condition	mean	min	max
4 h after light	6.306535	5.24181	7.37126
8 h after light	11.110800000000001	11.0237	11.1979
12 h after light	14.8817	14.1624	15.601
4 h after dark	9.689530000000001	9.05816	10.3209
8 h after dark	1.77196	1.16112	2.3828
12 h after dark	3.4450700000000003	2.67022	4.21992