Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jun 12 2026 at 8:02 AM PDT |
| Prob | Jun* | Jul | Aug | Sep | Oct | Nov |
| 10% | 2.1 | 1.6 | 1.1 | 1.0 | 2.7 | 5.5 |
| 25% | 2.1 | 1.6 | 1.1 | 0.9 | 1.1 | 2.8 |
| 50% | 2.1 | 1.6 | 1.1 | 0.8 | 0.8 | 1.1 |
| 75% | 2.1 | 1.6 | 1.1 | 0.8 | 0.8 | 0.8 |
| 90% | 2.1 | 1.6 | 1.1 | 0.8 | 0.7 | 0.7 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Dec | Jan | Feb | Mar | Apr | May |
| 10% | 33.1 | 44.1 | 54.3 | 54.8 | 44.4 | 44.3 |
| 25% | 6.1 | 17.8 | 22.0 | 38.2 | 32.4 | 29.5 |
| 50% | 3.6 | 5.6 | 7.3 | 15.5 | 17.3 | 12.5 |
| 75% | 1.7 | 2.6 | 3.6 | 8.7 | 10.4 | 6.8 |
| 90% | 0.8 | 1.6 | 2.4 | 4.7 | 7.3 | 4.3 |
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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. |
