Hermann Threshold Days by Year (USC00233793)

7 fixed thresholds counted per year at Hermann (USC00233793): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hermann Thresholds

Hermann: days with 10 mm (0.39 in) or more of precipitation in 111 years, most in 1993 with 50.
Hermann: days with 25 mm (0.98 in) or more of precipitation in 111 years, most in 2008 with 22.
Hermann: days with 50 mm (1.97 in) or more of precipitation in 94 years, most in 1986 with 7.
Hermann: days with 10 cm (3.9 in) or more of snowfall in 35 years, most in 1960 with 6.
7 fixed thresholds have at least one qualifying day at Hermann.

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

111 years with a qualifying day

Days per year at Hermann with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 1993.

Days with 10 mm (0.39 in) or more of precipitation per year at Hermann
Year	Days	Decade average
1893	33	32.1
1894	25	32.1
1895	29	32.1
1896	36	32.1
1897	34	32.1
1898	46	32.1
1899	22	32.1
1900	31	30.3
1901	18	30.3
1902	34	30.3
1903	24	30.3
1904	30	30.3
1905	32	30.3
1906	30	30.3
1907	35	30.3
1908	37	30.3
1909	32	30.3
1910	33	30.2
1911	34	30.2
1912	41	30.2
1913	26	30.2
1914	26	30.2
1915	31	30.2
1916	27	30.2
1917	19	30.2
1918	33	30.2
1919	32	30.2
1920	21	36.1
1921	47	36.1
1922	32	36.1
1923	34	36.1
1924	42	36.1
1925	28	36.1
1926	43	36.1
1927	44	36.1
1928	31	36.1
1929	39	36.1
1930	17	31.9
1931	46	31.9
1932	30	31.9
1933	33	31.9
1934	27	31.9
1935	45	31.9
1936	17	31.9
1937	32	31.9
1938	38	31.9
1939	34	31.9
1940	28	34.5
1941	37	34.5
1942	42	34.5
1943	29	34.5
1944	25	34.5
1945	45	34.5
1946	36	34.5
1947	37	34.5
1948	27	34.5
1949	39	34.5
1950	31	29.9
1951	41	29.9
1952	25	29.9
1953	24	29.9
1954	28	29.9
1955	28	29.9
1956	25	29.9
1957	41	29.9
1958	32	29.9
1959	24	29.9
1960	27	29.5
1961	33	29.5
1962	21	29.5
1963	21	29.5
1964	24	29.5
1965	32	29.5
1966	28	29.5
1967	39	29.5
1968	31	29.5
1969	39	29.5
1970	35	32.1
1971	31	32.1
1972	30	32.1
1973	46	32.1
1974	32	32.1
1975	31	32.1
1976	21	32.1
1977	33	32.1
1978	37	32.1
1979	25	32.1
1980	25	33.2
1981	45	33.2
1982	37	33.2
1983	28	33.2
1984	36	33.2
1985	40	33.2
1986	36	33.2
1987	32	33.2
1988	31	33.2
1989	22	33.2
1990	44	36.9
1991	30	36.9
1992	37	36.9
1993	50	36.9
1994	35	36.9
1995	34	36.9
1996	38	36.9
1999	27	36.9
2000	30	32.8
2001	34	32.8
2002	35	32.8
2003	25	32.8
2007	29	32.8
2008	44	32.8

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

First to last qualifying date each year at Hermann
Year	First date	Last date
1893	1893-02-01	1893-12-16
1894	1894-01-20	1894-12-02
1895	1895-01-25	1895-12-24
1896	1896-01-23	1896-12-18
1897	1897-01-02	1897-12-17
1898	1898-01-12	1898-12-22
1899	1899-02-26	1899-12-14
1900	1900-01-18	1900-11-24
1901	1901-01-09	1901-12-14
1902	1902-02-28	1902-12-15
1903	1903-01-02	1903-12-24
1904	1904-01-21	1904-10-01
1905	1905-01-11	1905-11-05
1906	1906-01-03	1906-12-30
1907	1907-01-15	1907-12-23
1908	1908-01-11	1908-12-30
1909	1909-01-12	1909-12-05
1910	1910-01-05	1910-12-28
1911	1911-02-18	1911-12-21
1912	1912-01-18	1912-11-06
1913	1913-01-11	1913-11-15
1914	1914-01-24	1914-12-29
1915	1915-01-31	1915-12-28
1916	1916-01-12	1916-11-23
1917	1917-01-05	1917-09-27
1918	1918-02-12	1918-12-24
1919	1919-01-01	1919-12-06
1920	1920-03-12	1920-12-21
1921	1921-01-22	1921-12-24
1922	1922-01-05	1922-12-31
1923	1923-01-14	1923-12-13
1924	1924-01-10	1924-12-19
1925	1925-03-14	1925-12-05
1926	1926-01-03	1926-12-24
1927	1927-01-13	1927-12-14
1928	1928-01-24	1928-12-18
1929	1929-01-05	1929-12-18
1930	1930-01-02	1930-11-30
1931	1931-02-07	1931-12-31
1932	1932-01-01	1932-12-24
1933	1933-01-18	1933-12-20
1934	1934-01-04	1934-12-19
1935	1935-01-08	1935-12-15
1936	1936-02-26	1936-12-27
1937	1937-01-02	1937-12-18
1938	1938-01-24	1938-12-03
1939	1939-01-30	1939-12-24
1940	1940-01-07	1940-12-16
1941	1941-01-01	1941-12-26
1942	1942-01-01	1942-12-29
1943	1943-02-03	1943-12-10
1944	1944-02-29	1944-12-10
1945	1945-02-21	1945-11-13
1946	1946-01-05	1946-11-26
1947	1947-03-06	1947-12-04
1948	1948-01-01	1948-12-18
1949	1949-01-10	1949-12-26
1950	1950-01-03	1950-11-20
1951	1951-01-02	1951-11-06
1952	1952-02-02	1952-12-19
1953	1953-01-02	1953-11-19
1954	1954-01-27	1954-11-19
1955	1955-01-04	1955-10-29
1956	1956-01-30	1956-11-20
1957	1957-01-22	1957-12-31
1958	1958-01-21	1958-11-28
1959	1959-01-21	1959-12-28
1960	1960-01-15	1960-12-11
1961	1961-02-03	1961-12-09
1962	1962-02-09	1962-12-21
1963	1963-03-05	1963-11-23
1964	1964-02-16	1964-12-26
1965	1965-01-02	1965-12-25
1966	1966-01-01	1966-12-28
1967	1967-01-26	1967-12-22
1968	1968-01-30	1968-12-28
1969	1969-01-16	1969-12-07
1970	1970-03-02	1970-12-21
1971	1971-01-04	1971-12-30
1972	1972-01-28	1972-12-12
1973	1973-01-04	1973-12-31
1974	1974-01-10	1974-12-12
1975	1975-01-10	1975-12-30
1976	1976-02-21	1976-12-07
1977	1977-02-23	1977-12-06
1978	1978-02-13	1978-12-31
1979	1979-01-01	1979-12-25
1980	1980-03-01	1980-12-08
1981	1981-02-01	1981-12-23
1982	1982-01-04	1982-12-28
1983	1983-03-20	1983-12-11
1984	1984-02-12	1984-12-30
1985	1985-01-01	1985-12-11
1986	1986-02-02	1986-12-01
1987	1987-01-10	1987-12-28
1988	1988-01-19	1988-12-28
1989	1989-01-06	1989-10-06
1990	1990-01-20	1990-12-30
1991	1991-03-17	1991-12-21
1992	1992-02-15	1992-12-16
1993	1993-01-04	1993-12-14
1994	1994-01-17	1994-12-21
1995	1995-01-13	1995-12-19
1996	1996-01-18	1996-12-23
1999	1999-01-01	1999-12-10
2000	2000-02-18	2000-11-07
2001	2001-01-29	2001-12-18
2002	2002-01-30	2002-12-24
2003	2003-02-14	2003-12-22
2007	2007-01-13	2007-12-10
2008	2008-01-08	2008-12-28

Every Fixed Threshold

Fixed thresholds at Hermann
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	111	50	1993	44
25 mm (0.98 in): Days with 25 mm or more rain	111	22	2008	22
50 mm (1.97 in): Days with 50 mm or more rain	94	7	1986	5
100 mm (3.94 in): Days with 100 mm or more rain	13	2	1982	2
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1957	1
10 cm (3.9 in): Days with 10 cm or more snowfall	35	6	1960	1
25 cm (9.8 in): Days with 25 cm or more snowfall	5	1	1965	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Hermann 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Hermann Threshold Days by Year (USC00233793)

Key Facts for Hermann Thresholds

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

Every Fixed Threshold

Download the Data

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