Rylstone (Ilford Rd) Threshold Days by Year

4 fixed thresholds counted per year at Rylstone (Ilford Rd) (ASN00062026): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Rylstone (Ilford Rd) Thresholds

Rylstone (Ilford Rd): days with 10 mm (0.39 in) or more of precipitation in 103 years, most in 1973 with 41.
Rylstone (Ilford Rd): days with 25 mm (0.98 in) or more of precipitation in 102 years, most in 1973 with 16.
Rylstone (Ilford Rd): days with 50 mm (1.97 in) or more of precipitation in 68 years, most in 1909 with 3.
Rylstone (Ilford Rd): days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1887 with 1.
4 fixed thresholds have at least one qualifying day at Rylstone (Ilford Rd).

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

103 years with a qualifying day

Days per year at Rylstone (Ilford Rd) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1973.

Days with 10 mm (0.39 in) or more of precipitation per year at Rylstone (Ilford Rd)
Year	Days	Decade average
1885	18	24.8
1886	26	24.8
1887	35	24.8
1888	15	24.8
1889	30	24.8
1890	28	22.3
1891	26	22.3
1892	28	22.3
1893	32	22.3
1894	21	22.3
1895	20	22.3
1896	23	22.3
1897	15	22.3
1898	14	22.3
1899	16	22.3
1900	24	18.3
1901	14	18.3
1902	9	18.3
1903	25	18.3
1904	21	18.3
1905	14	18.3
1906	19	18.3
1907	19	18.3
1908	16	18.3
1909	22	18.3
1910	21	20.7
1911	23	20.7
1912	12	20.7
1913	20	20.7
1914	21	20.7
1915	19	20.7
1916	34	20.7
1917	28	20.7
1918	15	20.7
1919	14	20.7
1920	31	22.8
1921	34	22.8
1922	10	22.8
1924	34	22.8
1925	10	22.8
1926	29	22.8
1927	13	22.8
1928	25	22.8
1929	19	22.8
1930	22	18.2
1931	27	18.2
1932	20	18.2
1933	17	18.2
1934	24	18.2
1935	15	18.2
1936	16	18.2
1937	16	18.2
1938	11	18.2
1939	14	18.2
1940	11	19.9
1941	13	19.9
1942	24	19.9
1943	20	19.9
1944	14	19.9
1945	27	19.9
1946	12	19.9
1947	30	19.9
1948	20	19.9
1949	28	19.9
1950	38	22.9
1951	21	22.9
1952	18	22.9
1953	17	22.9
1954	19	22.9
1955	23	22.9
1956	26	22.9
1957	12	22.9
1958	24	22.9
1959	31	22.9
1960	14	17.4
1961	21	17.4
1962	14	17.4
1963	23	17.4
1964	19	17.4
1965	13	17.4
1966	20	17.4
1967	12	17.4
1968	21	17.4
1970	31	23.8
1971	22	23.8
1972	18	23.8
1973	41	23.8
1974	15	23.8
1976	16	23.8
1982	8	19.8
1985	21	19.8
1986	21	19.8
1987	29	19.8
1990	22	17
1994	12	17
2001	16	18.3
2003	19	18.3
2008	20	18.3
2018	18	18
2020	30	24.8
2021	28	24.8
2022	29	24.8
2025	12	24.8

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

First to last qualifying date each year at Rylstone (Ilford Rd)
Year	First date	Last date
1885	1885-01-20	1885-12-24
1886	1886-01-17	1886-12-13
1887	1887-01-03	1887-12-27
1888	1888-01-09	1888-12-26
1889	1889-01-04	1889-12-21
1890	1890-01-13	1890-12-23
1891	1891-01-12	1891-12-05
1892	1892-01-11	1892-12-31
1893	1893-01-06	1893-12-29
1894	1894-01-08	1894-12-17
1895	1895-01-05	1895-12-28
1896	1896-01-21	1896-12-15
1897	1897-01-11	1897-11-13
1898	1898-01-13	1898-10-27
1899	1899-01-02	1899-11-18
1900	1900-01-06	1900-12-31
1901	1901-01-12	1901-11-18
1902	1902-03-28	1902-12-15
1903	1903-03-01	1903-12-22
1904	1904-01-03	1904-12-18
1905	1905-02-16	1905-11-21
1906	1906-03-02	1906-12-25
1907	1907-01-14	1907-12-28
1908	1908-01-08	1908-12-22
1909	1909-01-18	1909-12-25
1910	1910-01-12	1910-12-18
1911	1911-01-06	1911-12-05
1912	1912-01-06	1912-11-20
1913	1913-01-03	1913-12-18
1914	1914-02-25	1914-12-22
1915	1915-01-13	1915-12-30
1916	1916-01-09	1916-12-13
1917	1917-01-12	1917-12-13
1918	1918-01-11	1918-12-20
1919	1919-01-04	1919-12-31
1920	1920-01-05	1920-12-26
1921	1921-01-04	1921-12-31
1922	1922-01-07	1922-10-28
1924	1924-01-21	1924-12-16
1925	1925-02-10	1925-12-30
1926	1926-01-06	1926-12-28
1927	1927-01-07	1927-12-20
1928	1928-01-05	1928-11-20
1929	1929-01-08	1929-12-27
1930	1930-01-24	1930-12-18
1931	1931-01-24	1931-12-04
1932	1932-01-27	1932-12-24
1933	1933-01-23	1933-12-06
1934	1934-01-04	1934-12-29
1935	1935-01-04	1935-11-29
1936	1936-01-06	1936-12-15
1937	1937-01-02	1937-12-04
1938	1938-01-27	1938-11-09
1939	1939-03-02	1939-11-14
1940	1940-01-18	1940-12-20
1941	1941-01-02	1941-10-31
1942	1942-01-16	1942-12-28
1943	1943-01-21	1943-12-20
1944	1944-01-26	1944-08-24
1945	1945-01-12	1945-12-08
1946	1946-01-19	1946-12-06
1947	1947-01-07	1947-12-26
1948	1948-01-02	1948-12-31
1949	1949-01-01	1949-12-20
1950	1950-01-02	1950-11-25
1951	1951-01-01	1951-11-27
1952	1952-02-25	1952-12-31
1953	1953-01-06	1953-11-27
1954	1954-01-01	1954-11-14
1955	1955-01-21	1955-12-29
1956	1956-01-20	1956-10-16
1957	1957-01-10	1957-12-31
1958	1958-01-29	1958-12-28
1959	1959-01-01	1959-12-26
1960	1960-02-10	1960-12-03
1961	1961-01-03	1961-12-18
1962	1962-01-11	1962-12-15
1963	1963-01-03	1963-12-28
1964	1964-01-14	1964-12-23
1965	1965-01-25	1965-12-26
1966	1966-01-17	1966-12-24
1967	1967-01-26	1967-12-30
1968	1968-01-05	1968-12-27
1970	1970-01-02	1970-12-29
1971	1971-01-25	1971-12-29
1972	1972-01-04	1972-11-24
1973	1973-01-27	1973-12-31
1974	1974-01-07	1974-10-18
1976	1976-01-13	1976-10-22
1982	1982-01-14	1982-10-11
1985	1985-02-08	1985-12-15
1986	1986-01-16	1986-11-14
1987	1987-01-01	1987-12-29
1990	1990-01-08	1990-10-22
1994	1994-02-07	1994-12-26
2001	2001-01-31	2001-11-07
2003	2003-02-11	2003-12-12
2008	2008-01-20	2008-12-24
2018	2018-01-27	2018-12-11
2020	2020-01-17	2020-12-29
2021	2021-01-04	2021-12-09
2022	2022-01-07	2022-11-14
2025	2025-02-09	2025-07-26

Every Fixed Threshold

Fixed thresholds at Rylstone (Ilford Rd)
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	103	41	1973	12
25 mm (0.98 in): Days with 25 mm or more rain	102	16	1973	2
50 mm (1.97 in): Days with 50 mm or more rain	68	3	1909	2
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1887	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1885.

Download the Data

Data for Rylstone (Ilford Rd) 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).

Rylstone (Ilford Rd) Threshold Days by Year

Key Facts for Rylstone (Ilford Rd) Thresholds

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

Every Fixed Threshold

Download the Data

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