condition	mean	min	max
4 h after light	6.04988	5.96706	6.1022300000000005
8 h after light	6.264256666666667	6.15609	6.35005
12 h after light	6.61305	6.48388	6.75145
4 h after dark	6.3117600000000005	6.25478	6.41159
8 h after dark	6.291300000000001	6.21807	6.34759
12 h after dark	6.173376666666667	6.135190000000001	6.200419999999999