condition	mean	min	max
4 h after light	7.09355	6.697539999999999	7.604939999999999
8 h after light	7.815723333333334	7.452719999999999	8.08773
12 h after light	8.2817	8.200510000000001	8.38517
4 h after dark	7.476843333333333	7.452089999999999	7.51479
8 h after dark	6.775406666666667	6.664739999999999	6.86672
12 h after dark	6.368986666666666	6.16099	6.74936