condition mean min max 4 h after light 10.887004999999998 10.848567 10.925443 8 h after light 9.724559500000002 9.65309 9.796029 12 h after light 10.173144 9.222616 11.123672 4 h after dark 10.5523475 9.637562 11.467133 8 h after dark 10.198256 9.767788 10.628724 12 h after dark 8.384029 8.384029 8.384029