Boa Viagem Threshold Days by Year (BR038002560)

4 fixed thresholds counted per year at Boa Viagem (BR038002560): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Boa Viagem Thresholds

Boa Viagem: days with 10 mm (0.39 in) or more of precipitation in 69 years, most in 1964 with 60.
Boa Viagem: days with 25 mm (0.98 in) or more of precipitation in 69 years, most in 1964 with 33.
Boa Viagem: days with 50 mm (1.97 in) or more of precipitation in 47 years, most in 1964 with 10.
Boa Viagem: days with 100 mm (3.94 in) or more of precipitation in 5 years, most in 1916 with 1.
4 fixed thresholds have at least one qualifying day at Boa Viagem.

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

69 years with a qualifying day

Days per year at Boa Viagem with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 60 in 1964.

Days with 10 mm (0.39 in) or more of precipitation per year at Boa Viagem
Year	Days	Decade average
1911	17	22.9
1912	34	22.9
1913	37	22.9
1914	29	22.9
1915	9	22.9
1916	24	22.9
1917	28	22.9
1918	25	22.9
1919	3	22.9
1920	22	24
1921	33	24
1922	33	24
1923	17	24
1924	30	24
1928	15	24
1929	18	24
1930	20	17.6
1931	15	17.6
1932	9	17.6
1933	13	17.6
1934	30	17.6
1935	33	17.6
1936	18	17.6
1937	8	17.6
1938	14	17.6
1939	16	17.6
1940	35	22
1941	19	22
1942	13	22
1943	13	22
1944	22	22
1945	30	22
1946	22	22
1947	25	22
1948	28	22
1949	13	22
1950	22	20.6
1951	17	20.6
1952	20	20.6
1953	14	20.6
1954	23	20.6
1955	23	20.6
1956	24	20.6
1957	24	20.6
1958	9	20.6
1959	30	20.6
1960	27	29.5
1961	29	29.5
1962	27	29.5
1963	36	29.5
1964	60	29.5
1965	20	29.5
1966	23	29.5
1967	29	29.5
1968	21	29.5
1969	23	29.5
1970	12	22.4
1971	19	22.4
1972	13	22.4
1973	26	22.4
1974	34	22.4
1975	34	22.4
1976	16	22.4
1977	35	22.4
1978	19	22.4
1979	16	22.4
1980	14	13
1981	14	13
1983	11	13

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

First to last qualifying date each year at Boa Viagem
Year	First date	Last date
1911	1911-01-12	1911-12-28
1912	1912-01-15	1912-07-25
1913	1913-01-06	1913-12-10
1914	1914-01-15	1914-08-17
1915	1915-01-26	1915-12-30
1916	1916-01-19	1916-12-30
1917	1917-01-01	1917-12-26
1918	1918-01-07	1918-12-31
1919	1919-01-01	1919-05-14
1920	1920-03-10	1920-07-13
1921	1921-02-06	1921-11-22
1922	1922-02-03	1922-11-27
1923	1923-01-15	1923-05-14
1924	1924-01-25	1924-06-13
1928	1928-01-04	1928-06-28
1929	1929-02-05	1929-12-03
1930	1930-01-21	1930-06-06
1931	1931-01-09	1931-04-28
1932	1932-01-20	1932-05-16
1933	1933-02-10	1933-04-22
1934	1934-02-04	1934-12-22
1935	1935-01-13	1935-05-24
1936	1936-01-01	1936-06-26
1937	1937-02-13	1937-06-12
1938	1938-01-28	1938-04-25
1939	1939-02-09	1939-09-08
1940	1940-01-29	1940-12-18
1941	1941-02-13	1941-07-05
1942	1942-02-11	1942-12-05
1943	1943-01-28	1943-05-24
1944	1944-01-19	1944-12-16
1945	1945-01-03	1945-07-02
1946	1946-01-16	1946-12-20
1947	1947-02-01	1947-11-27
1948	1948-01-25	1948-06-30
1949	1949-02-11	1949-05-05
1950	1950-02-23	1950-05-21
1951	1951-01-10	1951-12-15
1952	1952-01-10	1952-12-16
1953	1953-03-07	1953-05-23
1954	1954-02-02	1954-05-31
1955	1955-01-20	1955-08-06
1956	1956-02-03	1956-08-12
1957	1957-03-02	1957-06-06
1958	1958-02-02	1958-12-07
1959	1959-01-07	1959-07-25
1960	1960-02-12	1960-12-15
1961	1961-01-19	1961-07-21
1962	1962-02-14	1962-12-18
1963	1963-01-15	1963-06-29
1964	1964-01-04	1964-07-26
1965	1965-01-26	1965-10-05
1966	1966-02-06	1966-09-25
1967	1967-02-09	1967-12-29
1968	1968-01-23	1968-05-17
1969	1969-01-24	1969-07-09
1970	1970-01-20	1970-11-08
1971	1971-01-11	1971-10-21
1972	1972-01-29	1972-12-20
1973	1973-01-11	1973-09-11
1974	1974-01-16	1974-12-29
1975	1975-01-07	1975-12-03
1976	1976-02-03	1976-05-28
1977	1977-01-05	1977-12-31
1978	1978-02-11	1978-09-24
1979	1979-01-15	1979-11-19
1980	1980-01-14	1980-06-10
1981	1981-01-31	1981-12-21
1983	1983-02-09	1983-12-23

Every Fixed Threshold

Fixed thresholds at Boa Viagem
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	69	60	1964	11
25 mm (0.98 in): Days with 25 mm or more rain	69	33	1964	3
50 mm (1.97 in): Days with 50 mm or more rain	47	10	1964	3
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1916	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 Boa Viagem 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).

Boa Viagem Threshold Days by Year (BR038002560)

Key Facts for Boa Viagem Thresholds

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

Every Fixed Threshold

Download the Data

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