clm1: No. (from AM00:00)
clm2: mmss.s
clm3: u (m/s)
clm4: v (m/s)
clm5: w (m/s)
clm6: T_sonic (degC)
clm7: q'_AH-300 (g/m3)
clm8: T_HMP (degC)
clm9: RH_HMP (%)
clm10: q_HMP (g/m3)
clm11: I (%)