condition mean min max 0 h after light 0.1422333 0.0947096 0.189757 4 h after light 0.2381315 0.186757 0.289506 8 h after light 0.09505459999999999 0.0937006 0.0964086 4 h after dark 0.0 0.0 0.0 8 h after dark 0.14030865 0.0940633 0.186554 12 h after dark 0.279627 0.189165 0.370089