Southbourne Threshold Days by Year (ASN00010166)

4 fixed thresholds counted per year at Southbourne (ASN00010166): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Southbourne Thresholds

Southbourne: days with 10 mm (0.39 in) or more of precipitation in 65 years, most in 1955 with 36.
Southbourne: days with 25 mm (0.98 in) or more of precipitation in 62 years, most in 1983 with 10.
Southbourne: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1934 with 3.
Southbourne: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1934 with 1.
4 fixed thresholds have at least one qualifying day at Southbourne.

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

65 years with a qualifying day

Days per year at Southbourne with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1955.

Days with 10 mm (0.39 in) or more of precipitation per year at Southbourne
Year	Days	Decade average
1907	25	19
1908	15	19
1909	17	19
1910	25	19.6
1911	15	19.6
1912	16	19.6
1913	20	19.6
1914	4	19.6
1915	32	19.6
1916	19	19.6
1917	29	19.6
1918	22	19.6
1919	14	19.6
1920	18	18.4
1921	17	18.4
1922	15	18.4
1923	29	18.4
1924	16	18.4
1925	13	18.4
1926	30	18.4
1927	16	18.4
1928	19	18.4
1929	11	18.4
1930	19	21.5
1931	23	21.5
1932	25	21.5
1933	21	21.5
1934	25	21.5
1936	16	21.5
1950	23	23.2
1951	18	23.2
1952	20	23.2
1953	28	23.2
1954	15	23.2
1955	36	23.2
1956	28	23.2
1957	23	23.2
1958	22	23.2
1959	19	23.2
1960	25	21
1961	21	21
1962	21	21
1964	26	21
1965	22	21
1966	20	21
1967	22	21
1968	23	21
1969	9	21
1970	19	18.6
1971	18	18.6
1972	15	18.6
1973	23	18.6
1974	26	18.6
1975	21	18.6
1976	18	18.6
1977	14	18.6
1978	18	18.6
1979	14	18.6
1980	17	16.6
1981	17	16.6
1982	14	16.6
1983	19	16.6
1984	17	16.6
1985	14	16.6
1986	18	16.6

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

First to last qualifying date each year at Southbourne
Year	First date	Last date
1907	1907-03-08	1907-10-25
1908	1908-05-03	1908-08-20
1909	1909-04-09	1909-09-28
1910	1910-04-15	1910-09-02
1911	1911-04-27	1911-09-12
1912	1912-05-06	1912-09-28
1913	1913-04-10	1913-12-20
1914	1914-05-21	1914-08-26
1915	1915-02-09	1915-10-09
1916	1916-03-19	1916-11-24
1917	1917-04-08	1917-10-13
1918	1918-01-19	1918-10-22
1919	1919-04-17	1919-12-10
1920	1920-05-08	1920-09-11
1921	1921-05-08	1921-10-13
1922	1922-04-29	1922-09-17
1923	1923-01-20	1923-12-22
1924	1924-05-12	1924-11-03
1925	1925-01-24	1925-09-24
1926	1926-01-02	1926-11-19
1927	1927-03-13	1927-09-20
1928	1928-05-30	1928-10-21
1929	1929-05-03	1929-10-29
1930	1930-03-06	1930-09-07
1931	1931-04-13	1931-09-05
1932	1932-04-06	1932-10-23
1933	1933-03-07	1933-10-03
1934	1934-03-08	1934-11-04
1936	1936-05-09	1936-12-15
1950	1950-05-06	1950-11-08
1951	1951-04-06	1951-11-30
1952	1952-05-02	1952-12-18
1953	1953-02-03	1953-10-19
1954	1954-05-23	1954-11-11
1955	1955-02-07	1955-10-20
1956	1956-04-12	1956-10-13
1957	1957-01-21	1957-10-20
1958	1958-05-22	1958-12-21
1959	1959-02-07	1959-10-07
1960	1960-01-01	1960-09-23
1961	1961-01-26	1961-10-18
1962	1962-05-13	1962-11-09
1964	1964-04-02	1964-08-23
1965	1965-05-05	1965-12-26
1966	1966-04-05	1966-10-23
1967	1967-04-22	1967-10-04
1968	1968-03-17	1968-10-05
1969	1969-04-09	1969-07-27
1970	1970-02-16	1970-10-04
1971	1971-01-31	1971-11-26
1972	1972-03-02	1972-08-18
1973	1973-04-25	1973-10-14
1974	1974-04-03	1974-09-12
1975	1975-04-01	1975-10-15
1976	1976-01-07	1976-11-11
1977	1977-05-15	1977-10-31
1978	1978-02-24	1978-12-19
1979	1979-02-20	1979-11-13
1980	1980-04-20	1980-12-30
1981	1981-02-18	1981-11-26
1982	1982-01-21	1982-09-16
1983	1983-03-17	1983-12-31
1984	1984-03-04	1984-11-09
1985	1985-04-09	1985-09-22
1986	1986-02-21	1986-09-15

Every Fixed Threshold

Fixed thresholds at Southbourne
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	65	36	1955	18
25 mm (0.98 in): Days with 25 mm or more rain	62	10	1983	3
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	2	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 1907.

Download the Data

Data for Southbourne 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).

Southbourne Threshold Days by Year (ASN00010166)

Key Facts for Southbourne Thresholds

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

Every Fixed Threshold

Download the Data

Related