Every 1 September to 9 October in Baltimore Downtown, MD from 1950 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 | 71.9 | 23 | 79.7 | 24 | 64.1 | 20 | | | 0 |
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| 2025 | 71.4 | 28 | 79.8 | 22 | 63 | 31 | 2.79 | 51 | 0 |
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| 2024 | 72.1 | 21 | 79.5 | 27 | 64.6 | 12 | 3.67 | 43 | 0 |
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| 2023 | 73.8 | 7 | 81.8 | 9 | 65.7 | 8 | 4.60 | 32 | 0 |
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| 2022 | | | | | | | | | 10 |
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| 2019 | 74.7 | 4 | 83.3 | 3 | 66 | 7 | 0.26 | 69 | 0 |
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| 2018 | 75.2 | 3 | 81.5 | 11 | 68.9 | 1 | 10.57 | 5 | 0 |
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| 2017 | 72.8 | 12 | 80.2 | 18 | 65.5 | 9 | 2.46 | 52 | 0 |
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| 2016 | 72.8 | 12 | 79 | 32 | 66.7 | 4 | 5.73 | 22 | 0 |
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| 2015 | 71.3 | 29 | 78.6 | 34 | 64.1 | 20 | 5.69 | 23 | 0 |
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| 2014 | 69.8 | 42 | 76.9 | 50 | 62.7 | 33 | 3.08 | 49 | 0 |
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| 2013 | 73.1 | 11 | 81.5 | 11 | 64.6 | 12 | 2.43 | 53 | 0 |
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| 2012 | 72.4 | 18 | 80.4 | 17 | 64.4 | 16 | 3.91 | 37 | 0 |
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| 2011 | 71 | 33 | 77.6 | 42 | 64.4 | 16 | 10.88 | 4 | 0 |
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| 2010 | 71.6 | 24 | 80.1 | 20 | 63.1 | 30 | 9.00 | 7 | 0 |
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| 2009 | 68.7 | 50 | 75.8 | 63 | 61.5 | 44 | 3.55 | 44 | 0 |
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| 2008 | 69.9 | 41 | 77.3 | 45 | 62.5 | 38 | 7.21 | 13 | 0 |
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| 2007 | 76.7 | 1 | 85.4 | 1 | 68 | 2 | 0.96 | 65 | 0 |
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| 2006 | 67.8 | 60 | 75.1 | 69 | 60.6 | 51 | 7.53 | 11 | 0 |
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| 2005 | 74.4 | 6 | 83.3 | 3 | 65.5 | 9 | 6.82 | 15 | 0 |
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| 2004 | 71.6 | 24 | 79.4 | 29 | 63.8 | 23 | 4.57 | 33 | 0 |
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| 2003 | 68.2 | 57 | 75.8 | 63 | 60.5 | 54 | 6.47 | 19 | 0 |
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| 2002 | 72.5 | 17 | 80.7 | 16 | 64.3 | 19 | 3.17 | 48 | 0 |
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| 2001 | 67.8 | 60 | 76 | 58 | 59.6 | 61 | 1.96 | 60 | 0 |
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| 2000 | 67.1 | 69 | 74.8 | 71 | 59.5 | 63 | 5.44 | 25 | 0 |
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| 1999 | 68.5 | 52 | 75.8 | 63 | 61.2 | 47 | 11.95 | 2 | 0 |
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| 1998 | 75.8 | 2 | 84.4 | 2 | 67.3 | 3 | | | 0 |
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| 1997 | 73.3 | 10 | 82.5 | 7 | 64 | 22 | | | 0 |
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| 1996 | 69.3 | 46 | 76.7 | 53 | 61.9 | 42 | | | 0 |
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| 1995 | 72.2 | 20 | 79.9 | 21 | 64.4 | 16 | 4.98 | 27 | 0 |
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| 1994 | 67.8 | 60 | 76.5 | 55 | 59.2 | 69 | 3.18 | 47 | 0 |
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| 1993 | 69.1 | 47 | 77.6 | 42 | 60.7 | 50 | 5.25 | 26 | 0 |
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| 1992 | 68.6 | 51 | 76.7 | 53 | 60.6 | 51 | 7.45 | 12 | 0 |
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| 1991 | 71.5 | 27 | 79.5 | 27 | 63.6 | 26 | 3.43 | 45 | 0 |
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| 1990 | 70.9 | 34 | 79.4 | 29 | 62.4 | 39 | 1.66 | 64 | 0 |
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| 1989 | 69.1 | 47 | 77 | 49 | 61.2 | 47 | 4.61 | 31 | 0 |
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| 1988 | 67.7 | 65 | 76 | 58 | 59.4 | 65 | 2.24 | 55 | 0 |
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| 1987 | 68.1 | 58 | 76.4 | 56 | 59.9 | 57 | 7.19 | 14 | 0 |
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| 1986 | 71.1 | 30 | 79.7 | 24 | 62.6 | 36 | 0.85 | 67 | 0 |
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| 1985 | 70.2 | 38 | 79.8 | 22 | 60.6 | 51 | 6.82 | 15 | 0 |
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| 1984 | 65.7 | 73 | 74.7 | 72 | 56.7 | 73 | 2.10 | 59 | 0 |
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| 1983 | 72.1 | 21 | 81.5 | 11 | 62.7 | 33 | 1.87 | 61 | 0 |
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| 1982 | 70.9 | 34 | 78.5 | 37 | 63.3 | 29 | 3.28 | 46 | 0 |
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| 1981 | 67.8 | 60 | 75.9 | 60 | 59.6 | 61 | 4.02 | 36 | 0 |
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| 1980 | 71.6 | 24 | 80.2 | 18 | 63 | 31 | 1.75 | 62 | 0 |
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| 1979 | 70.2 | 38 | 77.7 | 40 | 62.7 | 33 | 11.31 | 3 | 0 |
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| 1978 | 68.4 | 53 | 76.9 | 50 | 59.9 | 57 | 2.25 | 54 | 0 |
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| 1977 | 71.1 | 30 | 78.6 | 34 | 63.6 | 26 | 4.36 | 35 | 0 |
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| 1976 | 69.7 | 43 | 77.5 | 44 | 61.9 | 42 | 12.48 | 1 | 0 |
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| 1975 | 67.4 | 68 | 75.1 | 69 | 59.7 | 60 | 9.92 | 6 | 0 |
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| 1974 | 65 | 74 | 74 | 73 | 56.1 | 74 | 6.01 | 20 | 0 |
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| 1973 | 72.3 | 19 | 80.8 | 14 | 63.8 | 23 | 5.50 | 24 | 0 |
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| 1972 | 69.5 | 45 | 77.7 | 40 | 61.3 | 46 | 1.73 | 63 | 0 |
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| 1971 | 72.7 | 15 | 79.1 | 31 | 66.2 | 6 | 6.61 | 18 | 0 |
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| 1970 | 73.6 | 9 | 82.7 | 5 | 64.6 | 12 | 0.42 | 68 | 0 |
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| 1969 | 71.1 | 30 | 79.6 | 26 | 62.6 | 36 | 3.69 | 41 | 0 |
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| 1968 | 72.8 | 12 | 81.8 | 9 | 63.8 | 23 | 5.82 | 21 | 0 |
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| 1967 | 69 | 49 | 77.8 | 39 | 60.1 | 55 | 0.07 | 70 | 0 |
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| 1966 | 67.6 | 66 | 75.2 | 68 | 60 | 56 | 8.28 | 10 | 0 |
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| 1965 | 70.4 | 37 | 78.7 | 33 | 62.1 | 41 | 3.73 | 40 | 0 |
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| 1964 | 68.1 | 58 | 76.8 | 52 | 59.4 | 65 | 3.84 | 39 | 0 |
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| 1963 | 66.9 | 70 | 76.2 | 57 | 57.5 | 72 | 4.50 | 34 | 0 |
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| 1962 | 67.6 | 66 | 75.7 | 66 | 59.4 | 65 | 4.84 | 29 | 0 |
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| 1961 | 73.8 | 7 | 82.3 | 8 | 65.3 | 11 | 0.93 | 66 | 0 |
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| 1960 | 69.7 | 43 | 77.1 | 47 | 62.3 | 40 | 6.65 | 17 | 0 |
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| 1959 | 74.5 | 5 | 82.7 | 5 | 66.4 | 5 | 2.22 | 56 | 0 |
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| 1958 | 66.6 | 71 | 75.5 | 67 | 57.6 | 71 | 2.18 | 57 | 0 |
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| 1957 | 70.7 | 36 | 77.9 | 38 | 63.5 | 28 | 8.63 | 9 | 0 |
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| 1956 | 67.8 | 60 | 75.9 | 60 | 59.8 | 59 | 3.68 | 42 | 0 |
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| 1955 | 68.4 | 53 | 75.9 | 60 | 60.8 | 49 | 2.87 | 50 | 0 |
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| 1954 | 72.7 | 15 | 80.8 | 14 | 64.6 | 12 | 2.13 | 58 | 0 |
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| 1953 | 68.3 | 56 | 77.1 | 47 | 59.4 | 65 | 3.85 | 38 | 0 |
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| 1952 | 68.4 | 53 | 77.3 | 45 | 59.5 | 63 | 4.93 | 28 | 0 |
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| 1951 | 70.1 | 40 | 78.6 | 34 | 61.5 | 44 | 4.64 | 30 | 0 |
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| 1950 | 66.1 | 72 | 73 | 74 | 59.2 | 69 | 8.72 | 8 | 0 |
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