PEM-Tropics-B P3 1999/03/06-1999/04/18
  Jno2: rsjv1_J[NO2] [1/sec]
  Jo3: rsjv1_J[O3] [1/sec]
  c2h2: ucgc__Ethyne [pptv]
  c2h4: ucgc__Ethylene [pptv]
  c2h6: ucgc__Ethane [pptv]
  c3h6: ucgc__Propene [pptv]
  c3h8: ucgc__Propane [pptv]
  c3h8c2h6: ucgc__Propane/ucgc__Ethane [pptv/pptv]
  cfc11: ucgc__CFC-11 [pptv]
  cfc12: ucgc__CFC-12 [pptv]
  ch2o: hbfor_CH2O [pptv]
  ch3br: ucgc__CH3Br [pptv]
  ch3ccl3: ucgc__CH3CCl3 [pptv]
  ch3cl: ucgc__CH3Cl [pptv]
  ch3i: ucgc__CH3I [pptv]
  ch3ooh: hbper_CH3OOH [PPTV]
  chbr3-ncar: ncan__CHBr3(Bromoform) [pptv]
  chbr3-uci: ucgc__CHBr3 [pptv]
  chcl3-ncar: ncan__CHCl3(chloroform) [pptv]
  chcl3-uci: ucgc__CHCl3 [pptv]
  co2: sgdir_CO2 [ppmv]
  co: sgdir_CO [ppbv]
  dms-du: dusu1_DMS [pptv]
  dms-uci: ucgc__DMS [pptv]
  dmso: fe_dn_[DMSO] [pptv]
  h2o2: hbper_H2O2 [PPTV]
  h2o2ch3ooh: hbper_H2O2/hbper_CH3OOH [PPTV/PPTV]
  h2so4: feosm_[H2SO4] [molec/cm3]
  hno3: nhatg_HNO3 [pptv]
  hno3nox: nhatg_HNO3/(rbnox_NO+rbnox_NO2) [pptv/(pptv+pptv)]
  isoprene: ucgc__Isoprene [pptv]
  msa: feosm_[MSA] [molec/cm3]
  nh3: fe_nh_[NH3] [arbitrary]
  nitrate: nhaer_Nitrate(NO3) [pptv]
  nitratehno3: nhaer_Nitrate(NO3)/nhatg_HNO3 [pptv/pptv]
  no2: rbnox_NO2 [pptv]
  no: rbnox_NO [pptv]
  noday: rbnox_NO [pptv] SZA<90
  nono2: rbnox_NO/rbnox_NO2 [pptv/pptv]
  nox: rbnox_NO+rbnox_NO2 [pptv+pptv]
  o3: rb_o3_O3 [ppbv]
  oh: feosm_[OH] [molec/cm3]
  pressure: po_01_StaticPressure [Mb]
  rhi: po_01_RelHumidityIce [%]
  rhw: po_01_RelHumidityWater [%]
  so2: dusu1_SO2 [pptv]
  temperature: po_01_StatTempDegK [DegK]
  ucn: tcucn_UCN [(cm^-3)]