Monthly Streamflow Volume (1000s of Acre-Feet) Data Updated: Feb 06 2026 at 7:49 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 35.1 | 76.6 | 99.5 | 112.7 | 46.7 | 10.0 |
| 25% | 27.6 | 59.0 | 81.0 | 87.7 | 32.4 | 6.5 |
| 50% | 21.6 | 47.9 | 62.4 | 49.3 | 14.2 | 4.2 |
| 75% | 18.0 | 36.3 | 49.6 | 26.6 | 6.9 | 3.4 |
| 90% | 15.2 | 32.4 | 35.8 | 18.6 | 6.1 | 3.1 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 3.6 | 3.5 | 15.1 | 18.7 | 58.3 | 33.0 |
| 25% | 3.0 | 2.7 | 4.1 | 7.9 | 13.7 | 23.1 |
| 50% | 2.5 | 1.9 | 2.7 | 4.6 | 6.0 | 12.2 |
| 75% | 2.2 | 1.7 | 2.3 | 3.2 | 4.0 | 5.7 |
| 90% | 2.0 | 1.5 | 1.9 | 2.5 | 2.8 | 3.8 |
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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. |