USGS Water-Year Summary 2020
05472500 North Skunk River near Sigourney, IA
LOCATION - Lat 41°18'03", long 92°12'16" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 SE 1/4 sec.14, T.75 N., R.12 W., Keokuk County, IA, Hydrologic Unit 07080106, on right bank 10 ft downstream from bridge on State Highway 149, 2.2 mi south of Sigourney, 1.2 mi downstream from Cedar Creek, 4.0 mi upstream from Bridge Creek, 19.6 mi upstream from confluence with South Skunk River, and 114.3 mi upstream from mouth of Skunk River.
DRAINAGE AREA - 730 mi².
- WSP 1438: Drainage area. WSP 1558: 1946-1947(M).
PERIOD OF RECORD - Discharge records from October 1945 to current year.
GAGE - Water stage recorder. Datum of gage is 651.53 ft above National Geodetic Vertical Datum of 1929. Prior to June 10, 1953, non-recording gage at same site and datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in May 1944 reached a stage of about 22.8 ft, from high-water mark, discharge 14,500 ft³/s.
PERIOD OF RECORD - Water year 2008.