condition mean min max 4 h after light 249.14350000000002 245.954 252.333 8 h after light 132.098 131.627 132.569 12 h after light 103.334 101.542 105.126 4 h after dark 90.3426 90.3237 90.3615 8 h after dark 120.1105 119.91 120.311 12 h after dark 151.09699999999998 146.946 155.248