condition mean min max 0 h after light 0.086531 0.0 0.173062 4 h after light 0.2602255 0.255945 0.264506 8 h after light 0.1296507 0.0880834 0.171218 4 h after dark 0.2127975 0.170641 0.254954 8 h after dark 0.12855165000000002 0.0852223 0.171881 12 h after dark 0.0845325 0.0 0.169065