condition	mean	min	max
4 h after light	5.864345	5.52954	6.19915
8 h after light	2.468895	2.34	2.59779
12 h after light	4.98095	3.52199	6.43991
4 h after dark	5.82955	5.43862	6.59029
8 h after dark	7.99268	7.31793	8.54853
12 h after dark	6.7158766666666665	5.26784	8.52657