condition	mean	min	max
4 h after light	2.026545	1.65474	2.39835
8 h after light	3.17783	2.76382	3.59184
12 h after light	2.652405	2.56901	2.7358
4 h after dark	2.9107266666666667	2.57183	3.21989
8 h after dark	2.18705	1.8915	2.33632
12 h after dark	3.6558566666666663	3.16673	4.04644