#YY  MM DD hh mm CHILL  HEAT   ICE WSPD10 WSPD20
#yr  mo dy hr mn  degC  degC cm/hr    m/s    m/s
2013 05 23 19 00  -0.9    MM    MM     MM     MM
2013 05 23 18 00   1.5    MM    MM     MM     MM
2013 05 23 17 00   1.8    MM    MM     MM     MM
2013 05 23 16 00   1.7    MM    MM     MM     MM
2013 05 23 15 00   0.8    MM    MM     MM     MM
2013 05 23 14 00   0.4    MM    MM     MM     MM
2013 05 23 13 00   0.9    MM    MM     MM     MM
2013 05 23 12 00   0.8    MM    MM     MM     MM
2013 05 23 11 00   0.3    MM    MM     MM     MM
2013 05 23 10 00  -0.9    MM    MM     MM     MM
2013 05 23 09 00  -0.6    MM    MM     MM     MM
2013 05 23 08 00   0.1    MM    MM     MM     MM
2013 05 23 07 00  -0.2    MM    MM     MM     MM
2013 05 23 06 00   0.0    MM    MM     MM     MM
2013 05 23 05 00   0.8    MM    MM     MM     MM
2013 05 23 04 00   0.8    MM    MM     MM     MM
2013 05 23 03 00  -0.4    MM    MM     MM     MM
2013 05 23 02 00   1.5    MM    MM     MM     MM
2013 05 23 01 00   1.0    MM    MM     MM     MM
2013 05 23 00 00   2.0    MM    MM     MM     MM
2013 05 22 23 00   2.8    MM    MM     MM     MM
2013 05 22 22 00   1.0    MM    MM     MM     MM
2013 05 22 21 00   2.9    MM    MM     MM     MM
2013 05 22 20 00   4.2    MM    MM     MM     MM