Supa Threshold Days by Year (IN009120700)

5 fixed thresholds counted per year at Supa (IN009120700): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Supa Thresholds

Supa: days with 10 mm (0.39 in) or more of precipitation in 70 years, most in 1946 with 79.
Supa: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1946 with 50.
Supa: days with 50 mm (1.97 in) or more of precipitation in 70 years, most in 1958 with 25.
Supa: days with 100 mm (3.94 in) or more of precipitation in 54 years, most in 1914 with 7.
5 fixed thresholds have at least one qualifying day at Supa.

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

70 years with a qualifying day

Days per year at Supa with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 79 in 1946.

Days with 10 mm (0.39 in) or more of precipitation per year at Supa
Year	Days	Decade average
1901	68	57.7
1902	66	57.7
1903	50	57.7
1904	57	57.7
1905	45	57.7
1906	49	57.7
1907	75	57.7
1908	63	57.7
1909	46	57.7
1910	49	59.8
1911	58	59.8
1912	67	59.8
1913	60	59.8
1914	66	59.8
1915	46	59.8
1916	70	59.8
1917	71	59.8
1918	49	59.8
1919	62	59.8
1920	63	62.6
1921	60	62.6
1922	65	62.6
1923	70	62.6
1924	57	62.6
1925	63	62.6
1926	52	62.6
1927	62	62.6
1928	66	62.6
1929	68	62.6
1930	67	64.7
1931	76	64.7
1932	69	64.7
1933	74	64.7
1934	60	64.7
1935	57	64.7
1936	67	64.7
1937	54	64.7
1938	66	64.7
1939	57	64.7
1940	67	60.8
1941	48	60.8
1942	61	60.8
1943	72	60.8
1944	54	60.8
1945	53	60.8
1946	79	60.8
1947	55	60.8
1948	58	60.8
1949	61	60.8
1950	64	64.3
1951	59	64.3
1952	58	64.3
1953	64	64.3
1954	62	64.3
1955	57	64.3
1956	70	64.3
1957	60	64.3
1958	72	64.3
1959	77	64.3
1960	59	63.3
1961	76	63.3
1962	64	63.3
1963	67	63.3
1964	63	63.3
1965	51	63.3
1966	64	63.3
1967	62	63.3
1968	65	63.3
1969	62	63.3
1970	70	70

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

First to last qualifying date each year at Supa
Year	First date	Last date
1901	1901-03-28	1901-10-23
1902	1902-03-16	1902-12-18
1903	1903-05-05	1903-09-28
1904	1904-04-02	1904-10-23
1905	1905-04-18	1905-11-27
1906	1906-06-07	1906-12-21
1907	1907-04-08	1907-11-28
1908	1908-04-01	1908-10-29
1909	1909-04-01	1909-11-03
1910	1910-06-07	1910-10-28
1911	1911-05-24	1911-12-01
1912	1912-04-05	1912-11-16
1913	1913-03-01	1913-10-13
1914	1914-04-25	1914-11-06
1915	1915-04-23	1915-11-19
1916	1916-04-16	1916-11-11
1917	1917-02-03	1917-11-21
1918	1918-04-27	1918-11-08
1919	1919-05-04	1919-11-16
1920	1920-04-19	1920-10-08
1921	1921-04-12	1921-11-05
1922	1922-04-14	1922-10-28
1923	1923-03-21	1923-09-23
1924	1924-03-23	1924-11-03
1925	1925-04-21	1925-12-11
1926	1926-06-08	1926-09-22
1927	1927-04-15	1927-11-11
1928	1928-02-04	1928-10-25
1929	1929-04-09	1929-11-16
1930	1930-04-15	1930-12-08
1931	1931-04-11	1931-12-14
1932	1932-04-13	1932-11-19
1933	1933-05-12	1933-12-19
1934	1934-05-14	1934-11-02
1935	1935-06-15	1935-11-02
1936	1936-04-19	1936-11-15
1937	1937-04-18	1937-10-09
1938	1938-03-26	1938-11-07
1939	1939-03-26	1939-11-01
1940	1940-04-16	1940-10-16
1941	1941-03-25	1941-12-17
1942	1942-05-16	1942-10-29
1943	1943-04-29	1943-11-25
1944	1944-04-21	1944-11-06
1945	1945-05-02	1945-11-15
1946	1946-04-04	1946-11-19
1947	1947-04-08	1947-10-19
1948	1948-03-27	1948-11-21
1949	1949-04-05	1949-11-03
1950	1950-05-07	1950-11-08
1951	1951-05-07	1951-11-23
1952	1952-06-05	1952-12-10
1953	1953-04-05	1953-10-29
1954	1954-03-16	1954-10-21
1955	1955-04-10	1955-10-28
1956	1956-02-07	1956-11-05
1957	1957-05-14	1957-11-08
1958	1958-05-05	1958-10-10
1959	1959-04-17	1959-11-03
1960	1960-05-15	1960-11-23
1961	1961-05-05	1961-11-04
1962	1962-04-26	1962-12-06
1963	1963-04-04	1963-10-24
1964	1964-03-25	1964-11-13
1965	1965-04-08	1965-12-11
1966	1966-04-19	1966-12-02
1967	1967-06-11	1967-10-08
1968	1968-04-16	1968-10-18
1969	1969-06-02	1969-11-29
1970	1970-04-26	1970-10-13

Every Fixed Threshold

Fixed thresholds at Supa
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	79	1946	70
25 mm (0.98 in): Days with 25 mm or more rain	70	50	1946	34
50 mm (1.97 in): Days with 50 mm or more rain	70	25	1958	15
100 mm (3.94 in): Days with 100 mm or more rain	54	7	1914	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	1923	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

Data for Supa 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).

Supa Threshold Days by Year (IN009120700)

Key Facts for Supa Thresholds

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

Every Fixed Threshold

Download the Data

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