condition mean min max 3 h after light 13.1186 12.3572 14.3043 6 h after light 10.211456666666667 7.88177 11.9628 9 h after light 8.173263333333335 7.15777 8.6858 12 h after light 7.7322033333333335 6.7555 8.40659 3 h after dark 12.371133333333333 10.0852 13.5737 6 h after dark 18.238400000000002 16.8973 19.7907 9 h after dark 15.9692 15.4915 16.2819 12 h after dark 13.9378 10.6833 17.8674