condition	mean	min	max
4 h after light	5.2520050000000005	4.10308	6.40093
8 h after light	3.794055	3.50354	4.08457
12 h after light	5.637555	5.50184	5.77327
4 h after dark	6.3833400000000005	5.46696	7.29972
8 h after dark	6.295925	5.84034	6.75151
12 h after dark	5.88037	4.88241	6.87833