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Land-sea data show this year’s June-August the 2nd warmest ever

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August 2010 Land Surface Temperature. Anomalies in degrees Celsius. Image: August 2010 global analysis of the National Climatic Data Center, National Oceanic and Atmospheric Administration

August 2010 Land Surface Temperature. Anomalies in degrees Celsius. Image: August 2010 global analysis of the National Climatic Data Center, National Oceanic and Atmospheric Administration

The August 2010 global analysis of the National Climatic Data Center, National Oceanic and Atmospheric Administration, is available. The analysis has said that the combined global land and ocean surface temperature during June-August 2010 was 16.2°C (61.3°F), which is 0.64°C (1.15°F) above the 20th century average of 15.6°C (60.1°F).

This has caused the second warmest June-August on record, behind 1998. Warmer-than-average temperatures were present across most of the world’s land surface, with the warmest anomalies observed across eastern Europe, the eastern half of the contiguous US, and parts of eastern Canada, and eastern Asia.

However, cooler-than-average conditions were present across parts of central Russia and southern South America. Overall, the worldwide land-only surface temperature ranked as the warmest on record, surpassing the previous record set in 1998 by 0.08°C (0.14°F). The June-August 2010 worldwide land-only surface temperature was 1.00°C (1.80°F) above the 20th century average of 13.8°C (56.9°F).

August 2010 Blended Land and Sea Surface. Temperature Anomalies in degrees Celsius. Image: August 2010 global analysis of the National Climatic Data Center, National Oceanic and Atmospheric Administration

August 2010 Blended Land and Sea Surface. Temperature Anomalies in degrees Celsius. Image: August 2010 global analysis of the National Climatic Data Center, National Oceanic and Atmospheric Administration

Meanwhile, the worldwide ocean surface temperature was 0.51°C (0.92°F) above the 20th century average of 16.4°C (61.5°F), resulting in the fifth warmest such period on record. The Atlantic, Indian, and western Pacific oceans had warmer-than-average conditions, while the equatorial Pacific Ocean, and along the North and South American Pacific coast, experienced cooler-than-average conditions associated with a developing La Niña.

  • The combined global land and ocean surface temperature for August 2010 was the third warmest on record at 16.2°C (61.2°F), which is 0.60°C (1.08°F) above the 20th century average of 15.6°C (60.1°F). August 1998 is the warmest August on record and 2009 is the second warmest.
  • The August worldwide land surface temperature was 0.90°C (1.62°F) above the 20th century average of 13.8°C (56.9°F)—the second warmest August on record, behind 1998.
  • June–August 2010 Precipitation Anomalies in Millimeters. Image: August 2010 global analysis of the National Climatic Data Center, National Oceanic and Atmospheric Administration

    June–August 2010 Precipitation Anomalies in Millimeters. Image: August 2010 global analysis of the National Climatic Data Center, National Oceanic and Atmospheric Administration

    • The worldwide ocean surface temperature was 0.50°C (0.90°F) above the 20th century average of 16.4°C (61.4°F) and tied with 1997 as the sixth warmest August on record.
  • The combined global land and ocean average surface temperature for June–August 2010 was the second warmest on record, behind 1998, at 16.2°C (61.3°F), which is 0.64°C (1.15°F) above the 20th century average of 15.6°C (60.1°F).
  • The June–August worldwide land surface temperature was 1.00°C (1.80°F) above the 20th century average of 13.8°C (56.9°F)—the warmest June–August on record, surpassing the previous June–August record anomaly of 0.92°C (1.66°F) set in 1998.
  • The worldwide ocean surface temperature was 0.51°C (0.92°F) above the 20th century average of 16.4°C (61.5°F) and was the fifth warmest June–August on record.
  • For January–August 2010, the global combined land and ocean surface temperature of 14.7°C (58.5°F) tied with 1998 as the warmest January–August period on record. This value is 0.67°C (1.21°F) above the 20th century average.

Warmer-than-average temperatures were observed across much of the world’s land surface during August 2010, with the warmest anomalies observed across the eastern half of the contiguous United States, eastern Canada, much of Europe, northwestern Africa, and parts of Asia. However, cooler-than-average temperatures were present across southern South America, central Russia, and most of Australia. When averaging the global land surface temperatures, the worldwide land surface temperature for August 2010 ranked as the second warmest on record, behind 1998. August 2010 temperature was 0.90°C (1.62°F) above the 20th century average of 13.8°C (56.9°F).

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