Mesonet Site Data

Change Station

Grandfield (GRA2)

Station Data

Station Number 117
Location 3.3 miles W of Grandfield
County Tillman
Commissioned 04/01/1999
Latitude 34.239444
Longitude -98.743583
Elevation 341 meters (1,119 ft) above Mean Sea Level

Station Extremes

Period of record: 04/01/1999 – present

Type Extreme Date
Maximum air temperature (°F) 114 06/17/2011
Minimum air temperature (°F) -10 02/16/2021
Maximum daily rainfall (in.) 4.83 09/26/2017
Maximum monthly rainfall (in.) 16.43 05/2015
Maximum annual rainfall (in.) 50.31 2015
Maximum wind speed (mph) 88.8 05/04/2012

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)
  • Soil Temperature at 25 cm under Native Vegetation (TS25)
  • Soil Temperature at 60 cm under Native Vegetation (TS60)

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 Final Temperature at 10 cm under Bare Soil (FTB10)
  • 229L Soil Moisture Final Temperature at 10 cm under Native Vegetation (FTS10)
  • 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)
  • 229L Soil Moisture Starting Temperature at 10 cm under Bare Soil (STB10)
  • 229L Soil Moisture Starting Temperature at 10 cm under Native Vegetation (STS10)
  • Thermocouple Reference Temperature (TREF)

Soil Characteristics

Depth Texture Class % Sand % Silt % Clay
5 cm depth Silty Clay Loam 15.7 55.3 29
10 cm depth nan 15.1 52.3 32.6
25 cm depth Silty Clay 13.6 43.2 43.2
60 cm depth Silty Clay 16.9 41.9 41.2
75 cm depth Silty Clay 17.5 42.2 40.3

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