Elandshoek, Boston Threshold Days by Year

4 fixed thresholds counted per year at Elandshoek, Boston (SF002390970): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Elandshoek, Boston Thresholds

Elandshoek, Boston: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1943 with 49.
Elandshoek, Boston: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1976 with 20.
Elandshoek, Boston: days with 50 mm (1.97 in) or more of precipitation in 47 years, most in 1907 with 5.
Elandshoek, Boston: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1907 with 1.
4 fixed thresholds have at least one qualifying day at Elandshoek, Boston.

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

70 years with a qualifying day

Days per year at Elandshoek, Boston with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 49 in 1943.

Days with 10 mm (0.39 in) or more of precipitation per year at Elandshoek, Boston
Year	Days	Decade average
1906	30	32.3
1907	45	32.3
1908	26	32.3
1909	28	32.3
1910	37	31.7
1911	27	31.7
1912	30	31.7
1913	29	31.7
1914	30	31.7
1915	24	31.7
1916	24	31.7
1917	48	31.7
1918	41	31.7
1919	27	31.7
1920	41	30.7
1921	26	30.7
1922	31	30.7
1923	22	30.7
1924	39	30.7
1925	39	30.7
1926	21	30.7
1927	31	30.7
1928	20	30.7
1929	37	30.7
1931	19	30.8
1932	34	30.8
1933	24	30.8
1934	37	30.8
1935	22	30.8
1936	35	30.8
1937	25	30.8
1938	38	30.8
1939	43	30.8
1940	33	30.8
1941	22	30.8
1942	38	30.8
1943	49	30.8
1944	18	30.8
1945	22	30.8
1946	27	30.8
1947	41	30.8
1948	27	30.8
1949	31	30.8
1950	32	30.2
1951	26	30.2
1952	24	30.2
1953	26	30.2
1954	29	30.2
1955	34	30.2
1956	32	30.2
1957	40	30.2
1958	32	30.2
1959	27	30.2
1960	34	27.7
1961	29	27.7
1962	20	27.7
1975	33	35
1976	39	35
1977	33	35
1978	39	35
1979	31	35
1980	26	31.9
1981	34	31.9
1982	29	31.9
1983	28	31.9
1984	25	31.9
1985	35	31.9
1986	31	31.9
1987	38	31.9
1988	41	31.9

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

First to last qualifying date each year at Elandshoek, Boston
Year	First date	Last date
1906	1906-01-07	1906-12-25
1907	1907-01-01	1907-12-27
1908	1908-01-01	1908-12-22
1909	1909-01-11	1909-12-25
1910	1910-01-10	1910-12-30
1911	1911-01-10	1911-12-28
1912	1912-01-05	1912-12-30
1913	1913-01-07	1913-11-07
1914	1914-01-20	1914-12-25
1915	1915-01-14	1915-12-25
1916	1916-01-06	1916-12-28
1917	1917-01-03	1917-12-30
1918	1918-01-03	1918-12-28
1919	1919-01-07	1919-12-26
1920	1920-01-01	1920-12-28
1921	1921-01-09	1921-12-28
1922	1922-01-03	1922-12-31
1923	1923-01-01	1923-12-17
1924	1924-01-05	1924-12-29
1925	1925-01-03	1925-12-27
1926	1926-01-04	1926-12-28
1927	1927-01-03	1927-12-28
1928	1928-01-05	1928-12-27
1929	1929-01-11	1929-12-31
1931	1931-01-16	1931-12-31
1932	1932-01-19	1932-12-27
1933	1933-01-18	1933-12-30
1934	1934-01-01	1934-12-26
1935	1935-01-14	1935-12-31
1936	1936-01-10	1936-12-27
1937	1937-01-16	1937-12-23
1938	1938-01-05	1938-12-28
1939	1939-01-11	1939-12-29
1940	1940-01-07	1940-12-30
1941	1941-01-02	1941-12-18
1942	1942-01-01	1942-12-31
1943	1943-01-08	1943-12-31
1944	1944-01-01	1944-12-29
1945	1945-01-06	1945-12-30
1946	1946-01-09	1946-12-30
1947	1947-01-02	1947-12-27
1948	1948-01-22	1948-12-16
1949	1949-01-12	1949-12-31
1950	1950-01-08	1950-12-30
1951	1951-01-02	1951-12-24
1952	1952-01-02	1952-12-13
1953	1953-01-03	1953-12-29
1954	1954-01-09	1954-12-29
1955	1955-01-04	1955-12-27
1956	1956-02-03	1956-12-25
1957	1957-01-04	1957-12-31
1958	1958-01-03	1958-12-28
1959	1959-01-01	1959-12-24
1960	1960-01-17	1960-12-29
1961	1961-01-16	1961-12-25
1962	1962-01-05	1962-11-23
1975	1975-01-02	1975-12-31
1976	1976-01-04	1976-12-31
1977	1977-01-07	1977-12-30
1978	1978-01-10	1978-12-28
1979	1979-01-02	1979-12-26
1980	1980-01-06	1980-12-28
1981	1981-01-02	1981-12-30
1982	1982-01-03	1982-12-30
1983	1983-01-10	1983-12-31
1984	1984-01-11	1984-12-23
1985	1985-01-04	1985-12-27
1986	1986-01-03	1986-12-25
1987	1987-01-07	1987-12-19
1988	1988-01-18	1988-12-26

Every Fixed Threshold

Fixed thresholds at Elandshoek, Boston
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	70	49	1943	41
25 mm (0.98 in): Days with 25 mm or more rain	70	20	1976	16
50 mm (1.97 in): Days with 50 mm or more rain	47	5	1907	1
100 mm (3.94 in): Days with 100 mm or more rain	4	1	1907	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.

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Data for Elandshoek, Boston 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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

Elandshoek, Boston Threshold Days by Year

Key Facts for Elandshoek, Boston Thresholds

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

Every Fixed Threshold

Download the Data

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