condition	mean	min	max
4 h after light	9.6793415	9.538025	9.820658
8 h after light	9.359051000000001	9.162463	9.555639
12 h after light	8.926877000000001	8.785825	9.067929
4 h after dark	9.5579325	9.538025	9.57784
8 h after dark	10.015809	9.538025	10.493593
12 h after dark	9.112759	9.112759	9.112759