What was the average global temperature (F) during the 1880s? 1990s?

No sooner asked than answered:
Table A. Means (F) of January to December annual means by decade:
Secondary analysis of raw data reported at
“>http://data.giss.nasa.gov/gistemp/tabledata/GLB.Ts dSST.txty
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Variable Label Mean F Std Dev Cases
Total sample 57.1594 .4385 129
___________ (Midpoint)__________________________________________
DECADE 1885 56.7482 .1020 10
DECADE 1895 56.7356 .1467 10
DECADE 1905 56.7158 .1711 10
DECADE 1915 56.6996 .1759 10
DECADE 1925 56.9066 .1290 10
DECADE 1935 57.1496 .1525 10
DECADE 1945 57.2756 .1481 10
DECADE 1955 57.1622 .1864 10
DECADE 1965 57.1784 .1677 10
DECADE 1975 57.2018 .1801 10
DECADE 1985 57.5186 .1714 10
DECADE 1995 57.7688 .2338 10
DECADE 2005 58.1060 .1509 9
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Note. MEANF = ((jtod/100)* (1.8)) 57.1.
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2

Answers


  1. 0 Votes

    In 1880 the average temperature was 56.75 degrees Fahrenheit. In 1990, 110 years later, that was 57.88. It may seem like not such a big deal but a little jump like that can be extremely significant.

    • a26
      0 Votes

      ” Can be” but where and why? The Sahara was once a fertile plain (long before the internal combustion engine) but having experienced progressive desiccation, now is not. It would be helpful to have data comparable to that for the globe, by climate region and hemisphere. The 1.4 degree change may or may not have been uniformly distributed. In any event, we need to know the extent to which change in the earth’s temperature varies across it’s vast expanse
      before we try to exercise control over it.

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