Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jan 29 2026 at 8:21 AM PST |
| Prob | Jan* | Feb | Mar | Apr | May | Jun |
| 10% | 13.6 | 37.2 | 58.0 | 57.7 | 59.0 | 20.2 |
| 25% | 13.6 | 25.2 | 37.6 | 42.5 | 46.2 | 12.0 |
| 50% | 13.5 | 16.0 | 29.5 | 30.7 | 22.8 | 5.8 |
| 75% | 13.5 | 12.0 | 20.9 | 23.0 | 10.6 | 3.4 |
| 90% | 13.5 | 10.3 | 13.0 | 12.7 | 5.5 | 2.4 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Jul | Aug | Sep | Oct | Nov | Dec |
| 10% | 5.7 | 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 | 0.9 |
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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. |
