condition mean min max 4 h after light 13.63161 13.123975 14.139245 8 h after light 11.766398 11.468379 12.064417 12 h after light 12.539690499999999 11.377232 13.702149 4 h after dark 13.557493999999998 12.158812 14.956176 8 h after dark 16.559061 14.50377 18.614352 12 h after dark 12.582364 12.582364 12.582364