Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Feb 04 2026 at 8:02 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 6.7 | 12.7 | 20.2 | 25.9 | 11.8 | 2.5 |
| 25% | 5.0 | 9.6 | 15.8 | 18.8 | 6.0 | 1.4 |
| 50% | 4.1 | 7.7 | 13.5 | 11.0 | 3.6 | 0.5 |
| 75% | 3.1 | 5.9 | 10.5 | 6.2 | 1.4 | 0.2 |
| 90% | 2.6 | 4.6 | 7.3 | 4.0 | 1.1 | 0.2 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 0.3 | 0.5 | 2.8 | 3.2 | 6.0 | 3.4 |
| 25% | 0.2 | 0.2 | 0.5 | 1.2 | 1.6 | 1.0 |
| 50% | 0.1 | 0.0 | 0.2 | 0.5 | 0.4 | 0.6 |
| 75% | 0.0 | 0.0 | 0.1 | 0.2 | 0.3 | 0.3 |
| 90% | 0.0 | 0.0 | 0.1 | 0.2 | 0.2 | 0.2 |
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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. |
