Every 1 to 9 October in Alpena, MI from 1917 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 | 52.6 | 37 | 64 | 42 | 41.1 | 40 | 0.30 | 78 | 0 |
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| 2025 | 58.2 | 8 | 72.9 | 3 | 43.4 | 25 | 0.89 | 36 | 0 |
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| 2024 | 54.1 | 26 | 66.8 | 22 | 41.3 | 37 | 0.04 | 98 | 0 |
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| 2023 | 59.1 | 4 | 68.3 | 15 | 49.9 | 3 | 0.59 | 55 | 0 |
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| 2022 | 49.1 | 71 | 62.9 | 50 | 35.3 | 93 | 0.73 | 44 | 0 |
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| 2021 | 60.6 | 2 | 70.4 | 8 | 50.7 | 2 | 1.04 | 27 | 0 |
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| 2020 | 48.1 | 82 | 59.1 | 75 | 37 | 80 | 0.66 | 50 | 0 |
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| 2019 | 51.3 | 52 | 62.2 | 54 | 40.4 | 48 | 0.88 | 38 | 0 |
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| 2018 | 53.6 | 31 | 64 | 42 | 43.1 | 28 | 2.54 | 3 | 0 |
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| 2017 | 59.7 | 3 | 73 | 2 | 46.3 | 9 | 0.64 | 51 | 0 |
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| 2016 | 58 | 10 | 66.2 | 26 | 49.8 | 4 | 1.56 | 14 | 0 |
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| 2015 | 51.1 | 53 | 58.2 | 80 | 43.9 | 21 | 0.28 | 80 | 0 |
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| 2014 | 50.1 | 61 | 56.3 | 91 | 43.8 | 23 | 0.89 | 36 | 0 |
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| 2013 | 55.6 | 16 | 66.9 | 21 | 44.2 | 19 | 2.36 | 4 | 0 |
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| 2012 | 50.3 | 60 | 61.7 | 57 | 39 | 60 | 0.27 | 82 | 0 |
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| 2011 | 55.8 | 14 | 70 | 10 | 41.7 | 36 | 0.00 | 108 | 0 |
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| 2010 | 50.1 | 61 | 62.9 | 50 | 37.3 | 78 | 0.01 | 104 | 0 |
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| 2009 | 47.1 | 88 | 54.7 | 102 | 39.6 | 54 | 1.84 | 10 | 0 |
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| 2008 | 46.4 | 92 | 56.3 | 91 | 36.6 | 84 | 0.51 | 61 | 0 |
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| 2007 | 63.7 | 1 | 76.3 | 1 | 51 | 1 | 0.02 | 102 | 0 |
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| 2006 | 50.8 | 54 | 64.7 | 37 | 36.9 | 82 | 1.22 | 19 | 0 |
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| 2005 | 58.5 | 7 | 69.8 | 11 | 47.2 | 6 | 0.16 | 89 | 0 |
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| 2004 | 53.2 | 33 | 65.4 | 30 | 41 | 41 | 0.98 | 30 | 0 |
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| 2003 | 45.6 | 96 | 57.7 | 84 | 33.4 | 102 | 0.36 | 72 | 0 |
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| 2002 | 51.8 | 48 | 61.8 | 56 | 41.8 | 35 | 1.24 | 18 | 0 |
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| 2001 | 49.8 | 67 | 60.9 | 65 | 38.7 | 64 | 0.29 | 79 | 0 |
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| 2000 | 48.8 | 74 | 58.3 | 79 | 39.2 | 58 | 0.77 | 42 | 0 |
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| 1999 | 45.2 | 100 | 55.7 | 98 | 34.8 | 97 | 0.16 | 89 | 0 |
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| 1998 | 46.8 | 90 | 56.8 | 88 | 36.8 | 83 | 3.64 | 1 | 0 |
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| 1997 | 57.4 | 11 | 70.7 | 6 | 44.2 | 19 | 0.58 | 58 | 0 |
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| 1996 | 48 | 84 | 59.7 | 72 | 36.3 | 86 | trace | 105 | 0 |
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| 1995 | 50.7 | 58 | 57.9 | 83 | 43.4 | 25 | 0.62 | 53 | 0 |
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| 1994 | 49.6 | 69 | 60.8 | 66 | 38.4 | 65 | 0.78 | 40 | 0 |
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| 1993 | 45.9 | 94 | 57.2 | 86 | 34.7 | 98 | 0.44 | 64 | 0 |
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| 1992 | 52.2 | 45 | 66.3 | 25 | 38 | 70 | 0.78 | 40 | 0 |
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| 1991 | 50 | 65 | 59.4 | 73 | 40.6 | 45 | 2.08 | 6 | 0 |
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| 1990 | 50.1 | 61 | 61.2 | 62 | 38.9 | 62 | 1.03 | 28 | 0 |
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| 1989 | 43.9 | 103 | 54.9 | 100 | 32.9 | 104 | 0.32 | 77 | 0 |
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| 1988 | 46.1 | 93 | 56.1 | 94 | 36 | 89 | 1.14 | 25 | 0 |
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| 1987 | 45.6 | 96 | 53.7 | 103 | 37.6 | 74 | 0.69 | 47 | 0 |
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| 1986 | 48.4 | 77 | 58.9 | 76 | 37.9 | 72 | 2.00 | 7 | 0 |
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| 1985 | 48.3 | 80 | 57.6 | 85 | 39 | 60 | 0.42 | 67 | 0 |
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| 1984 | 47.9 | 85 | 58.9 | 76 | 37 | 80 | 0.28 | 80 | 0 |
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| 1983 | 51.7 | 51 | 61.2 | 62 | 42.1 | 33 | 1.92 | 9 | 0 |
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| 1982 | 53.9 | 28 | 64.9 | 35 | 42.9 | 31 | 0.49 | 62 | 0 |
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| 1981 | 42.2 | 107 | 50.7 | 108 | 33.8 | 100 | 2.10 | 5 | 0 |
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| 1980 | 47.2 | 86 | 56.1 | 94 | 38.3 | 67 | 0.59 | 55 | 0 |
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| 1979 | 47.2 | 86 | 54.9 | 100 | 39.4 | 56 | 1.18 | 23 | 0 |
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| 1978 | 48.9 | 72 | 58.1 | 81 | 39.7 | 52 | 0.68 | 48 | 0 |
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| 1977 | 48.2 | 81 | 55.8 | 97 | 40.7 | 43 | 0.93 | 31 | 0 |
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| 1976 | 49.8 | 67 | 64.2 | 41 | 35.3 | 93 | 0.82 | 39 | 0 |
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| 1975 | 48.8 | 74 | 61.6 | 59 | 36 | 89 | 0.22 | 87 | 0 |
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| 1974 | 42.4 | 106 | 51.4 | 104 | 33.3 | 103 | 0.58 | 58 | 0 |
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| 1973 | 55.3 | 20 | 65 | 34 | 45.7 | 12 | 0.72 | 45 | 0 |
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| 1972 | 50.8 | 54 | 60.4 | 68 | 41.2 | 39 | 0.13 | 93 | 0 |
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| 1971 | 56.1 | 13 | 66.8 | 22 | 45.4 | 13 | 0.44 | 64 | 0 |
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| 1970 | 54.5 | 24 | 65.7 | 29 | 43.3 | 27 | 0.33 | 75 | 0 |
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| 1969 | 51.8 | 48 | 63.2 | 49 | 40.3 | 49 | 0.58 | 58 | 0 |
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| 1968 | 51.8 | 48 | 59.8 | 70 | 43.9 | 21 | 1.22 | 19 | 0 |
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| 1967 | 52.6 | 37 | 63.9 | 45 | 41.3 | 37 | 0.68 | 48 | 0 |
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| 1966 | 52.6 | 37 | 64.3 | 40 | 40.8 | 42 | 0.59 | 55 | 0 |
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| 1965 | 45.9 | 94 | 55.7 | 98 | 36.1 | 88 | 0.62 | 53 | 0 |
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| 1964 | 45.6 | 96 | 56.3 | 91 | 34.9 | 96 | 0.72 | 45 | 0 |
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| 1963 | 53.9 | 28 | 69.8 | 11 | 38 | 70 | 0.38 | 70 | 0 |
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| 1962 | 54.1 | 26 | 63.4 | 48 | 44.8 | 16 | 0.48 | 63 | 0 |
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| 1961 | 52.3 | 42 | 67 | 20 | 37.6 | 74 | 0.12 | 95 | 0 |
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| 1960 | 48.7 | 76 | 63.7 | 47 | 33.7 | 101 | 0.76 | 43 | 0 |
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| 1959 | 53.4 | 32 | 61 | 64 | 45.9 | 10 | 1.60 | 13 | 0 |
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| 1958 | | | | | | | 1.95 | 8 | 4 |
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| 1957 | 48.4 | 77 | 64.6 | 38 | 32.3 | 107 | 0.00 | 108 | 0 |
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| 1956 | | | | | | | 0.35 | 74 | 4 |
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| 1955 | 55.6 | 16 | 67.4 | 18 | 43.7 | 24 | 0.92 | 33 | 0 |
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| 1954 | 52.3 | 42 | 62.8 | 52 | 41.9 | 34 | 1.42 | 16 | 0 |
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| 1953 | 52.1 | 46 | 66.8 | 22 | 37.4 | 76 | 0.15 | 92 | 0 |
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| 1952 | 45.4 | 99 | 56.7 | 90 | 34.1 | 99 | 0.04 | 98 | 0 |
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| 1951 | 52.6 | 37 | 59.3 | 74 | 45.8 | 11 | 2.59 | 2 | 0 |
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| 1950 | 52.9 | 35 | 66.2 | 26 | 39.7 | 52 | 0.24 | 85 | 0 |
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| 1949 | 58.8 | 5 | 72.6 | 4 | 45 | 15 | 0.99 | 29 | 0 |
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| 1948 | 50.1 | 61 | 62.7 | 53 | 37.4 | 76 | 0.36 | 72 | 0 |
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| 1947 | 56.3 | 12 | 69.6 | 14 | 43 | 29 | trace | 105 | 0 |
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| 1946 | 54.5 | 24 | 70.7 | 6 | 38.3 | 67 | 0.00 | 108 | 0 |
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| 1945 | 46.6 | 91 | 57 | 87 | 36.2 | 87 | 1.65 | 12 | 0 |
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| 1944 | 52 | 47 | 61.4 | 60 | 42.6 | 32 | 1.20 | 22 | 0 |
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| 1943 | 53.1 | 34 | 68.3 | 15 | 37.9 | 72 | 0.03 | 100 | 0 |
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| 1942 | 53.9 | 28 | 67.2 | 19 | 40.7 | 43 | 0.19 | 88 | 0 |
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| 1941 | 55.8 | 14 | 64.8 | 36 | 46.8 | 8 | 0.93 | 31 | 0 |
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| 1940 | 54.9 | 21 | 65.4 | 30 | 44.4 | 17 | 0.33 | 75 | 0 |
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| 1939 | 54.7 | 23 | 69.8 | 11 | 39.6 | 54 | 0.23 | 86 | 0 |
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| 1938 | 48.4 | 77 | 61.7 | 57 | 35.2 | 95 | 0.16 | 89 | 0 |
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| 1937 | 49.2 | 70 | 58.1 | 81 | 40.3 | 49 | 0.25 | 84 | 0 |
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| 1936 | 50.8 | 54 | 64.4 | 39 | 37.2 | 79 | 0.39 | 68 | 0 |
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| 1935 | 41.8 | 108 | 51.1 | 106 | 32.6 | 106 | 0.43 | 66 | 0 |
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| 1934 | 48.9 | 72 | 58.7 | 78 | 39.2 | 58 | 0.03 | 100 | 0 |
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| 1933 | 50.6 | 59 | 60.6 | 67 | 40.6 | 45 | 1.22 | 19 | 0 |
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| 1932 | 52.3 | 42 | 64 | 42 | 40.6 | 45 | 1.71 | 11 | 0 |
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| 1931 | 58.2 | 8 | 71.2 | 5 | 45.2 | 14 | 0.37 | 71 | 0 |
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| 1930 | 48.1 | 82 | 60.2 | 69 | 36 | 89 | 0.63 | 52 | 0 |
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| 1929 | 44.8 | 101 | 56.8 | 88 | 32.8 | 105 | 0.12 | 95 | 0 |
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| 1928 | 55.4 | 18 | 67.9 | 17 | 43 | 29 | 0.39 | 68 | 0 |
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| 1927 | 55.4 | 18 | 63.9 | 45 | 46.9 | 7 | 1.49 | 15 | 0 |
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| 1926 | 50.8 | 54 | 62.1 | 55 | 39.4 | 56 | 0.07 | 97 | 0 |
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| 1925 | 43.9 | 103 | 51.4 | 104 | 36.4 | 85 | 0.27 | 82 | 0 |
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| 1924 | 52.4 | 41 | 66.1 | 28 | 38.8 | 63 | 0.13 | 93 | 0 |
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| 1923 | 44.5 | 102 | 59.8 | 70 | 29.2 | 108 | trace | 105 | 0 |
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| 1922 | 58.8 | 5 | 70.3 | 9 | 47.3 | 5 | 1.31 | 17 | 0 |
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| 1921 | 47.1 | 88 | 56 | 96 | 38.1 | 69 | 1.05 | 26 | 0 |
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| 1920 | 52.7 | 36 | 65.4 | 30 | 40 | 51 | 0.02 | 102 | 0 |
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| 1919 | 54.9 | 21 | 65.3 | 33 | 44.4 | 17 | 0.92 | 33 | 0 |
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| 1918 | 49.9 | 66 | 61.4 | 60 | 38.4 | 65 | 0.91 | 35 | 0 |
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| 1917 | 43.4 | 105 | 51.1 | 106 | 35.7 | 92 | 1.18 | 23 | 0 |
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