GLOTI

http://data.giss.nasa.gov/gistemp/

http://earthobservatory.nasa.gov/Features/WorldOfChange/decadaltemp.php
NASA usually up-dates GLOTI in the middle of each calendar month. NASA does not maintain a publicly accessible archive of previous editions of GLOTI. Only the most recent edition of GLOTI is available for the public to inspect at NASA's web site. NASA also publishes “Global Mean Estimates Based on Land-Surface Air Temperature Anomalies Only (Meteorological Station Data, dTs)”.

Published 12/2015

        GLOBAL Land-Ocean Temperature Index in 0.01 degrees Celsius   base period: 1951-1980

                    sources:  GHCN-v3 1880-11/2015 + SST: ERSST v4 1880-11/2015
                    using elimination of outliers and homogeneity adjustment
                    Notes: 1950 DJF = Dec 1949 - Feb 1950 ;  ***** = missing

                                                                     AnnMean
Year   Jan  Feb  Mar  Apr  May  Jun  Jul  Aug  Sep  Oct  Nov  Dec    J-D D-N    DJF  MAM  JJA  SON  Year
1880   -29  -20  -18  -27  -14  -28  -22   -7  -16  -15  -18  -20    -19 ***   ****  -19  -19  -16  1880
1881    -9  -13    2   -2   -4  -28   -5   -2   -8  -19  -25  -14    -11 -11    -14   -1  -12  -17  1881
1882    10    9    2  -19  -17  -24   -9    4    0  -22  -20  -24     -9  -8      1  -11  -10  -14  1882
1883   -33  -41  -17  -24  -25  -11   -7  -12  -18  -11  -19  -17    -20 -20    -33  -22  -10  -16  1883
1884   -18  -11  -33  -35  -31  -37  -33  -25  -22  -21  -29  -28    -27 -26    -15  -33  -32  -24  1884
1885   -64  -29  -23  -43  -41  -50  -28  -27  -19  -18  -21   -5    -31 -33    -40  -36  -35  -19  1885
1886   -41  -45  -41  -29  -27  -38  -16  -31  -19  -24  -25  -24    -30 -28    -30  -32  -28  -23  1886
1887   -65  -48  -31  -37  -33  -20  -18  -26  -19  -31  -25  -37    -32 -31    -46  -33  -21  -25  1887
1888   -43  -42  -47  -28  -22  -20   -8  -10   -7    2    0  -11    -20 -22    -40  -32  -13   -2  1888
1889   -19   15    5    5   -2  -11   -4  -17  -18  -21  -30  -29    -10  -9     -5    3  -11  -23  1889
1890   -46  -46  -40  -37  -47  -27  -28  -35  -35  -22  -36  -29    -36 -36    -41  -42  -30  -31  1890
1891   -45  -48  -14  -25  -16  -21  -21  -20  -13  -22  -36    0    -23 -26    -40  -18  -21  -24  1891
1892   -25  -13  -35  -34  -24  -19  -26  -19  -24  -15  -49  -27    -26 -24    -13  -31  -21  -29  1892
1893   -67  -50  -23  -32  -34  -22  -12  -22  -17  -15  -16  -36    -29 -28    -48  -29  -19  -16  1893
1894   -54  -31  -20  -41  -29  -43  -31  -27  -21  -16  -24  -21    -30 -31    -40  -30  -33  -20  1894
1895   -43  -42  -29  -22  -22  -24  -16  -15   -1  -10  -15  -11    -21 -22    -35  -24  -18   -9  1895
1896   -22  -14  -29  -32  -19  -13   -5   -9   -4    5  -15  -11    -14 -14    -16  -27   -9   -5  1896
1897   -22  -19  -11   -1    0  -12   -4   -3   -4   -8  -17  -25    -10  -9    -17   -4   -6  -10  1897
1898    -6  -33  -55  -33  -36  -20  -22  -23  -19  -32  -35  -21    -28 -28    -21  -41  -22  -29  1898
1899   -18  -39  -35  -21  -20  -26  -12   -3    0    1   12  -26    -16 -15    -26  -25  -14    4  1899
1900   -39   -7    2  -14   -5  -14   -8   -3    2    9  -12  -13     -9 -10    -24   -6   -8    0  1900

Year   Jan  Feb  Mar  Apr  May  Jun  Jul  Aug  Sep  Oct  Nov  Dec    J-D D-N    DJF  MAM  JJA  SON  Year
1901   -29   -5    5   -6  -18  -10   -8  -12  -16  -29  -17  -29    -14 -13    -15   -6  -10  -20  1901
1902   -20   -4  -29  -28  -31  -35  -25  -28  -21  -28  -36  -46    -28 -26    -17  -29  -30  -28  1902
1903   -28   -7  -22  -40  -42  -44  -30  -43  -42  -41  -38  -47    -35 -35    -27  -35  -39  -40  1903
1904   -64  -54  -47  -49  -50  -49  -48  -43  -46  -34  -16  -28    -44 -46    -55  -48  -47  -32  1904
1905   -37  -58  -25  -36  -33  -31  -24  -20  -14  -22   -8  -20    -27 -28    -41  -31  -25  -15  1905
1906   -30  -33  -14   -2  -20  -21  -25  -18  -25  -20  -38  -17    -22 -22    -27  -12  -21  -27  1906
1907   -43  -52  -24  -40  -46  -43  -34  -36  -31  -24  -51  -49    -39 -37    -37  -37  -38  -35  1907
1908   -45  -35  -57  -46  -40  -38  -34  -45  -32  -43  -50  -49    -43 -43    -43  -48  -39  -42  1908
1909   -69  -46  -52  -58  -53  -51  -42  -29  -37  -38  -31  -54    -47 -46    -55  -54  -41  -35  1909
1910   -44  -43  -48  -39  -34  -36  -31  -33  -36  -38  -56  -68    -42 -41    -47  -40  -33  -43  1910
1911   -63  -60  -62  -55  -52  -47  -40  -42  -38  -25  -19  -25    -44 -48    -64  -56  -43  -27  1911
1912   -27  -14  -37  -20  -19  -25  -40  -51  -47  -55  -38  -41    -35 -33    -22  -26  -39  -47  1912
1913   -40  -43  -43  -36  -45  -45  -34  -32  -32  -34  -18   -3    -34 -37    -42  -41  -37  -28  1913
1914     2  -14  -23  -27  -19  -22  -23  -14  -13   -4  -20   -9    -15 -15     -5  -23  -20  -12  1914
1915   -19   -1   -8    8   -1  -14   -1  -14  -11  -22  -13  -25    -10  -9    -10   -1  -10  -15  1915
1916   -20  -22  -30  -25  -26  -42  -32  -25  -28  -27  -42  -77    -33 -29    -22  -27  -33  -32  1916
1917   -46  -55  -49  -39  -48  -39  -22  -25  -17  -34  -28  -71    -39 -40    -60  -45  -29  -27  1917
1918   -43  -32  -21  -39  -36  -27  -20  -26  -14   -3  -15  -28    -25 -29    -49  -32  -24  -10  1918
1919   -19  -21  -26  -18  -19  -27  -20  -19  -17  -15  -29  -34    -22 -21    -22  -21  -22  -20  1919
1920   -14  -23   -6  -25  -25  -32  -30  -28  -19  -27  -32  -45    -26 -25    -24  -19  -30  -26  1920

Year   Jan  Feb  Mar  Apr  May  Jun  Jul  Aug  Sep  Oct  Nov  Dec    J-D D-N    DJF  MAM  JJA  SON  Year
1921    -3  -21  -27  -35  -35  -30  -14  -22  -16   -6  -16  -17    -20 -23    -23  -32  -22  -13  1921
1922   -32  -41  -13  -21  -34  -31  -25  -30  -28  -31  -15  -16    -26 -26    -30  -22  -29  -25  1922
1923   -26  -36  -30  -37  -32  -23  -27  -28  -27  -11    4   -3    -23 -24    -26  -33  -26  -11  1923
1924   -22  -25  -12  -34  -18  -27  -25  -34  -29  -34  -22  -41    -27 -24    -17  -21  -29  -29  1924
1925   -32  -33  -22  -23  -29  -32  -28  -17  -12  -16    4   12    -19 -23    -35  -25  -26   -8  1925
1926    21    8   13  -14  -24  -24  -19  -10  -10  -11   -6  -29     -9  -5     13   -8  -18   -9  1926
1927   -27  -19  -37  -31  -24  -26  -13  -19   -6    0   -3  -35    -20 -20    -25  -31  -19   -3  1927
1928    -3  -11  -27  -28  -29  -40  -20  -24  -19  -18  -10  -20    -21 -22    -16  -28  -28  -16  1928
1929   -47  -58  -35  -41  -38  -43  -32  -29  -23  -14  -15  -53    -36 -33    -41  -38  -34  -17  1929
1930   -28  -23   -9  -24  -24  -18  -15   -9  -10   -8   14   -7    -13 -17    -35  -19  -14   -1  1930
1931   -10  -20   -6  -20  -22   -5    1   -1   -6    0  -11   -9     -9  -9    -12  -16   -2   -6  1931
1932    14  -17  -19   -8  -22  -29  -23  -23  -12   -9  -26  -22    -16 -15     -4  -16  -25  -16  1932
1933   -31  -30  -27  -23  -25  -31  -19  -23  -26  -23  -32  -45    -28 -26    -27  -25  -24  -27  1933
1934   -25   -3  -28  -26  -10  -13  -10   -9  -15  -10    0   -7    -13 -16    -24  -22  -11   -8  1934
1935   -37   12  -13  -35  -25  -22  -18  -16  -17   -7  -28  -20    -19 -18    -11  -24  -19  -17  1935
1936   -28  -39  -24  -20  -15  -18   -5  -11   -5   -2   -4   -2    -14 -16    -29  -20  -11   -3  1936
1937    -7    7  -16  -16   -6   -7   -4    4   14   10   10   -9     -2  -1     -1  -13   -2   11  1937
1938     3   -2    7    5   -7  -16   -8   -4    4   12    3  -23     -2  -1     -3    2   -9    6  1938
1939   -11  -11  -19  -12   -7   -7   -4   -4    1   -2    7   41     -2  -8    -15  -13   -5    2  1939
1940   -13    6   12   16    6    6   11    1   12    8   13   20      8  10     11   11    6   11  1940

Year   Jan  Feb  Mar  Apr  May  Jun  Jul  Aug  Sep  Oct  Nov  Dec    J-D D-N    DJF  MAM  JJA  SON  Year
1941    12   23    6   10   10    4   16   14    2   25   13   15     12  13     18    9   11   13  1941
1942    28    6   11   13   14   11    2   -3    0    7   13   13     10  10     16   13    3    7  1942
1943     0   22    2   14   10    0   15    3   12   31   26   29     14  12     12    9    6   23  1943
1944    42   32   35   27   26   21   22   22   31   27   13    8     25  27     34   29   22   24  1944
1945    15    5   11   24   10    3    7   26   21   22   10   -9     12  13      9   15   12   18  1945
1946    16    6    0   11   -3  -15   -8  -10   -2   -6   -1  -27     -3  -2      4    3  -11   -3  1946
1947    -8   -4    6    5   -6   -3   -4   -8  -14    7    0  -16     -4  -5    -13    2   -5   -3  1947
1948     6  -12  -24  -10    6   -5  -13  -10  -13   -7   -9  -21     -9  -9     -7   -9  -10  -10  1948
1949    10  -16   -1   -8  -11  -26  -13   -9   -9   -3   -9  -16     -9 -10     -9   -7  -16   -7  1949
1950   -28  -27   -8  -21  -12   -8  -10  -19  -11  -19  -34  -19    -18 -18    -24  -14  -12  -21  1950
1951   -34  -43  -20  -10   -2   -7   -2    6    4    9    1   16     -7 -10    -32  -11   -1    5  1951
1952    16   13   -9    2   -5   -4    6    7    8   -3  -16   -2      1   3     15   -4    3   -4  1952
1953     9   17   11   20    9    8    3    8    6    5   -5    4      8   7      8   14    6    2  1953
1954   -27  -10  -12  -18  -20  -15  -16  -13   -7    0    9  -16    -12 -10    -11  -17  -15    0  1954
1955    12  -21  -35  -22  -20   -7   -7    7  -14   -4  -28  -32    -14 -13     -8  -25   -2  -15  1955
1956   -15  -24  -22  -27  -27  -15  -11  -26  -18  -24  -15   -9    -19 -21    -24  -25  -17  -19  1956
1957   -13   -6   -6   -2    7   18    3   18    8    0    8   16      4   2     -9    0   13    5  1957
1958    37   22    8    2    7   -6    3   -7   -5    3    2    0      6   7     25    6   -3    0  1958
1959     6    8   20   16    5    3    5   -1   -5   -9   -9   -2      3   3      5   14    2   -8  1959
1960    -2   13  -36  -17   -9    0   -3    0    4    7  -12   18     -3  -5      3  -20   -1    0  1960

Year   Jan  Feb  Mar  Apr  May  Jun  Jul  Aug  Sep  Oct  Nov  Dec    J-D D-N    DJF  MAM  JJA  SON  Year
1961     7   19   10   15   14   11   -3   -1    5   -1    2  -15      5   8     15   13    2    2  1961
1962     7   15   11    5   -6    4   -3   -3   -2   -4    6   -2      2   1      2    3    0    0  1962
1963    -3   18  -15   -5  -10    2    9   23   19   14   15   -1      6   6      5  -10   11   16  1963
1964    -6  -12  -24  -31  -26   -9   -7  -23  -28  -30  -21  -30    -21 -18     -6  -27  -13  -26  1964
1965    -9  -18  -12  -20  -14  -10  -11   -1  -13   -4   -6   -7    -10 -12    -19  -15   -7   -8  1965
1966   -17   -1    4  -14   -9    2    8  -11   -2  -15   -3   -6     -5  -5     -8   -6    0   -7  1966
1967    -8  -20    4   -6   12   -8   -1    2   -4    7   -6   -2     -3  -3    -11    3   -2   -1  1967
1968   -23  -15   21   -5  -10   -6  -10  -11  -19   11   -5  -15     -7  -6    -13    2   -9   -4  1968
1969   -11  -14    1   18   19    4   -2    3   10    9   11   27      6   3    -13   13    2   10  1969
1970    10   23    8    9   -5   -2   -4  -10   11    5    1  -14      3   6     20    4   -5    6  1970
1971    -3  -21  -19  -10   -7  -18  -13   -3    0   -6   -5   -8     -9 -10    -13  -12  -11   -3  1971
1972   -26  -17    3   -1   -1    4    2   18    4    7    1   18      1  -1    -17    0    8    4  1972
1973    27   31   25   26   26   16    9    2    6   12    5   -6     15  17     25   25    9    8  1973
1974   -14  -28   -5  -10    0   -5   -3   11  -13   -7   -7  -10     -8  -7    -16   -5    1   -9  1974
1975     8    7   15    6   17    0   -2  -21   -2   -9  -15  -17     -1  -1      1   12   -8   -9  1975
1976    -1   -6  -21   -9  -23  -15  -10  -16   -9  -26   -6    8    -11 -13     -8  -17  -14  -14  1976
1977    17   21   25   27   30   25   23   20    3    5   20    5     19  19     16   27   23    9  1977
1978     8   13   22   14    7   -2    7  -19    6    2   18   11      7   7      9   14   -4    8  1978
1979    15   -7   18   12    6   14    2   14   26   26   29   48     17  14      6   12   10   27  1979
1980    30   42   29   33   35   18   29   26   23   19   29   20     28  30     40   32   24   23  1980

Year   Jan  Feb  Mar  Apr  May  Jun  Jul  Aug  Sep  Oct  Nov  Dec    J-D D-N    DJF  MAM  JJA  SON  Year
1981    55   41   49   32   23   31   35   33   18   14   22   40     33  31     39   35   33   18  1981
1982     9   16   -2    9   15    4   13    9   16   13   13   43     13  13     21    7    9   14  1982
1983    52   40   42   30   36   19   15   31   38   16   31   17     31  33     45   36   22   28  1983
1984    31   17   29   10   34    6   15   15   19   15    3   -6     16  18     22   24   12   13  1984
1985    21   -5   17   10   18   17    1   14   15   13   10   16     12  10      3   15   11   12  1985
1986    30   38   29   25   26   13   13   12    1   14   10   15     19  19     28   27   13    9  1986
1987    36   47   17   26   25   35   46   27   40   33   25   48     34  31     33   23   36   33  1987
1988    58   42   49   44   44   42   35   44   40   37   11   33     40  41     49   46   40   30  1988
1989    16   35   36   33   17   15   33   35   37   33   19   36     29  28     28   29   27   30  1989
1990    40   40   76   54   45   37   43   30   29   42   45   41     44  43     39   58   37   39  1990
1991    42   50   35   51   39   54   51   42   48   31   31   33     42  43     44   42   49   37  1991
1992    45   42   46   23   32   24   13    9   -1   10    4   22     22  23     40   34   15    4  1992
1993    37   38   36   27   26   23   26   14   10   22    7   19     24  24     32   30   21   13  1993
1994    31    3   26   40   28   41   31   22   33   42   45   36     32  30     18   31   31   40  1994
1995    51   78   45   46   29   44   49   49   34   49   44   30     46  46     55   40   47   42  1995
1996    27   49   34   36   29   26   36   50   26   21   41   40     34  34     35   33   37   29  1996
1997    32   37   51   37   38   54   36   41   56   64   65   59     48  46     37   42   44   62  1997
1998    61   88   62   64   70   77   70   69   46   46   49   57     63  63     70   65   72   47  1998
1999    48   67   33   34   32   37   41   35   43   42   40   47     42  43     57   33   38   42  1999
2000    26   59   59   59   39   43   42   43   43   29   33   30     42  44     44   53   42   35  2000

Year   Jan  Feb  Mar  Apr  May  Jun  Jul  Aug  Sep  Oct  Nov  Dec    J-D D-N    DJF  MAM  JJA  SON  Year
2001    44   46   57   52   59   54   60   49   55   51   70   54     54  52     40   56   54   59  2001
2002    74   76   90   58   65   55   61   54   64   56   59   42     63  64     68   71   57   60  2002
2003    72   55   57   54   63   48   55   66   67   75   54   73     62  59     56   58   56   65  2003
2004    58   69   65   62   42   42   27   45   53   66   72   51     54  56     67   56   38   63  2004
2005    72   58   69   69   64   65   65   62   76   79   75   67     68  67     60   67   64   77  2005
2006    56   71   63   49   47   64   55   71   64   70   73   77     63  62     65   53   63   69  2006
2007    96   69   70   75   68   58   62   61   64   60   57   49     66  68     81   71   60   61  2007
2008    26   35   74   53   51   47   60   44   64   67   67   54     54  53     37   59   51   66  2008
2009    61   53   53   60   64   66   72   67   70   65   78   65     64  64     56   59   68   71  2009
2010    73   79   92   87   75   64   61   65   62   71   79   49     72  73     72   85   63   71  2010
2011    50   51   63   65   53   58   74   73   57   66   55   53     60  60     50   61   68   59  2011
2012    45   48   57   68   76   62   56   63   74   79   74   51     63  63     49   67   60   76  2012
2013    66   56   64   52   61   65   59   66   77   69   80   66     65  64     58   59   63   75  2013
2014    73   50   77   78   86   66   58   82   90   85   68   78     74  73     63   80   68   81  2014
2015    81   87   90   73   78   77   73   77   82  106  105 ****   ****  84     82   80   76   98  2015
Year   Jan  Feb  Mar  Apr  May  Jun  Jul  Aug  Sep  Oct  Nov  Dec    J-D D-N    DJF  MAM  JJA  SON  Year
       
Divide by 100 to get changes in degrees Celsius (deg-C).
Multiply that result by 1.8(=9/5) to get changes in degrees Fahrenheit (deg-F).

Best estimate for absolute global mean for 1951-1980 is  14.0 deg-C or 57.2 deg-F,
so add that to the temperature change if you want to use an absolute scale
(this note applies to global annual means only, J-D and D-N !)

Example      --      Table Value :      40
                          change :    0.40 deg-C  or  0.72 deg-F
abs. scale if global annual mean :   14.40 deg-C  or 57.92 deg-F

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