condition	mean	min	max
4 h after light	12.850449999999999	11.8111	13.8898
8 h after light	8.733920000000001	7.97442	9.49342
12 h after light	7.914865	7.79143	8.0383
4 h after dark	14.0215	11.5393	16.5037
8 h after dark	14.25355	13.7186	14.7885
12 h after dark	10.795705	9.27211	12.3193