condition	mean	min	max
4 h after light	4.252715	3.84971	4.65572
8 h after light	3.8116950000000003	3.66112	3.96227
12 h after light	5.1441099999999995	4.73287	5.55535
4 h after dark	4.670335	4.46529	4.87538
8 h after dark	5.08899	4.49039	5.68759
12 h after dark	5.444605	5.29753	5.59168