Changes in version 0.3.2.9000                      

  - Same as previous version.

                 Changes in version 0.3.2 (2023-08-22)                  

  - Update package documentation.

                 Changes in version 0.3.1 (2020-07-09)                  

  - Superseded by rsoi package which includes the historical and most
    recent monthly PDO index values together with related climate
    indices.
  - No longer supports R 3.3.

                 Changes in version 0.3.0 (2020-03-04)                  

  - Replaced dependency on checkr with chk.

                 Changes in version 0.2.5 (2018-11-17)                  

  - Added values from July 2018 to September 2018.

                 Changes in version 0.2.4 (2018-08-15)                  

  - Added values from January 2018 to June 2018.

                 Changes in version 0.2.3 (2018-01-31)                  

  - Removed all dependencies except stats, utils and checkr.
  - Added values from February 2017 to December 2017.

                 Changes in version 0.2.2 (2017-04-12)                  

  - Added values from December 2016 to February 2017.

                 Changes in version 0.2.1 (2017-01-01)                  

  - Added values from April 2016 to November 2016.

                 Changes in version 0.2.0 (2016-05-07)                  

  - Added function download_pdo to allow users to get most recent data
    from web.
  - Added values for March 2016.
  - Moved vignette("rpdo") information to README.

                 Changes in version 0.1.2 (2016-04-03)                  

  - Added values from December 2015 to February 2016.

                 Changes in version 0.1.1 (2016-01-11)                  

  - Added values for October and November 2015.

                 Changes in version 0.1.0 (2015-10-19)                  

  - Added values for August and September 2015.

                 Changes in version 0.0.1 (2015-08-21)                  

  - Released values from January 1900 to July 2015.