condition mean min max 4 h after light 21.590400000000002 17.2909 25.8899 8 h after light 13.915 13.5134 14.3166 12 h after light 13.96755 12.4163 15.5188 4 h after dark 17.671799999999998 17.4733 17.8703 8 h after dark 18.102400000000003 17.539 18.6658 12 h after dark 24.68035 24.5047 24.856