Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Apr 11 2026 at 8:11 AM PDT |
| Prob | Apr* | May | Jun | Jul | Aug | Sep |
| 10% | 4.8 | 6.5 | 3.6 | 0.4 | 0.0 | 0.2 |
| 25% | 3.9 | 4.3 | 1.8 | 0.2 | 0.0 | 0.1 |
| 50% | 3.4 | 2.9 | 0.8 | 0.0 | 0.0 | 0.0 |
| 75% | 2.8 | 1.7 | 0.4 | 0.0 | 0.0 | 0.0 |
| 90% | 2.5 | 1.3 | 0.2 | 0.0 | 0.0 | 0.0 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Oct | Nov | Dec | Jan | Feb | Mar |
| 10% | 0.6 | 0.7 | 0.9 | 3.1 | 5.4 | 15.6 |
| 25% | 0.4 | 0.6 | 0.7 | 0.7 | 1.3 | 7.4 |
| 50% | 0.3 | 0.5 | 0.5 | 0.5 | 0.6 | 1.4 |
| 75% | 0.2 | 0.4 | 0.4 | 0.4 | 0.3 | 0.7 |
| 90% | 0.1 | 0.3 | 0.4 | 0.4 | 0.3 | 0.4 |
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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. |
