#YY  MM DD hh mm CHILL  HEAT   ICE WSPD10 WSPD20
#yr  mo dy hr mn  degC  degC cm/hr    m/s    m/s
2018 11 20 13 00 -17.3    MM   0.2     MM     MM
2018 11 20 11 00 -18.8    MM   0.3     MM     MM
2018 11 20 09 00 -17.8    MM   0.2     MM     MM
2018 11 20 05 00 -20.7    MM   0.4     MM     MM
2018 11 20 02 00 -22.3    MM   0.6     MM     MM
2018 11 20 01 00 -22.1    MM   0.6     MM     MM
2018 11 19 23 00 -21.4    MM   0.6     MM     MM
2018 11 19 22 00 -20.4    MM   0.5     MM     MM
2018 11 19 21 00 -20.7    MM   0.6     MM     MM
2018 11 19 15 00 -22.0    MM   0.7     MM     MM