Pacific Decadal Oscillation Index Data

Monthly Pacific Decadal Oscillation (PDO) index values from January 1900 to September 2018. Superseded by 'rsoi' package which includes the historical and most recent monthly PDO index values together with related climate indices.

lifecycle Travis-CI BuildStatus AppVeyor buildstatus CoverageStatus License:CC0 CRAN_Status_Badge DOI

rpdo is an R data package of Monthly Pacific Decadal Oscillation (PDO) index values from January 1900 to September 2018.

The function pdo_download() scrapes the most recent data from


data <- rpdo::pdo
data <- subset(data, data$Month == 1)
ggplot(data = data, aes(x = Year, y = PDO)) + 
geom_smooth(span = 0.1, se = FALSE, color = "black", method = 'loess') + geom_point() + ylab("January PDO Index")

Pacific Decadal Oscillation (PDO) Index for January byyear.


To install the latest official release from CRAN


See Also

The rsoi package which provides El Nino/Southern Oscillation (ENSO) and Related Climate Indices.


For more information see


rpdo 0.2.5

  • Added values from July 2018 to September 2018.

rpdo 0.2.4

  • Added values from January 2018 to June 2018.

rpdo 0.2.3

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

rpdo 0.2.2

  • Added values from December 2016 to February 2017.

rpdo 0.2.1

  • Added values from April 2016 to November 2016.

rpdo 0.2.0

  • 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.

rpdo 0.1.2

  • Added values from December 2015 to February 2016.

rpdo 0.1.1

  • Added values for October and November 2015.

rpdo 0.1.0

  • Added values for August and September 2015.

rpdo 0.0.1

  • Released values from January 1900 to July 2015.

Reference manual

It appears you don't have a PDF plugin for this browser. You can click here to download the reference manual.


0.3.1 by Joe Thorley, 2 years ago

Report a bug at

Browse source code at

Authors: Joe Thorley [aut, cre] , Nathan Mantua [aut, dtc] , Steven R. Hare [aut, dtc]

Documentation:   PDF Manual  

Task views: Hydrological Data and Modeling

CC0 license

Imports chk, utils, stats, lifecycle

Suggests covr, ggplot2, rlang, testthat

See at CRAN