condition	mean	min	max
4 h after light	10.20196	8.32742	12.0765
8 h after light	7.324805	4.24501	10.4046
12 h after light	6.827115	5.12261	8.53162
4 h after dark	11.61008	7.89154	14.6013
8 h after dark	11.260863333333333	7.97749	13.2235
12 h after dark	10.663503333333333	6.58121	13.5476