 114.2 | 79.8 | 29.1 | 18.3 |
| 75% | 57.2 | 93.2 | 70.3 | 47.6 | 22.7 | 15.2 |
| 90% | 49.1 | 49.6 | 53.8 | 33.3 | 17.8 | 12.5 |
|
| Mean | 129.8 | 150.2 | 117.2 | 99.7 | 49.2 | 21.5 |
| %Mean | 58.0 | 101.9 | 97.4 | 80.0 | 59.1 | 85.1 |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 19.4 | 17.2 | 27.3 | 69.2 | 231.0 | 249.9 |
| 25% | 18.0 | 15.6 | 16.5 | 40.6 | 133.0 | 159.4 |
| 50% | 14.8 | 13.4 | 14.5 | 18.0 | 42.6 | 91.7 |
| 75% | 12.5 | 11.8 | 12.2 | 13.0 | 20.8 | 42.3 |
| 90% | 10.4 | 10.5 | 10.7 | 10.9 | 13.3 | 24.4 |
|
| Mean | 14.9 | 13.4 | 18.5 | 33.3 | 80.7 | 111.4 |
| %Mean | 99.3 | 100.0 | 78.4 | 54.1 | 52.8 | 82.3 |
| 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. |
