Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jul 08 2026 at 8:19 AM PDT |
| Prob | Jul* | Aug | Sep | Oct | Nov | Dec |
| 10% | 2.9 | 1.6 | 1.7 | 3.4 | 4.4 | 9.0 |
| 25% | 2.5 | 1.5 | 1.5 | 2.2 | 3.5 | 4.5 |
| 50% | 2.1 | 1.3 | 1.4 | 1.6 | 3.0 | 3.2 |
| 75% | 2.0 | 1.3 | 1.3 | 1.4 | 2.3 | 2.6 |
| 90% | 1.9 | 1.3 | 1.3 | 1.3 | 1.7 | 2.4 |
|
| Mean | 15.3 | 6.5 | 4.6 | 4.9 | 5.3 | 5.8 |
| %Mean | 13.7 | 20.0 | 30.4 | 32.7 | 56.6 | 55.2 |
| Prob | Jan | Feb | Mar | Apr | May | Jun |
| 10% | 7.7 | 10.3 | 17.0 | 21.6 | 35.7 | 57.8 |
| 25% | 4.8 | 6.0 | 10.9 | 11.4 | 19.0 | 37.9 |
| 50% | 3.1 | 3.3 | 5.5 | 4.7 | 11.9 | 17.0 |
| 75% | 2.5 | 2.6 | 2.4 | 2.4 | 7.0 | 6.7 |
| 90% | 2.1 | 1.9 | 1.6 | 2.0 | 3.0 | 2.7 |
|
| Mean | 7.0 | 7.1 | 8.9 | 8.5 | 16.9 | 23.5 |
| %Mean | 44.3 | 46.5 | 61.8 | 55.3 | 70.4 | 72.3 |
| 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. |
