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World Temperature Modifications
The other web pages in this set (for the Religion of CAGW) involve a presentation of the temperatures in the 'raw' data set at GISS. There are three data sets at GISS: for raw data (with some corrections), combined data (after combining multiple records for the same location) and homogenized data (after a 'cleaning' adjustment). This web page shows the calculated difference between the raw values and the homogenized values, presented as the annual average (averaging the difference for all the months in each year having a temperature record). These charts use Jan-Dec for the months in each year. Since GISS performs seasonal averaging, with the seasons beginning in December not January, the charts sometimes show a slight change in the last year before a step change; this slight difference is due to the GISS adjustment for the next step starting in December.
There are three possible trends to observe:
If the line of the temperature differences is flat on zero then that means there were no adjustments by GISS between the raw temperatures and the homogenized temperatures.
If the trend of the line is from the upper left (positive) toward zero at the right then that means there must have been warming due to the location of the temperature measurement instrument(s), presumably due to the urban heat island effect (human activities around the instruments warmed the device(s) more than had the device(s) been located away from those activities) and so the oldest temperatures are warmed to compensate for that effect. This adjustment is clear recognition that the temperature record is corrupted (warmed) by the temperature recording methods.
If the trend of the line is from the lower left (negative) toward zero at the right then the oldest temperatures were made cooler making any temperature trend in the homogenized data set at this location warmer than the raw temperatures indicated. This adjustment either increases any warming present or results in a warming trend where none was present.
Here are the differences between the annual average temperatures in the raw and homogenized GISS data sets for these regions. The regions of the world are presented in this order (alphabetical by first letter of region but not with split name):
Africa, Southeast Asia, Southwest Asia, Australia, East Canada, West Canada, East Europe, West Europe, North Europe, South Europe, New Zealand, Pacific Ocean, Poles (north and south), East Russia, West Russia, South America,
The United States of America has its own topic.
After each graph is a short summary of the analysis for its locations. The left column of numbers has the temperature adjustments and the right column of numbers are the 10-year averages (of anomalies) for the year at the left. The First Adj is the first adjustment in the record. The First Ave is the first 10-year average in the record. A Peak Ave is a peak (high or low) in the anomaly average while Mid Adj is a middle peak (high or low) in the annual temperature adjustment (a Mid Adj is somewhat uncommon since the typical adjustment starts either high or low and approaches zero at the end). When the adjustments are positive, the oldest raw temperatures have been increased which would be a compensation for when the most recent temperatures are too warm due to the urban heat island effect. When the adjustments are negative, the oldest raw temperatures have been decreased which would make any overall warming trend more severe or could make an overall flat or cooling trend into a warming trend. Take note of the sign of the adjustments and the temperature swings in the first half of the 20th Century.
Africa
Egypt, Aswan 1904 First Adj +1.0 1913 First Ave +0.9 10-yr Ave -0.5 1940 Peak Ave +0.4 10-yr Ave +0.6 1973 Peak Ave -0.1 10-yr Ave -0.7 2009 Last Adj -0.4 10-yr Ave +0.4
Senegal, Saint-Louis 1904 First Adj 0.0 1901 First Ave 0.0 10-yr Ave -1.0 1950 Peak Ave 0.0 10-yr Ave +0.4 1957 Peak Ave 0.0 10-yr Ave -0.3 1970 Peak Ave 0.0 10-yr Ave +1.0 2009 Last Adj 0.0 10-yr Ave +0.6
Zimbabwe, Harare 1898 First Adj 0.0 1907 First Ave 0.0 10-yr Ave -0.2 1922 Peak Ave 0.0 10-yr Ave +0.6 1981 Peak Ave 0.0 10-yr Ave -0.5 2004 Last Adj 0.0 10-yr Ave -0.1
Morocco, Dar-El-Beida (Casablanca) 1881 First Adj +1.2 1890 First Ave +0.2 10-yr Ave +0.4 1909 Peak Ave -1.6 10-yr Ave -1.3 1955 Peak Ave -1.0 10-yr Ave +0.6 1978 Peak Ave -0.4 10-yr Ave -0.2 2009 Last Adj _0.0 10-yr Ave +1.0
South Africa, Capetown 1890 First Ave 10-yr Ave +0.1 1909 First Adj +1.1 10-yr Ave -0.3 1939 Peak Ave +1.1 10-yr Ave +0.7 1970 Peak Ave -0.3 10-yr Ave -0.9 2009 Last Adj _0.0 10-yr Ave +0.2
Sierra Leone, Lungi 1881 First Adj -0.1 1890 First Ave _0.0 10-yr Ave +0.4 1905 Peak Ave -0.1 10-yr Ave +0.5 1936 Peak Ave -0.1 10-yr Ave -0.5 1991 Last Adj _0.0 10-yr Ave -0.1
Sudan, Malakal 1915 First Adj +1.2 1924 First Ave +1.2 10-yr Ave -0.3 1936 Peak Ave +1.2 10-yr Ave +0.3 1968 Peak Ave +1.1 10-yr Ave -0.3 1987 Last Adj +1.1 10-yr Ave +0.4
Southeast Asia
Japan, Fukushima 1899 First Ave 10-yr Ave -0.4 1913 First Adj -0.3 10-yr Ave -0.8 1962 Peak Ave -0.2 10-yr Ave +0.6 1990 Last Adj _0.0 10-yr Ave +0.3
Japan, Nagano 1889 First Adj +0.1 1898 First Ave +0.1 10-yr Ave -0.2 1927 Peak Ave -0.6 10-yr Ave -0.5 1962 Peak Ave -0.3 10-yr Ave +0.6 1990 Last Adj _0.0 10-yr Ave +0.3
Japan, Utsunomiya 1891 First Adj -0.3 1900 First Ave -0.3 10-yr Ave -0.3 1963 Peak Ave -0.4 10-yr Ave +0.5 1990 Last Adj _0.0 10-yr Ave +0.4
Japan, Yamagata 1898 First Ave 10-yr Ave -0.5 1913 First Adj -0.5 10-yr Ave -0.5 1962 Peak Ave -0.3 10-yr Ave +0.6 1990 Last Adj _0.0 10-yr Ave +0.4
Taiwan, Ishigakijima 1897 First Adj +0.6 1906 First Ave +0.4 10-yr Ave _0.0 1926 Peak Ave -0.4 10-yr Ave -1.4 1959 Peak Ave +0.2 10-yr Ave +0.5 2009 Last Adj _0.0 10-yr Ave +0.5
Thailand, Bangkok 1911 First Ave 10-yr Ave +0.1 1919 First Adj -0.8 10-yr Ave -0.2 1924 Peak Ave -0.8 10-yr Ave -0.5 1991 Last Adj -0.6 10-yr Ave +0.5
China, Beijing 1890 First Ave 10-yr Ave -0.3 1929 Peak Ave 10-yr Ave +0.4 1932 First Adj -0.4 10-yr Ave +0.3 1973 Peak Ave -0.8 10-yr Ave -0.8 2009 Last Adj _0.0 10-yr Ave +1.3
China, Shanghai 1890 First Ave 10-yr Ave -0.8 1945 Peak Ave 10-yr Ave +0.7 1953 First Adj -0.6 10-yr Ave +0.5 1974 Peak Ave -0.5 10-yr Ave -0.4 2009 Last Adj _0.0 10-yr Ave +1.1
Southwest Asia
India, Akola 1881 First Adj -0.5 1890 First Ave -0.5 10-yr Ave -1.0 2009 Last Adj -0.1 10-yr Ave +0.6
India, Begampet 1893 First Adj +0.7 1902 First Ave +0.6 10-yr Ave +0.2 1963 Peak Ave -0.2 10-yr Ave -0.9 2009 Last Adj _0.0 10-yr Ave +0.3
India, Jagadalpur 1909 First Adj +0.1 1918 First Ave +0.1 10-yr Ave -0.4 2009 Last Adj _0.0 10-yr Ave +0.4
India, Poona 1890 First Ave 10-yr Ave -0.1 1891 First Adj +1.4 10-yr Ave -0.1 1903 Peak Ave +1.4 10-yr Ave +0.5 1938 Peak Ave +1.3 10-yr Ave -0.2 1960 Peak Ave +0.9 10-yr Ave +0.5 1994 Peak Ave +0.3 10-yr Ave -0.4 2009 Last Adj _0.0 10-yr Ave +0.1
Iraq, Baghdad 1888 First Adj 0.0 1897 First Ave 0.0 10-yr Ave -0.2 1909 Peak Ave 0.0 10-yr Ave +0.5 1934 Peak Ave 0.0 10-yr Ave -0.3 1962 Peak Ave 0.0 10-yr Ave +0.5 1980 Last Adj 0.0 10-yr Ave -0.7
Israel, Jerusalem 1882 First Adj +1.1 1891 First Ave +1.1 10-yr Ave +0.1 1905 Peak Ave +1.0 10-yr Ave +0.5 1914 Peak Ave +1.0 10-yr Ave -0.3 1929 Peak Ave +1.3 10-yr Ave +0.6 1950 Peak Ave +0.5 10-yr Ave -0.6 1963 Peak Ave +1.3 10-yr Ave +0.9 1991 Last Adj +0.2 10-yr Ave -1.0
Sri Lanka, Colombo 1881 First Adj +0.3 1890 First Ave +0.2 10-yr Ave -0.1 1904 Peak Ave _0.0 10-yr Ave +0.4 1924 Peak Ave -0.2 10-yr Ave -0.4 2009 Last Adj _0.0 10-yr Ave +0.6
Turkmenistan, Turkmenbasy 1892 First Ave 10-yr Ave _0.0 1911 First Adj +2.0 10-yr Ave +0.5 1944 Peak Ave +1.8 10-yr Ave +0.8 1960 Peak Ave +0.9 10-yr Ave -1.1 2009 Last Adj _0.0 10-yr Ave +0.3
Australia Ballarat 1908 First Adj _0.0 1917 First Ave _0.0 10-yr Ave _0.0 1922 Peak Ave _0.0 10-yr Ave +0.3 1933 Peak Ave _0.0 10-yr Ave -0.3 1981 Peak Ave _0.0 10-yr Ave +0.4 2009 Last Adj +0.1 10-yr Ave -0.3
Cairns 1907 First Adj +0.6 1916 First Ave +0.4 10-yr Ave +0.1 1942 Peak Ave +0.2 10-yr Ave -0.5 1992 Peak Ave _0.0 10-yr Ave +0.4 2009 Last Adj +0.1 10-yr Ave _0.0
Cape Otway 1890 First Ave 10-yr Ave +0.8 1901 First Adj 0.0 10-yr Ave +0.8 1949 Peak Ave 0.0 10-yr Ave -0.6 1988 Peak Ave 0.0 10-yr Ave +0.2 2009 Last Adj 0.0 10-yr Ave _0.0
Echuca 1881 First Adj +0.2 1890 First Ave +0.2 10-yr Ave +0.1 1921 Peak Ave _0.0 10-yr Ave +0.5 1992 Last Adj _0.0 10-yr Ave -0.4
Georgetown 1907 First Adj 0.0 1916 First Ave 0.0 10-yr Ave -0.1 1925 Peak Ave 0.0 10-yr Ave -0.4 1935 Peak Ave 0.0 10-yr Ave +0.2 1957 Peak Ave 0.0 10-yr Ave -0.4 1992 Last Adj 0.0 10-yr Ave +0.7
Wiluna 1901 First Adj 0.0 1910 First Ave 0.0 10-yr Ave -0.6 1941 Peak Ave 0.0 10-yr Ave +0.3 1956 Peak Ave 0.0 10-yr Ave -0.5 1992 Last Adj 0.0 10-yr Ave +0.6
Eastern Canada
Manitoba, Brandon 1890 First Adj _0.0 1899 First Ave _0.0 10-yr Ave -1.3 1946 Peak Ave -0.1 10-yr Ave +0.6 1951 Peak Ave -0.1 10-yr Ave -0.1 1961 Peak Ave -0.1 10-yr Ave +0.7 1974 Peak Ave _0.0 10-yr Ave -0.3 1990 Last Adj _0.0 10-yr Ave +1.3
Manitoba, The Pas 1910 First Adj +0.2 1919 First Ave +0.2 10-yr Ave -0.4 1946 Peak Ave _0.0 10-yr Ave +0.4 1956 Peak Adj -0.2 10-yr Ave -0.4 1972 Peak Ave _0.0 10-yr Ave -0.7 2005 Last Adj _0.0 10-yr Ave +0.8 2008 Last Ave 10-yr Ave +0.7
New Brunswick, Moncton 1898 First Adj -0.3 1907 First Ave -0.4 10-yr Ave -0.3 1923 Peak Ave -0.5 10-yr Ave -0.6 1960 Peak Ave -0.4 10-yr Ave +0.5 1990 Last Adj _0.0 10-yr Ave +0.6
Ontario, Haliburton 1888 First Adj 0.0 1897 First Ave 0.0 10-yr Ave -0.1 1933 Peak Ave 0.0 10-yr Ave +0.7 1943 Peak Ave 0.0 10-yr Ave -0.5 1990 Last Adj 0.0 10-yr Ave +0.5
Ontario, Moosonee 1897 First Adj +0.4 1899 First Ave +0.5 10-yr Ave +0.3 1906 Peak Ave +0.5 10-yr Ave +0.6 1936 Peak Ave +0.8 10-yr Ave -0.8 1960 Peak Ave +0.5 10-yr Ave +0.8 1979 Peak Ave +0.2 10-yr Ave -0.6 1991 Last Adj _0.0 10-yr Ave -0.1
Ontario, Ottawa 1889 First Adj -0.5 1898 First Ave -0.4 10-yr Ave _0.0 1931 Peak Adj -1.4 10-yr Ave -0.3 1941 Peak Ave -0.6 10-yr Ave -0.7 1990 Last Adj _0.0 10-yr Ave +0.8
Western Canada Alberta, Calgary 1884 First Adj +0.2 1893 First Ave +0.1 10-yr Ave -0.7 1923 Peak Ave +0.1 10-yr Ave +0.7 1957 Peak Ave _0.0 10-yr Ave -0.9 1990 Last Adj _0.0 10-yr Ave +1.1
Alberta, Edmonton 1883 First Adj -0.3 1892 First Ave -0.3 10-yr Ave -0.9 1961 Peak Ave -0.1 10-yr Ave +0.3 1973 Peak Ave -0.1 10-yr Ave -0.2 1991 Last Adj _0.0 10-yr Ave +1.3
British Columbia, Bella Coola 1895 First Adj _0.0 1904 First Ave _0.0 10-yr Ave -0.3 1917 Peak Ave +0.1 10-yr Ave -0.8 1942 Peak Ave _0.0 10-yr Ave +0.6 1956 Peak Ave _0.0 10-yr Ave -0.9 1990 Last Adj _0.0 10-yr Ave +0.7
British Columbia, Quatsino 1898 First Adj 0.0 1904 First Ave 0.0 10-yr Ave -0.5 1945 Peak Ave 0.0 10-yr Ave +0.6 1977 Peak Ave 0.0 10-yr Ave -0.4 1990 Last Adj 0.0 10-yr Ave +0.5
Saskatchewan, Chaplin 1893 First Adj 0.0 1902 First Ave 0.0 10-yr Ave -0.7 1912 Peak Ave 0.0 10-yr Ave -1.4 1934 Peak Ave 0.0 10-yr Ave +0.5 1951 Peak Ave 0.0 10-yr Ave -0.4 1961 Peak Ave 0.0 10-yr Ave +0.7 1974 Peak Ave 0.0 10-yr Ave -0.2 1989 Last Adj 0.0 10-yr Ave +1.3
Saskatchewan, Saskatoon 1892 First Adj -0.8 1901 First Ave -0.8 10-yr Ave -1.2 1946 Peak Ave -0.4 10-yr Ave +0.6 1955 Peak Ave -0.3 10-yr Ave -0.4 1961 Peak Ave -0.2 10-yr Ave +0.6 1973 Peak Ave -0.1 10-yr Ave -0.5 1990 Last Adj _0.0 10-yr Ave +1.4
Northwest Territories, Hay River 1893 First Adj -0.3 1902 First Ave -0.3 10-yr Ave -0.8 1946 Peak Ave -0.4 10-yr Ave +1.0 1968 Peak Ave -0.2 10-yr Ave -0.2 1990 Last Adj _0.0 10-yr Ave +1.1
Eastern Europe
Georgia, Tbilisi 1881 First Adj -0.1 1890 First Ave _0.0 10-yr Ave -0.4 1966 Peak Ave +0.2 10-yr Ave +0.6 1976 Peak Ave _0.0 10-yr Ave -0.2 1991 Last Adj _0.0 10-yr Ave +0.2
Poland, Wroclaw 1881 First Adj +0.1 1990 First Ave +0.1 10-yr Ave -0.4 1906 Peak Ave +0.1 10-yr Ave +0.4 1965 Peak Ave +0.1 10-yr Ave -0.6 2009 Last Adj _0.0 10-yr Ave +1.0
Belarus, Minsk 1891 First Adj -0.9 1900 First Ave -0.9 10-yr Ave -0.2 1947 Peak Ave -0.9 10-yr Ave -0.6 2009 Last Adj _0.0 10-yr Ave +1.5
Romania, Sibiu 1881 First Adj +0.8 1890 First Ave +0.7 10-yr Ave +0.1 1927 Peak Ave +0.5 10-yr Ave +0.5 1941 Peak Ave +0.4 10-yr Ave -0.3 1955 Peak Ave +0.3 10-yr Ave +0.6 1985 Peak Ave +0.2 10-yr Ave -0.5 2009 Last Adj _0.0 10-yr Ave +0.5
Romania, Sulina 1881 First Adj 0.0 1890 First Ave 0.0 10-yr Ave -0.3 1923 Peak Ave 0.0 10-yr Ave +0.1 1949 Peak Ave 0.0 10-yr Ave -0.7 2009 Last Adj 0.0 10-yr Ave +1.0
Ukraine, Kharkiv 1892 First Adj -0.3 1901 First Ave -0.2 10-yr Ave -0.7 1939 Peak Ave +0.3 10-yr Ave +0.3 1948 Peak Ave +0.2 10-yr Ave -0.6 2009 Last Adj 0.0 10-yr Ave +1.5
Ukraine, Kyiv 1881 First Adj -1.0 1890 First Ave -1.0 10-yr Ave -0.7 2009 Last Adj _0.0 10-yr Ave +1.6
Ukraine, Odesa 1881 First Adj -0.3 1890 First Ave -0.3 10-yr Ave -0.4 1906 Peak Ave -0.1 10-yr Ave +0.2 1949 Peak Ave -0.1 10-yr Ave -0.5 2009 Last Adj _0.0 10-yr Ave +1.2
Northern Europe
Sweden, Stockholm 1885 First Adj -0.3 1890 First Ave -0.2 10-yr Ave -0.6 1939 Peak Ave _0.0 10-yr Ave +0.8 1980 Last Adj _0.0 10-yr Ave +0.6
Finland, Haparanda 1881 First Adj -0.3 1890 First Ave -0.3 10-yr Ave -0.5 1902 Peak Ave -0.2 10-yr Ave -1.0 1938 Peak Ave -0.1 10-yr Ave +1.2 1971 Peak Ave _0.0 10-yr Ave -0.7 2009 Last Adj _0.0 10-yr Ave +1.4
Finland, Helsinki 1890 First Ave ____ 10-yr Ave -0.5 1939 Peak Ave ____ 10-yr Ave +1.1 1950 First Adj +0.6 10-yr Ave +0.3 1971 Peak Ave +0.3 10-yr Ave -0.8 2009 Last Adj -0.1 10-yr Ave +1.1
Finland, Sodankyla 1908 First Adj 0.0 1917 First Ave 0.0 10-yr Ave -0.8 1939 Peak Ave 0.0 10-yr Ave +0.9 1987 Peak Ave 0.0 10-yr Ave -1.0 2009 Last Adj 0.0 10-yr Ave +1.1
Finland, Vardo 1881 First Adj 0.0 1890 First Ave 0.0 10-yr Ave -0.6 1938 Peak Ave 0.0 10-yr Ave +0.6 1971 Peak Ave 0.0 10-yr Ave -0.5 2009 Last Adj 0.0 10-yr Ave +1.3
Southern Europe
Gibraltar 1881 First Adj 0.0 1890 First Ave 0.0 10-yr Ave -0.3 1918 Peak Ave 0.0 10-yr Ave -0.8 1950 Last Adj 0.0 10-yr Ave -0.4 2009 Last Ave ___ 10-yr Ave +0.7
Croatia, Zagreb 1881 First Adj 0.0 1890 First Ave 0.0 10-yr Ave -0.7 1952 Peak Ave 0.0 10-yr Ave +0.6 1987 Peak Ave 0.0 10-yr Ave -0.4 2009 Last Adj 0.0 10-yr Ave +1.3
Greece, Athinai 1890 First Ave ____ 10-yr Ave -0.3 1921 First Adj -1.2 10-yr Ave -0.3 1931 Peak Ave -1.2 10-yr Ave +0.5 1980 Peak Ave -1.1 10-yr Ave -0.4 2009 Last Adj _0.0 10-yr Ave +0.9
Malta, Luqa 1890 First Ave ____ 10-yr Ave -0.3 1950 First Adj +0.4 10-yr Ave +0.3 1976 Peak Ave -0.2 10-yr Ave -0.4 2009 Last Adj _0.0 10-yr Ave +0.6
Portugal, Lisboa 1881 First Adj -1.1 1890 First Ave -0.9 10-yr Ave -1.1 1955 Peak Ave -0.2 10-yr Ave +0.5 2009 Last Adj _0.0 10-yr Ave +0.8
Spain, Madrid 1890 First Ave 10-yr Ave -0.4 1924 First Adj -0.6 10-yr Ave -0.4 1966 Peak Ave -0.2 10-yr Ave +0.3 1978 Peak Ave -0.1 10-yr Ave -0.2 1991 Last Adj _0.0 10-yr Ave +0.7
Spain, Valencia 1900 First Adj -1.3 1909 First Ave -1.3 10-yr Ave -0.4 1921 Peak Ave -1.4 10-yr Ave -1.2 2009 Last Adj _0.0 10-yr Ave +1.4
Western Europe
Austria, Wien 1881 First Adj -0.6 1890 First Ave -0.6 10-yr Ave -0.7 1953 Peak Ave -0.6 10-yr Ave +0.4 1963 Peak Ave -0.4 10-yr Ave -0.3 2009 Last Adj 0.0 10-yr Ave +1.3
Belgium, Uccle 1881 First Adj +0.5 1890 First Ave +0.5 10-yr Ave -0.9 1950 Peak Ave +0.6 10-yr Ave +0.6 1963 Peak Ave +0.5 10-yr Ave -0.5 2009 Last Adj _0.0 10-yr Ave +0.9
France, Marseille 1890 First Ave 10-yr Ave -0.6 1932 First Adj 0.0 10-yr Ave -0.2 1940 Peak Ave 0.0 10-yr Ave -0.5 2009 Last Adj 0.0 10-yr Ave +1.2
France, Nantes 1881 First Adj _0.0 1890 First Ave -0.3 10-yr Ave -0.7 2009 Last Adj _0.0 10-yr Ave +0.8
Ireland, Belfast 1881 First Adj 0.0 1890 First Ave 0.0 10-yr Ave -0.4 2009 Last Adj 0.0 10-yr Ave +0.8
Ireland, Dublin 1881 First Adj +0.3 1890 First Ave +0.3 10-yr Ave -0.7 1982 Peak Adj +1.1 10-yr Ave +0.4 2009 Last Adj +0.1 10-yr Ave +0.4
Ireland, Valentia 1881 First Adj 0.0 1890 First Ave 0.0 10-yr Ave -0.3 1949 Peak Ave 0.0 10-yr Ave +0.5 1969 Peak Ave 0.0 10-yr Ave -0.3 2009 Last Adj 0.0 10-yr Ave +0.5
Netherlands, De Bilt 1881 First Adj +1.7 1890 First Ave +1.7 10-yr Ave -0.1 1939 Peak Ave +1.1 10-yr Ave +0.6 1971 Peak Ave +0.3 10-yr Ave -1.0 2009 Last Adj _0.0 10-yr Ave +0.7
Switzerland, Geneve 1881 First Adj +0.2 1890 First Ave +0.1 10-yr Ave -0.6 1952 Peak Ave -0.4 10-yr Ave +0.8 1971 Peak Ave -0.5 10-yr Ave -0.8 1988 Peak Adj -0.7 10-yr Ave -0.4 2009 Last Adj _0.0 10-yr Ave +1.2
Switzerland, Zurich 1881 First Adj +0.3 1890 First Ave +0.5 10-yr Ave -0.7 1910 Peak Adj +0.8 10-yr Ave -0.4 1951 Peak Ave +0.2 10-yr Ave +0.8 1971 Peak Ave +0.3 10-yr Ave -0.5 2009 Last Adj _0.0 10-yr Ave +1.0
New Zealand, Auckland 1890 First Ave ____ 10-yr Ave -0.1 1906 Peak Ave ____ 10-yr Ave -0.4 1948 First Adj +0.7 10-yr Ave -0.1 1962 Peak Ave +0.5 10-yr Ave +0.6 1991 Last Adj _0.0 10-yr Ave +0.1
New Zealand, Hokitika 1894 First Adj 0.0 1903 First Ave 0.0 10-yr Ave +0.4 1927 Peak Ave 0.0 10-yr Ave -0.5 2009 Last Adj 0.0 10-yr Ave _0.0
New Zealand, Wellington 1890 First Ave ____ 10-yr Ave +0.1 1917 Peak Ave ____ 10-yr Ave +0.6 1937 Peak Ave ____ 10-yr Ave -0.5 1943 First Adj +0.8 10-yr Ave -0.3 1989 Last Adj _0.0 10-yr Ave _0.0
Pacific Japan, Choshi 1892 First Adj +0.1 1896 First Ave -0.1 10-yr Ave +0.2 1906 Peak Ave -0.1 10-yr Ave -0.7 1961 Peak Ave +0.2 10-yr Ave +0.5 1989 Peak Ave _0.0 10-yr Ave -0.2 2009 Last Adj _0.0 10-yr Ave +0.5
Japan, Hachijojima 1906 First Adj +0.3 1915 First Ave _0.0 10-yr Ave -0.2 1929 Peak Ave _0.0 10-yr Ave -0.5 1961 Peak Ave _0.0 10-yr Ave +0.7 1990 Last Adj +0.2 10-yr Ave +0.1
Norfolk Island 1915 First Adj 0.0 1924 First Ave 0.0 10-yr Ave +0.4 1947 Peak Ave 0.0 10-yr Ave -0.4 2009 Last Adj 0.0 10-yr Ave -0.2
Australia, Lord Howe Island 1912 First Adj 0.0 1921 First Ave 0.0 10-yr Ave -0.1 1927 Peak Ave 0.0 10-yr Ave -0.3 2009 Last Adj 0.0 10-yr Ave +0.3
Papua New Guinea, Port Moresby 1903 First Adj +0.2 1912 First Ave +0.2 10-yr Ave _0.0 1994 Last Adj _0.0 10-yr Ave +0.3
Rarotonga 1907 First Adj _0.0 1916 First Ave _0.0 10-yr Ave -0.3 2004 Last Adj +0.1 10-yr Ave +0.5
Poles
Iceland, Akureyri 1883 First Adj -1.0 1891 First Ave -0.8 10-yr Ave -1.1 1941 Peak Ave +0.2 10-yr Ave +1.4 1971 Peak Ave -0.2 10-yr Ave -0.5 2009 Last Adj _0.0 10-yr Ave +1.0
Iceland, Reykjavik 1901 First Adj -0.6 1910 First Ave -1.0 10-yr Ave -0.3 1941 Peak Ave -0.5 10-yr Ave +0.8 1984 Peak Ave _0.0 10-yr Ave -0.8 2009 Last Adj +0.1 10-yr Ave +0.7
Greenland, Angmagssalik 1895 First Adj _0.0 1904 First Ave _0.0 10-yr Ave -0.9 1934 Peak Ave _0.0 10-yr Ave +1.1 1953 Peak Adj -0.2 10-yr Ave +0.6 1974 Peak Ave _0.0 10-yr Ave -0.8 2009 Last Adj +0.1 10-yr Ave +1.2
Greenland, Godthab – Nuuk 1881 First Adj +1.0 1890 First Ave +1.0 10-yr Ave -1.3 1935 Peak Ave +1.0 10-yr Ave +1.2 1970 Peak Ave +0.9 10-yr Ave -0.9 2009 Last Adj +0.1 10-yr Ave +1.0
Greenland, Upernavik 1881 First Adj 0.0 1890 First Ave 0.0 10-yr Ave -1.8 1937 Peak Ave 0.0 10-yr Ave +2.2 1981 Last Adj 0.0 10-yr Ave +0.2 1989 Last Ave 10-yr Ave +0.2
Antarctica - Argentina, Base Orcadas 1903 First Adj 0.0 1912 First Ave 0.0 10-yr Ave -0.5 1935 Peak Ave 0.0 10-yr Ave -1.4 2009 Last Adj 0.0 10-yr Ave +1.1
Eastern Russia
Enisejsk 1881 First Adj +0.8 1890 First Ave +0.8 10-yr Ave -0.6 1905 Peak Ave +0.5 10-yr Ave +0.6 1919 Peak Ave _0.0 10-yr Ave -0.6 1941 Peak Adj -0.7 10-yr Ave -0.3 1974 Peak Ave -0.2 10-yr Ave -1.0 2009 Last Adj _0.0 10-yr Ave +1.2
Jakutsk 1882 First Adj -1.1 1891 First Ave -1.1 10-yr Ave -0.5 1926 Peak Ave -0.8 10-yr Ave +0.5 1958 Peak Ave -1.0 10-yr Ave -0.5 1991 Last Adj -0.7 10-yr Ave +0.8
Krasnojarsk 1891 First Adj +0.8 1900 First Ave +0.8 10-yr Ave +0.2 1912 Peak Ave +0.6 10-yr Ave -0.6 1926 Peak Ave +0.5 10-yr Ave +0.3 1974 Peak Ave _0.0 10-yr Ave -0.7 2009 Last Adj _0.0 10-yr Ave +0.9
Markovo 1895 First Adj +0.2 1903 First Ave _0.0 10-yr Ave -0.8 1919 Peak Ave -0.1 10-yr Ave -1.3 1943 Peak Ave _0.0 10-yr Ave +1.4 1977 Peak Ave _0.0 10-yr Ave -0.3 1990 Last Adj _0.0 10-yr Ave +0.3
Nikol'Skoe 1899 First Adj +0.1 1908 First Ave +0.1 10-yr Ave -0.3 1921 Peak Ave +0.1 10-yr Ave -0.7 1990 Last Adj _0.0 10-yr Ave +0.3
Salehard 1883 First Adj -0.4 1892 First Ave -0.2 10-yr Ave -1.4 1951 Peak Ave +0.3 10-yr Ave +1.2 1972 Peak Ave +0.2 10-yr Ave -1.1 2009 Last Adj _0.0 10-yr Ave +0.8
Turuhansk 1881 First Adj _0.0 1890 First Ave _0.0 10-yr Ave -1.9 1927 Peak Adj +0.4 10-yr Ave -0.3 1945 Peak Ave _0.0 10-yr Ave +1.2 1962 Peak Adj -0.5 10-yr Ave +0.1 1974 Peak Ave -0.1 10-yr Ave -0.9 2009 Last Adj _0.0 10-yr Ave +0.9
Western Russia Arhangel'Sk 1890 First Ave 10-yr Ave -0.7 1895 First Adj +0.1 10-yr Ave -0.9 1922 Peak Adj +0.7 10-yr Ave _0.0 1939 Peak Ave +0.4 10-yr Ave +1.1 1971 Peak Ave +0.2 10-yr Ave -0.7 2009 Last Adj _0.0 10-yr Ave +1.1
Astrahan 1881 First Adj +0.5 1890 First Ave +0.5 10-yr Ave -0.3 1898 Peak Ave +0.5 10-yr Ave -0.8 1923 Peak Ave +1.1 10-yr Ave +0.3 1935 Peak Ave +0.5 10-yr Ave -0.7 2009 Last Adj _0.0 10-yr Ave +1.3
Elat'Ma 1885 First Adj _0.0 1894 First Ave -0.1 10-yr Ave -0.3 1939 Peak Ave _0.0 10-yr Ave +0.5 1948 Peak Ave +0.1 10-yr Ave -0.5 1990 Last Adj _0.0 10-yr Ave +1.0
Kamennaja 1897 First Adj +0.4 1906 First Ave +0.1 10-yr Ave +0.3 1933 Peak Ave +0.1 10-yr Ave -0.5 1939 Peak Ave +0.1 10-yr Ave +0.3 1948 Peak Ave -0.1 10-yr Ave -0.6 1989 Last Adj -0.2 10-yr Ave +0.4
Kazan' 1881 First Adj -0.1 1890 First Ave -0.1 10-yr Ave -0.5 1931 Peak Adj +1.0 10-yr Ave +0.2 1939 Peak Ave +0.5 10-yr Ave +0.6 1959 Peak Ave -0.3 10-yr Ave -0.6 2009 Last Adj _0.0 10-yr Ave +1.5
Moskva 1881 First Adj -0.9 1890 First Ave -0.9 10-yr Ave -0.9 1939 Peak Ave -0.2 10-yr Ave +0.3 1948 Peak Ave -0.1 10-yr Ave -0.6 1979 Peak Adj +0.7 10-yr Ave +0.5 2009 Last Adj +0.1 10-yr Ave +1.8
Orenburg 1886 First Adj +0.1 1895 First Ave +0.1 10-yr Ave -0.4 1918 Peak Ave +0.2 10-yr Ave +0.1 1950 Peak Ave -0.1 10-yr Ave -0.7 2004 Last Adj _0.0 10-yr Ave +1.1
Rostov-Na-Don 1891 First Adj -0.3 1900 First Ave -0.6 10-yr Ave -1.0 1975 Peak Ave +0.5 10-yr Ave +1.1 1997 Last Adj _0.0 10-yr Ave +0.6
St Peterburg 1881 First Adj -1.2 1890 First Ave -1.1 10-yr Ave -0.7 1939 Peak Ave _0.0 10-yr Ave +0.7 1948 Peak Ave _0.0 10-yr Ave -0.8 2009 Last Adj _0.0 10-yr Ave +1.6
South America
Bahamas, Nassau 1881 First Adj 0.0 1890 First Ave 0.0 10-yr Ave +0.4 1923 Peak Ave 0.0 10-yr Ave -0.2 1933 Peak Ave 0.0 10-yr Ave +0.5 1958 Peak Ave 0.0 10-yr Ave -0.6 1991 Last Adj 0.0 10-yr Ave +0.1
Argentina, Bahia Blanca 1890 First Ave 10-yr Ave 0.0 1896 First Adj _0.0 10-yr Ave +0.1 1922 Peak Ave _0.0 10-yr Ave +0.5 1960 Peak Ave _0.0 10-yr Ave -0.5 2009 Last Adj +0.1 10-yr Ave +0.2
Argentina, Trelew 1901 First Adj 0.0 1910 First Ave 0.0 10-yr Ave -0.3 1945 Peak Ave 0.0 10-yr Ave +0.3 2009 Last Adj 0.0 10-yr Ave +0.1
Brazil, Curitiba 1894 First Ave 10-yr Ave -0.1 1931 First Adj -2.0 10-yr Ave -0.3 1991 Last Adj -0.6 10-yr Ave +0.5
Brazil, Manaus 1919 First Ave 10-yr Ave +0.2 1937 First Adj +0.3 10-yr Ave -0.5 1944 Peak Adj +0.8 10-yr Ave 0.0 2009 Last Adj _0.0 10-yr Ave +0.5
Chile, Pudahuel 1890 First Ave 10-yr Ave -0.6 1927 First Adj +1.1 10-yr Ave -0.3 1952 Peak Ave +0.8 10-yr Ave +0.7 1985 Last Adj +0.4 10-yr Ave -0.3
Chile, Punta Arenas 1888 First Adj _0.0 1897 First Ave _0.0 10-yr Ave +0.2 1914 Peak Ave -0.3 10-yr Ave -0.4 1945 Peak Ave _0.0 10-yr Ave +0.5 1973 Peak Ave -0.1 10-yr Ave -0.6 2009 Last Adj _0.0 10-yr Ave -0.1
Paraguay, Asuncion 1902 First Ave 10-yr Ave -0.4 1916 First Adj +0.9 10-yr Ave -0.7 1952 Peak Ave +0.7 10-yr Ave +1.2 1992 Peak Ave _0.0 10-yr Ave -0.7 2009 Last Adj _0.0 10-yr Ave -0.3
There is a mix of locations adjusted for warming (to reduce the warming trend in the raw data set) and for cooling (to increase the warming trend in the raw data set).
Here is an analysis of the temperature record.
created - Jan. 2011 Here is the list of topics in this AGW Topic Group . All Topic Groups are available by selecting More TG. All topics in the site are in the Site Map, where each Topic Group has its topics indented below it.
Ctrl + for zoom in; Ctrl - for zoom out ; Ctrl 0 for no zoom; triple-tap for zoom to fit; pinch for zoom change; pinched for no zoom
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