condition	mean	min	max
4 h after light	1.9734850000000002	1.8425	2.10447
8 h after light	3.79187	3.77783	3.80591
12 h after light	3.807595	3.71563	3.89956
4 h after dark	3.661885	3.04116	4.28261
8 h after dark	3.563185	3.08449	4.04188
12 h after dark	2.48609	2.40153	2.57065