Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Feb 18 2026 at 8:56 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 22.8 | 50.3 | 46.9 | 66.6 | 43.2 | 17.4 |
| 25% | 18.7 | 35.5 | 40.0 | 48.6 | 29.0 | 9.4 |
| 50% | 13.8 | 26.2 | 30.8 | 35.2 | 15.5 | 4.1 |
| 75% | 11.6 | 21.5 | 26.4 | 26.0 | 12.5 | 3.2 |
| 90% | 10.6 | 16.7 | 22.5 | 22.1 | 9.4 | 2.7 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 3.6 | 3.0 | 8.7 | 19.5 | 36.8 | 31.5 |
| 25% | 1.7 | 0.9 | 3.5 | 8.2 | 14.7 | 17.2 |
| 50% | 0.8 | 0.4 | 1.0 | 3.7 | 5.7 | 10.0 |
| 75% | 0.5 | 0.2 | 0.4 | 1.5 | 2.5 | 4.6 |
| 90% | 0.4 | 0.1 | 0.3 | 0.6 | 1.0 | 3.3 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| 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. |
