Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jun 28 2026 at 8:01 AM PDT |
| Prob | Jun* | Jul | Aug | Sep | Oct | Nov |
| 10% | 49.2 | 10.7 | 5.7 | 5.5 | 31.8 | 52.1 |
| 25% | 49.2 | 10.6 | 5.3 | 3.8 | 5.8 | 19.5 |
| 50% | 49.2 | 10.5 | 5.2 | 3.2 | 3.4 | 10.1 |
| 75% | 49.2 | 10.5 | 5.1 | 3.1 | 3.0 | 4.3 |
| 90% | 49.2 | 10.4 | 5.1 | 3.1 | 2.3 | 3.1 |
|
| Mean | 162.5 | 60.2 | 20.5 | 14.5 | 19.6 | 27.5 |
| %Mean | 30.3 | 17.4 | 25.4 | 22.1 | 17.3 | 36.7 |
| Prob | Dec | Jan | Feb | Mar | Apr | May |
| 10% | 173.7 | 203.5 | 258.8 | 339.0 | 323.7 | 505.8 |
| 25% | 62.2 | 103.2 | 131.3 | 204.1 | 269.3 | 368.3 |
| 50% | 20.6 | 44.7 | 73.2 | 134.6 | 186.5 | 215.7 |
| 75% | 8.4 | 18.3 | 29.2 | 83.9 | 140.3 | 132.3 |
| 90% | 4.2 | 12.6 | 21.6 | 63.8 | 109.2 | 106.5 |
|
| Mean | 63.4 | 100.1 | 114.7 | 156.6 | 198.5 | 248.4 |
| %Mean | 32.5 | 44.7 | 63.8 | 86.0 | 94.0 | 86.8 |
| 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. |
