Calgary Int'l A Threshold Days by Year (CA003031093)
16 fixed thresholds counted per year at Calgary Int'l A (CA003031093): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Calgary Int'l A Thresholds
- Calgary Int'l A: days with a maximum temperature at or below 0 C (32 F) in 99 years, most in 1951 with 111.
- Calgary Int'l A: nights with a minimum temperature at or below 0 C (32 F) in 99 years, most in 1892 with 228.
- Calgary Int'l A: nights with a minimum temperature at or below -10 C (14 F) in 99 years, most in 1955 with 115.
- Calgary Int'l A: nights with a minimum temperature at or below -20 C (-4 F) in 99 years, most in 1887 with 71.
- 16 fixed thresholds have at least one qualifying day at Calgary Int'l A.
Days at or above 30 C (86 F)
91 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1885 | 1 | 5 |
| 1886 | 7 | 5 |
| 1887 | 1 | 5 |
| 1888 | 9 | 5 |
| 1889 | 7 | 5 |
| 1890 | 8 | 8.7 |
| 1891 | 7 | 8.7 |
| 1892 | 10 | 8.7 |
| 1893 | 7 | 8.7 |
| 1894 | 18 | 8.7 |
| 1895 | 2 | 8.7 |
| 1896 | 11 | 8.7 |
| 1897 | 12 | 8.7 |
| 1898 | 9 | 8.7 |
| 1899 | 3 | 8.7 |
| 1900 | 2 | 4 |
| 1904 | 4 | 4 |
| 1905 | 3 | 4 |
| 1906 | 9 | 4 |
| 1908 | 2 | 4 |
| 1910 | 6 | 10.2 |
| 1911 | 1 | 10.2 |
| 1912 | 7 | 10.2 |
| 1913 | 7 | 10.2 |
| 1914 | 17 | 10.2 |
| 1915 | 6 | 10.2 |
| 1916 | 1 | 10.2 |
| 1917 | 16 | 10.2 |
| 1918 | 20 | 10.2 |
| 1919 | 21 | 10.2 |
| 1920 | 19 | 13.4 |
| 1921 | 10 | 13.4 |
| 1922 | 20 | 13.4 |
| 1923 | 7 | 13.4 |
| 1924 | 17 | 13.4 |
| 1925 | 12 | 13.4 |
| 1926 | 10 | 13.4 |
| 1928 | 10 | 13.4 |
| 1929 | 16 | 13.4 |
| 1930 | 13 | 10.7 |
| 1931 | 12 | 10.7 |
| 1932 | 4 | 10.7 |
| 1933 | 15 | 10.7 |
| 1934 | 11 | 10.7 |
| 1935 | 4 | 10.7 |
| 1936 | 23 | 10.7 |
| 1937 | 5 | 10.7 |
| 1938 | 6 | 10.7 |
| 1939 | 14 | 10.7 |
| 1940 | 7 | 5.3 |
| 1941 | 7 | 5.3 |
| 1942 | 5 | 5.3 |
| 1943 | 4 | 5.3 |
| 1944 | 2 | 5.3 |
| 1945 | 6 | 5.3 |
| 1946 | 9 | 5.3 |
| 1947 | 4 | 5.3 |
| 1948 | 4 | 5.3 |
| 1949 | 5 | 5.3 |
| 1950 | 4 | 3.2 |
| 1951 | 2 | 3.2 |
| 1952 | 1 | 3.2 |
| 1953 | 1 | 3.2 |
| 1954 | 2 | 3.2 |
| 1955 | 5 | 3.2 |
| 1956 | 4 | 3.2 |
| 1958 | 4 | 3.2 |
| 1959 | 6 | 3.2 |
| 1960 | 10 | 5.6 |
| 1961 | 13 | 5.6 |
| 1962 | 2 | 5.6 |
| 1963 | 4 | 5.6 |
| 1964 | 5 | 5.6 |
| 1965 | 2 | 5.6 |
| 1966 | 1 | 5.6 |
| 1967 | 10 | 5.6 |
| 1968 | 3 | 5.6 |
| 1969 | 6 | 5.6 |
| 1970 | 13 | 6.7 |
| 1971 | 15 | 6.7 |
| 1972 | 4 | 6.7 |
| 1973 | 7 | 6.7 |
| 1974 | 5 | 6.7 |
| 1975 | 8 | 6.7 |
| 1976 | 1 | 6.7 |
| 1977 | 2 | 6.7 |
| 1978 | 5 | 6.7 |
| 1979 | 7 | 6.7 |
| 1981 | 10 | 6.7 |
| 1982 | 1 | 6.7 |
| 1983 | 9 | 6.7 |
| Year | First date | Last date |
|---|---|---|
| 1885 | 1885-08-14 | 1885-08-14 |
| 1886 | 1886-07-07 | 1886-07-15 |
| 1887 | 1887-05-30 | 1887-05-30 |
| 1888 | 1888-07-10 | 1888-09-16 |
| 1889 | 1889-06-04 | 1889-09-18 |
| 1890 | 1890-06-29 | 1890-08-29 |
| 1891 | 1891-05-26 | 1891-08-29 |
| 1892 | 1892-06-30 | 1892-09-13 |
| 1893 | 1893-07-31 | 1893-09-01 |
| 1894 | 1894-07-04 | 1894-08-25 |
| 1895 | 1895-06-29 | 1895-06-30 |
| 1896 | 1896-06-28 | 1896-07-18 |
| 1897 | 1897-05-14 | 1897-08-24 |
| 1898 | 1898-07-03 | 1898-08-08 |
| 1899 | 1899-07-16 | 1899-07-18 |
| 1900 | 1900-06-21 | 1900-08-01 |
| 1904 | 1904-07-21 | 1904-07-28 |
| 1905 | 1905-07-09 | 1905-08-06 |
| 1906 | 1906-07-06 | 1906-08-13 |
| 1908 | 1908-07-08 | 1908-07-23 |
| 1910 | 1910-06-11 | 1910-07-17 |
| 1911 | 1911-07-25 | 1911-07-25 |
| 1912 | 1912-06-08 | 1912-08-22 |
| 1913 | 1913-07-20 | 1913-08-26 |
| 1914 | 1914-06-17 | 1914-08-04 |
| 1915 | 1915-08-06 | 1915-08-30 |
| 1916 | 1916-07-09 | 1916-07-09 |
| 1917 | 1917-06-16 | 1917-09-16 |
| 1918 | 1918-06-09 | 1918-08-26 |
| 1919 | 1919-05-19 | 1919-08-19 |
| 1920 | 1920-06-30 | 1920-09-30 |
| 1921 | 1921-06-24 | 1921-08-23 |
| 1922 | 1922-06-02 | 1922-09-25 |
| 1923 | 1923-07-23 | 1923-09-14 |
| 1924 | 1924-05-14 | 1924-09-04 |
| 1925 | 1925-06-20 | 1925-08-20 |
| 1926 | 1926-06-26 | 1926-08-24 |
| 1928 | 1928-05-21 | 1928-09-03 |
| 1929 | 1929-07-02 | 1929-08-31 |
| 1930 | 1930-06-16 | 1930-08-24 |
| 1931 | 1931-07-09 | 1931-08-21 |
| 1932 | 1932-07-22 | 1932-08-18 |
| 1933 | 1933-06-13 | 1933-08-11 |
| 1934 | 1934-05-28 | 1934-09-06 |
| 1935 | 1935-07-13 | 1935-07-23 |
| 1936 | 1936-05-14 | 1936-08-29 |
| 1937 | 1937-06-02 | 1937-09-12 |
| 1938 | 1938-07-21 | 1938-09-19 |
| 1939 | 1939-07-10 | 1939-08-25 |
| 1940 | 1940-07-02 | 1940-08-31 |
| 1941 | 1941-06-23 | 1941-08-11 |
| 1942 | 1942-07-02 | 1942-08-19 |
| 1943 | 1943-07-07 | 1943-09-25 |
| 1944 | 1944-06-30 | 1944-07-23 |
| 1945 | 1945-06-21 | 1945-08-16 |
| 1946 | 1946-07-20 | 1946-08-23 |
| 1947 | 1947-07-08 | 1947-08-03 |
| 1948 | 1948-06-07 | 1948-09-10 |
| 1949 | 1949-07-15 | 1949-08-17 |
| 1950 | 1950-06-20 | 1950-09-03 |
| 1951 | 1951-08-03 | 1951-08-04 |
| 1952 | 1952-09-26 | 1952-09-26 |
| 1953 | 1953-07-12 | 1953-07-12 |
| 1954 | 1954-07-05 | 1954-07-19 |
| 1955 | 1955-07-14 | 1955-09-02 |
| 1956 | 1956-05-31 | 1956-07-20 |
| 1958 | 1958-07-31 | 1958-08-25 |
| 1959 | 1959-06-12 | 1959-08-01 |
| 1960 | 1960-07-07 | 1960-09-03 |
| 1961 | 1961-06-03 | 1961-08-22 |
| 1962 | 1962-06-25 | 1962-08-16 |
| 1963 | 1963-07-07 | 1963-09-08 |
| 1964 | 1964-07-09 | 1964-08-12 |
| 1965 | 1965-06-11 | 1965-08-02 |
| 1966 | 1966-08-25 | 1966-08-25 |
| 1967 | 1967-07-13 | 1967-09-27 |
| 1968 | 1968-07-05 | 1968-07-28 |
| 1969 | 1969-06-04 | 1969-09-02 |
| 1970 | 1970-06-02 | 1970-08-16 |
| 1971 | 1971-07-19 | 1971-08-21 |
| 1972 | 1972-05-30 | 1972-08-28 |
| 1973 | 1973-06-22 | 1973-08-14 |
| 1974 | 1974-06-16 | 1974-08-05 |
| 1975 | 1975-07-05 | 1975-08-05 |
| 1976 | 1976-08-22 | 1976-08-22 |
| 1977 | 1977-06-07 | 1977-07-21 |
| 1978 | 1978-07-24 | 1978-08-09 |
| 1979 | 1979-07-17 | 1979-09-15 |
| 1981 | 1981-07-03 | 1981-09-18 |
| 1982 | 1982-07-30 | 1982-07-30 |
| 1983 | 1983-07-31 | 1983-08-30 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 91 | 23 | 1936 | 9 |
| 35 C (95 F): Days | 12 | 2 | 1919 | 1 |
| 90 F (32.2 C): Days | 59 | 11 | 1919 | 2 |
| 0 C (32 F): Ice days (max | 99 | 111 | 1951 | 72 |
| 0 C (32 F): Frost days (min | 99 | 228 | 1892 | 208 |
| -10 C (14 F): Days with min | 99 | 115 | 1955 | 73 |
| -20 C (-4 F): Days with min | 99 | 71 | 1887 | 26 |
| -30 C (-22 F): Days with min | 94 | 22 | 1893 | 8 |
| -40 C (-40 F): Days with min | 15 | 6 | 1893 | 1 |
| 20 C (68 F): Tropical nights (min | 1 | 1 | 1906 | 1 |
| 25 C (77 F): Days with min | 1 | 1 | 1906 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 99 | 28 | 1902 | 7 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 78 | 8 | 1902 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 21 | 4 | 1902 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 88 | 8 | 1921 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 14 | 2 | 1902 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1885.
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).