Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jun 12 2026 at 7:50 AM PDT |
| Prob | Jun* | Jul | Aug | Sep | Oct | Nov |
| 10% | 21.6 | 14.7 | 12.1 | 12.0 | 23.8 | 67.0 |
| 25% | 21.3 | 14.2 | 11.8 | 11.2 | 13.2 | 40.5 |
| 50% | 21.2 | 14.1 | 11.5 | 10.9 | 11.5 | 16.2 |
| 75% | 21.2 | 14.0 | 11.5 | 10.6 | 10.8 | 11.1 |
| 90% | 21.2 | 13.9 | 11.4 | 10.5 | 10.5 | 10.4 |
|
| Mean | 49.2 | 21.5 | 14.9 | 13.4 | 18.5 | 33.3 |
| %Mean | 43.1 | 65.6 | 77.2 | 81.3 | 62.2 | 48.6 |
| Prob | Dec | Jan | Feb | Mar | Apr | May |
| 10% | 228.5 | 247.0 | 273.9 | 280.4 | 205.5 | 214.9 |
| 25% | 121.9 | 157.7 | 184.0 | 191.8 | 158.1 | 157.9 |
| 50% | 40.4 | 85.2 | 105.4 | 148.8 | 114.8 | 81.9 |
| 75% | 21.0 | 39.6 | 44.6 | 80.4 | 64.9 | 50.7 |
| 90% | 12.4 | 21.3 | 31.9 | 49.3 | 42.8 | 23.0 |
|
| Mean | 80.7 | 111.4 | 129.8 | 150.2 | 117.2 | 99.7 |
| %Mean | 50.1 | 76.5 | 81.2 | 99.1 | 98.0 | 82.1 |
| 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. |
