condition mean min max 0 h after light 64.58449999999999 57.9755 71.1935 4 h after light 7.936960000000001 6.94071 8.93321 8 h after light 20.53665 19.1359 21.9374 4 h after dark 29.738349999999997 26.0356 33.4411 8 h after dark 13.20215 12.9585 13.4458 12 h after dark 35.63315 24.6563 46.61