NOAA CPC Relative Oceanic Niño Index (RONI), historical table
www.cpc.ncep.noaa.gov
Inspect source provenance and supporting or contrary evidence.
Inspect the sources, claims, contrary evidence, and revisions behind a conclusion.www.cpc.ncep.noaa.gov
www.polarvortex.earth
gmao.gsfc.nasa.gov
www.ukmto.org
www.iaea.org
www.navy.mil
news.usni.org
www.presidency.ucsb.edu