condition mean min max 4 h after light 248.9329215 115.926131 381.939712 8 h after light 779.2317135000001 406.9696 1151.493827 12 h after light 1232.8975325000001 1043.103715 1422.69135 4 h after dark 1018.5111625 1002.499496 1034.522829 8 h after dark 1535.3602059999998 1067.921427 2002.798985 12 h after dark 270.790688 270.790688 270.790688