condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.03546866666666667 0.0 0.106406 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.019486233333333335 0.0 0.0584587 12 h after dark 0.0 0.0 0.0