Barry Threshold Days by Year

4 fixed thresholds counted per year at Barry (ASN00063002): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Barry Thresholds

Barry: days with 10 mm (0.39 in) or more of precipitation in 59 years, most in 1916 with 50.
Barry: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 1916 with 16.
Barry: days with 50 mm (1.97 in) or more of precipitation in 32 years, most in 1950 with 4.
Barry: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1959 with 1.
4 fixed thresholds have at least one qualifying day at Barry.

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

59 years with a qualifying day

Days per year at Barry with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 50 in 1916.

Days with 10 mm (0.39 in) or more of precipitation per year at Barry
Year	Days	Decade average
1916	50	31.3
1917	46	31.3
1918	18	31.3
1919	11	31.3
1920	27	26.2
1921	28	26.2
1922	23	26.2
1923	30	26.2
1924	27	26.2
1925	23	26.2
1926	36	26.2
1927	17	26.2
1928	28	26.2
1929	23	26.2
1930	31	26.8
1931	37	26.8
1932	23	26.8
1933	24	26.8
1934	31	26.8
1935	25	26.8
1936	34	26.8
1937	18	26.8
1938	18	26.8
1939	27	26.8
1940	15	25.3
1941	25	25.3
1942	38	25.3
1943	34	25.3
1944	11	25.3
1945	26	25.3
1946	18	25.3
1947	33	25.3
1948	25	25.3
1949	28	25.3
1950	50	32.3
1951	25	32.3
1952	38	32.3
1953	24	32.3
1954	26	32.3
1955	37	32.3
1956	49	32.3
1957	11	32.3
1958	38	32.3
1959	25	32.3
1960	39	31.9
1961	30	31.9
1962	31	31.9
1963	41	31.9
1964	36	31.9
1965	15	31.9
1969	31	31.9
1970	37	31.1
1971	23	31.1
1972	20	31.1
1973	41	31.1
1975	34	31.1
1976	34	31.1
1977	18	31.1
1978	42	31.1

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

First to last qualifying date each year at Barry
Year	First date	Last date
1916	1916-01-28	1916-12-24
1917	1917-01-20	1917-12-13
1918	1918-01-11	1918-09-16
1919	1919-02-19	1919-12-30
1920	1920-01-21	1920-12-17
1921	1921-03-02	1921-12-31
1922	1922-01-13	1922-12-07
1923	1923-05-11	1923-12-27
1924	1924-02-06	1924-12-16
1925	1925-01-15	1925-12-13
1926	1926-01-05	1926-12-27
1927	1927-01-06	1927-12-11
1928	1928-01-06	1928-11-04
1929	1929-02-16	1929-12-29
1930	1930-01-24	1930-12-17
1931	1931-01-02	1931-12-04
1932	1932-02-07	1932-12-24
1933	1933-01-21	1933-12-15
1934	1934-01-06	1934-12-20
1935	1935-01-06	1935-12-04
1936	1936-01-05	1936-12-15
1937	1937-01-10	1937-11-21
1938	1938-01-17	1938-11-01
1939	1939-01-26	1939-12-13
1940	1940-01-07	1940-12-21
1941	1941-01-01	1941-12-06
1942	1942-02-02	1942-12-28
1943	1943-01-08	1943-12-18
1944	1944-03-10	1944-11-30
1945	1945-01-14	1945-12-07
1946	1946-01-19	1946-12-29
1947	1947-02-19	1947-12-26
1948	1948-01-02	1948-12-31
1949	1949-02-21	1949-12-20
1950	1950-01-02	1950-11-25
1951	1951-01-07	1951-12-19
1952	1952-01-07	1952-12-30
1953	1953-01-06	1953-12-31
1954	1954-01-01	1954-12-11
1955	1955-01-23	1955-11-27
1956	1956-01-20	1956-11-11
1957	1957-01-20	1957-12-31
1958	1958-01-20	1958-12-28
1959	1959-01-02	1959-12-26
1960	1960-01-10	1960-12-16
1961	1961-01-02	1961-12-16
1962	1962-01-12	1962-12-30
1963	1963-01-04	1963-12-30
1964	1964-01-13	1964-11-13
1965	1965-04-13	1965-12-15
1969	1969-01-15	1969-12-13
1970	1970-01-03	1970-12-29
1971	1971-01-31	1971-12-08
1972	1972-01-13	1972-12-26
1973	1973-01-14	1973-12-31
1975	1975-01-10	1975-12-31
1976	1976-01-13	1976-12-24
1977	1977-01-12	1977-09-03
1978	1978-01-15	1978-12-27

Every Fixed Threshold

Fixed thresholds at Barry
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	59	50	1916	42
25 mm (0.98 in): Days with 25 mm or more rain	58	16	1916	9
50 mm (1.97 in): Days with 50 mm or more rain	32	4	1950	3
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1959	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

Download the Data

Data for Barry 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).

Barry Threshold Days by Year

Key Facts for Barry Thresholds

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

Every Fixed Threshold

Download the Data

Related