condition	mean	min	max
4 h after light	4.27047	3.69814	4.8428
8 h after light	4.33739	4.19349	4.48129
12 h after light	3.293545	3.23827	3.34882
4 h after dark	5.549356666666666	5.41288	5.6514
8 h after dark	8.51294	7.31096	9.51495
12 h after dark	5.084266666666667	5.00781	5.12267