#YY  MM DD hh mm CHILL  HEAT   ICE WSPD10 WSPD20
#yr  mo dy hr mn  degC  degC cm/hr    m/s    m/s
2020 02 21 05 00 -18.2    MM   0.7     MM     MM
2020 02 21 04 00 -17.8    MM   0.7     MM     MM
2020 02 21 03 00 -19.2    MM   1.1     MM     MM
2020 02 21 02 00    MM    MM   0.0     MM     MM
2020 02 21 01 00    MM    MM   0.0     MM     MM
2020 02 21 00 00    MM    MM   0.0     MM     MM
2020 02 20 23 00    MM    MM   0.0     MM     MM
2020 02 20 22 00    MM    MM   0.0     MM     MM
2020 02 20 21 00    MM    MM   0.0     MM     MM
2020 02 20 20 00    MM    MM   0.0     MM     MM
2020 02 20 19 00    MM    MM   0.0     MM     MM
2020 02 20 18 00    MM    MM   0.0     MM     MM
2020 02 20 17 00    MM    MM   0.0     MM     MM
2020 02 20 16 00 -16.7    MM   0.8     MM     MM
2020 02 20 15 00 -17.6    MM   1.0     MM     MM
2020 02 20 14 00 -17.5    MM   0.9     MM     MM
2020 02 20 13 00 -17.0    MM   0.8     MM     MM
2020 02 20 12 00 -17.8    MM   1.1     MM     MM
2020 02 20 11 00 -17.2    MM   1.0     MM     MM
2020 02 20 10 00 -16.0    MM   0.7     MM     MM
2020 02 20 09 00 -16.2    MM   0.9     MM     MM
2020 02 20 08 00 -15.9    MM   0.9     MM     MM
2020 02 20 07 00 -14.2    MM   0.6     MM     MM
2020 02 20 06 00 -13.7    MM   0.5     MM     MM
2020 02 20 05 00 -11.1    MM   0.1     MM     MM