Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jun 07 2026 at 7:18 AM PDT |
| Prob | Jun* | Jul | Aug | Sep | Oct | Nov |
| 10% | 18.4 | 6.0 | 2.6 | 4.0 | 11.9 | 25.7 |
| 25% | 16.2 | 4.6 | 2.1 | 2.0 | 6.6 | 11.4 |
| 50% | 14.9 | 4.2 | 2.0 | 1.3 | 2.2 | 6.7 |
| 75% | 14.3 | 4.0 | 1.9 | 1.2 | 1.6 | 3.0 |
| 90% | 13.8 | 3.9 | 1.9 | 1.2 | 1.4 | 2.0 |
|
| Mean | 57.9 | 20.7 | 2.3 | 1.8 | 8.0 | 10.4 |
| %Mean | 25.7 | 20.3 | 87.0 | 72.2 | 27.5 | 64.4 |
| Prob | Dec | Jan | Feb | Mar | Apr | May |
| 10% | 39.0 | 28.7 | 35.7 | 44.0 | 66.7 | 125.2 |
| 25% | 16.5 | 20.0 | 21.3 | 37.6 | 54.1 | 101.9 |
| 50% | 7.8 | 11.7 | 13.6 | 24.1 | 46.6 | 75.8 |
| 75% | 4.6 | 6.8 | 9.5 | 19.5 | 35.7 | 54.2 |
| 90% | 2.3 | 4.6 | 5.6 | 16.0 | 29.9 | 47.1 |
|
| Mean | 15.7 | 20.8 | 20.5 | 32.1 | 52.8 | 79.1 |
| %Mean | 49.7 | 56.2 | 66.3 | 75.1 | 88.3 | 95.8 |
| 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. |
