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Water-Year Summary for Site USGS 11278400

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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Available Parameters
00010 Temperature, water(Max.,Min.,Med.)  
00060 Discharge(Mean)  

Water year 2023: 2023-10-01 to 2024-09-30

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USGS Water-Year Summary 2023
11278400 Cherry Creek below Dion R. Holm Powerplant, near Mather, CA
LOCATION - Lat 37°53'25", long 119°58'08" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 sec.02, T.1 S., R.18 E., Tuolumne County, CA, Hydrologic Unit 18040009, Stanislaus National Forest, on left bank, 600 ft upstream from mouth, 0.5 mi downstream from power plant, 0.6 mi downstream from Granite Creek, 0.8 mi northwest of Early Intake, and 6.2 mi west of Mather.
DRAINAGE AREA - 234 mi².
PERIOD OF RECORD - March 1963 to current year. Prior to October 1965, published as "below Cherry Powerhouse."
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 2,133.50 ft above NGVD of 1929 (levels by city and county of San Francisco).
REMARKS - Flow regulated by Cherry Lake (station 11277200) 11 mi upstream and Lake Eleanor (station 11277500) 10 mi upstream. Flow diverted, at times, into Cherry Creek Canal (station 11278200) 2 mi upstream from station for domestic use and to supplement flow to Hetch Hetchy Aqueduct. See schematic diagram of Tuolumne River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 33,500 ft³/s, Jan. 2, 1997, gage height unknown, on basis of combined peak flow for Cherry Creek near Early Intake (station 11278300) and Dion R. Holm Powerplant, maximum gage height, 25.4 ft, Jan. 3, 1997, from floodmark caused by backwater from Tuolumne River; minimum daily, 1.6 ft³/s, June 4, 1977.

WATER TEMPERATURE: Water years May 2006 to current year.

INSTRUMENTATION - Water-temperature recorder since May 2006.
REMARKS - Water temperature is affected by regulation from Holm Powerhouse.