Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Feb 06 2026 at 7:49 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 22.2 | 45.2 | 61.8 | 105.3 | 96.9 | 37.4 |
| 25% | 19.2 | 37.7 | 55.3 | 84.0 | 61.6 | 19.2 |
| 50% | 16.5 | 29.1 | 44.0 | 64.7 | 34.0 | 8.1 |
| 75% | 13.7 | 23.7 | 36.3 | 47.9 | 19.4 | 4.7 |
| 90% | 12.3 | 20.9 | 30.5 | 36.9 | 14.8 | 3.5 |
|
| Mean | 20.5 | 32.1 | 52.8 | 79.1 | 57.9 | 20.7 |
| %Mean | 80.5 | 90.7 | 83.3 | 81.8 | 58.7 | 39.1 |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 6.9 | 6.1 | 13.1 | 26.3 | 39.5 | 28.4 |
| 25% | 4.3 | 2.8 | 6.7 | 11.1 | 16.7 | 20.9 |
| 50% | 2.7 | 1.9 | 2.8 | 7.0 | 8.8 | 12.3 |
| 75% | 1.9 | 1.3 | 1.9 | 3.4 | 5.2 | 6.8 |
| 90% | 1.6 | 0.9 | 1.4 | 2.2 | 2.6 | 4.8 |
|
| Mean | 2.3 | 1.8 | 8.0 | 10.4 | 15.7 | 20.8 |
| %Mean | 117.4 | 105.6 | 35.0 | 67.3 | 56.1 | 59.1 |
| 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. |
