Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Feb 12 2026 at 8:59 AM PST |
| Prob | Feb* | Mar | Apr | May | Jun | Jul |
| 10% | 23.3 | 83.1 | 99.5 | 118.6 | 59.1 | 12.2 |
| 25% | 20.7 | 62.1 | 88.0 | 99.3 | 35.9 | 8.8 |
| 50% | 18.0 | 50.5 | 71.6 | 59.7 | 21.5 | 4.8 |
| 75% | 15.4 | 41.4 | 59.6 | 33.2 | 9.5 | 3.8 |
| 90% | 14.4 | 35.9 | 46.0 | 26.2 | 7.2 | 3.3 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Aug | Sep | Oct | Nov | Dec | Jan |
| 10% | 3.7 | 3.6 | 15.6 | 19.6 | 59.2 | 33.8 |
| 25% | 3.3 | 2.8 | 4.2 | 8.1 | 13.9 | 23.5 |
| 50% | 2.7 | 2.0 | 2.8 | 4.6 | 6.1 | 12.3 |
| 75% | 2.4 | 1.8 | 2.3 | 3.2 | 4.1 | 5.8 |
| 90% | 2.2 | 1.6 | 2.0 | 2.6 | 2.9 | 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. |
