Blackwell (BLAC)

  • Station Number: 11
  • Location: 4 miles SSE of Blackwell
  • County: Kay
  • Commissioned: 01/01/1994
  • Latitude: 36.754430° / 36° 45' 15" N
  • Longitude: -97.254520° / 97° 15' 16" W
  • Elevation: 304 meters above Mean Sea Level (997 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 08/02/2011
Minimum air temperature (°F) -27 02/10/2011
Maximum daily rainfall (in.) 7.18 04/29/2012
Maximum monthly rainfall (in.) 15.95 06/1999
Maximum annual rainfall (in.) 57.24 1999
Maximum wind speed (mph) 71.3 08/16/2017



Soil Characteristics

  Texture Class % Sand % Silt % Clay
5 cm depth Loam 27.8 49.2 23
25 cm depth Silty Clay Loam 17.5 44.8 37.8
60 cm depth Clay Loam 20 40.3 39.7
75 cm depth NA NA NA NA