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Water-Year Summary for Site 15302250

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
15302250 NORTH FORK KOKTULI RIVER NEAR ILIAMNA, AK
LOCATION - Lat 59°50'35.4", long 155°42'58.9" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 SW 1/4 sec.07, T.4 S., R.37 W., Lake and Peninsula Borough, AK, Hydrologic Unit 19030302, (Iliamna D-8 quad), on left bank, 3.5 mi upstream from the mouth, and 28.5 mi northwest of Iliamna.
DRAINAGE AREA - 106 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 2004 to September 2015, May 2018 to March 2020, March 2021 to September 2022 (discontinued).
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 613 ft above sea level, from topographic map.
REMARKS - Rain gage at station, GOES satellite telemetry at station.
WATER-QUALITY RECORDS
PERIOD OF RECORD - October 2007 to September 2015, May 2018 to September 2022 (discontinued).
PERIOD OF DAILY RECORD - WATER TEMPERATURE: May 2007 to September 2015, May 2018 through water September 2022 (discontinued).
INSTRUMENTATION - Electronic water-temperature recorder set for 15 minute recording interval.
REMARKS - WATER TEMPERATURE: Records represent water temperature at sensor within 0.2 °C. Heavy shore ice occurs near the gage.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 22.6°C, July 7, 2019; Minimum, 0.0°C on many days during fall, winter, and spring breakup.