condition	mean	min	max
4 h after light	3.34461	2.89558	3.79364
8 h after light	3.90957	3.79981	4.01933
12 h after light	4.31844	3.65759	4.97929
4 h after dark	5.506095	5.29141	5.72078
8 h after dark	5.247285	5.09816	5.39641
12 h after dark	5.436765	5.31174	5.56179