Bolgart Threshold Days by Year (ASN00010009)

4 fixed thresholds counted per year at Bolgart (ASN00010009): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bolgart Thresholds

Bolgart: days with 10 mm (0.39 in) or more of precipitation in 99 years, most in 1963 with 28.
Bolgart: days with 25 mm (0.98 in) or more of precipitation in 89 years, most in 1917 with 9.
Bolgart: days with 50 mm (1.97 in) or more of precipitation in 19 years, most in 1934 with 2.
Bolgart: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1934 with 1.
4 fixed thresholds have at least one qualifying day at Bolgart.

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

99 years with a qualifying day

Days per year at Bolgart with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 28 in 1963.

Days with 10 mm (0.39 in) or more of precipitation per year at Bolgart
Year	Days	Decade average
1913	15	16.2
1914	8	16.2
1915	20	16.2
1916	14	16.2
1917	23	16.2
1918	17	16.2
1920	17	13.5
1921	14	13.5
1922	8	13.5
1923	15	13.5
1924	10	13.5
1925	16	13.5
1926	20	13.5
1927	11	13.5
1928	10	13.5
1929	14	13.5
1930	12	13.9
1931	17	13.9
1932	19	13.9
1933	13	13.9
1934	16	13.9
1935	15	13.9
1936	13	13.9
1937	9	13.9
1938	8	13.9
1939	17	13.9
1940	9	14.5
1941	12	14.5
1942	15	14.5
1943	19	14.5
1944	13	14.5
1945	20	14.5
1946	21	14.5
1947	12	14.5
1948	15	14.5
1949	9	14.5
1950	11	14.9
1951	13	14.9
1952	12	14.9
1953	16	14.9
1954	9	14.9
1955	26	14.9
1956	16	14.9
1957	13	14.9
1958	20	14.9
1959	13	14.9
1960	16	16
1961	16	16
1962	16	16
1963	28	16
1964	16	16
1965	17	16
1966	14	16
1967	9	16
1968	24	16
1969	4	16
1970	14	14
1983	18	13.3
1984	11	13.3
1986	10	13.3
1987	16	13.3
1988	12	13.3
1989	13	13.3
1990	14	13.1
1991	15	13.1
1992	13	13.1
1993	8	13.1
1994	12	13.1
1995	19	13.1
1996	12	13.1
1997	8	13.1
1998	10	13.1
1999	20	13.1
2000	13	11
2001	9	11
2002	6	11
2003	14	11
2004	12	11
2005	11	11
2006	8	11
2007	13	11
2008	11	11
2009	13	11
2010	8	11.3
2011	15	11.3
2012	5	11.3
2013	12	11.3
2015	12	11.3
2016	16	11.3
2017	11	11.3
2018	11	11.3
2019	12	11.3
2020	11	12.3
2021	17	12.3
2022	19	12.3
2023	8	12.3
2024	12	12.3
2025	8	12.3
2026	11	12.3

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

First to last qualifying date each year at Bolgart
Year	First date	Last date
1913	1913-06-10	1913-12-20
1914	1914-02-18	1914-11-23
1915	1915-01-15	1915-10-10
1916	1916-01-21	1916-11-17
1917	1917-03-19	1917-10-01
1918	1918-02-15	1918-10-17
1920	1920-03-12	1920-09-12
1921	1921-02-12	1921-12-14
1922	1922-02-23	1922-12-15
1923	1923-04-23	1923-12-17
1924	1924-02-11	1924-08-22
1925	1925-01-23	1925-12-31
1926	1926-02-04	1926-11-25
1927	1927-03-19	1927-10-06
1928	1928-01-28	1928-10-22
1929	1929-02-15	1929-10-29
1930	1930-04-15	1930-12-12
1931	1931-05-04	1931-12-28
1932	1932-03-28	1932-10-22
1933	1933-05-11	1933-10-06
1934	1934-03-07	1934-09-11
1935	1935-01-07	1935-09-10
1936	1936-03-03	1936-12-24
1937	1937-04-19	1937-08-30
1938	1938-03-15	1938-09-02
1939	1939-02-13	1939-08-26
1940	1940-01-23	1940-12-03
1941	1941-04-27	1941-12-13
1942	1942-03-13	1942-12-21
1943	1943-01-31	1943-10-11
1944	1944-01-19	1944-12-07
1945	1945-03-26	1945-11-12
1946	1946-05-07	1946-11-12
1947	1947-03-06	1947-10-25
1948	1948-04-30	1948-11-15
1949	1949-01-22	1949-10-14
1950	1950-05-09	1950-09-29
1951	1951-04-06	1951-12-03
1952	1952-05-05	1952-12-18
1953	1953-02-02	1953-08-31
1954	1954-05-24	1954-11-12
1955	1955-01-12	1955-12-28
1956	1956-03-05	1956-10-13
1957	1957-05-23	1957-09-05
1958	1958-03-03	1958-11-26
1959	1959-06-01	1959-12-31
1960	1960-03-24	1960-09-12
1961	1961-01-26	1961-08-31
1962	1962-05-14	1962-12-21
1963	1963-02-20	1963-09-18
1964	1964-02-24	1964-12-20
1965	1965-03-16	1965-12-27
1966	1966-02-14	1966-10-23
1967	1967-04-22	1967-08-09
1968	1968-01-27	1968-09-23
1969	1969-06-16	1969-07-28
1970	1970-02-16	1970-12-29
1983	1983-03-31	1983-11-17
1984	1984-03-06	1984-09-13
1986	1986-02-21	1986-09-15
1987	1987-04-25	1987-11-30
1988	1988-03-24	1988-11-07
1989	1989-01-12	1989-10-02
1990	1990-01-28	1990-10-13
1991	1991-04-10	1991-12-25
1992	1992-02-08	1992-11-20
1993	1993-05-19	1993-11-14
1994	1994-02-25	1994-10-14
1995	1995-01-13	1995-10-18
1996	1996-06-16	1996-11-07
1997	1997-02-23	1997-09-06
1998	1998-04-16	1998-09-22
1999	1999-03-19	1999-12-30
2000	2000-01-07	2000-09-06
2001	2001-05-06	2001-11-19
2002	2002-02-01	2002-10-06
2003	2003-02-16	2003-11-17
2004	2004-02-19	2004-08-12
2005	2005-05-01	2005-08-18
2006	2006-01-03	2006-09-08
2007	2007-01-03	2007-12-17
2008	2008-02-08	2008-10-25
2009	2009-03-02	2009-11-19
2010	2010-03-23	2010-08-13
2011	2011-01-06	2011-10-27
2012	2012-02-03	2012-09-04
2013	2013-01-14	2013-09-15
2015	2015-02-02	2015-10-10
2016	2016-01-20	2016-08-27
2017	2017-01-30	2017-09-29
2018	2018-01-16	2018-10-13
2019	2019-04-03	2019-08-30
2020	2020-02-27	2020-11-14
2021	2021-02-08	2021-11-09
2022	2022-02-15	2022-11-08
2023	2023-03-26	2023-11-12
2024	2024-03-03	2024-10-03
2025	2025-03-14	2025-09-06
2026	2026-02-10	2026-09-27

Every Fixed Threshold

Fixed thresholds at Bolgart
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	28	1963	11
25 mm (0.98 in): Days with 25 mm or more rain	89	9	1917	2
50 mm (1.97 in): Days with 50 mm or more rain	19	2	1934	1
100 mm (3.94 in): Days with 100 mm or more rain	4	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 1913.

Download the Data

Data for Bolgart 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).

Bolgart Threshold Days by Year (ASN00010009)

Key Facts for Bolgart Thresholds

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

Every Fixed Threshold

Download the Data

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