Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jul 24 2026 at 7:12 AM PDT |
| Prob | Jul* | Aug | Sep | Oct | Nov | Dec |
| 10% | 11.3 | 2.4 | 3.3 | 14.6 | 17.6 | 57.8 |
| 25% | 11.3 | 2.2 | 2.0 | 3.6 | 8.1 | 13.5 |
| 50% | 11.3 | 2.2 | 1.7 | 2.3 | 4.6 | 5.7 |
| 75% | 11.3 | 2.2 | 1.6 | 2.0 | 3.0 | 3.8 |
| 90% | 11.3 | 2.2 | 1.6 | 1.6 | 2.4 | 2.7 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Jan | Feb | Mar | Apr | May | Jun |
| 10% | 32.0 | 48.9 | 75.4 | 105.0 | 169.8 | 121.6 |
| 25% | 22.3 | 28.2 | 54.4 | 89.1 | 121.2 | 59.0 |
| 50% | 11.9 | 17.5 | 40.3 | 69.2 | 66.7 | 21.5 |
| 75% | 5.4 | 10.6 | 29.5 | 51.7 | 34.8 | 11.0 |
| 90% | 3.7 | 5.8 | 21.2 | 39.4 | 24.8 | 7.3 |
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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. |
