Global temperatures were 10th warmest on record for May

June 16, 2011

Global surface temperature Anomalies - May 2011.

Global surface temperature Anomalies - May 2011.
High Resolution (Credit: NOAA)

The globe experienced the 10th warmest May since record keeping began in 1880, as the climate phenomenon La Niña ended its 2011 cycle. The Arctic sea ice extent was the third smallest extent for May on record.

The monthly analysis from NOAA’s National Climatic Data Center is part of the suite of climate services NOAA provides government, business and community leaders so they can make informed decisions.

Global temperature highlights:  May

Global temperature highlights: March – May

Global temperature highlights: Year-to-date

Polar sea ice and precipitation highlights

Scientists, researchers and leaders in government and industry use NOAA’s monthly reports to help track trends and other changes in the world's climate. This climate service has a wide range of practical uses, from helping farmers know what and when to plant, to guiding resource managers with critical decisions about water, energy and other vital assets.

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* NOAA is now making it easier to find information about margins of error associated with its global temperature calculations. NCDC previously displayed this information in certain graphics associated with the report, but it will now publish these ranges in the form of “plus or minus” values associated with each monthly temperature calculation. These values are calculated using techniques published in peer-reviewed scientific literature. More information.