condition	mean	min	max
4 h after light	5.237323333333333	5.04588	5.51585
8 h after light	5.1116399999999995	5.06201	5.1482
12 h after light	4.994346666666667	4.859030000000001	5.12589
4 h after dark	5.3415099999999995	5.17935	5.59437
8 h after dark	5.276596666666666	5.148569999999999	5.4730300000000005
12 h after dark	5.245126666666667	5.05569	5.48548