Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Aug 09 2026 at 7:39 AM PDT |
| Prob | Aug* | Sep | Oct | Nov | Dec | Jan |
| 10% | 10.8 | 8.1 | 9.5 | 11.8 | 13.7 | 23.3 |
| 25% | 9.5 | 7.3 | 7.1 | 8.3 | 9.1 | 13.3 |
| 50% | 9.3 | 6.9 | 6.4 | 7.1 | 7.6 | 8.0 |
| 75% | 9.1 | 6.7 | 6.0 | 6.1 | 6.2 | 6.1 |
| 90% | 9.0 | 6.7 | 5.8 | 5.7 | 5.4 | 5.1 |
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| Mean | + | + | + | + | + | + |
| %Mean | + | + | + | + | + | + |
| Prob | Feb | Mar | Apr | May | Jun | Jul |
| 10% | 25.6 | 49.6 | 91.4 | 219.5 | 269.8 | 185.9 |
| 25% | 16.7 | 32.8 | 71.0 | 172.8 | 203.4 | 91.8 |
| 50% | 9.9 | 22.9 | 53.4 | 107.5 | 69.3 | 24.4 |
| 75% | 6.8 | 16.3 | 39.0 | 80.0 | 35.6 | 14.6 |
| 90% | 5.4 | 12.7 | 29.5 | 43.4 | 12.3 | 7.4 |
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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. |
