USGS Water-Year Summary 2020
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.
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.
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.
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 - Maximum daily precipitation, 1.82 inches, June 11, 2015.