condition	mean	min	max
4 h after light	7.428326666666666	7.34054	7.567489999999999
8 h after light	7.978000000000001	7.858230000000001	8.191130000000001
12 h after light	8.601126666666666	8.4515	8.764339999999999
4 h after dark	6.862913333333333	6.596019999999999	7.07015
8 h after dark	6.634146666666667	6.28189	6.85067
12 h after dark	5.91224	5.7432099999999995	6.1653