condition	mean	min	max
4 h after light	5.031765	3.97681	6.08672
8 h after light	4.45843	4.18954	4.72732
12 h after light	4.59724	4.41793	4.77655
4 h after dark	5.30601	5.20805	5.38742
8 h after dark	4.38635	4.27064	4.5765
12 h after dark	4.726956666666667	4.4825	5.14144