condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.6811133333333333 0.0 2.04334 9 h after light 0.5665366666666667 0.0 1.69961 12 h after light 0.54548 0.0 1.63644 3 h after dark 0.0 0.0 0.0 6 h after dark 0.5898 0.0 1.7694 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0