condition	mean	min	max
4 h after light	2.6379526666666666	2.546998	2.75961
8 h after light	2.0140029999999998	1.518006	2.313096
12 h after light	1.3694983333333335	1.312832	1.4203350000000001
16 h after light	2.9878466666666665	2.297275	3.510651
4 h after dark	2.1439136666666667	1.9604380000000001	2.3974349999999998
8 h after dark	1.495123	1.479625	1.5031079999999999