condition	mean	min	max
4 h after light	2.0337899999999998	1.78103	2.28655
8 h after light	1.92309	1.40502	2.44116
12 h after light	2.718425	2.03288	3.40397
4 h after dark	3.45917	3.11453	3.80381
8 h after dark	3.863905	3.61087	4.11694
12 h after dark	2.789085	2.45834	3.11983