Every March in Mcgrath, AK from 1940 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 | -4.2 | 83 | 12.2 | 77 | -20.5 | 84 | | | 0 |
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| 2025 | 15.4 | 21 | 28 | 22 | 2.8 | 24 | | | 0 |
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| 2024 | 15.8 | 18 | 25.4 | 34 | 6.2 | 9 | | | 0 |
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| 2023 | 12.2 | 36 | 24 | 38 | 0.4 | 33 | | | 0 |
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| 2022 | 14.6 | 24 | 27.5 | 25 | 1.7 | 26 | | | 0 |
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| 2021 | 7.8 | 53 | 19.6 | 62 | -4.1 | 47 | | | 0 |
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| 2020 | 9.6 | 45 | 21.1 | 54 | -1.9 | 41 | | | 0 |
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| 2019 | 27.2 | 1 | 36.1 | 2 | 18.4 | 2 | | | 0 |
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| 2018 | 18.2 | 9 | 29.3 | 14 | 7.2 | 7 | | | 0 |
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| 2017 | 2.7 | 72 | 18.7 | 69 | -13.3 | 74 | | | 0 |
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| 2016 | 17.2 | 13 | 28.9 | 16 | 5.4 | 12 | | | 0 |
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| 2015 | 17.6 | 11 | 31.2 | 7 | 4 | 18 | | | 0 |
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| 2014 | 13.1 | 34 | 27.8 | 24 | -1.6 | 40 | 0.04 | 67 | 0 |
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| 2013 | 9.3 | 46 | 23.9 | 40 | -5.2 | 53 | 0.49 | 43 | 0 |
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| 2012 | 2 | 73 | 17.4 | 72 | -13.4 | 75 | 0.42 | 46 | 0 |
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| 2011 | 11.2 | 41 | 26.7 | 27 | -4.4 | 50 | 0.01 | 70 | 0 |
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| 2010 | 6.2 | 61 | 21.7 | 48 | -9.3 | 65 | 0.20 | 55 | 0 |
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| 2009 | 5.4 | 65 | 17.4 | 72 | -6.5 | 59 | 1.86 | 7 | 0 |
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| 2008 | 14 | 25 | 24.8 | 36 | 3.2 | 21 | 1.17 | 19 | 0 |
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| 2007 | -3.7 | 80 | 11.1 | 82 | -18.5 | 81 | 0.01 | 70 | 0 |
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| 2006 | 6.5 | 59 | 19.3 | 67 | -6.4 | 58 | 0.63 | 36 | 0 |
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| 2005 | 15.9 | 16 | 28 | 22 | 3.9 | 19 | 1.03 | 25 | 0 |
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| 2004 | 8.2 | 51 | 20.7 | 56 | -4.3 | 49 | 0.39 | 47 | 0 |
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| 2003 | 12.1 | 38 | 22.5 | 46 | 1.8 | 25 | 1.35 | 14 | 0 |
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| 2002 | 14 | 25 | 29 | 15 | -0.9 | 35 | 0.07 | 66 | 0 |
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| 2001 | 11 | 43 | 23.2 | 44 | -1.1 | 37 | 0.52 | 40 | 0 |
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| 2000 | 14.9 | 23 | 28.5 | 18 | 1.3 | 29 | 0.50 | 42 | 0 |
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| 1999 | 6.9 | 56 | 21.3 | 53 | -7.5 | 60 | 0.33 | 50 | 0 |
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| 1998 | 20.1 | 4 | 33.9 | 4 | 6.4 | 8 | 0.20 | 55 | 0 |
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| 1997 | 5.7 | 63 | 21.4 | 51 | -10 | 69 | 0.13 | 61 | 0 |
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| 1996 | 19.2 | 6 | 31.1 | 8 | 7.4 | 6 | 0.63 | 36 | 0 |
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| 1995 | 4.2 | 70 | 19.4 | 65 | -11 | 70 | 0.14 | 60 | 0 |
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| 1994 | 7 | 55 | 18.8 | 68 | -4.8 | 51 | 1.33 | 15 | 0 |
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| 1993 | 18.4 | 8 | 31.8 | 5 | 5 | 14 | 0.54 | 39 | 0 |
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| 1992 | 12.1 | 38 | 24.5 | 37 | -0.4 | 34 | 0.70 | 33 | 0 |
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| 1991 | 13.4 | 31 | 26 | 31 | 0.7 | 31 | 2.82 | 1 | 0 |
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| 1990 | 16.8 | 14 | 30.3 | 10 | 3.3 | 20 | 2.76 | 2 | 0 |
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| 1989 | | | | | -8.5 | 63 | 0.24 | 54 | 4 |
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| 1988 | 13.6 | 29 | 25.5 | 33 | 1.7 | 26 | 0.52 | 40 | 0 |
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| 1987 | 12.7 | 35 | 28.8 | 17 | -3.4 | 43 | 0.12 | 63 | 0 |
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| 1986 | 3.5 | 71 | 19.6 | 62 | -12.7 | 71 | trace | 73 | 0 |
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| 1985 | 13.5 | 30 | 26.4 | 29 | 0.7 | 31 | 2.43 | 3 | 0 |
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| 1984 | 18.6 | 7 | 29.4 | 13 | 7.9 | 4 | 1.08 | 22 | 0 |
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| 1983 | 9.1 | 47 | 24 | 38 | -5.8 | 54 | 0.01 | 70 | 0 |
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| 1982 | 13.3 | 32 | 23.4 | 42 | 3.2 | 21 | 2.38 | 4 | 0 |
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| 1981 | 26.9 | 3 | 37.2 | 1 | 16.6 | 3 | 0.13 | 61 | 0 |
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| 1980 | 16.5 | 15 | 28.4 | 19 | 4.6 | 15 | 0.29 | 53 | 0 |
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| 1979 | 14 | 25 | 23.7 | 41 | 4.4 | 17 | 1.22 | 17 | 0 |
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| 1978 | 13.2 | 33 | 27.5 | 25 | -1.1 | 37 | 0.15 | 59 | 0 |
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| 1977 | 0.5 | 75 | 13.8 | 76 | -12.9 | 73 | 1.20 | 18 | 0 |
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| 1976 | 8.2 | 51 | 21.4 | 51 | -5 | 52 | 1.41 | 11 | 0 |
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| 1975 | 6.9 | 56 | 21.6 | 49 | -7.9 | 62 | 0.48 | 44 | 0 |
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| 1974 | 6.9 | 56 | 20.1 | 60 | -6.2 | 57 | 0.94 | 29 | 0 |
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| 1973 | 8.5 | 50 | 20.5 | 57 | -3.6 | 45 | 1.13 | 21 | 0 |
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| 1972 | -4 | 82 | 11.5 | 81 | -19.6 | 83 | 0.32 | 51 | 0 |
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| 1971 | -3.2 | 78 | 11.9 | 79 | -18.3 | 80 | 0.12 | 63 | 0 |
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| 1970 | 15.8 | 18 | 25.7 | 32 | 5.8 | 10 | 1.03 | 25 | 0 |
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| 1969 | 15 | 22 | 28.4 | 19 | 1.6 | 28 | 0.35 | 49 | 0 |
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| 1968 | 11.6 | 40 | 26.7 | 27 | -3.4 | 43 | 0.39 | 47 | 0 |
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| 1967 | 17.5 | 12 | 29.7 | 11 | 5.2 | 13 | 1.67 | 9 | 0 |
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| 1966 | -3.7 | 80 | 9.8 | 84 | -17.1 | 79 | 0.12 | 63 | 0 |
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| 1965 | 27.1 | 2 | 35.6 | 3 | 18.7 | 1 | 1.03 | 25 | 0 |
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| 1964 | 1 | 74 | 16.2 | 74 | -14.1 | 76 | 0.86 | 30 | 0 |
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| 1963 | 9 | 48 | 21.5 | 50 | -3.6 | 45 | 1.05 | 23 | 0 |
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| 1962 | 11 | 43 | 23.3 | 43 | -1.3 | 39 | 0.44 | 45 | 0 |
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| 1961 | -0.8 | 76 | 14.6 | 75 | -16.2 | 78 | trace | 73 | 0 |
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| 1960 | 4.9 | 68 | 18.7 | 69 | -8.9 | 64 | trace | 73 | 0 |
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| 1959 | -5.9 | 84 | 11 | 83 | -22.8 | 85 | 0.03 | 68 | 0 |
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| 1958 | 19.5 | 5 | 31.3 | 6 | 7.7 | 5 | 0.64 | 34 | 0 |
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| 1957 | 15.6 | 20 | 28.1 | 21 | 3.1 | 23 | 0.72 | 32 | 0 |
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| 1956 | 5.5 | 64 | 20.8 | 55 | -9.8 | 68 | 1.40 | 12 | 0 |
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| 1955 | 12.2 | 36 | 25.2 | 35 | -0.9 | 35 | 2.12 | 5 | 0 |
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| 1954 | 11.1 | 42 | 26.3 | 30 | -4.2 | 48 | 1.04 | 24 | 0 |
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| 1953 | 5.2 | 66 | 20 | 61 | -9.6 | 67 | 0.18 | 57 | 0 |
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| 1952 | 7.3 | 54 | 20.5 | 57 | -5.8 | 54 | 0.98 | 28 | 0 |
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| 1951 | -2.1 | 77 | 11.7 | 80 | -15.8 | 77 | 0.32 | 51 | 0 |
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| 1950 | 15.9 | 16 | 30.6 | 9 | 1.2 | 30 | 0.03 | 68 | 0 |
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| 1949 | 17.7 | 10 | 29.7 | 11 | 5.7 | 11 | 1.33 | 15 | 0 |
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| 1948 | 6.4 | 60 | 20.5 | 57 | -7.8 | 61 | 2.04 | 6 | 0 |
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| 1947 | 6.2 | 61 | 18.4 | 71 | -5.9 | 56 | 1.37 | 13 | 0 |
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| 1946 | -3.2 | 78 | 12.1 | 78 | -18.5 | 81 | 1.71 | 8 | 0 |
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| 1945 | 5.1 | 67 | 19.5 | 64 | -9.3 | 65 | 1.16 | 20 | 0 |
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| 1944 | 8.7 | 49 | 19.4 | 65 | -2 | 42 | 0.80 | 31 | 0 |
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| 1943 | 13.8 | 28 | 23.1 | 45 | 4.6 | 15 | 1.62 | 10 | 0 |
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| 1942 | 4.7 | 69 | 22.1 | 47 | -12.8 | 72 | 0.64 | 34 | 0 |
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| 1941 | | | | | | | 0.61 | 38 | 31 |
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| 1940 | | | | | | | 0.16 | 58 | 31 |
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