condition	mean	min	max
4 h after light	2.12087	1.67887	2.56287
8 h after light	3.930255	2.9428	4.91771
12 h after light	6.41533	6.38944	6.44122
4 h after dark	7.709145	7.26009	8.1582
8 h after dark	4.48215	3.63823	5.32607
12 h after dark	3.86573	3.43326	4.2982