year mo dy hr P(Pa)  Ht(m) T(.1C) RH(.1%)  DPDP  WDIR  WSPD(.1m/s) 
1973 07 26 12  25000  -9999  -9999  -9999  -9999    280    400
1975 01 11 00  25000  -9999  -9999  -9999  -9999    315    448
1975 05 30 00  25000  -9999  -9999  -9999  -9999    290    407