Harrismith (Tnk) Threshold Days by Year (SF003332260)

4 fixed thresholds counted per year at Harrismith (Tnk) (SF003332260): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Harrismith (Tnk) Thresholds

Harrismith (Tnk): days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 1957 with 35.
Harrismith (Tnk): days with 25 mm (0.98 in) or more of precipitation in 75 years, most in 1957 with 12.
Harrismith (Tnk): days with 50 mm (1.97 in) or more of precipitation in 32 years, most in 1918 with 3.
Harrismith (Tnk): days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1976 with 1.
4 fixed thresholds have at least one qualifying day at Harrismith (Tnk).

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

76 years with a qualifying day

Days per year at Harrismith (Tnk) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 35 in 1957.

Days with 10 mm (0.39 in) or more of precipitation per year at Harrismith (Tnk)
Year	Days	Decade average
1882	21	22.3
1883	21	22.3
1885	23	22.3
1886	20	22.3
1887	25	22.3
1888	24	22.3
1890	22	20.5
1891	19	20.5
1916	14	19.8
1917	27	19.8
1918	28	19.8
1919	10	19.8
1920	15	20.1
1921	22	20.1
1922	25	20.1
1923	18	20.1
1924	16	20.1
1925	25	20.1
1926	15	20.1
1927	19	20.1
1928	20	20.1
1929	26	20.1
1930	15	19.8
1931	15	19.8
1932	20	19.8
1933	17	19.8
1934	30	19.8
1935	15	19.8
1936	22	19.8
1937	19	19.8
1938	18	19.8
1939	27	19.8
1940	20	20.6
1941	22	20.6
1942	26	20.6
1943	30	20.6
1944	18	20.6
1945	10	20.6
1946	18	20.6
1957	35	29.3
1958	24	29.3
1959	29	29.3
1960	22	19.7
1961	23	19.7
1962	16	19.7
1963	23	19.7
1964	26	19.7
1965	17	19.7
1966	15	19.7
1967	21	19.7
1968	11	19.7
1969	23	19.7
1970	19	23.6
1971	25	23.6
1972	20	23.6
1973	25	23.6
1974	23	23.6
1975	33	23.6
1976	28	23.6
1977	21	23.6
1978	26	23.6
1979	16	23.6
1980	21	21.6
1981	24	21.6
1982	19	21.6
1983	22	21.6
1984	21	21.6
1985	20	21.6
1986	26	21.6
1987	24	21.6
1988	20	21.6
1989	19	21.6
1990	15	19.3
1992	16	19.3
1993	28	19.3
1994	18	19.3

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

First to last qualifying date each year at Harrismith (Tnk)
Year	First date	Last date
1882	1882-01-02	1882-12-30
1883	1883-01-09	1883-12-28
1885	1885-01-13	1885-12-31
1886	1886-01-01	1886-12-17
1887	1887-02-05	1887-12-28
1888	1888-01-05	1888-12-01
1890	1890-01-08	1890-12-28
1891	1891-02-03	1891-12-31
1916	1916-02-25	1916-12-22
1917	1917-01-17	1917-12-30
1918	1918-01-04	1918-12-30
1919	1919-01-19	1919-12-04
1920	1920-01-06	1920-12-31
1921	1921-01-08	1921-12-28
1922	1922-01-11	1922-12-31
1923	1923-01-08	1923-12-19
1924	1924-02-07	1924-12-25
1925	1925-01-05	1925-12-29
1926	1926-02-01	1926-12-21
1927	1927-01-04	1927-12-03
1928	1928-01-06	1928-12-26
1929	1929-01-18	1929-12-30
1930	1930-01-05	1930-12-29
1931	1931-01-01	1931-12-26
1932	1932-01-25	1932-12-30
1933	1933-01-09	1933-12-26
1934	1934-01-01	1934-12-23
1935	1935-01-14	1935-11-07
1936	1936-01-10	1936-12-28
1937	1937-01-05	1937-12-25
1938	1938-01-16	1938-12-16
1939	1939-01-06	1939-12-27
1940	1940-01-03	1940-12-27
1941	1941-01-01	1941-12-18
1942	1942-01-02	1942-12-15
1943	1943-01-03	1943-12-31
1944	1944-01-14	1944-12-17
1945	1945-01-31	1945-11-26
1946	1946-01-07	1946-12-23
1957	1957-01-01	1957-12-16
1958	1958-01-05	1958-12-16
1959	1959-01-06	1959-12-31
1960	1960-01-19	1960-12-29
1961	1961-01-19	1961-12-29
1962	1962-01-05	1962-12-17
1963	1963-01-05	1963-12-29
1964	1964-01-02	1964-12-27
1965	1965-01-02	1965-12-28
1966	1966-01-10	1966-12-28
1967	1967-01-01	1967-12-20
1968	1968-01-08	1968-12-07
1969	1969-01-15	1969-12-23
1970	1970-01-22	1970-12-28
1971	1971-01-05	1971-12-23
1972	1972-01-03	1972-12-11
1973	1973-01-10	1973-12-25
1974	1974-01-01	1974-12-26
1975	1975-01-17	1975-12-18
1976	1976-01-04	1976-12-30
1977	1977-01-10	1977-12-30
1978	1978-01-02	1978-12-30
1979	1979-01-01	1979-11-23
1980	1980-01-19	1980-12-22
1981	1981-01-01	1981-11-25
1982	1982-01-02	1982-11-28
1983	1983-01-05	1983-12-30
1984	1984-01-01	1984-12-23
1985	1985-01-15	1985-12-26
1986	1986-01-02	1986-12-28
1987	1987-01-04	1987-12-21
1988	1988-01-18	1988-12-25
1989	1989-01-05	1989-12-09
1990	1990-01-07	1990-12-24
1992	1992-01-02	1992-12-21
1993	1993-01-22	1993-12-28
1994	1994-01-10	1994-12-26

Every Fixed Threshold

Fixed thresholds at Harrismith (Tnk)
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	76	35	1957	18
25 mm (0.98 in): Days with 25 mm or more rain	75	12	1957	4
50 mm (1.97 in): Days with 50 mm or more rain	32	3	1918	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1976	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1882.

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Data for Harrismith (Tnk) 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).

Harrismith (Tnk) Threshold Days by Year (SF003332260)

Key Facts for Harrismith (Tnk) Thresholds

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

Every Fixed Threshold

Download the Data

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