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NOAA reports 2010 hottest year on record so far

Summer 2010 the second warmest on record; hottest August in RSS satellite record*

Following fast on the heels of NASA reporting the hottest January to August on record, NOAA’s National Climatic Data Center has released its State of the Climate: Global Analysis for August.

NOAA reports the details (and the graphic):

  • For January-August 2010, the global combined land and ocean surface temperature of 58.5 F (14.7 C) tied with 1998 as the warmest January-August period on record. This value is 1.21 F (0.67 C) above the 20th century average.
  • The combined global land and ocean surface temperature for August 2010 was the third warmest on record at 61.2 F (16.2 C), which is 1.08 F (0.60 C) above the 20th century average of 60.1 F (15.6 C). August 1998 is the warmest August on record and 2009 is the second warmest….
  • The combined global land and ocean average surface temperature for June-August 2010 was the second warmest on record, behind 1998, at 61.3 F (16.2 C), which is 1.15 F (0.64 C) above the 20th century average of 60.1 F (15.6 C).
  • The June-August worldwide land surface temperature was 1.80 F (1.00 C) above the 20th century average of 56.9 F (13.8 C) “” the warmest June-August on record, surpassing the previous record of 1.66 F (0.92 C) set in 1998.

Still warming….

UPDATE: The RSS satellite data for the month is out and August 2010 just beat up 1998.

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And again, the record warmth that we are seeing this year is all the more powerful evidence of human-caused warming “because it occurs when the recent minimum of solar irradiance is having its maximum cooling effect,” as a recent must-read NASA paper notes:

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