St George Threshold Days by Year (CA008104700)
17 fixed thresholds counted per year at St George (CA008104700): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for St George Thresholds
- St George: days with a maximum temperature at or below 0 C (32 F) in 56 years, most in 1926 with 83.
- St George: nights with a minimum temperature at or below 0 C (32 F) in 55 years, most in 1925 with 201.
- St George: nights with a minimum temperature at or below -10 C (14 F) in 55 years, most in 1926 with 97.
- St George: nights with a minimum temperature at or below -20 C (-4 F) in 54 years, most in 1923 with 44.
- 17 fixed thresholds have at least one qualifying day at St George.
Days at or above 30 C (86 F)
39 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1920 | 4 | 2.7 |
| 1925 | 1 | 2.7 |
| 1928 | 3 | 2.7 |
| 1930 | 1 | 3.3 |
| 1931 | 1 | 3.3 |
| 1935 | 5 | 3.3 |
| 1937 | 6 | 3.3 |
| 1938 | 2 | 3.3 |
| 1939 | 5 | 3.3 |
| 1940 | 1 | 5.2 |
| 1941 | 2 | 5.2 |
| 1943 | 2 | 5.2 |
| 1944 | 9 | 5.2 |
| 1945 | 8 | 5.2 |
| 1946 | 5 | 5.2 |
| 1947 | 5 | 5.2 |
| 1948 | 6 | 5.2 |
| 1949 | 9 | 5.2 |
| 1950 | 1 | 2.7 |
| 1951 | 2 | 2.7 |
| 1953 | 6 | 2.7 |
| 1954 | 1 | 2.7 |
| 1955 | 5 | 2.7 |
| 1957 | 2 | 2.7 |
| 1959 | 2 | 2.7 |
| 1960 | 1 | 1.8 |
| 1961 | 1 | 1.8 |
| 1965 | 2 | 1.8 |
| 1968 | 1 | 1.8 |
| 1969 | 4 | 1.8 |
| 1970 | 3 | 4.6 |
| 1973 | 5 | 4.6 |
| 1974 | 2 | 4.6 |
| 1975 | 7 | 4.6 |
| 1976 | 8 | 4.6 |
| 1977 | 5 | 4.6 |
| 1978 | 4 | 4.6 |
| 1979 | 3 | 4.6 |
| 1980 | 2 | 2 |
| Year | First date | Last date |
|---|---|---|
| 1920 | 1920-08-08 | 1920-09-24 |
| 1925 | 1925-06-05 | 1925-06-05 |
| 1928 | 1928-08-15 | 1928-08-17 |
| 1930 | 1930-06-16 | 1930-06-16 |
| 1931 | 1931-06-20 | 1931-06-20 |
| 1935 | 1935-07-06 | 1935-08-20 |
| 1937 | 1937-06-01 | 1937-09-04 |
| 1938 | 1938-06-21 | 1938-07-31 |
| 1939 | 1939-07-25 | 1939-09-16 |
| 1940 | 1940-07-08 | 1940-07-08 |
| 1941 | 1941-06-21 | 1941-06-22 |
| 1943 | 1943-06-25 | 1943-07-12 |
| 1944 | 1944-05-31 | 1944-08-15 |
| 1945 | 1945-07-01 | 1945-09-08 |
| 1946 | 1946-06-27 | 1946-09-19 |
| 1947 | 1947-08-12 | 1947-09-10 |
| 1948 | 1948-07-11 | 1948-08-29 |
| 1949 | 1949-07-04 | 1949-08-27 |
| 1950 | 1950-06-08 | 1950-06-08 |
| 1951 | 1951-07-08 | 1951-09-13 |
| 1953 | 1953-06-20 | 1953-08-29 |
| 1954 | 1954-06-26 | 1954-06-26 |
| 1955 | 1955-06-19 | 1955-08-20 |
| 1957 | 1957-06-16 | 1957-06-24 |
| 1959 | 1959-05-28 | 1959-07-27 |
| 1960 | 1960-09-08 | 1960-09-08 |
| 1961 | 1961-09-11 | 1961-09-11 |
| 1965 | 1965-07-25 | 1965-08-07 |
| 1968 | 1968-07-16 | 1968-07-16 |
| 1969 | 1969-06-28 | 1969-09-01 |
| 1970 | 1970-07-23 | 1970-07-25 |
| 1973 | 1973-07-08 | 1973-09-02 |
| 1974 | 1974-06-08 | 1974-06-09 |
| 1975 | 1975-06-21 | 1975-08-02 |
| 1976 | 1976-06-11 | 1976-08-22 |
| 1977 | 1977-05-17 | 1977-08-29 |
| 1978 | 1978-07-21 | 1978-08-23 |
| 1979 | 1979-06-16 | 1979-07-13 |
| 1980 | 1980-07-25 | 1980-08-24 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 39 | 9 | 1944 | 2 |
| 35 C (95 F): Days | 2 | 1 | 1935 | 1 |
| 90 F (32.2 C): Days | 18 | 6 | 1944 | 1 |
| 100 F (37.8 C): Days | 1 | 1 | 1977 | 1 |
| 0 C (32 F): Ice days (max | 56 | 83 | 1926 | 62 |
| 0 C (32 F): Frost days (min | 55 | 201 | 1925 | 181 |
| -10 C (14 F): Days with min | 55 | 97 | 1926 | 77 |
| -20 C (-4 F): Days with min | 54 | 44 | 1923 | 20 |
| -30 C (-22 F): Days with min | 14 | 7 | 1923 | 2 |
| 20 C (68 F): Tropical nights (min | 7 | 2 | 1974 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 51 | 53 | 1979 | 46 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 51 | 21 | 1979 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 39 | 6 | 1926 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 4 | 2 | 1926 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 53 | 15 | 1956 | 8 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 23 | 4 | 1935 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1962 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1920.
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 (2025-12-31).