condition	mean	min	max
4 h after light	69.56360000000001	65.601	73.5262
8 h after light	62.175	61.8833	62.4667
12 h after light	67.16075000000001	61.8865	72.435
4 h after dark	81.115	75.1295	87.1005
8 h after dark	72.85900000000001	72.7124	73.0056
12 h after dark	73.51195	73.0094	74.0145