utc_time
jday
year
frac_total_cld
frac_water_cld
frac_ice_cld
frac_low_cld_sw
frac_mid_cld_sw
frac_high_cld_sw
cld_temp_sw
cld_emiss_sw
cld_opd_vis
cld_reff_vis
lwp_vis
iwp_vis