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WEATHER IN Alton
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WEATHER HISTORY IN Alton

Average monthly and annual air temperatures in Alton

(according to online data and literature sources)
year
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1947
1948
1949
1950
1951
1952
1953
1954
1955
1959
1960
1961
1962
1963
1964
jan feb mar apr may jun jul aug sep oct nov dec year
-10.5 -9.5 -7.1 2.3 15.6 17.3 21.8 17.5 12.0 5.0 -0.6 -5.2 4.9
-12.2 -9.5 -8.7 1.6 9.2 16.9 17.4 17.2 12.2 3.4 1.0 -4.2 3.7
-5.4 -11.5 -1.7 4.6 11.1 13.7 18.6 16.8 14.2 3.9 1.0 -1.8 5.3
-4.2 -5.3 -5.3 4.4 8.1 17.2 18.1 15.9 12.0 6.7 0.0 -8.3 4.9
-6.9 -5.2 -5.2 4.1 9.8 16.7 15.8 16.9 15.8 6.1 0.1 -1.8 5.5
-9.9 -7.2 -6.1 2.7 9.0 17.4 18.0 17.9 13.2 7.0 -1.3 -6.8 4.5
-12.7 -11.2 -5.2 2.2 9.9 18.0 18.2 18.0 12.4 7.9 0.2 -7.5 4.2
-5.6 -10.2 -0.1 5.4 10.4 17.6 19.0 16.8 15.3 7.8 -2.1 -3.7 5.9
-9.5 -12.9 -8.0 4.2 12.6 18.5 17.1 17.2 14.6 3.6 -0.2 -4.4 4.4
-9.2 -9.1 -7.9 6.8 14.7 16.3 18.7 18.4 12.3 5.3 1.7 -5.9 5.2
-8.0 -7.5 -4.5 4.0 10.3 14.0 20.6 16.4 15.0 9.3 0.6 -4.9 5.4
-7.2 -7.1 0.6 3.9 11.3 17.2 20.1 19.0 16.3 8.1 -0.3 -6.5 6.3
-9.6 -11.1 -6.4 5.3 12.0 17.2 18.4 19.7 11.9 9.0 2.1 -4.8 5.3
-6.8 -10.3 -7.6 5.3 12.0 17.5 19.4 21.2 16.9 13.1 1.6 -4.5 6.5
-7.8 -11.9 -5.5 5.2 11.4 17.0 20.9 18.1 13.9 7.0 -1.3 -6.2 5.1
-8.5 -9.2 0.2 4.8 10.4 13.9 18.5 15.9 13.3 6.2 4.1 -7.3 5.2
-8.2 -7.5 1.7 4.5 12.7 14.1 18.6 15.0 13.6 7.3 -1.7 -9.4 5.1
-13.8 -15.1 -6.0 0.8 13.0 15.6 17.6 15.7 13.3 5.5 -0.8 -9.3 3.0
-10.7 -12.9 -4.6 3.5 10.3 16.2 18.6 17.2 14.3 7.2 -0.7 -4.3 4.5
-4.3 -9.5 -6.7 4.8 10.5 16.9 17.8 19.2 15.8 6.5 -0.2 -8.7 5.2
-9.1 -11.7 -2.1 0.4 7.1 15.9 18.2 16.3 14.1 4.5 -0.7 -5.0 4.0
-9.0 -12.0 -4.8 2.6 11.6 16.8 19.1 16.6 17.3 8.6 0.9 -5.5 5.2
-6.7 -6.6 -5.4 2.3 9.4 16.3 17.5 17.6 12.2 4.4 2.6 -7.2 4.7
-8.5 -11.0 0.2 5.9 8.6 15.2 18.5 16.6 12.2 8.0 -1.7 -10.0 4.5
-7.3 -8.2 -5.0 2.8 14.3 15.9 19.6 17.7 12.7 6.3 -1.8 -3.0 5.3
-14.4 -12.1 -9.2 2.4 11.1 14.1 17.9 14.5 14.6 7.2 0.9 -4.5 3.5
-3.5 -8.9 -3.3 4.5 9.2 15.7 17.9 18.0 12.2 7.6 3.1 -1.7 5.9
-7.0 -11.7 -4.2 3.3 13.1 16.7 20.1 18.5 14.2 10.5 0.1 -5.7 5.7
-8.4 -6.1 -4.6 8.3 9.0 14.8 18.0 16.7 15.5 8.3 1.9 -5.9 5.6
-4.3 -9.8 -7.8 4.8 10.8 14.3 22.4 20.6 13.9 7.3 0.2 -6.0 5.5
-8.7 -12.3 -6.3 3.0 7.9 14.5 19.6 17.9 12.7 4.5 -0.9 -10.2 3.5
-14.4 -10.0 -2.3 4.5 12.8 14.6 19.0 19.8 11.0 8.6 2.6 -3.2 5.3
-5.3 -6.1 -2.4 3.8 10.6 20.5 20.5 18.0 14.6 9.3 0.1 -9.0 6.2
-14.1 -10.5 -1.7 2.6 10.7 17.2 17.2 18.5 15.1 11.2 -0.1 -3.2 5.2
-5.2 -5.9 1.1 8.1 13.2 18.1 23.5 17.7 16.9 7.5 -0.8 -5.2 7.4
-8.3 -6.7 -1.7 5.3 14.5 17.1 18.9 18.4 16.0 8.4 2.5 -4.4 6.7
-8.4 -10.4 -6.1 2.8 9.7 18.6 18.9 17.2 14.3 7.7 1.8 0.4 5.5
-7.9 -9.0 -2.6 4.6 8.7 16.2 18.7 17.7 12.7 9.5 1.9 -7.3 5.3
-9.0 -4.8 -0.7 6.5 8.7 18.0 18.4 19.5 15.0 3.7 0.9 -5.3 5.9
-6.9 -8.0 -7.0 -0.0 10.0 14.7 18.3 18.2 13.2 6.6 0.2 999.9 999.9
-8.8 -6.2 -1.2 4.5 9.8 14.1 18.3 15.9 15.2 9.5 2.9 -4.8 5.8
-7.6 -8.7 -4.3 3.5 11.0 15.3 19.5 19.1 12.9 9.0 1.6 -2.5 5.7
-8.5 -9.2 0.0 5.4 9.4 15.9 18.3 16.3 15.9 7.1 0.3 -6.8 5.3
-8.7 -4.8 -3.8 4.2 13.3 18.1 19.8 19.1 16.2 7.6 2.1 -4.9 6.5
-7.6 -6.0 -2.1 5.4 12.2 16.3 18.9 18.0 16.2 9.6 5.3 -1.7 7.0
-0.7 -4.1 -4.3 3.4 11.2 17.3 17.8 18.4 13.7 8.2 -1.5 -3.7 6.3
-2.5 -7.3 -3.1 5.4 12.7 20.2 20.8 19.1 16.3 6.5 -3.1 -7.2 6.5
-6.4 -15.7 -5.9 3.0 12.5 18.3 20.2 16.9 16.0 7.0 3.4 -6.5 5.2
-9.4 -9.2 -1.4 3.9 8.3 999.9 20.1 17.0 999.9 999.9 -0.8 -9.5 999.9
-6.2 -8.8 -5.0 1.8 9.2 15.5 18.7 999.9 14.0 12.2 0.8 -5.9 999.9
-11.0 -9.6 -3.9 6.1 9.2 15.7 18.8 18.7 999.9 999.9 999.9 999.9 999.9
999.9 999.9 -1.6 999.9 13.6 20.8 21.8 21.1 13.0 9.6 -0.7 -4.0 999.9
-2.7 999.9 -6.6 999.9 9.8 15.5 17.5 999.9 12.0 9.0 -0.3 999.9 999.9
-6.6 -6.4 -2.8 3.8 11.3 15.4 17.8 16.1 12.8 7.5 -3.5 -5.4 5.0
-6.7 -6.9 999.9 7.5 9.8 999.9 20.7 18.0 15.4 4.8 3.3 -2.6 999.9
-5.3 -5.0 -1.8 3.8 11.6 16.9 18.9 19.0 14.4 9.4 3.6 999.9 999.9
-9.9 -3.7 -3.6 5.3 9.4 17.3 18.4 999.9 999.9 999.9 999.9 999.9 999.9
999.9 999.9 -4.9 999.9 999.9 999.9 21.6 999.9 13.2 9.7 999.9 999.9 999.9
999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 0.1 -3.6 999.9
-6.7 -6.6 -8.3 6.2 12.2 16.8 18.7 18.0 15.7 7.8 3.4 -7.4 5.8
-10.0 -5.3 -2.1 2.9 9.8 16.3 19.1 18.8 17.5 10.0 1.8 -4.7 6.2
-9.9 -9.9 -3.3 5.7 14.4 16.5 17.5 18.0 12.6 8.6 0.7 -6.4 5.4
-10.9 -11.3 999.9 5.1 9.7 16.8 19.2 16.4 11.9 12.2 4.3 -9.5 999.9
-6.2 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9 999.9
Location of the weather station Alton (Ontario, Canada):
latitude 43.85 longitude -80.08 height above sea level 401 m.
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