Earlton A Threshold Days by Year (CA006072225)
17 fixed thresholds counted per year at Earlton A (CA006072225): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Earlton A Thresholds
- Earlton A: days with a maximum temperature at or below 0 C (32 F) in 45 years, most in 1940 with 131.
- Earlton A: nights with a minimum temperature at or below 0 C (32 F) in 45 years, most in 1939 with 221.
- Earlton A: nights with a minimum temperature at or below -10 C (14 F) in 45 years, most in 1978 with 127.
- Earlton A: nights with a minimum temperature at or below -20 C (-4 F) in 45 years, most in 1976 with 82.
- 17 fixed thresholds have at least one qualifying day at Earlton A.
Days at or above 30 C (86 F)
44 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1939 | 5 | 5 |
| 1940 | 3 | 9.9 |
| 1941 | 12 | 9.9 |
| 1942 | 8 | 9.9 |
| 1943 | 6 | 9.9 |
| 1944 | 18 | 9.9 |
| 1945 | 7 | 9.9 |
| 1946 | 5 | 9.9 |
| 1947 | 21 | 9.9 |
| 1948 | 7 | 9.9 |
| 1949 | 12 | 9.9 |
| 1950 | 1 | 9.3 |
| 1951 | 1 | 9.3 |
| 1952 | 13 | 9.3 |
| 1953 | 11 | 9.3 |
| 1955 | 26 | 9.3 |
| 1956 | 4 | 9.3 |
| 1957 | 7 | 9.3 |
| 1958 | 4 | 9.3 |
| 1959 | 17 | 9.3 |
| 1960 | 2 | 6.8 |
| 1961 | 3 | 6.8 |
| 1962 | 6 | 6.8 |
| 1963 | 17 | 6.8 |
| 1964 | 8 | 6.8 |
| 1965 | 4 | 6.8 |
| 1966 | 9 | 6.8 |
| 1967 | 6 | 6.8 |
| 1968 | 5 | 6.8 |
| 1969 | 8 | 6.8 |
| 1970 | 12 | 9.7 |
| 1971 | 9 | 9.7 |
| 1972 | 4 | 9.7 |
| 1973 | 9 | 9.7 |
| 1974 | 7 | 9.7 |
| 1975 | 18 | 9.7 |
| 1976 | 19 | 9.7 |
| 1977 | 7 | 9.7 |
| 1978 | 7 | 9.7 |
| 1979 | 5 | 9.7 |
| 1980 | 3 | 6.5 |
| 1981 | 4 | 6.5 |
| 1982 | 4 | 6.5 |
| 1983 | 15 | 6.5 |
| Year | First date | Last date |
|---|---|---|
| 1939 | 1939-07-06 | 1939-09-15 |
| 1940 | 1940-07-22 | 1940-07-25 |
| 1941 | 1941-05-20 | 1941-09-22 |
| 1942 | 1942-05-01 | 1942-09-01 |
| 1943 | 1943-06-24 | 1943-07-14 |
| 1944 | 1944-05-29 | 1944-08-15 |
| 1945 | 1945-06-24 | 1945-09-08 |
| 1946 | 1946-06-25 | 1946-07-18 |
| 1947 | 1947-06-27 | 1947-09-06 |
| 1948 | 1948-06-02 | 1948-08-27 |
| 1949 | 1949-06-03 | 1949-08-26 |
| 1950 | 1950-06-24 | 1950-06-24 |
| 1951 | 1951-05-25 | 1951-05-25 |
| 1952 | 1952-06-14 | 1952-09-13 |
| 1953 | 1953-07-12 | 1953-09-04 |
| 1955 | 1955-06-06 | 1955-08-21 |
| 1956 | 1956-06-11 | 1956-06-14 |
| 1957 | 1957-06-17 | 1957-08-08 |
| 1958 | 1958-07-24 | 1958-08-06 |
| 1959 | 1959-05-29 | 1959-09-09 |
| 1960 | 1960-07-10 | 1960-09-07 |
| 1961 | 1961-06-29 | 1961-09-10 |
| 1962 | 1962-05-16 | 1962-07-07 |
| 1963 | 1963-06-02 | 1963-07-28 |
| 1964 | 1964-05-22 | 1964-07-24 |
| 1965 | 1965-05-26 | 1965-08-14 |
| 1966 | 1966-06-23 | 1966-07-31 |
| 1967 | 1967-06-02 | 1967-07-22 |
| 1968 | 1968-07-15 | 1968-08-24 |
| 1969 | 1969-05-28 | 1969-08-30 |
| 1970 | 1970-06-09 | 1970-08-15 |
| 1971 | 1971-06-17 | 1971-09-03 |
| 1972 | 1972-05-20 | 1972-07-12 |
| 1973 | 1973-07-07 | 1973-09-02 |
| 1974 | 1974-07-08 | 1974-08-22 |
| 1975 | 1975-05-21 | 1975-08-09 |
| 1976 | 1976-06-05 | 1976-08-25 |
| 1977 | 1977-05-17 | 1977-07-20 |
| 1978 | 1978-05-26 | 1978-08-15 |
| 1979 | 1979-07-13 | 1979-07-24 |
| 1980 | 1980-05-21 | 1980-07-10 |
| 1981 | 1981-07-06 | 1981-08-01 |
| 1982 | 1982-07-06 | 1982-07-21 |
| 1983 | 1983-06-12 | 1983-09-03 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 44 | 26 | 1955 | 15 |
| 35 C (95 F): Days | 8 | 4 | 1975 | 1 |
| 90 F (32.2 C): Days | 34 | 10 | 1955 | 5 |
| 100 F (37.8 C): Days | 1 | 1 | 1975 | 1 |
| 0 C (32 F): Ice days (max | 45 | 131 | 1940 | 114 |
| 0 C (32 F): Frost days (min | 45 | 221 | 1939 | 204 |
| -10 C (14 F): Days with min | 45 | 127 | 1978 | 101 |
| -20 C (-4 F): Days with min | 45 | 82 | 1976 | 58 |
| -30 C (-22 F): Days with min | 45 | 29 | 1976 | 17 |
| -40 C (-40 F): Days with min | 24 | 4 | 1955 | 1 |
| 20 C (68 F): Tropical nights (min | 17 | 5 | 1947 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 45 | 34 | 1941 | 20 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 43 | 9 | 1979 | 5 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 11 | 3 | 1957 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 44 | 13 | 1972 | 4 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 13 | 3 | 1964 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1979 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1939.
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).