condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.01452345 0.0111799 0.017867 12 h after light 0.0065142 0.0 0.0130284 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.005077333333333334 0.0 0.015232