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Boating safety tips are available from the U.S. Coast Guard.

NOTE: Station Numbers for Iowa precipitation gages have changed (see list).


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USGS 06485950 BIG SIOUX RIVER AT SIOUX CITY, IA

PROVISIONAL DATA SUBJECT TO REVISION

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  This station is operated in cooperation with the:

City of North Sioux City

Big Sioux River Basin NAVD 88 Water Elevation Graphs
Big Sioux River Basin NAVD 88 Water Elevation Table
Big Sioux River Basin Gaging Station Map

The reference gage for this site, and associated flood stage, has been changed from the one used in 2014. The reference gage(from which river stage is deteremined) was decreased by 67 feet. The current flood stage is 32 ft.



The precipitation data for this station are temporary and will only be displayed for 120 days. Time series values will NOT be available for retrieval following the 120-day display period. Rainfall instrumentation may not be calibrated, and other quality assurance measures may not be performed that would make the data acceptable for archival, retrieval, or future use in general scientific or interpretive studies.
Boating safety tips
This station managed by the Huron Studies Office.

Available Parameters Available Period
  
2015-03-03  2022-08-09
2018-05-01  2022-08-09
2022-04-10  2022-08-09







 (7)
 

  -- or --

 


 

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


Discharge, cubic feet per second

Most recent instantaneous value: 919 08-09-2022   00:30 CDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Aug 9 based on 7 water years of record more
Min
(2015)
Most Recent
Instantaneous
Value Aug 9
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(2019)
720 919 941 1090 2260 4600 6020


Gage height, feet

Most recent instantaneous value: 10.33 08-09-2022   00:30 CDT
Graph of  Gage height, feet

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