condition	mean	min	max
4 h after light	4.326196666666667	1.8465	7.91324
8 h after light	2.516168	0.571664	4.80386
12 h after light	2.19508	1.18992	3.22111
4 h after dark	3.73696	2.16498	5.07174
8 h after dark	2.92536	1.98522	3.76503
12 h after dark	2.93496	2.28869	3.81359