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 0.1402131 0.0592159 0.298614 12 h after light 0.0287747 0.0 0.0863241 3 h after dark 0.028484466666666666 0.0 0.0854534 6 h after dark 0.06538833333333334 0.0 0.196165 9 h after dark 0.23196933333333333 0.112024 0.443136 12 h after dark 0.2493028 0.0908404 0.512832