Neriamangalam Threshold Days by Year (IN010032000)

5 fixed thresholds counted per year at Neriamangalam (IN010032000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Neriamangalam Thresholds

Neriamangalam: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1946 with 153.
Neriamangalam: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1950 with 109.
Neriamangalam: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 1950 with 68.
Neriamangalam: days with 100 mm (3.94 in) or more of precipitation in 30 years, most in 1950 with 23.
5 fixed thresholds have at least one qualifying day at Neriamangalam.

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

31 years with a qualifying day

Days per year at Neriamangalam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 153 in 1946.

Days with 10 mm (0.39 in) or more of precipitation per year at Neriamangalam
Year	Days	Decade average
1935	117	128.8
1936	133	128.8
1937	120	128.8
1938	129	128.8
1939	145	128.8
1940	134	132.9
1941	135	132.9
1942	118	132.9
1943	152	132.9
1944	140	132.9
1945	112	132.9
1946	153	132.9
1949	119	132.9
1950	144	120.4
1951	149	120.4
1952	120	120.4
1953	111	120.4
1954	138	120.4
1955	101	120.4
1956	103	120.4
1957	105	120.4
1958	119	120.4
1959	114	120.4
1960	124	104.6
1961	86	104.6
1962	91	104.6
1963	125	104.6
1964	115	104.6
1965	92	104.6
1966	106	104.6
1967	98	104.6

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

First to last qualifying date each year at Neriamangalam
Year	First date	Last date
1935	1935-01-07	1935-12-29
1936	1936-03-18	1936-12-10
1937	1937-02-14	1937-12-24
1938	1938-02-04	1938-11-19
1939	1939-01-26	1939-12-12
1940	1940-04-09	1940-12-17
1941	1941-01-28	1941-12-04
1942	1942-03-02	1942-12-25
1943	1943-01-03	1943-12-07
1944	1944-02-14	1944-12-23
1945	1945-02-19	1945-12-09
1946	1946-02-18	1946-12-26
1949	1949-04-12	1949-11-20
1950	1950-02-20	1950-11-24
1951	1951-01-08	1951-12-02
1952	1952-02-22	1952-12-13
1953	1953-01-26	1953-11-29
1954	1954-01-05	1954-12-27
1955	1955-02-13	1955-11-26
1956	1956-01-11	1956-11-21
1957	1957-02-19	1957-11-25
1958	1958-02-02	1958-12-27
1959	1959-02-03	1959-12-21
1960	1960-03-21	1960-12-07
1961	1961-02-10	1961-11-03
1962	1962-01-30	1962-12-06
1963	1963-01-11	1963-12-24
1964	1964-03-05	1964-12-27
1965	1965-01-04	1965-12-10
1966	1966-01-14	1966-12-09
1967	1967-01-11	1967-12-13

Every Fixed Threshold

Fixed thresholds at Neriamangalam
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	31	153	1946	98
25 mm (0.98 in): Days with 25 mm or more rain	31	109	1950	44
50 mm (1.97 in): Days with 50 mm or more rain	31	68	1950	18
100 mm (3.94 in): Days with 100 mm or more rain	30	23	1950	3
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1962	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1935.

Download the Data

Data for Neriamangalam 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).

Neriamangalam Threshold Days by Year (IN010032000)

Key Facts for Neriamangalam Thresholds

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

Every Fixed Threshold

Download the Data

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