Blackville (Welton Dale) Threshold Days by Year (ASN00055061)

4 fixed thresholds counted per year at Blackville (Welton Dale) (ASN00055061): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Blackville (Welton Dale) Thresholds

Blackville (Welton Dale): days with 10 mm (0.39 in) or more of precipitation in 79 years, most in 1887 with 43.
Blackville (Welton Dale): days with 25 mm (0.98 in) or more of precipitation in 77 years, most in 1887 with 19.
Blackville (Welton Dale): days with 50 mm (1.97 in) or more of precipitation in 61 years, most in 1887 with 7.
Blackville (Welton Dale): days with 100 mm (3.94 in) or more of precipitation in 7 years, most in 1955 with 2.
4 fixed thresholds have at least one qualifying day at Blackville (Welton Dale).

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

79 years with a qualifying day

Days per year at Blackville (Welton Dale) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1887.

Days with 10 mm (0.39 in) or more of precipitation per year at Blackville (Welton Dale)
Year	Days	Decade average
1886	30	30.3
1887	43	30.3
1888	14	30.3
1889	34	30.3
1890	35	26.9
1891	32	26.9
1892	29	26.9
1893	29	26.9
1894	25	26.9
1895	25	26.9
1897	22	26.9
1898	18	26.9
1900	23	23.5
1901	20	23.5
1902	18	23.5
1903	26	23.5
1904	28	23.5
1907	18	23.5
1908	31	23.5
1909	24	23.5
1910	21	21.5
1911	29	21.5
1912	13	21.5
1913	22	21.5
1914	26	21.5
1915	14	21.5
1916	39	21.5
1917	23	21.5
1918	17	21.5
1919	11	21.5
1920	24	22.8
1921	37	22.8
1922	15	22.8
1923	17	22.8
1924	30	22.8
1925	16	22.8
1926	23	22.8
1927	19	22.8
1928	25	22.8
1929	22	22.8
1930	19	21.3
1931	22	21.3
1932	20	21.3
1933	25	21.3
1934	29	21.3
1935	18	21.3
1936	24	21.3
1937	19	21.3
1938	17	21.3
1939	20	21.3
1940	8	19.8
1941	24	19.8
1942	25	19.8
1943	17	19.8
1944	15	19.8
1945	22	19.8
1946	13	19.8
1947	34	19.8
1951	15	22.9
1952	20	22.9
1953	20	22.9
1954	26	22.9
1955	32	22.9
1956	36	22.9
1957	15	22.9
1958	18	22.9
1959	24	22.9
1960	27	23.5
1961	22	23.5
1962	25	23.5
1963	26	23.5
1964	27	23.5
1965	17	23.5
1966	22	23.5
1967	13	23.5
1968	25	23.5
1969	31	23.5
1970	33	25.5
1974	18	25.5

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

First to last qualifying date each year at Blackville (Welton Dale)
Year	First date	Last date
1886	1886-01-26	1886-12-08
1887	1887-01-19	1887-12-31
1888	1888-01-09	1888-12-17
1889	1889-01-27	1889-12-20
1890	1890-01-05	1890-12-30
1891	1891-01-11	1891-12-12
1892	1892-01-12	1892-12-31
1893	1893-01-08	1893-12-16
1894	1894-01-06	1894-12-17
1895	1895-01-05	1895-12-17
1897	1897-01-10	1897-12-21
1898	1898-01-05	1898-11-24
1900	1900-01-11	1900-12-22
1901	1901-01-02	1901-11-21
1902	1902-01-03	1902-12-18
1903	1903-03-26	1903-12-22
1904	1904-01-03	1904-12-18
1907	1907-01-21	1907-12-27
1908	1908-01-07	1908-12-21
1909	1909-01-31	1909-12-24
1910	1910-01-10	1910-12-17
1911	1911-01-10	1911-12-04
1912	1912-01-05	1912-10-26
1913	1913-01-03	1913-12-19
1914	1914-01-17	1914-12-31
1915	1915-01-31	1915-12-19
1916	1916-01-15	1916-12-13
1917	1917-01-19	1917-12-12
1918	1918-01-10	1918-10-30
1919	1919-01-20	1919-12-28
1920	1920-01-04	1920-12-10
1921	1921-02-16	1921-12-30
1922	1922-01-07	1922-12-17
1923	1923-01-06	1923-12-27
1924	1924-01-21	1924-11-23
1925	1925-01-04	1925-12-30
1926	1926-01-05	1926-12-28
1927	1927-01-22	1927-12-19
1928	1928-01-04	1928-12-21
1929	1929-01-12	1929-12-02
1930	1930-01-24	1930-12-16
1931	1931-01-18	1931-12-09
1932	1932-01-31	1932-12-16
1933	1933-01-22	1933-12-22
1934	1934-01-27	1934-12-20
1935	1935-01-03	1935-12-04
1936	1936-01-09	1936-12-14
1937	1937-01-01	1937-12-28
1938	1938-01-28	1938-12-31
1939	1939-01-27	1939-12-26
1940	1940-01-18	1940-12-20
1941	1941-01-01	1941-12-02
1942	1942-01-15	1942-12-17
1943	1943-02-04	1943-12-28
1944	1944-01-12	1944-11-25
1945	1945-01-27	1945-12-07
1946	1946-01-19	1946-12-29
1947	1947-01-07	1947-12-25
1951	1951-01-08	1951-12-10
1952	1952-02-19	1952-12-31
1953	1953-01-05	1953-12-25
1954	1954-01-01	1954-11-21
1955	1955-01-21	1955-12-14
1956	1956-01-13	1956-12-09
1957	1957-02-10	1957-12-31
1958	1958-01-29	1958-12-28
1959	1959-01-04	1959-12-23
1960	1960-01-14	1960-12-15
1961	1961-01-03	1961-12-19
1962	1962-01-05	1962-12-25
1963	1963-01-04	1963-12-10
1964	1964-01-14	1964-11-23
1965	1965-01-24	1965-12-15
1966	1966-02-24	1966-12-27
1967	1967-02-23	1967-12-30
1968	1968-01-05	1968-12-06
1969	1969-01-18	1969-12-24
1970	1970-01-10	1970-12-25
1974	1974-01-01	1974-11-18

Every Fixed Threshold

Fixed thresholds at Blackville (Welton Dale)
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	79	43	1887	18
25 mm (0.98 in): Days with 25 mm or more rain	77	19	1887	3
50 mm (1.97 in): Days with 50 mm or more rain	61	7	1887	3
100 mm (3.94 in): Days with 100 mm or more rain	7	2	1955	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1886.

Download the Data

Data for Blackville (Welton Dale) 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).

Blackville (Welton Dale) Threshold Days by Year (ASN00055061)

Key Facts for Blackville (Welton Dale) Thresholds

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

Every Fixed Threshold

Download the Data

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