condition	mean	min	max
4 h after light	8.54795	8.321921	8.773979
8 h after light	9.077601000000001	8.497621	9.657581
12 h after light	7.5898045	7.502826	7.676783
4 h after dark	8.104151	7.112014	9.096288
8 h after dark	7.6073010000000005	6.964088	8.250514
12 h after dark	7.920075	7.920075	7.920075