Inkpen Threshold Days by Year (ASN00010056)

4 fixed thresholds counted per year at Inkpen (ASN00010056): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Inkpen Thresholds

Inkpen: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1946 with 34.
Inkpen: days with 25 mm (0.98 in) or more of precipitation in 71 years, most in 1945 with 12.
Inkpen: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1934 with 3.
Inkpen: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1934 with 1.
4 fixed thresholds have at least one qualifying day at Inkpen.

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

71 years with a qualifying day

Days per year at Inkpen with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 34 in 1946.

Days with 10 mm (0.39 in) or more of precipitation per year at Inkpen
Year	Days	Decade average
1934	25	21.8
1935	19	21.8
1936	21	21.8
1937	13	21.8
1938	21	21.8
1939	32	21.8
1940	11	22.4
1941	16	22.4
1942	29	22.4
1943	22	22.4
1944	15	22.4
1945	30	22.4
1946	34	22.4
1947	27	22.4
1948	22	22.4
1949	18	22.4
1950	25	23.7
1951	26	23.7
1952	18	23.7
1953	28	23.7
1954	18	23.7
1955	33	23.7
1956	28	23.7
1957	25	23.7
1958	20	23.7
1959	16	23.7
1960	28	23.2
1961	24	23.2
1962	23	23.2
1965	20	23.2
1966	21	23.2
1971	20	18.6
1972	14	18.6
1973	22	18.6
1974	25	18.6
1975	22	18.6
1976	17	18.6
1977	14	18.6
1978	22	18.6
1979	11	18.6
1980	16	18.3
1981	23	18.3
1982	14	18.3
1983	24	18.3
1984	16	18.3
1985	13	18.3
1986	19	18.3
1987	15	18.3
1988	23	18.3
1989	20	18.3
1990	23	21.7
1991	25	21.7
1992	23	21.7
1993	17	21.7
1994	12	21.7
1995	24	21.7
1996	30	21.7
1997	19	21.7
1998	20	21.7
1999	24	21.7
2000	22	19.8
2001	14	19.8
2002	14	19.8
2003	27	19.8
2004	20	19.8
2005	24	19.8
2006	15	19.8
2007	23	19.8
2008	17	19.8
2009	22	19.8
2010	10	10

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

First to last qualifying date each year at Inkpen
Year	First date	Last date
1934	1934-03-08	1934-11-04
1935	1935-02-01	1935-10-27
1936	1936-05-09	1936-12-19
1937	1937-04-19	1937-09-16
1938	1938-03-14	1938-11-02
1939	1939-01-24	1939-10-04
1940	1940-01-23	1940-12-03
1941	1941-04-27	1941-10-04
1942	1942-03-13	1942-12-21
1943	1943-01-31	1943-09-19
1944	1944-05-17	1944-12-07
1945	1945-03-26	1945-11-12
1946	1946-04-19	1946-11-13
1947	1947-03-05	1947-11-19
1948	1948-04-30	1948-11-15
1949	1949-04-29	1949-11-14
1950	1950-05-06	1950-11-08
1951	1951-02-14	1951-12-03
1952	1952-05-05	1952-12-18
1953	1953-02-03	1953-10-28
1954	1954-04-23	1954-11-11
1955	1955-02-06	1955-10-20
1956	1956-04-12	1956-11-29
1957	1957-01-21	1957-10-20
1958	1958-05-08	1958-12-21
1959	1959-03-01	1959-11-02
1960	1960-01-01	1960-09-23
1961	1961-01-26	1961-10-18
1962	1962-05-13	1962-11-09
1965	1965-05-05	1965-12-26
1966	1966-01-03	1966-12-27
1971	1971-01-31	1971-11-26
1972	1972-03-02	1972-08-25
1973	1973-04-25	1973-10-14
1974	1974-04-03	1974-09-12
1975	1975-04-01	1975-09-20
1976	1976-02-28	1976-10-19
1977	1977-05-15	1977-10-30
1978	1978-02-24	1978-12-19
1979	1979-03-14	1979-08-19
1980	1980-04-21	1980-11-26
1981	1981-02-18	1981-11-26
1982	1982-01-21	1982-09-16
1983	1983-06-02	1983-12-31
1984	1984-03-04	1984-11-08
1985	1985-06-05	1985-10-28
1986	1986-02-21	1986-10-13
1987	1987-04-08	1987-11-30
1988	1988-03-24	1988-11-07
1989	1989-01-26	1989-10-18
1990	1990-01-29	1990-10-13
1991	1991-04-10	1991-12-25
1992	1992-02-09	1992-11-20
1993	1993-03-19	1993-10-02
1994	1994-05-23	1994-09-11
1995	1995-05-10	1995-12-25
1996	1996-05-31	1996-11-16
1997	1997-03-30	1997-11-22
1998	1998-03-10	1998-10-17
1999	1999-01-23	1999-12-13
2000	2000-01-04	2000-08-31
2001	2001-05-06	2001-11-19
2002	2002-04-17	2002-11-01
2003	2003-03-21	2003-12-18
2004	2004-05-10	2004-12-28
2005	2005-03-28	2005-10-22
2006	2006-01-13	2006-09-11
2007	2007-03-18	2007-12-17
2008	2008-04-01	2008-11-23
2009	2009-01-28	2009-11-19
2010	2010-03-23	2010-08-13

Every Fixed Threshold

Fixed thresholds at Inkpen
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	71	34	1946	10
25 mm (0.98 in): Days with 25 mm or more rain	71	12	1945	1
50 mm (1.97 in): Days with 50 mm or more rain	18	3	1934	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1934	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1934.

Download the Data

Data for Inkpen 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).

Inkpen Threshold Days by Year (ASN00010056)

Key Facts for Inkpen Thresholds

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

Every Fixed Threshold

Download the Data

Related