downloading multiple radolan data

[Shiva Mirdar]

Hello

Last year I used these codes to retrieve data from FTP database, today I noticed the database changed to HTTP. Now I don't know how to retrieve data.

ftp=ftplib.FTP ('ftp-cdc.dwd.de')
ftp.login ('anonymous' , '1234')
#ftp directory
ftp.cwd('pub/CDC/grids_germany/hourly/radolan/recent/bin/')
fnbase ='raa01-rw_10000-'
fnend ='-dwd---bin.gz'

#!!!!!!!!!!!!!!!!!!!!!!!!!
# insert the date and time
start = "2019-05-20 11:50:00"
end = "2019-05-22 11:50:00"
#!!!!!!!!!!!!!!!!!!!!!!!!!

dtimes = wrl.util.from_to(start, end,  60*60 )

for dtime in dtimes:
    date=dtime.strftime("%y%m%d%H%M")
    fn = fnbase + str (date) + fnend
    with open(fn ,'wb') as fhandle:
        ftp.retrbinary('RETR %s' % fn, fhandle.write)
        
    print (str(date), 'rw downloaded')

I want to download multiple data, then turn them to TIF file and at the end make a sum of daily/monthly TIF fil.

Thank you

Shiva

[Kai Muehlbauer]

Hi Shiva,

you might look at this example on how to retrieve data from the opendata
server of the german met service (DWD):

https://docs.wradlib.org/en/stable/notebooks/fileio/wradlib_load_DWD_opendata_volumes.html

Sure you would need to adapt it to your specific data (naming etc).

Cheers,
Kai
Am 06.05.20 um 16:50 schrieb Shiva Mirdar:

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Kai Muehlbauer
Institute of Geosciences, Meteorology Section, University of Bonn
Auf dem Huegel 20 | +49 228 739083
D-53121 Bonn | kai.mue...@uni-bonn.de