condition	mean	min	max
4 h after light	3.624285	3.61019	3.63838
8 h after light	3.06994	1.89503	4.24485
12 h after light	4.02034	3.4562	4.58448
4 h after dark	5.826420000000001	5.10759	6.54525
8 h after dark	4.269245	4.03693	4.50156
12 h after dark	5.101570000000001	3.86902	6.33412