condition	mean	min	max
4 h after light	6.335485	6.27846	6.39251
8 h after light	7.142745	6.9165	7.36899
12 h after light	4.30453	3.95933	4.64973
4 h after dark	6.849313333333334	5.988	7.37575
8 h after dark	9.01463	7.44907	10.8931
12 h after dark	5.65343	2.4606	7.30821