condition mean min max 4 h after light 523.0485295000001 512.301311 533.795748 8 h after light 694.270797 492.529694 896.0119 12 h after light 804.341461 760.604711 848.078211 4 h after dark 1264.904066 876.897822 1652.91031 8 h after dark 1057.873501 897.830947 1217.916055 12 h after dark 904.099899 904.099899 904.099899