USGS 06019500 Ruby River above reservoir near Alder, MT

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
Flood Tracking - Stage Flood Tracking - Discharge Gage-height Corrections Base Rating Shifted Rating
(About shift-adjusted ratings).
Station operated by the USGS Wyoming-Montana Water Science Center in cooperation with Montana Department of Natural Resources and Conservation and the USGS Cooperative Matching Funds program.
Leaving USGS: U.S. Coast Guard boating safety tips.
This station managed by the Helena Field Unit.

Available Parameters Available Period
  
1990-10-01  2025-12-18
2007-10-01  2025-12-18







 (7)
 
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Summary of all available data for this site
Instantaneous-data availability statement

Discharge, cubic feet per second
Most recent instantaneous value: 101 12-18-2025   15:45 MST
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Dec 18 based on 86 water years of record more
Min
(2023)		 25th
percen-
tile		 Most Recent
Instantaneous
Value Dec 18		 Median Mean 75th
percen-
tile		 Max
(1973)
69.6 98 101 106 107 115 180