condition mean min max 4 h after light 482.8 482.8 482.8 8 h after light 550.9 479.0 622.8 12 h after light 556.9 533.3 580.5 4 h after dark 448.9 362.8 535.0 8 h after dark 411.04999999999995 354.2 467.9 12 h after dark 419.85 412.9 426.8