condition	mean	min	max
4 h after light	7.9338845000000005	7.326551	8.541218
8 h after light	7.6338945	7.203708	8.064081
12 h after light	8.471314	8.449477	8.493151
4 h after dark	7.850064	7.820455	7.879673
8 h after dark	8.210938500000001	8.097018	8.324859
12 h after dark	8.130156	8.130156	8.130156