condition mean min max 0 h after light 11.8812 10.4874 13.275 2 h after light 18.8038 18.5876 19.02 4 h after light 16.6378 15.4766 17.799 8 h after light 13.06335 11.0687 15.058 12 h after light 16.4375 15.5102 17.3648 2 h after dark 12.19915 11.6275 12.7708 4 h after dark 8.38407 7.24223 9.52591 8 h after dark 11.064900000000002 10.6293 11.5005 12 h after dark 12.3858 11.2395 13.5321