condition	mean	min	max
4 h after light	4.721795	4.0557	5.38789
8 h after light	2.09528	2.08319	2.10737
12 h after light	4.575255	4.06426	5.08625
4 h after dark	12.21575	11.7909	12.6406
8 h after dark	12.518899999999999	12.3738	12.664
12 h after dark	9.03243	8.49894	9.56592