Gravesend Post Office Threshold Days by Year

5 fixed thresholds counted per year at Gravesend Post Office (ASN00054017): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Gravesend Post Office Thresholds

Gravesend Post Office: days with 10 mm (0.39 in) or more of precipitation in 110 years, most in 1890 with 39.
Gravesend Post Office: days with 25 mm (0.98 in) or more of precipitation in 110 years, most in 1887 with 13.
Gravesend Post Office: days with 50 mm (1.97 in) or more of precipitation in 85 years, most in 1931 with 4.
Gravesend Post Office: days with 100 mm (3.94 in) or more of precipitation in 13 years, most in 2011 with 2.
5 fixed thresholds have at least one qualifying day at Gravesend Post Office.

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

110 years with a qualifying day

Days per year at Gravesend Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1890.

Days with 10 mm (0.39 in) or more of precipitation per year at Gravesend Post Office
Year	Days	Decade average
1886	30	26.8
1887	32	26.8
1888	16	26.8
1889	29	26.8
1890	39	24.8
1891	29	24.8
1892	23	24.8
1893	30	24.8
1894	30	24.8
1895	20	24.8
1896	21	24.8
1897	20	24.8
1898	12	24.8
1899	24	24.8
1900	21	20.1
1901	20	20.1
1902	12	20.1
1903	24	20.1
1904	19	20.1
1906	22	20.1
1907	23	20.1
1913	17	18.7
1914	27	18.7
1915	11	18.7
1916	30	18.7
1917	23	18.7
1918	14	18.7
1919	9	18.7
1920	23	19.5
1921	35	19.5
1922	19	19.5
1923	13	19.5
1924	24	19.5
1925	18	19.5
1926	13	19.5
1927	16	19.5
1928	17	19.5
1929	17	19.5
1930	28	20.9
1931	22	20.9
1932	20	20.9
1933	23	20.9
1934	29	20.9
1935	17	20.9
1936	19	20.9
1937	15	20.9
1938	15	20.9
1939	21	20.9
1940	17	20.3
1941	14	20.3
1942	17	20.3
1943	22	20.3
1944	10	20.3
1945	24	20.3
1946	17	20.3
1947	26	20.3
1948	26	20.3
1949	30	20.3
1950	34	22.9
1951	19	22.9
1952	20	22.9
1953	23	22.9
1954	24	22.9
1955	25	22.9
1956	23	22.9
1957	12	22.9
1958	19	22.9
1959	30	22.9
1960	19	19.9
1961	24	19.9
1962	23	19.9
1963	18	19.9
1964	25	19.9
1965	14	19.9
1966	16	19.9
1968	19	19.9
1969	21	19.9
1971	28	22.4
1972	17	22.4
1973	20	22.4
1974	17	22.4
1975	31	22.4
1976	23	22.4
1977	22	22.4
1978	28	22.4
1979	16	22.4
1980	12	19.6
1981	20	19.6
1982	19	19.6
1983	29	19.6
1984	23	19.6
1985	20	19.6
1986	14	19.6
1999	12	12
2000	22	17.7
2001	12	17.7
2002	10	17.7
2004	24	17.7
2005	15	17.7
2006	14	17.7
2007	19	17.7
2008	24	17.7
2009	19	17.7
2010	28	22.6
2011	30	22.6
2012	23	22.6
2013	17	22.6
2014	13	22.6
2015	24	22.6
2016	23	22.6

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

First to last qualifying date each year at Gravesend Post Office
Year	First date	Last date
1886	1886-01-16	1886-12-09
1887	1887-01-22	1887-12-30
1888	1888-01-24	1888-12-01
1889	1889-01-18	1889-12-30
1890	1890-01-11	1890-12-30
1891	1891-01-07	1891-12-12
1892	1892-01-12	1892-11-12
1893	1893-01-23	1893-12-15
1894	1894-01-03	1894-12-29
1895	1895-01-16	1895-12-21
1896	1896-01-23	1896-12-16
1897	1897-01-01	1897-12-21
1898	1898-01-06	1898-12-24
1899	1899-01-19	1899-11-08
1900	1900-01-08	1900-12-05
1901	1901-01-15	1901-12-05
1902	1902-01-26	1902-12-15
1903	1903-03-26	1903-12-21
1904	1904-01-21	1904-12-18
1906	1906-02-01	1906-11-26
1907	1907-01-03	1907-12-28
1913	1913-01-04	1913-12-20
1914	1914-01-13	1914-12-30
1915	1915-01-01	1915-12-16
1916	1916-01-12	1916-12-13
1917	1917-01-11	1917-12-12
1918	1918-01-01	1918-11-25
1919	1919-01-19	1919-12-01
1920	1920-01-02	1920-12-31
1921	1921-02-17	1921-12-28
1922	1922-01-08	1922-12-26
1923	1923-03-08	1923-12-27
1924	1924-01-23	1924-12-16
1925	1925-01-03	1925-12-31
1926	1926-01-20	1926-12-28
1927	1927-01-19	1927-12-11
1928	1928-01-19	1928-11-04
1929	1929-01-10	1929-11-18
1930	1930-01-25	1930-12-18
1931	1931-02-17	1931-12-10
1932	1932-02-02	1932-12-21
1933	1933-01-20	1933-12-15
1934	1934-01-04	1934-12-29
1935	1935-01-04	1935-12-08
1936	1936-01-09	1936-12-28
1937	1937-01-12	1937-12-29
1938	1938-01-25	1938-11-29
1939	1939-01-23	1939-12-27
1940	1940-01-29	1940-12-31
1941	1941-01-04	1941-11-15
1942	1942-02-01	1942-12-31
1943	1943-01-01	1943-12-27
1944	1944-01-26	1944-12-21
1945	1945-01-06	1945-12-05
1946	1946-01-07	1946-12-13
1947	1947-01-01	1947-12-25
1948	1948-01-02	1948-12-31
1949	1949-01-09	1949-11-29
1950	1950-01-18	1950-11-25
1951	1951-01-16	1951-11-27
1952	1952-02-10	1952-12-31
1953	1953-01-07	1953-11-27
1954	1954-01-12	1954-12-25
1955	1955-01-12	1955-12-20
1956	1956-01-21	1956-12-14
1957	1957-01-04	1957-12-20
1958	1958-02-20	1958-12-27
1959	1959-01-03	1959-12-26
1960	1960-01-20	1960-12-16
1961	1961-01-03	1961-12-18
1962	1962-01-01	1962-12-31
1963	1963-01-04	1963-12-18
1964	1964-01-13	1964-12-10
1965	1965-01-23	1965-12-15
1966	1966-02-04	1966-12-29
1968	1968-01-08	1968-12-24
1969	1969-01-02	1969-12-31
1971	1971-01-11	1971-12-28
1972	1972-01-13	1972-12-09
1973	1973-01-10	1973-12-31
1974	1974-01-01	1974-11-18
1975	1975-01-18	1975-12-23
1976	1976-01-10	1976-12-24
1977	1977-01-12	1977-12-02
1978	1978-01-05	1978-12-05
1979	1979-01-19	1979-11-21
1980	1980-02-06	1980-12-29
1981	1981-01-08	1981-12-24
1982	1982-01-08	1982-12-30
1983	1983-01-03	1983-12-30
1984	1984-01-04	1984-12-20
1985	1985-03-08	1985-12-23
1986	1986-01-06	1986-12-01
1999	1999-02-01	1999-12-18
2000	2000-01-05	2000-12-29
2001	2001-01-17	2001-11-27
2002	2002-01-24	2002-12-11
2004	2004-01-14	2004-12-24
2005	2005-01-23	2005-12-16
2006	2006-01-19	2006-12-03
2007	2007-01-04	2007-12-23
2008	2008-01-06	2008-12-07
2009	2009-01-22	2009-12-31
2010	2010-01-03	2010-12-24
2011	2011-01-06	2011-12-22
2012	2012-01-15	2012-12-28
2013	2013-01-27	2013-12-05
2014	2014-01-24	2014-12-28
2015	2015-01-03	2015-12-25
2016	2016-01-03	2016-12-22

Every Fixed Threshold

Fixed thresholds at Gravesend Post Office
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	110	39	1890	23
25 mm (0.98 in): Days with 25 mm or more rain	110	13	1887	5
50 mm (1.97 in): Days with 50 mm or more rain	85	4	1931	1
100 mm (3.94 in): Days with 100 mm or more rain	13	2	2011	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1941	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1886.

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Data for Gravesend Post Office 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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

Gravesend Post Office Threshold Days by Year

Key Facts for Gravesend Post Office Thresholds

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

Every Fixed Threshold

Download the Data

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