condition	mean	min	max
4 h after light	9.520079500000001	9.354917	9.685242
8 h after light	8.5862685	8.188564	8.983973
12 h after light	8.906135500000001	8.844696	8.967575
4 h after dark	9.1897085	8.983973	9.395444
8 h after dark	8.4126745	8.060668	8.764681
12 h after dark	8.670714	8.670714	8.670714