condition	mean	min	max
0 h after light	16.16805	15.3503	16.9858
4 h after light	8.22054	6.74703	9.69405
8 h after light	6.88538	6.12773	7.64303
4 h after dark	14.8088	14.4431	15.1745
8 h after dark	14.277650000000001	13.9502	14.6051
12 h after dark	13.1114	12.8932	13.3296