condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.020956233333333334 0.0 0.0628687 12 h after light 0.027546933333333332 0.0 0.0826408 4 h after dark 0.05227846666666667 0.0304647 0.0683846 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0