Every January in Bristol-Johnson City, TN from 1938 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 | 34.8 | 49 | 46.3 | 38 | 23.3 | 63 | 3.42 | 41 | 0 |
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| 2025 | 30.2 | 80 | 39.9 | 77 | 20.5 | 78 | 2.49 | 64 | 0 |
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| 2024 | 35.7 | 42 | 45.8 | 43 | 25.6 | 47 | 3.72 | 32 | 0 |
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| 2023 | 43.1 | 5 | 53.6 | 5 | 32.6 | 8 | 4.45 | 17 | 0 |
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| 2022 | 34.6 | 50 | 44.5 | 51 | 24.6 | 52 | 4.08 | 25 | 0 |
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| 2021 | 37.9 | 36 | 46.1 | 40 | 29.6 | 24 | 3.57 | 38 | 0 |
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| 2020 | 42.5 | 9 | 51.2 | 14 | 33.8 | 5 | 4.36 | 19 | 0 |
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| 2019 | 38.2 | 30 | 46.9 | 34 | 29.5 | 25 | 3.69 | 33 | 0 |
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| 2018 | 31.8 | 71 | 43.5 | 60 | 20.1 | 81 | 1.57 | 86 | 0 |
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| 2017 | 44.4 | 4 | 53 | 6 | 35.8 | 4 | 2.55 | 63 | 0 |
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| 2016 | 32.4 | 68 | 42.7 | 67 | 22.2 | 71 | 2.92 | 52 | 0 |
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| 2015 | 35.1 | 47 | 45.5 | 44 | 24.7 | 51 | 2.28 | 69 | 0 |
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| 2014 | 28.5 | 84 | 40.8 | 73 | 16.2 | 88 | 1.80 | 81 | 0 |
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| 2013 | 39.9 | 18 | 49.5 | 22 | 30.3 | 16 | 9.99 | 1 | 0 |
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| 2012 | 40.1 | 17 | 51.3 | 12 | 28.9 | 29 | 4.60 | 15 | 0 |
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| 2011 | 32.8 | 65 | 41.8 | 68 | 23.8 | 55 | 1.88 | 78 | 0 |
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| 2010 | 31.1 | 75 | 39.4 | 79 | 22.8 | 67 | 3.61 | 36 | 0 |
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| 2009 | 34.3 | 54 | 43.5 | 60 | 25 | 50 | 5.67 | 7 | 0 |
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| 2008 | 34.5 | 53 | 45.3 | 46 | 23.7 | 59 | 3.45 | 40 | 0 |
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| 2007 | 38.3 | 28 | 48.9 | 26 | 27.6 | 36 | 1.60 | 85 | 0 |
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| 2006 | 43 | 6 | 53.7 | 4 | 32.2 | 10 | 3.90 | 30 | 0 |
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| 2005 | 39.5 | 21 | 49 | 25 | 29.9 | 20 | 2.91 | 53 | 0 |
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| 2004 | 33.2 | 62 | 43.5 | 60 | 23 | 65 | 2.88 | 57 | 0 |
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| 2003 | 30.5 | 77 | 38.5 | 84 | 22.6 | 70 | 2.47 | 65 | 0 |
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| 2002 | 38.2 | 30 | 50.1 | 19 | 26.4 | 44 | 4.32 | 20 | 0 |
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| 2001 | 33.2 | 62 | 43.6 | 59 | 22.7 | 69 | 2.56 | 62 | 0 |
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| 2000 | 33.8 | 59 | 43.9 | 57 | 23.8 | 55 | 3.62 | 35 | 0 |
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| 1999 | 39.8 | 19 | 50.7 | 17 | 29 | 28 | 4.40 | 18 | 0 |
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| 1998 | 40.3 | 16 | 49.1 | 24 | 31.4 | 13 | 5.12 | 11 | 0 |
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| 1997 | 35.7 | 42 | 45.9 | 42 | 25.6 | 47 | 3.91 | 28 | 0 |
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| 1996 | 33.9 | 58 | 44.3 | 53 | 23.5 | 62 | 6.52 | 6 | 0 |
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| 1995 | 38 | 33 | 46.7 | 35 | 29.4 | 27 | 4.63 | 14 | 0 |
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| 1994 | 31.2 | 74 | 39.5 | 78 | 23 | 65 | 4.52 | 16 | 0 |
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| 1993 | 41.7 | 11 | 51.1 | 15 | 32.3 | 9 | 3.21 | 47 | 0 |
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| 1992 | 38.6 | 25 | 49.3 | 23 | 27.9 | 33 | 2.42 | 66 | 0 |
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| 1991 | 38.8 | 24 | 47.7 | 31 | 29.8 | 21 | 2.01 | 74 | 0 |
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| 1990 | 41.6 | 13 | 52.5 | 8 | 30.7 | 14 | 3.23 | 45 | 0 |
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| 1989 | 42.2 | 10 | 53 | 6 | 31.5 | 12 | 3.69 | 33 | 0 |
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| 1988 | 31.5 | 72 | 40.9 | 72 | 22.1 | 72 | 2.74 | 58 | 0 |
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| 1987 | 34.6 | 50 | 43.2 | 65 | 26.1 | 45 | 4.11 | 23 | 0 |
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| 1986 | 32 | 70 | 44.2 | 54 | 19.7 | 82 | 1.55 | 87 | 0 |
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| 1985 | 27.6 | 85 | 35.9 | 86 | 19.3 | 84 | 3.21 | 47 | 0 |
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| 1984 | 32.7 | 66 | 41.6 | 69 | 23.8 | 55 | 1.79 | 83 | 0 |
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| 1983 | 35 | 48 | 44.2 | 54 | 25.9 | 46 | 1.67 | 84 | 0 |
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| 1982 | 31.1 | 75 | 40.8 | 73 | 21.5 | 74 | 4.07 | 26 | 0 |
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| 1981 | 29.2 | 83 | 39 | 82 | 19.5 | 83 | 1.37 | 88 | 0 |
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| 1980 | 37.9 | 36 | 45.4 | 45 | 30.3 | 16 | 3.91 | 28 | 0 |
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| 1979 | 30.4 | 79 | 39.4 | 79 | 21.4 | 76 | 5.29 | 9 | 0 |
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| 1978 | 25.8 | 88 | 34.5 | 87 | 17.1 | 87 | 4.22 | 21 | 0 |
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| 1977 | 22.1 | 89 | 30.2 | 89 | 13.9 | 89 | 1.90 | 77 | 0 |
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| 1976 | 33.5 | 61 | 43.3 | 63 | 23.7 | 59 | 2.60 | 61 | 0 |
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| 1975 | 40.4 | 15 | 50.8 | 16 | 30 | 19 | 4.19 | 22 | 0 |
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| 1974 | 47 | 2 | 55.2 | 3 | 38.7 | 2 | 5.33 | 8 | 0 |
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| 1973 | 35.8 | 41 | 44.7 | 48 | 26.9 | 40 | 1.80 | 81 | 0 |
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| 1972 | 40.8 | 14 | 51.5 | 11 | 30.1 | 18 | 4.87 | 13 | 0 |
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| 1971 | 35.6 | 44 | 44.6 | 50 | 26.6 | 42 | 3.83 | 31 | 0 |
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| 1970 | 27.6 | 85 | 37.6 | 85 | 17.5 | 86 | 2.89 | 56 | 0 |
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| 1969 | 34.2 | 56 | 44.2 | 54 | 24.3 | 53 | 2.72 | 60 | 0 |
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| 1968 | 33.1 | 64 | 43 | 66 | 23.3 | 63 | 3.58 | 37 | 0 |
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| 1967 | 38.2 | 30 | 48.6 | 28 | 27.8 | 34 | 2.00 | 75 | 0 |
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| 1966 | 29.4 | 82 | 38.7 | 83 | 20.2 | 80 | 3.30 | 42 | 0 |
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| 1965 | 36.5 | 40 | 46.2 | 39 | 26.8 | 41 | 3.23 | 45 | 0 |
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| 1964 | 34.1 | 57 | 46.5 | 36 | 21.7 | 73 | 3.25 | 43 | 0 |
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| 1963 | 30.5 | 77 | 40.8 | 73 | 20.3 | 79 | 3.20 | 49 | 0 |
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| 1962 | 35.5 | 46 | 44.5 | 51 | 26.5 | 43 | 5.15 | 10 | 0 |
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| 1961 | 31.5 | 72 | 41.6 | 69 | 21.5 | 74 | 2.27 | 70 | 0 |
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| 1960 | 38.3 | 28 | 46.1 | 40 | 30.5 | 15 | 2.24 | 71 | 0 |
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| 1959 | 33.8 | 59 | 44.7 | 48 | 22.8 | 67 | 2.93 | 51 | 0 |
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| 1958 | 32.5 | 67 | 41.3 | 71 | 23.6 | 61 | 2.17 | 73 | 0 |
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| 1957 | 38 | 33 | 46.5 | 36 | 29.5 | 25 | 9.18 | 2 | 0 |
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| 1956 | 32.2 | 69 | 40.6 | 76 | 23.8 | 55 | 2.36 | 67 | 0 |
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| 1955 | 34.3 | 54 | 43.3 | 63 | 25.3 | 49 | 1.85 | 79 | 0 |
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| 1954 | 37.8 | 38 | 48.5 | 29 | 27.2 | 38 | 6.60 | 5 | 0 |
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| 1953 | 41.7 | 11 | 51.3 | 12 | 32.1 | 11 | 2.73 | 59 | 0 |
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| 1952 | 43 | 6 | 52.2 | 10 | 33.7 | 6 | 4.09 | 24 | 0 |
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| 1951 | 38.6 | 25 | 49.6 | 21 | 27.7 | 35 | 3.24 | 44 | 0 |
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| 1950 | 50 | 1 | 60.1 | 1 | 40 | 1 | 8.38 | 3 | 0 |
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| 1949 | 46.3 | 3 | 55.5 | 2 | 37.1 | 3 | 3.56 | 39 | 0 |
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| 1948 | 29.8 | 81 | 39.1 | 81 | 20.6 | 77 | 3.06 | 50 | 0 |
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| 1947 | 42.7 | 8 | 52.4 | 9 | 32.9 | 7 | 8.22 | 4 | 0 |
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| 1946 | 38 | 33 | 47.1 | 32 | 28.9 | 29 | 5.09 | 12 | 0 |
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| 1945 | 35.6 | 44 | 43.9 | 57 | 27.3 | 37 | 2.23 | 72 | 0 |
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| 1944 | 38.4 | 27 | 47.9 | 30 | 28.9 | 29 | 1.94 | 76 | 0 |
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| 1943 | 39.8 | 19 | 49.7 | 20 | 29.8 | 21 | 2.91 | 53 | 0 |
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| 1942 | 34.6 | 50 | 45 | 47 | 24.1 | 54 | 2.34 | 68 | 0 |
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| 1941 | 37 | 39 | 47 | 33 | 27 | 39 | 1.84 | 80 | 0 |
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| 1940 | 26.4 | 87 | 33.9 | 88 | 18.5 | 85 | 1.06 | 89 | 3 |
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| 1939 | 39.1 | 23 | 50.3 | 18 | 28 | 32 | 2.91 | 53 | 0 |
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| 1938 | 39.4 | 22 | 48.9 | 26 | 29.8 | 21 | 3.96 | 27 | 0 |
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