condition	mean	min	max
0 h after light	6.205225	5.90291	6.50754
4 h after light	8.10785	7.34178	8.87392
8 h after light	9.682675	9.57724	9.78811
4 h after dark	10.4025	10.2705	10.5345
8 h after dark	8.532725	8.39242	8.67303
12 h after dark	7.53221	7.36933	7.69509