condition	mean	min	max
4 h after light	7.765569999999999	7.635619999999999	8.00947
8 h after light	7.915979999999999	7.6506	8.259139999999999
12 h after light	8.056519999999999	7.880889999999999	8.2193
4 h after dark	7.813246666666667	7.731310000000001	7.97328
8 h after dark	7.660436666666667	7.5015600000000004	7.7431600000000005
12 h after dark	7.533846666666666	7.369339999999999	7.689039999999999