condition	mean	min	max
4 h after light	3.984655	3.09615	4.87316
8 h after light	3.38269	3.09814	3.66724
12 h after light	4.70174	4.41098	4.9925
4 h after dark	5.976693333333333	5.62144	6.42759
8 h after dark	6.289906666666667	6.04477	6.66767
12 h after dark	3.90336	3.87679	3.93166