condition mean min max 4 h after light 1798.652 1691.9820000000002 1892.1129999999998 8 h after light 1384.4793333333332 1344.125 1409.024 12 h after light 692.8290333333333 611.8653 809.6499 16 h after light 1280.82 1069.595 1614.3529999999998 4 h after dark 1296.476 1236.875 1381.361 8 h after dark 1317.451 950.579 1565.037