condition	mean	min	max
4 h after light	2.644875	2.10999	3.17976
8 h after light	3.068635	2.99748	3.13979
12 h after light	3.43707	2.92148	3.95266
4 h after dark	8.3786	7.14902	9.60818
8 h after dark	5.625325	5.59875	5.6519
12 h after dark	4.925445	4.59612	5.25477