condition	mean	min	max
4 h after light	14.470424999999999	11.224198	17.716652
8 h after light	15.7721485	15.620387	15.92391
12 h after light	15.0990415	14.671493	15.52659
4 h after dark	16.2797335	14.575587	17.98388
8 h after dark	12.285176	10.948315	13.622037
12 h after dark	10.414577	10.414577	10.414577