#YY  MM DD hh mm CHILL  HEAT   ICE WSPD10 WSPD20
#yr  mo dy hr mn  degC  degC cm/hr    m/s    m/s
2023 09 20 13 00   9.2    MM    MM     MM     MM
2023 09 20 09 00  10.6    MM    MM     MM     MM
2023 09 19 13 00   9.7    MM    MM     MM     MM