condition	mean	min	max
4 h after light	4.994223333333333	4.806769999999999	5.16999
8 h after light	4.782286666666667	4.66246	4.971080000000001
12 h after light	4.79696	4.7748800000000005	4.81944
4 h after dark	4.869446666666667	4.78951	4.988090000000001
8 h after dark	4.98569	4.84084	5.182869999999999
12 h after dark	4.899273333333333	4.74401	5.10226