condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.08268833333333334 0.0 0.257257 10 h after light 0.021887 0.0 0.131322 14 h after light 0.05008133333333333 0.0 0.163255 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0