Pereiro Threshold Days by Year (BR038231070)

4 fixed thresholds counted per year at Pereiro (BR038231070): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Pereiro Thresholds

Pereiro: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1974 with 56.
Pereiro: days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 1920 with 27.
Pereiro: days with 50 mm (1.97 in) or more of precipitation in 60 years, most in 1940 with 14.
Pereiro: days with 100 mm (3.94 in) or more of precipitation in 16 years, most in 1952 with 2.
4 fixed thresholds have at least one qualifying day at Pereiro.

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

61 years with a qualifying day

Days per year at Pereiro with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 56 in 1974.

Days with 10 mm (0.39 in) or more of precipitation per year at Pereiro
Year	Days	Decade average
1912	50	32.5
1913	34	32.5
1914	39	32.5
1915	6	32.5
1916	30	32.5
1917	44	32.5
1918	47	32.5
1919	10	32.5
1920	45	39.7
1921	47	39.7
1922	45	39.7
1923	34	39.7
1924	49	39.7
1925	44	39.7
1926	35	39.7
1927	28	39.7
1928	25	39.7
1929	45	39.7
1939	38	38
1940	48	32.6
1941	29	32.6
1942	21	32.6
1943	27	32.6
1944	29	32.6
1945	40	32.6
1946	36	32.6
1948	29	32.6
1949	34	32.6
1950	31	29.2
1951	24	29.2
1952	24	29.2
1953	31	29.2
1954	29	29.2
1955	32	29.2
1956	34	29.2
1957	30	29.2
1958	18	29.2
1959	39	29.2
1960	32	35.2
1961	43	35.2
1962	31	35.2
1963	38	35.2
1964	51	35.2
1965	41	35.2
1966	24	35.2
1967	39	35.2
1968	29	35.2
1969	24	35.2
1970	15	35.4
1971	35	35.4
1972	28	35.4
1973	46	35.4
1974	56	35.4
1975	42	35.4
1976	27	35.4
1977	45	35.4
1978	35	35.4
1979	25	35.4
1980	29	24.3
1982	26	24.3
1983	18	24.3

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

First to last qualifying date each year at Pereiro
Year	First date	Last date
1912	1912-01-18	1912-09-27
1913	1913-01-06	1913-12-31
1914	1914-01-01	1914-08-17
1915	1915-02-02	1915-12-25
1916	1916-01-22	1916-12-31
1917	1917-01-02	1917-12-30
1918	1918-01-07	1918-12-31
1919	1919-01-01	1919-08-24
1920	1920-02-28	1920-12-31
1921	1921-01-02	1921-12-21
1922	1922-01-15	1922-12-02
1923	1923-01-14	1923-12-01
1924	1924-01-30	1924-11-23
1925	1925-01-10	1925-09-19
1926	1926-01-07	1926-07-05
1927	1927-02-15	1927-07-09
1928	1928-01-05	1928-12-01
1929	1929-01-11	1929-12-28
1939	1939-01-29	1939-10-28
1940	1940-01-07	1940-08-28
1941	1941-01-05	1941-08-25
1942	1942-01-08	1942-12-19
1943	1943-01-27	1943-12-20
1944	1944-01-17	1944-12-22
1945	1945-01-13	1945-12-08
1946	1946-01-03	1946-12-21
1948	1948-01-18	1948-10-20
1949	1949-01-11	1949-11-27
1950	1950-01-14	1950-10-05
1951	1951-01-09	1951-12-14
1952	1952-02-08	1952-12-16
1953	1953-01-03	1953-11-28
1954	1954-01-12	1954-11-27
1955	1955-01-24	1955-06-21
1956	1956-02-01	1956-08-22
1957	1957-01-06	1957-06-22
1958	1958-01-14	1958-08-11
1959	1959-01-20	1959-08-10
1960	1960-02-07	1960-05-23
1961	1961-01-17	1961-07-18
1962	1962-01-22	1962-12-17
1963	1963-01-23	1963-12-28
1964	1964-01-05	1964-09-08
1965	1965-01-24	1965-12-28
1966	1966-02-02	1966-09-26
1967	1967-01-20	1967-12-28
1968	1968-01-10	1968-12-28
1969	1969-01-28	1969-07-20
1970	1970-01-23	1970-04-24
1971	1971-01-12	1971-11-10
1972	1972-01-08	1972-12-22
1973	1973-01-05	1973-12-15
1974	1974-01-19	1974-12-28
1975	1975-01-19	1975-12-28
1976	1976-01-28	1976-11-26
1977	1977-01-05	1977-12-16
1978	1978-01-16	1978-11-30
1979	1979-01-15	1979-11-19
1980	1980-01-07	1980-12-20
1982	1982-01-22	1982-12-03
1983	1983-02-01	1983-07-15

Every Fixed Threshold

Fixed thresholds at Pereiro
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	56	1974	18
25 mm (0.98 in): Days with 25 mm or more rain	61	27	1920	6
50 mm (1.97 in): Days with 50 mm or more rain	60	14	1940	1
100 mm (3.94 in): Days with 100 mm or more rain	16	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 1912.

Download the Data

Data for Pereiro 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).

Pereiro Threshold Days by Year (BR038231070)

Key Facts for Pereiro Thresholds

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

Every Fixed Threshold

Download the Data

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