condition	mean	min	max
4 h after light	1.68227	1.40591	1.95863
8 h after light	11.249600000000001	9.5213	12.9779
12 h after light	14.72495	14.4401	15.0098
4 h after dark	11.94305	11.9299	11.9562
8 h after dark	5.23274	5.22758	5.2379
12 h after dark	2.551865	2.16937	2.93436