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 0.08653125 0.0 0.346125 3 h after dark 0.0 0.0 0.0 6 h after dark 0.12362133333333335 0.0 0.370864 9 h after dark 0.0 0.0 0.0 12 h after dark 0.1260235 0.110339 0.141708