condition	mean	min	max
4 h after light	1.3963700000000001	1.14469	1.64805
8 h after light	3.1223400000000003	3.04009	3.20459
12 h after light	3.324325	3.02837	3.62028
4 h after dark	3.78788	3.49923	4.07653
8 h after dark	2.111115	1.9	2.32223
12 h after dark	2.03171	1.88461	2.17881