condition	mean	min	max
4 h after light	5.81969	5.69192	5.9404
8 h after light	5.577766666666667	5.37818	5.68227
12 h after light	5.7002266666666666	5.4131599999999995	5.85251
4 h after dark	5.6617500000000005	5.422540000000001	6.04552
8 h after dark	5.5986	5.41521	5.80547
12 h after dark	5.55489	5.40139	5.77474