Robertstown Threshold Days by Year (ASN00024528)

4 fixed thresholds counted per year at Robertstown (ASN00024528): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Robertstown Thresholds

Robertstown: days with 10 mm (0.39 in) or more of precipitation in 115 years, most in 1974 with 21.
Robertstown: days with 25 mm (0.98 in) or more of precipitation in 74 years, most in 1974 with 7.
Robertstown: days with 50 mm (1.97 in) or more of precipitation in 12 years, most in 1946 with 2.
Robertstown: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1946 with 1.
4 fixed thresholds have at least one qualifying day at Robertstown.

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

115 years with a qualifying day

Days per year at Robertstown with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1974.

Days with 10 mm (0.39 in) or more of precipitation per year at Robertstown
Year	Days	Decade average
1899	5	5
1900	9	10
1901	5	10
1902	7	10
1903	17	10
1904	7	10
1905	11	10
1906	14	10
1913	10	10.3
1914	4	10.3
1915	11	10.3
1916	11	10.3
1917	19	10.3
1918	7	10.3
1922	8	7.7
1923	6	7.7
1924	10	7.7
1925	5	7.7
1926	11	7.7
1927	6	7.7
1928	8	7.7
1930	8	7.2
1931	8	7.2
1932	8	7.2
1933	6	7.2
1934	8	7.2
1935	2	7.2
1936	8	7.2
1937	12	7.2
1938	7	7.2
1939	5	7.2
1940	3	7.2
1941	9	7.2
1942	6	7.2
1943	9	7.2
1944	5	7.2
1945	7	7.2
1946	12	7.2
1947	10	7.2
1948	6	7.2
1949	5	7.2
1950	11	7.9
1951	11	7.9
1952	6	7.9
1953	5	7.9
1954	8	7.9
1955	13	7.9
1956	7	7.9
1957	4	7.9
1958	10	7.9
1959	4	7.9
1960	13	8.1
1961	9	8.1
1962	11	8.1
1965	5	8.1
1966	6	8.1
1968	8	8.1
1969	5	8.1
1970	6	8.7
1971	6	8.7
1972	3	8.7
1973	13	8.7
1974	21	8.7
1975	6	8.7
1976	5	8.7
1977	5	8.7
1978	10	8.7
1979	12	8.7
1980	9	7.7
1981	13	7.7
1982	1	7.7
1983	12	7.7
1984	9	7.7
1985	4	7.7
1986	5	7.7
1987	12	7.7
1988	6	7.7
1989	6	7.7
1990	8	9.6
1991	9	9.6
1992	16	9.6
1993	10	9.6
1994	4	9.6
1995	9	9.6
1996	11	9.6
1997	10	9.6
1998	11	9.6
1999	8	9.6
2000	14	9.1
2001	11	9.1
2002	4	9.1
2003	12	9.1
2004	6	9.1
2005	11	9.1
2006	8	9.1
2007	11	9.1
2008	6	9.1
2009	8	9.1
2010	12	8.7
2011	11	8.7
2012	6	8.7
2013	9	8.7
2014	11	8.7
2015	11	8.7
2016	12	8.7
2017	9	8.7
2018	4	8.7
2019	2	8.7
2020	12	8.1
2021	8	8.1
2022	11	8.1
2023	4	8.1
2024	6	8.1
2025	8	8.1
2026	8	8.1

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

First to last qualifying date each year at Robertstown
Year	First date	Last date
1899	1899-02-26	1899-09-10
1900	1900-03-01	1900-08-30
1901	1901-06-05	1901-10-12
1902	1902-03-26	1902-12-17
1903	1903-02-15	1903-12-27
1904	1904-01-03	1904-12-17
1905	1905-01-03	1905-10-30
1906	1906-02-18	1906-12-18
1913	1913-02-14	1913-10-15
1914	1914-02-28	1914-12-15
1915	1915-05-13	1915-12-05
1916	1916-01-06	1916-12-09
1917	1917-02-14	1917-12-12
1918	1918-04-25	1918-10-04
1922	1922-04-26	1922-12-10
1923	1923-03-18	1923-12-14
1924	1924-01-03	1924-12-14
1925	1925-02-07	1925-09-16
1926	1926-04-25	1926-10-12
1927	1927-05-17	1927-12-07
1928	1928-02-01	1928-10-14
1930	1930-04-24	1930-12-04
1931	1931-04-01	1931-09-11
1932	1932-02-05	1932-09-29
1933	1933-01-22	1933-11-29
1934	1934-04-13	1934-11-08
1935	1935-08-03	1935-10-19
1936	1936-01-07	1936-12-16
1937	1937-01-19	1937-12-02
1938	1938-02-19	1938-10-23
1939	1939-02-25	1939-11-03
1940	1940-01-25	1940-04-24
1941	1941-01-24	1941-11-19
1942	1942-05-03	1942-10-29
1943	1943-01-22	1943-12-17
1944	1944-04-09	1944-12-21
1945	1945-06-20	1945-12-27
1946	1946-01-17	1946-12-26
1947	1947-02-05	1947-10-01
1948	1948-08-24	1948-12-25
1949	1949-02-19	1949-10-09
1950	1950-02-02	1950-07-27
1951	1951-05-13	1951-10-25
1952	1952-01-25	1952-11-27
1953	1953-05-19	1953-10-21
1954	1954-01-28	1954-12-23
1955	1955-02-09	1955-11-10
1956	1956-03-30	1956-09-26
1957	1957-06-20	1957-12-28
1958	1958-01-31	1958-11-23
1959	1959-01-24	1959-10-28
1960	1960-02-13	1960-11-12
1961	1961-02-08	1961-11-15
1962	1962-01-16	1962-12-29
1965	1965-05-08	1965-12-23
1966	1966-02-13	1966-12-02
1968	1968-01-20	1968-10-01
1969	1969-02-09	1969-09-14
1970	1970-08-02	1970-11-15
1971	1971-02-21	1971-08-29
1972	1972-01-11	1972-08-11
1973	1973-02-05	1973-12-30
1974	1974-01-13	1974-10-16
1975	1975-09-16	1975-10-24
1976	1976-02-09	1976-10-13
1977	1977-02-22	1977-11-28
1978	1978-01-24	1978-11-19
1979	1979-01-17	1979-12-31
1980	1980-01-01	1980-10-06
1981	1981-01-10	1981-11-09
1982	1982-04-26	1982-04-26
1983	1983-03-03	1983-12-10
1984	1984-01-14	1984-10-29
1985	1985-03-16	1985-09-10
1986	1986-07-01	1986-11-17
1987	1987-01-25	1987-10-05
1988	1988-03-28	1988-11-04
1989	1989-03-14	1989-09-11
1990	1990-01-10	1990-10-31
1991	1991-04-25	1991-11-06
1992	1992-03-01	1992-12-18
1993	1993-01-24	1993-12-22
1994	1994-06-06	1994-09-04
1995	1995-01-14	1995-10-22
1996	1996-01-01	1996-09-30
1997	1997-02-07	1997-12-18
1998	1998-02-07	1998-12-14
1999	1999-01-08	1999-11-21
2000	2000-02-21	2000-12-22
2001	2001-01-26	2001-11-23
2002	2002-01-22	2002-11-26
2003	2003-02-20	2003-12-20
2004	2004-06-26	2004-12-09
2005	2005-01-28	2005-12-02
2006	2006-02-24	2006-11-12
2007	2007-01-19	2007-12-22
2008	2008-05-17	2008-12-18
2009	2009-04-24	2009-12-08
2010	2010-03-08	2010-12-08
2011	2011-02-04	2011-12-18
2012	2012-03-01	2012-12-01
2013	2013-02-28	2013-12-04
2014	2014-02-14	2014-08-01
2015	2015-01-08	2015-11-05
2016	2016-01-22	2016-12-28
2017	2017-02-06	2017-12-08
2018	2018-06-15	2018-11-22
2019	2019-06-12	2019-08-09
2020	2020-01-06	2020-10-24
2021	2021-03-11	2021-11-24
2022	2022-05-30	2022-11-19
2023	2023-05-26	2023-12-10
2024	2024-01-07	2024-11-30
2025	2025-05-27	2025-10-22
2026	2026-03-01	2026-08-25

Every Fixed Threshold

Fixed thresholds at Robertstown
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	115	21	1974	8
25 mm (0.98 in): Days with 25 mm or more rain	74	7	1974	1
50 mm (1.97 in): Days with 50 mm or more rain	12	2	1946	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1946	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.

Download the Data

Data for Robertstown 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Robertstown Threshold Days by Year (ASN00024528)

Key Facts for Robertstown Thresholds

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

Every Fixed Threshold

Download the Data

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