AH              95   N   absolute humidity
DAYNITE         21   N   day/night qualifier
DPD             97   N   dewpoint depression                  
FOVNUM          35   N   field of view number
GRIDP            7   N   grid point pressure
GRIDSE          25   N   grid point solar elevation
HT              48   N   pressure altitude
LSM             23   N   land/sea mask
NUMLEV          29   N   number of sounding levels
P               20   N   pressure
PWV             45   N   precipitable water vapor
Q               96   N   specific humidity                    
RH              98   N   relative humidity                    
SATID           28   N   satellite identifier for the satellite that provided the data
SKINT           38   N   skin temperature
SUPIND          22   N   superadiabatic indicator
T               41   N   temperature
TD              99   N   dewpoint temperature
TERRTYP         24   N   terrain type
TV              94   N   virtual temperature
WVMR            44   N   water vapor mixing ratio
ZENITH          26   N   zenith angle
