condition	mean	min	max
4 h after light	8.32998	8.12912	8.53275
8 h after light	8.340326666666666	8.28417	8.42469
12 h after light	8.790043333333333	8.593869999999999	8.97743
4 h after dark	9.22755	8.82992	9.55537
8 h after dark	9.472629999999999	9.142669999999999	9.68845
12 h after dark	9.657713333333334	9.47391	9.8536