condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0091287 0.0 0.0182574 4 h after dark 0.019235633333333335 0.0 0.0315589 8 h after dark 0.028211366666666664 0.0 0.0574764 12 h after dark 0.019526766666666667 0.0 0.0460982