condition mean min max 4 h after light 11.4096805 11.066346 11.753015 8 h after light 12.9963415 12.243927 13.748756 12 h after light 11.8490625 10.631624 13.066501 4 h after dark 12.779109 12.143319 13.414899 8 h after dark 13.791847 13.010123 14.573571 12 h after dark 11.03081 11.03081 11.03081