condition	mean	min	max
4 h after light	15.486163333333334	6.08109	27.5627
8 h after light	9.261446666666666	2.76272	16.538
12 h after light	11.30917	8.08111	15.2919
4 h after dark	11.16917	8.62161	13.4146
8 h after dark	13.362829999999999	9.08809	17.4162
12 h after dark	17.2422	16.4373	18.7854