USGS Water-Year Summary 2022
07231500 CANADIAN RIVER AT CALVIN, OK
LOCATION - Lat 34°58'40", long 96°14'36" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 sec.22, T.6 N., R.10 E., Hughes County, OK, Hydrologic Unit 11090202, on downstream left bank at north end of bridge on U.S. Highway 75, 0.5 mi northeast of Calvin, 2.6 mi upstream from Shawnee Creek, 8.4 mi downstream from Little River, and at mile 94.1.
DRAINAGE AREA - 27,417 mi² of which 4,637 mi² probably is noncontributing. from automated delineation using 10-meter National Elevation Dataset digital elevation model data dated 10/01/2006 and Watershed Boundary Dataset dated 10/01/2006, using Albers Equal-Area Projection, North American Datum 1983.
- WSP 1341: Drainage area. WSP 1391: 1941. WRD-OK-97-1: 1996. WDR 2012: Drainage area. Gage Datum-10/29/2019: 2015-2019.
PERIOD OF RECORD - January 1905 to December 1908 (gage heights and discharge measurements only, except for period July 1905 to December 1906), October 1938 to September 1942, July 1944 to current year. Monthly discharge only for some periods, published in WSP 1311. Gage-height records collected in this vicinity since 1904 are contained in reports of National Weather Service.
GAGE - Water-stage recorder. Datum of gage is 683.16 above NAVD of 1988 determined by GNSS Level II Survey using Alltera network with RTK Trimble R-10 tied to RM-7 by USGS Personnel on 07-29-2019. Prior to 07-29-2019 Datum of gage was 677.72 ft above NGVD of 1929. From Aug. 3, 2015 to Nov. 16, 1988 to, water stage recorder at present site and at datum 5.00 ft higher. From Nov. 15, 1988 to Aug. 1, 1977, water-stage recorder 0.2 mi downstream and at datum 5.00 ft higher. From July 31,1977 to Aug. 13, 1944 to, water-stage recorder at a site 0.2 mi downstream and at datum 7.00 ft higher. From Aug. 12, 1944 to Oct. 1, 1938 nonrecording gage at site 0.2 mi downstream and at datum 9.00 higher. From December 1908 to January 1905, a nonrecording gage at a site 0.7 mi upstream at datum 9.00 ft higher.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 174,000 cfs, May 11, 1950. Maximum gage height, 21.00 ft, Aug. 7, 1906, from floodmark, site and datum then in use. Minimum Discharge, no flow at times.