Illalangi Threshold Days by Year (ASN00009523)

4 fixed thresholds counted per year at Illalangi (ASN00009523): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Illalangi Thresholds

Illalangi: days with 10 mm (0.39 in) or more of precipitation in 89 years, most in 1955 with 60.
Illalangi: days with 25 mm (0.98 in) or more of precipitation in 89 years, most in 1955 with 15.
Illalangi: days with 50 mm (1.97 in) or more of precipitation in 42 years, most in 1947 with 4.
Illalangi: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1913 with 1.
4 fixed thresholds have at least one qualifying day at Illalangi.

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

89 years with a qualifying day

Days per year at Illalangi with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 60 in 1955.

Days with 10 mm (0.39 in) or more of precipitation per year at Illalangi
Year	Days	Decade average
1912	41	42.1
1913	46	42.1
1914	29	42.1
1915	47	42.1
1916	35	42.1
1917	53	42.1
1918	47	42.1
1919	39	42.1
1920	42	43.6
1921	40	43.6
1922	39	43.6
1923	46	43.6
1924	45	43.6
1925	40	43.6
1926	48	43.6
1927	43	43.6
1928	49	43.6
1929	44	43.6
1930	39	42.4
1931	45	42.4
1932	39	42.4
1933	50	42.4
1934	39	42.4
1941	40	42.1
1942	52	42.1
1943	48	42.1
1944	30	42.1
1945	53	42.1
1946	33	42.1
1947	47	42.1
1948	35	42.1
1949	41	42.1
1950	43	40.7
1951	48	40.7
1952	45	40.7
1953	32	40.7
1954	32	40.7
1955	60	40.7
1956	36	40.7
1957	29	40.7
1958	41	40.7
1962	34	34
1965	39	34
1966	30	34
1967	36	34
1968	32	34
1969	33	34
1970	53	45.3
1971	50	45.3
1972	29	45.3
1973	48	45.3
1974	38	45.3
1975	42	45.3
1976	45	45.3
1977	48	45.3
1978	55	45.3
1979	45	45.3
1980	36	41.5
1981	48	41.5
1982	38	41.5
1983	35	41.5
1984	45	41.5
1985	39	41.5
1986	35	41.5
1987	35	41.5
1988	52	41.5
1989	52	41.5
1990	43	44.3
1991	51	44.3
1992	41	44.3
1993	43	44.3
1994	39	44.3
1995	50	44.3
1996	52	44.3
1997	37	44.3
1999	43	44.3
2000	39	34.8
2001	29	34.8
2002	35	34.8
2003	36	34.8
2006	35	34.8
2015	29	39
2016	49	39
2020	46	32.2
2021	44	32.2
2022	32	32.2
2023	40	32.2
2024	22	32.2
2026	9	32.2

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

First to last qualifying date each year at Illalangi
Year	First date	Last date
1912	1912-03-01	1912-11-20
1913	1913-01-12	1913-12-22
1914	1914-02-18	1914-12-13
1915	1915-02-01	1915-11-17
1916	1916-01-05	1916-10-25
1917	1917-01-29	1917-12-20
1918	1918-01-20	1918-12-08
1919	1919-02-06	1919-11-05
1920	1920-02-21	1920-10-21
1921	1921-01-01	1921-12-10
1922	1922-01-25	1922-12-23
1923	1923-01-23	1923-10-04
1924	1924-04-01	1924-11-20
1925	1925-01-19	1925-12-27
1926	1926-02-24	1926-12-15
1927	1927-01-09	1927-12-15
1928	1928-01-09	1928-12-21
1929	1929-02-08	1929-12-24
1930	1930-03-06	1930-12-28
1931	1931-04-13	1931-12-19
1932	1932-03-06	1932-10-30
1933	1933-01-17	1933-11-15
1934	1934-01-04	1934-12-30
1941	1941-03-16	1941-11-15
1942	1942-01-07	1942-12-04
1943	1943-01-01	1943-12-15
1944	1944-02-21	1944-12-15
1945	1945-03-21	1945-12-26
1946	1946-04-26	1946-12-12
1947	1947-01-28	1947-12-19
1948	1948-03-25	1948-12-24
1949	1949-01-26	1949-11-19
1950	1950-01-04	1950-12-27
1951	1951-01-02	1951-12-06
1952	1952-01-24	1952-12-18
1953	1953-02-02	1953-12-20
1954	1954-03-16	1954-11-19
1955	1955-02-06	1955-12-15
1956	1956-03-05	1956-12-05
1957	1957-03-19	1957-10-31
1958	1958-01-25	1958-12-22
1962	1962-03-16	1962-11-30
1965	1965-01-14	1965-12-27
1966	1966-03-11	1966-11-22
1967	1967-03-15	1967-12-25
1968	1968-01-27	1968-10-05
1969	1969-03-13	1969-11-04
1970	1970-02-05	1970-12-12
1971	1971-01-08	1971-12-25
1972	1972-01-06	1972-10-08
1973	1973-01-18	1973-12-01
1974	1974-01-27	1974-11-24
1975	1975-04-02	1975-11-17
1976	1976-01-07	1976-11-28
1977	1977-03-04	1977-12-23
1978	1978-01-02	1978-12-15
1979	1979-01-11	1979-11-10
1980	1980-04-04	1980-12-20
1981	1981-02-27	1981-11-28
1982	1982-01-06	1982-12-23
1983	1983-01-31	1983-11-07
1984	1984-02-18	1984-12-28
1985	1985-01-17	1985-12-18
1986	1986-02-21	1986-12-01
1987	1987-01-10	1987-11-30
1988	1988-01-01	1988-11-24
1989	1989-01-06	1989-12-16
1990	1990-01-10	1990-11-17
1991	1991-01-03	1991-12-26
1992	1992-03-26	1992-11-21
1993	1993-03-18	1993-11-18
1994	1994-01-25	1994-11-26
1995	1995-02-24	1995-12-25
1996	1996-01-30	1996-12-13
1997	1997-02-20	1997-11-21
1999	1999-05-06	1999-12-13
2000	2000-01-16	2000-12-29
2001	2001-02-01	2001-12-19
2002	2002-01-10	2002-11-23
2003	2003-02-17	2003-11-19
2006	2006-01-26	2006-12-22
2015	2015-03-15	2015-12-06
2016	2016-01-18	2016-12-31
2020	2020-01-30	2020-12-14
2021	2021-02-07	2021-11-22
2022	2022-03-21	2022-11-18
2023	2023-01-22	2023-10-23
2024	2024-05-05	2024-11-21
2026	2026-03-28	2026-05-31

Every Fixed Threshold

Fixed thresholds at Illalangi
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	89	60	1955	9
25 mm (0.98 in): Days with 25 mm or more rain	89	15	1955	3
50 mm (1.97 in): Days with 50 mm or more rain	42	4	1947	3
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1913	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

Data for Illalangi 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Illalangi Threshold Days by Year (ASN00009523)

Key Facts for Illalangi Thresholds

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

Every Fixed Threshold

Download the Data

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