Wymah (Gwandallen) Threshold Days by Year

4 fixed thresholds counted per year at Wymah (Gwandallen) (ASN00072050): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wymah (Gwandallen) Thresholds

Wymah (Gwandallen): days with 10 mm (0.39 in) or more of precipitation in 99 years, most in 1973 with 46.
Wymah (Gwandallen): days with 25 mm (0.98 in) or more of precipitation in 96 years, most in 2011 with 14.
Wymah (Gwandallen): days with 50 mm (1.97 in) or more of precipitation in 32 years, most in 2017 with 4.
Wymah (Gwandallen): days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 2017 with 1.
4 fixed thresholds have at least one qualifying day at Wymah (Gwandallen).

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

99 years with a qualifying day

Days per year at Wymah (Gwandallen) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 1973.

Days with 10 mm (0.39 in) or more of precipitation per year at Wymah (Gwandallen)
Year	Days	Decade average
1912	23	23.8
1913	21	23.8
1914	11	23.8
1915	27	23.8
1916	33	23.8
1917	35	23.8
1918	24	23.8
1919	16	23.8
1920	25	22.4
1921	32	22.4
1922	16	22.4
1923	25	22.4
1925	20	22.4
1927	17	22.4
1928	27	22.4
1929	17	22.4
1930	21	24.8
1931	29	24.8
1932	23	24.8
1933	22	24.8
1934	35	24.8
1935	33	24.8
1936	23	24.8
1937	15	24.8
1938	14	24.8
1939	33	24.8
1940	10	22.2
1941	18	22.2
1942	31	22.2
1943	18	22.2
1944	11	22.2
1945	20	22.2
1946	28	22.2
1947	36	22.2
1948	23	22.2
1949	27	22.2
1950	36	32.2
1951	35	32.2
1952	44	32.2
1953	29	32.2
1954	29	32.2
1955	32	32.2
1956	42	32.2
1957	21	32.2
1958	35	32.2
1959	19	32.2
1960	39	26.1
1961	20	26.1
1962	25	26.1
1963	30	26.1
1964	37	26.1
1965	8	26.1
1966	31	26.1
1967	13	26.1
1968	28	26.1
1969	30	26.1
1970	32	28.5
1971	21	28.5
1972	19	28.5
1973	46	28.5
1974	46	28.5
1975	30	28.5
1976	19	28.5
1977	18	28.5
1978	34	28.5
1979	20	28.5
1980	25	27.6
1981	34	27.6
1982	12	27.6
1983	37	27.6
1984	31	27.6
1985	29	27.6
1986	32	27.6
1987	17	27.6
1988	30	27.6
1989	29	27.6
1990	32	29.1
1991	28	29.1
1992	36	29.1
1995	34	29.1
1996	34	29.1
1997	20	29.1
1998	20	29.1
1999	29	29.1
2000	26	17.6
2001	17	17.6
2002	11	17.6
2005	27	17.6
2006	6	17.6
2007	20	17.6
2008	16	17.6
2009	18	17.6
2011	31	22
2013	21	22
2014	22	22
2017	20	22
2019	16	22
2021	36	37
2022	38	37

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

First to last qualifying date each year at Wymah (Gwandallen)
Year	First date	Last date
1912	1912-02-24	1912-12-27
1913	1913-01-03	1913-12-31
1914	1914-01-27	1914-12-21
1915	1915-04-19	1915-12-15
1916	1916-01-29	1916-12-09
1917	1917-01-02	1917-12-08
1918	1918-01-10	1918-12-24
1919	1919-02-17	1919-12-28
1920	1920-01-17	1920-12-24
1921	1921-01-03	1921-12-27
1922	1922-01-09	1922-12-31
1923	1923-03-19	1923-12-27
1925	1925-01-13	1925-11-20
1927	1927-01-06	1927-10-19
1928	1928-01-20	1928-12-23
1929	1929-02-15	1929-12-28
1930	1930-04-24	1930-12-24
1931	1931-02-14	1931-12-03
1932	1932-02-06	1932-12-02
1933	1933-01-23	1933-12-15
1934	1934-01-07	1934-12-01
1935	1935-01-06	1935-12-03
1936	1936-01-04	1936-10-29
1937	1937-01-19	1937-12-11
1938	1938-01-03	1938-10-31
1939	1939-02-08	1939-11-21
1940	1940-02-17	1940-12-29
1941	1941-01-02	1941-11-19
1942	1942-01-20	1942-12-11
1943	1943-01-03	1943-11-19
1944	1944-03-05	1944-12-13
1945	1945-01-11	1945-12-18
1946	1946-01-05	1946-12-29
1947	1947-02-10	1947-12-25
1948	1948-01-01	1948-12-30
1949	1949-02-21	1949-12-20
1950	1950-01-19	1950-12-22
1951	1951-01-08	1951-12-10
1952	1952-03-20	1952-12-12
1953	1953-01-06	1953-12-08
1954	1954-01-29	1954-12-12
1955	1955-01-29	1955-12-26
1956	1956-01-03	1956-12-14
1957	1957-03-14	1957-12-31
1958	1958-01-30	1958-12-17
1959	1959-02-07	1959-11-04
1960	1960-01-05	1960-12-28
1961	1961-01-02	1961-12-18
1962	1962-01-17	1962-12-17
1963	1963-01-02	1963-12-11
1964	1964-01-08	1964-12-23
1965	1965-04-17	1965-10-25
1966	1966-02-14	1966-12-15
1967	1967-01-29	1967-10-11
1968	1968-01-20	1968-12-26
1969	1969-02-11	1969-12-20
1970	1970-01-02	1970-12-05
1971	1971-01-19	1971-12-27
1972	1972-01-18	1972-11-25
1973	1973-01-13	1973-12-31
1974	1974-01-04	1974-12-10
1975	1975-01-26	1975-12-30
1976	1976-01-06	1976-12-24
1977	1977-01-15	1977-11-30
1978	1978-03-22	1978-12-27
1979	1979-03-15	1979-10-23
1980	1980-01-13	1980-12-17
1981	1981-01-29	1981-12-13
1982	1982-01-13	1982-12-09
1983	1983-02-12	1983-12-07
1984	1984-01-01	1984-12-12
1985	1985-03-18	1985-12-07
1986	1986-01-16	1986-12-17
1987	1987-02-21	1987-12-02
1988	1988-01-02	1988-12-26
1989	1989-01-05	1989-12-14
1990	1990-02-10	1990-10-22
1991	1991-01-06	1991-12-31
1992	1992-01-01	1992-12-26
1995	1995-01-17	1995-12-06
1996	1996-01-01	1996-12-26
1997	1997-01-07	1997-12-09
1998	1998-01-26	1998-12-15
1999	1999-01-17	1999-12-29
2000	2000-02-12	2000-12-23
2001	2001-01-25	2001-12-24
2002	2002-01-22	2002-09-17
2005	2005-01-20	2005-12-03
2006	2006-03-16	2006-11-13
2007	2007-03-24	2007-12-22
2008	2008-01-19	2008-12-18
2009	2009-01-22	2009-12-25
2011	2011-01-10	2011-12-26
2013	2013-01-28	2013-12-24
2014	2014-01-25	2014-11-25
2017	2017-01-20	2017-12-30
2019	2019-02-04	2019-12-02
2021	2021-01-03	2021-12-20
2022	2022-01-02	2022-12-31

Every Fixed Threshold

Fixed thresholds at Wymah (Gwandallen)
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	46	1973	38
25 mm (0.98 in): Days with 25 mm or more rain	96	14	2011	10
50 mm (1.97 in): Days with 50 mm or more rain	32	4	2017	4
100 mm (3.94 in): Days with 100 mm or more rain	1	1	2017	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 Wymah (Gwandallen) 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Wymah (Gwandallen) Threshold Days by Year

Key Facts for Wymah (Gwandallen) Thresholds

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

Every Fixed Threshold

Download the Data

Related