condition	mean	min	max
4 h after light	5.962746666666666	5.769419999999999	6.2341
8 h after light	5.910806666666667	5.678059999999999	6.0762599999999996
12 h after light	5.90688	5.62555	6.31489
4 h after dark	5.892259999999999	5.836119999999999	5.94797
8 h after dark	5.765163333333334	5.54964	5.8975599999999995
12 h after dark	5.731996666666667	5.54706	6.0309800000000005