Malmstrom AFB Threshold Days by Year (USW00024112)
16 fixed thresholds counted per year at Malmstrom AFB (USW00024112): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Malmstrom AFB Thresholds
- Malmstrom AFB: days with a maximum temperature at or above 30 C (86 F) in 33 years, most in 2007 with 67.
- Malmstrom AFB: days with a maximum temperature at or above 90 F (32.2 C) in 33 years, most in 2007 with 52.
- Malmstrom AFB: days with a maximum temperature at or below 0 C (32 F) in 33 years, most in 1969 with 75.
- Malmstrom AFB: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 1970 with 193.
- 16 fixed thresholds have at least one qualifying day at Malmstrom AFB.
Days at or above 30 C (86 F)
33 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1949 | 34 | 34 |
| 1950 | 18 | 27.7 |
| 1951 | 19 | 27.7 |
| 1952 | 25 | 27.7 |
| 1953 | 37 | 27.7 |
| 1954 | 25 | 27.7 |
| 1955 | 29 | 27.7 |
| 1956 | 30 | 27.7 |
| 1957 | 29 | 27.7 |
| 1958 | 33 | 27.7 |
| 1959 | 32 | 27.7 |
| 1960 | 35 | 31.4 |
| 1961 | 42 | 31.4 |
| 1962 | 34 | 31.4 |
| 1963 | 38 | 31.4 |
| 1964 | 30 | 31.4 |
| 1965 | 10 | 31.4 |
| 1966 | 36 | 31.4 |
| 1967 | 36 | 31.4 |
| 1968 | 18 | 31.4 |
| 1969 | 35 | 31.4 |
| 1970 | 33 | 33 |
| 2007 | 67 | 59.3 |
| 2008 | 52 | 59.3 |
| 2009 | 59 | 59.3 |
| 2010 | 24 | 41.8 |
| 2011 | 48 | 41.8 |
| 2012 | 43 | 41.8 |
| 2013 | 52 | 41.8 |
| 2023 | 35 | 40 |
| 2024 | 46 | 40 |
| 2025 | 37 | 40 |
| 2026 | 42 | 40 |
| Year | First date | Last date |
|---|---|---|
| 1949 | 1949-05-10 | 1949-09-23 |
| 1950 | 1950-06-30 | 1950-09-04 |
| 1951 | 1951-07-13 | 1951-09-07 |
| 1952 | 1952-06-05 | 1952-09-26 |
| 1953 | 1953-05-06 | 1953-09-15 |
| 1954 | 1954-05-18 | 1954-09-02 |
| 1955 | 1955-06-22 | 1955-09-06 |
| 1956 | 1956-05-31 | 1956-09-19 |
| 1957 | 1957-06-03 | 1957-09-27 |
| 1958 | 1958-05-20 | 1958-09-11 |
| 1959 | 1959-06-12 | 1959-09-13 |
| 1960 | 1960-05-12 | 1960-09-04 |
| 1961 | 1961-06-06 | 1961-08-29 |
| 1962 | 1962-04-19 | 1962-10-02 |
| 1963 | 1963-06-18 | 1963-10-02 |
| 1964 | 1964-05-19 | 1964-10-13 |
| 1965 | 1965-07-26 | 1965-08-12 |
| 1966 | 1966-05-06 | 1966-09-23 |
| 1967 | 1967-07-12 | 1967-09-29 |
| 1968 | 1968-06-19 | 1968-09-11 |
| 1969 | 1969-06-04 | 1969-09-11 |
| 1970 | 1970-06-04 | 1970-08-31 |
| 2007 | 2007-05-12 | 2007-09-15 |
| 2008 | 2008-05-17 | 2008-10-02 |
| 2009 | 2009-05-19 | 2009-09-29 |
| 2010 | 2010-06-28 | 2010-09-28 |
| 2011 | 2011-06-28 | 2011-10-03 |
| 2012 | 2012-05-15 | 2012-09-18 |
| 2013 | 2013-05-13 | 2013-09-16 |
| 2023 | 2023-06-30 | 2023-09-17 |
| 2024 | 2024-06-14 | 2024-10-04 |
| 2025 | 2025-05-10 | 2025-09-25 |
| 2026 | 2026-05-13 | 2026-09-25 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 33 | 67 | 2007 | 42 |
| 35 C (95 F): Days | 31 | 28 | 2007 | 9 |
| 40 C (104 F): Days | 4 | 6 | 2007 | 1 |
| 90 F (32.2 C): Days | 33 | 52 | 2007 | 27 |
| 100 F (37.8 C): Days | 15 | 18 | 2007 | 2 |
| 0 C (32 F): Ice days (max | 33 | 75 | 1969 | 13 |
| 0 C (32 F): Frost days (min | 33 | 193 | 1970 | 86 |
| -10 C (14 F): Days with min | 33 | 80 | 1955 | 15 |
| -20 C (-4 F): Days with min | 33 | 33 | 1949 | 7 |
| -30 C (-22 F): Days with min | 24 | 11 | 1950 | 4 |
| -40 C (-40 F): Days with min | 1 | 1 | 1968 | 1 |
| 20 C (68 F): Tropical nights (min | 14 | 8 | 2007 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 33 | 16 | 1968 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 25 | 5 | 1953 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 6 | 2 | 1953 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 17 | 5 | 1955 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1949.
Download the Data
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-17).