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Water-Year Summary for Site 11348500

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Available Parameters
00060 Discharge(Mean)  

Water year 2018: 2017-10-01 to 2018-09-30
 

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USGS Water-Year Summary 2018
11348500 Pit River near Canby, CA
LOCATION - Lat 41°24'22", long 120°55'36" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 sec.10, T.41 N., R.9 E., Modoc County, CA, Hydrologic Unit 18020002, on right bank, at lower end of Warm Spring Valley, 0.4 mi upstream from concrete highway bridge, and 3.9 mi southwest of Canby.
DRAINAGE AREA - 1,431 mi², excluding Goose Lake Basin.
SURFACE-WATER RECORDS
PERIOD OF RECORD - January 1904 to December 1905, May 1929 to current year (1929-31 incomplete). Monthly discharge only for February and March 1904 published in WSP 1315-A. CHEMICAL DATA: Water years 1951-79. WATER TEMPERATURE: Water years 1965-79. SEDIMENT DATA: Water years 1957-61, 1967-70.
REVISED RECORDS - WSP 1445: 1904, 1935 (instantaneous maximum discharge), 1936, 1937 (instantaneous maximum discharge). WSP 1931: Drainage area. WSP 1315-A, 1950: Monthly total.
GAGE - Water-stage recorder. Datum of gage is 4,266.00 ft above NGVD of 1929. January 1904 to December 1905, nonrecording gage and May 6, 1929, to Sept. 30, 1931, water-stage recorder, at site 100 ft upstream at different datum.
REMARKS - Records fair except for estimated daily discharges, and discharges below 2 ft³/s, which are poor. Low flow regulated by many small reservoirs, total capacity about 144,000 acre-ft. Diversions for irrigation of about 39,000 acres upstream from station. See schematic diagram of Pit River and McCloud River Basins available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge observed, 13,000 ft³/s, Mar. 8, 1904, gage height, 15.0 ft, site and datum then in use; no flow for several days in the 2000, 2002, 2003, 2014 and 2017 water years.