condition	mean	min	max
0 h after light	7.138355	3.29011	10.9866
4 h after light	4.3974899999999995	4.32515	4.46983
8 h after light	5.5034849999999995	5.42509	5.58188
4 h after dark	7.552474999999999	6.48814	8.61681
8 h after dark	7.578984999999999	4.35687	10.8011
12 h after dark	5.40457	4.38091	6.42823