condition	mean	min	max
0 h after light	6.26253	6.08459	6.44047
4 h after light	6.499359999999999	6.4337	6.56502
8 h after light	4.5488	4.4408	4.6568
4 h after dark	6.38228	5.99946	6.7651
8 h after dark	5.562215	5.24493	5.8795
12 h after dark	5.671285	5.49545	5.84712