Every 1 to 9 October in Grand Forks, ND from 1941 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 | 53.2 | 22 | 68.2 | 15 | 38.1 | 44 | 0.00 | 80 | 0 |
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| 2025 | 59.4 | 5 | 72.6 | 6 | 46.2 | 4 | 0.29 | 34 | 0 |
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| 2024 | 55.9 | 10 | 69.9 | 12 | 41.9 | 10 | 0.00 | 80 | 0 |
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| 2023 | 55.8 | 11 | 66 | 22 | 45.6 | 5 | 0.88 | 19 | 0 |
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| 2022 | 53.3 | 21 | 67 | 18 | 39.7 | 30 | 0.08 | 56 | 0 |
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| 2021 | 62.7 | 2 | 75.4 | 3 | 50 | 2 | 1.64 | 7 | 0 |
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| 2020 | 48.9 | 42 | 63.7 | 28 | 34.2 | 63 | trace | 75 | 0 |
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| 2019 | 46.9 | 53 | 54 | 74 | 39.9 | 27 | 1.30 | 15 | 0 |
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| 2018 | 39.7 | 83 | 45.8 | 85 | 33.7 | 67 | 1.71 | 6 | 0 |
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| 2017 | 51.4 | 29 | 62.2 | 33 | 40.7 | 19 | 0.08 | 56 | 0 |
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| 2016 | 52.7 | 23 | 62 | 37 | 43.3 | 8 | 0.86 | 20 | 0 |
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| 2015 | 49.8 | 35 | 61.4 | 38 | 38.2 | 42 | 0.22 | 39 | 0 |
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| 2014 | 45.5 | 67 | 55.4 | 66 | 35.6 | 55 | 0.12 | 51 | 0 |
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| 2013 | 49.4 | 37 | 60.3 | 42 | 38.4 | 40 | 0.77 | 25 | 0 |
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| 2012 | 44.1 | 73 | 53.2 | 76 | 34.9 | 56 | 0.59 | 28 | 0 |
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| 2011 | 64.3 | 1 | 77.8 | 2 | 50.9 | 1 | 0.12 | 51 | 0 |
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| 2010 | 56.1 | 8 | 71.1 | 9 | 41.1 | 15 | 0.16 | 47 | 0 |
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| 2009 | 43.3 | 76 | 50 | 82 | 36.7 | 52 | 1.40 | 10 | 0 |
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| 2008 | 51.2 | 30 | 62.6 | 31 | 39.9 | 27 | 1.53 | 9 | 0 |
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| 2007 | 51.6 | 28 | 62.1 | 36 | 41 | 16 | 1.99 | 3 | 0 |
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| 2006 | 53.8 | 18 | 68.2 | 15 | 39.3 | 34 | 0.02 | 69 | 0 |
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| 2005 | 46.8 | 54 | 55.3 | 68 | 38.3 | 41 | 2.09 | 2 | 0 |
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| 2004 | 49.4 | 37 | 65.6 | 23 | 33.3 | 71 | 0.03 | 68 | 0 |
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| 2003 | 55.2 | 15 | 71.1 | 9 | 39.3 | 34 | 0.00 | 80 | 0 |
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| 2002 | 40.6 | 80 | 49.7 | 83 | 31.4 | 77 | 0.23 | 38 | 0 |
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| 2001 | 46.3 | 60 | 59 | 49 | 33.6 | 69 | 0.07 | 58 | 0 |
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| 2000 | 38.8 | 84 | 51.1 | 81 | 26.6 | 84 | 0.17 | 43 | 0 |
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| 1999 | 40.8 | 79 | 53.8 | 75 | 27.9 | 82 | 0.02 | 69 | 0 |
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| 1998 | 47.8 | 45 | 59.2 | 47 | 36.4 | 53 | 1.82 | 4 | 0 |
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| 1996 | 46.8 | 54 | 59 | 49 | 34.6 | 57 | 0.06 | 62 | 0 |
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| 1995 | 47.5 | 49 | 55.1 | 69 | 39.9 | 27 | 1.38 | 11 | 0 |
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| 1994 | 49.1 | 41 | 56.4 | 60 | 41.7 | 11 | 1.54 | 8 | 0 |
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| 1993 | 44 | 75 | 58.2 | 52 | 29.8 | 80 | 0.21 | 40 | 0 |
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| 1992 | 54.8 | 16 | 69.3 | 14 | 40.3 | 24 | trace | 75 | 0 |
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| 1991 | 46.3 | 60 | 58 | 55 | 34.6 | 57 | 0.05 | 63 | 0 |
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| 1990 | 47 | 51 | 60.4 | 41 | 33.6 | 69 | 0.05 | 63 | 0 |
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| 1989 | 40.6 | 80 | 55.6 | 64 | 25.7 | 85 | 0.17 | 43 | 0 |
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| 1988 | 46.2 | 63 | 62.4 | 32 | 29.9 | 79 | 0.02 | 69 | 0 |
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| 1987 | 44.7 | 68 | 57 | 56 | 32.4 | 75 | 0.09 | 54 | 0 |
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| 1986 | 44.2 | 72 | 55.7 | 63 | 32.8 | 74 | 0.27 | 36 | 0 |
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| 1985 | 38.4 | 85 | 47.2 | 84 | 29.7 | 81 | 1.34 | 12 | 0 |
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| 1984 | 56.1 | 8 | 70.8 | 11 | 41.4 | 12 | 0.28 | 35 | 0 |
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| 1983 | 45.8 | 66 | 54.2 | 73 | 37.4 | 47 | 1.04 | 18 | 0 |
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| 1982 | 46.1 | 64 | 51.4 | 80 | 40.7 | 19 | 4.10 | 1 | 0 |
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| 1981 | 48.7 | 43 | 56.9 | 57 | 40.4 | 23 | 1.06 | 17 | 0 |
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| 1980 | 54 | 17 | 67.3 | 17 | 40.7 | 19 | 0.01 | 74 | 0 |
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| 1979 | 46.7 | 57 | 59.1 | 48 | 34.3 | 60 | 0.07 | 58 | 0 |
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| 1978 | 49.5 | 36 | 59.3 | 45 | 39.7 | 30 | 0.15 | 49 | 0 |
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| 1977 | 44.5 | 70 | 54.7 | 71 | 34.3 | 60 | 1.33 | 14 | 0 |
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| 1976 | 47 | 51 | 60.9 | 40 | 33.1 | 72 | 0.32 | 33 | 0 |
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| 1975 | 56.3 | 7 | 74 | 5 | 38.6 | 39 | 0.80 | 24 | 0 |
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| 1974 | 42.4 | 78 | 54.6 | 72 | 30.2 | 78 | 0.72 | 26 | 0 |
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| 1973 | 57 | 6 | 66.9 | 19 | 47.1 | 3 | 0.83 | 22 | 0 |
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| 1972 | 49.2 | 40 | 62.2 | 33 | 36.2 | 54 | 0.21 | 40 | 0 |
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| 1971 | 51 | 32 | 59 | 49 | 43 | 9 | 0.85 | 21 | 0 |
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| 1970 | 47.6 | 48 | 58.1 | 53 | 37 | 50 | trace | 75 | 0 |
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| 1969 | 47.7 | 46 | 54.8 | 70 | 40.6 | 22 | 0.44 | 30 | 0 |
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| 1968 | 44.3 | 71 | 55.6 | 64 | 33 | 73 | 0.17 | 43 | 0 |
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| 1967 | 48.1 | 44 | 56.1 | 61 | 40.1 | 26 | 0.54 | 29 | 0 |
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| 1966 | 50.6 | 34 | 63.3 | 30 | 37.9 | 45 | 0.02 | 69 | 0 |
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| 1965 | 46.1 | 64 | 58.1 | 53 | 34.1 | 64 | 0.13 | 50 | 0 |
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| 1964 | 43 | 77 | 51.6 | 79 | 34.4 | 59 | 0.16 | 47 | 0 |
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| 1963 | 60.2 | 3 | 75 | 4 | 45.4 | 6 | trace | 75 | 0 |
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| 1962 | 55.3 | 14 | 69.4 | 13 | 41.2 | 13 | 0.05 | 63 | 0 |
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| 1961 | 51.1 | 31 | 64.3 | 27 | 37.8 | 46 | 0.07 | 58 | 0 |
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| 1960 | 55.7 | 12 | 71.8 | 7 | 39.6 | 32 | 0.00 | 80 | 0 |
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| 1959 | 46.7 | 57 | 59.3 | 45 | 34 | 65 | 1.72 | 5 | 0 |
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| 1958 | 47.7 | 46 | 61.1 | 39 | 34.3 | 60 | 0.82 | 23 | 0 |
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| 1957 | 53.4 | 20 | 62.2 | 33 | 44.7 | 7 | 1.34 | 12 | 0 |
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| 1956 | 49.3 | 39 | 64.7 | 26 | 34 | 65 | trace | 75 | 0 |
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| 1955 | 52.2 | 25 | 65.1 | 24 | 39.2 | 36 | 0.35 | 32 | 0 |
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| 1954 | 44.1 | 73 | 56.7 | 58 | 31.6 | 76 | 0.19 | 42 | 0 |
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| 1953 | 52.6 | 24 | 66.3 | 21 | 38.8 | 37 | 0.00 | 80 | 0 |
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| 1952 | 40.4 | 82 | 53.2 | 76 | 27.6 | 83 | 0.02 | 69 | 0 |
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| 1951 | 50.8 | 33 | 60.3 | 42 | 41.2 | 13 | 0.09 | 54 | 0 |
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| 1950 | 44.7 | 68 | 52.2 | 78 | 37.2 | 48 | 0.38 | 31 | 0 |
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| 1949 | 51.7 | 27 | 64.8 | 25 | 38.7 | 38 | 0.27 | 36 | 0 |
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| 1948 | 52.2 | 25 | 63.7 | 28 | 40.8 | 18 | 0.17 | 43 | 0 |
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| 1947 | 53.7 | 19 | 66.4 | 20 | 41 | 16 | 0.04 | 67 | 0 |
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| 1946 | 46.7 | 57 | 56.6 | 59 | 36.9 | 51 | 1.23 | 16 | 0 |
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| 1945 | 46.8 | 54 | 59.9 | 44 | 33.7 | 67 | 0.12 | 51 | 0 |
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| 1944 | 46.3 | 60 | 55.4 | 66 | 37.1 | 49 | 0.07 | 58 | 0 |
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| 1943 | 59.6 | 4 | 78.9 | 1 | 40.2 | 25 | 0.00 | 80 | 0 |
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| 1942 | 55.6 | 13 | 71.7 | 8 | 39.6 | 32 | 0.05 | 63 | 0 |
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| 1941 | 47.1 | 50 | 56 | 62 | 38.2 | 42 | 0.70 | 27 | 0 |
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