Genoa Threshold Days by Year

5 fixed thresholds counted per year at Genoa (ITE00100552): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Genoa Thresholds

Genoa: days with 10 mm (0.39 in) or more of precipitation in 176 years, most in 1872 with 65.
Genoa: days with 25 mm (0.98 in) or more of precipitation in 176 years, most in 1872 with 31.
Genoa: days with 50 mm (1.97 in) or more of precipitation in 172 years, most in 1872 with 15.
Genoa: days with 100 mm (3.94 in) or more of precipitation in 94 years, most in 1872 with 4.
5 fixed thresholds have at least one qualifying day at Genoa.

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

176 years with a qualifying day

Days per year at Genoa with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 65 in 1872.

Days with 10 mm (0.39 in) or more of precipitation per year at Genoa
Year	Days	Decade average
1833	44	37.6
1834	35	37.6
1835	34	37.6
1836	35	37.6
1837	32	37.6
1838	46	37.6
1839	37	37.6
1840	30	36.8
1841	37	36.8
1842	37	36.8
1843	31	36.8
1844	42	36.8
1845	44	36.8
1846	41	36.8
1847	36	36.8
1848	41	36.8
1849	29	36.8
1850	37	38.9
1851	47	38.9
1852	38	38.9
1853	42	38.9
1854	27	38.9
1855	43	38.9
1856	44	38.9
1857	33	38.9
1858	36	38.9
1859	42	38.9
1860	36	34.7
1861	22	34.7
1862	42	34.7
1863	35	34.7
1864	34	34.7
1865	34	34.7
1866	37	34.7
1867	36	34.7
1868	44	34.7
1869	27	34.7
1870	42	40
1871	28	40
1872	65	40
1873	35	40
1874	31	40
1875	39	40
1876	38	40
1877	39	40
1878	44	40
1879	39	40
1880	35	36.9
1881	31	36.9
1882	36	36.9
1883	46	36.9
1884	29	36.9
1885	33	36.9
1886	40	36.9
1887	40	36.9
1888	42	36.9
1889	37	36.9
1890	30	34.8
1891	38	34.8
1892	36	34.8
1893	37	34.8
1894	21	34.8
1895	43	34.8
1896	37	34.8
1897	30	34.8
1898	47	34.8
1899	29	34.8
1900	44	38.3
1901	46	38.3
1902	39	38.3
1903	55	38.3
1904	25	38.3
1905	49	38.3
1906	28	38.3
1907	41	38.3
1908	24	38.3
1909	32	38.3
1910	40	40.9
1911	50	40.9
1912	39	40.9
1913	30	40.9
1914	45	40.9
1915	38	40.9
1916	57	40.9
1917	38	40.9
1918	38	40.9
1919	34	40.9
1920	45	34.3
1921	17	34.3
1922	32	34.3
1923	31	34.3
1924	34	34.3
1925	35	34.3
1926	55	34.3
1927	32	34.3
1928	32	34.3
1929	30	34.3
1930	41	35.7
1931	32	35.7
1932	36	35.7
1933	35	35.7
1934	39	35.7
1935	30	35.7
1936	47	35.7
1937	45	35.7
1938	21	35.7
1939	31	35.7
1940	24	29.9
1941	28	29.9
1942	32	29.9
1943	32	29.9
1944	22	29.9
1945	22	29.9
1946	34	29.9
1947	32	29.9
1948	38	29.9
1949	35	29.9
1950	29	35.6
1951	49	35.6
1952	28	35.6
1953	35	35.6
1954	39	35.6
1955	30	35.6
1956	32	35.6
1957	35	35.6
1958	37	35.6
1959	42	35.6
1960	45	37.6
1961	42	37.6
1962	34	37.6
1963	50	37.6
1964	33	37.6
1965	30	37.6
1966	46	37.6
1967	23	37.6
1968	40	37.6
1969	33	37.6
1970	30	39.4
1971	37	39.4
1972	53	39.4
1973	20	39.4
1974	34	39.4
1975	42	39.4
1976	37	39.4
1977	48	39.4
1978	46	39.4
1979	47	39.4
1980	34	34.4
1981	34	34.4
1982	34	34.4
1983	33	34.4
1984	42	34.4
1985	33	34.4
1986	36	34.4
1987	39	34.4
1988	31	34.4
1989	28	34.4
1990	30	33.7
1991	32	33.7
1992	42	33.7
1993	33	33.7
1994	40	33.7
1995	34	33.7
1996	40	33.7
1997	32	33.7
1998	27	33.7
1999	27	33.7
2000	43	32.3
2001	29	32.3
2002	48	32.3
2003	33	32.3
2004	25	32.3
2005	24	32.3
2006	28	32.3
2007	19	32.3
2008	42	32.3

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

First to last qualifying date each year at Genoa
Year	First date	Last date
1833	1833-01-13	1833-11-26
1834	1834-01-07	1834-11-23
1835	1835-01-08	1835-11-28
1836	1836-01-11	1836-12-28
1837	1837-01-20	1837-12-10
1838	1838-01-04	1838-12-28
1839	1839-01-23	1839-12-21
1840	1840-01-25	1840-11-18
1841	1841-01-05	1841-12-29
1842	1842-01-14	1842-12-27
1843	1843-01-12	1843-11-02
1844	1844-01-06	1844-12-31
1845	1845-01-01	1845-12-18
1846	1846-01-14	1846-12-26
1847	1847-01-03	1847-12-30
1848	1848-01-07	1848-12-05
1849	1849-01-28	1849-12-09
1850	1850-01-15	1850-12-20
1851	1851-01-05	1851-12-01
1852	1852-02-09	1852-12-28
1853	1853-01-08	1853-12-20
1854	1854-01-04	1854-12-20
1855	1855-01-22	1855-12-25
1856	1856-01-03	1856-12-25
1857	1857-01-13	1857-12-20
1858	1858-01-06	1858-12-06
1859	1859-01-19	1859-12-26
1860	1860-01-04	1860-12-26
1861	1861-01-08	1861-11-14
1862	1862-01-23	1862-12-30
1863	1863-01-06	1863-12-31
1864	1864-02-21	1864-12-19
1865	1865-01-12	1865-12-31
1866	1866-01-01	1866-10-15
1867	1867-01-08	1867-12-06
1868	1868-01-08	1868-12-31
1869	1869-01-28	1869-12-24
1870	1870-01-02	1870-12-29
1871	1871-01-17	1871-12-29
1872	1872-01-06	1872-12-30
1873	1873-01-01	1873-11-14
1874	1874-01-16	1874-12-29
1875	1875-01-05	1875-12-20
1876	1876-01-12	1876-12-24
1877	1877-01-05	1877-12-03
1878	1878-01-08	1878-12-29
1879	1879-01-22	1879-12-04
1880	1880-01-23	1880-12-18
1881	1881-01-04	1881-12-23
1882	1882-01-04	1882-12-14
1883	1883-01-07	1883-12-10
1884	1884-01-27	1884-12-28
1885	1885-01-17	1885-11-23
1886	1886-01-19	1886-12-27
1887	1887-01-05	1887-12-26
1888	1888-02-15	1888-12-31
1889	1889-01-10	1889-12-30
1890	1890-01-01	1890-12-18
1891	1891-02-01	1891-12-27
1892	1892-01-09	1892-11-19
1893	1893-01-27	1893-12-21
1894	1894-01-19	1894-11-29
1895	1895-01-08	1895-12-24
1896	1896-03-21	1896-12-20
1897	1897-01-06	1897-12-31
1898	1898-01-01	1898-12-30
1899	1899-01-09	1899-12-31
1900	1900-01-02	1900-12-31
1901	1901-02-01	1901-12-29
1902	1902-01-13	1902-12-30
1903	1903-01-08	1903-12-31
1904	1904-01-31	1904-12-10
1905	1905-02-21	1905-12-27
1906	1906-02-23	1906-12-02
1907	1907-01-25	1907-12-31
1908	1908-03-02	1908-12-16
1909	1909-01-09	1909-12-24
1910	1910-01-22	1910-12-27
1911	1911-01-03	1911-12-25
1912	1912-01-10	1912-12-23
1913	1913-01-15	1913-12-28
1914	1914-01-27	1914-12-29
1915	1915-01-01	1915-12-30
1916	1916-02-04	1916-12-23
1917	1917-01-05	1917-12-18
1918	1918-01-06	1918-12-31
1919	1919-01-04	1919-12-31
1920	1920-01-01	1920-12-23
1921	1921-01-13	1921-12-30
1922	1922-01-17	1922-12-31
1923	1923-01-11	1923-12-01
1924	1924-01-04	1924-12-03
1925	1925-01-24	1925-12-22
1926	1926-01-02	1926-12-27
1927	1927-01-04	1927-12-26
1928	1928-01-16	1928-12-11
1929	1929-01-01	1929-12-26
1930	1930-01-09	1930-12-31
1931	1931-01-14	1931-12-07
1932	1932-01-11	1932-12-29
1933	1933-01-04	1933-12-29
1934	1934-01-06	1934-12-15
1935	1935-02-07	1935-12-29
1936	1936-01-02	1936-12-29
1937	1937-01-27	1937-12-17
1938	1938-05-04	1938-12-21
1939	1939-01-05	1939-12-20
1940	1940-02-01	1940-11-19
1941	1941-01-02	1941-11-23
1942	1942-01-06	1942-12-25
1943	1943-01-14	1943-12-20
1944	1944-02-22	1944-12-12
1945	1945-01-05	1945-12-25
1946	1946-01-19	1946-12-09
1947	1947-02-03	1947-12-09
1948	1948-01-07	1948-12-13
1949	1949-01-01	1949-12-15
1950	1950-01-26	1950-12-23
1951	1951-01-02	1951-12-26
1952	1952-01-17	1952-12-28
1953	1953-04-14	1953-12-26
1954	1954-01-05	1954-12-11
1955	1955-01-03	1955-12-19
1956	1956-01-02	1956-11-13
1957	1957-01-01	1957-12-25
1958	1958-02-09	1958-12-23
1959	1959-01-07	1959-12-26
1960	1960-01-24	1960-12-18
1961	1961-01-03	1961-12-30
1962	1962-01-10	1962-12-31
1963	1963-01-02	1963-12-25
1964	1964-01-12	1964-12-28
1965	1965-01-19	1965-12-27
1966	1966-01-22	1966-12-28
1967	1967-01-20	1967-12-26
1968	1968-02-01	1968-12-16
1969	1969-01-08	1969-12-31
1970	1970-01-04	1970-12-29
1971	1971-01-19	1971-12-29
1972	1972-01-01	1972-12-28
1973	1973-01-15	1973-12-25
1974	1974-01-03	1974-12-24
1975	1975-01-17	1975-12-18
1976	1976-01-31	1976-12-31
1977	1977-01-01	1977-12-08
1978	1978-01-11	1978-12-28
1979	1979-01-05	1979-12-28
1980	1980-01-05	1980-12-15
1981	1981-03-16	1981-12-31
1982	1982-01-12	1982-12-21
1983	1983-01-14	1983-12-22
1984	1984-01-20	1984-12-27
1985	1985-01-13	1985-12-25
1986	1986-01-03	1986-12-14
1987	1987-01-10	1987-12-05
1988	1988-01-13	1988-12-02
1989	1989-01-22	1989-11-21
1990	1990-01-28	1990-12-30
1991	1991-01-07	1991-11-15
1992	1992-01-10	1992-12-07
1993	1993-02-28	1993-12-31
1994	1994-01-01	1994-12-19
1995	1995-01-18	1995-12-23
1996	1996-01-06	1996-12-23
1997	1997-01-02	1997-12-31
1998	1998-01-01	1998-12-31
1999	1999-01-01	1999-12-10
2000	2000-02-03	2000-12-27
2001	2001-01-02	2001-11-11
2002	2002-01-23	2002-12-31
2003	2003-01-21	2003-12-31
2004	2004-02-20	2004-12-28
2005	2005-02-18	2005-12-03
2006	2006-01-28	2006-12-08
2007	2007-01-23	2007-12-23
2008	2008-01-04	2008-12-16

Every Fixed Threshold

Fixed thresholds at Genoa
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	176	65	1872	42
25 mm (0.98 in): Days with 25 mm or more rain	176	31	1872	15
50 mm (1.97 in): Days with 50 mm or more rain	172	15	1872	2
100 mm (3.94 in): Days with 100 mm or more rain	94	4	1872	1
200 mm (7.87 in): Days with 200 mm or more rain	9	1	1842	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1833.

Download the Data

Data for Genoa 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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

Genoa Threshold Days by Year

Key Facts for Genoa Thresholds

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

Every Fixed Threshold

Download the Data

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