Sandheads Threshold Days by Year

5 fixed thresholds counted per year at Sandheads (IN024140101): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sandheads Thresholds

Sandheads: days with 10 mm (0.39 in) or more of precipitation in 58 years, most in 1970 with 44.
Sandheads: days with 25 mm (0.98 in) or more of precipitation in 58 years, most in 1946 with 24.
Sandheads: days with 50 mm (1.97 in) or more of precipitation in 57 years, most in 1946 with 10.
Sandheads: days with 100 mm (3.94 in) or more of precipitation in 30 years, most in 1931 with 3.
5 fixed thresholds have at least one qualifying day at Sandheads.

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

58 years with a qualifying day

Days per year at Sandheads with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 44 in 1970.

Days with 10 mm (0.39 in) or more of precipitation per year at Sandheads
Year	Days	Decade average
1909	40	40
1910	31	27.9
1911	24	27.9
1912	22	27.9
1913	23	27.9
1914	17	27.9
1915	35	27.9
1916	34	27.9
1917	37	27.9
1918	26	27.9
1919	30	27.9
1920	23	28.2
1921	27	28.2
1923	27	28.2
1924	27	28.2
1925	30	28.2
1926	28	28.2
1927	26	28.2
1928	37	28.2
1929	29	28.2
1930	33	33
1931	41	33
1932	37	33
1933	41	33
1934	26	33
1935	22	33
1936	34	33
1937	37	33
1938	31	33
1939	28	33
1940	42	33.1
1941	28	33.1
1942	38	33.1
1943	25	33.1
1944	29	33.1
1945	27	33.1
1946	43	33.1
1950	38	31.2
1951	30	31.2
1952	40	31.2
1953	27	31.2
1954	35	31.2
1955	32	31.2
1956	29	31.2
1957	22	31.2
1958	28	31.2
1959	31	31.2
1960	33	32.2
1961	33	32.2
1962	39	32.2
1963	37	32.2
1964	29	32.2
1965	28	32.2
1966	27	32.2
1967	32	32.2
1968	33	32.2
1969	31	32.2
1970	44	44

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

First to last qualifying date each year at Sandheads
Year	First date	Last date
1909	1909-02-02	1909-12-06
1910	1910-01-11	1910-10-24
1911	1911-02-02	1911-10-10
1912	1912-03-30	1912-11-01
1913	1913-01-30	1913-12-11
1914	1914-05-08	1914-08-26
1915	1915-03-05	1915-11-17
1916	1916-05-10	1916-11-10
1917	1917-05-13	1917-11-15
1918	1918-05-09	1918-09-26
1919	1919-04-08	1919-11-16
1920	1920-02-07	1920-11-04
1921	1921-01-22	1921-10-26
1923	1923-02-21	1923-11-20
1924	1924-06-20	1924-11-19
1925	1925-04-24	1925-11-27
1926	1926-03-10	1926-10-24
1927	1927-05-08	1927-10-30
1928	1928-04-09	1928-11-19
1929	1929-03-12	1929-10-18
1930	1930-02-05	1930-11-20
1931	1931-02-17	1931-11-07
1932	1932-04-17	1932-11-14
1933	1933-02-17	1933-11-18
1934	1934-06-16	1934-12-09
1935	1935-04-17	1935-10-22
1936	1936-01-06	1936-12-22
1937	1937-02-14	1937-10-15
1938	1938-01-13	1938-11-10
1939	1939-05-20	1939-11-29
1940	1940-03-05	1940-11-19
1941	1941-05-10	1941-11-19
1942	1942-05-13	1942-10-16
1943	1943-01-30	1943-10-14
1944	1944-01-06	1944-10-30
1945	1945-01-07	1945-10-25
1946	1946-04-01	1946-11-15
1950	1950-03-20	1950-11-19
1951	1951-05-28	1951-11-26
1952	1952-04-17	1952-10-13
1953	1953-05-07	1953-11-08
1954	1954-06-01	1954-12-31
1955	1955-05-21	1955-11-09
1956	1956-02-02	1956-11-02
1957	1957-01-11	1957-10-06
1958	1958-02-23	1958-11-25
1959	1959-01-23	1959-10-29
1960	1960-05-24	1960-10-15
1961	1961-02-06	1961-10-31
1962	1962-03-10	1962-10-30
1963	1963-04-12	1963-12-03
1964	1964-06-01	1964-11-17
1965	1965-03-22	1965-10-22
1966	1966-01-04	1966-12-12
1967	1967-01-08	1967-10-11
1968	1968-05-16	1968-11-15
1969	1969-04-23	1969-10-10
1970	1970-03-05	1970-11-13

Every Fixed Threshold

Fixed thresholds at Sandheads
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	58	44	1970	44
25 mm (0.98 in): Days with 25 mm or more rain	58	24	1946	20
50 mm (1.97 in): Days with 50 mm or more rain	57	10	1946	10
100 mm (3.94 in): Days with 100 mm or more rain	30	3	1931	2
200 mm (7.87 in): Days with 200 mm or more rain	6	1	1913	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.

Download the Data

Data for Sandheads 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).

Sandheads Threshold Days by Year

Key Facts for Sandheads Thresholds

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

Every Fixed Threshold

Download the Data

Related