@Test
public void testCloudPriors() throws Exception {

    final ClearSkyProbability clearSkyProbability = new ClearSkyProbability();
    assertEquals(0.185, clearSkyProbability.getSample(0.0, 0.0), 0.001);
    assertEquals(0.084, clearSkyProbability.getSample(20.0, 0.0), 0.001);
}