Coleraine Hospital Threshold Days by Year (ASN00090024)

4 fixed thresholds counted per year at Coleraine Hospital (ASN00090024): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Coleraine Hospital Thresholds

Coleraine Hospital: days with 10 mm (0.39 in) or more of precipitation in 88 years, most in 1928 with 26.
Coleraine Hospital: days with 25 mm (0.98 in) or more of precipitation in 67 years, most in 1909 with 5.
Coleraine Hospital: days with 50 mm (1.97 in) or more of precipitation in 16 years, most in 1946 with 3.
Coleraine Hospital: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1910 with 1.
4 fixed thresholds have at least one qualifying day at Coleraine Hospital.

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

88 years with a qualifying day

Days per year at Coleraine Hospital with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1928.

Days with 10 mm (0.39 in) or more of precipitation per year at Coleraine Hospital
Year	Days	Decade average
1899	18	18
1900	14	16.2
1902	10	16.2
1903	22	16.2
1904	14	16.2
1905	18	16.2
1906	16	16.2
1907	14	16.2
1908	15	16.2
1909	23	16.2
1910	22	15.3
1911	16	15.3
1912	11	15.3
1913	18	15.3
1914	7	15.3
1915	16	15.3
1916	13	15.3
1917	18	15.3
1918	19	15.3
1919	13	15.3
1920	19	17.7
1921	17	17.7
1922	11	17.7
1923	16	17.7
1924	19	17.7
1925	17	17.7
1926	14	17.7
1927	19	17.7
1928	26	17.7
1929	19	17.7
1930	17	16.6
1931	10	16.6
1932	16	16.6
1933	15	16.6
1934	17	16.6
1935	20	16.6
1936	18	16.6
1937	16	16.6
1938	15	16.6
1939	22	16.6
1940	11	14.6
1941	17	14.6
1942	19	14.6
1943	13	14.6
1944	13	14.6
1945	12	14.6
1946	22	14.6
1947	17	14.6
1948	14	14.6
1949	8	14.6
1950	6	13.3
1951	9	13.3
1952	26	13.3
1953	16	13.3
1954	8	13.3
1956	15	13.3
1958	13	13.3
1960	15	10.8
1961	15	10.8
1962	12	10.8
1963	6	10.8
1965	8	10.8
1966	10	10.8
1967	2	10.8
1968	15	10.8
1969	14	10.8
1970	15	13.7
1971	19	13.7
1972	7	13.7
1973	16	13.7
1974	16	13.7
1976	13	13.7
1979	10	13.7
1982	6	9
1989	12	9
1990	13	13.4
1991	18	13.4
1994	11	13.4
1995	17	13.4
1996	18	13.4
1997	7	13.4
1998	14	13.4
1999	9	13.4
2000	12	12
2020	15	13.5
2021	11	13.5
2023	17	13.5
2026	11	13.5

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

First to last qualifying date each year at Coleraine Hospital
Year	First date	Last date
1899	1899-01-30	1899-12-28
1900	1900-01-22	1900-08-28
1902	1902-03-25	1902-12-20
1903	1903-01-06	1903-11-26
1904	1904-01-02	1904-11-03
1905	1905-01-30	1905-12-04
1906	1906-02-28	1906-11-29
1907	1907-03-04	1907-11-23
1908	1908-02-08	1908-10-17
1909	1909-02-24	1909-10-18
1910	1910-01-22	1910-12-23
1911	1911-02-07	1911-12-12
1912	1912-03-28	1912-12-06
1913	1913-02-14	1913-12-23
1914	1914-03-10	1914-12-26
1915	1915-04-12	1915-10-25
1916	1916-01-28	1916-11-21
1917	1917-01-22	1917-10-20
1918	1918-01-14	1918-10-28
1919	1919-02-03	1919-12-29
1920	1920-03-06	1920-12-17
1921	1921-01-03	1921-11-28
1922	1922-04-05	1922-12-26
1923	1923-05-21	1923-12-14
1924	1924-02-15	1924-11-25
1925	1925-01-22	1925-11-20
1926	1926-02-25	1926-12-06
1927	1927-01-05	1927-12-02
1928	1928-01-20	1928-12-24
1929	1929-01-30	1929-12-28
1930	1930-02-21	1930-12-16
1931	1931-01-26	1931-11-16
1932	1932-02-05	1932-10-12
1933	1933-01-25	1933-12-03
1934	1934-04-03	1934-11-30
1935	1935-01-05	1935-12-02
1936	1936-01-04	1936-12-17
1937	1937-01-19	1937-12-02
1938	1938-01-14	1938-11-04
1939	1939-01-16	1939-12-05
1940	1940-01-05	1940-12-20
1941	1941-01-25	1941-09-10
1942	1942-01-20	1942-12-19
1943	1943-02-18	1943-09-28
1944	1944-02-28	1944-12-11
1945	1945-02-21	1945-12-27
1946	1946-01-17	1946-10-24
1947	1947-02-04	1947-12-23
1948	1948-03-01	1948-12-27
1949	1949-02-28	1949-12-14
1950	1950-07-05	1950-12-20
1951	1951-02-19	1951-10-25
1952	1952-01-24	1952-12-11
1953	1953-04-04	1953-12-09
1954	1954-01-28	1954-09-18
1956	1956-04-10	1956-12-13
1958	1958-01-30	1958-10-24
1960	1960-01-04	1960-11-21
1961	1961-04-07	1961-12-14
1962	1962-01-10	1962-10-23
1963	1963-01-14	1963-07-20
1965	1965-04-22	1965-12-07
1966	1966-02-14	1966-12-13
1967	1967-02-25	1967-12-30
1968	1968-03-29	1968-12-25
1969	1969-02-10	1969-12-02
1970	1970-01-03	1970-12-31
1971	1971-03-15	1971-12-31
1972	1972-03-02	1972-11-24
1973	1973-01-31	1973-10-27
1974	1974-01-14	1974-11-12
1976	1976-02-09	1976-12-23
1979	1979-04-21	1979-12-31
1982	1982-01-07	1982-10-22
1989	1989-03-10	1989-11-16
1990	1990-02-02	1990-11-22
1991	1991-01-05	1991-11-04
1994	1994-02-27	1994-12-21
1995	1995-02-16	1995-11-06
1996	1996-06-04	1996-12-08
1997	1997-01-22	1997-11-14
1998	1998-02-08	1998-11-27
1999	1999-01-29	1999-12-03
2000	2000-04-01	2000-12-22
2020	2020-02-19	2020-12-22
2021	2021-05-26	2021-11-15
2023	2023-02-03	2023-10-31
2026	2026-03-02	2026-10-02

Every Fixed Threshold

Fixed thresholds at Coleraine Hospital
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	88	26	1928	11
25 mm (0.98 in): Days with 25 mm or more rain	67	5	1909	1
50 mm (1.97 in): Days with 50 mm or more rain	16	3	1946	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1910	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1899.

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Data for Coleraine Hospital 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Coleraine Hospital Threshold Days by Year (ASN00090024)

Key Facts for Coleraine Hospital Thresholds

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

Every Fixed Threshold

Download the Data

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