condition	mean	min	max
4 h after light	14.128321	13.382922	14.87372
8 h after light	11.7838015	10.516898	13.050705
12 h after light	13.286545	11.995204	14.577886
4 h after dark	14.710800500000001	9.650615	19.770986
8 h after dark	18.438459	16.944269	19.932649
12 h after dark	25.25645	25.25645	25.25645