Figures on this page were prepared by Dr. Makiko Sato. Please address questions about the figures to Dr. Sato or to Dr. James Hansen.
Click on any graph to view an enlargement of the image. PDF documents require a special viewer such as the free Adobe Reader.
Jan. 13, 2009:
2008 calendar year temperature summary
was posted.
Dec. 16, 2008:
2008 meteorological year temperature summary was posted.
Nov. 13, 2008:
NOAA corrected GHCN data for October, 2008 again (second correction). Monthly figures
have been corrected (third version).
Nov. 12, 2008:
Monthly graphs and maps were created with corrected NOAA/GHCN data.
Nov. 11, 2008:
The monthly graphs and maps with yesterday's October data were removed.
Nov. 10, 2008:
Monthly graphs and maps were updated with NOAA/GHCN October data which had some problems.
July 3, 2008: The appearance of Fig. E was changed although the data remain the same. Each seasonal changes are clearler in the new graphics.
June 20, 2008: The probability of "warm" stations web page was updated.
March 10, 2008: We switched to the current version of USHCN data set which includes data through December 2006. The effect of this change is shown by the graphs and maps. Also see tables of comparisons for globe and US-only. (See "Updates to Analysis" section on GISS Temperature page for more details.)
Figure also available as PDF. (Last modified: 2009-01-09)
Line plot of global mean land-ocean temperature index, 1880 to present. The dotted black line is the annual mean and the solid red line is the five-year mean. The green bars show uncertainty estimates. [This is an update of Fig. 1A in Hansen et al. (2006)]
Figure also available as large GIF, PDF, or Postscript. Also available are tabular data.
(Last modified: 2009-01-09)
Our traditional analysis using only meteorological station data is a line plot of global annual-mean surface air temperature change derived from the meteorological station network [This is an update of Figure 6(b) in Hansen et al. (2001).] Uncertainty bars (95% confidence limits) are shown for both the annual and five-year means, account only for incomplete spatial sampling of data.
Figure also available as large GIF, PDF, or Postscript. Also available are tabular data.
(Last modified: 2009-01-09)
Annual and five-year running mean temperature changes for three latitude bands that cover 30%, 40% and 30% of the global area. Uncertainty bars (95% confidence limits) are based on spatial sampling analysis. [This is an update of Figure 5 in Hansen et al. (1999).]
Figure also available as large GIF, PDF, or Postscript, Also available are table.
(Last Modified: 2009-01-09)
Annual and five-year running mean temperature changes for the northern (red) and southern (blue) hemispheres.
Figure also available as large GIF, PDF, or Postscript, Also available are table.
(Last Modified: 2009-01-09)
Annual and five-year running mean temperature changes for the land (green) and ocean (purple).
Figure also available as large GIF, PDF, or Postscript, Also available are tabular data.
(Last Modified: 2009-01-13)
Line plot of monthly mean global surface tmperature anomaly. The black line shows meterological stations only; redle dots are the land-ocean temperature index, as described in Hansen et al. (1999). The land-ocean temperature index uses sea surface temperatures obtained from satellite measurements of Reynolds and Smith (1994).
[This is an update of Figure 8 in Hansen et al. (1999).]Figure also available as large GIF, PDF, or Postscript. Also available are tabular data.
(Last modified: 2009-01-09)
Also available as large GIF, or PDF.
(Last modified: 2009-01-09)
Annual and five-year running mean surface air temperature in the contiguous 48 United States (1.6% of the Earth's surface) relative to the 1951-1980 mean.
[This is an update of Figure 6 in Hansen et al. (1999).]Also available as large GIF, PDF, or Postscript. Also available are tabular data.
(Last modified: 2009-01-09)
Temperature index change since 1950 at seasonal resolution, for the lobe (upper line) and for low latitudes (lower line). [This is an update of Figure 7 in Hansen et al. (1999).] Green triangles mark large volcanic eruptions. SST at Nino 3.4 is the 12-month running mean.
Also available as large GIF, PDF, or Postscript. Also available are tabular data.
(Last modified: 2008-12-16)
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