Three Rivers Ranch
Three Rivers Ranch is a fishing guide service based in Ashton, Idaho.
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Around Three Rivers Ranch
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
Typical flow by month
1994 to 2026
The water at Three Rivers Ranch typically runs highest in May, at a median 2,110 cfs, and lowest in February, at 440 cfs. The highest flow on record for any single day is 5,990 cfs, in 2011.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 458 | 417 to 500 |
| February | 440 | 403 to 488 |
| March | 457 | 413 to 492 |
| April | 688 | 542 to 956 |
| May | 2,110 | 1,670 to 2,660 |
| June | 1,935 | 1,220 to 2,535 |
| July | 559 | 455 to 893 |
| August | 547 | 443 to 656 |
| September | 527 | 443 to 618 |
| October | 536 | 478 to 601 |
| November | 532 | 477 to 598 |
| December | 482 | 440 to 547 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 32 years of record. Statistics published by the US Geological Survey for Fall River near Ashton ID (site 13047600). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Current conditions
Today · Fri
87Go/ 100
FogHigh 43°F, low 27°FRain 1%Wind 6 kt, gusts 7
Streamflow
450 cfs
Much below normal (10th)
Water level
4.09 ft
Air quality
0 Good
Yellowstone- Old Faithful Snow Lodge monitor, 48 km
Forecast from Open-Meteo global models (NOAA & ECMWF). Air quality: National Park Service via EPA AirNow. Preliminary data, not verified. See full conditions →
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