condition	mean	min	max
0 h after light	10.342044999999999	9.04979	11.6343
4 h after light	9.47608	5.99696	12.9552
8 h after light	8.491665000000001	6.82713	10.1562
4 h after dark	19.7303	18.6243	20.8363
8 h after dark	14.481349999999999	13.7299	15.2328
12 h after dark	11.81005	10.1151	13.505