condition	mean	min	max
4 h after light	2.08689	1.8308	2.34298
8 h after light	2.5173449999999997	2.30166	2.73303
12 h after light	3.117035	3.07525	3.15882
4 h after dark	3.6110949999999997	3.44487	3.77732
8 h after dark	3.49467	3.39707	3.59227
12 h after dark	2.7476849999999997	2.54933	2.94604