#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 18 05 00   9.2    MM    MM     MM     MM
2013 06 18 04 00   9.8    MM    MM     MM     MM
2013 06 18 03 00   9.9    MM    MM     MM     MM
2013 06 18 02 00  10.0    MM    MM     MM     MM
2013 06 18 01 00  10.0    MM    MM     MM     MM
2013 06 18 00 00  10.1    MM    MM     MM     MM