condition	mean	min	max
4 h after light	5.446585	5.26038	5.63279
8 h after light	5.223325	4.88969	5.55696
12 h after light	5.897715	5.69715	6.09828
4 h after dark	8.078009999999999	7.58759	8.56843
8 h after dark	7.34718	6.97935	7.71501
12 h after dark	7.224685	6.92787	7.5215