USGS Water-Year Summary 2021
15294005 WILLOW CREEK NEAR WILLOW, AK
LOCATION - Lat 61°46'51", long 149°53'04" referenced to North American Datum of 1927, in NW 1/4 SE 1/4 sec.31, T.20 N., R.3 W., Matanuska-Susitna Borough, AK, Hydrologic Unit 19020505, (Anchorage D-8 quad), on the right bank, 0.9 mi downstream from unnamed tributary, 6.7 mi upstream from Deception Creek, 4500 river feet upstream of Shirley Town Bridge, and 5.5 mi northeast of Willow.
DRAINAGE AREA - 167 mi².
- WRD-AK-80-1: 1979 (instantaneous maximum discharge).
PERIOD OF RECORD - June 1978 to September 1993, and May 2001 to current year.
GAGE - Water-stage recorder. Gage height conversion to the NAVD88 datum for this streamgage was completed in 2017. To convert from the gage datum to NAVD88 Feet add 384.60 feet to the current gage datum. Prior to April 2, 1981 at site 0.2 miles upstream at different datum.
PERIOD OF RECORD - Water Years 1979 to June 1990, and June 2014 to current year.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: October 1978 to June 1990 (seasonal, fragmentary). June 2014 to current year.
INSTRUMENTATION - Electronic water-temperature recorder set for 15-minute recording interval.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 19.9°C, Jul. 8, 2019; minimum, 0.0°C on many days during winter periods.