condition mean min max 4 h after light 2.3487400000000003 2.32826 2.36922 8 h after light 3.8828899999999997 3.71179 4.05399 12 h after light 3.8373049999999997 3.7974 3.87721 4 h after dark 4.02679 3.51781 4.53577 8 h after dark 3.7955550000000002 3.52319 4.06792 12 h after dark 3.66339 3.65492 3.67186