condition	mean	min	max
4 h after light	7.04935	6.8262	7.328069999999999
8 h after light	7.23495	7.118130000000001	7.438
12 h after light	7.00082	6.323169999999999	7.39303
4 h after dark	6.657946666666667	6.379630000000001	6.81002
8 h after dark	6.5016799999999995	6.21945	6.9320699999999995
12 h after dark	6.478366666666667	6.1177	6.7954