condition mean min max 4 h after light 153.38005249999998 150.923444 155.836661 8 h after light 192.662912 159.874453 225.451371 12 h after light 296.467421 186.472016 406.462826 4 h after dark 311.325562 245.462826 377.188298 8 h after dark 407.87956299999996 220.587968 595.171158 12 h after dark 222.355927 222.355927 222.355927