condition	mean	min	max
4 h after light	4.659705	4.03815	5.28126
8 h after light	2.8805899999999998	2.71231	3.04887
12 h after light	2.0610049999999998	1.77829	2.34372
4 h after dark	3.5626966666666666	2.63662	4.91034
8 h after dark	7.510546666666667	5.89128	8.5637
12 h after dark	5.229769999999999	4.6202	6.38925