condition	mean	min	max
4 h after light	18.33725	13.3375	23.337
8 h after light	14.23375	13.5882	14.8793
12 h after light	14.224699999999999	13.8555	14.5939
4 h after dark	10.237953333333333	9.47277	11.4863
8 h after dark	14.9707	13.1363	17.6156
12 h after dark	14.674666666666667	14.3976	14.9562