condition mean min max 4 h after light 302.129 278.259 325.999 8 h after light 151.34949999999998 149.789 152.91 12 h after light 114.58099999999999 107.103 122.059 4 h after dark 108.8385 101.095 116.582 8 h after dark 140.2465 137.634 142.859 12 h after dark 192.844 185.771 199.917