condition	mean	min	max
4 h after light	7.896533333333333	5.53894	9.46998
8 h after light	3.16402	1.47987	4.29153
12 h after light	1.749164	0.982812	2.6614
4 h after dark	3.0813266666666665	2.28655	4.25859
8 h after dark	7.40894	6.45823	8.05941
12 h after dark	14.1764	13.222	14.7554