condition	mean	min	max
0 h after light	15.7698	15.6681	15.8715
4 h after light	6.456709999999999	6.04306	6.87036
8 h after light	2.845185	2.82386	2.86651
4 h after dark	10.790175	9.70745	11.8729
8 h after dark	12.88325	12.5607	13.2058
12 h after dark	15.846049999999998	13.2143	18.4778