USGS Water-Year Summary 2021
LOCATION - Lat 29°47'17", long 92°25'00" referenced to North American Datum of 1983, Vermilion Parish, LA, Hydrologic Unit 08080202, The site is located approximately 1.8 miles north-northeast of the opening of Clear Lake into White Lake, in Vermilion Parish, LA.
DRAINAGE AREA - Indeterminate.
PERIOD OF RECORD - May 2009 to the current year.
GAGE - Water-stage recorder. Datum of gage is 0.75 feet below NAVD88 Geoid12a.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 3.75 ft, Aug. 22, 2016; minimum gage height, -0.44 ft, Aug. 26, 2020.
PERIOD OF RECORD - May 2009 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: May 2009 to current year.
SALINITY: May 2009 to current year.
WATER TEMPERATURE: May 2009 to current year.
INSTRUMENTATION - Water-quality monitor recording specific conductance and water temperature.
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum, 10,300 microsiemens/cm, Nov. 21, 2011; minimum, 190 microsiemens/cm, Aug. 14, 2016.
SALINITY: Maximum, 5.8 ppt, Nov. 21, 29, 2011; minimum, 0.1 ppt, on many days.
TEMPERATURE: Maximum, 38.4°C, Jul. 11, 2011; minimum, 1.2°C, Jan. 18, 2018.