Vayalpad Threshold Days by Year

4 fixed thresholds counted per year at Vayalpad (IN001030901): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Vayalpad Thresholds

Vayalpad: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 1930 with 41.
Vayalpad: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 1944 with 23.
Vayalpad: days with 50 mm (1.97 in) or more of precipitation in 49 years, most in 1944 with 10.
Vayalpad: days with 100 mm (3.94 in) or more of precipitation in 8 years, most in 1943 with 3.
4 fixed thresholds have at least one qualifying day at Vayalpad.

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

60 years with a qualifying day

Days per year at Vayalpad with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1930.

Days with 10 mm (0.39 in) or more of precipitation per year at Vayalpad
Year	Days	Decade average
1911	17	22.1
1912	25	22.1
1913	17	22.1
1914	18	22.1
1915	29	22.1
1916	23	22.1
1917	23	22.1
1918	20	22.1
1919	27	22.1
1920	14	20.8
1921	26	20.8
1922	24	20.8
1923	17	20.8
1924	16	20.8
1925	30	20.8
1926	23	20.8
1927	20	20.8
1928	18	20.8
1929	20	20.8
1930	41	25.4
1931	29	25.4
1932	25	25.4
1933	18	25.4
1934	13	25.4
1935	23	25.4
1936	26	25.4
1937	30	25.4
1938	22	25.4
1939	27	25.4
1940	26	25
1941	18	25
1942	16	25
1943	33	25
1944	39	25
1945	25	25
1946	26	25
1947	12	25
1948	27	25
1949	28	25
1950	20	19.5
1951	15	19.5
1952	19	19.5
1953	24	19.5
1954	20	19.5
1955	16	19.5
1956	29	19.5
1957	8	19.5
1958	21	19.5
1959	23	19.5
1960	19	20.4
1961	16	20.4
1962	27	20.4
1963	19	20.4
1964	20	20.4
1965	14	20.4
1966	27	20.4
1967	22	20.4
1968	20	20.4
1969	20	20.4
1970	21	21

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

First to last qualifying date each year at Vayalpad
Year	First date	Last date
1911	1911-05-16	1911-12-06
1912	1912-06-03	1912-11-24
1913	1913-04-17	1913-10-11
1914	1914-05-06	1914-11-07
1915	1915-01-17	1915-11-23
1916	1916-05-31	1916-11-23
1917	1917-02-01	1917-12-13
1918	1918-01-02	1918-11-27
1919	1919-01-05	1919-12-30
1920	1920-01-02	1920-11-17
1921	1921-01-13	1921-10-31
1922	1922-04-24	1922-12-01
1923	1923-01-13	1923-10-29
1924	1924-04-17	1924-11-07
1925	1925-04-17	1925-12-11
1926	1926-01-26	1926-11-07
1927	1927-05-09	1927-11-10
1928	1928-02-06	1928-12-09
1929	1929-04-25	1929-12-07
1930	1930-01-08	1930-12-27
1931	1931-05-29	1931-12-26
1932	1932-02-22	1932-11-30
1933	1933-04-18	1933-12-17
1934	1934-01-25	1934-12-06
1935	1935-05-18	1935-12-27
1936	1936-04-01	1936-11-13
1937	1937-02-16	1937-12-12
1938	1938-05-02	1938-10-29
1939	1939-01-12	1939-11-21
1940	1940-03-13	1940-11-14
1941	1941-05-02	1941-12-14
1942	1942-06-01	1942-12-20
1943	1943-01-02	1943-11-24
1944	1944-02-21	1944-11-26
1945	1945-05-16	1945-11-15
1946	1946-05-09	1946-12-16
1947	1947-01-28	1947-11-22
1948	1948-05-03	1948-12-21
1949	1949-04-04	1949-11-18
1950	1950-05-27	1950-11-02
1951	1951-03-31	1951-11-18
1952	1952-04-28	1952-12-11
1953	1953-04-22	1953-11-27
1954	1954-01-06	1954-12-14
1955	1955-01-10	1955-12-03
1956	1956-04-30	1956-11-21
1957	1957-03-08	1957-10-31
1958	1958-04-13	1958-10-22
1959	1959-02-03	1959-12-11
1960	1960-05-19	1960-11-21
1961	1961-06-07	1961-11-14
1962	1962-04-13	1962-12-03
1963	1963-04-21	1963-12-03
1964	1964-06-03	1964-12-24
1965	1965-03-31	1965-11-25
1966	1966-05-01	1966-12-06
1967	1967-01-11	1967-12-15
1968	1968-04-25	1968-12-19
1969	1969-05-16	1969-12-17
1970	1970-05-05	1970-11-22

Every Fixed Threshold

Fixed thresholds at Vayalpad
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	60	41	1930	21
25 mm (0.98 in): Days with 25 mm or more rain	60	23	1944	5
50 mm (1.97 in): Days with 50 mm or more rain	49	10	1944	4
100 mm (3.94 in): Days with 100 mm or more rain	8	3	1943	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.

Download the Data

Data for Vayalpad 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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

Vayalpad Threshold Days by Year

Key Facts for Vayalpad Thresholds

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

Every Fixed Threshold

Download the Data

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