condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.016934266666666666 0.0 0.0508028 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0233959 0.0 0.039102 6 h after dark 0.019275766666666666 0.0 0.0309725 9 h after dark 0.007612033333333334 0.0 0.0228361 12 h after dark 0.0 0.0 0.0