Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Feb 16 2026 at 8:55 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 8.5 | 33.2 | 35.4 | 47.5 | 28.7 | 7.8 |
| 25% | 6.7 | 22.6 | 27.7 | 34.5 | 15.3 | 3.3 |
| 50% | 5.6 | 16.2 | 22.7 | 26.8 | 8.3 | 2.4 |
| 75% | 4.7 | 12.2 | 19.8 | 15.1 | 4.4 | 1.6 |
| 90% | 3.9 | 9.9 | 16.0 | 9.9 | 2.8 | 1.2 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 2.2 | 1.2 | 4.0 | 9.6 | 33.3 | 24.3 |
| 25% | 1.4 | 0.8 | 0.9 | 3.6 | 10.0 | 15.0 |
| 50% | 1.1 | 0.6 | 0.7 | 1.2 | 3.7 | 4.3 |
| 75% | 0.8 | 0.5 | 0.5 | 0.7 | 1.2 | 1.9 |
| 90% | 0.6 | 0.3 | 0.4 | 0.5 | 0.5 | 0.7 |
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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. |
