condition	mean	min	max
4 h after light	1.416795	1.26482	1.56877
8 h after light	1.425815	1.14371	1.70792
12 h after light	1.544185	1.10675	1.98162
4 h after dark	1.5642049999999998	1.09391	2.0345
8 h after dark	1.61288	1.23343	1.99233
12 h after dark	1.829595	1.59037	2.06882