Tamboril Threshold Days by Year (BR027996360)

4 fixed thresholds counted per year at Tamboril (BR027996360): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tamboril Thresholds

Tamboril: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1924 with 53.
Tamboril: days with 25 mm (0.98 in) or more of precipitation in 71 years, most in 1964 with 34.
Tamboril: days with 50 mm (1.97 in) or more of precipitation in 58 years, most in 1964 with 19.
Tamboril: days with 100 mm (3.94 in) or more of precipitation in 8 years, most in 1926 with 2.
4 fixed thresholds have at least one qualifying day at Tamboril.

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

71 years with a qualifying day

Days per year at Tamboril with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 53 in 1924.

Days with 10 mm (0.39 in) or more of precipitation per year at Tamboril
Year	Days	Decade average
1912	35	26.1
1913	35	26.1
1914	18	26.1
1915	12	26.1
1916	23	26.1
1917	34	26.1
1918	26	26.1
1920	29	29.3
1921	29	29.3
1922	26	29.3
1923	25	29.3
1924	53	29.3
1925	23	29.3
1926	33	29.3
1927	28	29.3
1928	17	29.3
1929	30	29.3
1930	11	22.5
1931	19	22.5
1932	7	22.5
1933	28	22.5
1934	39	22.5
1935	37	22.5
1936	18	22.5
1937	18	22.5
1938	20	22.5
1939	28	22.5
1940	26	20.2
1941	7	20.2
1942	9	20.2
1943	15	20.2
1944	22	20.2
1945	33	20.2
1946	22	20.2
1947	28	20.2
1948	15	20.2
1949	25	20.2
1950	25	15.8
1951	13	15.8
1952	13	15.8
1953	9	15.8
1954	14	15.8
1955	19	15.8
1956	13	15.8
1957	29	15.8
1958	11	15.8
1959	12	15.8
1960	12	27.7
1961	33	27.7
1962	21	27.7
1963	36	27.7
1964	51	27.7
1965	24	27.7
1966	11	27.7
1967	38	27.7
1968	25	27.7
1969	26	27.7
1970	12	24.1
1971	21	24.1
1972	19	24.1
1973	30	24.1
1974	38	24.1
1975	38	24.1
1976	20	24.1
1977	25	24.1
1978	21	24.1
1979	17	24.1
1980	18	14
1981	16	14
1982	16	14
1983	6	14

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

First to last qualifying date each year at Tamboril
Year	First date	Last date
1912	1912-01-16	1912-12-14
1913	1913-02-03	1913-12-09
1914	1914-01-14	1914-10-30
1915	1915-01-24	1915-12-17
1916	1916-01-19	1916-12-31
1917	1917-01-02	1917-11-24
1918	1918-01-02	1918-11-27
1920	1920-02-29	1920-10-01
1921	1921-01-03	1921-07-18
1922	1922-02-02	1922-12-01
1923	1923-02-04	1923-05-29
1924	1924-01-23	1924-12-10
1925	1925-01-21	1925-10-26
1926	1926-01-10	1926-05-17
1927	1927-01-22	1927-06-21
1928	1928-01-06	1928-04-03
1929	1929-01-29	1929-12-07
1930	1930-01-20	1930-04-18
1931	1931-01-09	1931-04-19
1932	1932-01-31	1932-07-09
1933	1933-01-13	1933-12-11
1934	1934-01-01	1934-12-18
1935	1935-01-15	1935-12-12
1936	1936-01-01	1936-12-25
1937	1937-01-31	1937-07-03
1938	1938-01-25	1938-11-08
1939	1939-01-31	1939-11-21
1940	1940-01-07	1940-05-17
1941	1941-02-12	1941-04-27
1942	1942-01-02	1942-12-04
1943	1943-01-23	1943-12-20
1944	1944-01-18	1944-12-28
1945	1945-01-03	1945-07-01
1946	1946-01-02	1946-12-19
1947	1947-01-25	1947-04-30
1948	1948-01-18	1948-12-21
1949	1949-02-07	1949-11-29
1950	1950-01-14	1950-05-14
1951	1951-01-09	1951-12-14
1952	1952-01-09	1952-12-16
1953	1953-02-21	1953-05-01
1954	1954-02-16	1954-11-26
1955	1955-01-26	1955-08-05
1956	1956-02-02	1956-04-19
1957	1957-01-07	1957-04-28
1958	1958-01-15	1958-12-06
1959	1959-01-26	1959-05-09
1960	1960-03-06	1960-12-19
1961	1961-01-17	1961-11-05
1962	1962-01-16	1962-12-27
1963	1963-01-12	1963-12-27
1964	1964-01-02	1964-12-07
1965	1965-01-19	1965-10-05
1966	1966-02-06	1966-05-15
1967	1967-01-06	1967-12-31
1968	1968-01-26	1968-11-29
1969	1969-01-19	1969-07-20
1970	1970-01-22	1970-11-10
1971	1971-01-28	1971-11-11
1972	1972-01-22	1972-12-31
1973	1973-01-11	1973-12-28
1974	1974-01-11	1974-12-05
1975	1975-01-23	1975-12-03
1976	1976-02-03	1976-11-15
1977	1977-01-06	1977-12-31
1978	1978-01-14	1978-12-11
1979	1979-01-23	1979-11-10
1980	1980-01-15	1980-11-18
1981	1981-01-27	1981-12-22
1982	1982-01-27	1982-10-29
1983	1983-02-04	1983-04-07

Every Fixed Threshold

Fixed thresholds at Tamboril
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	71	53	1924	6
25 mm (0.98 in): Days with 25 mm or more rain	71	34	1964	3
50 mm (1.97 in): Days with 50 mm or more rain	58	19	1964	2
100 mm (3.94 in): Days with 100 mm or more rain	8	2	1926	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

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Data for Tamboril 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).

Tamboril Threshold Days by Year (BR027996360)

Key Facts for Tamboril Thresholds

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

Every Fixed Threshold

Download the Data

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