condition	mean	min	max
4 h after light	15.174700000000001	15.0698	15.2796
8 h after light	9.39761	8.58402	10.2112
12 h after light	10.1121	9.4148	10.8094
4 h after dark	11.61215	11.0416	12.1827
8 h after dark	12.19965	11.3648	13.0345
12 h after dark	14.78915	14.7523	14.826