condition	mean	min	max
4 h after light	6.073485	5.91001	6.23696
8 h after light	3.1892449999999997	3.14485	3.23364
12 h after light	3.70217	3.2957	4.10864
4 h after dark	3.8509349999999998	3.74695	3.95492
8 h after dark	6.223380000000001	6.0564	6.39036
12 h after dark	6.023210000000001	5.7488	6.29762