condition	mean	min	max
0 h after light	12.18225	12.0562	12.3083
4 h after light	3.239575	2.29922	4.17993
8 h after light	3.064225	2.30013	3.82832
4 h after dark	2.962605	2.01471	3.9105
8 h after dark	4.259195	3.93893	4.57946
12 h after dark	6.433005	4.87639	7.98962