condition mean min max 4 h after light 10.741109999999999 9.95946 11.52276 8 h after light 11.1973005 9.95946 12.435141 12 h after light 9.533075499999999 9.106691 9.95946 4 h after dark 9.885004 9.716608 10.0534 8 h after dark 10.126297999999998 8.022723 12.229873 12 h after dark 9.626763 9.626763 9.626763