Westminster 2 SSE Threshold Days by Year (USC00189435)
19 fixed thresholds counted per year at Westminster 2 SSE (USC00189435): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Westminster 2 SSE Thresholds
- Westminster 2 SSE: days with a maximum temperature at or above 30 C (86 F) in 56 years, most in 1943 with 78.
- Westminster 2 SSE: days with a maximum temperature at or above 90 F (32.2 C) in 56 years, most in 1943 with 57.
- Westminster 2 SSE: days with a maximum temperature at or below 0 C (32 F) in 56 years, most in 1977 with 42.
- Westminster 2 SSE: nights with a minimum temperature at or below 0 C (32 F) in 56 years, most in 1926 with 134.
- 19 fixed thresholds have at least one qualifying day at Westminster 2 SSE.
Days at or above 30 C (86 F)
56 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1900 | 65 | 65 |
| 1921 | 51 | 43.3 |
| 1922 | 41 | 43.3 |
| 1923 | 43 | 43.3 |
| 1924 | 34 | 43.3 |
| 1925 | 56 | 43.3 |
| 1926 | 46 | 43.3 |
| 1927 | 28 | 43.3 |
| 1928 | 39 | 43.3 |
| 1929 | 52 | 43.3 |
| 1930 | 76 | 59.7 |
| 1931 | 61 | 59.7 |
| 1933 | 62 | 59.7 |
| 1934 | 53 | 59.7 |
| 1935 | 52 | 59.7 |
| 1936 | 59 | 59.7 |
| 1937 | 55 | 59.7 |
| 1938 | 54 | 59.7 |
| 1939 | 65 | 59.7 |
| 1940 | 36 | 50.8 |
| 1941 | 65 | 50.8 |
| 1942 | 52 | 50.8 |
| 1943 | 78 | 50.8 |
| 1944 | 69 | 50.8 |
| 1945 | 49 | 50.8 |
| 1946 | 27 | 50.8 |
| 1947 | 56 | 50.8 |
| 1948 | 28 | 50.8 |
| 1949 | 48 | 50.8 |
| 1950 | 28 | 46.5 |
| 1951 | 50 | 46.5 |
| 1952 | 50 | 46.5 |
| 1953 | 61 | 46.5 |
| 1954 | 47 | 46.5 |
| 1955 | 49 | 46.5 |
| 1956 | 36 | 46.5 |
| 1957 | 54 | 46.5 |
| 1958 | 31 | 46.5 |
| 1959 | 59 | 46.5 |
| 1960 | 28 | 38.4 |
| 1961 | 49 | 38.4 |
| 1962 | 33 | 38.4 |
| 1963 | 34 | 38.4 |
| 1964 | 48 | 38.4 |
| 1965 | 41 | 38.4 |
| 1966 | 53 | 38.4 |
| 1967 | 20 | 38.4 |
| 1968 | 45 | 38.4 |
| 1969 | 33 | 38.4 |
| 1970 | 42 | 25.3 |
| 1971 | 29 | 25.3 |
| 1972 | 25 | 25.3 |
| 1974 | 14 | 25.3 |
| 1975 | 18 | 25.3 |
| 1976 | 15 | 25.3 |
| 1977 | 34 | 25.3 |
| Year | First date | Last date |
|---|---|---|
| 1900 | 1900-05-13 | 1900-10-06 |
| 1921 | 1921-04-25 | 1921-09-29 |
| 1922 | 1922-04-10 | 1922-10-06 |
| 1923 | 1923-05-27 | 1923-08-21 |
| 1924 | 1924-05-06 | 1924-09-02 |
| 1925 | 1925-04-23 | 1925-09-18 |
| 1926 | 1926-05-07 | 1926-10-04 |
| 1927 | 1927-04-20 | 1927-10-02 |
| 1928 | 1928-05-04 | 1928-10-12 |
| 1929 | 1929-04-07 | 1929-09-29 |
| 1930 | 1930-04-11 | 1930-09-26 |
| 1931 | 1931-05-28 | 1931-10-07 |
| 1933 | 1933-05-20 | 1933-09-27 |
| 1934 | 1934-05-06 | 1934-08-24 |
| 1935 | 1935-04-27 | 1935-09-21 |
| 1936 | 1936-04-30 | 1936-09-23 |
| 1937 | 1937-04-18 | 1937-09-25 |
| 1938 | 1938-04-28 | 1938-10-17 |
| 1939 | 1939-04-25 | 1939-10-10 |
| 1940 | 1940-05-14 | 1940-09-21 |
| 1941 | 1941-04-14 | 1941-10-08 |
| 1942 | 1942-04-25 | 1942-09-19 |
| 1943 | 1943-05-06 | 1943-09-15 |
| 1944 | 1944-05-04 | 1944-09-05 |
| 1945 | 1945-03-29 | 1945-09-29 |
| 1946 | 1946-04-23 | 1946-09-10 |
| 1947 | 1947-05-13 | 1947-10-23 |
| 1948 | 1948-03-21 | 1948-09-18 |
| 1949 | 1949-05-04 | 1949-10-10 |
| 1950 | 1950-06-07 | 1950-09-02 |
| 1951 | 1951-05-02 | 1951-10-05 |
| 1952 | 1952-06-04 | 1952-09-14 |
| 1953 | 1953-04-25 | 1953-09-30 |
| 1954 | 1954-05-02 | 1954-10-13 |
| 1955 | 1955-05-05 | 1955-08-29 |
| 1956 | 1956-04-28 | 1956-09-01 |
| 1957 | 1957-04-27 | 1957-09-22 |
| 1958 | 1958-06-09 | 1958-09-26 |
| 1959 | 1959-05-07 | 1959-10-07 |
| 1960 | 1960-04-14 | 1960-09-01 |
| 1961 | 1961-06-02 | 1961-09-25 |
| 1962 | 1962-04-26 | 1962-09-13 |
| 1963 | 1963-05-09 | 1963-09-20 |
| 1964 | 1964-05-19 | 1964-09-17 |
| 1965 | 1965-05-27 | 1965-09-23 |
| 1966 | 1966-06-05 | 1966-09-03 |
| 1967 | 1967-06-10 | 1967-08-18 |
| 1968 | 1968-06-06 | 1968-09-25 |
| 1969 | 1969-05-29 | 1969-09-17 |
| 1970 | 1970-05-23 | 1970-09-26 |
| 1971 | 1971-05-19 | 1971-09-10 |
| 1972 | 1972-07-02 | 1972-09-17 |
| 1974 | 1974-05-17 | 1974-08-29 |
| 1975 | 1975-05-21 | 1975-08-26 |
| 1976 | 1976-04-17 | 1976-09-14 |
| 1977 | 1977-05-17 | 1977-09-19 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 56 | 78 | 1943 | 34 |
| 35 C (95 F): Days | 40 | 23 | 1944 | 1 |
| 40 C (104 F): Days | 1 | 1 | 1930 | 1 |
| 90 F (32.2 C): Days | 56 | 57 | 1943 | 13 |
| 100 F (37.8 C): Days | 9 | 11 | 1930 | 1 |
| 0 C (32 F): Ice days (max | 56 | 42 | 1977 | 42 |
| 0 C (32 F): Frost days (min | 56 | 134 | 1926 | 92 |
| -10 C (14 F): Days with min | 56 | 39 | 1977 | 39 |
| -20 C (-4 F): Days with min | 10 | 3 | 1935 | 1 |
| 20 C (68 F): Tropical nights (min | 56 | 34 | 1949 | 30 |
| 25 C (77 F): Days with min | 4 | 4 | 1930 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 53 | 49 | 1933 | 32 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 53 | 21 | 1924 | 9 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 41 | 5 | 1952 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 9 | 1 | 1933 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 1972 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 33 | 7 | 1961 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 7 | 4 | 1958 | 1 |
| 50 cm (19.7 in): Days with 50 cm or more snowfall | 1 | 1 | 1958 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.
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).