Download and visulize climate indices from NOAA website http://www.esrl.noaa.gov/psd/gcos_wgsp/Timeseries/
print_database()
: print information of the available climate indices (e.g. long_name, url).get_climate_index(climate_index_name=None)
: get the climate index as a pandas Series instance (if None, print the database).plot_climate_index(climate_index_name)
: plot the climate index time series.
http://nbviewer.ipython.org/github/wy2136/climate_index/blob/master/climate_index.ipynb
https://dl.dropboxusercontent.com/u/16364556/climate_index_doc/html/index.html