Monthly Streamflow Volume (1000s of Acre-Feet) Data Updated: Feb 13 2026 at 8:55 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 150.8 | 366.6 | 272.4 | 344.4 | 272.5 | 120.6 |
| 25% | 124.9 | 240.8 | 231.9 | 285.3 | 168.9 | 46.9 |
| 50% | 97.1 | 175.6 | 199.0 | 203.9 | 97.7 | 31.1 |
| 75% | 74.1 | 133.6 | 175.4 | 154.3 | 65.4 | 17.7 |
| 90% | 56.4 | 113.6 | 126.8 | 131.5 | 49.1 | 14.0 |
|
| Mean | 91.6 | 124.8 | 162.5 | 230.5 | 159.3 | 57.5 |
| %Mean | 106.0 | 140.7 | 122.5 | 88.5 | 61.3 | 54.1 |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 24.4 | 9.7 | 22.9 | 47.1 | 142.2 | 212.5 |
| 25% | 11.8 | 6.0 | 8.3 | 15.8 | 53.7 | 101.5 |
| 50% | 7.9 | 4.5 | 5.4 | 8.7 | 20.3 | 41.9 |
| 75% | 6.3 | 3.6 | 3.2 | 5.8 | 8.5 | 18.3 |
| 90% | 5.6 | 3.2 | 2.6 | 4.3 | 5.9 | 10.7 |
|
| Mean | 12.6 | 6.6 | 9.3 | 17.4 | 42.1 | 83.6 |
| %Mean | 62.7 | 68.2 | 58.1 | 50.0 | 48.2 | 50.1 |
| 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. |