condition	mean	min	max
0 h after light	7.137655	6.22021	8.0551
4 h after light	5.946075	4.63751	7.25464
8 h after light	7.040635	7.02675	7.05452
4 h after dark	14.1455	14.0614	14.2296
8 h after dark	8.66351	8.28724	9.03978
12 h after dark	7.15368	7.04515	7.26221