condition mean min max 4 h after light 435.52761999999996 432.870614 438.184626 8 h after light 477.6670825 460.390548 494.943617 12 h after light 504.0601785 498.509535 509.610822 4 h after dark 428.387581 338.059404 518.715758 8 h after dark 441.790347 382.673119 500.907575 12 h after dark 377.91427 377.91427 377.91427