condition	mean	min	max
4 h after light	1.884725	1.35336	2.41609
8 h after light	11.69185	11.5439	11.8398
12 h after light	11.157060000000001	9.82052	12.4936
4 h after dark	9.906285	9.09477	10.7178
8 h after dark	3.79185	3.78349	3.80021
12 h after dark	3.33495	2.91197	3.75793