| Division 9 Mean Temperature and Departures from Normal | ||||||||||||
| Year | January | February | March | April | May | June | July | August | September | October | November | December |
| MEAN (1971-2000) | 26.75 | 29.39 | 38.28 | 48.24 | 58.26 | 66.61 | 70.71 | 69.30 | 62.49 | 51.08 | 41.30 | 31.69 |
| DEPARTURES | ||||||||||||
| 2004 | -5.05 | -0.59 | 2.82 | 0.96 | 6.04 | -0.71 | -0.61 | -1.40 | 2.41 | 1.55* | 3.43* | 1.08* |
| 2003 | -5.45 | -4.39 | 1.72 | 2.86 | -0.36 | -2.11 | -0.61 | 2.00 | -0.09 | -1.68 | 4.80 | -0.29 |
| 2002 | 6.85 | 4.11 | 0.72 | 2.86 | -2.26 | 2.29 | 2.89 | 3.30 | 3.91 | -0.18 | -1.80 | -3.19 |
| 2001 | 0.55 | 4.81 | -3.88 | 4.26 | 1.24 | 0.39 | -2.11 | 2.70 | -1.29 | 1.02 | 5.50 | 6.21 |
| 2000 | 0.85 | 5.41 | 5.32 | 0.76 | 3.54 | 2.59 | -2.51 | -1.10 | -0.19 | 3.12 | -2.70 | -8.59 |
| 1999 | 2.95 | 4.41 | -4.18 | 3.06 | 2.84 | 2.39 | 4.79 | 0.10 | 1.61 | 0.42 | 5.20 | 1.91 |
| 1998 | 9.55 | 8.21 | 3.22 | 2.16 | 5.64 | 0.49 | 0.09 | 2.70 | 3.91 | 2.02 | 1.80 | 5.51 |
| 1997 | 0.85 | 5.31 | 2.02 | -3.24 | -4.76 | 0.89 | 0.59 | -0.90 | -0.69 | 0.92 | -2.40 | 2.01 |
| 1996 | -0.15 | -0.89 | -5.38 | 0.16 | -0.26 | 3.09 | -1.21 | 0.60 | 1.01 | 1.12 | -5.40 | 4.91 |
| 1995 | 3.05 | -4.19 | 2.62 | -1.74 | -0.26 | 2.69 | 2.29 | 5.50 | -0.69 | 3.52 | -4.70 | -4.79 |
| 1994 | -6.65 | -1.39 | -2.38 | 2.96 | -4.36 | 3.39 | 1.49 | -1.70 | -1.39 | -0.78 | 4.40 | 4.51 |
| 1993 | 6.35 | -3.09 | -2.68 | 0.16 | 0.94 | 0.09 | 2.19 | 2.40 | -0.09 | -0.68 | 0.40 | -0.79 |
| 1992 | 2.35 | 3.51 | -1.98 | 1.06 | -1.66 | -3.21 | 0.29 | -2.80 | -0.09 | -2.58 | 1.00 | 0.21 |
| 1991 | 1.85 | 3.91 | 2.32 | 3.06 | 7.14 | 2.39 | 2.29 | 1.70 | 0.21 | 2.02 | -2.00 | 3.01 |
| 1990 | 8.85 | 6.71 | 2.92 | 0.96 | -2.46 | -0.21 | -0.81 | -0.70 | -0.29 | 2.42 | 2.90 | 4.91 |
| 1989 | 7.25 | -1.49 | 1.32 | -3.34 | -2.86 | 0.39 | 0.89 | -0.80 | -0.39 | 0.42 | -2.00 | -13.99 |
| 1988 | -2.35 | -1.09 | -0.38 | -0.84 | 0.44 | -1.21 | 2.79 | 2.90 | -1.89 | -6.28 | 1.20 | -1.09 |
| 1987 | -0.25 | 0.21 | 1.92 | 0.26 | 2.34 | 2.19 | 2.69 | 0.20 | 0.21 | -5.38 | 2.70 | 2.41 |
| 1986 | -0.05 | 0.91 | 0.12 | 2.86 | 1.54 | -0.41 | 0.49 | -2.60 | 1.71 | 1.52 | -1.80 | 0.31 |
| 1985 | -5.65 | -3.49 | 1.42 | 4.36 | 0.74 | -3.61 | -1.91 | -1.30 | 0.61 | 1.92 | 5.30 | -5.79 |
| 1984 | -5.05 | 5.21 | -7.98 | -1.34 | -4.16 | 0.59 | -3.81 | -0.40 | -3.39 | 5.32 | -2.90 | 6.21 |
| 1983 | 2.05 | 1.81 | 1.12 | -2.74 | -3.56 | -0.31 | -0.01 | 1.90 | -0.09 | 0.82 | 0.50 | -6.79 |
| 1982 | -6.15 | -0.99 | -0.48 | -4.04 | 4.14 | -3.61 | -0.31 | -4.10 | -1.49 | 1.22 | 2.80 | 6.81 |
| 1981 | -6.45 | 1.11 | -4.38 | 2.36 | -1.46 | -0.31 | -1.01 | -2.20 | -1.89 | -2.98 | -2.20 | -2.99 |
| 1980 | 0.05 | -6.09 | -3.88 | -1.34 | 0.14 | -3.71 | -0.31 | 2.30 | 1.81 | -3.78 | -3.40 | -3.39 |
| 1979 | -4.45 | -11.89 | 2.82 | -0.54 | -1.46 | -1.71 | -2.11 | -1.10 | -0.39 | -1.38 | 2.10 | 1.81 |
| 1978 | -6.85 | -12.29 | -4.88 | -0.64 | -1.46 | -0.91 | -1.41 | 1.30 | 2.31 | -2.38 | 1.60 | 0.71 |
| 1977 | -14.45 | -3.19 | 4.52 | 2.36 | 4.14 | -3.11 | 1.39 | -0.10 | 2.11 | -1.78 | 2.60 | -2.69 |
| 1976 | -3.15 | 6.71 | 6.42 | 1.26 | -3.26 | 1.79 | -3.51 | -3.50 | -3.39 | -5.28 | -8.00 | -7.39 |
| 1975 | 4.95 | 1.91 | -2.48 | -5.24 | 3.84 | 0.69 | -0.11 | 2.20 | -3.69 | 2.42 | 4.10 | 0.81 |
| 1974 | 7.15 | -0.09 | 2.02 | 1.26 | -0.86 | -2.51 | -0.91 | 0.10 | -3.19 | -2.68 | 1.10 | 0.01 |
| 1973 | 2.95 | -1.39 | 8.22 | 0.36 | -3.06 | 2.59 | 0.29 | 1.90 | 1.91 | 3.52 | 1.60 | 0.91 |
| 1972 | 3.25 | -4.09 | -2.58 | -1.24 | 1.74 | -4.31 | -0.61 | -0.60 | 1.61 | -3.58 | -2.70 | 4.61 |
| 1971 | -2.65 | 0.31 | -4.78 | -3.24 | -3.36 | 2.89 | -1.91 | -2.00 | 4.11 | 6.82 | -1.20 | 6.61 |
| 1970 | -6.65 | -2.19 | -4.18 | 2.26 | 4.24 | 0.39 | -0.11 | 0.90 | 4.11 | 3.52 | 1.70 | 1.01 |
| 1969 | -0.55 | -0.19 | -4.68 | 2.76 | 1.24 | 0.99 | 0.69 | -0.40 | -0.29 | 0.32 | -2.40 | -5.79 |
| 1968 | -4.15 | -6.59 | 2.02 | 2.86 | -4.26 | -0.21 | 0.99 | 1.80 | 1.11 | 1.52 | 0.60 | -3.79 |
| 1967 | 5.55 | -4.19 | 0.72 | 2.26 | -5.46 | 3.59 | -1.41 | -1.90 | -3.39 | 0.02 | -4.90 | 2.01 |
| 1966 | -3.85 | -0.49 | 1.72 | -2.04 | -3.36 | 0.49 | 1.89 | -0.20 | -3.09 | -2.08 | 0.90 | -1.09 |
| 1965 | -0.25 | -0.79 | -4.58 | -0.94 | 5.54 | -0.71 | -1.71 | -0.50 | 3.01 | -1.78 | 0.70 | 4.51 |
| 1964 | 2.25 | -3.79 | 0.62 | 1.86 | 2.54 | 0.59 | 1.09 | -2.70 | -0.09 | -2.58 | 3.00 | 1.91 |
| 1963 | -4.55 | -8.99 | 2.22 | 0.26 | -1.66 | -0.11 | -1.01 | -3.10 | -2.69 | 5.32 | 2.20 | -9.29 |
| 1962 | -1.05 | 0.21 | -2.08 | -1.04 | 5.74 | 1.59 | -1.61 | 0.00 | -3.49 | 1.62 | -1.70 | -6.49 |
| 1961 | -4.55 | 2.91 | 2.42 | -5.14 | -4.36 | -1.61 | -0.41 | 1.00 | 5.11 | 2.92 | 0.70 | -0.79 |
| 1960 | 4.45 | -0.49 | -12.88 | 4.86 | -0.96 | -0.21 | -2.51 | 1.80 | 2.91 | 0.42 | 0.80 | -8.39 |
| 1959 | -1.75 | 1.61 | -1.88 | 1.96 | 4.74 | 0.79 | 1.39 | 4.40 | 3.81 | 2.22 | -2.20 | 2.51 |
| 1958 | -0.35 | -7.69 | -3.48 | 1.46 | -1.36 | -3.51 | 1.19 | -1.10 | -0.39 | 0.22 | 2.20 | -9.19 |
| 1957 | -2.25 | 5.31 | 0.12 | 3.26 | 1.94 | 3.19 | -0.21 | -0.90 | 1.31 | -2.78 | 0.30 | 2.71 |
| 1956 | -0.25 | 3.81 | -1.88 | -2.14 | -0.96 | 0.39 | -0.91 | -0.50 | -2.79 | 4.12 | 0.10 | 7.11 |
| 1955 | -0.75 | 1.11 | 1.62 | 6.16 | 2.54 | -3.31 | 4.59 | 4.00 | 1.91 | 1.72 | -3.30 | -3.69 |
| 1954 | 2.45 | 6.21 | -1.98 | 6.16 | -2.96 | 1.59 | -0.61 | -0.70 | 2.01 | 3.32 | -1.20 | -1.89 |
| 1953 | 7.65 | 4.21 | 1.72 | -1.74 | 4.44 | 2.69 | 0.99 | 0.60 | 0.41 | 2.32 | 0.60 | 2.51 |
| 1952 | 6.75 | 3.91 | -1.38 | 1.36 | -1.36 | 3.59 | 3.09 | 0.30 | 0.01 | -3.78 | 1.70 | 1.81 |
| 1951 | 4.45 | 2.61 | -0.28 | -1.04 | 1.34 | 1.39 | 0.29 | -0.60 | -0.59 | 3.62 | -6.30 | 0.51 |
| 1950 | 13.25 | 1.41 | -4.68 | -4.14 | 1.04 | -0.91 | -2.61 | -1.50 | -2.39 | 3.62 | -4.30 | -6.19 |
| 1949 | 9.85 | 6.91 | -0.58 | -1.44 | 1.24 | 3.39 | 3.89 | 1.10 | -3.89 | 5.62 | -1.30 | 2.61 |
| 1948 | -6.65 | 1.31 | 3.72 | 4.56 | -0.76 | 0.29 | 0.29 | -0.60 | 0.71 | -2.38 | 3.50 | 1.11 |
| 1947 | 7.95 | -8.49 | -8.18 | 1.66 | -1.66 | -0.61 | -2.71 | 4.80 | 1.51 | 7.32 | -3.50 | -1.89 |
| 1946 | 3.45 | 1.21 | 9.82 | -1.24 | -0.16 | -0.31 | -0.41 | -4.30 | 1.51 | 4.32 | 2.90 | 2.71 |
| 1945 | -5.15 | 1.41 | 10.32 | 4.46 | -3.16 | -0.21 | 0.59 | 0.00 | 3.61 | -0.48 | 0.30 | -6.69 |
| 1944 | 4.45 | 1.61 | -2.78 | -1.94 | 7.74 | 3.59 | 0.49 | 1.20 | 0.51 | 0.32 | 0.30 | -5.19 |
| 1943 | 3.35 | 1.31 | -0.78 | -5.04 | 2.24 | 6.69 | 1.19 | 0.50 | -1.69 | -1.68 | -3.40 | -3.49 |
| 1942 | 1.45 | -4.29 | 2.02 | 4.46 | 3.84 | 2.99 | 1.39 | 0.10 | 0.81 | 3.32 | 0.70 | -3.99 |
| 1941 | 1.65 | -3.89 | -7.68 | 5.76 | 1.34 | 1.89 | 2.19 | -1.10 | 3.41 | 5.92 | 1.90 | 5.21 |
| 1940 | -9.85 | -0.39 | -5.48 | -3.04 | -0.16 | 1.79 | 0.59 | 0.30 | -1.99 | 0.12 | -0.70 | 6.41 |
| 1939 | 5.15 | 4.41 | 1.32 | -2.54 | 3.44 | 3.19 | -0.71 | 2.30 | 4.41 | 3.32 | -2.20 | 2.51 |
| 1938 | 2.45 | 6.81 | 6.02 | 2.66 | 0.34 | -0.91 | 1.99 | 3.30 | -0.09 | 2.22 | 1.10 | 0.11 |
| 1937 | 10.95 | 1.31 | -4.88 | -1.54 | 0.64 | 1.89 | 0.29 | 3.60 | -1.69 | -0.78 | -2.40 | -3.19 |
| 1936 | -4.15 | -7.49 | 3.02 | -4.14 | 3.34 | 1.39 | 1.99 | 4.00 | 4.41 | 2.72 | -3.60 | 2.91 |
| 1935 | 2.35 | 0.21 | 5.92 | -2.44 | -3.06 | -0.21 | 3.39 | 1.30 | -0.49 | 1.42 | 1.60 | -7.09 |
| 1934 | 5.35 | -11.49 | -4.08 | 0.06 | 3.44 | 6.69 | 4.69 | -0.70 | 3.71 | 1.22 | 3.10 | -1.49 |
| 1933 | 10.25 | 1.51 | -2.68 | 1.36 | 3.74 | 3.59 | 1.29 | 0.90 | 4.51 | 0.72 | -3.40 | 2.21 |
| 1932 | 13.55 | 6.91 | -6.18 | -1.74 | 1.34 | 2.19 | 0.89 | 1.20 | 2.61 | 2.62 | -2.30 | 1.81 |
| 1931 | 3.75 | 2.71 | -4.48 | -0.94 | 0.34 | 0.99 | 3.89 | 0.70 | 5.51 | 3.82 | 7.60 | 7.11 |
| 1930 | 2.55 | 6.81 | -1.28 | 0.96 | 2.34 | 1.29 | 2.29 | 0.50 | 4.81 | -1.38 | 0.30 | -2.09 |
| 1929 | -0.05 | -3.39 | 5.32 | 2.96 | -0.56 | 0.09 | 0.69 | -2.60 | 2.61 | -0.38 | -1.50 | 0.91 |
| 1928 | 1.95 | 0.71 | -1.18 | -3.44 | -1.16 | -1.91 | 1.49 | 3.20 | -2.69 | 4.12 | 1.20 | 1.61 |
| 1927 | 1.05 | 6.61 | 3.82 | -0.24 | 0.24 | -3.41 | 0.69 | -4.50 | 2.81 | 4.32 | 4.50 | 0.51 |
| 1926 | -0.05 | 0.31 | -6.08 | -5.14 | 0.34 | -2.91 | 0.79 | 2.50 | 2.71 | 1.22 | -1.40 | -2.89 |
| 1925 | -0.45 | 6.31 | 1.82 | 3.06 | -4.36 | 4.49 | -0.21 | -0.20 | 5.91 | -5.18 | -2.30 | -2.19 |
| 1924 | -0.55 | -2.49 | -3.38 | -1.84 | -5.26 | -0.81 | -1.61 | 0.20 | -3.39 | 1.92 | -0.60 | -2.29 |
| 1923 | 3.95 | -4.79 | -0.98 | -1.44 | -0.86 | 3.39 | 0.29 | -0.70 | 1.91 | -1.08 | -1.10 | 8.01 |
| 1922 | -1.35 | 4.11 | 2.32 | 1.76 | 3.64 | 2.39 | 0.99 | -1.40 | 3.81 | 3.02 | 1.00 | 0.71 |
| 1921 | 5.05 | 3.61 | 10.32 | 5.26 | 1.14 | 4.39 | 4.19 | -1.40 | 6.51 | 1.22 | 1.30 | 1.01 |
| 1920 | -5.15 | -3.79 | 0.62 | -3.64 | -1.96 | -0.21 | -1.81 | -0.30 | 2.01 | 5.62 | -1.80 | 1.51 |
| 1919 | 4.75 | 2.11 | 2.42 | -0.44 | 0.24 | 5.09 | 1.69 | -1.40 | 1.81 | 7.22 | -0.40 | -5.99 |
| 1918 | -11.55 | 0.01 | 4.32 | -1.34 | 6.64 | -0.41 | -1.61 | 4.30 | -4.89 | 4.02 | 0.00 | 6.01 |
| 1917 | 0.95 | -4.29 | -0.58 | -0.54 | -5.56 | -0.71 | 0.39 | 0.30 | -3.29 | -4.78 | -4.20 | -10.49 |
| 1916 | 8.35 | -3.79 | -5.88 | -0.84 | 2.64 | -3.41 | 3.09 | 2.10 | -0.69 | 0.52 | -0.30 | -2.89 |
| 1915 | 0.45 | 4.71 | -7.18 | 4.46 | -1.96 | -1.41 | -0.51 | -2.50 | 3.71 | 3.12 | 1.70 | -1.99 |
| 1914 | 4.75 | -7.59 | -4.58 | -1.04 | 2.14 | 2.59 | 0.89 | 1.10 | -1.19 | 4.82 | -0.70 | -4.59 |
| 1913 | 9.95 | -2.49 | 3.12 | 0.66 | -0.16 | 1.39 | 0.59 | 1.00 | -0.29 | 2.32 | 1.80 | 1.61 |
| 1912 | -8.45 | -7.19 | -4.48 | 2.06 | 2.44 | -1.61 | -0.31 | -2.70 | 3.61 | 2.62 | 0.40 | 2.31 |
| 1911 | 5.85 | 3.71 | -2.98 | -2.64 | 6.44 | 1.89 | 1.99 | 1.80 | 3.11 | 1.62 | -3.90 | 4.61 |
| 1910 | 0.65 | -3.39 | 7.62 | 2.26 | -3.16 | -1.91 | 1.29 | 0.00 | 3.01 | 4.42 | -5.60 | -6.49 |
| 1909 | 5.85 | 6.51 | -2.38 | -0.64 | -0.06 | 2.19 | -1.41 | -0.20 | -0.29 | -3.28 | 5.90 | -5.69 |
| 1908 | 0.95 | -3.89 | 4.22 | 0.96 | 2.54 | 1.59 | 2.39 | -0.50 | 3.31 | 2.52 | -0.20 | 0.91 |
| 1907 | 5.55 | -5.09 | 6.02 | -6.34 | -3.46 | -3.51 | 0.19 | -2.20 | 1.91 | -3.48 | -2.00 | 2.11 |
| 1906 | 8.55 | -2.09 | -6.68 | 1.36 | 1.44 | 2.29 | 0.09 | 3.40 | 4.91 | 0.62 | -0.20 | 0.21 |
| 1905 | -4.45 | -9.49 | 2.52 | -0.74 | 2.44 | 1.49 | 1.19 | -0.20 | 1.31 | 1.12 | -2.60 | 1.31 |
| 1904 | -5.65 | -7.09 | -0.58 | -4.94 | 1.94 | 0.99 | -0.51 | -2.20 | 1.61 | -0.18 | -2.30 | -4.59 |
| 1903 | 0.25 | 0.71 | 8.82 | -0.64 | 3.44 | -3.51 | 0.19 | -1.50 | 0.71 | 1.42 | -5.30 | -7.89 |
| 1902 | -0.75 | -7.19 | 1.92 | -1.84 | 2.44 | -1.01 | 1.29 | -2.10 | 0.01 | 1.62 | 6.00 | -2.59 |
| 1901 | 2.75 | -8.49 | -0.28 | -2.74 | 0.54 | 2.29 | 5.19 | 2.00 | 0.61 | 0.82 | -5.20 | -3.09 |
| 1900 | 3.35 | -3.49 | -6.48 | -0.14 | 1.94 | 3.09 | 2.69 | 5.00 | 5.91 | 7.42 | 0.90 | -1.69 |
| 1899 | 0.55 | -8.19 | -1.28 | 2.36 | 3.14 | 2.89 | 0.69 | 1.80 | -0.79 | 3.62 | 0.50 | -1.39 |