condition	mean	min	max
4 h after light	5.92115	5.87345	6.01284
8 h after light	5.943113333333334	5.69555	6.276730000000001
12 h after light	5.920846666666667	5.74209	6.15201
4 h after dark	5.85897	5.71746	6.0778300000000005
8 h after dark	5.893156666666667	5.72541	6.08994
12 h after dark	5.8559600000000005	5.801740000000001	5.89775