condition	mean	min	max
4 h after light	5.012283333333333	4.91133	5.13514
8 h after light	4.87905	4.7845699999999995	5.06158
12 h after light	4.681023333333333	4.60201	4.74828
4 h after dark	4.9041500000000005	4.829330000000001	5.00856
8 h after dark	4.762533333333334	4.57645	4.93192
12 h after dark	4.899446666666667	4.80863	4.966480000000001