condition	mean	min	max
4 h after light	5.68238	5.48409	5.81646
8 h after light	5.595226666666667	5.4829300000000005	5.69025
12 h after light	5.7191	5.58662	5.83667
4 h after dark	5.721913333333333	5.66066	5.79288
8 h after dark	5.56883	5.3819	5.80735
12 h after dark	5.730573333333334	5.5770800000000005	5.82264