High River Threshold Days by Year (CA003033240)
16 fixed thresholds counted per year at High River (CA003033240): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for High River Thresholds
- High River: days with a maximum temperature at or below 0 C (32 F) in 67 years, most in 1972 with 98.
- High River: nights with a minimum temperature at or below 0 C (32 F) in 67 years, most in 1920 with 246.
- High River: nights with a minimum temperature at or below -10 C (14 F) in 67 years, most in 1955 with 122.
- High River: nights with a minimum temperature at or below -20 C (-4 F) in 67 years, most in 1936 with 73.
- 16 fixed thresholds have at least one qualifying day at High River.
Days at or above 30 C (86 F)
61 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1908 | 4 | 3.5 |
| 1909 | 3 | 3.5 |
| 1910 | 18 | 11.3 |
| 1911 | 1 | 11.3 |
| 1919 | 15 | 11.3 |
| 1920 | 6 | 5.9 |
| 1921 | 3 | 5.9 |
| 1922 | 6 | 5.9 |
| 1923 | 1 | 5.9 |
| 1924 | 4 | 5.9 |
| 1925 | 7 | 5.9 |
| 1926 | 5 | 5.9 |
| 1927 | 1 | 5.9 |
| 1928 | 9 | 5.9 |
| 1929 | 17 | 5.9 |
| 1930 | 15 | 18.7 |
| 1931 | 30 | 18.7 |
| 1932 | 7 | 18.7 |
| 1933 | 26 | 18.7 |
| 1934 | 16 | 18.7 |
| 1936 | 31 | 18.7 |
| 1937 | 11 | 18.7 |
| 1938 | 16 | 18.7 |
| 1939 | 16 | 18.7 |
| 1940 | 12 | 8 |
| 1942 | 11 | 8 |
| 1944 | 7 | 8 |
| 1945 | 12 | 8 |
| 1946 | 9 | 8 |
| 1947 | 5 | 8 |
| 1948 | 2 | 8 |
| 1949 | 6 | 8 |
| 1950 | 3 | 2.9 |
| 1951 | 1 | 2.9 |
| 1952 | 1 | 2.9 |
| 1954 | 3 | 2.9 |
| 1955 | 6 | 2.9 |
| 1956 | 3 | 2.9 |
| 1957 | 2 | 2.9 |
| 1958 | 3 | 2.9 |
| 1959 | 4 | 2.9 |
| 1960 | 12 | 5.6 |
| 1961 | 11 | 5.6 |
| 1962 | 2 | 5.6 |
| 1964 | 2 | 5.6 |
| 1965 | 1 | 5.6 |
| 1967 | 7 | 5.6 |
| 1969 | 4 | 5.6 |
| 1970 | 16 | 7 |
| 1971 | 17 | 7 |
| 1972 | 2 | 7 |
| 1973 | 8 | 7 |
| 1974 | 6 | 7 |
| 1975 | 6 | 7 |
| 1976 | 3 | 7 |
| 1977 | 4 | 7 |
| 1978 | 3 | 7 |
| 1979 | 5 | 7 |
| 1981 | 4 | 4.7 |
| 1982 | 1 | 4.7 |
| 1983 | 9 | 4.7 |
| Year | First date | Last date |
|---|---|---|
| 1908 | 1908-07-09 | 1908-08-20 |
| 1909 | 1909-07-24 | 1909-08-15 |
| 1910 | 1910-04-26 | 1910-08-19 |
| 1911 | 1911-07-26 | 1911-07-26 |
| 1919 | 1919-06-18 | 1919-08-18 |
| 1920 | 1920-07-30 | 1920-08-21 |
| 1921 | 1921-07-20 | 1921-07-23 |
| 1922 | 1922-07-04 | 1922-08-28 |
| 1923 | 1923-07-23 | 1923-07-23 |
| 1924 | 1924-07-01 | 1924-07-26 |
| 1925 | 1925-06-28 | 1925-08-02 |
| 1926 | 1926-06-25 | 1926-08-25 |
| 1927 | 1927-08-04 | 1927-08-04 |
| 1928 | 1928-05-25 | 1928-09-03 |
| 1929 | 1929-07-13 | 1929-08-31 |
| 1930 | 1930-07-06 | 1930-08-24 |
| 1931 | 1931-05-13 | 1931-09-04 |
| 1932 | 1932-07-22 | 1932-09-06 |
| 1933 | 1933-06-02 | 1933-10-07 |
| 1934 | 1934-05-25 | 1934-10-11 |
| 1936 | 1936-05-14 | 1936-08-29 |
| 1937 | 1937-06-28 | 1937-09-17 |
| 1938 | 1938-06-20 | 1938-09-18 |
| 1939 | 1939-05-14 | 1939-08-24 |
| 1940 | 1940-07-02 | 1940-08-31 |
| 1942 | 1942-07-01 | 1942-09-08 |
| 1944 | 1944-07-18 | 1944-09-12 |
| 1945 | 1945-06-25 | 1945-10-15 |
| 1946 | 1946-07-21 | 1946-08-23 |
| 1947 | 1947-07-07 | 1947-08-03 |
| 1948 | 1948-06-08 | 1948-09-10 |
| 1949 | 1949-07-15 | 1949-08-17 |
| 1950 | 1950-07-25 | 1950-09-03 |
| 1951 | 1951-08-03 | 1951-08-03 |
| 1952 | 1952-07-07 | 1952-07-07 |
| 1954 | 1954-07-07 | 1954-07-19 |
| 1955 | 1955-07-15 | 1955-09-02 |
| 1956 | 1956-05-31 | 1956-07-21 |
| 1957 | 1957-07-11 | 1957-07-25 |
| 1958 | 1958-08-10 | 1958-08-25 |
| 1959 | 1959-06-12 | 1959-08-01 |
| 1960 | 1960-07-07 | 1960-09-03 |
| 1961 | 1961-06-15 | 1961-08-23 |
| 1962 | 1962-08-01 | 1962-08-16 |
| 1964 | 1964-07-12 | 1964-08-07 |
| 1965 | 1965-08-02 | 1965-08-02 |
| 1967 | 1967-07-28 | 1967-09-27 |
| 1969 | 1969-06-04 | 1969-09-12 |
| 1970 | 1970-06-02 | 1970-08-25 |
| 1971 | 1971-07-16 | 1971-08-27 |
| 1972 | 1972-08-08 | 1972-08-28 |
| 1973 | 1973-06-22 | 1973-08-04 |
| 1974 | 1974-06-16 | 1974-08-05 |
| 1975 | 1975-07-05 | 1975-07-27 |
| 1976 | 1976-07-16 | 1976-07-26 |
| 1977 | 1977-06-01 | 1977-07-22 |
| 1978 | 1978-08-04 | 1978-08-09 |
| 1979 | 1979-07-18 | 1979-07-22 |
| 1981 | 1981-09-08 | 1981-09-18 |
| 1982 | 1982-07-30 | 1982-07-30 |
| 1983 | 1983-07-31 | 1983-08-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 61 | 31 | 1936 | 9 |
| 35 C (95 F): Days | 10 | 4 | 1936 | 1 |
| 90 F (32.2 C): Days | 37 | 13 | 1936 | 2 |
| 0 C (32 F): Ice days (max | 67 | 98 | 1972 | 65 |
| 0 C (32 F): Frost days (min | 67 | 246 | 1920 | 211 |
| -10 C (14 F): Days with min | 67 | 122 | 1955 | 73 |
| -20 C (-4 F): Days with min | 67 | 73 | 1936 | 27 |
| -30 C (-22 F): Days with min | 65 | 30 | 1936 | 8 |
| -40 C (-40 F): Days with min | 19 | 10 | 1950 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 66 | 23 | 1978 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 56 | 7 | 1923 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 22 | 3 | 1923 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1926 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 66 | 12 | 1924 | 5 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 18 | 4 | 1920 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1920 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1908.
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).