Toronto Ellesmere Threshold Days by Year (CA006158520)
15 fixed thresholds counted per year at Toronto Ellesmere (CA006158520): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Toronto Ellesmere Thresholds
- Toronto Ellesmere: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 1983 with 38.
- Toronto Ellesmere: days with a maximum temperature at or below 0 C (32 F) in 22 years, most in 1978 with 73.
- Toronto Ellesmere: days with a maximum temperature at or above 90 F (32.2 C) in 19 years, most in 1973 with 11.
- Toronto Ellesmere: nights with a minimum temperature at or below 0 C (32 F) in 19 years, most in 1978 with 160.
- 15 fixed thresholds have at least one qualifying day at Toronto Ellesmere.
Days at or above 30 C (86 F)
22 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1961 | 8 | 14.1 |
| 1962 | 11 | 14.1 |
| 1963 | 15 | 14.1 |
| 1964 | 22 | 14.1 |
| 1965 | 8 | 14.1 |
| 1966 | 20 | 14.1 |
| 1967 | 7 | 14.1 |
| 1968 | 17 | 14.1 |
| 1969 | 19 | 14.1 |
| 1970 | 2 | 12.3 |
| 1971 | 9 | 12.3 |
| 1972 | 8 | 12.3 |
| 1973 | 17 | 12.3 |
| 1974 | 10 | 12.3 |
| 1975 | 16 | 12.3 |
| 1977 | 12 | 12.3 |
| 1978 | 21 | 12.3 |
| 1979 | 16 | 12.3 |
| 1980 | 16 | 18.8 |
| 1981 | 12 | 18.8 |
| 1982 | 9 | 18.8 |
| 1983 | 38 | 18.8 |
| Year | First date | Last date |
|---|---|---|
| 1961 | 1961-06-29 | 1961-09-11 |
| 1962 | 1962-05-16 | 1962-09-13 |
| 1963 | 1963-06-09 | 1963-08-06 |
| 1964 | 1964-05-19 | 1964-09-10 |
| 1965 | 1965-05-26 | 1965-08-18 |
| 1966 | 1966-06-05 | 1966-09-02 |
| 1967 | 1967-06-14 | 1967-08-16 |
| 1968 | 1968-06-06 | 1968-08-24 |
| 1969 | 1969-05-28 | 1969-09-13 |
| 1970 | 1970-06-09 | 1970-06-11 |
| 1971 | 1971-06-20 | 1971-09-08 |
| 1972 | 1972-07-12 | 1972-08-28 |
| 1973 | 1973-06-11 | 1973-09-05 |
| 1974 | 1974-07-04 | 1974-08-21 |
| 1975 | 1975-05-21 | 1975-08-25 |
| 1977 | 1977-05-17 | 1977-09-01 |
| 1978 | 1978-05-26 | 1978-09-11 |
| 1979 | 1979-05-09 | 1979-09-06 |
| 1980 | 1980-05-05 | 1980-08-27 |
| 1981 | 1981-06-15 | 1981-07-18 |
| 1982 | 1982-07-06 | 1982-07-26 |
| 1983 | 1983-06-12 | 1983-09-12 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 22 | 38 | 1983 | 38 |
| 35 C (95 F): Days | 8 | 3 | 1966 | 2 |
| 90 F (32.2 C): Days | 19 | 11 | 1973 | 8 |
| 0 C (32 F): Ice days (max | 22 | 73 | 1978 | 44 |
| 0 C (32 F): Frost days (min | 19 | 160 | 1978 | 135 |
| -10 C (14 F): Days with min | 19 | 74 | 1978 | 38 |
| -20 C (-4 F): Days with min | 18 | 14 | 1968 | 3 |
| -30 C (-22 F): Days with min | 2 | 4 | 1979 | 1 |
| 20 C (68 F): Tropical nights (min | 18 | 25 | 1973 | 25 |
| 25 C (77 F): Days with min | 4 | 1 | 1972 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 15 | 38 | 1977 | 26 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 15 | 8 | 1977 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 4 | 3 | 1977 | 3 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 15 | 7 | 1971 | 6 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 2 | 1 | 1968 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1961.
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).