Every summer 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 | 79.1 | 4 | 89.7 | 11 | 68.6 | 6 | 15.32 | 27 | 0 |
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| 2025 | 78.6 | 12 | 88.4 | 23 | 68.7 | 5 | 12.24 | 48 | 0 |
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| 2024 | 79 | 5 | 89.5 | 13 | 68.4 | 8 | 10.34 | 58 | 0 |
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| 2023 | 76.4 | 36 | 85.9 | 52 | 66.8 | 22 | 16.44 | 18 | 0 |
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| 2022 | 78.9 | 6 | 88.9 | 19 | 69 | 3 | 15.84 | 22 | 0 |
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| 2021 | 77.7 | 22 | 87.5 | 33 | 67.9 | 13 | 17.55 | 11 | 0 |
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| 2020 | 78.4 | 15 | 88.3 | 25 | 68.4 | 8 | 11.57 | 52 | 0 |
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| 2019 | 78 | 17 | 88 | 30 | 68 | 11 | 16.93 | 13 | 0 |
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| 2018 | 78.7 | 9 | 88.5 | 21 | 68.9 | 4 | 12.84 | 42 | 0 |
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| 2017 | 76.7 | 33 | 86.6 | 45 | 66.7 | 25 | 18.18 | 10 | 0 |
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| 2016 | 80.7 | 1 | 91.4 | 2 | 70 | 2 | 11.47 | 53 | 0 |
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| 2015 | 78.1 | 16 | 88.2 | 28 | 68 | 11 | 17.41 | 12 | 0 |
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| 2014 | 76.4 | 36 | 86.3 | 47 | 66.5 | 27 | 19.44 | 7 | 0 |
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| 2013 | 76.2 | 39 | 85.2 | 63 | 67.1 | 18 | 20.57 | 5 | 0 |
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| 2012 | 78 | 17 | 89 | 16 | 66.9 | 21 | 10.13 | 59 | 0 |
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| 2011 | 79.4 | 3 | 90.3 | 6 | 68.5 | 7 | 13.01 | 40 | 0 |
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| 2010 | 80.3 | 2 | 90.2 | 9 | 70.5 | 1 | 11.61 | 51 | 0 |
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| 2009 | 76 | 47 | 86 | 51 | 66 | 34 | 15.47 | 26 | 0 |
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| 2008 | 76.9 | 29 | 88.4 | 23 | 65.5 | 39 | 9.72 | 68 | 0 |
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| 2007 | 78.9 | 6 | 90.2 | 9 | 67.7 | 14 | 6.49 | 78 | 0 |
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| 2006 | 77.8 | 19 | 88.3 | 25 | 67.3 | 17 | 10.64 | 55 | 0 |
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| 2005 | 77.7 | 22 | 86.9 | 39 | 68.4 | 8 | 13.01 | 40 | 0 |
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| 2004 | 75.5 | 53 | 84.8 | 66 | 66.2 | 29 | 15.60 | 24 | 0 |
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| 2003 | 75.7 | 52 | 85.2 | 63 | 66.2 | 29 | 15.20 | 30 | 0 |
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| 2002 | 78.6 | 12 | 89.6 | 12 | 67.6 | 15 | 10.40 | 57 | 0 |
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| 2001 | 75.9 | 48 | 85.6 | 58 | 66.1 | 31 | 13.97 | 36 | 0 |
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| 2000 | 76.9 | 29 | 87 | 38 | 66.8 | 22 | 9.65 | 69 | 0 |
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| 1999 | 77.5 | 24 | 87.7 | 31 | 67.4 | 16 | 15.98 | 21 | 0 |
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| 1998 | 78.7 | 9 | 90.3 | 6 | 67.1 | 18 | 14.89 | 32 | 0 |
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| 1997 | 76.2 | 39 | 87.7 | 31 | 64.8 | 51 | 16.24 | 19 | 0 |
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| 1996 | 76.2 | 39 | 87.1 | 37 | 65.2 | 45 | 21.99 | 3 | 0 |
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| 1995 | 78.9 | 6 | 91.8 | 1 | 66 | 34 | 6.50 | 77 | 0 |
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| 1994 | 75.4 | 54 | 85.7 | 54 | 65.2 | 45 | 16.53 | 17 | 0 |
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| 1993 | 78.5 | 14 | 90.5 | 5 | 66.5 | 27 | 6.84 | 76 | 0 |
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| 1992 | 74.1 | 71 | 83.8 | 73 | 64.3 | 58 | 12.48 | 46 | 0 |
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| 1991 | 76.9 | 29 | 86.8 | 40 | 67.1 | 18 | 15.73 | 23 | 0 |
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| 1990 | 76.7 | 33 | 88.1 | 29 | 65.4 | 41 | 11.68 | 50 | 0 |
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| 1989 | 75.4 | 54 | 84.7 | 68 | 66 | 34 | 18.66 | 8 | 0 |
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| 1988 | 76.8 | 32 | 89.2 | 14 | 64.5 | 55 | 10.52 | 56 | 0 |
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| 1987 | 77.1 | 27 | 89 | 16 | 65.2 | 45 | 10.12 | 60 | 0 |
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| 1986 | 77.2 | 26 | 89.1 | 15 | 65.3 | 42 | 7.13 | 75 | 0 |
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| 1985 | 73 | 75 | 83.6 | 74 | 62.3 | 76 | 20.01 | 6 | 0 |
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| 1984 | 74.2 | 68 | 85.6 | 58 | 62.8 | 73 | 15.29 | 28 | 0 |
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| 1983 | 76.2 | 39 | 88.5 | 21 | 63.9 | 63 | 6.22 | 79 | 0 |
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| 1982 | 74.3 | 66 | 85.5 | 60 | 63.1 | 69 | 13.77 | 37 | 0 |
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| 1981 | 75.8 | 49 | 86.8 | 40 | 64.7 | 53 | 10.03 | 62 | 0 |
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| 1980 | 77.4 | 25 | 90.9 | 3 | 63.9 | 63 | 5.31 | 80 | 0 |
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| 1979 | 73.4 | 74 | 83.9 | 72 | 62.9 | 72 | 22.14 | 2 | 0 |
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| 1978 | 74.6 | 65 | 86.8 | 40 | 62.5 | 74 | 14.61 | 34 | 0 |
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| 1977 | 74.9 | 63 | 86.2 | 49 | 63.5 | 68 | 15.19 | 31 | 0 |
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| 1976 | 72.2 | 79 | 83.6 | 74 | 60.8 | 79 | 13.72 | 38 | 0 |
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| 1975 | 74.3 | 66 | 85.4 | 61 | 63.1 | 69 | 11.15 | 54 | 0 |
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| 1974 | 72.5 | 77 | 83.6 | 74 | 61.4 | 78 | 8.30 | 72 | 0 |
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| 1973 | 75.3 | 56 | 84.8 | 66 | 65.8 | 38 | 14.73 | 33 | 0 |
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| 1972 | 73.5 | 72 | 84 | 71 | 63 | 71 | 12.55 | 44 | 0 |
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| 1971 | 75.1 | 59 | 85.3 | 62 | 65 | 48 | 13.04 | 39 | 0 |
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| 1970 | 75.1 | 59 | 85.7 | 54 | 64.5 | 55 | 16.55 | 16 | 0 |
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| 1969 | 76.2 | 39 | 87.3 | 36 | 65 | 48 | 15.51 | 25 | 0 |
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| 1968 | 76.5 | 35 | 87.5 | 33 | 65.5 | 39 | 7.61 | 74 | 0 |
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| 1967 | 72.3 | 78 | 82.1 | 79 | 62.5 | 74 | 27.89 | 1 | 0 |
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| 1966 | 75.3 | 56 | 86.3 | 47 | 64.3 | 58 | 9.95 | 63 | 0 |
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| 1965 | 74.2 | 68 | 84.4 | 70 | 64.1 | 61 | 16.05 | 20 | 0 |
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| 1964 | 74.8 | 64 | 85.7 | 54 | 63.9 | 63 | 9.32 | 71 | 0 |
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| 1963 | 74.2 | 68 | 84.6 | 69 | 63.7 | 66 | 14.30 | 35 | 0 |
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| 1962 | 75.1 | 59 | 85.8 | 53 | 64.4 | 57 | 15.24 | 29 | 0 |
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| 1961 | 73.5 | 72 | 83.4 | 78 | 63.6 | 67 | 18.24 | 9 | 0 |
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| 1960 | 75.8 | 49 | 85.7 | 54 | 65.9 | 37 | 21.22 | 4 | 0 |
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| 1959 | 76.1 | 44 | 86.1 | 50 | 66.1 | 31 | 12.71 | 43 | 0 |
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| 1958 | 76.4 | 36 | 86.8 | 40 | 66.1 | 31 | 9.83 | 66 | 0 |
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| 1957 | 77.8 | 19 | 89 | 16 | 66.7 | 25 | 9.34 | 70 | 0 |
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| 1956 | 75.8 | 49 | 86.7 | 44 | 64.9 | 50 | 12.26 | 47 | 0 |
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| 1955 | 75.3 | 56 | 86.5 | 46 | 64.2 | 60 | 12.49 | 45 | 0 |
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| 1954 | 77.8 | 19 | 90.3 | 6 | 65.3 | 42 | 10.08 | 61 | 0 |
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| 1953 | 77.1 | 27 | 88.9 | 19 | 65.3 | 42 | 7.70 | 73 | 0 |
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| 1952 | 78.7 | 9 | 90.6 | 4 | 66.8 | 22 | 9.79 | 67 | 0 |
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| 1951 | 76.1 | 44 | 87.5 | 33 | 64.7 | 53 | 9.95 | 63 | 0 |
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| 1950 | 72.6 | 76 | 83.6 | 74 | 61.5 | 77 | 16.73 | 15 | 0 |
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| 1949 | 75 | 62 | 85.1 | 65 | 64.8 | 51 | 16.77 | 14 | 0 |
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| 1948 | 76.1 | 44 | 88.3 | 25 | 64 | 62 | 9.92 | 65 | 6 |
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| 1947 | | | | | | | 11.95 | 49 | 30 |
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