condition	mean	min	max
4 h after light	7.9649133333333335	2.48085	15.7991
8 h after light	4.65304	1.88543	7.51917
12 h after light	5.3430800000000005	3.98997	7.188
4 h after dark	7.71174	6.69192	8.48986
8 h after dark	6.750243333333334	6.36878	7.30173
12 h after dark	8.03101	6.57038	10.1603