condition	mean	min	max
4 h after light	18.5787	18.4203	18.7371
8 h after light	13.1989	13.1773	13.2205
12 h after light	10.9512	10.9248	10.9776
4 h after dark	10.43093	9.63606	11.2258
8 h after dark	9.93223	9.59796	10.2665
12 h after dark	14.051300000000001	13.6822	14.4204