Armstrong (Aut) Threshold Days by Year (CA006040325)
17 fixed thresholds counted per year at Armstrong (Aut) (CA006040325): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Armstrong (Aut) Thresholds
- Armstrong (Aut): days with a maximum temperature at or below 0 C (32 F) in 44 years, most in 1974 with 147.
- Armstrong (Aut): nights with a minimum temperature at or below 0 C (32 F) in 44 years, most in 1969 with 259.
- Armstrong (Aut): nights with a minimum temperature at or below -10 C (14 F) in 44 years, most in 1966 with 161.
- Armstrong (Aut): nights with a minimum temperature at or below -20 C (-4 F) in 44 years, most in 1972 with 117.
- 17 fixed thresholds have at least one qualifying day at Armstrong (Aut).
Days at or above 30 C (86 F)
41 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1939 | 2 | 2 |
| 1940 | 11 | 6.1 |
| 1941 | 12 | 6.1 |
| 1942 | 2 | 6.1 |
| 1943 | 7 | 6.1 |
| 1944 | 3 | 6.1 |
| 1945 | 4 | 6.1 |
| 1946 | 1 | 6.1 |
| 1947 | 10 | 6.1 |
| 1948 | 4 | 6.1 |
| 1949 | 7 | 6.1 |
| 1950 | 2 | 4.4 |
| 1951 | 3 | 4.4 |
| 1952 | 4 | 4.4 |
| 1953 | 3 | 4.4 |
| 1955 | 17 | 4.4 |
| 1956 | 3 | 4.4 |
| 1957 | 2 | 4.4 |
| 1958 | 2 | 4.4 |
| 1959 | 4 | 4.4 |
| 1960 | 1 | 3.3 |
| 1961 | 5 | 3.3 |
| 1962 | 2 | 3.3 |
| 1963 | 5 | 3.3 |
| 1964 | 4 | 3.3 |
| 1966 | 4 | 3.3 |
| 1967 | 3 | 3.3 |
| 1969 | 2 | 3.3 |
| 1970 | 6 | 4.3 |
| 1971 | 5 | 4.3 |
| 1972 | 4 | 4.3 |
| 1973 | 1 | 4.3 |
| 1974 | 3 | 4.3 |
| 1975 | 9 | 4.3 |
| 1976 | 8 | 4.3 |
| 1977 | 3 | 4.3 |
| 1978 | 3 | 4.3 |
| 1979 | 1 | 4.3 |
| 1980 | 6 | 4 |
| 1981 | 5 | 4 |
| 1982 | 1 | 4 |
| Year | First date | Last date |
|---|---|---|
| 1939 | 1939-07-23 | 1939-07-30 |
| 1940 | 1940-07-05 | 1940-09-06 |
| 1941 | 1941-05-25 | 1941-07-29 |
| 1942 | 1942-06-10 | 1942-08-21 |
| 1943 | 1943-07-07 | 1943-07-13 |
| 1944 | 1944-05-30 | 1944-08-10 |
| 1945 | 1945-06-22 | 1945-08-19 |
| 1946 | 1946-06-22 | 1946-06-22 |
| 1947 | 1947-06-28 | 1947-08-23 |
| 1948 | 1948-05-31 | 1948-07-09 |
| 1949 | 1949-07-02 | 1949-08-08 |
| 1950 | 1950-07-11 | 1950-07-28 |
| 1951 | 1951-06-15 | 1951-07-25 |
| 1952 | 1952-07-05 | 1952-08-26 |
| 1953 | 1953-07-16 | 1953-08-31 |
| 1955 | 1955-06-16 | 1955-08-19 |
| 1956 | 1956-06-10 | 1956-06-12 |
| 1957 | 1957-07-27 | 1957-08-01 |
| 1958 | 1958-07-24 | 1958-08-01 |
| 1959 | 1959-06-08 | 1959-07-29 |
| 1960 | 1960-07-25 | 1960-07-25 |
| 1961 | 1961-06-28 | 1961-08-17 |
| 1962 | 1962-06-27 | 1962-06-28 |
| 1963 | 1963-06-30 | 1963-07-25 |
| 1964 | 1964-06-29 | 1964-07-17 |
| 1966 | 1966-06-23 | 1966-07-30 |
| 1967 | 1967-07-21 | 1967-08-15 |
| 1969 | 1969-08-22 | 1969-08-23 |
| 1970 | 1970-06-06 | 1970-08-13 |
| 1971 | 1971-08-06 | 1971-09-02 |
| 1972 | 1972-05-19 | 1972-08-30 |
| 1973 | 1973-07-06 | 1973-07-06 |
| 1974 | 1974-07-12 | 1974-08-07 |
| 1975 | 1975-06-28 | 1975-08-01 |
| 1976 | 1976-06-04 | 1976-08-24 |
| 1977 | 1977-07-18 | 1977-07-23 |
| 1978 | 1978-05-18 | 1978-08-12 |
| 1979 | 1979-06-14 | 1979-06-14 |
| 1980 | 1980-05-20 | 1980-07-13 |
| 1981 | 1981-07-05 | 1981-07-19 |
| 1982 | 1982-05-28 | 1982-05-28 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 41 | 17 | 1955 | 1 |
| 35 C (95 F): Days | 8 | 1 | 1940 | 1 |
| 90 F (32.2 C): Days | 22 | 6 | 1941 | 2 |
| 100 F (37.8 C): Days | 1 | 1 | 1975 | 1 |
| 0 C (32 F): Ice days (max | 44 | 147 | 1974 | 129 |
| 0 C (32 F): Frost days (min | 44 | 259 | 1969 | 230 |
| -10 C (14 F): Days with min | 44 | 161 | 1966 | 140 |
| -20 C (-4 F): Days with min | 44 | 117 | 1972 | 99 |
| -30 C (-22 F): Days with min | 44 | 71 | 1972 | 51 |
| -40 C (-40 F): Days with min | 41 | 14 | 1967 | 11 |
| 20 C (68 F): Tropical nights (min | 7 | 2 | 1941 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 44 | 30 | 1970 | 22 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 41 | 9 | 1971 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 9 | 2 | 1969 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 43 | 9 | 1945 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 10 | 2 | 1939 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1940 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.
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).