condition	mean	min	max
4 h after light	14.86265	14.2634	15.4619
8 h after light	6.731325	6.43337	7.02928
12 h after light	3.94996	3.76869	4.13123
4 h after dark	4.6625049999999995	4.41205	4.91296
8 h after dark	6.6258300000000006	6.08085	7.17081
12 h after dark	11.42745	10.6164	12.2385