Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Aug 06 2026 at 7:46 AM PDT |
| Prob | Aug* | Sep | Oct | Nov | Dec | Jan |
| 10% | 1.7 | 1.3 | 8.5 | 19.2 | 36.7 | 31.5 |
| 25% | 1.7 | 0.4 | 2.5 | 8.2 | 14.4 | 17.4 |
| 50% | 1.7 | 0.1 | 0.6 | 3.5 | 5.6 | 9.9 |
| 75% | 1.7 | 0.0 | 0.3 | 1.1 | 2.3 | 4.6 |
| 90% | 1.7 | 0.0 | 0.0 | 0.6 | 0.9 | 3.2 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Feb | Mar | Apr | May | Jun | Jul |
| 10% | 33.3 | 43.1 | 53.4 | 79.9 | 74.9 | 36.9 |
| 25% | 18.2 | 29.6 | 42.6 | 57.0 | 41.5 | 12.7 |
| 50% | 11.9 | 20.9 | 30.9 | 39.7 | 19.4 | 5.1 |
| 75% | 7.8 | 16.3 | 26.1 | 24.5 | 9.4 | 2.3 |
| 90% | 3.8 | 13.3 | 21.3 | 18.1 | 6.0 | 1.4 |
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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. |
