Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jun 06 2026 at 7:51 AM PDT |
| Prob | Jun* | Jul | Aug | Sep | Oct | Nov |
| 10% | 7.9 | 4.3 | 2.8 | 2.3 | 8.4 | 29.8 |
| 25% | 7.4 | 4.2 | 2.6 | 1.9 | 3.1 | 17.3 |
| 50% | 7.2 | 4.1 | 2.5 | 1.6 | 1.8 | 4.8 |
| 75% | 7.1 | 4.0 | 2.5 | 1.5 | 1.1 | 1.7 |
| 90% | 7.1 | 4.0 | 2.5 | 1.4 | 1.0 | 1.1 |
|
| Mean | 9.4 | 4.2 | 2.9 | 2.7 | 4.1 | 10.4 |
| %Mean | 76.6 | 97.6 | 86.2 | 59.3 | 43.9 | 46.2 |
| Prob | Dec | Jan | Feb | Mar | Apr | May |
| 10% | 81.0 | 99.2 | 133.3 | 108.8 | 73.9 | 42.7 |
| 25% | 47.7 | 60.0 | 72.4 | 78.7 | 51.5 | 29.4 |
| 50% | 17.8 | 28.8 | 34.5 | 50.8 | 21.6 | 13.9 |
| 75% | 8.6 | 12.8 | 12.9 | 16.5 | 12.6 | 6.5 |
| 90% | 1.8 | 6.5 | 7.2 | 8.8 | 6.2 | 4.5 |
|
| Mean | 29.6 | 47.1 | 57.8 | 59.1 | 35.8 | 21.0 |
| %Mean | 60.1 | 61.1 | 59.7 | 86.0 | 60.3 | 66.2 |
| 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. |
