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Past Monthly Weather Data for Roy, MT [Montana] ("Roy 8 Ne")
: DECEMBER, 1938 - 2005
All months for this station: JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember
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| Year | Lowest Temperature (F) | Highest Temperature (F) | Warmest Minimum Temperature (F) | Coldest Maximum Temperature (F) | Average Minimum Temperature (F) | Average Maximum Temperature (F) | Mean Temperature (F) | Total Precipitation (In) | Total Snowfall (In) | Max 24hr Precipitation (In) | Max 24hr Snowfall (In) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | |||||||||||
| 2004 | -19 | 64 | 37 | 14 | 18.6 | 43.3 | 31.0 | 0.23 | 4.00 | 0.18 | 2.50 |
| 2003 | 0 | 59 | 37 | 13 | 20.6 | 37.4 | 29.0 | 1.83 | 25.50 | 0.66 | 12.00 |
| 2002 | -3 | 61 | 39 | 22 | 14.7 | 43.6 | 29.1 | 0.00 | 0.00 | 0.00 | 0.00 |
| 2001 | -5 | 56 | 32 | 13 | 12.5 | 39.2 | 25.8 | 0.00 | 0.00 | 0.00 | 0.00 |
| 2000 | -23 | 46 | 23 | -8 | 2.7 | 23.7 | 12.9 | 0.42 | 9.00 | 0.12 | 3.00 |
| 1999 | 7 | 62 | 34 | 31 | 23.3 | 46.0 | 34.6 | 0.10 | 2.00 | 0.10 | 2.00 |
| 1998 | -19 | 61 | 33 | -6 | 12.5 | 34.3 | 23.4 | 0.63 | 12.00 | 0.40 | 8.00 |
| 1997 | -5 | 65 | 42 | 24 | 16.5 | 41.6 | 29.0 | 0.30 | 2.00 | 0.22 | 2.00 |
| 1996 | -25 | 47 | 32 | -10 | 4.6 | 23.8 | 14.2 | 0.80 | 14.00 | 0.39 | 6.00 |
| 1995 | -15 | 56 | 31 | 7 | 8.5 | 36.9 | 22.7 | 0.75 | 4.00 | 0.25 | 4.00 |
| 1994 | -15 | 58 | 40 | 6 | 14.6 | 40.1 | 27.3 | 0.33 | 3.00 | 0.18 | 1.00 |
| 1993 | 0 | 54 | 38 | 27 | 18.9 | 41.0 | 29.9 | 0.21 | 2.00 | 0.06 | 1.00 |
| 1992 | -30 | 49 | 27 | -13 | 3.7 | 29.3 | 16.5 | 0.50 | 14.00 | 0.15 | 7.00 |
| 1991 | 6 | 59 | 34 | 18 | 16.9 | 45.6 | 31.3 | 0.00 | 0.00 | 0.00 | 0.00 |
| 1990 | -34 | 63 | 30 | -15 | 1.8 | 32.1 | 17.0 | 0.09 | 3.00 | 0.03 | 1.00 |
| 1989 | -41 | 61 | 35 | -13 | 9.2 | 32.1 | 20.7 | 2.30 | 21.00 | 0.64 | 8.00 |
| 1988 | -16 | 65 | 38 | 8 | 10.2 | 38.3 | 24.2 | 0.46 | 12.00 | 0.13 | 3.00 |
| 1987 | -9 | 62 | 39 | 13 | 14.7 | 36.9 | 25.8 | 0.00 | 0.00 | 0.00 | 0.00 |
| 1986 | -4 | 55 | 28 | 23 | 15.3 | 42.2 | 28.8 | 0.14 | 3.00 | 0.10 | 2.00 |
| 1985 | -32 | 48 | 30 | -6 | 11.7 | 33.5 | 22.6 | 0.17 | 2.00 | 0.10 | 2.00 |
| 1984 | -30 | 55 | 41 | -12 | 0.8 | 23.6 | 12.2 | 0.55 | 12.00 | 0.15 | 4.00 |
| 1983 | -38 | 41 | 20 | -16 | -8.5 | 13.9 | 2.7 | 0.49 | 10.00 | 0.17 | 4.00 |
| 1982 | -9 | 55 | 35 | 20 | 15.3 | 36.3 | 25.8 | 0.45 | 5.00 | 0.11 | 1.00 |
| 1981 | -18 | 60 | 39 | 0 | 12.1 | 35.5 | 23.5 | 0.13 | 2.00 | 0.05 | 1.00 |
| 1980 | -12 | 68 | 48 | -2 | 12.3 | 34.0 | 23.1 | 0.32 | 6.00 | 0.10 | 2.00 |
| 1979 | -30 | 68 | 39 | 7 | 15.7 | 46.6 | 31.1 | 0.08 | 1.00 | 0.05 | 1.00 |
| 1978 | -29 | 43 | 24 | -5 | 3.8 | 25.3 | 14.5 | 0.95 | 14.00 | 0.47 | 7.00 |
| 1977 | -33 | 54 | 37 | -15 | 7.6 | 25.1 | 16.3 | 1.91 | 35.00 | 0.61 | 8.00 |
| 1976 | -4 | 63 | 45 | 19 | 18.1 | 41.6 | 29.8 | 0.16 | 3.00 | 0.08 | 2.00 |
| 1975 | -20 | 60 | 40 | 7 | 13.5 | 38.2 | 25.8 | 0.51 | 9.00 | 0.16 | 2.00 |
| 1974 | -13 | 55 | 30 | 15 | 16.3 | 41.8 | 29.0 | 0.16 | 3.00 | 0.06 | 1.00 |
| 1973 | -15 | 56 | 34 | 20 | 15.3 | 37.7 | 26.5 | 0.71 | 6.00 | 0.22 | 2.00 |
| 1972 | -35 | 57 | 35 | -10 | 3.1 | 27.1 | 15.1 | 0.66 | 11.00 | 0.48 | 8.00 |
| 1971 | -24 | 45 | 24 | 0 | -0.3 | 24.0 | 11.9 | 0.81 | 21.00 | 0.25 | 6.00 |
| 1970 | -14 | 57 | 35 | 6 | 7.8 | 32.7 | 20.3 | 0.13 | 4.00 | 0.03 | 1.00 |
| 1969 | -8 | 60 | 30 | 13 | 12.8 | 38.3 | 25.5 | 0.23 | 4.00 | 0.10 | 2.00 |
| 1968 | -33 | 55 | 24 | -24 | 1.9 | 24.0 | 13.0 | 0.46 | 9.00 | 0.10 | 2.00 |
| 1967 | -22 | 55 | 30 | 3 | 7.2 | 32.7 | 20.0 | 0.52 | 8.00 | 0.15 | 3.00 |
| 1966 | -18 | 60 | 35 | 3 | 10.0 | 32.1 | 21.0 | 1.00 | 14.00 | 0.60 | 8.00 |
| 1965 | -22 | 61 | 32 | -2 | 12.9 | 38.2 | 25.5 | 0.20 | 2.00 | 0.07 | 1.00 |
| 1964 | -30 | 43 | 28 | -20 | -1.6 | 18.0 | 8.2 | 1.07 | 20.00 | 0.17 | 4.00 |
| 1963 | -17 | 60 | 40 | 3 | 9.7 | 32.9 | 21.3 | 0.71 | 11.00 | 0.16 | 2.00 |
| 1962 | -5 | 65 | 35 | 15 | 19.3 | 41.5 | 30.4 | 0.16 | 2.00 | 0.07 | 1.00 |
| 1961 | -21 | 53 | 33 | -5 | 7.4 | 29.4 | 18.4 | 0.11 | 2.00 | 0.08 | 2.00 |
| 1960 | -17 | 62 | 33 | 6 | 12.7 | 37.5 | 25.1 | 0.33 | 9.00 | 0.13 | 3.00 |
| 1959 | 7 | 64 | 40 | 22 | 19.5 | 43.5 | 31.5 | 0.03 | 0.00 | 0.03 | 0.00 |
| 1958 | -18 | 62 | 37 | 1 | 13.4 | 35.4 | 24.4 | 0.85 | 21.00 | 0.33 | 9.00 |
| 1957 | 8 | 66 | 33 | 34 | 21.2 | 46.8 | 34.0 | 0.00 | 0.00 | 0.00 | 0.00 |
| 1956 | -26 | 69 | 35 | -4 | 14.7 | 42.9 | 28.8 | 0.23 | 6.00 | 0.08 | 2.00 |
| 1955 | -27 | 56 | 33 | -4 | 5.3 | 28.1 | 16.7 | 0.33 | 7.00 | 0.23 | 4.00 |
| 1954 | -4 | 64 | 44 | 18 | 17.9 | 45.6 | 31.7 | 0.00 | 0.00 | 0.00 | 0.00 |
| 1953 | 4 | 57 | 33 | 28 | 19.0 | 43.3 | 31.2 | 0.35 | 3.00 | 0.10 | 1.00 |
| 1952 | 0 | 61 | 32 | 19 | 16.4 | 39.8 | 28.1 | 0.12 | 1.00 | 0.06 | 1.00 |
| 1951 | -26 | 60 | 37 | -10 | 1.1 | 23.1 | 12.1 | 0.97 | 17.00 | 0.24 | 7.00 |
| 1950 | -20 | 57 | 35 | 3 | 16.1 | 39.3 | 27.7 | 0.30 | 4.00 | 0.10 | 2.00 |
| 1949 | -27 | 58 | 35 | -3 | -0.1 | 26.5 | 13.2 | 0.73 | 17.00 | 0.52 | 14.00 |
| 1948 | -19 | 56 | 31 | -2 | 4.5 | 27.6 | 16.1 | 0.41 | 7.00 | 0.24 | 3.00 |
| 1947 | -6 | 61 | 40 | 10 | 16.4 | 38.7 | 27.6 | 0.26 | 2.00 | 0.14 | 1.00 |
| 1946 | -19 | 53 | 27 | 4 | 9.1 | 33.8 | 21.5 | 0.34 | 10.00 | 0.11 | 3.00 |
| 1945 | -27 | 55 | 30 | 3 | 5.1 | 29.1 | 17.1 | 0.29 | 6.00 | 0.15 | 3.00 |
| 1944 | -16 | 54 | 33 | 0 | 10.0 | 33.2 | 21.6 | 0.31 | 4.50 | 0.15 | 2.00 |
| 1943 | 3 | 59 | 37 | 25 | 17.1 | 43.1 | 30.1 | 0.00 | 0.00 | 0.00 | 0.00 |
| 1942 | -17 | 60 | 37 | 11 | 12.9 | 35.2 | 24.1 | 0.19 | 4.00 | 0.07 | 1.50 |
| 1941 | 0.51 | 8.50 | 0.25 | 4.00 | |||||||
| 1940 | 0.08 | 2.00 | 0.08 | 2.00 | |||||||
| 1939 | 0.63 | 5.00 | 0.17 | 2.00 | |||||||
| 1938 | 0.39 | 5.70 | 0.16 | 2.00 |
Data is for personal use only and is watermarked. Additional information on usage and accuracy.
NR = Not Reported. The official station did not report records for that time.
NR = Not Reported. The official station did not report records for that time.
| Station Details for: "Roy 8 Ne" (Fergus County) View Map | |
|---|---|
| Weather Source ID | 16760 |
| National Weather Service ID (NWS) | ROYM8 |
| NWS Cooperative Observer ID (COOP) | 247228 |
| International Civil Aviation Organization ID (ICAO) | |
| World Meteorological Organization ID (WMO) | |
| Latitude: 47.4869 Longitude: -108.837 Elevation: 940.308m (3084.991ft) | |
| Zip Code: 59471 | |
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