#YY  MM DD hh mm CHILL  HEAT   ICE WSPD10 WSPD20
#yr  mo dy hr mn  degC  degC cm/hr    m/s    m/s
2025 05 17 11 00   9.1    MM    MM     MM     MM
2025 05 17 10 00   8.4    MM    MM     MM     MM
2025 05 17 09 00   8.6    MM    MM     MM     MM