Monthly Streamflow Volume (1000s of Acre-Feet)
Data Updated: Jun 16 2025 at 6:39 AM PDT |
| Prob | Jun* | Jul | Aug | Sep | Oct | Nov |
| 10% | 548.5 | 175.4 | 69.8 | 46.7 | 206.4 | 298.4 |
| 25% | 545.2 | 162.1 | 64.0 | 39.4 | 60.2 | 121.9 |
| 50% | 539.3 | 156.5 | 62.4 | 34.2 | 35.0 | 74.3 |
| 75% | 535.4 | 151.6 | 61.4 | 33.1 | 29.1 | 35.7 |
| 90% | 529.0 | 145.5 | 60.7 | 32.3 | 25.6 | 29.6 |
|
| Mean | 1024.4 | 400.1 | 111.6 | 58.8 | 80.7 | 127.1 |
| %Mean | 52.6 | 39.1 | 55.9 | 58.2 | 43.4 | 58.5 |
| Prob | Dec | Jan | Feb | Mar | Apr | May |
| 10% | 718.1 | 1165.0 | 1160.0 | 1577.8 | 1384.9 | 2528.5 |
| 25% | 289.7 | 599.0 | 583.5 | 954.2 | 1145.2 | 1803.4 |
| 50% | 132.2 | 260.7 | 345.7 | 581.4 | 798.4 | 1255.8 |
| 75% | 58.9 | 99.9 | 166.2 | 363.0 | 590.2 | 737.6 |
| 90% | 36.1 | 72.0 | 107.5 | 283.7 | 505.7 | 557.0 |
|
| Mean | 264.3 | 447.0 | 487.6 | 695.4 | 924.0 | 1339.2 |
| %Mean | 50.0 | 58.3 | 70.9 | 83.6 | 86.4 | 93.8 |
| 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. |
