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Whenever Any Form of Government Becomes Destructive To These Ends,
It Is The Right of the People to Alter Or To Abolish It,
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Friday, January 22, 2016

NOAA Reduces 1997 Global Temp (by Over 3 Degrees Farenheit) in Report Claiming 2015 Was Hottest Year Ever


From MRCTV:
In a 1997 report discovered by Thomas Nelson, NOAA said the global average temperature for the year was 62.45 degrees Fahrenheit.



As Blogger Wattsupwiththat explains:

 In that 1997 report, they say clearly that the Global Average Temperature (GAT) was 62.45°F, based on a 30-year average (1961-1990) of the combined land and sea surface temperatures. Since we know the 1997 El Nino caused a record high spike in temperature, that means that for that 30 year period, there was no warmer GAT than 62.45°F up until that time.

Now, back to 2015. The recently released NOAA report, claiming that 2015 was the hottest year ever, says:

During 2015, the average temperature across global land and ocean surfaces was 1.62°F (0.90°C) above the 20th century average.

This was the highest among all 136 years in the 1880–2015 record, surpassing the previous record set last year by 0.29°F (0.16°C) and marking the fourth time a global temperature record has been set this century.

It was blogger Wattsupwiththat who first noticed and explained the funky math. He explains that the recent report compares 2015 to the 20th century average - but, doesn't mention what that average temperature was. However, it does give a 20th Century average in its November 2015 State of the Climate Report: - 13.9 degrees Celsius (57 degrees Fahrenheit):



Now, it's math time:

According to NOAA, the global average temperature for the 20th century was 57 degrees Fahrenheit.

And the 2015 average was 1.62 degrees Fahrenheit above that average.

In other words, according to this recent NOAA report, 2015 was the hottest year ever at 58.62 degrees Fahrenheit (57+1.62).

And, that 1997 NOAA report states 1997 had an average global temperature of 62.45 degrees.

According to my calculator: 1997's 62.45 degrees is 3.83 degrees Fahrenheit higher than 2015's 58.62 degrees Fahrenheit, meaning that - using NOAA's own numbers - 2015 cannot be the hottest year on record.
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posted by Pastorius at permanent link#

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