Monday, September 23, 2013

August 2013 Global Temperature Anomalies


August 2013 Global Temperature Anomalies




Headline: August 2013 Global land and ocean combined, 4th warmest on record
Headline: August 2013 Global ocean temperatures, tied for record warmest


The global data set has 134 years of data (1880-2013). Scroll down past the map for a summary of the global May 2013 climate data.



According to NOAA scientists, the globally-averaged temperature over land and ocean surfaces for August 2013 tied with 2005 as the fourth warmest August since record keeping began in 1880. It also marked the 35th consecutive August and 342nd consecutive month (more than 28 years) with a global temperature above the 20th century average. The last below-average August global temperature was August 1978 and the last below-average global temperature for any month was February 1985.

Most areas of the world experienced warmer-than-average monthly temperatures, including: New Zealand, Australia, northern South America, western North America, Europe, much of eastern Asia, and most of the global ocean regions. Far eastern China, part of northeastern South America, part of the Barents Sea, sections of the western Pacific Ocean, and part of the south central Indian Ocean  were record warm. Meanwhile, the southeastern United States, Far East Russia, northern South Africa, Paraguay, Bolivia, and the eastern equatorial Pacific Ocean were cooler than average. No regions of the globe were record cold.


Global temperature highlights: August
  • The combined average temperature over global land and ocean surfaces for August tied with 2005 as the fourth highest on record for August at 61.22°F (16.22°C), or 1.12°F (0.62°C), above the 20th century average of 60.1°F (15.6°C). The margin of error associated with this temperature is +/- 0.22°F (0.12°C).
  • The global land temperature was the 11th warmest August on record, at 1.39°F (0.77°C) above the 20th century average of 56.9°F (13.8°C). The margin of error is +/- 0.41°F (0.23°C).
  • Some national temperature highlights include:
    • South Korea reported its warmest average August temperature since national records began in 1973, at 4.0 F (2.2 C) above the 1981-2010 average.
    • New Zealand observed its warmest August since national records began in 1909, at 3.4°F (1.9°C) above the 1971-2000 monthly average.
    • Australia reported its second warmest nationally-averaged August temperature since records began in 1910, at 2.88°F (1.60°C) above the 1961-1990 average. With the exception of the southernmost island state of Tasmania, all states and territories had average temperatures that were among their 10 highest for August.
  • For the ocean, the August global sea surface temperature was 1.03°F (0.57°C) above the 20th century average of 61.4°F (16.4°C), tying with 1998, 2003, 2005, and 2009 as the record highest for August on record. The margin of error is +/- 0.09°F (0.05°C).
Neither El Niño nor La Niña conditions were present across the central and eastern equatorial Pacific Ocean during August, with sea surface temperatures below average in the eastern equatorial Pacific. According to NOAA's Climate Prediction Center, neutral conditions are favored through the Northern Hemisphere winter 2013/14.

 

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