#YY  MM DD hh mm CHILL  HEAT   ICE WSPD10 WSPD20
#yr  mo dy hr mn  degC  degC in/hr    m/s    m/s
2008 09 02 06 18  -6.1    MM    MM     MM     MM
2008 07 20 19 12  -1.9    MM    MM     MM     MM