condition mean min max 4 h after light 161.5891725 154.854785 168.32356 8 h after light 206.4711835 198.615568 214.326799 12 h after light 223.090256 210.333071 235.847441 4 h after dark 180.9395705 157.303719 204.575422 8 h after dark 168.595396 151.804889 185.385903 12 h after dark 93.276727 93.276727 93.276727