USGS Water-Year Summary for Site 09129600

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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

09129600 SMITH FORK NEAR LAZEAR, CO

LOCATION - Lat 38°42'26.8", long 107°42'36.5" referenced to North American Datum of 1983, in SE 1/4 NE 1/4 sec.31, T.15 S., R.92 W., Delta County, CO, Hydrologic Unit 14020002, on left bank downstream side of bridge, 1.8 mi upstream from Diamond Joe Gulch, and 6.4 mi southeast of Lazear.

DRAINAGE AREA - 167 mi².

REVISIONS HISTORY - WDR CO-85-2: 1984, 1984 (M). WDR-US-2012: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - June 1976 to October 1987, April 2012 to current year (seasonal records only).

GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 5,844 ft above NAVD of 1988, from digital elevation model. June 1, 1976 to Oct. 8, 1987, water-stage recorder 25 ft downstream at different datum.

REMARKS - Water year 2014; no estimated daily discharges. Records poor. Water year 2015; no estimated daily discharges. Records fair. Water year 2016; no estimated daily discharges. Records fair. Water year 2017; no estimated daily discharges. Records fair. Water year 2018; no estimated daily discharges. Records fair. Water year 2019; records poor. Water year 2020; no estimated daily discharges. Records fair. Water year 2021; records fair except for estimated daily discharges, which are poor. Water year 2022; records fair except for estimated daily discharges, which are poor. Water year 2023; no estimated daily discharges. Records fair. Natural flow of stream affected by reservoirs, diversions into basin, diversions for irrigation, and return flow from irrigated areas.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,610 ft³/s, May 18, 1984, gage height, 9.28 ft, from floodmarks, datum then in use.

CLIMATOLOGICAL RECORDS

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

INSTRUMENTATION - Tipping bucket rain gage with satellite telemetry. Elevation of gage is 5,844 ft above NAVD of 1988, from digital elevation model.

EXTREMES FOR PERIOD OF RECORD - (seasonal only) Maximum daily precipitation, 1.46 inches, Aug. 19, 2021.

REMARKS - Gage operated seasonally, April through September.