USGS Water-Year Summary 2021
15085100 OLD TOM CREEK NEAR KASAAN,AK
LOCATION - Lat 55°23'44", long 132°24'25" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 sec.06, T.75 S., R.86 E., UNSPECIFIEDAK, Hydrologic Unit 19010103, (Craig B-2 quad), on Prince of Wales Island, in Tongass National Forest, on left bank 1,000 ft upstream from mouth at Skowl Arm of Kasaan Bay, 0.4 mi downstream from unnamed tributary, and 10 mi south of Kasaan.
DRAINAGE AREA - 6.30 mi².
- WDR AK-85-1: 1950-1983 (P), 1984.
PERIOD OF RECORD - June 1949 to current year.
GAGE - Water-stage recorder. Elevation of gage is 10 ft above sea level, from topographic map.
PERIOD OF RECORD - Water years 1956, 1959, and 1965 to current year.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: October 1964, April 1965 to February 1975, June 1975 to April 1978, and November 1978 to current year.
INSTRUMENTATION - Electronic water-temperature recorder set for 15 minute recording interval.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 22.0°C, July 27 and 30, 2018; minimum, 0.0°C, on many days during most winter periods.