condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.021516533333333334 0.0 0.0645496 3 h after dark 0.0 0.0 0.0 6 h after dark 0.06262466666666668 0.0 0.187874 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0