Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Feb 16 2026 at 9:38 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 775.6 | 1613.7 | 1517.8 | 2237.3 | 1823.0 | 817.0 |
| 25% | 656.7 | 1199.2 | 1325.3 | 1796.3 | 1218.3 | 471.7 |
| 50% | 522.0 | 888.5 | 1169.6 | 1444.3 | 916.3 | 262.7 |
| 75% | 424.4 | 775.7 | 1010.8 | 1064.5 | 545.7 | 176.4 |
| 90% | 392.2 | 613.2 | 815.3 | 942.0 | 429.0 | 125.3 |
|
| Mean | 488.0 | 694.3 | 923.4 | 1334.1 | 1012.2 | 392.2 |
| %Mean | 107.0 | 128.0 | 126.7 | 108.3 | 90.5 | 67.0 |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 253.6 | 115.0 | 215.7 | 287.9 | 711.5 | 911.3 |
| 25% | 135.5 | 65.6 | 74.6 | 125.3 | 284.6 | 495.1 |
| 50% | 84.4 | 53.5 | 49.1 | 73.9 | 125.8 | 247.8 |
| 75% | 68.3 | 39.1 | 34.1 | 50.6 | 65.9 | 110.8 |
| 90% | 55.9 | 29.7 | 26.5 | 38.4 | 48.0 | 81.6 |
|
| Mean | 109.9 | 58.8 | 80.9 | 125.7 | 261.1 | 439.1 |
| %Mean | 76.8 | 91.0 | 60.7 | 58.8 | 48.2 | 56.4 |
| 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. |
