condition	mean	min	max
4 h after light	4.152373333333333	0.0	7.81629
8 h after light	7.358983333333333	3.06056	11.6998
12 h after light	6.9958	5.08491	9.04576
4 h after dark	6.38267	4.50479	8.90816
8 h after dark	4.86268	2.95134	8.31399
12 h after dark	4.8816733333333335	4.0249	6.39239