condition	mean	min	max
4 h after light	7.832656666666666	7.552739999999999	8.12399
8 h after light	7.8335566666666665	7.6647300000000005	8.0663
12 h after light	7.78759	7.529139999999999	8.10074
4 h after dark	7.599716666666667	7.4615800000000005	7.843
8 h after dark	7.45854	7.24982	7.65371
12 h after dark	7.428796666666667	7.204680000000001	7.67592