condition	mean	min	max
4 h after light	5.860385	5.67923	6.04154
8 h after light	6.194485	5.17551	7.21346
12 h after light	6.851235000000001	6.60744	7.09503
4 h after dark	5.26893	4.40017	6.13769
8 h after dark	3.9808700000000004	3.55165	4.41009
12 h after dark	4.0914	4.07037	4.11243