Madras Threshold Days by Year (USC00355139)

18 fixed thresholds counted per year at Madras (USC00355139): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Madras Thresholds

Madras: days with 10 mm (0.39 in) or more of precipitation in 87 years, most in 1983 with 12.
Madras: nights with a minimum temperature at or below 0 C (32 F) in 82 years, most in 1930 with 222.
Madras: nights with a minimum temperature at or below -10 C (14 F) in 81 years, most in 1929 with 63.
Madras: days with a maximum temperature at or above 30 C (86 F) in 80 years, most in 1929 with 75.
18 fixed thresholds have at least one qualifying day at Madras.

Days at or above 30 C (86 F)

80 years with a qualifying day

Days per year at Madras with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 75 in 1929.

Days at or above 30 C (86 F) per year at Madras
Year	Days	Decade average
1921	46	61.9
1922	70	61.9
1923	57	61.9
1924	68	61.9
1925	56	61.9
1926	60	61.9
1928	63	61.9
1929	75	61.9
1930	60	62.6
1931	68	62.6
1932	58	62.6
1933	53	62.6
1934	75	62.6
1935	55	62.6
1936	66	62.6
1937	57	62.6
1938	74	62.6
1939	60	62.6
1940	55	44.9
1941	44	44.9
1942	49	44.9
1943	46	44.9
1944	46	44.9
1945	57	44.9
1946	37	44.9
1947	41	44.9
1948	29	44.9
1949	45	44.9
1950	51	47.2
1951	52	47.2
1952	55	47.2
1953	41	47.2
1954	31	47.2
1955	49	47.2
1956	36	47.2
1957	41	47.2
1958	69	47.2
1961	67	51.4
1962	45	51.4
1963	51	51.4
1964	39	51.4
1965	38	51.4
1966	47	51.4
1967	75	51.4
1969	49	51.4
1970	70	54.2
1971	50	54.2
1972	56	54.2
1973	54	54.2
1974	66	54.2
1975	44	54.2
1976	45	54.2
1977	60	54.2
1978	41	54.2
1979	56	54.2
1980	44	56.5
1981	60	56.5
1982	50	56.5
1983	43	56.5
1984	62	56.5
1985	62	56.5
1986	65	56.5
1987	66	56.5
1995	55	55
1996	52	55
1997	58	55
2002	43	29.8
2003	54	29.8
2004	22	29.8
2005	4	29.8
2006	7	29.8
2009	49	29.8
2010	33	44.3
2011	41	44.3
2012	40	44.3
2013	56	44.3
2014	41	44.3
2015	53	44.3
2016	46	44.3
2026	32	32

For each year, a bar from the first to the last day at Madras meeting 30 C (86 F).

First to last qualifying date each year at Madras
Year	First date	Last date
1921	1921-06-06	1921-08-31
1922	1922-05-16	1922-09-30
1923	1923-05-08	1923-09-14
1924	1924-05-09	1924-09-29
1925	1925-04-09	1925-09-03
1926	1926-04-15	1926-08-28
1928	1928-05-11	1928-09-24
1929	1929-05-19	1929-10-15
1930	1930-06-06	1930-10-05
1931	1931-05-11	1931-10-01
1932	1932-06-11	1932-10-05
1933	1933-05-28	1933-10-04
1934	1934-04-19	1934-09-29
1935	1935-05-21	1935-09-13
1936	1936-05-09	1936-09-24
1937	1937-05-02	1937-09-17
1938	1938-05-23	1938-09-22
1939	1939-04-28	1939-09-23
1940	1940-05-22	1940-10-18
1941	1941-05-24	1941-08-22
1942	1942-06-29	1942-10-10
1943	1943-05-25	1943-10-04
1944	1944-05-28	1944-09-25
1945	1945-06-18	1945-09-15
1946	1946-04-26	1946-09-25
1947	1947-05-02	1947-09-25
1948	1948-06-07	1948-09-14
1949	1949-05-11	1949-09-09
1950	1950-05-27	1950-09-23
1951	1951-05-23	1951-09-25
1952	1952-05-28	1952-09-27
1953	1953-05-06	1953-09-19
1954	1954-05-18	1954-09-27
1955	1955-06-07	1955-09-11
1956	1956-05-17	1956-09-26
1957	1957-04-30	1957-09-25
1958	1958-05-17	1958-10-05
1961	1961-06-02	1961-10-14
1962	1962-06-19	1962-09-26
1963	1963-06-12	1963-10-03
1964	1964-05-31	1964-09-25
1965	1965-06-05	1965-10-07
1966	1966-05-03	1966-09-28
1967	1967-05-16	1967-09-29
1969	1969-05-08	1969-09-12
1970	1970-05-16	1970-09-30
1971	1971-05-11	1971-10-05
1972	1972-05-13	1972-09-15
1973	1973-05-13	1973-09-13
1974	1974-06-10	1974-10-01
1975	1975-05-31	1975-09-16
1976	1976-05-26	1976-10-01
1977	1977-04-24	1977-09-14
1978	1978-06-03	1978-09-27
1979	1979-05-22	1979-10-06
1980	1980-05-20	1980-10-08
1981	1981-04-30	1981-09-19
1982	1982-06-10	1982-09-09
1983	1983-05-23	1983-09-26
1984	1984-05-29	1984-09-19
1985	1985-05-22	1985-09-27
1986	1986-04-21	1986-09-06
1987	1987-04-27	1987-10-02
1995	1995-05-29	1995-09-18
1996	1996-06-03	1996-09-30
1997	1997-05-12	1997-09-29
2002	2002-06-12	2002-09-13
2003	2003-06-06	2003-09-26
2004	2004-06-04	2004-08-13
2005	2005-07-15	2005-08-06
2006	2006-05-19	2006-08-08
2009	2009-05-18	2009-09-25
2010	2010-06-29	2010-09-04
2011	2011-06-23	2011-09-25
2012	2012-05-15	2012-09-21
2013	2013-05-10	2013-09-16
2014	2014-05-16	2014-10-06
2015	2015-05-30	2015-09-13
2016	2016-06-04	2016-09-27
2026	2026-06-16	2026-09-11

Every Fixed Threshold

Fixed thresholds at Madras
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	80	75	1929	32
35 C (95 F): Days	76	30	1971	7
40 C (104 F): Days	20	5	1928	1
90 F (32.2 C): Days	80	54	1938	17
100 F (37.8 C): Days	54	12	1996	5
110 F (43.3 C): Days	2	1	1928	1
0 C (32 F): Ice days (max	78	38	1985	1
0 C (32 F): Frost days (min	82	222	1930	52
-10 C (14 F): Days with min	81	63	1929	5
-20 C (-4 F): Days with min	45	16	1929	1
-30 C (-22 F): Days with min	11	5	1929	2
-40 C (-40 F): Days with min	1	1	1930	1
20 C (68 F): Tropical nights (min	5	1	1935	1
10 mm (0.39 in): Days with 10 mm or more rain	87	12	1983	1
25 mm (0.98 in): Days with 25 mm or more rain	26	2	1956	1
50 mm (1.97 in): Days with 50 mm or more rain	3	1	1929	1
10 cm (3.9 in): Days with 10 cm or more snowfall	41	4	1922	1
25 cm (9.8 in): Days with 25 cm or more snowfall	4	1	1924	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1921.

Download the Data

Data for Madras 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Madras Threshold Days by Year (USC00355139)

Key Facts for Madras Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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