#YY  MM DD hh mm CHILL  HEAT   ICE WSPD10 WSPD20
#yr  mo dy hr mn  degC  degC cm/hr    m/s    m/s
2025 11 24 14 00   3.5    MM    MM     MM     MM
2025 11 24 11 00  -0.7    MM    MM     MM     MM
2025 11 24 08 00  -2.2    MM    MM     MM     MM
2025 11 24 07 00  -1.9    MM    MM     MM     MM