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 05/2015 -- (1)


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

                    sources:  GHCN-v3 1880-04/2015 + SST: ERSST 1880-04/2015
                    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   -34  -27  -22  -30  -16  -23  -19  -12  -20  -19  -16  -22    -21 ***   ****  -22  -18  -18  1880
1881   -13  -16   -2   -3   -2  -26  -11   -8  -17  -23  -27  -18    -14 -14    -17   -2  -15  -23  1881
1882     3    4   -1  -23  -19  -31  -27  -11  -11  -25  -25  -37    -17 -15     -4  -15  -23  -20  1882
1883   -38  -37  -12  -19  -20   -6   -2  -13  -19  -19  -28  -20    -20 -21    -38  -17   -7  -22  1883
1884   -20  -14  -30  -35  -33  -35  -31  -24  -28  -25  -29  -25    -28 -27    -18  -33  -30  -28  1884
1885   -57  -29  -19  -36  -34  -39  -28  -24  -17  -14  -14    0    -26 -28    -37  -30  -30  -15  1885
1886   -37  -43  -34  -23  -20  -29  -12  -21  -12  -22  -28  -17    -25 -23    -26  -26  -21  -21  1886
1887   -60  -42  -26  -33  -28  -24  -19  -28  -23  -33  -28  -40    -32 -30    -40  -29  -24  -28  1887
1888   -43  -40  -39  -24  -25  -19  -10  -13  -10   -4   -1  -10    -20 -23    -41  -30  -14   -5  1888
1889   -18   16    7    7   -1   -9  -12  -19  -18  -21  -32  -30    -11  -9     -4    4  -13  -23  1889
1890   -41  -37  -37  -34  -43  -28  -25  -33  -31  -21  -44  -30    -34 -34    -36  -38  -28  -32  1890
1891   -43  -50  -19  -27  -20  -25  -25  -21  -16  -28  -40  -13    -27 -29    -41  -22  -24  -28  1891
1892   -36  -15  -36  -38  -34  -30  -34  -28  -20  -18  -48  -43    -32 -29    -21  -36  -31  -28  1892
1893   -85  -58  -28  -35  -43  -33  -17  -28  -23  -22  -21  -38    -36 -37    -62  -35  -26  -22  1893
1894   -55  -34  -24  -46  -37  -40  -26  -22  -25  -23  -34  -27    -33 -34    -42  -36  -29  -27  1894
1895   -51  -49  -29  -23  -29  -26  -19  -18   -9  -13  -16  -20    -25 -26    -42  -27  -21  -13  1895
1896   -31  -21  -33  -39  -23  -16  -10  -10   -6    3  -16  -14    -18 -19    -24  -32  -12   -7  1896
1897   -22  -22  -24  -12  -10  -22  -13  -18  -13  -19  -24  -28    -19 -18    -19  -15  -18  -19  1897
1898   -14  -39  -57  -35  -35  -23  -27  -27  -23  -36  -40  -27    -32 -32    -27  -42  -26  -33  1898
1899   -21  -40  -36  -21  -25  -35  -20  -14   -7   -7    6  -31    -21 -20    -29  -27  -23   -3  1899
1900   -38   -3    1  -16  -14  -21  -20  -16  -15   -5  -20  -14    -15 -17    -24  -10  -19  -13  1900

Year   Jan  Feb  Mar  Apr  May  Jun  Jul  Aug  Sep  Oct  Nov  Dec    J-D D-N    DJF  MAM  JJA  SON  Year
1901   -33   -8    0  -12  -22  -16  -18  -23  -24  -35  -25  -34    -21 -19    -19  -11  -19  -28  1901
1902   -21   -4  -29  -31  -34  -37  -30  -32  -26  -35  -42  -48    -31 -29    -20  -31  -33  -34  1902
1903   -27   -1  -20  -38  -40  -45  -37  -44  -40  -48  -45  -54    -37 -36    -25  -33  -42  -44  1903
1904   -67  -56  -44  -51  -47  -45  -45  -43  -47  -36  -20  -26    -44 -46    -59  -47  -44  -34  1904
1905   -34  -61  -29  -36  -30  -30  -28  -28  -22  -28  -12  -25    -30 -30    -40  -31  -29  -21  1905
1906   -31  -33  -16   -8  -23  -24  -32  -26  -29  -28  -48  -21    -27 -27    -30  -16  -28  -35  1906
1907   -46  -54  -34  -46  -51  -44  -38  -33  -32  -26  -53  -52    -43 -40    -41  -44  -38  -37  1907
1908   -45  -37  -57  -45  -38  -42  -41  -47  -35  -45  -50  -49    -44 -45    -45  -47  -44  -44  1908
1909   -67  -47  -51  -57  -53  -51  -41  -32  -35  -42  -34  -56    -47 -47    -54  -54  -41  -37  1909
1910   -46  -45  -49  -47  -46  -46  -37  -37  -39  -45  -56  -67    -47 -46    -49  -47  -40  -47  1910
1911   -63  -59  -64  -53  -52  -51  -41  -44  -39  -27  -22  -26    -45 -49    -63  -56  -45  -29  1911
1912   -30  -20  -41  -27  -27  -30  -47  -58  -55  -63  -45  -49    -41 -39    -25  -32  -45  -54  1912
1913   -48  -48  -46  -41  -50  -46  -38  -39  -39  -41  -25  -11    -39 -42    -48  -45  -41  -35  1913
1914    -3  -20  -27  -33  -27  -31  -35  -26  -23  -12  -24  -17    -23 -23    -11  -29  -31  -20  1914
1915   -26   -9  -16   -3  -14  -18  -10  -17  -17  -26  -13  -23    -16 -16    -17  -11  -15  -19  1915
1916   -21  -23  -33  -31  -31  -45  -34  -35  -32  -32  -41  -75    -36 -32    -22  -32  -38  -35  1916
1917   -44  -55  -53  -46  -60  -44  -27  -30  -25  -44  -35  -74    -45 -45    -58  -53  -33  -35  1917
1918   -46  -36  -27  -45  -40  -35  -31  -30  -22  -12  -22  -40    -32 -35    -52  -37  -32  -19  1918
1919   -27  -29  -30  -23  -31  -34  -30  -28  -23  -21  -38  -38    -29 -30    -32  -28  -31  -27  1919
1920   -16  -24   -6  -23  -23  -28  -27  -29  -29  -36  -38  -50    -28 -27    -26  -18  -28  -34  1920

Year   Jan  Feb  Mar  Apr  May  Jun  Jul  Aug  Sep  Oct  Nov  Dec    J-D D-N    DJF  MAM  JJA  SON  Year
1921    -7  -23  -25  -28  -25  -24  -14  -25  -20  -16  -23  -23    -21 -23    -27  -26  -21  -20  1921
1922   -35  -44  -19  -24  -31  -32  -29  -33  -32  -34  -20  -24    -30 -30    -34  -25  -31  -29  1922
1923   -29  -37  -30  -38  -35  -27  -35  -33  -27  -15   -3   -5    -26 -28    -30  -35  -32  -15  1923
1924   -21  -22   -8  -30  -20  -26  -25  -32  -27  -32  -15  -36    -25 -22    -16  -19  -28  -25  1924
1925   -34  -35  -24  -23  -32  -34  -30  -20  -15  -20   -2    5    -22 -25    -35  -27  -28  -12  1925
1926    13    5   10  -12  -25  -22  -23  -18  -11   -9   -7  -26    -10  -8      8   -9  -21   -9  1926
1927   -24  -17  -35  -29  -19  -24  -18  -20   -8    1   -3  -32    -19 -18    -22  -28  -20   -3  1927
1928     0   -7  -25  -23  -22  -30  -17  -21  -16  -16   -5  -13    -16 -18    -13  -23  -23  -12  1928
1929   -39  -52  -30  -36  -32  -36  -34  -26  -21  -12  -11  -49    -31 -28    -35  -33  -32  -15  1929
1930   -23  -22   -5  -19  -22  -15  -13  -12  -11   -7   15   -3    -11 -15    -31  -15  -13   -1  1930
1931    -5  -20   -6  -15  -19   -8   -5   -4   -3    2   -6   -4     -8  -8     -9  -13   -6   -2  1931
1932    15  -16  -14   -1  -15  -21  -18  -20   -5   -2  -20  -17    -11 -10     -2  -10  -20   -9  1932
1933   -27  -28  -25  -22  -24  -28  -20  -20  -23  -19  -27  -40    -25 -23    -24  -24  -23  -23  1933
1934   -20    0  -29  -28   -6   -8   -6   -9  -15   -6    6    0    -10 -13    -20  -21   -8   -5  1934
1935   -30   17  -10  -31  -26  -20  -13  -14  -11   -3  -24  -18    -15 -14     -5  -22  -15  -13  1935
1936   -23  -34  -22  -17  -12  -12   -2   -7   -4   -2   -2    0    -11 -13    -25  -17   -7   -3  1936
1937    -5   11  -13  -11   -3    0   -1    7   14   12   14   -4      2   2      2   -9    2   13  1937
1938    10    4   15   11    1   -8    1    3   11   17   12  -14      5   6      3    9   -1   13  1938
1939    -3   -3  -16   -7   -1   -1   -4   -2   -2   -2    4   40      0  -4     -7   -8   -2    0  1939
1940   -13    7    9   15    7    4    7   -2    9    6    8   12      6   8     12   10    3    8  1940

Year   Jan  Feb  Mar  Apr  May  Jun  Jul  Aug  Sep  Oct  Nov  Dec    J-D D-N    DJF  MAM  JJA  SON  Year
1941     4   18   -1    8    9    6   11    6   -6   17    6    7      7   8     11    6    8    6  1941
1942    26    2    6   10    9    4   -4   -5   -1    1    6    6      5   5     12    8   -2    2  1942
1943   -12    9   -7    8    6   -9    4   -2    4   21   14   19      5   4      1    2   -2   13  1943
1944    30   18   18   10   12    9   10    9   19   17    6   -3     13  15     22   13    9   14  1944
1945     1  -10   -1    9   -1   -6   -6   16    8    8    1  -16      0   1     -4    2    1    6  1945
1946    13    6   -4    3  -11  -16  -11  -17   -9  -15   -6  -33     -8  -7      1   -4  -15  -10  1946
1947   -12  -10    4    3   -6   -8   -7   -9  -13    8    4  -11     -5  -7    -18    0   -8    0  1947
1948    11  -12  -21   -9    1   -6  -13  -15  -17  -11  -16  -20    -11 -10     -4  -10  -11  -15  1948
1949    11  -17   -5  -12  -12  -25  -17  -12  -14   -7   -9  -18    -12 -12     -9  -10  -18  -10  1949
1950   -30  -29   -6  -18  -10   -9  -16  -21  -11  -18  -34  -19    -18 -18    -26  -11  -15  -21  1950
1951   -34  -43  -20   -8    3   -3    2    7    8    8   -4   12     -6  -9    -32   -8    2    4  1951
1952    14   11  -10    5    1   -1    6    4    7   -3  -15   -2      1   2     12   -1    3   -4  1952
1953    10   19   12   19   10    6    0    7    6    7   -3    6      8   8      9   14    4    3  1953
1954   -23  -10  -15  -13  -18  -15  -18  -14   -5    0    9  -16    -12 -10     -9  -16  -16    1  1954
1955    16  -15  -31  -18  -21   -9   -9    6  -11   -5  -28  -32    -13 -12     -5  -24   -4  -14  1955
1956   -17  -25  -18  -24  -30  -14  -10  -20  -21  -22  -16  -12    -19 -21    -25  -24  -15  -20  1956
1957   -12   -7  -10   -2    5   11   -2   12    5   -4    5   15      1  -1    -11   -2    7    2  1957
1958    37   26    8   -3    4   -8    2   -6   -3    3    3    0      5   7     26    3   -4    1  1958
1959     9    9   14   12    3    2    4    2   -2   -7   -6   -1      3   3      6    9    3   -5  1959
1960    -2   13  -32  -14   -8    3    2   -3    6    5  -12   19     -2  -4      3  -18    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     5   16    6    8    9    9   -1    3    0    1    3  -13      4   7     13    8    4    1  1961
1962     9   15   14    8    0    3    8    5    2    1    9    2      6   5      3    7    5    4  1962
1963     0   22  -11   -5   -2    7   11   22   13   20   18    2      8   8      8   -6   13   17  1963
1964    -7  -10  -20  -30  -20   -9   -8  -27  -28  -29  -21  -28    -20 -17     -5  -24  -15  -26  1964
1965    -6  -19   -8  -18  -11   -3  -13   -5  -14   -6   -3   -5     -9 -11    -18  -12   -7   -8  1965
1966   -13   -2    1   -9  -10    2    4   -3    2  -12    0   -4     -4  -4     -7   -6    1   -4  1966
1967    -7  -18    5   -1   14  -10   -1    2   -7    9   -6    0     -2  -2    -10    6   -3   -1  1967
1968   -21  -12   25   -3  -12   -7   -5   -8  -11    9   -5  -12     -5  -4    -11    3   -7   -2  1968
1969   -11  -15    0   17   18    5    3    7   13   13   15   28      8   4    -13   11    5   14  1969
1970     9   23    5    7   -4    0    0   -5   12    2    2  -12      3   7     20    3   -2    5  1970
1971    -2  -19  -16   -9   -6  -19   -8   -3   -3   -4   -1   -6     -8  -9    -11  -10  -10   -3  1971
1972   -26  -17    1   -1    2    5    2   11   -2   10    6   21      1  -1    -16    0    6    5  1972
1973    28   32   28   24   22   15   11    3    6    9    4   -4     15  17     27   25   10    7  1973
1974   -16  -25    0   -8   -1   -9   -2    8   -6  -11   -8   -8     -7  -7    -15   -3   -1   -9  1974
1975     8    9   14    7   14    1   -1  -13    1   -9  -16  -15      0   0      3   12   -4   -8  1975
1976    -2   -9  -21   -5  -18  -11  -11  -17   -7  -25   -6    3    -11 -12     -9  -14  -13  -13  1976
1977    10   16   22   26   24   28   16   10    4    0   19    3     15  15      9   24   18    8  1977
1978     9   10   18   12    2   -4    0  -10    4    3   14    5      5   5      7   11   -5    7  1978
1979    11  -11   17    4    3   12    3    9   22   21   23   41     13  10      2    8    8   22  1979
1980    24   36   22   25   28   14   15   15   12   14   21   15     20  22     34   25   15   16  1980

Year   Jan  Feb  Mar  Apr  May  Jun  Jul  Aug  Sep  Oct  Nov  Dec    J-D D-N    DJF  MAM  JJA  SON  Year
1981    53   38   41   30   23   24   25   21    9    8   18   36     27  25     35   31   23   12  1981
1982     5   11   -1   10   10    5   11   11   17    9   10   37     11  11     18    6    9   12  1982
1983    49   34   38   23   26   13   18   25   29   11   29   13     26  28     40   29   19   23  1983
1984    25   13   23    2   25    5   17    9   11   11    3   -9     11  13     17   17   10    8  1984
1985    17   -8   13    3   16   14   -3    9    8    7    7   10      8   6      0   10    7    7  1985
1986    25   28   23   21   21   13    9    6   -6    3    6   10     13  13     21   22    9    1  1986
1987    28   41   10   18   21   28   41   27   32   23   18   42     27  25     26   16   32   24  1987
1988    52   37   44   40   36   36   32   39   32   29    7   29     35  36     44   40   36   23  1988
1989    12   31   33   30   17   12   28   28   26   20   15   29     24  24     24   27   23   21  1989
1990    34   36   71   48   39   37   34   28   31   36   40   36     39  39     33   53   33   36  1990
1991    38   45   30   43   34   46   41   32   44   27   27   28     36  37     40   36   40   33  1991
1992    41   35   44   23   30   21   11   -1    2    7   -1   20     19  20     35   32   11    3  1992
1993    33   36   34   23   27   25   29   15    6   20    5   18     23  23     30   28   23   10  1993
1994    26    0   26   39   30   32   23   23   28   36   43   38     29  27     15   31   26   36  1994
1995    50   77   44   43   29   47   37   42   29   46   41   28     43  44     55   39   42   39  1995
1996    25   46   30   32   31   25   31   42   17   15   39   39     31  30     33   31   33   23  1996
1997    32   36   53   35   38   49   36   41   54   59   60   58     46  44     36   42   42   58  1997
1998    61   86   63   67   68   76   67   66   45   40   46   55     62  62     68   66   70   44  1998
1999    49   67   32   37   34   33   43   36   41   39   39   47     41  42     57   34   37   39  1999
2000    24   58   60   57   42   40   40   40   38   30   31   27     40  42     43   53   40   33  2000

Year   Jan  Feb  Mar  Apr  May  Jun  Jul  Aug  Sep  Oct  Nov  Dec    J-D D-N    DJF  MAM  JJA  SON  Year
2001    41   46   57   51   54   55   57   49   52   46   68   52     52  50     38   54   54   55  2001
2002    71   74   89   54   56   51   55   56   63   52   60   43     60  61     66   66   54   59  2002
2003    71   52   55   53   62   47   53   64   57   70   53   72     59  57     56   56   55   60  2003
2004    55   65   63   59   40   40   26   34   50   56   68   45     50  52     64   54   34   58  2004
2005    68   55   66   69   61   63   63   60   73   74   72   63     66  64     56   65   62   73  2005
2006    54   67   59   42   44   60   53   60   58   66   70   75     59  58     61   48   58   65  2006
2007    92   66   67   68   57   52   52   51   59   53   52   47     60  62     78   64   52   54  2007
2008    23   33   69   46   46   46   53   39   58   63   60   50     49  48     34   54   46   60  2008
2009    57   47   50   60   58   55   60   60   59   58   72   59     58  57     51   56   58   63  2009
2010    65   75   87   83   72   59   61   62   52   63   75   44     67  68     66   81   61   63  2010
2011    45   46   57   57   49   52   65   64   48   61   48   49     53  53     45   54   60   52  2011
2012    39   45   54   62   72   59   53   54   70   69   67   46     57  58     44   63   55   69  2012
2013    61   53   65   50   57   57   54   60   64   58   73   60     59  58     53   57   57   65  2013
2014    67   43   72   73   77   64   52   76   79   76   61   73     68  67     56   74   64   72  2014
2015    76   80   85   75 **** **** **** **** **** **** **** ****   **** ***     76 **** **** ****  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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