#YY  MM DD hh mm CHILL  HEAT   ICE WSPD10 WSPD20
#yr  mo dy hr mn  degC  degC cm/hr    m/s    m/s
2025 12 10 23 00   3.9    MM    MM     MM     MM
2025 12 10 22 00   4.2    MM    MM     MM     MM
2025 12 10 21 00   4.7    MM    MM     MM     MM
2025 12 10 01 00   3.6    MM    MM     MM     MM
2025 12 10 00 00   3.8    MM    MM     MM     MM
2025 12 09 23 00   4.1    MM    MM     MM     MM