AIRTC     1    1    -  DegF     DegC      Air temperature on the PLS
SLTMP     1    1    -  DegF     DegC      Surface layer soil temperature
ULTMP     1    1    -  DegF     DegC      Upper layer soil temperature
LGTMP     1    1    -  DegF     DegC      Lower and groundwater layer soil temperature
