USGS Water-Year Summary for Site 09034900

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	Available Parameters
	00045 Precipitation(Sum)
	00060 Discharge(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

09034900 BOBTAIL CREEK NEAR JONES PASS, CO

LOCATION - Lat 39°45'37", long 105°54'21" referenced to North American Datum of 1927, in sec.28, T.3 S., R.76 W., Grand County, CO, Hydrologic Unit 14010001, on left bank 320 ft upstream from diversion dam, and 0.4 mi south of entrance to August P. Gumlick Tunnel.

DRAINAGE AREA - 5.60 mi².

REVISIONS HISTORY - WDR-US-2011: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - October 1965 to current year.

GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 10,430 ft above NGVD of 1929, from topographic map.

REMARKS - Water year 2014; records good except for estimated daily discharges, which are poor. Water year 2015; records good except for estimated daily discharges, which are poor. Water year 2016; records good except for the period Oct. 28 to July 28, which is fair, and estimated daily discharges, which are poor. Water year 2017; records good except for flows above 50 ft³/s, which are fair, and estimated daily discharges, which are poor. Water year 2018; records good except for flows above 50 ft³/s, which are fair, and estimated daily discharges, which are poor. Water year 2019; records good except for the period June 26 to July 9, which is fair, and estimated daily discharges, which are poor. Water year 2020; records good except for estimated daily discharges, which are poor. Water year 2021; records good except for estimated daily discharges, which are poor. Water year 2022; records good except for estimated daily discharges, which are poor. Water year 2023; records good except for estimated daily discharges, which are poor. No diversion upstream from station.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - April 2022 to current year (seasonal records only).

INSTRUMENTATION - Tipping-bucket rain gage with satellite telemetry. Elevation of gage is 10,430 ft above NGVD of 1929, from topographic map.

EXTREMES FOR PERIOD OF RECORD - (seasonal only) Maximum daily precipitation, 1.44 inches, Aug. 24, 2023.

REMARKS - Gage operated seasonally, April through September.