condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.1210105 0.0 0.242021 12 h after light 0.1274493 0.0784196 0.176479 4 h after dark 0.223933 0.20921 0.249109 8 h after dark 0.123041 0.0 0.221351 12 h after dark 0.08596999999999999 0.0 0.25791