sunshine hours

April 22, 2013

HADCET – March 2013 is tied for 12th coldest March Since 1659

Filed under: Cold Kills,HADCET — sunshinehours1 @ 12:44 PM
Tags: , ,

The HADCET dataset is the longest instrumental record of temperature in the world.

One of the minor problems with HADCET is they calculate anomalies from the 1961-1990 average.

This is HADCET (March Only) with anomalies calculated from the most recent 30 years average: 1981 to 2010.

HADCET (since 1659) monthly mean - MAR

15 Coldest March’s (pretty ancient company)

Year MAR
1674 1
1785 1.2
1748 1.8
1883 1.9
1667 2
1845 2
1786 2.1
1789 2.1
1837 2.3
1747 2.5
1770 2.5
1784 2.7
1892 2.7
2013 2.7
1701 2.8
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1 Comment »

  1. [...] there is the inconvenient truth that March was the coldest year since 1659http://sunshinehours.wordpress.com/2013/04/22/hadc… Yesterday  from slate.com [...]

    Pingback by The #nokxl Anti #fracking Pipe Dream: Economic Suicide | Power To The People — April 24, 2013 @ 12:16 PM | Reply


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