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

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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. Datum of gage is 5,104.98 ft above NAVD of 1988, from GNSS survey. Prior to Feb. 25, 2022, the elevation of gage was reported as 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. Datum of gage is 5,104.98 ft above NAVD of 1988, from GNSS survey.

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

REMARKS - Gage operated seasonally, April through September.