Ruby River

Streamflow Hydrology Weather


Ruby River Levels

June 13 2024

1,932 ACRE-FT

Discharge Volume Today
-128.0 cfs (-11.62%) since yesterday
96.52% of Normal 3 Streamgauges

Total streamflow across the Ruby River was last observed at 974 cfs, and is expected to yield approximately 1,932 acre-ft of water today; about 97% of normal. Average streamflow for this time of year is 1,009 cfs, with recent peaks last observed on 2011-07-01 when daily discharge volume was observed at 3,719 cfs.

Maximum discharge along the river is currently at the Ruby River Bl Reservoir Nr Alder Mt reporting a streamflow rate of 511 cfs. This is also the highest stage along the Ruby River, with a gauge stage of 4.1 ft at this location. This river is monitored from 3 different streamgauging stations along the Ruby River, the highest being situated at an altitude of 5,410 ft, the Ruby River Ab Reservoir Nr Alder Mt.

Last Updated 2024-06-13
Streamflow 974.0 cfs
Percent of Normal 96.52%
Maximum 3,719.0 cfs
2011-07-01

About the ruby river


The Ruby River is a tributary of the Jefferson River, which eventually flows into the Missouri River. It is around 76 miles long and is located in southwestern Montana. The river was named after the garnets found in the area, which are a deep red color, like the precious stone. The river has a substantial flow and is used for irrigation of crops and pastures, as well as for recreational activities such as fishing, rafting, and kayaking. There are several reservoirs and dams along the river, including Ruby Reservoir, which was built in the 1930s to provide irrigation water for local farmers. The river has a rich history, as it was once home to Native American tribes and was an important site for fur trading in the 1800s.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Ruby River Ab Reservoir Nr Alder Mt
USGS 06019500
463 cfs 3.97 ft -12.31
Ruby River Bl Reservoir Nr Alder Mt
USGS 06020600
511 cfs 4.1 ft -10.98
Ruby River Near Twin Bridges Mt
USGS 06023000
450 cfs 3.75 ft -13.29

Peak Annual Discharge

Ruby River Maximum Total Discharge

Seasonal Comparison

Ruby River Year Over Year Discharge


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