condition	mean	min	max
4 h after light	3.4740206666666666	3.3079970000000003	3.7619839999999996
8 h after light	2.4940480000000003	1.724291	2.8868970000000003
12 h after light	1.6110453333333334	1.449594	1.775138
16 h after light	3.988428	2.936795	5.07723
4 h after dark	2.789107	2.455653	3.192565
8 h after dark	1.741899	1.6834740000000001	1.7797060000000002