#YY  MM DD hh mm CHILL  HEAT   ICE WSPD10 WSPD20
#yr  mo dy hr mn  degC  degC cm/hr    m/s    m/s
2024 04 19 19 00   6.6    MM    MM     MM     MM
2024 04 19 18 00   7.1    MM    MM     MM     MM
2024 04 19 17 00   4.9    MM    MM     MM     MM