Irishtown Threshold Days by Year

4 fixed thresholds counted per year at Irishtown (ASN00091044): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Irishtown Thresholds

Irishtown: days with 10 mm (0.39 in) or more of precipitation in 78 years, most in 1910 with 60.
Irishtown: days with 25 mm (0.98 in) or more of precipitation in 77 years, most in 1964 with 14.
Irishtown: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1929 with 2.
Irishtown: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1947 with 1.
4 fixed thresholds have at least one qualifying day at Irishtown.

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

78 years with a qualifying day

Days per year at Irishtown with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 60 in 1910.

Days with 10 mm (0.39 in) or more of precipitation per year at Irishtown
Year	Days	Decade average
1907	41	40.3
1908	33	40.3
1909	47	40.3
1910	60	43.4
1911	34	43.4
1912	49	43.4
1913	34	43.4
1914	26	43.4
1915	57	43.4
1916	51	43.4
1917	51	43.4
1918	32	43.4
1919	40	43.4
1920	40	41.7
1921	38	41.7
1922	43	41.7
1923	59	41.7
1924	46	41.7
1925	26	41.7
1926	40	41.7
1927	28	41.7
1928	54	41.7
1929	43	41.7
1930	37	37.5
1931	46	37.5
1932	30	37.5
1933	33	37.5
1934	29	37.5
1935	40	37.5
1936	42	37.5
1937	34	37.5
1938	41	37.5
1939	43	37.5
1940	13	31.6
1941	34	31.6
1945	31	31.6
1947	50	31.6
1949	30	31.6
1950	32	39.6
1951	33	39.6
1952	40	39.6
1953	41	39.6
1954	33	39.6
1955	54	39.6
1956	55	39.6
1957	36	39.6
1958	40	39.6
1959	32	39.6
1960	47	38.1
1961	32	38.1
1962	49	38.1
1963	34	38.1
1964	55	38.1
1965	27	38.1
1966	31	38.1
1967	25	38.1
1968	50	38.1
1969	31	38.1
1970	39	33.5
1971	45	33.5
1972	20	33.5
1973	30	33.5
1997	21	27.3
1998	32	27.3
1999	29	27.3
2000	30	34.3
2001	38	34.3
2002	34	34.3
2003	41	34.3
2004	38	34.3
2005	38	34.3
2006	19	34.3
2007	30	34.3
2008	33	34.3
2009	42	34.3
2010	44	38.3
2011	32	38.3
2012	39	38.3

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

First to last qualifying date each year at Irishtown
Year	First date	Last date
1907	1907-03-19	1907-10-21
1908	1908-01-10	1908-11-27
1909	1909-03-02	1909-12-21
1910	1910-01-10	1910-12-23
1911	1911-01-01	1911-12-26
1912	1912-02-08	1912-12-23
1913	1913-01-03	1913-12-26
1914	1914-01-27	1914-12-26
1915	1915-01-20	1915-11-29
1916	1916-01-04	1916-12-29
1917	1917-01-04	1917-12-30
1918	1918-01-11	1918-12-24
1919	1919-01-26	1919-12-18
1920	1920-02-29	1920-12-15
1921	1921-02-02	1921-11-27
1922	1922-01-29	1922-12-30
1923	1923-01-05	1923-12-14
1924	1924-01-05	1924-11-26
1925	1925-01-13	1925-12-03
1926	1926-01-28	1926-12-17
1927	1927-02-03	1927-12-05
1928	1928-01-01	1928-12-15
1929	1929-01-10	1929-12-28
1930	1930-02-22	1930-12-25
1931	1931-01-03	1931-11-17
1932	1932-01-09	1932-12-07
1933	1933-03-17	1933-12-01
1934	1934-04-07	1934-12-29
1935	1935-01-05	1935-11-16
1936	1936-01-21	1936-12-04
1937	1937-01-01	1937-12-13
1938	1938-01-02	1938-12-28
1939	1939-02-03	1939-12-23
1940	1940-01-06	1940-12-28
1941	1941-01-24	1941-12-04
1945	1945-01-01	1945-11-17
1947	1947-01-07	1947-12-22
1949	1949-01-05	1949-12-14
1950	1950-01-09	1950-12-15
1951	1951-03-01	1951-12-18
1952	1952-01-11	1952-12-08
1953	1953-01-06	1953-12-21
1954	1954-01-28	1954-12-13
1955	1955-01-31	1955-12-31
1956	1956-01-02	1956-12-31
1957	1957-02-07	1957-12-26
1958	1958-01-21	1958-12-10
1959	1959-01-26	1959-12-26
1960	1960-01-09	1960-11-22
1961	1961-04-05	1961-12-18
1962	1962-01-31	1962-12-11
1963	1963-01-14	1963-12-30
1964	1964-01-02	1964-12-07
1965	1965-03-09	1965-12-31
1966	1966-02-01	1966-12-19
1967	1967-01-13	1967-12-31
1968	1968-02-21	1968-11-27
1969	1969-01-26	1969-12-13
1970	1970-01-03	1970-12-31
1971	1971-02-09	1971-12-31
1972	1972-01-12	1972-12-10
1973	1973-01-13	1973-12-31
1997	1997-01-16	1997-12-02
1998	1998-02-08	1998-12-21
1999	1999-02-12	1999-11-15
2000	2000-01-21	2000-12-22
2001	2001-01-15	2001-12-25
2002	2002-01-28	2002-12-05
2003	2003-01-01	2003-12-22
2004	2004-01-08	2004-12-01
2005	2005-02-04	2005-12-13
2006	2006-01-01	2006-12-23
2007	2007-01-07	2007-12-22
2008	2008-03-25	2008-12-30
2009	2009-01-01	2009-11-30
2010	2010-02-05	2010-12-19
2011	2011-01-11	2011-12-19
2012	2012-01-08	2012-12-16

Every Fixed Threshold

Fixed thresholds at Irishtown
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	78	60	1910	39
25 mm (0.98 in): Days with 25 mm or more rain	77	14	1964	5
50 mm (1.97 in): Days with 50 mm or more rain	18	2	1929	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1947	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.

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Data for Irishtown 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).

Irishtown Threshold Days by Year

Key Facts for Irishtown Thresholds

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

Every Fixed Threshold

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