condition	mean	min	max
4 h after light	5.01773	4.83985	5.35302
8 h after light	4.94308	4.689430000000001	5.28515
12 h after light	4.839426666666666	4.51538	5.195869999999999
4 h after dark	4.81163	4.65469	4.91384
8 h after dark	4.869933333333333	4.53489	5.2194199999999995
12 h after dark	4.86097	4.68602	5.17633