USGS Water-Year Summary for Site 06711575

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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

06711575 HARVARD GULCH AT HARVARD PARK AT DENVER, CO

LOCATION - Lat 39°40'18.20", long 104°58'37.30" referenced to North American Datum of 1983, in NW 1/4 SW 1/4 sec.26, T.4 S., R.68 W., Denver County, CO, Hydrologic Unit 10190002, on right bank 125 ft north of East Harvard Avenue, 300 ft west of South Ogden Street, and directly north of Porter Adventist Hospital, in Denver.

DRAINAGE AREA - 3.98 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - August 1979 to March 2012 (annual seasonal-maximum only). April 2012 to current year (seasonal records only).

GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 5,320 ft above NGVD of 1929, from topographic map.

REMARKS - Water year 2014; no estimated daily discharges. Records fair. Water year 2015; records fair except for estimated daily discharges, which are poor. 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; no estimated daily discharges. Records fair. Water year 2020; no estimated daily discharges. Records fair. Water year 2021; no estimated daily discharges. Records fair. Water year 2022; no estimated daily discharges. Records fair. Water year 2023; records fair except for estimated daily discharges, which are poor.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 2,120 ft³/s, July 8, 2001, gage height, 17.44 ft, from rating curve extended above 95 ft³/s on basis of slope-area measurements at gage heights 14.88 ft and 15.62 ft, and flow-over-weir measurement of right over-bank flow at the peak.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - May 2009 to current year (seasonal records only).

INSTRUMENTATION - Tipping-bucket rain gage with satellite telemetry. Elevation of gage is 5,320 ft above NGVD of 1929, from topographic map.

EXTREMES FOR PERIOD OF RECORD - (seasonal only) Maximum daily precipitation, 1.83 inches, June 11, 2015.

REMARKS - Gage operated seasonally, April through September.