Oak Ridges Threshold Days by Year (CA006155722)
18 fixed thresholds counted per year at Oak Ridges (CA006155722): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Oak Ridges Thresholds
- Oak Ridges: nights with a minimum temperature at or below 0 C (32 F) in 51 years, most in 1976 with 188.
- Oak Ridges: nights with a minimum temperature at or below -10 C (14 F) in 51 years, most in 1978 with 78.
- Oak Ridges: days with a maximum temperature at or above 30 C (86 F) in 50 years, most in 1936 with 29.
- Oak Ridges: days with a maximum temperature at or below 0 C (32 F) in 50 years, most in 1926 with 105.
- 18 fixed thresholds have at least one qualifying day at Oak Ridges.
Days at or above 30 C (86 F)
50 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1919 | 27 | 27 |
| 1920 | 4 | 9.8 |
| 1921 | 27 | 9.8 |
| 1922 | 10 | 9.8 |
| 1923 | 12 | 9.8 |
| 1924 | 4 | 9.8 |
| 1925 | 14 | 9.8 |
| 1926 | 5 | 9.8 |
| 1927 | 4 | 9.8 |
| 1928 | 5 | 9.8 |
| 1929 | 13 | 9.8 |
| 1930 | 17 | 17.1 |
| 1931 | 21 | 17.1 |
| 1932 | 7 | 17.1 |
| 1933 | 12 | 17.1 |
| 1934 | 17 | 17.1 |
| 1935 | 16 | 17.1 |
| 1936 | 29 | 17.1 |
| 1937 | 17 | 17.1 |
| 1938 | 21 | 17.1 |
| 1939 | 14 | 17.1 |
| 1940 | 12 | 16.6 |
| 1941 | 29 | 16.6 |
| 1942 | 8 | 16.6 |
| 1943 | 15 | 16.6 |
| 1944 | 17 | 16.6 |
| 1945 | 13 | 16.6 |
| 1946 | 18 | 16.6 |
| 1947 | 20 | 16.6 |
| 1948 | 17 | 16.6 |
| 1951 | 4 | 15.8 |
| 1952 | 27 | 15.8 |
| 1953 | 22 | 15.8 |
| 1957 | 10 | 15.8 |
| 1962 | 12 | 9.5 |
| 1964 | 13 | 9.5 |
| 1965 | 5 | 9.5 |
| 1966 | 15 | 9.5 |
| 1967 | 3 | 9.5 |
| 1968 | 9 | 9.5 |
| 1970 | 9 | 10.3 |
| 1971 | 8 | 10.3 |
| 1972 | 4 | 10.3 |
| 1973 | 16 | 10.3 |
| 1974 | 8 | 10.3 |
| 1975 | 19 | 10.3 |
| 1976 | 6 | 10.3 |
| 1977 | 10 | 10.3 |
| 1978 | 15 | 10.3 |
| 1979 | 8 | 10.3 |
| Year | First date | Last date |
|---|---|---|
| 1919 | 1919-05-30 | 1919-09-08 |
| 1920 | 1920-08-07 | 1920-09-26 |
| 1921 | 1921-05-20 | 1921-09-10 |
| 1922 | 1922-06-24 | 1922-09-09 |
| 1923 | 1923-06-01 | 1923-08-18 |
| 1924 | 1924-07-29 | 1924-09-01 |
| 1925 | 1925-06-02 | 1925-08-30 |
| 1926 | 1926-07-08 | 1926-08-03 |
| 1927 | 1927-06-29 | 1927-07-13 |
| 1928 | 1928-07-08 | 1928-08-28 |
| 1929 | 1929-05-29 | 1929-09-05 |
| 1930 | 1930-05-07 | 1930-09-25 |
| 1931 | 1931-06-14 | 1931-09-17 |
| 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 | 1935-08-21 |
| 1936 | 1936-05-07 | 1936-09-23 |
| 1937 | 1937-07-05 | 1937-09-03 |
| 1938 | 1938-06-20 | 1938-08-21 |
| 1939 | 1939-06-28 | 1939-09-16 |
| 1940 | 1940-07-22 | 1940-08-18 |
| 1941 | 1941-05-20 | 1941-09-22 |
| 1942 | 1942-07-12 | 1942-08-22 |
| 1943 | 1943-06-04 | 1943-09-01 |
| 1944 | 1944-05-30 | 1944-08-21 |
| 1945 | 1945-06-23 | 1945-09-07 |
| 1946 | 1946-06-24 | 1946-10-06 |
| 1947 | 1947-06-23 | 1947-09-12 |
| 1948 | 1948-06-04 | 1948-09-12 |
| 1951 | 1951-06-18 | 1951-08-30 |
| 1952 | 1952-06-24 | 1952-09-14 |
| 1953 | 1953-06-20 | 1953-09-05 |
| 1957 | 1957-06-16 | 1957-08-03 |
| 1962 | 1962-05-15 | 1962-09-13 |
| 1964 | 1964-05-22 | 1964-07-28 |
| 1965 | 1965-05-26 | 1965-08-15 |
| 1966 | 1966-06-24 | 1966-08-18 |
| 1967 | 1967-06-14 | 1967-06-16 |
| 1968 | 1968-06-07 | 1968-08-24 |
| 1970 | 1970-06-10 | 1970-08-16 |
| 1971 | 1971-06-20 | 1971-09-08 |
| 1972 | 1972-07-12 | 1972-07-23 |
| 1973 | 1973-06-11 | 1973-09-05 |
| 1974 | 1974-07-04 | 1974-08-22 |
| 1975 | 1975-06-22 | 1975-08-10 |
| 1976 | 1976-06-08 | 1976-08-21 |
| 1977 | 1977-05-17 | 1977-08-29 |
| 1978 | 1978-05-26 | 1978-08-19 |
| 1979 | 1979-06-15 | 1979-08-04 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 50 | 29 | 1936 | 8 |
| 35 C (95 F): Days | 12 | 6 | 1936 | 2 |
| 40 C (104 F): Days | 1 | 3 | 1936 | 3 |
| 90 F (32.2 C): Days | 41 | 14 | 1936 | 4 |
| 100 F (37.8 C): Days | 2 | 5 | 1936 | 1 |
| 0 C (32 F): Ice days (max | 50 | 105 | 1926 | 70 |
| 0 C (32 F): Frost days (min | 51 | 188 | 1976 | 150 |
| -10 C (14 F): Days with min | 51 | 78 | 1978 | 54 |
| -20 C (-4 F): Days with min | 49 | 26 | 1934 | 14 |
| -30 C (-22 F): Days with min | 10 | 2 | 1934 | 1 |
| 20 C (68 F): Tropical nights (min | 48 | 14 | 1919 | 2 |
| 25 C (77 F): Days with min | 2 | 2 | 1936 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 48 | 36 | 1947 | 33 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 46 | 11 | 1977 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 16 | 2 | 1921 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 49 | 19 | 1947 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 6 | 2 | 1968 | 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 1919.
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).