condition	mean	min	max
4 h after light	5.352775	4.79311	5.91244
8 h after light	6.97351	6.69588	7.25114
12 h after light	7.100474999999999	6.85011	7.35084
4 h after dark	7.964295	7.05391	8.87468
8 h after dark	6.75475	6.53662	6.97288
12 h after dark	6.737550000000001	6.5159	6.9592