pdf of cloud cover

From: Axel Seifert <Axel.Seifert_at_nyahnyahspammersnyahnyah>
Date: Thu May 26 2011 - 06:53:29 MDT

Dear NCL users,

I think I just learned some behavior of pdfxy which I would like to share.

To evaluate the PDF of cloud cover I specified

      res@binx_min = 0.
      res@binx_max = 1.

but the result was not exactly what I wanted to have. It seems that the
maximum specified by binx_max, 1 in this case, is not part of the last
bin when using pdfxy. In case of cloud cover I was loosing all grid
points with overcast conditions. Only after using

      res@binx_min = 0.
      res@binx_max = 1.00001

I think I have now the desired result. Maybe somebody can confirm this,
but since Dennis sent me the fortran code of pdfxy some time ago I am
quite confident about this.

Just in case somebody stumbles across the same problem.

Best regards, Axel

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Received on Thu May 26 06:53:39 2011

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