condition mean min max 2 h after light 18.473316666666665 15.3142 22.2406 6 h after light 13.269591666666667 6.34095 18.252 10 h after light 11.547551666666667 8.03911 16.1359 14 h after light 10.81899 7.09321 14.1454 18 h after light 11.24797 7.89063 18.2668 2 h after dark 12.599725 8.27809 17.573