Romsey Threshold Days by Year (ASN00087057)

4 fixed thresholds counted per year at Romsey (ASN00087057): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Romsey Thresholds

Romsey: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1956 with 33.
Romsey: days with 25 mm (0.98 in) or more of precipitation in 62 years, most in 1878 with 10.
Romsey: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1916 with 3.
Romsey: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1907 with 1.
4 fixed thresholds have at least one qualifying day at Romsey.

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

68 years with a qualifying day

Days per year at Romsey with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 33 in 1956.

Days with 10 mm (0.39 in) or more of precipitation per year at Romsey
Year	Days	Decade average
1878	24	19
1879	14	19
1903	23	19.6
1904	22	19.6
1905	21	19.6
1906	23	19.6
1907	14	19.6
1908	12	19.6
1909	22	19.6
1910	18	19
1911	24	19
1912	16	19
1913	18	19
1914	12	19
1915	14	19
1916	28	19
1917	25	19
1918	18	19
1919	17	19
1920	16	18.5
1921	27	18.5
1922	19	18.5
1923	19	18.5
1924	24	18.5
1925	13	18.5
1926	15	18.5
1927	13	18.5
1928	22	18.5
1929	17	18.5
1930	22	20.8
1931	18	20.8
1932	29	20.8
1933	24	20.8
1934	18	20.8
1935	20	20.8
1936	28	20.8
1937	14	20.8
1938	5	20.8
1939	30	20.8
1940	13	19.6
1941	22	19.6
1942	24	19.6
1943	11	19.6
1944	12	19.6
1945	20	19.6
1946	25	19.6
1947	25	19.6
1948	20	19.6
1949	24	19.6
1950	24	23.3
1951	25	23.3
1952	27	23.3
1953	17	23.3
1954	20	23.3
1955	28	23.3
1956	33	23.3
1957	11	23.3
1958	24	23.3
1959	24	23.3
1960	31	17.1
1961	12	17.1
1962	16	17.1
1963	20	17.1
1964	23	17.1
1965	16	17.1
1966	15	17.1
1967	4	17.1
1968	17	17.1

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

First to last qualifying date each year at Romsey
Year	First date	Last date
1878	1878-02-04	1878-11-02
1879	1879-02-11	1879-12-27
1903	1903-02-15	1903-12-29
1904	1904-01-03	1904-11-02
1905	1905-01-03	1905-12-30
1906	1906-03-01	1906-12-18
1907	1907-01-26	1907-12-28
1908	1908-01-10	1908-11-28
1909	1909-01-04	1909-12-01
1910	1910-01-15	1910-12-10
1911	1911-02-05	1911-12-13
1912	1912-02-08	1912-12-02
1913	1913-02-15	1913-12-30
1914	1914-01-26	1914-12-25
1915	1915-01-07	1915-10-23
1916	1916-01-28	1916-12-14
1917	1917-02-21	1917-12-31
1918	1918-03-04	1918-11-02
1919	1919-02-18	1919-12-28
1920	1920-04-03	1920-11-16
1921	1921-01-02	1921-12-03
1922	1922-01-08	1922-12-20
1923	1923-05-08	1923-12-16
1924	1924-01-03	1924-12-26
1925	1925-01-13	1925-11-20
1926	1926-01-08	1926-12-18
1927	1927-01-17	1927-10-20
1928	1928-01-18	1928-12-15
1929	1929-02-22	1929-12-28
1930	1930-02-19	1930-12-25
1931	1931-01-26	1931-11-21
1932	1932-02-06	1932-12-24
1933	1933-01-25	1933-12-26
1934	1934-01-09	1934-12-30
1935	1935-01-05	1935-12-25
1936	1936-01-09	1936-12-29
1937	1937-01-19	1937-10-17
1938	1938-02-05	1938-07-24
1939	1939-01-16	1939-12-06
1940	1940-01-06	1940-12-19
1941	1941-01-04	1941-12-05
1942	1942-01-20	1942-11-22
1943	1943-01-23	1943-11-18
1944	1944-01-24	1944-12-21
1945	1945-01-16	1945-11-12
1946	1946-01-17	1946-12-28
1947	1947-02-04	1947-12-23
1948	1948-01-06	1948-12-29
1949	1949-01-03	1949-11-22
1950	1950-02-01	1950-12-30
1951	1951-01-08	1951-11-28
1952	1952-01-05	1952-12-11
1953	1953-01-06	1953-12-07
1954	1954-01-28	1954-12-11
1955	1955-01-28	1955-12-28
1956	1956-01-03	1956-11-16
1957	1957-03-14	1957-12-26
1958	1958-02-18	1958-12-17
1959	1959-01-27	1959-12-28
1960	1960-01-09	1960-12-16
1961	1961-01-02	1961-12-16
1962	1962-01-17	1962-11-20
1963	1963-01-02	1963-12-06
1964	1964-02-11	1964-12-10
1965	1965-03-19	1965-12-07
1966	1966-01-13	1966-12-14
1967	1967-05-19	1967-09-21
1968	1968-01-25	1968-12-27

Every Fixed Threshold

Fixed thresholds at Romsey
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	68	33	1956	17
25 mm (0.98 in): Days with 25 mm or more rain	62	10	1878	5
50 mm (1.97 in): Days with 50 mm or more rain	29	3	1916	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1907	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1878.

Download the Data

Data for Romsey 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).

Romsey Threshold Days by Year (ASN00087057)

Key Facts for Romsey Thresholds

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

Every Fixed Threshold

Download the Data

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