USGS Water-Year Summary for Site 09136100

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00045 Precipitation(Sum)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	00300 Dissolved oxygen(Min.,Max.,Mean)
	00400 pH(Max.,Med.,Min.)
	63680 Turbidity, Form Neph(Med.,Min.,Max.)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

09136100 NORTH FORK GUNNISON RIVER ABOVE MOUTH NEAR LAZEAR, CO

LOCATION - Lat 38°47'06.60", long 107°50'00.30" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 sec.06, T.15 S., R.93 W., Delta County, CO, Hydrologic Unit 14020004, on right bank 1,000 ft upstream of confluence with Gunnison River, and 2.7 mi northwest of Lazear.

DRAINAGE AREA - 969 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - April 2009 to current year.

GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 5,122 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 estimated daily discharges, which are poor. Water year 2017; records good except for estimated daily discharges, which are poor. Water year 2018; records good except for estimated daily discharges, which are poor. Water year 2019; records good except for 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 fair except for the period Apr. 24 to May 2, and estimated daily discharges, which are poor. Water year 2024; records good except for the period Oct. 1 to Nov. 8, which is fair, and estimated daily discharges, which are poor. Natural flow of stream affected by diversions for irrigation upstream from station, storage in Overland Reservoir, capacity, 6,280 acre-ft, and storage in Paonia Reservoir, capacity, 18,300 acre-ft.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - April 2019 to current year (seasonal records only).

INSTRUMENTATION - Tipping bucket rain gate with satellite telemetry. Elevation of gage is 5,122 ft above NGVD of 1929, from topographic map.

EXTREMES FOR PERIOD OF RECORD - (seasonal only) Maximum daily precipitation, 1.23 inches, Aug. 19, 2021.

REMARKS - Gage operated seasonally, April through September.