condition	mean	min	max
4 h after light	4.708103333333333	4.69878	4.7153599999999996
8 h after light	4.76565	4.5334	5.02182
12 h after light	4.54538	4.39604	4.8091
4 h after dark	4.567853333333333	4.51989	4.6477699999999995
8 h after dark	4.4962599999999995	4.30967	4.65245
12 h after dark	4.547236666666667	4.38922	4.723330000000001