Macdonald College Threshold Days by Year (CA007024400)
15 fixed thresholds counted per year at Macdonald College (CA007024400): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Macdonald College Thresholds
- Macdonald College: days with a maximum temperature at or below 0 C (32 F) in 66 years, most in 1926 with 111.
- Macdonald College: nights with a minimum temperature at or below 0 C (32 F) in 66 years, most in 1919 with 172.
- Macdonald College: nights with a minimum temperature at or below -10 C (14 F) in 66 years, most in 1917 with 96.
- Macdonald College: nights with a minimum temperature at or below -20 C (-4 F) in 66 years, most in 1914 with 38.
- 15 fixed thresholds have at least one qualifying day at Macdonald College.
Days at or above 30 C (86 F)
65 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1909 | 13 | 13 |
| 1910 | 4 | 16.5 |
| 1911 | 28 | 16.5 |
| 1912 | 13 | 16.5 |
| 1913 | 19 | 16.5 |
| 1914 | 21 | 16.5 |
| 1915 | 17 | 16.5 |
| 1916 | 25 | 16.5 |
| 1917 | 10 | 16.5 |
| 1918 | 11 | 16.5 |
| 1919 | 17 | 16.5 |
| 1920 | 8 | 7.2 |
| 1921 | 20 | 7.2 |
| 1922 | 7 | 7.2 |
| 1923 | 7 | 7.2 |
| 1924 | 3 | 7.2 |
| 1925 | 7 | 7.2 |
| 1926 | 1 | 7.2 |
| 1928 | 7 | 7.2 |
| 1929 | 5 | 7.2 |
| 1930 | 6 | 8.9 |
| 1931 | 13 | 8.9 |
| 1932 | 4 | 8.9 |
| 1933 | 11 | 8.9 |
| 1934 | 10 | 8.9 |
| 1935 | 11 | 8.9 |
| 1936 | 3 | 8.9 |
| 1937 | 12 | 8.9 |
| 1938 | 11 | 8.9 |
| 1939 | 8 | 8.9 |
| 1940 | 4 | 16.8 |
| 1941 | 20 | 16.8 |
| 1942 | 13 | 16.8 |
| 1943 | 10 | 16.8 |
| 1944 | 28 | 16.8 |
| 1945 | 13 | 16.8 |
| 1946 | 16 | 16.8 |
| 1947 | 18 | 16.8 |
| 1948 | 15 | 16.8 |
| 1949 | 31 | 16.8 |
| 1950 | 8 | 11.3 |
| 1952 | 13 | 11.3 |
| 1953 | 10 | 11.3 |
| 1954 | 2 | 11.3 |
| 1955 | 32 | 11.3 |
| 1956 | 4 | 11.3 |
| 1957 | 11 | 11.3 |
| 1958 | 3 | 11.3 |
| 1959 | 19 | 11.3 |
| 1960 | 9 | 9.9 |
| 1961 | 8 | 9.9 |
| 1962 | 4 | 9.9 |
| 1963 | 20 | 9.9 |
| 1964 | 12 | 9.9 |
| 1965 | 6 | 9.9 |
| 1966 | 17 | 9.9 |
| 1967 | 3 | 9.9 |
| 1968 | 9 | 9.9 |
| 1969 | 11 | 9.9 |
| 1970 | 24 | 15.7 |
| 1971 | 15 | 15.7 |
| 1972 | 7 | 15.7 |
| 1973 | 21 | 15.7 |
| 1974 | 6 | 15.7 |
| 1975 | 21 | 15.7 |
| Year | First date | Last date |
|---|---|---|
| 1909 | 1909-06-04 | 1909-08-25 |
| 1910 | 1910-07-06 | 1910-07-13 |
| 1911 | 1911-05-20 | 1911-08-08 |
| 1912 | 1912-06-02 | 1912-07-18 |
| 1913 | 1913-04-25 | 1913-09-02 |
| 1914 | 1914-05-27 | 1914-09-22 |
| 1915 | 1915-06-05 | 1915-09-16 |
| 1916 | 1916-07-11 | 1916-08-22 |
| 1917 | 1917-07-17 | 1917-08-08 |
| 1918 | 1918-05-18 | 1918-08-23 |
| 1919 | 1919-06-02 | 1919-09-21 |
| 1920 | 1920-06-01 | 1920-08-28 |
| 1921 | 1921-05-21 | 1921-09-02 |
| 1922 | 1922-06-08 | 1922-09-10 |
| 1923 | 1923-06-04 | 1923-08-07 |
| 1924 | 1924-07-07 | 1924-08-31 |
| 1925 | 1925-06-03 | 1925-08-31 |
| 1926 | 1926-07-20 | 1926-07-20 |
| 1928 | 1928-07-08 | 1928-08-28 |
| 1929 | 1929-05-29 | 1929-09-03 |
| 1930 | 1930-06-05 | 1930-09-02 |
| 1931 | 1931-05-20 | 1931-09-13 |
| 1932 | 1932-05-16 | 1932-09-01 |
| 1933 | 1933-06-09 | 1933-08-01 |
| 1934 | 1934-06-05 | 1934-08-19 |
| 1935 | 1935-07-04 | 1935-08-20 |
| 1936 | 1936-06-10 | 1936-07-11 |
| 1937 | 1937-05-31 | 1937-09-03 |
| 1938 | 1938-06-21 | 1938-08-21 |
| 1939 | 1939-05-08 | 1939-09-16 |
| 1940 | 1940-07-23 | 1940-08-18 |
| 1941 | 1941-06-18 | 1941-08-09 |
| 1942 | 1942-06-10 | 1942-09-18 |
| 1943 | 1943-06-25 | 1943-08-02 |
| 1944 | 1944-05-04 | 1944-08-16 |
| 1945 | 1945-06-14 | 1945-09-08 |
| 1946 | 1946-06-25 | 1946-08-09 |
| 1947 | 1947-06-11 | 1947-09-11 |
| 1948 | 1948-06-29 | 1948-09-08 |
| 1949 | 1949-06-13 | 1949-08-27 |
| 1950 | 1950-06-08 | 1950-07-13 |
| 1952 | 1952-06-17 | 1952-08-28 |
| 1953 | 1953-06-20 | 1953-09-01 |
| 1954 | 1954-07-13 | 1954-08-25 |
| 1955 | 1955-06-06 | 1955-09-19 |
| 1956 | 1956-06-12 | 1956-06-15 |
| 1957 | 1957-06-15 | 1957-08-03 |
| 1958 | 1958-07-02 | 1958-08-31 |
| 1959 | 1959-06-09 | 1959-09-10 |
| 1960 | 1960-06-28 | 1960-09-09 |
| 1961 | 1961-05-15 | 1961-09-11 |
| 1962 | 1962-05-18 | 1962-07-08 |
| 1963 | 1963-06-04 | 1963-07-29 |
| 1964 | 1964-05-23 | 1964-07-28 |
| 1965 | 1965-06-28 | 1965-09-22 |
| 1966 | 1966-05-24 | 1966-08-09 |
| 1967 | 1967-06-03 | 1967-06-05 |
| 1968 | 1968-07-01 | 1968-07-23 |
| 1969 | 1969-06-12 | 1969-08-31 |
| 1970 | 1970-06-02 | 1970-08-20 |
| 1971 | 1971-05-19 | 1971-08-19 |
| 1972 | 1972-05-23 | 1972-08-31 |
| 1973 | 1973-06-06 | 1973-09-05 |
| 1974 | 1974-05-16 | 1974-08-22 |
| 1975 | 1975-06-22 | 1975-08-26 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 65 | 32 | 1955 | 21 |
| 35 C (95 F): Days | 11 | 5 | 1911 | 3 |
| 90 F (32.2 C): Days | 49 | 18 | 1911 | 9 |
| 0 C (32 F): Ice days (max | 66 | 111 | 1926 | 75 |
| 0 C (32 F): Frost days (min | 66 | 172 | 1919 | 152 |
| -10 C (14 F): Days with min | 66 | 96 | 1917 | 68 |
| -20 C (-4 F): Days with min | 66 | 38 | 1914 | 19 |
| -30 C (-22 F): Days with min | 34 | 6 | 1914 | 1 |
| 20 C (68 F): Tropical nights (min | 66 | 20 | 1955 | 14 |
| 25 C (77 F): Days with min | 2 | 1 | 1911 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 58 | 47 | 1947 | 28 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 58 | 11 | 1918 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 17 | 2 | 1934 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 58 | 12 | 1920 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 30 | 5 | 1920 | 3 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.
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).