Castro Alves Threshold Days by Year (BR048515180)

4 fixed thresholds counted per year at Castro Alves (BR048515180): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Castro Alves Thresholds

Castro Alves: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1960 with 55.
Castro Alves: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1948 with 16.
Castro Alves: days with 50 mm (1.97 in) or more of precipitation in 35 years, most in 1948 with 5.
Castro Alves: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1922 with 1.
4 fixed thresholds have at least one qualifying day at Castro Alves.

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

61 years with a qualifying day

Days per year at Castro Alves with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 55 in 1960.

Days with 10 mm (0.39 in) or more of precipitation per year at Castro Alves
Year	Days	Decade average
1916	33	29
1917	23	29
1918	27	29
1919	33	29
1920	23	24.6
1921	25	24.6
1922	27	24.6
1923	24	24.6
1924	34	24.6
1925	17	24.6
1926	22	24.6
1930	27	22.5
1931	11	22.5
1932	18	22.5
1933	30	22.5
1934	16	22.5
1935	15	22.5
1936	31	22.5
1937	12	22.5
1938	33	22.5
1939	32	22.5
1940	32	27.4
1941	27	27.4
1942	22	27.4
1943	23	27.4
1944	24	27.4
1945	21	27.4
1946	23	27.4
1947	29	27.4
1948	49	27.4
1949	24	27.4
1950	36	26.4
1951	17	26.4
1952	26	26.4
1953	20	26.4
1954	24	26.4
1955	20	26.4
1956	32	26.4
1957	44	26.4
1958	23	26.4
1959	22	26.4
1960	55	26.1
1961	20	26.1
1962	16	26.1
1963	20	26.1
1964	49	26.1
1965	20	26.1
1966	21	26.1
1967	20	26.1
1968	21	26.1
1969	19	26.1
1970	21	22.5
1971	25	22.5
1972	33	22.5
1974	35	22.5
1975	27	22.5
1976	8	22.5
1978	15	22.5
1979	16	22.5
1980	8	6.5
1982	5	6.5

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

First to last qualifying date each year at Castro Alves
Year	First date	Last date
1916	1916-01-23	1916-12-23
1917	1917-01-10	1917-12-27
1918	1918-01-10	1918-12-29
1919	1919-01-01	1919-09-23
1920	1920-01-18	1920-12-11
1921	1921-03-21	1921-12-12
1922	1922-02-06	1922-12-26
1923	1923-02-01	1923-11-21
1924	1924-01-27	1924-12-18
1925	1925-01-20	1925-12-31
1926	1926-01-23	1926-12-25
1930	1930-01-25	1930-12-17
1931	1931-07-16	1931-11-03
1932	1932-01-05	1932-12-01
1933	1933-01-15	1933-12-27
1934	1934-04-01	1934-12-29
1935	1935-03-21	1935-12-19
1936	1936-01-07	1936-12-31
1937	1937-01-21	1937-12-24
1938	1938-01-07	1938-11-03
1939	1939-01-04	1939-12-18
1940	1940-01-02	1940-12-18
1941	1941-01-14	1941-12-05
1942	1942-01-04	1942-12-24
1943	1943-01-30	1943-12-27
1944	1944-01-17	1944-12-29
1945	1945-01-10	1945-12-30
1946	1946-01-28	1946-12-17
1947	1947-01-21	1947-12-03
1948	1948-02-11	1948-12-15
1949	1949-03-01	1949-12-14
1950	1950-01-14	1950-12-26
1951	1951-01-03	1951-12-17
1952	1952-03-07	1952-12-16
1953	1953-01-13	1953-12-24
1954	1954-01-24	1954-12-08
1955	1955-01-19	1955-12-18
1956	1956-02-02	1956-12-01
1957	1957-01-08	1957-12-20
1958	1958-01-31	1958-12-31
1959	1959-01-01	1959-11-30
1960	1960-01-06	1960-12-19
1961	1961-01-17	1961-08-29
1962	1962-03-08	1962-12-30
1963	1963-02-11	1963-12-22
1964	1964-01-01	1964-12-27
1965	1965-01-19	1965-12-07
1966	1966-01-05	1966-12-22
1967	1967-02-16	1967-12-28
1968	1968-01-27	1968-12-21
1969	1969-01-19	1969-12-27
1970	1970-01-23	1970-12-05
1971	1971-01-10	1971-12-22
1972	1972-01-17	1972-12-24
1974	1974-01-03	1974-12-10
1975	1975-01-21	1975-12-31
1976	1976-01-02	1976-11-30
1978	1978-01-12	1978-12-25
1979	1979-01-09	1979-12-12
1980	1980-01-05	1980-07-22
1982	1982-04-07	1982-08-03

Every Fixed Threshold

Fixed thresholds at Castro Alves
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	61	55	1960	5
25 mm (0.98 in): Days with 25 mm or more rain	57	16	1948	3
50 mm (1.97 in): Days with 50 mm or more rain	35	5	1948	2
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1922	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

Download the Data

Data for Castro Alves 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).

Castro Alves Threshold Days by Year (BR048515180)

Key Facts for Castro Alves Thresholds

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

Every Fixed Threshold

Download the Data

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