Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jul 04 2026 at 7:59 AM PDT |
| Prob | Jul* | Aug | Sep | Oct | Nov | Dec |
| 10% | 1.3 | 0.4 | 0.8 | 2.6 | 6.0 | 24.8 |
| 25% | 1.2 | 0.2 | 0.3 | 0.7 | 2.3 | 5.0 |
| 50% | 1.0 | 0.0 | 0.1 | 0.3 | 0.8 | 1.9 |
| 75% | 1.0 | 0.0 | 0.0 | 0.2 | 0.4 | 0.8 |
| 90% | 0.9 | 0.0 | 0.0 | 0.0 | 0.2 | 0.2 |
|
| Mean | 3.7 | 0.2 | 0.1 | 1.3 | 3.5 | 6.5 |
| %Mean | 27.0 | 0.0 | 100.0 | 23.1 | 22.9 | 29.2 |
| Prob | Jan | Feb | Mar | Apr | May | Jun |
| 10% | 18.0 | 26.5 | 38.0 | 46.1 | 77.0 | 50.6 |
| 25% | 6.2 | 9.5 | 23.3 | 39.7 | 54.7 | 28.8 |
| 50% | 3.2 | 4.8 | 12.2 | 24.2 | 31.5 | 12.9 |
| 75% | 1.2 | 2.6 | 6.9 | 15.5 | 18.5 | 5.1 |
| 90% | 0.6 | 1.7 | 4.7 | 9.9 | 8.0 | 2.9 |
|
| Mean | 7.5 | 9.3 | 17.2 | 27.2 | 31.5 | 17.0 |
| %Mean | 42.7 | 51.6 | 70.9 | 89.0 | 100.0 | 75.9 |
| 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. |
