condition	mean	min	max
0 h after light	4.146615	3.72498	4.56825
4 h after light	3.09718	2.51389	3.68047
8 h after light	1.33206	1.29773	1.36639
4 h after dark	2.560855	2.30454	2.81717
8 h after dark	4.99337	4.39453	5.59221
12 h after dark	4.513585	4.35896	4.66821