condition mean min max 0 h after light 4.849825 3.93192 5.76773 4 h after light 4.352225 3.72017 4.98428 8 h after light 8.519684999999999 8.14786 8.89151 4 h after dark 11.399899999999999 11.0769 11.7229 8 h after dark 6.662974999999999 5.85764 7.46831 12 h after dark 4.16282 3.97829 4.34735