Use the CDO for many files and many variables.
====
CDO: Download and read the documentation at:
www.mpimet.mpg.de/fileadmin/software/cdo/cdo.pdf
cdo daymean in.nc out.nc
Please, *do not* send CDO related questions to ncl-talk.
ncl-talk *does not* support the CDO.
Send all CDO related questions to the URLs listed at
https://code.zmaw.de/projects/cdo
=======================================================
NCL:
x3 = f->X ; (time,lat,lon) time is 3-hrly
dimx3 = dimsizes(x3)
ntim3 = dimx3(0)
nsd = 8 ; number of samples per day
xday = x3(::nsd,:,:) ; create array with meta data
do nt=0,ntim3-1,nsd
xday(nt/nsd,:,:) = (/ dum_avg_n(nt:nt+nsd-1,:,:) /)
end do
diro = "./" ; output directory
filo = "day.nc"
system ("/bin/rm -f "+diro+filo)
fnc = addfile (diro+filo, "c")
filAtt = 0
filAtt@title = "..."
filAtt@Conventions = "None"
filAtt@creation_date = systemfunc("date")
fileattdef( fnc, filAtt ) ; create file attributes
filedimdef(ncdf,"time",-1,True) ; make time UNLIMITED
fnc->XDAY = xday
On 05/18/2011 07:16 AM, donggt wrote:
> Hello , is there any method in ncl or in nco to convert a 3 hourly nc
> file to daily nc file ? Thank you !
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Received on Wed May 18 10:19:21 2011
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