condition	mean	min	max
4 h after light	7.869574999999999	7.31116	8.42799
8 h after light	5.04409	5.01049	5.07769
12 h after light	6.029085	5.28183	6.77634
4 h after dark	8.092233333333333	7.48547	9.22355
8 h after dark	8.802206666666667	7.71471	10.1245
12 h after dark	9.422393333333334	8.89409	10.3657