condition	mean	min	max
4 h after light	1.344445	1.25497	1.43392
8 h after light	0.9727595	0.95515	0.990369
12 h after light	1.5451000000000001	1.54284	1.54736
4 h after dark	1.9543400000000002	1.93524	1.97344
8 h after dark	1.386235	1.30211	1.47036
12 h after dark	1.513245	1.33889	1.6876