condition	mean	min	max
0 h after light	3.50095	3.22	3.7819
4 h after light	4.397455	4.26948	4.52543
8 h after light	3.785745	3.61684	3.95465
4 h after dark	4.589365	4.47105	4.70768
8 h after dark	6.478675	6.39605	6.5613
12 h after dark	3.73266	3.36257	4.10275