[gradsusr] Problem with GrADS in reading ECMWF synoptic monthly means data

[Mubashar Dogar]

Dear GrADS users,

I am facing a problem with time steps of a netcdf file downloaded for
synoptic monthly means of ECMWF ERA-INTERIM forecast product for the year
1989 (downloaded for surface total precipitation for all time steps
available from: http://data-portal.ecmwf.int/data/d/interim_mnth/). This
file is basically synoptic monthly means generated by long term average of
corresponding 3 hour in all the days of a month, giving 8 time steps in a
month. So instead of reading 96 values that represents to 12 months (8
values in each months) GrADS read all these values by considering 8 time
steps in a day instead in a month. I mean GrADS reads these hours in a daily
format instead of monthly. Does GrADS not deal with synoptic monthly means?
I have grib file as well for the same data, what should be time increment in
a ctl file to open the same grib file?


Mubashar Dogar
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