Every 1 to 10 October in Challis, ID from 1914 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 | 59.2 | 2 | 78.8 | 2 | 39.5 | 8 | trace | 72 | 0 |
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| 2025 | 51.3 | 43 | 65 | 54 | 37.5 | 20 | 0.24 | 29 | 0 |
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| 2024 | 56.9 | 7 | 77.2 | 5 | 36.5 | 37 | 0.00 | 82 | 0 |
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| 2023 | 53 | 31 | 67.6 | 45 | 38.3 | 13 | 0.19 | 36 | 0 |
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| 2022 | 54.6 | 21 | 72.2 | 19 | 36.9 | 31 | 0.01 | 68 | 0 |
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| 2021 | 53.7 | 25 | 69.5 | 35 | 37.9 | 15 | 0.37 | 19 | 0 |
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| 2020 | 57.9 | 4 | 78.3 | 3 | 37.4 | 21 | 0.01 | 68 | 0 |
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| 2019 | 38.8 | 100 | 50.4 | 101 | 27.2 | 102 | 0.54 | 10 | 0 |
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| 2018 | 49.8 | 57 | 60.6 | 76 | 39 | 11 | 0.49 | 17 | 0 |
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| 2017 | 41.1 | 96 | 53.4 | 96 | 28.8 | 98 | 0.14 | 44 | 0 |
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| 2016 | 46.9 | 76 | 58.3 | 85 | 35.4 | 47 | 0.74 | 6 | 0 |
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| 2015 | 56 | 10 | 70.9 | 24 | 41 | 3 | 0.53 | 11 | 0 |
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| 2014 | 53 | 31 | 70.2 | 28 | 35.8 | 43 | trace | 72 | 0 |
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| 2013 | 42.1 | 95 | 55.7 | 93 | 28.4 | 99 | 0.20 | 34 | 0 |
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| 2012 | 45.9 | 83 | 64.8 | 56 | 27 | 103 | 0.00 | 82 | 0 |
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| 2011 | 51 | 44 | 62.9 | 67 | 39.1 | 10 | 0.62 | 8 | 0 |
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| 2010 | 55.3 | 16 | 69.2 | 37 | 41.3 | 2 | 0.29 | 26 | 0 |
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| 2009 | 38.7 | 101 | 50.9 | 99 | 26.4 | 104 | 0.04 | 63 | 0 |
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| 2008 | 49.3 | 61 | 62.1 | 69 | 36.5 | 37 | 0.16 | 41 | 0 |
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| 2007 | 44.6 | 87 | 58.5 | 83 | 30.6 | 90 | 0.08 | 55 | 0 |
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| 2006 | 47.9 | 69 | 59.9 | 77 | 35.9 | 42 | 1.94 | 1 | 0 |
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| 2005 | 44.8 | 86 | 57.7 | 87 | 31.9 | 79 | 0.53 | 11 | 0 |
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| 2004 | 53.5 | 28 | 70 | 31 | 37 | 28 | trace | 72 | 0 |
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| 2003 | 56.2 | 9 | 72.9 | 16 | 39.5 | 8 | trace | 72 | 0 |
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| 2002 | 47.3 | 74 | 63.8 | 62 | 30.7 | 88 | trace | 72 | 0 |
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| 2001 | 49.2 | 62 | 65.7 | 50 | 32.6 | 75 | 0.01 | 68 | 0 |
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| 2000 | 47.5 | 72 | 64.3 | 60 | 30.7 | 88 | 0.10 | 49 | 0 |
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| 1999 | 51.7 | 40 | 69.2 | 37 | 34.1 | 59 | trace | 72 | 0 |
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| 1998 | 46.5 | 77 | 61.9 | 70 | 31.1 | 82 | 0.09 | 51 | 0 |
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| 1995 | 45.7 | 84 | 58.7 | 82 | 32.7 | 74 | 0.13 | 47 | 0 |
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| 1994 | | | | | 34.5 | 55 | 0.19 | 36 | 2 |
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| 1993 | | | | | 37.1 | 25 | 0.18 | 39 | 2 |
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| 1992 | 50.4 | 48 | 64.2 | 61 | 37.8 | 16 | 0.61 | 9 | 1 |
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| 1991 | | | | | 35.8 | 43 | 0.00 | 82 | 2 |
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| 1990 | 50.7 | 46 | 64.4 | 58 | 37 | 28 | 0.24 | 29 | 0 |
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| 1989 | 50.1 | 53 | 62.6 | 68 | 37.6 | 19 | 0.28 | 28 | 0 |
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| 1988 | 59 | 3 | 78.2 | 4 | 39.8 | 6 | 0.00 | 82 | 0 |
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| 1987 | 55.4 | 13 | 74.1 | 12 | 36.7 | 35 | 0.00 | 82 | 0 |
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| 1986 | 48.1 | 68 | 61.3 | 73 | 34.8 | 53 | 0.24 | 29 | 0 |
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| 1985 | 42.2 | 94 | 57 | 92 | 28 | 101 | 0.10 | 49 | 1 |
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| 1984 | 54.1 | 23 | 71.3 | 22 | 36.8 | 34 | 0.00 | 82 | 0 |
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| 1983 | 49.8 | 57 | 61.8 | 71 | 37.8 | 16 | 0.51 | 16 | 0 |
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| 1982 | | | 50.8 | 100 | | | 0.20 | 34 | 2 |
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| 1981 | 43.2 | 91 | 57.3 | 90 | 29.1 | 97 | | | 0 |
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| 1980 | 55.4 | 13 | 73.6 | 13 | 37.1 | 25 | 0.00 | 82 | 0 |
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| 1979 | 57.4 | 5 | 76.7 | 6 | 38.1 | 14 | 0.00 | 82 | 0 |
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| 1978 | 52.1 | 38 | 70.6 | 27 | 33.5 | 65 | 0.00 | 82 | 0 |
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| 1977 | 43.8 | 88 | 57.6 | 88 | 29.9 | 92 | 0.09 | 51 | 0 |
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| 1976 | 50.4 | 48 | 66.5 | 46 | 34.2 | 56 | 0.00 | 82 | 0 |
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| 1975 | 50.2 | 52 | 65.5 | 51 | 34.9 | 52 | 0.66 | 7 | 0 |
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| 1974 | 47.4 | 73 | 63.7 | 64 | 31 | 85 | 0.18 | 39 | 0 |
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| 1973 | 47.2 | 75 | 63.4 | 65 | 30.8 | 86 | 0.06 | 57 | 1 |
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| 1972 | 54.9 | 18 | 71.4 | 21 | 38.4 | 12 | 0.00 | 82 | 0 |
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| 1971 | 52.9 | 34 | 69.6 | 34 | 36.1 | 41 | 0.03 | 65 | 0 |
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| 1970 | 49.9 | 56 | 65.9 | 47 | 33.8 | 62 | 0.05 | 59 | 0 |
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| 1969 | 46.4 | 79 | 59.3 | 79 | 33.4 | 66 | 0.05 | 59 | 0 |
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| 1968 | 48.3 | 67 | 63.8 | 62 | 32.8 | 73 | trace | 72 | 0 |
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| 1967 | 49.2 | 62 | 61.6 | 72 | 36.7 | 35 | 1.19 | 2 | 0 |
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| 1966 | 51.6 | 41 | 68.9 | 39 | 34.2 | 56 | 0.06 | 57 | 0 |
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| 1965 | 56.8 | 8 | 76.6 | 8 | 36.9 | 31 | 0.00 | 82 | 0 |
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| 1964 | 53.5 | 28 | 73.1 | 15 | 33.8 | 62 | 0.04 | 63 | 0 |
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| 1963 | 60.4 | 1 | 75.8 | 9 | 45 | 1 | 0.24 | 29 | 0 |
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| 1962 | 52.9 | 34 | 68.9 | 39 | 36.9 | 31 | 0.05 | 59 | 0 |
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| 1961 | 47.8 | 70 | 65.2 | 53 | 30.4 | 91 | trace | 72 | 0 |
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| 1960 | 54.2 | 22 | 71.2 | 23 | 37.1 | 25 | 0.01 | 68 | 0 |
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| 1959 | 46.3 | 81 | 60.8 | 75 | 31.8 | 80 | 0.15 | 43 | 0 |
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| 1958 | 53.6 | 26 | 70.2 | 28 | 37.2 | 23 | 0.00 | 82 | 1 |
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| 1957 | 46 | 82 | 58.9 | 81 | 33.1 | 68 | 0.53 | 11 | 0 |
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| 1956 | 53.4 | 30 | 70 | 31 | 37 | 28 | 0.34 | 22 | 1 |
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| 1955 | 52.9 | 34 | 69.3 | 36 | 36.4 | 40 | 0.14 | 44 | 0 |
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| 1954 | 50.3 | 51 | 67.7 | 44 | 32.9 | 71 | 0.00 | 82 | 0 |
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| 1953 | 53.6 | 26 | 73.6 | 13 | 33.7 | 64 | 0.00 | 82 | 1 |
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| 1952 | 55.6 | 12 | 75.3 | 10 | 35.8 | 43 | 0.00 | 82 | 0 |
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| 1951 | 50.6 | 47 | 65.8 | 49 | 35.3 | 48 | 0.19 | 36 | 0 |
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| 1950 | 47.6 | 71 | 61.2 | 74 | 34 | 60 | 0.14 | 44 | 0 |
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| 1949 | | | | | | | 0.31 | 24 | 2 |
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| 1948 | 49.7 | 59 | 64.6 | 57 | 34.7 | 54 | trace | 72 | 0 |
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| 1947 | 54.8 | 19 | 68.8 | 41 | 40.2 | 4 | 0.00 | 82 | 1 |
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| 1946 | 41.1 | 96 | 53 | 97 | 30.8 | 86 | 0.53 | 11 | 1 |
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| 1945 | 56 | 10 | 76.7 | 6 | 35.2 | 49 | 0.00 | 82 | 0 |
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| 1944 | 51.5 | 42 | 69.8 | 33 | 33.1 | 68 | 0.00 | 82 | 0 |
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| 1943 | 57.2 | 6 | 74.5 | 11 | 39.8 | 6 | 0.33 | 23 | 0 |
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| 1942 | 54.7 | 20 | 72.8 | 17 | 36.5 | 37 | 0.03 | 65 | 0 |
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| 1941 | 43.1 | 92 | 55 | 95 | 31.1 | 82 | 0.36 | 20 | 0 |
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| 1940 | 46.5 | 77 | 59 | 80 | 33.9 | 61 | | | 0 |
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| 1939 | 48.5 | 66 | 59.7 | 78 | 37.2 | 23 | 0.08 | 55 | 0 |
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| 1938 | | | | | | | | | 3 |
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| 1937 | 49.7 | 59 | 68.3 | 42 | 31.1 | 82 | 0.00 | 82 | 0 |
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| 1936 | 52.5 | 37 | 72 | 20 | 33 | 70 | 0.00 | 82 | 0 |
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| 1935 | 53 | 31 | 70.7 | 25 | 35.2 | 49 | 0.09 | 51 | 0 |
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| 1934 | 55.4 | 13 | 70.7 | 25 | 40 | 5 | trace | 72 | 0 |
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| 1933 | | | | | | | | | 2 |
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| 1932 | | | | | | | 0.30 | 25 | 2 |
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| 1931 | 43.4 | 89 | 57.2 | 91 | 29.6 | 94 | 0.00 | 82 | 0 |
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| 1930 | 50.4 | 48 | 63.4 | 65 | 37.3 | 22 | 0.76 | 5 | 0 |
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| 1929 | | | | | | | 0.22 | 33 | 2 |
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| 1928 | | | | | | | 0.02 | 67 | 2 |
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| 1927 | 55.3 | 16 | 81.3 | 1 | 29.2 | 96 | 0.36 | 20 | 0 |
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| 1926 | 48.8 | 65 | 65.5 | 51 | 32 | 78 | 0.00 | 82 | 0 |
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| 1925 | 45.6 | 85 | 58.2 | 86 | 32.9 | 71 | 0.52 | 15 | 0 |
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| 1924 | 40 | 98 | 49 | 102 | 32.1 | 76 | 0.11 | 48 | 1 |
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| 1923 | 46.4 | 79 | 58.5 | 83 | 34.2 | 56 | 0.95 | 4 | 0 |
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| 1922 | 50.1 | 53 | 68.1 | 43 | 32.1 | 76 | 0.00 | 82 | 0 |
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| 1921 | 50.8 | 45 | 70.2 | 28 | 31.3 | 81 | 0.00 | 82 | 0 |
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| 1920 | 51.8 | 39 | 65.9 | 47 | 37.7 | 18 | 0.16 | 41 | 0 |
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| 1919 | 42.4 | 93 | 55.2 | 94 | 29.5 | 95 | 0.09 | 51 | 0 |
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| 1918 | 50 | 55 | 64.4 | 58 | 35.5 | 46 | 0.05 | 59 | 0 |
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| 1917 | 53.8 | 24 | 72.3 | 18 | 35.2 | 49 | 0.00 | 82 | 0 |
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| 1916 | 39.7 | 99 | 51.2 | 98 | 28.1 | 100 | 0.29 | 26 | 0 |
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| 1915 | 49.1 | 64 | 64.9 | 55 | 33.2 | 67 | 1.11 | 3 | 0 |
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| 1914 | 43.4 | 89 | 57.6 | 88 | 29.7 | 93 | 0.42 | 18 | 1 |
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