Observed global annual average temperature deviations in the period 1850–2010 (in ºC)

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Created : Mar 24, 2011 Published : Mar 24, 2011 Last modified : Nov 29, 2012 11:34 AM

Topics: Climate change ,

In blue, the source of the original anomalies is the combined UK Met Office Hadley Centre and Climate Research Unit dataset, HadCRUT3. The global mean annual temperature deviations are in relation to the base period 1961-1990. In red, the source of the original anomalies is NASA's GISS dataset. The anomalies are in the source in relation to the base period 1951-1980. The global mean annual temperature deviations have been adjusted to be relative to the period 1850-1899 (HadCRUT3) and 1880 - 1899 (NASA's GISS). All original data is rounded to the nearest 2 decimal places. The trend lines show the 10-year centred moving average of the original anomalies for both datasets relative to the period 1880-1899. The dotted lines show the annual anomalies of the HadCRUT3 (blue) data set and GISS (red) respectively.

Note: new version is available!

May 02, 2012 - Global average air temperature anomalies (1850 to 2011) in degrees Celsius (°C) relative to a pre-industrial baseline period

Metadata

Last upload:

24 Mar 2011

Dynamic

Temporal coverage:

1850-2010

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Geographical coverage:

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Units:

Degree Celcius

Rights:

Access is managed by the owner mentioned below.
Please contact the owner for more information about their data policy,

Owners:

Met Office Hadley Centre observations datasets

Processors:

Goddard Institute for Space Studies (NASA)