condition mean min max 4 h after light 37.497299999999996 35.8281 39.1665 8 h after light 26.431449999999998 25.9463 26.9166 12 h after light 25.61985 23.81 27.4297 4 h after dark 15.1694 13.435 16.9038 8 h after dark 15.02395 14.1648 15.8831 12 h after dark 19.427999999999997 18.4687 20.3873