condition mean min max 4 h after light 76.6255945 76.171702 77.079487 8 h after light 79.1917975 75.710871 82.672724 12 h after light 79.1502115 73.683526 84.616897 4 h after dark 83.787047 76.643309 90.930785 8 h after dark 75.506129 73.932771 77.079487 12 h after dark 74.388068 74.388068 74.388068