Hay (Illilawa) Threshold Days by Year (ASN00075035)

4 fixed thresholds counted per year at Hay (Illilawa) (ASN00075035): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hay (Illilawa) Thresholds

Hay (Illilawa): days with 10 mm (0.39 in) or more of precipitation in 99 years, most in 1956 with 25.
Hay (Illilawa): days with 25 mm (0.98 in) or more of precipitation in 82 years, most in 1956 with 9.
Hay (Illilawa): days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 1889 with 3.
Hay (Illilawa): days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1896 with 1.
4 fixed thresholds have at least one qualifying day at Hay (Illilawa).

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

99 years with a qualifying day

Days per year at Hay (Illilawa) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1956.

Days with 10 mm (0.39 in) or more of precipitation per year at Hay (Illilawa)
Year	Days	Decade average
1888	7	13.5
1889	20	13.5
1890	16	11.4
1891	16	11.4
1892	11	11.4
1893	15	11.4
1894	17	11.4
1895	10	11.4
1896	9	11.4
1897	8	11.4
1898	6	11.4
1899	6	11.4
1900	9	9.6
1901	6	9.6
1902	2	9.6
1903	9	9.6
1904	13	9.6
1906	19	9.6
1907	10	9.6
1908	7	9.6
1909	11	9.6
1910	7	9.4
1911	14	9.4
1912	12	9.4
1913	7	9.4
1914	5	9.4
1915	6	9.4
1916	13	9.4
1917	12	9.4
1918	11	9.4
1919	7	9.4
1920	16	10.6
1921	20	10.6
1922	6	10.6
1923	10	10.6
1924	17	10.6
1925	7	10.6
1926	13	10.6
1927	2	10.6
1928	7	10.6
1929	8	10.6
1930	10	10.8
1931	13	10.8
1932	15	10.8
1933	18	10.8
1934	14	10.8
1935	5	10.8
1936	8	10.8
1937	6	10.8
1938	4	10.8
1939	15	10.8
1940	3	8.2
1941	9	8.2
1942	11	8.2
1943	5	8.2
1944	5	8.2
1945	5	8.2
1946	10	8.2
1947	11	8.2
1948	10	8.2
1949	13	8.2
1950	12	13.3
1953	9	13.3
1954	11	13.3
1955	16	13.3
1956	25	13.3
1957	12	13.3
1958	11	13.3
1959	10	13.3
1960	9	10.9
1961	12	10.9
1962	10	10.9
1963	15	10.9
1964	11	10.9
1965	13	10.9
1966	10	10.9
1967	4	10.9
1968	6	10.9
1969	19	10.9
1970	13	11
1971	8	11
1972	7	11
1973	15	11
1974	22	11
1975	11	11
1976	9	11
1977	6	11
1978	11	11
1979	8	11
1980	10	11.1
1981	14	11.1
1982	4	11.1
1983	13	11.1
1984	16	11.1
1985	13	11.1
1986	12	11.1
1987	7	11.1
1992	14	16
1993	18	16

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

First to last qualifying date each year at Hay (Illilawa)
Year	First date	Last date
1888	1888-01-01	1888-09-23
1889	1889-01-03	1889-12-19
1890	1890-02-08	1890-12-18
1891	1891-01-09	1891-12-03
1892	1892-04-26	1892-11-09
1893	1893-03-31	1893-12-28
1894	1894-01-26	1894-12-27
1895	1895-01-04	1895-10-02
1896	1896-01-15	1896-09-17
1897	1897-01-09	1897-12-03
1898	1898-02-13	1898-12-23
1899	1899-01-19	1899-11-06
1900	1900-01-08	1900-07-04
1901	1901-01-27	1901-09-22
1902	1902-03-27	1902-12-17
1903	1903-03-05	1903-12-27
1904	1904-01-02	1904-12-18
1906	1906-02-01	1906-12-17
1907	1907-05-21	1907-12-27
1908	1908-01-31	1908-10-08
1909	1909-02-25	1909-09-16
1910	1910-01-14	1910-09-04
1911	1911-01-13	1911-12-01
1912	1912-01-06	1912-12-04
1913	1913-02-15	1913-10-28
1914	1914-01-27	1914-12-15
1915	1915-05-15	1915-10-23
1916	1916-04-02	1916-12-09
1917	1917-01-11	1917-11-22
1918	1918-01-12	1918-10-08
1919	1919-02-18	1919-11-13
1920	1920-04-13	1920-12-17
1921	1921-01-02	1921-12-27
1922	1922-02-22	1922-12-06
1923	1923-05-08	1923-12-26
1924	1924-01-06	1924-12-27
1925	1925-01-13	1925-11-19
1926	1926-03-21	1926-12-27
1927	1927-05-11	1927-10-02
1928	1928-01-18	1928-07-16
1929	1929-04-03	1929-12-27
1930	1930-01-30	1930-12-25
1931	1931-03-19	1931-11-16
1932	1932-02-08	1932-12-16
1933	1933-01-22	1933-12-25
1934	1934-02-22	1934-11-30
1935	1935-01-05	1935-09-14
1936	1936-03-16	1936-12-18
1937	1937-01-19	1937-10-16
1938	1938-05-21	1938-10-24
1939	1939-02-17	1939-11-16
1940	1940-04-25	1940-12-28
1941	1941-01-03	1941-10-01
1942	1942-02-13	1942-12-09
1943	1943-02-18	1943-09-29
1944	1944-04-09	1944-12-12
1945	1945-01-31	1945-10-27
1946	1946-01-18	1946-12-28
1947	1947-02-11	1947-12-02
1948	1948-02-03	1948-12-03
1949	1949-03-01	1949-10-22
1950	1950-02-04	1950-10-12
1953	1953-01-30	1953-11-26
1954	1954-01-29	1954-12-02
1955	1955-02-11	1955-12-19
1956	1956-01-19	1956-11-09
1957	1957-02-07	1957-12-29
1958	1958-02-17	1958-11-30
1959	1959-01-26	1959-12-24
1960	1960-01-09	1960-11-20
1961	1961-03-26	1961-12-15
1962	1962-01-18	1962-11-21
1963	1963-01-14	1963-12-10
1964	1964-01-09	1964-11-19
1965	1965-04-09	1965-12-07
1966	1966-01-13	1966-12-14
1967	1967-06-14	1967-10-12
1968	1968-01-25	1968-10-07
1969	1969-02-09	1969-11-14
1970	1970-01-02	1970-09-28
1971	1971-02-05	1971-12-25
1972	1972-01-13	1972-10-17
1973	1973-01-13	1973-10-27
1974	1974-01-04	1974-10-17
1975	1975-06-21	1975-12-29
1976	1976-01-13	1976-11-12
1977	1977-01-02	1977-06-18
1978	1978-01-24	1978-12-26
1979	1979-01-21	1979-10-04
1980	1980-03-09	1980-12-17
1981	1981-02-06	1981-12-12
1982	1982-01-26	1982-05-29
1983	1983-02-23	1983-12-31
1984	1984-01-01	1984-11-02
1985	1985-03-24	1985-12-08
1986	1986-01-16	1986-12-07
1987	1987-05-03	1987-12-28
1992	1992-01-24	1992-12-25
1993	1993-01-15	1993-12-21

Every Fixed Threshold

Fixed thresholds at Hay (Illilawa)
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	99	25	1956	18
25 mm (0.98 in): Days with 25 mm or more rain	82	9	1956	3
50 mm (1.97 in): Days with 50 mm or more rain	20	3	1889	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1896	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1888.

Download the Data

Data for Hay (Illilawa) 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).

Hay (Illilawa) Threshold Days by Year (ASN00075035)

Key Facts for Hay (Illilawa) Thresholds

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

Every Fixed Threshold

Download the Data

Related