| Division 8 Mean Temperature and Departures from Normal | ||||||||||||
| Year | January | February | March | April | May | June | July | August | September | October | November | December |
| MEAN (1971-2000) | 26.40 | 28.99 | 37.54 | 48.15 | 58.09 | 66.42 | 70.62 | 69.02 | 62.02 | 50.75 | 40.87 | 31.08 |
| DEPARTURES | ||||||||||||
| 2004 | -5.90 | -3.39 | 1.36 | 0.15 | 4.51 | -1.92 | -1.42 | -1.22 | 1.18 | -1.02* | 2.27* | -0.61* |
| 2003 | -4.80 | -5.29 | 0.36 | 0.65 | -1.69 | -2.02 | -0.52 | 2.28 | -0.92 | -3.05 | 3.63 | -0.98 |
| 2002 | 7.90 | 4.71 | 0.66 | 2.25 | -1.99 | 2.08 | 2.38 | 3.18 | 3.08 | -1.15 | -0.97 | -3.18 |
| 2001 | -0.20 | 3.61 | -4.54 | 1.95 | 0.11 | -0.02 | -2.92 | 2.58 | -1.42 | 0.65 | 5.23 | 5.82 |
| 2000 | 0.70 | 4.01 | 4.86 | -0.95 | 2.71 | 1.58 | -4.12 | -1.62 | -1.02 | 1.65 | -3.47 | -9.38 |
| 1999 | 1.60 | 3.01 | -3.44 | 0.55 | 0.81 | 0.08 | 3.08 | -0.32 | 0.08 | -1.25 | 4.83 | 1.72 |
| 1998 | 9.60 | 5.91 | 2.66 | 2.25 | 4.51 | -0.72 | -1.22 | 1.08 | 4.18 | 1.65 | 1.83 | 6.32 |
| 1997 | -0.90 | 4.41 | 0.66 | -3.45 | -5.19 | -1.12 | -1.02 | -2.12 | -1.72 | -0.35 | -3.77 | 1.52 |
| 1996 | -1.70 | -1.59 | -5.54 | -0.05 | -2.09 | 1.78 | -2.22 | -0.52 | -0.12 | -0.15 | -5.67 | 2.22 |
| 1995 | 2.10 | -5.49 | 1.96 | -3.35 | -1.29 | 1.38 | 1.28 | 3.78 | -1.32 | 3.15 | -5.77 | -4.78 |
| 1994 | -8.40 | -3.49 | -3.84 | 3.25 | -4.89 | 2.58 | 0.98 | -2.92 | -1.92 | -2.05 | 3.63 | 3.42 |
| 1993 | 4.50 | -3.79 | -4.04 | -0.45 | 1.61 | -0.22 | 1.98 | 1.28 | -1.02 | -2.25 | -1.07 | -2.18 |
| 1992 | 2.40 | 2.91 | -1.74 | 0.45 | -2.09 | -3.22 | 0.08 | -3.12 | -1.22 | -2.85 | -0.27 | -1.18 |
| 1991 | 1.50 | 4.51 | 3.16 | 2.95 | 7.61 | 2.88 | 2.78 | 2.58 | 0.38 | 2.15 | -0.67 | 3.02 |
| 1990 | 9.20 | 6.81 | 3.56 | 1.15 | -2.29 | 0.58 | -0.72 | -0.72 | -0.62 | 3.15 | 3.13 | 3.52 |
| 1989 | 5.90 | -0.29 | -0.64 | -2.75 | -2.19 | 1.08 | 0.68 | -0.52 | -0.22 | 1.05 | -2.27 | -12.98 |
| 1988 | -4.00 | -1.49 | -0.24 | -1.25 | 0.41 | -0.92 | 2.98 | 2.68 | -2.82 | -4.85 | 0.43 | -1.28 |
| 1987 | -0.90 | -0.39 | 1.86 | 0.05 | 1.61 | 2.58 | 2.38 | -0.42 | -0.32 | -4.75 | 1.33 | 1.92 |
| 1986 | 0.10 | -0.89 | 0.56 | 1.55 | 1.11 | -0.12 | 0.58 | -2.32 | 1.08 | 1.55 | -2.17 | 0.42 |
| 1985 | -4.80 | -1.19 | 1.46 | 3.75 | 1.41 | -2.92 | -1.02 | -0.52 | 1.58 | 1.75 | 4.53 | -4.48 |
| 1984 | -3.30 | 5.11 | -6.84 | -1.05 | -2.49 | 1.38 | -2.02 | 1.08 | -2.42 | 6.25 | -2.07 | 6.92 |
| 1983 | 2.00 | 1.51 | 1.06 | -2.75 | -3.59 | -0.42 | 1.28 | 2.68 | 0.18 | 0.95 | 1.03 | -5.08 |
| 1982 | -6.60 | -0.39 | -0.84 | -3.05 | 3.61 | -2.62 | 0.08 | -3.22 | -0.92 | 0.55 | 2.33 | 6.72 |
| 1981 | -4.50 | 3.01 | -2.34 | 3.45 | -0.09 | 0.48 | -1.32 | -1.12 | -0.22 | -2.55 | -0.67 | -2.28 |
| 1980 | 0.10 | -4.49 | -3.44 | -0.45 | 1.41 | -3.02 | 0.38 | 2.18 | 2.28 | -3.35 | -3.07 | -2.68 |
| 1979 | -3.70 | -11.09 | 2.96 | -0.55 | -0.89 | -1.42 | -1.72 | -0.12 | -0.02 | 0.15 | 3.63 | 2.82 |
| 1978 | -5.80 | -10.49 | -3.74 | -0.85 | -0.99 | -0.52 | -1.32 | 2.18 | 2.58 | -1.85 | 1.63 | 1.02 |
| 1977 | -12.30 | -0.89 | 5.56 | 3.15 | 4.51 | -2.12 | 1.58 | 0.08 | 2.08 | -2.05 | 1.93 | -3.38 |
| 1976 | -2.60 | 7.61 | 5.46 | 3.15 | -2.29 | 2.88 | -2.52 | -2.22 | -2.02 | -4.45 | -5.77 | -5.58 |
| 1975 | 4.80 | 0.91 | -2.74 | -5.05 | 3.81 | 0.58 | 0.38 | 2.38 | -2.92 | 4.25 | 5.73 | 0.72 |
| 1974 | 7.60 | 0.21 | 1.26 | 1.55 | -1.19 | -2.82 | -0.52 | 0.68 | -1.62 | -1.65 | 1.53 | 1.02 |
| 1973 | 4.60 | -1.19 | 7.16 | 0.05 | -3.69 | 2.18 | -0.52 | 1.58 | 1.88 | 3.25 | 2.13 | 0.92 |
| 1972 | 5.40 | -3.59 | -1.84 | -0.45 | 1.61 | -3.42 | 0.78 | -0.32 | 1.78 | -3.55 | -2.87 | 4.82 |
| 1971 | -2.60 | 0.81 | -2.94 | -0.75 | -1.49 | 3.48 | -1.12 | -2.22 | 4.28 | 6.45 | 0.03 | 6.32 |
| 1970 | -4.80 | -1.09 | -3.84 | 1.95 | 4.01 | 0.08 | 0.28 | 1.48 | 4.18 | 4.05 | 1.73 | 0.92 |
| 1969 | -0.90 | -0.29 | -3.34 | 3.15 | 2.61 | 2.08 | 0.78 | 0.38 | 0.38 | -0.85 | -1.47 | -4.88 |
| 1968 | -3.40 | -4.09 | 3.66 | 3.05 | -3.39 | -0.02 | 1.28 | 2.98 | 1.28 | 1.85 | 1.13 | -3.88 |
| 1967 | 7.10 | -3.69 | -0.34 | 2.85 | -5.49 | 2.48 | -1.02 | -1.02 | -2.52 | -0.75 | -3.57 | 1.82 |
| 1966 | -2.60 | 0.01 | 2.56 | -3.25 | -2.39 | 0.48 | 2.48 | 0.98 | -2.02 | -1.95 | 1.03 | -1.38 |
| 1965 | -0.50 | -0.09 | -3.84 | -1.25 | 4.81 | -0.62 | -0.72 | -0.02 | 3.28 | -1.25 | 0.83 | 5.02 |
| 1964 | 2.60 | -3.29 | 1.16 | -0.55 | 2.91 | 0.98 | 0.98 | -2.92 | -0.12 | -2.35 | 3.03 | 0.92 |
| 1963 | -2.30 | -7.39 | 2.46 | 1.25 | -1.39 | 0.18 | -0.42 | -2.32 | -1.92 | 5.85 | 3.03 | -7.28 |
| 1962 | 0.10 | -1.29 | -2.04 | 0.15 | 5.51 | 0.98 | -1.72 | -0.02 | -3.22 | 1.95 | -2.77 | -5.88 |
| 1961 | -3.60 | 2.11 | 1.46 | -5.05 | -3.59 | -0.72 | 0.18 | 1.38 | 5.58 | 2.15 | 0.93 | -1.18 |
| 1960 | 4.10 | 0.31 | -11.24 | 5.05 | -1.59 | -0.22 | -2.92 | 2.08 | 2.28 | -0.55 | 1.43 | -8.28 |
| 1959 | -1.00 | 1.01 | -1.74 | 2.65 | 4.71 | 1.48 | 1.28 | 4.28 | 3.78 | 2.85 | -2.97 | 2.92 |
| 1958 | -0.70 | -6.79 | -3.24 | 1.45 | -0.89 | -3.52 | 1.28 | -1.02 | 0.08 | -0.25 | 1.93 | -8.08 |
| 1957 | -1.60 | 4.71 | 0.06 | 2.45 | 1.31 | 2.68 | -0.82 | -1.52 | 1.48 | -2.55 | 0.33 | 3.22 |
| 1956 | 0.20 | 3.31 | -1.44 | -2.25 | -1.69 | 0.48 | -1.72 | -0.82 | -2.82 | 2.15 | -1.07 | 6.52 |
| 1955 | 0.00 | -0.09 | 2.06 | 4.35 | 3.31 | -3.02 | 4.88 | 4.48 | 0.48 | 1.75 | -4.07 | -4.28 |
| 1954 | 0.60 | 6.51 | -0.74 | 4.95 | -2.39 | 1.18 | -0.32 | -1.22 | 1.88 | 3.45 | -1.67 | -1.38 |
| 1953 | 6.20 | 4.21 | 1.36 | -1.35 | 4.21 | 1.68 | 0.88 | 0.38 | 0.48 | 3.65 | 1.23 | 3.62 |
| 1952 | 5.70 | 3.81 | -1.44 | 1.35 | -1.69 | 3.68 | 3.28 | 0.88 | -0.42 | -3.15 | 1.23 | 0.92 |
| 1951 | 3.50 | 1.91 | -0.04 | -0.85 | 0.81 | 0.58 | 0.18 | -0.32 | 0.38 | 3.35 | -5.87 | 0.02 |
| 1950 | 11.20 | 0.01 | -5.84 | -5.05 | 0.81 | -0.62 | -3.02 | -1.72 | -3.12 | 2.45 | -2.57 | -5.28 |
| 1949 | 8.20 | 5.81 | 0.56 | -0.85 | 0.71 | 2.58 | 3.48 | 1.08 | -3.82 | 5.15 | -0.97 | 0.62 |
| 1948 | -5.90 | -0.39 | 3.26 | 2.35 | -0.19 | 0.48 | 0.38 | 0.08 | 0.88 | -1.55 | 2.43 | 0.72 |
| 1947 | 7.30 | -6.29 | -6.54 | 1.35 | -0.09 | -0.32 | -1.92 | 4.68 | 1.48 | 6.85 | -3.87 | -2.08 |
| 1946 | 1.90 | 0.31 | 8.26 | -0.75 | 0.11 | -1.62 | -0.42 | -3.72 | 0.88 | 4.75 | 2.53 | 2.42 |
| 1945 | -5.80 | -0.29 | 10.46 | 3.25 | -2.49 | -0.32 | -0.22 | -0.22 | 2.88 | -0.25 | -0.37 | -6.18 |
| 1944 | 2.60 | 0.21 | -4.24 | -3.55 | 7.01 | 2.08 | 0.08 | 1.08 | 0.38 | -0.65 | -0.77 | -5.68 |
| 1943 | 1.30 | -0.29 | -1.64 | -6.65 | 2.01 | 5.78 | 0.38 | 0.28 | -2.42 | -2.15 | -4.37 | -3.48 |
| 1942 | 0.50 | -3.69 | 1.46 | 3.95 | 3.51 | 2.18 | 1.18 | -0.82 | 0.28 | 2.25 | -1.07 | -5.18 |
| 1941 | -0.90 | -5.19 | -6.94 | 5.35 | 0.81 | 0.58 | 0.78 | -2.22 | 2.18 | 4.35 | 1.23 | 2.82 |
| 1940 | -10.20 | -0.89 | -6.84 | -4.75 | -1.39 | -0.32 | -0.52 | -2.22 | -3.02 | -1.95 | -2.17 | 3.82 |
| 1939 | 3.50 | 3.51 | 0.76 | -3.15 | 3.11 | 2.18 | -1.12 | 2.78 | 2.68 | 2.35 | -2.37 | 2.12 |
| 1938 | 1.40 | 5.01 | 4.46 | 0.95 | -0.29 | -1.02 | 1.18 | 3.28 | -1.22 | 2.65 | 1.13 | -0.88 |
| 1937 | 8.70 | 0.41 | -3.34 | -2.45 | 1.01 | 2.48 | 0.88 | 3.98 | -1.42 | -2.05 | -1.87 | -2.98 |
| 1936 | -4.40 | -7.69 | 4.36 | -3.75 | 3.81 | 1.08 | 1.48 | 3.48 | 3.08 | 2.35 | -2.67 | 1.02 |
| 1935 | 1.10 | -0.29 | 5.76 | -2.05 | -2.59 | -0.02 | 3.58 | 1.28 | -0.42 | 1.15 | 2.13 | -5.88 |
| 1934 | 5.40 | -9.99 | -2.04 | 0.55 | 3.81 | 5.88 | 4.38 | -0.72 | 3.18 | 0.85 | 2.73 | -0.78 |
| 1933 | 9.80 | 1.81 | -2.04 | 1.95 | 3.41 | 4.08 | 1.28 | 1.18 | 3.88 | 0.25 | -3.57 | 1.32 |
| 1932 | 13.20 | 7.11 | -4.94 | -1.45 | 1.71 | 1.88 | 0.88 | 1.98 | 2.48 | 1.45 | -3.17 | 1.72 |
| 1931 | 4.40 | 2.81 | -3.04 | -0.95 | 1.01 | 1.88 | 4.68 | 1.38 | 6.48 | 4.15 | 8.13 | 6.92 |
| 1930 | 1.60 | 5.61 | -0.44 | -0.65 | 2.41 | 1.48 | 2.08 | 0.38 | 5.08 | -0.25 | -1.17 | -3.58 |
| 1929 | -0.10 | -2.39 | 5.26 | 2.65 | -0.39 | 0.18 | 0.38 | -2.22 | 2.38 | -1.15 | -1.47 | 0.42 |
| 1928 | 2.30 | 0.81 | -0.64 | -3.25 | -0.79 | -1.52 | 1.38 | 3.28 | -3.32 | 3.65 | 1.53 | 1.52 |
| 1927 | 0.60 | 5.61 | 4.36 | -1.65 | -0.09 | -3.32 | 0.38 | -4.82 | 1.58 | 4.25 | 4.13 | 0.22 |
| 1926 | 0.10 | 0.21 | -4.84 | -3.85 | 0.41 | -2.72 | 0.68 | 2.08 | 1.68 | 0.65 | -2.37 | -4.38 |
| 1925 | -1.40 | 6.11 | 2.06 | 2.65 | -3.69 | 4.88 | -0.32 | -0.52 | 4.98 | -5.65 | -3.37 | -1.78 |
| 1924 | 0.60 | -2.29 | -2.14 | -2.65 | -4.09 | -1.12 | -1.62 | 0.18 | -3.92 | 1.55 | -2.07 | -2.38 |
| 1923 | 3.20 | -3.99 | 0.26 | -0.65 | -0.49 | 4.18 | -0.02 | -0.62 | 1.98 | -0.65 | -1.87 | 8.12 |
| 1922 | -2.30 | 3.41 | 1.86 | 1.25 | 3.51 | 2.48 | 0.68 | -1.02 | 2.98 | 3.75 | 1.03 | 0.02 |
| 1921 | 3.60 | 3.31 | 10.76 | 5.75 | 0.81 | 3.68 | 3.78 | -1.92 | 5.78 | 1.15 | 0.33 | 0.22 |
| 1920 | -5.20 | -3.59 | 0.66 | -3.45 | -2.29 | -0.02 | -1.72 | -0.02 | 1.18 | 6.05 | -1.87 | 0.32 |
| 1919 | 4.40 | 1.61 | 3.26 | -0.45 | 0.41 | 3.38 | 1.18 | -1.72 | 1.08 | 5.95 | -0.87 | -8.08 |
| 1918 | -11.90 | -0.59 | 3.96 | -1.65 | 6.41 | -0.62 | -1.82 | 3.78 | -3.72 | 4.55 | -0.17 | 4.62 |
| 1917 | 0.30 | -3.69 | -0.94 | -0.05 | -4.89 | -0.02 | 0.38 | 1.08 | -4.52 | -4.85 | -4.17 | -11.28 |
| 1916 | 6.70 | -3.19 | -6.84 | -1.15 | 2.51 | -3.22 | 2.38 | 1.78 | -1.32 | -0.05 | -0.57 | -2.78 |
| 1915 | 0.00 | 2.91 | -6.34 | 4.55 | -2.19 | -1.62 | -0.52 | -1.82 | 2.88 | 2.35 | -0.87 | -3.78 |
| 1914 | 4.00 | -7.29 | -4.24 | -1.35 | 2.61 | 2.18 | 0.28 | 1.58 | -2.32 | 4.85 | -1.87 | -6.08 |
| 1913 | 9.00 | -1.59 | 4.56 | 0.85 | -0.09 | 1.48 | 0.58 | 0.38 | -1.02 | 3.05 | 1.43 | 1.72 |
| 1912 | -9.10 | -6.19 | -3.84 | 2.25 | 2.31 | -1.12 | -0.42 | -2.62 | 2.68 | 2.25 | 0.63 | 1.62 |
| 1911 | 4.70 | 2.11 | -3.44 | -3.25 | 6.21 | 1.68 | 2.38 | 1.48 | 2.98 | 0.65 | -4.87 | 3.72 |
| 1910 | -0.40 | -2.79 | 7.06 | 3.05 | -2.59 | -1.82 | 1.38 | -0.22 | 3.68 | 4.05 | -6.07 | -8.68 |
| 1909 | 3.00 | 6.51 | -2.94 | -0.55 | 0.31 | 1.88 | -1.42 | -0.72 | -0.22 | -3.55 | 4.73 | -5.98 |
| 1908 | 0.30 | -5.19 | 2.86 | 1.35 | 2.21 | 1.38 | 2.48 | -0.62 | 1.18 | 2.55 | -1.37 | -0.58 |
| 1907 | 3.10 | -5.79 | 4.36 | -5.65 | -3.79 | -4.32 | 0.08 | -2.02 | 1.88 | -3.45 | -3.27 | -0.68 |
| 1906 | 7.30 | -1.89 | -6.04 | 1.35 | 1.31 | 1.98 | -0.22 | 3.18 | 3.68 | -0.35 | -0.27 | -1.58 |
| 1905 | -3.50 | -8.99 | 2.16 | -0.35 | 2.41 | 1.18 | 1.18 | 0.08 | 0.78 | 1.65 | -3.27 | 0.22 |
| 1904 | -7.50 | -7.79 | -1.64 | -4.45 | 2.31 | 0.58 | -0.72 | -1.92 | 1.48 | -0.75 | -2.87 | -6.48 |
| 1903 | -1.50 | 0.31 | 8.16 | -0.25 | 3.01 | -3.42 | 0.38 | -2.42 | -0.62 | 1.85 | -5.37 | -6.98 |
| 1902 | -2.50 | -7.09 | 2.26 | -1.65 | 1.71 | -0.32 | 0.98 | -2.12 | -0.62 | 1.45 | 5.03 | -4.48 |
| 1901 | 1.20 | -8.09 | -0.34 | -2.95 | 0.11 | 1.58 | 4.88 | 2.08 | 0.08 | 0.35 | -6.57 | -4.48 |
| 1900 | 1.30 | -3.59 | -6.94 | -0.25 | 1.81 | 2.48 | 2.88 | 5.58 | 6.48 | 6.75 | 0.93 | -1.78 |
| 1899 | -1.10 | -8.09 | -1.54 | 1.25 | 2.51 | 2.58 | 0.78 | 1.08 | -1.42 | 2.55 | -0.77 | -1.88 |