National Public Radio: This chart offers another perspective on just how warm it was around the world last month, the National Oceanic and Atmospheric Administration says.
The agency has been keeping records since 1880 and the “average combined global land and ocean surface temperature for September 2012 tied with 2005 as the warmest September on record.”
According to NOAA’s National Climatic Data Center, “the average global temperature across land and ocean surfaces during September was 0.67°C (1.21°F) above the…

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