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State of the Climate Global Analysis September 2012

National Oceanic and Atmospheric Administration

National Climatic Data Center

 

Contents of this Section:

• Introduction
• Temperatures
• Precipitation
• References

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September 2012 Selected Climate
Anomalies and Events Map

Global Highlights

• The average combined global land and ocean surface temperature for September 2012 tied with 2005 as the warmest September on record, at 0.67°C (1.21°F) above the 20^th century average of 15.0°C (59.0°F). Records began in 1880.


• The globally-averaged land surface temperature for September 2012 was the third warmest September on record, at 1.02°C (1.84°F) above average. The globally-averaged ocean surface temperature tied with 1997 as the second warmest September on record, at 0.54°C (0.97°F) above average.


• The average combined global land and ocean surface temperature for January–September 2012 was the eighth warmest such period on record, at 0.57°C (1.03°F) above the 20^th century average.