condition mean min max 4 h after light 0.07952875 0.0532945 0.105763 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.04619725 0.0 0.0923945 12 h after dark 0.0 0.0 0.0