condition	mean	min	max
4 h after light	4.378196666666667	4.332990000000001	4.4043
8 h after light	4.415116666666667	4.3070900000000005	4.57961
12 h after light	4.32347	4.17462	4.46804
4 h after dark	4.39165	4.30954	4.45124
8 h after dark	4.27024	4.0046800000000005	4.4771
12 h after dark	4.432646666666667	4.35226	4.5869599999999995