Rosetown Cda Epf Threshold Days by Year
18 fixed thresholds counted per year at Rosetown Cda Epf (CA004046880): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Rosetown Cda Epf Thresholds
- Rosetown Cda Epf: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1954 with 18.
- Rosetown Cda Epf: days with 10 cm (3.9 in) or more of snowfall in 45 years, most in 1950 with 5.
- Rosetown Cda Epf: days with 25 mm (0.98 in) or more of precipitation in 43 years, most in 1935 with 4.
- Rosetown Cda Epf: days with a maximum temperature at or above 30 C (86 F) in 41 years, most in 1961 with 44.
- 18 fixed thresholds have at least one qualifying day at Rosetown Cda Epf.
Days at or above 30 C (86 F)
41 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1938 | 27 | 29 |
| 1939 | 31 | 29 |
| 1940 | 27 | 26.9 |
| 1941 | 31 | 26.9 |
| 1942 | 17 | 26.9 |
| 1943 | 34 | 26.9 |
| 1944 | 26 | 26.9 |
| 1945 | 23 | 26.9 |
| 1948 | 27 | 26.9 |
| 1949 | 30 | 26.9 |
| 1950 | 20 | 14 |
| 1951 | 9 | 14 |
| 1952 | 12 | 14 |
| 1953 | 16 | 14 |
| 1954 | 6 | 14 |
| 1955 | 14 | 14 |
| 1956 | 12 | 14 |
| 1957 | 11 | 14 |
| 1958 | 22 | 14 |
| 1959 | 18 | 14 |
| 1960 | 17 | 20.5 |
| 1961 | 44 | 20.5 |
| 1962 | 6 | 20.5 |
| 1963 | 18 | 20.5 |
| 1964 | 19 | 20.5 |
| 1965 | 20 | 20.5 |
| 1966 | 16 | 20.5 |
| 1967 | 29 | 20.5 |
| 1968 | 11 | 20.5 |
| 1969 | 25 | 20.5 |
| 1970 | 23 | 16.4 |
| 1971 | 24 | 16.4 |
| 1972 | 16 | 16.4 |
| 1973 | 20 | 16.4 |
| 1974 | 5 | 16.4 |
| 1975 | 10 | 16.4 |
| 1976 | 14 | 16.4 |
| 1977 | 11 | 16.4 |
| 1978 | 17 | 16.4 |
| 1979 | 24 | 16.4 |
| 1980 | 18 | 18 |
| Year | First date | Last date |
|---|---|---|
| 1938 | 1938-05-27 | 1938-09-24 |
| 1939 | 1939-04-28 | 1939-09-21 |
| 1940 | 1940-05-22 | 1940-09-11 |
| 1941 | 1941-05-23 | 1941-08-22 |
| 1942 | 1942-04-21 | 1942-09-09 |
| 1943 | 1943-05-21 | 1943-10-05 |
| 1944 | 1944-05-27 | 1944-09-11 |
| 1945 | 1945-06-21 | 1945-09-02 |
| 1948 | 1948-05-17 | 1948-09-22 |
| 1949 | 1949-04-28 | 1949-09-30 |
| 1950 | 1950-05-27 | 1950-09-24 |
| 1951 | 1951-05-23 | 1951-08-04 |
| 1952 | 1952-04-28 | 1952-09-26 |
| 1953 | 1953-05-07 | 1953-08-21 |
| 1954 | 1954-05-19 | 1954-08-30 |
| 1955 | 1955-06-29 | 1955-09-02 |
| 1956 | 1956-06-01 | 1956-08-24 |
| 1957 | 1957-07-09 | 1957-08-05 |
| 1958 | 1958-05-11 | 1958-09-12 |
| 1959 | 1959-05-16 | 1959-08-08 |
| 1960 | 1960-05-11 | 1960-09-03 |
| 1961 | 1961-05-21 | 1961-09-05 |
| 1962 | 1962-06-24 | 1962-08-17 |
| 1963 | 1963-05-29 | 1963-09-09 |
| 1964 | 1964-05-19 | 1964-08-18 |
| 1965 | 1965-06-10 | 1965-08-23 |
| 1966 | 1966-05-26 | 1966-09-18 |
| 1967 | 1967-06-02 | 1967-09-06 |
| 1968 | 1968-06-19 | 1968-09-11 |
| 1969 | 1969-06-04 | 1969-09-13 |
| 1970 | 1970-06-02 | 1970-08-28 |
| 1971 | 1971-05-13 | 1971-09-06 |
| 1972 | 1972-05-31 | 1972-08-29 |
| 1973 | 1973-06-13 | 1973-08-21 |
| 1974 | 1974-06-19 | 1974-08-05 |
| 1975 | 1975-06-24 | 1975-09-15 |
| 1976 | 1976-05-28 | 1976-09-17 |
| 1977 | 1977-04-26 | 1977-08-24 |
| 1978 | 1978-06-04 | 1978-09-04 |
| 1979 | 1979-06-12 | 1979-09-16 |
| 1980 | 1980-04-20 | 1980-09-07 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 41 | 44 | 1961 | 18 |
| 35 C (95 F): Days | 31 | 10 | 1941 | 1 |
| 40 C (104 F): Days | 3 | 3 | 1941 | 1 |
| 90 F (32.2 C): Days | 41 | 24 | 1961 | 4 |
| 100 F (37.8 C): Days | 7 | 5 | 1941 | 1 |
| 110 F (43.3 C): Days | 1 | 1 | 1949 | 1 |
| 0 C (32 F): Ice days (max | 41 | 147 | 1951 | 106 |
| 0 C (32 F): Frost days (min | 41 | 225 | 1945 | 204 |
| -10 C (14 F): Days with min | 41 | 139 | 1948 | 115 |
| -20 C (-4 F): Days with min | 41 | 83 | 1955 | 54 |
| -30 C (-22 F): Days with min | 41 | 35 | 1949 | 14 |
| -40 C (-40 F): Days with min | 16 | 11 | 1950 | 2 |
| 20 C (68 F): Tropical nights (min | 2 | 1 | 1945 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 57 | 18 | 1954 | 5 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 43 | 4 | 1935 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 6 | 1 | 1924 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 45 | 5 | 1950 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 3 | 1 | 1935 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1938.
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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2026-10-13).