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Water-Year Summary for Site 14377100

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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
14377100 ILLINOIS RIVER NEAR KERBY, OR
LOCATION - Lat 42°13'55", long 123°39'45" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.29, T.38 S., R.8 W., Josephine County, OR, Hydrologic Unit 17100311, Siskiyou National Forest, on right bank, 1.6 mi upstream from Josephine Creek, 2.5 mi northwest of Kerby and at mile 50.3.
DRAINAGE AREA - 380 mi².
REVISIONS HISTORY - Revision: Annual maximum gage-height for water years 1987-1988 were revised on Dec. 6, 2023, based on further review of the annual peak gage-height record.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1961 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 1,198.80 ft above NGVD of 1929. Prior to Jan. 28, 1965, water-stage recorder and Jan. 28 to Sept. 30, 1965, nonrecording gage 700 ft downstream at datum 2.99 ft lower.
REMARKS - Flow affected at times by diversion at Pomeroy Dam. Diversions for irrigation upstream from station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 92,200 ft³/s Dec. 22, 1964, gage height, 45.28 ft, from floodmark, site and datum then in use, from rating curve extended above 30,000 ft³/s on basis of slope-area measurement of peak flow; minimum discharge, 11 ft³/s Sept. 4, 2014.