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Chart 1.1

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Variation from mean global temperature1
Variation from mean global temperature1
1.
Global annual temperature anomalies computed from land and ocean data.
Note(s):  Anomalies are relative to the 1951 to 1980 base period means.
Source(s):  Hansen, J.E., R. Ruedy, M. Sato, and K. Lo, 2007, NASA GISS Surface Temperature (GISTEMP) Analysis, http://cdiac.ornl.gov/ftp/trends/temp/hansen/gl_land_ocean.dat (accessed March 4, 2008).
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