Re: hourly curve

Hi Mike,

I don't know about the 'ftcurvp' function.

How about the following simple approach:

[1] Create an array
      x = new ( (/nyrs*365*24/) , "float", 1e20)
    
[2]
      Assign the min and max values to 9Z & 21Z

[3]
      Use linear interpolation [linmsg] to fill the missing locations.

[4]
     This way you are assured that no onterpolated valu will be
over/under the local min/max

Good luck

D
Michael Notaro wrote:
> I haven't been able to solve the problem of ftcurvp
> freezing up my program for some data. Could
> anyone offer an alternative approach? Seems the function
> has some sort of bug.
>
> I have daily max and min Ts for 20 years. I want to
> assign the maxs and mins to 21Z and 9Z for each day.
> I need to estimate hourly temperatures for those 20 years,
> fitting some sort of curve to the maxs and mins to approximate
> a diurnal cycle.
>
> Thanks,
> Mike
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Dennis J. Shea                  tel: 303-497-1361    |
P.O. Box 3000                   fax: 303-497-1333    |
Climate Analysis Section                             |
Climate & Global Dynamics Div.                       |
National Center for Atmospheric Research             |
Boulder, CO  80307                                   |
USA                        email: shea 'at' ucar.edu |
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