condition	mean	min	max
0 h after light	7.1659	6.93455	7.39725
4 h after light	9.40257	8.36704	10.4381
8 h after light	8.12142	6.97729	9.26555
4 h after dark	11.778905	7.56141	15.9964
8 h after dark	11.412949999999999	10.761	12.0649
12 h after dark	5.5536	4.67637	6.43083