Every 1 to 9 October in Oak Ridge, TN from 1947 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.
| Year | Mean, °F | Rank | High, °F | Rank | Low, °F | Rank | Precipitation, in | Rank | Days missing |
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| 2026 | 70.2 | 6 | 82.1 | 5 | 58.2 | 15 | 1.19 | 28 | 0 |
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| 2025 | 69.6 | 10 | 80.1 | 12 | 59 | 12 | 0.44 | 45 | 0 |
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| 2024 | 69.8 | 8 | 81 | 7 | 58.7 | 14 | 0.02 | 67 | 0 |
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| 2023 | 65.1 | 29 | 76.1 | 34 | 54.1 | 28 | 0.14 | 61 | 0 |
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| 2022 | 59.1 | 64 | 70.9 | 63 | 47.2 | 64 | 0.00 | 73 | 0 |
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| 2021 | 70.9 | 5 | 78 | 25 | 63.8 | 3 | 2.79 | 1 | 0 |
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| 2020 | 61.6 | 47 | 73.4 | 48 | 49.7 | 50 | trace | 70 | 0 |
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| 2019 | 74.8 | 2 | 85.6 | 2 | 64 | 2 | 0.93 | 31 | 0 |
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| 2018 | 76.8 | 1 | 86.4 | 1 | 67.1 | 1 | 0.02 | 67 | 0 |
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| 2017 | 68.9 | 12 | 81.6 | 6 | 56.2 | 21 | 2.09 | 9 | 0 |
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| 2016 | 67.8 | 19 | 80.7 | 9 | 54.9 | 25 | 0.00 | 73 | 0 |
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| 2015 | 67.9 | 17 | 76.6 | 32 | 59.2 | 8 | 1.65 | 14 | 0 |
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| 2014 | 62.9 | 43 | 74.2 | 44 | 51.6 | 39 | 2.22 | 7 | 0 |
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| 2013 | 68.4 | 15 | 79.7 | 13 | 57.2 | 19 | 0.13 | 62 | 0 |
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| 2012 | 59.8 | 59 | 67 | 78 | 52.7 | 32 | 0.89 | 34 | 0 |
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| 2011 | 60.7 | 52 | 73.9 | 45 | 47.6 | 61 | 0.00 | 73 | 0 |
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| 2010 | 59.2 | 61 | 73 | 49 | 45.3 | 70 | 0.00 | 73 | 0 |
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| 2009 | 61.5 | 48 | 71.2 | 62 | 51.8 | 38 | 1.73 | 12 | 0 |
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| 2008 | 62.8 | 45 | 75.9 | 38 | 49.8 | 49 | 1.21 | 25 | 0 |
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| 2007 | 72.5 | 3 | 84.9 | 3 | 60.1 | 7 | 0.40 | 48 | 0 |
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| 2006 | 65.1 | 29 | 77 | 30 | 53.1 | 31 | 0.40 | 48 | 0 |
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| 2005 | 68.7 | 13 | 78.3 | 21 | 59 | 12 | 0.37 | 51 | 0 |
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| 2004 | 64.3 | 36 | 76 | 37 | 52.7 | 32 | 0.13 | 62 | 0 |
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| 2003 | 59.1 | 64 | 70.7 | 65 | 47.6 | 61 | 0.02 | 67 | 0 |
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| 2002 | 70 | 7 | 79.2 | 16 | 60.8 | 6 | 0.41 | 47 | 0 |
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| 2001 | 57.6 | 70 | 71.8 | 58 | 43.3 | 74 | 0.30 | 53 | 0 |
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| 2000 | 60.1 | 56 | 72.2 | 53 | 47.9 | 59 | 0.00 | 73 | 0 |
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| 1999 | 61.7 | 46 | 74.8 | 43 | 48.7 | 55 | 1.25 | 23 | 0 |
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| 1998 | 68.1 | 16 | 78.7 | 19 | 57.4 | 17 | 1.61 | 15 | 0 |
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| 1997 | 66.6 | 26 | 81 | 7 | 52.1 | 36 | 0.00 | 73 | 0 |
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| 1996 | 62.9 | 43 | 73.9 | 45 | 51.9 | 37 | 0.40 | 48 | 0 |
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| 1995 | 66.8 | 23 | 78.1 | 24 | 55.4 | 24 | 2.67 | 4 | 0 |
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| 1994 | 63.5 | 38 | 75.4 | 40 | 51.6 | 39 | 1.36 | 21 | 0 |
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| 1993 | 64.8 | 33 | 79.7 | 13 | 49.9 | 47 | 0.65 | 39 | 0 |
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| 1992 | 58.9 | 67 | 69.8 | 68 | 48 | 57 | 1.54 | 16 | 0 |
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| 1991 | 60.1 | 56 | 75.2 | 42 | 44.9 | 71 | 0.27 | 55 | 0 |
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| 1990 | 66.8 | 23 | 80.4 | 10 | 53.2 | 30 | 2.14 | 8 | 0 |
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| 1989 | | | | | 48.3 | 56 | 0.43 | 46 | 1 |
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| 1988 | 56.9 | 71 | 69.2 | 70 | 44.7 | 73 | 0.68 | 38 | 0 |
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| 1987 | 53.2 | 78 | 68.9 | 71 | 37.6 | 79 | 0.05 | 66 | 0 |
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| 1986 | 67.6 | 20 | 78.3 | 21 | 56.9 | 20 | 0.29 | 54 | 0 |
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| 1985 | 55.9 | 77 | 68.8 | 73 | 43.1 | 75 | 1.45 | 19 | 0 |
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| 1984 | 60.5 | 54 | 72.2 | 53 | 48.8 | 54 | 1.14 | 29 | 0 |
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| 1983 | 64.7 | 34 | 80.4 | 10 | 49 | 53 | 0.61 | 40 | 0 |
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| 1982 | 68.7 | 13 | 78.2 | 23 | 59.2 | 8 | 0.58 | 42 | 0 |
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| 1981 | 56 | 76 | 69.4 | 69 | 42.6 | 77 | 1.08 | 30 | 0 |
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| 1980 | 56.9 | 71 | 71.3 | 61 | 42.4 | 78 | 0.09 | 65 | 0 |
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| 1979 | 59.2 | 61 | 71.6 | 60 | 46.9 | 66 | 0.78 | 35 | 0 |
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| 1978 | 56.7 | 74 | 70.7 | 65 | 42.7 | 76 | 0.17 | 60 | 0 |
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| 1977 | 57.7 | 68 | 67.4 | 77 | 48 | 57 | 2.69 | 3 | 0 |
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| 1976 | 60.3 | 55 | 70.4 | 67 | 50.2 | 45 | 1.39 | 20 | 0 |
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| 1975 | 59.4 | 60 | 68.7 | 74 | 50.1 | 46 | 1.93 | 10 | 0 |
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| 1974 | 51.6 | 79 | 68 | 76 | 35.1 | 80 | 0.00 | 73 | 0 |
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| 1973 | 69.8 | 8 | 77.7 | 28 | 61.9 | 4 | 0.72 | 36 | 0 |
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| 1972 | 59.9 | 58 | 72 | 55 | 47.8 | 60 | 1.52 | 17 | 0 |
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| 1971 | 65.9 | 28 | 76.1 | 34 | 55.7 | 23 | 0.92 | 32 | 0 |
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| 1970 | 63.3 | 39 | 76.8 | 31 | 49.9 | 47 | trace | 70 | 0 |
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| 1969 | 64.1 | 37 | 73.8 | 47 | 54.4 | 27 | 0.57 | 43 | 0 |
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| 1968 | 60.8 | 51 | 72 | 55 | 49.7 | 50 | 1.23 | 24 | 0 |
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| 1967 | 64.9 | 31 | 77.4 | 29 | 52.4 | 34 | 1.20 | 27 | 0 |
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| 1966 | 56.4 | 75 | 68.1 | 75 | 44.8 | 72 | 1.21 | 25 | 0 |
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| 1965 | 57.7 | 68 | 68.9 | 71 | 46.6 | 67 | 0.70 | 37 | 0 |
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| 1964 | 56.8 | 73 | 66.6 | 79 | 47 | 65 | 1.82 | 11 | 0 |
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| 1963 | 63 | 41 | 78.6 | 20 | 47.4 | 63 | 0.00 | 73 | 0 |
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| 1962 | 67.9 | 17 | 78 | 25 | 57.8 | 16 | 2.77 | 2 | 0 |
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| 1961 | 59.2 | 61 | 72.3 | 51 | 46 | 68 | 1.71 | 13 | 0 |
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| 1960 | 67.5 | 21 | 75.9 | 38 | 59.1 | 11 | 2.40 | 6 | 0 |
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| 1959 | 71.8 | 4 | 82.4 | 4 | 61.2 | 5 | 1.26 | 22 | 0 |
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| 1958 | 60.6 | 53 | 70.9 | 63 | 50.3 | 43 | 0.35 | 52 | 0 |
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| 1957 | 63.2 | 40 | 71.8 | 58 | 54.7 | 26 | 2.59 | 5 | 0 |
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| 1956 | 67.1 | 22 | 78 | 25 | 56.2 | 21 | 0.20 | 58 | 0 |
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| 1955 | 66.8 | 23 | 76.1 | 34 | 57.4 | 17 | 1.46 | 18 | 0 |
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| 1954 | 69.1 | 11 | 79 | 17 | 59.2 | 8 | 0.52 | 44 | 0 |
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| 1953 | 64.9 | 31 | 79.4 | 15 | 50.4 | 42 | trace | 70 | 0 |
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| 1952 | 59.1 | 64 | 72.4 | 50 | 45.8 | 69 | 0.92 | 32 | 0 |
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| 1951 | 66.3 | 27 | 78.9 | 18 | 53.8 | 29 | 0.18 | 59 | 0 |
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| 1950 | 61 | 50 | 72.3 | 51 | 49.7 | 50 | 0.59 | 41 | 0 |
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| 1949 | 64.5 | 35 | 76.6 | 32 | 52.4 | 34 | 0.23 | 56 | 0 |
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| 1948 | 61.2 | 49 | 72 | 55 | 50.3 | 43 | 0.21 | 57 | 0 |
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| 1947 | 63 | 41 | 75.4 | 40 | 50.6 | 41 | 0.12 | 64 | 0 |
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