condition	mean	min	max
4 h after light	2.320515	1.11365	3.52738
8 h after light	10.325025	8.69895	11.9511
12 h after light	14.7689	14.5961	14.9417
4 h after dark	11.796800000000001	11.1133	12.4803
8 h after dark	6.29253	5.55933	7.02573
12 h after dark	5.883005	5.19949	6.56652