condition	mean	min	max
4 h after light	8.475356	7.646142	9.30457
8 h after light	8.198100499999999	8.17812	8.218081
12 h after light	8.17812	8.17812	8.17812
4 h after dark	8.3536965	7.814236	8.893157
8 h after dark	7.53268	7.411488	7.653872
12 h after dark	7.495548	7.495548	7.495548