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% | 27.9 | 15.3 | 10.8 | 9.0 | 40.0 | 94.2 |
| 25% | 25.3 | 15.1 | 10.0 | 8.0 | 14.4 | 59.5 |
| 50% | 24.8 | 14.6 | 9.7 | 7.3 | 7.8 | 18.2 |
| 75% | 24.6 | 14.4 | 9.6 | 6.8 | 5.9 | 8.4 |
| 90% | 24.6 | 14.3 | 9.6 | 6.8 | 5.5 | 5.9 |
|
| Mean | 117.5 | 39.7 | 12.4 | 7.4 | 16.6 | 42.1 |
| %Mean | 21.1 | 36.8 | 78.2 | 98.6 | 47.0 | 43.2 |
| Prob | Dec | Jan | Feb | Mar | Apr | May |
| 10% | 270.8 | 281.1 | 322.9 | 397.4 | 290.9 | 434.0 |
| 25% | 144.4 | 177.6 | 207.6 | 209.9 | 253.0 | 323.2 |
| 50% | 52.1 | 108.9 | 126.2 | 180.2 | 219.2 | 224.2 |
| 75% | 21.9 | 51.6 | 71.4 | 130.9 | 146.9 | 130.7 |
| 90% | 10.4 | 26.1 | 51.0 | 86.0 | 119.9 | 50.5 |
|
| Mean | 84.9 | 121.9 | 134.6 | 176.5 | 200.6 | 214.7 |
| %Mean | 61.4 | 89.3 | 93.8 | 102.1 | 109.3 | 104.4 |
| 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. |
