condition mean min max 4 h after light 117.6785 111.939 123.418 8 h after light 126.1505 117.635 134.666 12 h after light 120.83500000000001 115.405 126.265 4 h after dark 107.07300000000001 107.053 107.093 8 h after dark 131.8875 130.778 132.997 12 h after dark 120.92750000000001 114.789 127.066