Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Feb 17 2026 at 9:02 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 3958.5 | 7692.8 | 5814.5 | 5916.9 | 3598.0 | 1564.8 |
| 25% | 3168.1 | 5217.5 | 4335.5 | 4498.8 | 2528.5 | 1048.4 |
| 50% | 2573.4 | 4280.4 | 3489.5 | 3441.4 | 1701.9 | 744.3 |
| 75% | 2238.9 | 3235.2 | 3025.1 | 2439.6 | 1222.8 | 635.2 |
| 90% | 2142.5 | 2529.7 | 2397.8 | 1985.8 | 1014.5 | 529.6 |
|
| Mean | 3028.7 | 3655.6 | 3281.1 | 3324.7 | 2116.0 | 910.6 |
| %Mean | 85.0 | 117.1 | 106.4 | 103.5 | 80.4 | 81.7 |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 776.4 | 568.8 | 881.5 | 1589.8 | 5417.6 | 6086.4 |
| 25% | 588.4 | 477.0 | 519.2 | 1033.8 | 2834.2 | 3103.0 |
| 50% | 490.1 | 430.6 | 439.1 | 563.6 | 1224.2 | 2056.2 |
| 75% | 435.9 | 372.3 | 388.4 | 458.5 | 661.5 | 903.5 |
| 90% | 387.3 | 349.6 | 342.2 | 391.0 | 452.5 | 739.3 |
|
| Mean | 479.4 | 432.6 | 549.6 | 905.8 | 1988.3 | 2636.9 |
| %Mean | 102.2 | 99.5 | 79.9 | 62.2 | 61.6 | 78.0 |
| 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. |
