condition	mean	min	max
4 h after light	2.896025	2.50825	3.2838
8 h after light	3.132285	3.09094	3.17363
12 h after light	3.418515	3.26252	3.57451
4 h after dark	3.98727	3.8494	4.09718
8 h after dark	3.268666666666667	2.71097	3.81093
12 h after dark	2.8666566666666666	2.60022	3.25383