Dudleys Threshold Days by Year
17 fixed thresholds counted per year at Dudleys (USC00042539): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Dudleys Thresholds
- Dudleys: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1909 with 43.
- Dudleys: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 1936 with 22.
- Dudleys: nights with a minimum temperature at or below 0 C (32 F) in 58 years, most in 1971 with 190.
- Dudleys: days with a maximum temperature at or above 30 C (86 F) in 57 years, most in 1960 with 99.
- 17 fixed thresholds have at least one qualifying day at Dudleys.
Days at or above 30 C (86 F)
57 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1909 | 56 | 56 |
| 1910 | 72 | 50.8 |
| 1911 | 45 | 50.8 |
| 1912 | 29 | 50.8 |
| 1913 | 49 | 50.8 |
| 1914 | 43 | 50.8 |
| 1915 | 42 | 50.8 |
| 1916 | 40 | 50.8 |
| 1917 | 81 | 50.8 |
| 1918 | 49 | 50.8 |
| 1919 | 58 | 50.8 |
| 1920 | 50 | 62.8 |
| 1921 | 51 | 62.8 |
| 1922 | 64 | 62.8 |
| 1923 | 42 | 62.8 |
| 1924 | 58 | 62.8 |
| 1925 | 54 | 62.8 |
| 1926 | 87 | 62.8 |
| 1927 | 61 | 62.8 |
| 1928 | 77 | 62.8 |
| 1929 | 84 | 62.8 |
| 1930 | 76 | 82.6 |
| 1931 | 78 | 82.6 |
| 1932 | 76 | 82.6 |
| 1933 | 79 | 82.6 |
| 1934 | 85 | 82.6 |
| 1935 | 77 | 82.6 |
| 1936 | 91 | 82.6 |
| 1938 | 85 | 82.6 |
| 1939 | 96 | 82.6 |
| 1946 | 68 | 69.3 |
| 1947 | 68 | 69.3 |
| 1948 | 67 | 69.3 |
| 1949 | 74 | 69.3 |
| 1950 | 76 | 70.4 |
| 1951 | 71 | 70.4 |
| 1952 | 70 | 70.4 |
| 1953 | 72 | 70.4 |
| 1954 | 62 | 70.4 |
| 1955 | 60 | 70.4 |
| 1956 | 56 | 70.4 |
| 1957 | 72 | 70.4 |
| 1958 | 89 | 70.4 |
| 1959 | 76 | 70.4 |
| 1960 | 99 | 75.9 |
| 1961 | 88 | 75.9 |
| 1962 | 75 | 75.9 |
| 1963 | 64 | 75.9 |
| 1964 | 62 | 75.9 |
| 1965 | 50 | 75.9 |
| 1966 | 76 | 75.9 |
| 1967 | 90 | 75.9 |
| 1968 | 76 | 75.9 |
| 1969 | 79 | 75.9 |
| 1970 | 91 | 76 |
| 1971 | 72 | 76 |
| 1972 | 65 | 76 |
| Year | First date | Last date |
|---|---|---|
| 1909 | 1909-05-31 | 1909-09-23 |
| 1910 | 1910-05-29 | 1910-10-08 |
| 1911 | 1911-06-11 | 1911-09-01 |
| 1912 | 1912-06-01 | 1912-09-19 |
| 1913 | 1913-05-26 | 1913-09-21 |
| 1914 | 1914-06-17 | 1914-09-23 |
| 1915 | 1915-06-29 | 1915-10-07 |
| 1916 | 1916-06-07 | 1916-09-16 |
| 1917 | 1917-06-08 | 1917-10-13 |
| 1918 | 1918-06-08 | 1918-09-02 |
| 1919 | 1919-05-27 | 1919-09-26 |
| 1920 | 1920-05-29 | 1920-09-29 |
| 1921 | 1921-06-08 | 1921-10-19 |
| 1922 | 1922-06-17 | 1922-09-22 |
| 1923 | 1923-06-30 | 1923-09-13 |
| 1924 | 1924-05-16 | 1924-09-29 |
| 1925 | 1925-04-27 | 1925-08-27 |
| 1926 | 1926-05-30 | 1926-09-10 |
| 1927 | 1927-05-13 | 1927-08-22 |
| 1928 | 1928-05-25 | 1928-09-24 |
| 1929 | 1929-06-20 | 1929-10-22 |
| 1930 | 1930-06-05 | 1930-09-15 |
| 1931 | 1931-04-21 | 1931-10-01 |
| 1932 | 1932-05-12 | 1932-10-05 |
| 1933 | 1933-05-28 | 1933-11-13 |
| 1934 | 1934-05-10 | 1934-10-12 |
| 1935 | 1935-06-03 | 1935-10-09 |
| 1936 | 1936-05-23 | 1936-10-14 |
| 1938 | 1938-05-13 | 1938-10-14 |
| 1939 | 1939-05-28 | 1939-10-11 |
| 1946 | 1946-06-30 | 1946-09-29 |
| 1947 | 1947-05-02 | 1947-10-05 |
| 1948 | 1948-06-23 | 1948-10-08 |
| 1949 | 1949-05-25 | 1949-10-15 |
| 1950 | 1950-05-21 | 1950-10-13 |
| 1951 | 1951-05-25 | 1951-10-09 |
| 1952 | 1952-05-23 | 1952-10-07 |
| 1953 | 1953-06-22 | 1953-10-09 |
| 1954 | 1954-05-18 | 1954-10-15 |
| 1955 | 1955-06-06 | 1955-10-17 |
| 1956 | 1956-06-22 | 1956-10-06 |
| 1957 | 1957-06-03 | 1957-09-24 |
| 1958 | 1958-05-19 | 1958-10-16 |
| 1959 | 1959-06-05 | 1959-10-24 |
| 1960 | 1960-05-31 | 1960-09-27 |
| 1961 | 1961-06-13 | 1961-10-18 |
| 1962 | 1962-06-08 | 1962-10-01 |
| 1963 | 1963-06-16 | 1963-10-03 |
| 1964 | 1964-06-22 | 1964-10-06 |
| 1965 | 1965-06-20 | 1965-10-08 |
| 1966 | 1966-05-02 | 1966-10-09 |
| 1967 | 1967-05-17 | 1967-09-28 |
| 1968 | 1968-05-28 | 1968-10-27 |
| 1969 | 1969-05-29 | 1969-09-28 |
| 1970 | 1970-05-16 | 1970-10-04 |
| 1971 | 1971-06-15 | 1971-10-13 |
| 1972 | 1972-05-14 | 1972-09-08 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 57 | 99 | 1960 | 65 |
| 35 C (95 F): Days | 56 | 43 | 1961 | 16 |
| 40 C (104 F): Days | 7 | 5 | 1931 | 3 |
| 90 F (32.2 C): Days | 57 | 77 | 1939 | 41 |
| 100 F (37.8 C): Days | 22 | 17 | 1931 | 8 |
| 0 C (32 F): Ice days (max | 6 | 2 | 1932 | 2 |
| 0 C (32 F): Frost days (min | 58 | 190 | 1971 | 176 |
| -10 C (14 F): Days with min | 51 | 25 | 1949 | 18 |
| -20 C (-4 F): Days with min | 5 | 1 | 1917 | 1 |
| 20 C (68 F): Tropical nights (min | 2 | 1 | 1925 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 60 | 43 | 1909 | 20 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 60 | 22 | 1936 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 57 | 9 | 1911 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 12 | 2 | 1911 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 1950 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 26 | 12 | 1952 | 2 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 10 | 3 | 1955 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.
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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).