condition	mean	min	max
4 h after light	4.073165	3.45989	4.68644
8 h after light	5.72123	4.94615	6.49631
12 h after light	7.4708000000000006	7.44496	7.49664
4 h after dark	12.02885	11.6607	12.397
8 h after dark	8.604735	8.02164	9.18783
12 h after dark	6.775385	6.70814	6.84263