Three Hills Threshold Days by Year (CA003026480)
17 fixed thresholds counted per year at Three Hills (CA003026480): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Three Hills Thresholds
- Three Hills: days with a maximum temperature at or above 30 C (86 F) in 55 years, most in 1936 with 33.
- Three Hills: days with a maximum temperature at or below 0 C (32 F) in 55 years, most in 1951 with 127.
- Three Hills: days with 10 mm (0.39 in) or more of precipitation in 55 years, most in 1951 with 18.
- Three Hills: nights with a minimum temperature at or below 0 C (32 F) in 54 years, most in 1945 with 247.
- 17 fixed thresholds have at least one qualifying day at Three Hills.
Days at or above 30 C (86 F)
55 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1921 | 15 | 13.8 |
| 1922 | 7 | 13.8 |
| 1923 | 11 | 13.8 |
| 1924 | 14 | 13.8 |
| 1925 | 14 | 13.8 |
| 1926 | 15 | 13.8 |
| 1927 | 3 | 13.8 |
| 1928 | 14 | 13.8 |
| 1929 | 31 | 13.8 |
| 1930 | 29 | 17.2 |
| 1931 | 9 | 17.2 |
| 1932 | 8 | 17.2 |
| 1933 | 20 | 17.2 |
| 1934 | 22 | 17.2 |
| 1935 | 8 | 17.2 |
| 1936 | 33 | 17.2 |
| 1937 | 17 | 17.2 |
| 1938 | 8 | 17.2 |
| 1939 | 18 | 17.2 |
| 1940 | 9 | 13 |
| 1941 | 14 | 13 |
| 1942 | 8 | 13 |
| 1943 | 11 | 13 |
| 1944 | 13 | 13 |
| 1945 | 17 | 13 |
| 1946 | 12 | 13 |
| 1947 | 18 | 13 |
| 1948 | 8 | 13 |
| 1949 | 20 | 13 |
| 1950 | 20 | 11.2 |
| 1951 | 3 | 11.2 |
| 1952 | 7 | 11.2 |
| 1953 | 9 | 11.2 |
| 1954 | 3 | 11.2 |
| 1955 | 13 | 11.2 |
| 1956 | 18 | 11.2 |
| 1957 | 8 | 11.2 |
| 1958 | 19 | 11.2 |
| 1959 | 12 | 11.2 |
| 1960 | 18 | 17.1 |
| 1961 | 28 | 17.1 |
| 1962 | 14 | 17.1 |
| 1965 | 14 | 17.1 |
| 1966 | 10 | 17.1 |
| 1967 | 27 | 17.1 |
| 1968 | 7 | 17.1 |
| 1969 | 19 | 17.1 |
| 1970 | 20 | 13.6 |
| 1971 | 19 | 13.6 |
| 1972 | 8 | 13.6 |
| 1973 | 12 | 13.6 |
| 1974 | 15 | 13.6 |
| 1975 | 12 | 13.6 |
| 1976 | 9 | 13.6 |
| 1977 | 14 | 13.6 |
| Year | First date | Last date |
|---|---|---|
| 1921 | 1921-06-06 | 1921-08-30 |
| 1922 | 1922-05-25 | 1922-08-01 |
| 1923 | 1923-06-10 | 1923-09-08 |
| 1924 | 1924-05-14 | 1924-08-12 |
| 1925 | 1925-06-20 | 1925-08-26 |
| 1926 | 1926-06-25 | 1926-08-24 |
| 1927 | 1927-07-22 | 1927-07-24 |
| 1928 | 1928-05-20 | 1928-08-10 |
| 1929 | 1929-06-08 | 1929-08-31 |
| 1930 | 1930-06-06 | 1930-08-24 |
| 1931 | 1931-05-14 | 1931-08-19 |
| 1932 | 1932-07-22 | 1932-09-06 |
| 1933 | 1933-06-13 | 1933-08-28 |
| 1934 | 1934-05-14 | 1934-10-11 |
| 1935 | 1935-07-12 | 1935-08-22 |
| 1936 | 1936-05-14 | 1936-08-09 |
| 1937 | 1937-06-02 | 1937-08-21 |
| 1938 | 1938-06-20 | 1938-09-19 |
| 1939 | 1939-04-28 | 1939-08-25 |
| 1940 | 1940-05-22 | 1940-08-31 |
| 1941 | 1941-05-23 | 1941-08-09 |
| 1942 | 1942-05-22 | 1942-08-19 |
| 1943 | 1943-07-06 | 1943-10-04 |
| 1944 | 1944-05-15 | 1944-09-12 |
| 1945 | 1945-06-21 | 1945-08-24 |
| 1946 | 1946-05-25 | 1946-08-23 |
| 1947 | 1947-07-06 | 1947-08-08 |
| 1948 | 1948-06-07 | 1948-09-10 |
| 1949 | 1949-05-11 | 1949-08-17 |
| 1950 | 1950-06-11 | 1950-09-23 |
| 1951 | 1951-06-14 | 1951-08-04 |
| 1952 | 1952-07-30 | 1952-09-26 |
| 1953 | 1953-05-06 | 1953-08-19 |
| 1954 | 1954-07-05 | 1954-07-19 |
| 1955 | 1955-07-14 | 1955-09-02 |
| 1956 | 1956-05-19 | 1956-08-22 |
| 1957 | 1957-06-03 | 1957-07-26 |
| 1958 | 1958-05-28 | 1958-09-12 |
| 1959 | 1959-07-11 | 1959-08-01 |
| 1960 | 1960-07-06 | 1960-09-03 |
| 1961 | 1961-06-03 | 1961-08-24 |
| 1962 | 1962-06-24 | 1962-08-24 |
| 1965 | 1965-06-09 | 1965-08-22 |
| 1966 | 1966-05-26 | 1966-09-18 |
| 1967 | 1967-06-26 | 1967-09-27 |
| 1968 | 1968-06-26 | 1968-09-10 |
| 1969 | 1969-05-24 | 1969-09-12 |
| 1970 | 1970-06-02 | 1970-08-23 |
| 1971 | 1971-07-19 | 1971-09-05 |
| 1972 | 1972-05-30 | 1972-08-28 |
| 1973 | 1973-05-16 | 1973-08-14 |
| 1974 | 1974-06-15 | 1974-08-05 |
| 1975 | 1975-07-03 | 1975-09-15 |
| 1976 | 1976-05-27 | 1976-09-01 |
| 1977 | 1977-04-24 | 1977-07-28 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 55 | 33 | 1936 | 14 |
| 35 C (95 F): Days | 25 | 6 | 1929 | 1 |
| 40 C (104 F): Days | 1 | 1 | 1930 | 1 |
| 90 F (32.2 C): Days | 53 | 20 | 1930 | 4 |
| 100 F (37.8 C): Days | 4 | 1 | 1921 | 1 |
| 0 C (32 F): Ice days (max | 55 | 127 | 1951 | 74 |
| 0 C (32 F): Frost days (min | 54 | 247 | 1945 | 213 |
| -10 C (14 F): Days with min | 54 | 145 | 1935 | 128 |
| -20 C (-4 F): Days with min | 54 | 84 | 1955 | 44 |
| -30 C (-22 F): Days with min | 54 | 39 | 1936 | 16 |
| -40 C (-40 F): Days with min | 27 | 12 | 1936 | 2 |
| 20 C (68 F): Tropical nights (min | 1 | 1 | 1929 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 55 | 18 | 1951 | 8 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 37 | 5 | 1957 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 10 | 1 | 1924 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 46 | 5 | 1921 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1943 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1921.
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).