condition mean min max 4 h after light 129.39195 100.561796 158.222104 8 h after light 152.4385995 135.714679 169.16252 12 h after light 145.69395 139.277852 152.110048 4 h after dark 207.31267300000002 169.16252 245.462826 8 h after dark 306.0537005 192.551401 419.556 12 h after dark 155.271696 155.271696 155.271696