condition	mean	min	max
4 h after light	7.14887	5.69243	8.60531
8 h after light	10.87306	9.29602	12.4501
12 h after light	5.184095	2.83834	7.52985
4 h after dark	17.5094	14.8851	20.1337
8 h after dark	12.35562	7.45934	17.2519
12 h after dark	10.885349999999999	7.3437	14.427