condition	mean	min	max
4 h after light	6.639514999999999	5.58496	7.69407
8 h after light	6.69911	6.44665	6.95157
12 h after light	9.447725	8.37565	10.5198
4 h after dark	16.3171	16.2863	16.3663
8 h after dark	12.761233333333333	11.5918	13.5077
12 h after dark	11.451253333333334	9.25766	13.3023