condition	mean	min	max
4 h after light	9.410023333333333	9.17942	9.606119999999999
8 h after light	9.09594	9.04735	9.15958
12 h after light	9.46109	9.27082	9.62495
4 h after dark	9.208689999999999	9.030489999999999	9.42929
8 h after dark	9.454776666666667	9.32043	9.54049
12 h after dark	9.414856666666667	9.32772	9.46797