Howatharra Threshold Days by Year (ASN00008168)

4 fixed thresholds counted per year at Howatharra (ASN00008168): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Howatharra Thresholds

Howatharra: days with 10 mm (0.39 in) or more of precipitation in 90 years, most in 1963 with 35.
Howatharra: days with 25 mm (0.98 in) or more of precipitation in 86 years, most in 1963 with 9.
Howatharra: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1999 with 3.
Howatharra: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1934 with 1.
4 fixed thresholds have at least one qualifying day at Howatharra.

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

90 years with a qualifying day

Days per year at Howatharra with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1963.

Days with 10 mm (0.39 in) or more of precipitation per year at Howatharra
Year	Days	Decade average
1912	11	11
1929	17	17
1930	17	15.5
1931	19	15.5
1932	13	15.5
1933	17	15.5
1934	21	15.5
1935	12	15.5
1936	11	15.5
1937	12	15.5
1938	12	15.5
1939	21	15.5
1940	9	9.7
1941	12	9.7
1942	11	9.7
1943	9	9.7
1944	10	9.7
1945	14	9.7
1946	11	9.7
1947	6	9.7
1948	5	9.7
1949	10	9.7
1952	9	15.4
1953	15	15.4
1954	11	15.4
1955	21	15.4
1956	13	15.4
1957	15	15.4
1958	23	15.4
1959	16	15.4
1960	17	19.4
1961	18	19.4
1962	21	19.4
1963	35	19.4
1964	26	19.4
1965	20	19.4
1966	14	19.4
1967	14	19.4
1968	20	19.4
1969	9	19.4
1970	16	13.5
1971	10	13.5
1972	7	13.5
1973	18	13.5
1974	23	13.5
1975	16	13.5
1976	8	13.5
1977	11	13.5
1978	17	13.5
1979	9	13.5
1980	14	17.2
1981	18	17.2
1982	17	17.2
1983	16	17.2
1984	22	17.2
1985	9	17.2
1986	23	17.2
1987	19	17.2
1988	16	17.2
1989	18	17.2
1990	13	15.5
1991	15	15.5
1992	15	15.5
1993	14	15.5
1994	13	15.5
1995	14	15.5
1996	21	15.5
1997	18	15.5
1998	14	15.5
1999	18	15.5
2000	11	12
2001	13	12
2002	10	12
2003	18	12
2004	12	12
2005	13	12
2006	7	12
2014	15	13.7
2015	15	13.7
2016	19	13.7
2017	11	13.7
2018	11	13.7
2019	11	13.7
2020	9	14.1
2021	16	14.1
2022	16	14.1
2023	10	14.1
2024	19	14.1
2025	18	14.1
2026	11	14.1

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

First to last qualifying date each year at Howatharra
Year	First date	Last date
1912	1912-05-16	1912-10-26
1929	1929-05-03	1929-11-14
1930	1930-04-15	1930-09-07
1931	1931-05-03	1931-12-28
1932	1932-01-28	1932-10-22
1933	1933-04-10	1933-10-06
1934	1934-03-08	1934-09-24
1935	1935-03-14	1935-08-29
1936	1936-04-20	1936-08-01
1937	1937-04-18	1937-09-16
1938	1938-03-07	1938-11-02
1939	1939-02-13	1939-11-10
1940	1940-05-14	1940-10-12
1941	1941-04-28	1941-08-19
1942	1942-04-15	1942-09-23
1943	1943-04-25	1943-09-18
1944	1944-03-14	1944-08-23
1945	1945-05-15	1945-08-08
1946	1946-06-06	1946-08-12
1947	1947-06-25	1947-08-06
1948	1948-04-29	1948-07-30
1949	1949-06-16	1949-08-09
1952	1952-05-01	1952-07-28
1953	1953-03-23	1953-10-02
1954	1954-04-22	1954-09-09
1955	1955-02-15	1955-12-05
1956	1956-03-04	1956-07-29
1957	1957-05-15	1957-08-23
1958	1958-01-22	1958-09-22
1959	1959-05-28	1959-10-23
1960	1960-03-27	1960-09-11
1961	1961-01-26	1961-08-30
1962	1962-01-30	1962-10-01
1963	1963-02-16	1963-09-18
1964	1964-06-06	1964-10-09
1965	1965-05-01	1965-11-24
1966	1966-04-04	1966-10-10
1967	1967-04-22	1967-10-04
1968	1968-01-27	1968-11-04
1969	1969-05-18	1969-11-03
1970	1970-02-17	1970-09-25
1971	1971-03-28	1971-10-21
1972	1972-05-31	1972-08-20
1973	1973-05-11	1973-11-23
1974	1974-04-14	1974-10-07
1975	1975-03-20	1975-10-05
1976	1976-02-27	1976-08-15
1977	1977-04-28	1977-12-25
1978	1978-05-20	1978-10-02
1979	1979-03-14	1979-08-19
1980	1980-05-06	1980-10-22
1981	1981-05-23	1981-10-02
1982	1982-01-21	1982-09-21
1983	1983-05-03	1983-11-16
1984	1984-02-21	1984-11-09
1985	1985-03-08	1985-09-22
1986	1986-02-21	1986-10-05
1987	1987-03-30	1987-11-01
1988	1988-01-24	1988-08-26
1989	1989-02-25	1989-10-19
1990	1990-01-28	1990-10-22
1991	1991-02-25	1991-12-24
1992	1992-03-17	1992-11-14
1993	1993-03-06	1993-11-13
1994	1994-05-23	1994-10-14
1995	1995-04-28	1995-09-04
1996	1996-04-02	1996-11-06
1997	1997-04-04	1997-10-21
1998	1998-04-26	1998-09-02
1999	1999-02-24	1999-09-21
2000	2000-03-10	2000-09-06
2001	2001-05-06	2001-09-30
2002	2002-06-13	2002-10-05
2003	2003-04-11	2003-11-17
2004	2004-05-10	2004-09-24
2005	2005-04-01	2005-09-20
2006	2006-02-27	2006-08-22
2014	2014-04-25	2014-09-22
2015	2015-03-02	2015-12-23
2016	2016-01-18	2016-08-28
2017	2017-01-30	2017-11-18
2018	2018-01-15	2018-12-16
2019	2019-01-05	2019-08-30
2020	2020-02-23	2020-11-10
2021	2021-02-06	2021-10-20
2022	2022-03-28	2022-09-13
2023	2023-03-30	2023-09-14
2024	2024-02-25	2024-11-21
2025	2025-05-30	2025-11-02
2026	2026-02-10	2026-07-18

Every Fixed Threshold

Fixed thresholds at Howatharra
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	90	35	1963	11
25 mm (0.98 in): Days with 25 mm or more rain	86	9	1963	7
50 mm (1.97 in): Days with 50 mm or more rain	33	3	1999	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1934	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.

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Data for Howatharra 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).

Howatharra Threshold Days by Year (ASN00008168)

Key Facts for Howatharra Thresholds

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

Every Fixed Threshold

Download the Data

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