condition mean min max 3 h after light 4.325996666666667 3.76463 4.78292 6 h after light 4.66076 3.29907 6.76642 9 h after light 6.45324 4.52491 8.88478 12 h after light 7.50087 5.72717 9.1596 3 h after dark 10.89746 7.91808 12.4741 6 h after dark 5.18644 4.43059 6.33607 9 h after dark 3.83127 3.13546 4.62426 12 h after dark 4.695259999999999 4.58658 4.80394