Westfalia Threshold Days by Year

5 fixed thresholds counted per year at Westfalia (SF006791640): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Westfalia Thresholds

Westfalia: days with 10 mm (0.39 in) or more of precipitation in 82 years, most in 1925 with 56.
Westfalia: days with 25 mm (0.98 in) or more of precipitation in 82 years, most in 1925 with 35.
Westfalia: days with 50 mm (1.97 in) or more of precipitation in 81 years, most in 1923 with 15.
Westfalia: days with 100 mm (3.94 in) or more of precipitation in 41 years, most in 1929 with 5.
5 fixed thresholds have at least one qualifying day at Westfalia.

Days with 10 mm (0.39 in) or more of precipitation

82 years with a qualifying day

Days per year at Westfalia with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 56 in 1925.

Days with 10 mm (0.39 in) or more of precipitation per year at Westfalia
Year	Days	Decade average
1914	31	37.5
1915	39	37.5
1916	25	37.5
1917	51	37.5
1918	52	37.5
1919	27	37.5
1920	45	41.2
1921	50	41.2
1922	28	41.2
1923	49	41.2
1924	37	41.2
1925	56	41.2
1926	30	41.2
1927	37	41.2
1928	33	41.2
1929	47	41.2
1930	34	34
1931	38	34
1932	23	34
1933	22	34
1934	45	34
1935	17	34
1936	37	34
1937	33	34
1938	39	34
1939	52	34
1940	46	31
1941	24	31
1942	33	31
1943	31	31
1944	34	31
1945	24	31
1946	25	31
1947	23	31
1948	37	31
1949	33	31
1950	35	33.1
1951	28	33.1
1952	22	33.1
1953	36	33.1
1954	27	33.1
1955	47	33.1
1956	35	33.1
1957	32	33.1
1958	40	33.1
1959	29	33.1
1960	37	28.2
1961	33	28.2
1962	19	28.2
1963	22	28.2
1964	27	28.2
1965	23	28.2
1966	31	28.2
1967	32	28.2
1968	23	28.2
1969	35	28.2
1970	18	28.2
1971	19	28.2
1972	32	28.2
1973	21	28.2
1974	36	28.2
1975	29	28.2
1976	33	28.2
1977	36	28.2
1978	31	28.2
1979	27	28.2
1980	31	30.1
1981	33	30.1
1984	25	30.1
1985	34	30.1
1986	27	30.1
1987	24	30.1
1988	41	30.1
1989	26	30.1
1990	25	24.9
1991	25	24.9
1992	8	24.9
1993	24	24.9
1994	18	24.9
1995	23	24.9
1996	41	24.9
1997	35	24.9

For each year, a bar from the first to the last day at Westfalia meeting 10 mm (0.39 in).

First to last qualifying date each year at Westfalia
Year	First date	Last date
1914	1914-01-09	1914-12-28
1915	1915-01-04	1915-12-31
1916	1916-01-01	1916-12-22
1917	1917-01-05	1917-12-31
1918	1918-01-01	1918-12-29
1919	1919-01-01	1919-12-23
1920	1920-01-05	1920-12-31
1921	1921-01-03	1921-12-29
1922	1922-01-22	1922-12-30
1923	1923-01-01	1923-12-28
1924	1924-01-12	1924-12-30
1925	1925-01-10	1925-12-22
1926	1926-01-02	1926-12-13
1927	1927-01-01	1927-12-18
1928	1928-01-03	1928-12-27
1929	1929-01-06	1929-12-20
1930	1930-01-05	1930-12-24
1931	1931-01-01	1931-12-20
1932	1932-01-06	1932-12-27
1933	1933-01-13	1933-12-25
1934	1934-01-01	1934-12-27
1935	1935-01-05	1935-12-19
1936	1936-01-17	1936-12-30
1937	1937-01-04	1937-12-28
1938	1938-01-06	1938-12-31
1939	1939-01-01	1939-12-30
1940	1940-01-15	1940-12-31
1941	1941-01-01	1941-12-22
1942	1942-01-06	1942-12-30
1943	1943-01-01	1943-12-27
1944	1944-01-12	1944-12-31
1945	1945-01-08	1945-12-28
1946	1946-01-05	1946-11-23
1947	1947-01-03	1947-12-31
1948	1948-01-01	1948-12-22
1949	1949-01-01	1949-12-31
1950	1950-01-10	1950-12-28
1951	1951-01-01	1951-12-27
1952	1952-01-03	1952-12-27
1953	1953-01-01	1953-12-24
1954	1954-01-01	1954-12-28
1955	1955-01-03	1955-12-29
1956	1956-01-02	1956-12-14
1957	1957-01-08	1957-12-14
1958	1958-01-03	1958-12-30
1959	1959-01-03	1959-12-29
1960	1960-01-20	1960-12-31
1961	1961-01-06	1961-12-27
1962	1962-01-10	1962-12-26
1963	1963-01-07	1963-12-23
1964	1964-01-03	1964-12-21
1965	1965-01-07	1965-12-30
1966	1966-01-07	1966-12-23
1967	1967-01-09	1967-12-22
1968	1968-01-07	1968-12-27
1969	1969-01-05	1969-12-16
1970	1970-01-20	1970-12-30
1971	1971-01-02	1971-12-21
1972	1972-01-11	1972-12-30
1973	1973-01-09	1973-12-26
1974	1974-01-03	1974-12-23
1975	1975-01-02	1975-12-30
1976	1976-01-07	1976-12-23
1977	1977-01-19	1977-12-30
1978	1978-01-02	1978-12-23
1979	1979-01-02	1979-12-27
1980	1980-01-05	1980-12-14
1981	1981-01-04	1981-12-26
1984	1984-01-12	1984-12-03
1985	1985-01-06	1985-12-11
1986	1986-01-19	1986-12-27
1987	1987-01-03	1987-12-14
1988	1988-01-03	1988-12-31
1989	1989-01-08	1989-12-31
1990	1990-01-09	1990-12-30
1991	1991-01-06	1991-12-22
1992	1992-01-10	1992-12-30
1993	1993-01-16	1993-12-27
1994	1994-01-02	1994-12-31
1995	1995-01-08	1995-12-28
1996	1996-01-09	1996-12-29
1997	1997-01-06	1997-11-30

Every Fixed Threshold

Fixed thresholds at Westfalia
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	82	56	1925	35
25 mm (0.98 in): Days with 25 mm or more rain	82	35	1925	16
50 mm (1.97 in): Days with 50 mm or more rain	81	15	1923	6
100 mm (3.94 in): Days with 100 mm or more rain	41	5	1929	4
200 mm (7.87 in): Days with 200 mm or more rain	6	1	1915	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.

Download the Data

Data for Westfalia threshold days by year: CSV or JSON. Field meanings are on the data page.

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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Westfalia Threshold Days by Year

Key Facts for Westfalia Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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