condition mean min max 4 h after light 2853.1897305 2372.795155 3333.584306 8 h after light 2619.324084 2607.403833 2631.244335 12 h after light 2313.2527099999998 2184.042594 2442.462826 4 h after dark 2659.5904419999997 2305.994701 3013.186183 8 h after dark 2291.7156864999997 2010.491544 2572.939829 12 h after dark 3190.797402 3190.797402 3190.797402