Porter (PORT)

  • Station Number: 118
  • Location: 2.5 miles W of Clarksville
  • County: Wagoner
  • Commissioned: 11/05/1999
  • Latitude: 35.825700° / 35° 49' 32" N
  • Longitude: -95.559760° / 95° 33' 35" W
  • Elevation: 193 meters above Mean Sea Level (633 feet )

Variables Measured Every 5 Minutes

  • Station Battery Voltage (BATV)
  • Barometric Pressure at 0.75 m (PRES)
  • Rain since midnight UTC at 0.6m (RAIN)
  • Relative Humidity at 1.5 m (RELH)
  • Solar Radiation (SRAD)
  • Air Temperature at 9 m (TA9M)
  • Air Temperature at 1.5 m (TAIR)
  • Supplemental Air Temperature (TSLO)
  • Wind Direction at 10 m (WDIR)
  • Wind Direction Standard Deviation at 10 m (WDSD)
  • Maximum Wind Speed at 10 m (WMAX)
  • Maximum Wind Speed at 2 m (WMX2)
  • Wind Speed at 2 m (WS2M)
  • Wind Speed at 10 m (WSPD)
  • Wind Speed Standard Deviation at 10 m (WSSD)
  • Vector Wind Speed at 10 m (WVEC)

Variables Measured Every 15 Minutes

  • Soil Temperature at 10 cm under Bare Soil (TB10)
  • Soil Temperature at 5 cm under Native Vegetation (TS05)
  • Soil Temperature at 10 cm under Native Vegetation (TS10)

Variables Measured Every 30 Minutes

  • 229L Soil Moisture Final Temperature at 5 cm (FT05)
  • 229L Soil Moisture Final Temperature at 25 cm (FT25)
  • 229L Soil Moisture Final Temperature at 60 cm (FT60)
  • 229L Soil Moisture Starting Temperature at 5 cm (ST05)
  • 229L Soil Moisture Starting Temperature at 25 cm (ST25)
  • 229L Soil Moisture Starting Temperature at 60 cm (ST60)
  • Thermocouple Reference Temperature (TREF)

Site Extremes Site Extremes since commissioning on 11/05/1999

Maximum air temperature (°F) 113 08/03/2011
Minimum air temperature (°F) -13 02/10/2011
Maximum daily rainfall (in.) 5.93 03/18/2008
Maximum monthly rainfall (in.) 17.00 05/2015
Maximum annual rainfall (in.) 74.73 2015
Maximum wind speed (mph) 69.8 06/04/2005



Soil Characteristics

  Texture Class % Sand % Silt % Clay
5 cm depth Sandy loam 53.1 34.1 12.8
25 cm depth Loam 47.6 36.3 16.1
60 cm depth Loam 45.2 34.3 20.5
75 cm depth Loam 51.2 31.9 16.9