condition mean min max 3 h after light 0.883328 0.242824 1.23102 6 h after light 0.2828102333333333 0.0611697 0.516585 9 h after light 0.761459 0.254399 1.06239 12 h after light 3.1939933333333332 1.42067 4.24534 3 h after dark 4.218483333333333 3.12418 5.03179 6 h after dark 1.92872 1.06937 2.64845 9 h after dark 2.1839173333333335 0.453732 3.58969 12 h after dark 1.331442 0.515106 2.07714