Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jan 30 2026 at 7:20 AM PST |
| Prob | Jan* | Feb | Mar | Apr | May | Jun |
| 10% | 13.2 | 35.3 | 57.4 | 57.6 | 58.8 | 20.4 |
| 25% | 13.2 | 24.8 | 37.4 | 42.8 | 46.1 | 11.7 |
| 50% | 13.2 | 16.6 | 29.5 | 29.2 | 21.8 | 5.8 |
| 75% | 13.1 | 11.5 | 20.9 | 22.9 | 10.6 | 3.4 |
| 90% | 13.1 | 10.4 | 12.3 | 12.7 | 5.2 | 2.4 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Jul | Aug | Sep | Oct | Nov | Dec |
| 10% | 5.6 | 2.4 | 1.8 | 5.2 | 18.2 | 58.1 |
| 25% | 3.6 | 1.9 | 1.3 | 1.5 | 6.0 | 17.3 |
| 50% | 2.4 | 1.3 | 1.0 | 1.0 | 1.9 | 7.5 |
| 75% | 1.7 | 0.9 | 0.6 | 0.8 | 1.1 | 2.3 |
| 90% | 1.2 | 0.5 | 0.3 | 0.5 | 0.8 | 0.8 |
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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. |
