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Water-Year Summary for Site 12464800

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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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
12464800 COAL CREEK AT MOHLER, WA
LOCATION - Lat 47°24'25", long 118°19'04" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.07, T.22 N., R.36 E., Lincoln County, WA, Hydrologic Unit 17020013, on left bank 25 ft upstream from bridge on county road, 0.3 mi east of Mohler, and 15 mi upstream from mouth.
DRAINAGE AREA - 64.7 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 1963 to September 1974, 1975 to 1979 (annual maximums), October 2002 to current year.
GAGE - Water-stage recorder. Datum of gage is 2,000 ft above NGVD of 1929 (from topo map), and 1,993.75 ft above NAVD of 1988 (USGS GNSS II, Sept. 7, 2021).
REMARKS - No known regulation. Some diversion for irrigation above station.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Feb. 3, 1963, reached a stage of 4.42 ft, discharge, 1,060 ft³/s, computed by slope-area measurement.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 755 ft³/s, Feb. 11, 2007, gage height, 3.86 ft; no flow for long periods most years.