Hollis (HOLL)

  • Station Number: 47
  • Location: 3 miles W of Gould
  • County: Harmon
  • Commissioned: 01/01/1994
  • Latitude: 34.685500° / 34° 41' 7" N
  • Longitude: -99.833310° / 99° 49' 59" W
  • Elevation: 497 meters above Mean Sea Level (1,631 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 01/01/1994

Maximum air temperature (°F) 115 06/26/2011
Minimum air temperature (°F) -1 02/10/2011
Maximum daily rainfall (in.) 6.63 08/02/1995
Maximum monthly rainfall (in.) 12.57 05/2015
Maximum annual rainfall (in.) 43.86 2015
Maximum wind speed (mph) 83.3 04/02/1999



Soil Characteristics

  Texture Class % Sand % Silt % Clay
5 cm depth Clay 20.7 35.2 44.1
25 cm depth Clay 18.1 30.1 51.8
60 cm depth Clay 15.5 30.7 53.8
75 cm depth Clay 12.1 31.8 56