Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Apr 07 2026 at 7:41 AM PDT |
| Prob | Apr* | May | Jun | Jul | Aug | Sep |
| 10% | 42.9 | 33.8 | 9.4 | 3.0 | 1.6 | 1.2 |
| 25% | 36.0 | 16.2 | 5.4 | 2.4 | 1.2 | 1.0 |
| 50% | 27.3 | 11.5 | 3.6 | 1.8 | 1.0 | 0.7 |
| 75% | 23.4 | 8.8 | 3.1 | 1.6 | 0.9 | 0.6 |
| 90% | 17.9 | 7.1 | 2.7 | 1.5 | 0.8 | 0.4 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Oct | Nov | Dec | Jan | Feb | Mar |
| 10% | 4.8 | 17.3 | 58.0 | 42.2 | 55.2 | 64.8 |
| 25% | 1.3 | 5.9 | 17.0 | 25.6 | 29.4 | 39.3 |
| 50% | 0.9 | 1.7 | 6.8 | 10.3 | 15.4 | 29.5 |
| 75% | 0.7 | 1.0 | 2.1 | 3.6 | 6.1 | 20.7 |
| 90% | 0.5 | 0.8 | 0.8 | 1.4 | 3.1 | 12.8 |
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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. |
