Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Feb 05 2026 at 8:04 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 78.9 | 106.8 | 72.0 | 43.8 | 18.4 | 11.0 |
| 25% | 51.0 | 82.3 | 53.0 | 30.7 | 13.9 | 8.9 |
| 50% | 27.7 | 60.4 | 29.1 | 15.8 | 9.4 | 6.2 |
| 75% | 16.6 | 22.3 | 12.7 | 9.5 | 5.3 | 3.3 |
| 90% | 16.4 | 12.6 | 9.3 | 5.8 | 4.1 | 2.5 |
|
| Mean | 57.8 | 59.1 | 35.8 | 21.0 | 9.4 | 4.2 |
| %Mean | 47.9 | 102.2 | 81.3 | 75.2 | 100.0 | 147.6 |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 7.1 | 4.6 | 9.5 | 29.4 | 81.9 | 100.6 |
| 25% | 5.8 | 4.1 | 4.4 | 16.4 | 49.7 | 59.8 |
| 50% | 3.9 | 2.8 | 2.6 | 5.5 | 18.3 | 29.9 |
| 75% | 1.9 | 1.6 | 1.6 | 2.3 | 9.3 | 13.1 |
| 90% | 1.4 | 0.9 | 0.6 | 1.3 | 2.4 | 6.7 |
|
| Mean | 2.9 | 2.7 | 4.1 | 10.4 | 29.6 | 47.1 |
| %Mean | 134.5 | 103.7 | 63.4 | 52.9 | 61.8 | 63.5 |
| 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. |
