condition mean min max 4 h after light 862.256569 779.94942 944.563718 8 h after light 676.6885520000001 541.539749 811.837355 12 h after light 513.92961 330.466766 697.392454 4 h after dark 638.8173695 561.350787 716.283952 8 h after dark 878.1698815 630.876937 1125.462826 12 h after dark 995.232057 995.232057 995.232057