#YY  MM DD hh mm CHILL  HEAT   ICE WSPD10 WSPD20
#yr  mo dy hr mn  degC  degC cm/hr    m/s    m/s
2013 06 16 12 00   9.5    MM    MM     MM     MM
2013 06 16 09 00   9.5    MM    MM     MM     MM
2013 06 16 08 00   9.7    MM    MM     MM     MM
2013 06 16 06 00   9.7    MM    MM     MM     MM