| Division 5 Mean Temperature and Departures from Normal | ||||||||||||
| Year | January | February | March | April | May | June | July | August | September | October | November | December |
| MEAN (1971-2000) | 26.56 | 29.41 | 38.28 | 49.13 | 59.53 | 67.68 | 72.22 | 70.39 | 62.79 | 51.30 | 41.36 | 31.81 |
| DEPARTURES | ||||||||||||
| 2004 | -5.36 | -1.81 | 1.92 | 0.97 | 5.77 | -1.18 | -1.32 | -0.19 | 3.11 | 0.43 | 2.76 | -0.28 |
| 2003 | -4.16 | -3.91 | -1.38 | -0.23 | -1.73 | -1.88 | -0.62 | 2.61 | 0.61 | -1.50 | 4.04 | 0.09 |
| 2002 | 7.34 | 6.19 | 0.92 | 2.67 | -2.43 | 1.92 | 2.18 | 4.01 | 3.91 | -0.90 | -0.96 | -3.31 |
| 2001 | 1.24 | 3.29 | -3.38 | 0.37 | 0.77 | 1.62 | -2.52 | 3.51 | -0.69 | 1.60 | 4.74 | 5.19 |
| 2000 | -0.06 | 2.49 | 5.72 | 0.57 | 2.57 | 1.52 | -3.02 | -0.39 | -0.49 | 2.40 | -1.16 | -7.61 |
| 1999 | 1.04 | 3.49 | -1.48 | 1.27 | 1.67 | 2.02 | 4.38 | 0.31 | 1.81 | -1.60 | 4.24 | 1.49 |
| 1998 | 8.84 | 7.49 | 3.02 | 2.37 | 4.87 | 0.12 | -0.72 | 1.71 | 3.81 | 2.00 | 1.44 | 5.49 |
| 1997 | -0.66 | 5.09 | 0.82 | -1.63 | -4.13 | 0.42 | 0.08 | -1.39 | -0.09 | 0.90 | -2.96 | 18.09 |
| 1996 | -2.26 | -0.61 | -4.88 | 0.37 | -2.33 | 2.42 | -1.42 | 0.61 | 1.11 | 0.90 | -4.16 | 2.99 |
| 1995 | 5.44 | -3.01 | 3.72 | -1.73 | -0.83 | 1.42 | 2.68 | 5.11 | 0.31 | 4.60 | -4.76 | -5.21 |
| 1994 | -8.06 | -4.61 | -3.18 | 3.47 | 3.07 | 3.32 | 1.78 | -1.79 | 0.21 | 0.00 | 4.64 | 3.99 |
| 1993 | 5.24 | -4.41 | -4.28 | 0.27 | 2.07 | 0.32 | 2.88 | 1.91 | -0.29 | -1.40 | -0.86 | -4.91 |
| 1992 | 2.94 | 2.69 | -2.28 | -1.03 | -2.13 | -2.38 | -1.72 | -2.89 | 0.11 | -2.60 | 0.24 | -0.01 |
| 1991 | 1.54 | 4.49 | 2.72 | 1.57 | 6.17 | 3.12 | 2.58 | 2.61 | -0.79 | 1.60 | -0.26 | 2.09 |
| 1990 | 9.44 | 5.49 | 3.32 | 1.47 | -2.53 | 0.62 | -0.22 | -0.19 | -0.69 | 4.20 | 3.44 | 3.39 |
| 1989 | 5.04 | 0.19 | -0.88 | -2.13 | -2.43 | 0.52 | -0.32 | -0.99 | 0.11 | 1.40 | -1.46 | -12.11 |
| 1988 | -4.16 | -0.21 | 1.32 | -1.23 | 0.57 | -0.28 | 4.18 | 3.41 | -2.19 | -4.00 | 0.74 | -1.21 |
| 1987 | -0.36 | -0.91 | 2.92 | 2.37 | 1.27 | 2.32 | 2.88 | -0.49 | -0.09 | -3.70 | 0.64 | 2.49 |
| 1986 | 1.34 | -1.91 | 1.82 | 1.87 | 3.57 | 0.52 | 0.78 | -1.99 | 0.31 | 1.60 | -3.36 | 1.59 |
| 1985 | -2.26 | 0.89 | 2.32 | 4.07 | 1.57 | -3.18 | -1.12 | -0.59 | 2.21 | 1.60 | 4.04 | -4.11 |
| 1984 | -4.46 | 5.19 | -7.88 | -1.73 | -4.03 | 0.02 | -2.92 | 0.21 | -2.79 | 4.90 | -1.56 | 5.39 |
| 1983 | 2.24 | 1.79 | 2.22 | -2.33 | -3.53 | -0.68 | 0.28 | 1.21 | 0.01 | -0.70 | 0.14 | -5.11 |
| 1982 | -7.66 | -1.21 | -3.28 | -3.73 | 2.47 | -3.68 | -1.42 | -5.09 | -1.29 | -0.80 | 2.54 | 4.79 |
| 1981 | -5.56 | 3.09 | -2.18 | 2.27 | -0.63 | 0.22 | -0.72 | -1.49 | -1.49 | -3.50 | -0.46 | -2.41 |
| 1980 | 1.24 | -3.61 | -2.88 | 0.77 | 0.87 | -3.18 | 0.68 | 3.11 | 2.61 | -2.30 | -3.86 | -5.31 |
| 1979 | -0.96 | -10.21 | 2.72 | -1.33 | -0.13 | -2.08 | -1.32 | -0.79 | -1.09 | -0.70 | 2.94 | 2.49 |
| 1978 | -3.66 | -9.31 | -4.48 | -1.53 | -1.13 | -0.48 | -1.92 | 2.01 | 0.01 | -1.70 | 0.64 | -0.41 |
| 1977 | -11.66 | -0.91 | 4.92 | 3.07 | 2.47 | -2.68 | 0.48 | -0.19 | 1.91 | -1.90 | 2.34 | -4.81 |
| 1976 | -4.36 | 5.49 | 3.02 | 2.77 | -3.33 | 2.22 | -3.42 | -1.99 | -2.49 | -4.50 | -6.56 | -7.81 |
| 1975 | 3.84 | 0.69 | -2.48 | -5.93 | 2.77 | -0.08 | 0.28 | -0.09 | -3.59 | 3.10 | 4.94 | -1.11 |
| 1974 | 4.44 | -1.31 | -0.18 | 0.67 | -2.33 | -2.58 | -1.82 | -0.39 | -1.89 | -3.40 | 0.94 | 1.29 |
| 1973 | 3.74 | -1.61 | 5.82 | 0.77 | -4.23 | 2.02 | 0.28 | 1.31 | 0.41 | 1.90 | 1.74 | 0.59 |
| 1972 | 3.44 | -4.61 | -3.18 | -3.53 | 0.67 | -3.88 | -0.42 | -1.19 | 0.71 | -4.20 | -3.16 | 2.79 |
| 1971 | -3.66 | -0.21 | -2.88 | -2.23 | -3.03 | 1.92 | -1.62 | -1.49 | 3.61 | 6.00 | -1.06 | 3.29 |
| 1970 | -7.96 | -2.51 | -5.28 | -0.33 | 1.87 | -1.48 | -0.12 | 0.91 | 3.11 | 3.50 | 2.44 | 0.19 |
| 1969 | -0.26 | -0.61 | -2.68 | 0.87 | 0.07 | 0.82 | -0.72 | -0.39 | 0.21 | -1.20 | -1.16 | -4.01 |
| 1968 | -5.36 | -3.41 | 1.52 | 1.97 | -4.83 | -1.78 | 0.18 | 0.91 | 1.11 | 1.80 | 0.34 | -3.31 |
| 1967 | 6.24 | -5.31 | -3.38 | -0.23 | -8.13 | 2.32 | -1.82 | -2.09 | -2.19 | -1.50 | -4.16 | 0.59 |
| 1966 | -1.06 | -1.31 | 0.72 | -4.03 | -4.43 | 0.32 | 1.28 | 0.61 | -2.99 | -2.90 | 0.24 | -1.51 |
| 1965 | -2.36 | -2.01 | -3.78 | -4.13 | 2.47 | -1.98 | -2.72 | -1.29 | 1.51 | -2.40 | -0.26 | 2.29 |
| 1964 | 0.64 | -3.71 | 0.32 | -2.73 | 1.17 | -0.68 | 1.38 | -3.59 | -0.19 | -2.70 | 2.44 | -0.21 |
| 1963 | -3.76 | -9.71 | 0.12 | -0.33 | -3.43 | -0.58 | -1.02 | -3.39 | -4.39 | 3.70 | 3.24 | -7.11 |
| 1962 | -0.16 | -2.41 | -1.68 | -0.33 | 2.77 | 0.52 | -2.72 | -1.19 | -4.39 | 0.50 | -3.36 | -6.81 |
| 1961 | -5.26 | 0.79 | 0.12 | -4.33 | -3.53 | -0.38 | -0.22 | 0.11 | 6.11 | 2.30 | 1.54 | -1.81 |
| 1960 | 5.44 | 3.19 | -10.58 | 4.47 | -2.63 | -0.78 | -3.02 | 1.21 | 1.71 | -0.40 | 0.94 | -10.31 |
| 1959 | 0.74 | 0.29 | -1.18 | 2.17 | 3.97 | 2.22 | 1.88 | 3.91 | 4.61 | 4.20 | -1.16 | 1.59 |
| 1958 | 1.74 | -4.71 | -0.88 | 2.27 | -1.93 | -3.68 | 1.68 | -0.29 | 0.41 | 0.00 | 1.94 | -8.11 |
| 1957 | -0.66 | 4.89 | 0.62 | 2.97 | 0.57 | 3.82 | 0.18 | -1.19 | 2.31 | -1.20 | 1.64 | 3.89 |
| 1956 | 3.14 | 3.79 | -2.38 | -1.83 | -2.83 | 1.92 | -2.32 | -1.09 | -2.49 | 1.70 | 1.04 | 5.39 |
| 1955 | 0.64 | -0.21 | 1.32 | 3.77 | 3.17 | -1.08 | 5.68 | 4.71 | 0.81 | 2.70 | -2.06 | -5.01 |
| 1954 | 0.04 | 6.69 | -0.28 | 3.57 | -2.63 | 1.32 | -0.92 | -1.59 | 1.71 | 4.30 | -0.96 | -1.11 |
| 1953 | 7.04 | 5.39 | 1.82 | -1.03 | 2.77 | 1.22 | 0.78 | -0.19 | 1.21 | 3.10 | 0.64 | 3.19 |
| 1952 | 5.34 | 4.29 | -0.98 | 1.77 | -2.03 | 3.52 | 3.38 | 0.51 | 0.91 | -3.20 | 1.44 | 1.39 |
| 1951 | 4.24 | 2.39 | 0.22 | 0.17 | 0.77 | 0.22 | 0.48 | -0.09 | 1.11 | 2.80 | -4.76 | -0.71 |
| 1950 | 11.04 | 0.69 | -5.18 | -4.13 | 0.17 | -0.28 | -1.92 | -0.69 | -1.89 | 3.30 | 0.64 | -4.71 |
| 1949 | 8.34 | 5.69 | 1.22 | 0.17 | 0.87 | 3.82 | 3.98 | 2.11 | -2.49 | 5.50 | -0.56 | 1.09 |
| 1948 | -6.16 | -2.31 | 2.22 | 1.77 | -0.43 | -0.88 | 0.68 | 0.51 | 1.71 | -1.20 | 4.84 | 0.09 |
| 1947 | 7.14 | -3.71 | -4.78 | 0.37 | -0.63 | -0.98 | -1.62 | 3.21 | 1.91 | 7.00 | -2.66 | -1.91 |
| 1946 | 3.04 | 0.19 | 8.52 | -0.03 | -0.63 | -1.38 | -0.32 | -3.89 | 1.91 | 4.60 | 3.44 | 1.39 |
| 1945 | -5.86 | -0.31 | 10.92 | 3.57 | -3.03 | -0.58 | -1.02 | -1.39 | 2.51 | -0.30 | 0.74 | -5.81 |
| 1944 | 4.94 | 1.39 | -3.38 | -2.83 | 6.97 | 1.82 | 1.08 | 2.31 | 1.21 | -1.00 | 0.64 | -5.61 |
| 1943 | 2.24 | 2.49 | 0.92 | -4.93 | 2.67 | 6.42 | 2.08 | 2.01 | -0.79 | -0.50 | -2.26 | -2.51 |
| 1942 | 1.74 | -0.91 | 3.62 | 5.07 | 4.57 | 2.12 | 1.28 | 0.41 | 2.81 | 3.60 | 1.04 | -3.31 |
| 1941 | 1.34 | -2.31 | -5.28 | 5.77 | 2.77 | 1.72 | 1.58 | -1.29 | 3.11 | 5.90 | 2.94 | 3.69 |
| 1940 | -5.56 | 0.79 | -5.88 | -3.43 | 1.77 | 0.32 | 0.38 | -1.69 | -1.29 | -2.20 | 0.64 | 3.39 |
| 1939 | 3.64 | 4.49 | 1.22 | -1.13 | 4.07 | 2.52 | 0.08 | 3.51 | 2.61 | 1.10 | -1.36 | 2.69 |
| 1938 | 2.84 | 4.49 | 4.32 | 2.17 | -0.53 | 0.02 | 1.38 | 4.31 | -0.59 | 5.00 | 1.74 | 0.79 |
| 1937 | 9.74 | 2.89 | -2.58 | -0.83 | 1.67 | 2.92 | 1.08 | 3.81 | -1.49 | -1.20 | 0.34 | -2.61 |
| 1936 | -2.56 | -7.91 | 4.82 | -1.83 | 3.77 | 1.22 | 1.78 | 2.81 | 3.51 | 2.60 | -2.46 | 2.39 |
| 1935 | 0.64 | 0.49 | 4.32 | -0.93 | -3.43 | 0.02 | 3.48 | 1.11 | -0.79 | 1.10 | 3.64 | -4.71 |
| 1934 | 6.34 | -8.61 | -2.38 | 1.67 | 3.67 | 6.22 | 4.48 | -1.09 | 4.21 | 0.60 | 4.34 | -0.51 |
| 1933 | 10.54 | 3.09 | 0.32 | 3.07 | 3.17 | 4.82 | 1.68 | 1.21 | 3.81 | 0.10 | -2.76 | -0.41 |
| 1932 | 14.74 | 6.39 | -3.38 | -1.23 | 1.47 | 1.62 | 1.38 | 2.81 | 2.81 | 2.50 | -1.76 | 0.79 |
| 1931 | 2.94 | 3.19 | -0.28 | 0.37 | 1.67 | 1.52 | 4.18 | 1.31 | 7.31 | 4.20 | 8.34 | 5.89 |
| 1930 | 2.94 | 6.59 | 1.62 | -0.73 | 2.47 | 2.72 | 1.88 | 0.21 | 5.71 | -0.30 | 0.74 | -1.61 |
| 1929 | 1.44 | 0.89 | 6.52 | 3.47 | 0.07 | 1.32 | 0.68 | -1.79 | 3.71 | -0.70 | 0.84 | 0.39 |
| 1928 | 4.44 | 2.19 | -0.18 | -1.53 | -0.23 | -1.08 | 1.68 | 4.11 | -1.89 | 3.50 | 2.44 | 3.19 |
| 1927 | 0.74 | 6.09 | 4.82 | -0.63 | -0.53 | -3.28 | 0.38 | -4.19 | 1.91 | 4.00 | 5.14 | 1.19 |
| 1926 | 2.04 | -0.01 | -3.08 | -2.03 | 0.17 | -2.78 | 0.58 | 2.21 | 1.41 | 0.30 | -0.46 | -5.11 |
| 1925 | -2.26 | 6.79 | 3.92 | 2.67 | -3.23 | 5.62 | -0.72 | -0.19 | 5.01 | -4.80 | -1.46 | -0.51 |
| 1924 | 2.94 | -0.81 | -0.58 | -2.33 | -3.63 | -1.58 | -1.82 | 0.21 | -2.49 | 0.90 | -0.56 | -1.61 |
| 1923 | 1.84 | -3.61 | 0.12 | 0.67 | 0.37 | 4.72 | -0.82 | -0.89 | 2.41 | -0.10 | -0.56 | 7.59 |
| 1922 | -1.56 | 4.69 | 2.32 | 1.57 | 3.77 | 2.72 | 0.48 | -0.59 | 3.71 | 3.70 | 1.44 | -0.81 |
| 1921 | 4.14 | 4.39 | 10.22 | 7.27 | 0.77 | 3.62 | 4.88 | -1.59 | 6.61 | 1.20 | 1.34 | -0.91 |
| 1920 | -5.86 | -2.91 | 0.92 | -1.03 | -2.43 | 0.22 | -1.82 | 0.61 | 1.71 | 6.10 | -0.46 | 1.69 |
| 1919 | 5.94 | 4.09 | 4.32 | 0.77 | 1.57 | 4.12 | 1.18 | -1.99 | 1.61 | 6.00 | 0.24 | -6.71 |
| 1918 | -9.46 | -0.51 | 3.92 | 0.57 | 6.47 | -1.08 | -1.12 | 3.61 | -3.59 | 4.10 | 0.84 | 4.39 |
| 1917 | 2.14 | -2.21 | -0.18 | 0.87 | -5.13 | 0.22 | 0.88 | 2.11 | -4.09 | -3.50 | -3.66 | -9.91 |
| 1916 | 7.74 | -2.51 | -7.58 | -0.13 | 2.87 | -3.18 | 3.08 | 1.91 | 0.11 | 0.80 | -0.06 | -1.61 |
| 1915 | 2.64 | 4.59 | -2.98 | 5.97 | -2.23 | -1.38 | -0.32 | -1.19 | 4.51 | 3.00 | 0.54 | -2.51 |
| 1914 | 2.94 | -6.61 | -2.68 | -0.73 | 2.97 | 1.42 | -0.02 | 1.91 | -0.99 | 5.70 | -0.26 | -4.51 |
| 1913 | 10.04 | -0.71 | 5.62 | 3.27 | -0.13 | 1.42 | 0.68 | 0.41 | -0.09 | 4.30 | 2.84 | 2.59 |
| 1912 | -7.46 | -3.91 | -3.28 | 1.97 | 2.57 | -1.18 | -0.02 | -2.49 | 3.01 | 3.20 | 2.34 | 2.69 |
| 1911 | 4.84 | 2.19 | -2.68 | -1.83 | 6.57 | 1.22 | 2.48 | 1.61 | 2.21 | 1.10 | -2.76 | 4.49 |
| 1910 | 0.54 | -1.61 | 6.82 | 5.47 | -1.33 | -1.28 | 1.58 | -0.09 | 3.21 | 4.60 | -3.66 | -7.41 |
| 1909 | 4.34 | 7.99 | -1.38 | 1.07 | 1.47 | 1.72 | -1.92 | -0.69 | 0.61 | -2.60 | 4.44 | -4.11 |
| 1908 | 2.94 | -3.91 | 3.02 | 2.17 | 2.97 | 2.22 | 2.98 | -0.59 | 3.01 | 4.00 | 0.04 | 0.19 |
| 1907 | 2.44 | -6.31 | 3.02 | -3.63 | -3.53 | -3.58 | 0.28 | -1.69 | 2.61 | -2.80 | -0.46 | 1.09 |
| 1906 | 8.74 | -0.11 | -5.08 | 1.67 | 1.47 | 2.52 | -0.02 | 3.71 | 4.51 | 0.90 | 0.84 | -1.11 |
| 1905 | -1.06 | -7.11 | 0.32 | 0.47 | 2.37 | 0.92 | 1.28 | -0.49 | 1.51 | 2.60 | -1.76 | 2.39 |
| 1904 | -7.36 | -6.81 | -2.58 | -2.83 | 3.27 | 1.02 | -0.82 | -1.69 | 1.11 | -0.70 | -2.66 | -6.31 |
| 1903 | 0.64 | 1.99 | 8.82 | 0.57 | 2.57 | -3.48 | -0.52 | -2.79 | 0.51 | 2.40 | -3.96 | -5.41 |
| 1902 | -0.86 | -3.61 | 4.52 | 0.07 | 0.57 | -0.78 | 0.38 | -1.79 | 0.31 | 1.90 | 6.04 | -3.71 |
| 1901 | 3.34 | -6.21 | -0.18 | -0.53 | 0.57 | 2.22 | 5.68 | 2.71 | 1.31 | 0.80 | -5.16 | -2.41 |
| 1900 | 3.84 | -0.71 | -6.28 | 1.27 | 1.87 | 3.22 | 3.08 | 4.81 | 5.91 | 7.10 | 3.64 | 0.29 |
| 1899 | -0.46 | -5.21 | -0.98 | 0.87 | 1.97 | 2.82 | 1.08 | 0.91 | -0.89 | 2.80 | -0.26 | 0.19 |