Guelph Oac Threshold Days by Year (CA006143083)
18 fixed thresholds counted per year at Guelph Oac (CA006143083): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Guelph Oac Thresholds
- Guelph Oac: days with a maximum temperature at or above 30 C (86 F) in 86 years, most in 1955 with 34.
- Guelph Oac: days with a maximum temperature at or below 0 C (32 F) in 86 years, most in 1924 with 100.
- Guelph Oac: nights with a minimum temperature at or below 0 C (32 F) in 86 years, most in 1893 with 198.
- Guelph Oac: nights with a minimum temperature at or below -10 C (14 F) in 86 years, most in 1893 with 88.
- 18 fixed thresholds have at least one qualifying day at Guelph Oac.
Days at or above 30 C (86 F)
86 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1882 | 7 | 15.3 |
| 1883 | 7 | 15.3 |
| 1884 | 26 | 15.3 |
| 1885 | 8 | 15.3 |
| 1886 | 15 | 15.3 |
| 1887 | 30 | 15.3 |
| 1888 | 16 | 15.3 |
| 1889 | 13 | 15.3 |
| 1891 | 24 | 19.8 |
| 1892 | 19 | 19.8 |
| 1893 | 19 | 19.8 |
| 1899 | 17 | 19.8 |
| 1900 | 23 | 11.1 |
| 1901 | 22 | 11.1 |
| 1902 | 4 | 11.1 |
| 1903 | 6 | 11.1 |
| 1904 | 3 | 11.1 |
| 1905 | 8 | 11.1 |
| 1906 | 13 | 11.1 |
| 1907 | 8 | 11.1 |
| 1908 | 14 | 11.1 |
| 1909 | 10 | 11.1 |
| 1910 | 8 | 17.1 |
| 1911 | 28 | 17.1 |
| 1912 | 7 | 17.1 |
| 1913 | 23 | 17.1 |
| 1914 | 16 | 17.1 |
| 1915 | 1 | 17.1 |
| 1916 | 28 | 17.1 |
| 1917 | 7 | 17.1 |
| 1918 | 20 | 17.1 |
| 1919 | 33 | 17.1 |
| 1920 | 7 | 9.2 |
| 1921 | 22 | 9.2 |
| 1922 | 10 | 9.2 |
| 1923 | 10 | 9.2 |
| 1924 | 2 | 9.2 |
| 1925 | 13 | 9.2 |
| 1926 | 5 | 9.2 |
| 1927 | 5 | 9.2 |
| 1928 | 5 | 9.2 |
| 1929 | 13 | 9.2 |
| 1930 | 14 | 15.4 |
| 1931 | 15 | 15.4 |
| 1932 | 4 | 15.4 |
| 1933 | 22 | 15.4 |
| 1934 | 20 | 15.4 |
| 1935 | 13 | 15.4 |
| 1936 | 23 | 15.4 |
| 1937 | 14 | 15.4 |
| 1938 | 12 | 15.4 |
| 1939 | 17 | 15.4 |
| 1940 | 6 | 12.8 |
| 1941 | 18 | 12.8 |
| 1942 | 6 | 12.8 |
| 1943 | 10 | 12.8 |
| 1944 | 16 | 12.8 |
| 1945 | 9 | 12.8 |
| 1946 | 6 | 12.8 |
| 1947 | 15 | 12.8 |
| 1948 | 12 | 12.8 |
| 1949 | 30 | 12.8 |
| 1950 | 3 | 12.3 |
| 1951 | 3 | 12.3 |
| 1952 | 20 | 12.3 |
| 1953 | 15 | 12.3 |
| 1954 | 9 | 12.3 |
| 1955 | 34 | 12.3 |
| 1956 | 4 | 12.3 |
| 1957 | 9 | 12.3 |
| 1958 | 3 | 12.3 |
| 1959 | 23 | 12.3 |
| 1960 | 2 | 9.6 |
| 1961 | 4 | 9.6 |
| 1962 | 11 | 9.6 |
| 1963 | 13 | 9.6 |
| 1964 | 14 | 9.6 |
| 1965 | 6 | 9.6 |
| 1966 | 15 | 9.6 |
| 1967 | 3 | 9.6 |
| 1968 | 11 | 9.6 |
| 1969 | 17 | 9.6 |
| 1970 | 4 | 7.5 |
| 1971 | 5 | 7.5 |
| 1972 | 5 | 7.5 |
| 1973 | 16 | 7.5 |
| Year | First date | Last date |
|---|---|---|
| 1882 | 1882-06-25 | 1882-08-29 |
| 1883 | 1883-06-16 | 1883-08-24 |
| 1884 | 1884-06-19 | 1884-09-10 |
| 1885 | 1885-07-21 | 1885-08-01 |
| 1886 | 1886-06-15 | 1886-09-08 |
| 1887 | 1887-05-22 | 1887-09-13 |
| 1888 | 1888-06-15 | 1888-08-30 |
| 1889 | 1889-05-07 | 1889-09-04 |
| 1891 | 1891-06-10 | 1891-09-28 |
| 1892 | 1892-06-02 | 1892-08-18 |
| 1893 | 1893-06-15 | 1893-08-24 |
| 1899 | 1899-06-05 | 1899-08-31 |
| 1900 | 1900-06-26 | 1900-09-11 |
| 1901 | 1901-06-27 | 1901-09-08 |
| 1902 | 1902-07-06 | 1902-07-15 |
| 1903 | 1903-07-09 | 1903-07-28 |
| 1904 | 1904-07-17 | 1904-07-19 |
| 1905 | 1905-06-20 | 1905-09-30 |
| 1906 | 1906-06-29 | 1906-09-18 |
| 1907 | 1907-06-17 | 1907-08-11 |
| 1908 | 1908-06-22 | 1908-09-26 |
| 1909 | 1909-06-21 | 1909-09-14 |
| 1910 | 1910-06-22 | 1910-07-24 |
| 1911 | 1911-05-19 | 1911-08-26 |
| 1912 | 1912-07-04 | 1912-07-10 |
| 1913 | 1913-06-16 | 1913-09-07 |
| 1914 | 1914-05-29 | 1914-09-22 |
| 1915 | 1915-09-14 | 1915-09-14 |
| 1916 | 1916-07-07 | 1916-08-22 |
| 1917 | 1917-07-23 | 1917-07-31 |
| 1918 | 1918-07-20 | 1918-08-24 |
| 1919 | 1919-05-30 | 1919-09-09 |
| 1920 | 1920-06-10 | 1920-09-25 |
| 1921 | 1921-06-21 | 1921-09-02 |
| 1922 | 1922-06-24 | 1922-09-10 |
| 1923 | 1923-06-19 | 1923-08-07 |
| 1924 | 1924-07-29 | 1924-08-31 |
| 1925 | 1925-06-01 | 1925-08-30 |
| 1926 | 1926-07-09 | 1926-08-28 |
| 1927 | 1927-06-29 | 1927-09-15 |
| 1928 | 1928-07-03 | 1928-08-28 |
| 1929 | 1929-05-29 | 1929-09-05 |
| 1930 | 1930-07-17 | 1930-08-09 |
| 1931 | 1931-06-19 | 1931-09-13 |
| 1932 | 1932-07-19 | 1932-08-31 |
| 1933 | 1933-06-08 | 1933-09-08 |
| 1934 | 1934-05-31 | 1934-08-19 |
| 1935 | 1935-07-05 | 1935-08-20 |
| 1936 | 1936-07-07 | 1936-09-23 |
| 1937 | 1937-07-05 | 1937-09-03 |
| 1938 | 1938-06-21 | 1938-08-20 |
| 1939 | 1939-06-28 | 1939-09-16 |
| 1940 | 1940-06-07 | 1940-07-29 |
| 1941 | 1941-05-21 | 1941-09-09 |
| 1942 | 1942-07-13 | 1942-08-22 |
| 1943 | 1943-06-15 | 1943-09-01 |
| 1944 | 1944-06-27 | 1944-08-15 |
| 1945 | 1945-06-29 | 1945-09-08 |
| 1946 | 1946-06-30 | 1946-08-08 |
| 1947 | 1947-06-28 | 1947-09-07 |
| 1948 | 1948-06-23 | 1948-09-12 |
| 1949 | 1949-05-05 | 1949-08-27 |
| 1950 | 1950-06-08 | 1950-08-18 |
| 1951 | 1951-07-30 | 1951-08-30 |
| 1952 | 1952-06-24 | 1952-09-14 |
| 1953 | 1953-06-20 | 1953-09-04 |
| 1954 | 1954-06-10 | 1954-08-24 |
| 1955 | 1955-06-18 | 1955-09-19 |
| 1956 | 1956-06-12 | 1956-06-15 |
| 1957 | 1957-06-17 | 1957-08-03 |
| 1958 | 1958-08-03 | 1958-08-12 |
| 1959 | 1959-06-09 | 1959-09-09 |
| 1960 | 1960-09-07 | 1960-09-08 |
| 1961 | 1961-06-12 | 1961-09-01 |
| 1962 | 1962-05-15 | 1962-08-30 |
| 1963 | 1963-06-25 | 1963-07-27 |
| 1964 | 1964-05-22 | 1964-09-08 |
| 1965 | 1965-06-28 | 1965-09-19 |
| 1966 | 1966-06-23 | 1966-07-25 |
| 1967 | 1967-06-12 | 1967-06-16 |
| 1968 | 1968-06-07 | 1968-08-24 |
| 1969 | 1969-05-29 | 1969-09-01 |
| 1970 | 1970-06-09 | 1970-07-03 |
| 1971 | 1971-06-28 | 1971-09-08 |
| 1972 | 1972-05-21 | 1972-07-23 |
| 1973 | 1973-06-11 | 1973-09-04 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 86 | 34 | 1955 | 16 |
| 35 C (95 F): Days | 16 | 7 | 1955 | 7 |
| 90 F (32.2 C): Days | 64 | 19 | 1955 | 6 |
| 100 F (37.8 C): Days | 2 | 5 | 1936 | 5 |
| 0 C (32 F): Ice days (max | 86 | 100 | 1924 | 43 |
| 0 C (32 F): Frost days (min | 86 | 198 | 1893 | 110 |
| -10 C (14 F): Days with min | 86 | 88 | 1893 | 29 |
| -20 C (-4 F): Days with min | 80 | 33 | 1885 | 9 |
| -30 C (-22 F): Days with min | 13 | 3 | 1893 | 1 |
| 20 C (68 F): Tropical nights (min | 77 | 17 | 1900 | 5 |
| 25 C (77 F): Days with min | 2 | 1 | 1903 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 86 | 39 | 1926 | 25 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 85 | 12 | 1940 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 26 | 3 | 1922 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1938 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 81 | 9 | 1915 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 9 | 1 | 1883 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1950 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1882.
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).