condition mean min max 4 h after light 217.3488695 183.769427 250.928312 8 h after light 292.18505 281.753428 302.616672 12 h after light 249.0148615 222.028435 276.001288 4 h after dark 232.3950345 224.327243 240.462826 8 h after dark 194.774828 167.625292 221.924364 12 h after dark 121.001288 121.001288 121.001288