condition	mean	min	max
4 h after light	10.64018	9.22706	12.0533
8 h after light	8.13377	8.08669	8.18085
12 h after light	12.679749999999999	12.1893	13.1702
4 h after dark	20.71163333333333	20.1704	21.4138
8 h after dark	18.1165	16.5945	19.3535
12 h after dark	15.806966666666666	14.5474	16.8267