Ferros Threshold Days by Year (BR001943003)

4 fixed thresholds counted per year at Ferros (BR001943003): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ferros Thresholds

Ferros: days with 10 mm (0.39 in) or more of precipitation in 51 years, most in 1945 with 75.
Ferros: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1945 with 28.
Ferros: days with 50 mm (1.97 in) or more of precipitation in 49 years, most in 1947 with 9.
Ferros: days with 100 mm (3.94 in) or more of precipitation in 14 years, most in 1952 with 2.
4 fixed thresholds have at least one qualifying day at Ferros.

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

51 years with a qualifying day

Days per year at Ferros with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 75 in 1945.

Days with 10 mm (0.39 in) or more of precipitation per year at Ferros
Year	Days	Decade average
1942	50	49.5
1943	50	49.5
1944	40	49.5
1945	75	49.5
1946	37	49.5
1947	51	49.5
1948	50	49.5
1949	43	49.5
1950	37	38
1951	46	38
1952	54	38
1953	29	38
1954	10	38
1955	30	38
1956	45	38
1957	46	38
1958	41	38
1959	42	38
1960	48	43.5
1969	39	43.5
1970	27	36.5
1971	38	36.5
1972	39	36.5
1973	40	36.5
1974	33	36.5
1975	43	36.5
1976	36	36.5
1977	22	36.5
1978	34	36.5
1979	53	36.5
1980	51	41.3
1981	49	41.3
1982	38	41.3
1983	50	41.3
1984	17	41.3
1985	55	41.3
1986	36	41.3
1987	47	41.3
1988	34	41.3
1989	36	41.3
1990	29	37.1
1991	31	37.1
1992	54	37.1
1993	33	37.1
1994	25	37.1
1995	46	37.1
1996	36	37.1
1997	44	37.1
1998	35	37.1
1999	38	37.1
2000	45	45

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

First to last qualifying date each year at Ferros
Year	First date	Last date
1942	1942-01-02	1942-12-31
1943	1943-01-01	1943-12-24
1944	1944-01-17	1944-12-29
1945	1945-01-07	1945-12-31
1946	1946-01-02	1946-12-30
1947	1947-01-01	1947-12-29
1948	1948-01-07	1948-12-27
1949	1949-01-09	1949-12-30
1950	1950-01-03	1950-12-18
1951	1951-01-01	1951-12-30
1952	1952-01-01	1952-12-25
1953	1953-01-03	1953-12-23
1954	1954-01-01	1954-12-29
1955	1955-01-16	1955-12-30
1956	1956-01-01	1956-12-31
1957	1957-01-10	1957-12-24
1958	1958-01-09	1958-12-22
1959	1959-01-03	1959-12-31
1960	1960-01-10	1960-12-19
1969	1969-01-14	1969-12-26
1970	1970-01-06	1970-12-21
1971	1971-01-15	1971-12-18
1972	1972-01-25	1972-12-31
1973	1973-01-01	1973-12-29
1974	1974-01-02	1974-12-25
1975	1975-01-03	1975-12-27
1976	1976-02-01	1976-12-30
1977	1977-01-16	1977-12-24
1978	1978-01-03	1978-12-28
1979	1979-01-07	1979-12-28
1980	1980-01-02	1980-12-30
1981	1981-01-01	1981-12-29
1982	1982-01-05	1982-12-28
1983	1983-01-01	1983-12-26
1984	1984-01-07	1984-09-21
1985	1985-01-07	1985-12-28
1986	1986-01-02	1986-12-31
1987	1987-01-01	1987-12-25
1988	1988-01-02	1988-12-25
1989	1989-01-02	1989-12-21
1990	1990-01-05	1990-12-30
1991	1991-01-06	1991-12-27
1992	1992-01-04	1992-12-29
1993	1993-01-04	1993-12-31
1994	1994-01-01	1994-12-26
1995	1995-01-22	1995-12-30
1996	1996-01-01	1996-12-31
1997	1997-01-03	1997-12-18
1998	1998-01-09	1998-12-29
1999	1999-01-01	1999-12-25
2000	2000-01-02	2000-12-18

Every Fixed Threshold

Fixed thresholds at Ferros
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	51	75	1945	45
25 mm (0.98 in): Days with 25 mm or more rain	51	28	1945	19
50 mm (1.97 in): Days with 50 mm or more rain	49	9	1947	4
100 mm (3.94 in): Days with 100 mm or more rain	14	2	1952	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.

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Data for Ferros 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).

Ferros Threshold Days by Year (BR001943003)

Key Facts for Ferros Thresholds

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

Every Fixed Threshold

Download the Data

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