foo = Dataset('chirps-v2.0.monthly.as.nc', 'w', format='NETCDF3_CLASSIC') foo.createDimension('time', None) foo.createDimension('latitude', pcp.shape[1]) foo.createDimension('longitude', pcp.shape[2]) foo.institution = 'Climate Hazards Group. University of California at Santa Barbara' foo.creator_name = 'Pete Peterson' foo.history = 'created by Climate Hazards Group - Modified by Funceme (NetCDF3 - South America)' foo.title = 'CHIRPS Version 2.0' foo.creator_email = '*****@*****.**' foo.documentation = 'http://pubs.usgs.gov/ds/832/' foo.comments = 'time variable denotes the first day of the given month.' foo.ftp_url = 'ftp://chg-ftpout.geog.ucsb.edu/pub/org/chg/products/CHIRPS-latest/' foo.website = 'http://chg.geog.ucsb.edu/data/chirps/index.html' foo.faq = 'http://chg-wiki.geog.ucsb.edu/wiki/CHIRPS_FAQ' foo.version = 'Version 2.0' foo.date_created = '2015-12-02' lats = foo.createVariable('latitude', 'f4', ('latitude')) lats.units = 'degrees_north' lats.long_name = 'latitude' lats.axis = "Y" lats[:] = lat[:] lons = foo.createVariable('longitude', 'f4', ('longitude')) lons.units = 'degrees_east' lons.long_name = 'longitude' lons.axis = "X" lons[:] = lon[:]