condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.01464395 0.0 0.0292879 4 h after dark 0.008257433333333333 0.0 0.0247723 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0