condition	mean	min	max
4 h after light	5.871090000000001	5.73329	5.95014
8 h after light	5.85606	5.502330000000001	6.40164
12 h after light	5.68827	5.54651	5.83821
4 h after dark	5.368833333333333	5.263240000000001	5.457409999999999
8 h after dark	5.2885599999999995	5.22326	5.37305
12 h after dark	5.29654	5.25376	5.33554