Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jun 08 2026 at 7:20 AM PDT |
| Prob | Jun* | Jul | Aug | Sep | Oct | Nov |
| 10% | 3.5 | 2.2 | 1.9 | 1.7 | 7.0 | 25.5 |
| 25% | 3.5 | 2.1 | 1.8 | 1.7 | 2.3 | 11.4 |
| 50% | 3.5 | 2.1 | 1.8 | 1.6 | 1.7 | 4.6 |
| 75% | 3.5 | 2.1 | 1.8 | 1.6 | 1.6 | 1.6 |
| 90% | 3.4 | 2.1 | 1.8 | 1.6 | 1.6 | 1.5 |
|
| Mean | 28.6 | 7.9 | 3.1 | 2.3 | 4.2 | 8.9 |
| %Mean | 12.2 | 26.6 | 58.1 | 69.6 | 40.5 | 51.7 |
| Prob | Dec | Jan | Feb | Mar | Apr | May |
| 10% | 56.5 | 51.1 | 59.4 | 88.4 | 76.9 | 115.6 |
| 25% | 28.1 | 37.1 | 43.1 | 51.0 | 68.7 | 92.7 |
| 50% | 10.9 | 21.4 | 24.1 | 38.3 | 59.0 | 56.0 |
| 75% | 5.4 | 10.5 | 12.1 | 28.9 | 41.6 | 32.3 |
| 90% | 2.9 | 5.8 | 10.1 | 19.2 | 29.1 | 12.1 |
|
| Mean | 19.6 | 25.1 | 30.7 | 43.5 | 53.6 | 60.1 |
| %Mean | 55.6 | 85.3 | 78.5 | 88.0 | 110.1 | 93.2 |
| 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. |
