Spencer (SPEN)

  • Station Number: 87
  • Location: 2 miles ENE of Spencer
  • County: Oklahoma
  • Commissioned: 01/01/1994
  • Latitude: 35.542080° / 35° 32' 31" N
  • Longitude: -97.341460° / 97° 20' 29" W
  • Elevation: 373 meters above Mean Sea Level (1,224 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 under Native Vegetation (FT05)
  • 229L Soil Moisture Final Temperature at 25 cm under Native Vegetation (FT25)
  • 229L Soil Moisture Final Temperature at 60 cm under Native Vegetation (FT60)
  • 229L Soil Moisture Starting Temperature at 5 cm under Native Vegetation (ST05)
  • 229L Soil Moisture Starting Temperature at 25 cm under Native Vegetation (ST25)
  • 229L Soil Moisture Starting Temperature at 60 cm under Native Vegetation (ST60)
  • Thermocouple Reference Temperature (TREF)

Site Extremes Site Extremes since commissioning on 01/01/1994

Maximum air temperature (°F) 112 08/03/2012
Minimum air temperature (°F) -16 02/16/2021
Maximum daily rainfall (in.) 6.99 06/14/2010
Maximum monthly rainfall (in.) 13.78 05/2015
Maximum annual rainfall (in.) 50.66 2007
Maximum wind speed (mph) 61.2 03/28/2020



Soil Characteristics

  Texture Class % Sand % Silt % Clay
5 cm depth Sandy Loam 74.2 9.4 16.4
25 cm depth Clay 39.8 19.2 41
60 cm depth Sandy Clay 56.6 7.7 35.7
75 cm depth NA NA NA NA