Click
to
hide
Water-Year
Summary
instructions
and
information
- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
05411500 Mississippi River at Clayton, IA
LOCATION - Lat 42°54'13", long 91°08'42" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 NW 1/4 sec.01, T.93 N., R.3 W., Clayton County, IA, Hydrologic Unit 07060003, 200 ft downstream from public boat landing in Clayton, 6.0 mi downstream from the Wisconsin River, and 624.8 mi upstream from the Ohio River.
DRAINAGE AREA - 79,200 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records from April 1930 to June 1936; stage-only records from January 1992 to current year.
GAGE - Water-stage recorder. Datum of gage is 599.40 ft above NAVD of 1988. From RTK elevation check ran in 2018.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IA Water Science Center.
