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List: Top Ten Warmest Years on Record (USA)

Date: up to 2007

Source: GISS via McIntyre

Base: US Temperature records from GISS. The numbers represent deviation from the mean temperature calculated from temperature measurement stations throughout the USA.

Notes: These are the corrected temperature figures from NASA's (now re-published) data set from the Goddard Institute of Space Studies following the investigations done by Anthony Watts and Stephen McIntyre. They show that four of the top 10 years of US CONUS high temperature deviations are now from the 1930s: 1934, 1931, 1938 and 1939, while only 3 of the top 10 are from the last 10 years (1998, 2006, 1999). Several years (2000, 2002, 2003, 2004) fell well down the leaderboard, behind even 1900. (World rankings of temperature are calculated separately.) This list is culled from the original blog post that blew apart the Mann / Gore global warming 'hockey stick effect' lie back in 2007 and which indirectly led to 'Climategate' - and the now infamous CRU hacked emails.

Rank

Year

Temperature deviation (deg C)

1

1934

1.25

2

1998

1.23

3

1921

1.15

4

2006

1.13

5

1931

0.98

6

1999

0.93

7

1953

0.90

8

1990

0.87

9

1938

0.86

10

1939

0.85


 

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