Looping through dtrend function

Hi;
I am trying to detrend a monthly time series, month by month:
nmos = 12ntim = dimsizes(x)
  do n = 0,ntim-1,nmosx_dtrnd = dtrend(x,False)
  end do
print(x_dtrnd(0:11))
But the result doesn't look correct, looks like deviations from annual mean. What could be wrong?
Hyacinth

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Received on Mon Oct 22 21:20:37 2012