USGS Water-Year Summary 2021
15564879 SLATE CREEK AT COLDFOOT, AK
LOCATION - Lat 67°15'16", long 150°10'38" referenced to North American Datum of 1983, in sec.15, T.28 N., R.12 W., Yukon-Koyukuk Division, AK, Hydrologic Unit 19090101, (Wiseman B-1 quad), on left bank 40 ft downstream from bridge on Dalton Highway, 1.1 mi upstream from mouth and 0.1 mi north of Coldfoot.
DRAINAGE AREA - 73.1 mi².
- WRD AK-99-1: 1984, 1989, 1993, 1994, 1998 (maximums). On February 23, 2016, maximum and daily discharges for water years 1994 to 2013 were revised. They supersede figures previously published in Water-Data Reports for those years (WDR-AK-XX). Previous or subsequent revisions to data, if any, are available in USGS Water Data for the Nation at http://waterdata.usgs.gov/nwis/inventory?search_site_no=15564879.
PERIOD OF RECORD - Annual maximums, water years 1981-94. Continuous record May 1995 to current year (no winter records in water years 1995-98).
GAGE - Datum of the gage is 1046.65 ft. NAVD88, based on US Army Corps of Engineers survey June 28, 2017. Prior to May 5, 1995, non-recording gage at site 105 ft upstream at same datum. May 5, 1995 to present, recording gage at site 60 ft downstream at same datum.
PERIOD OF RECORD - WATER TEMPERATURE: May 1998 to current year (seasonal).
INSTRUMENTATION - Water-temperature recorder since May 11, 1998. Electronic water temperature recorder set for 15-minute recording interval.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 16.5°C, July 86, 2019; minimum, 0.0°C, on many days during winter and spring breakup periods.