condition	mean	min	max
4 h after light	8.557345	7.75689	9.3578
8 h after light	8.10379	7.75933	8.44825
12 h after light	5.670995	3.87457	7.46742
4 h after dark	10.97549	9.76977	11.9595
8 h after dark	8.295053333333334	7.05785	9.77659
12 h after dark	7.39001	5.88516	9.0113