condition mean min max 4 h after light 70.2028 69.1134 71.2922 8 h after light 55.75765 53.5251 57.9902 12 h after light 60.3518 58.915 61.7886 4 h after dark 78.53190000000001 75.9185 81.1453 8 h after dark 85.2661 83.2366 87.2956 12 h after dark 88.12684999999999 87.6152 88.6385