condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.032215266666666666 0.0 0.0966458 12 h after light 0.057465 0.0249822 0.0838925 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0