condition	mean	min	max
4 h after light	15.7101	15.5708	15.8494
8 h after light	14.2229	13.2511	15.1947
12 h after light	14.21495	13.6385	14.7914
4 h after dark	11.2378	10.6325	12.0077
8 h after dark	11.8914	11.1091	12.3878
12 h after dark	15.348466666666667	14.4808	16.6463