condition mean min max 0 h after light 12.5532 11.6159 13.4905 4 h after light 9.673985 9.12377 10.2242 8 h after light 9.676795 9.64682 9.70677 4 h after dark 12.67375 11.8259 13.5216 8 h after dark 14.667549999999999 14.1649 15.1702 12 h after dark 9.540135 8.16877 10.9115