condition	mean	min	max
4 h after light	2.9403449999999998	2.63352	3.24717
8 h after light	2.8974	2.81557	2.97923
12 h after light	3.5730500000000003	3.56522	3.58088
4 h after dark	4.563695	4.28001	4.84738
8 h after dark	3.960815	3.84733	4.0743
12 h after dark	3.624205	3.51565	3.73276