Sao Romao (Pcd) Threshold Days by Year (BR001645000)

4 fixed thresholds counted per year at Sao Romao (Pcd) (BR001645000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sao Romao (Pcd) Thresholds

Sao Romao (Pcd): days with 10 mm (0.39 in) or more of precipitation in 47 years, most in 1992 with 54.
Sao Romao (Pcd): days with 25 mm (0.98 in) or more of precipitation in 47 years, most in 1992 with 29.
Sao Romao (Pcd): days with 50 mm (1.97 in) or more of precipitation in 46 years, most in 1979 with 6.
Sao Romao (Pcd): days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 1954 with 1.
4 fixed thresholds have at least one qualifying day at Sao Romao (Pcd).

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

47 years with a qualifying day

Days per year at Sao Romao (Pcd) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 54 in 1992.

Days with 10 mm (0.39 in) or more of precipitation per year at Sao Romao (Pcd)
Year	Days	Decade average
1953	25	28.5
1954	24	28.5
1955	27	28.5
1956	39	28.5
1958	31	28.5
1959	25	28.5
1960	38	32.9
1961	29	32.9
1962	44	32.9
1963	14	32.9
1964	42	32.9
1965	39	32.9
1966	31	32.9
1967	26	32.9
1968	35	32.9
1969	31	32.9
1970	28	33
1971	35	33
1972	36	33
1973	30	33
1974	39	33
1975	29	33
1976	33	33
1977	18	33
1978	42	33
1979	40	33
1980	35	31.7
1981	36	31.7
1982	28	31.7
1983	51	31.7
1984	23	31.7
1985	35	31.7
1986	25	31.7
1987	24	31.7
1988	30	31.7
1989	30	31.7
1990	24	31
1991	44	31
1992	54	31
1993	27	31
1994	30	31
1995	24	31
1996	21	31
1997	32	31
1998	25	31
1999	29	31
2000	33	33

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

First to last qualifying date each year at Sao Romao (Pcd)
Year	First date	Last date
1953	1953-01-06	1953-12-24
1954	1954-01-23	1954-12-11
1955	1955-01-16	1955-12-31
1956	1956-01-03	1956-12-29
1958	1958-01-12	1958-12-29
1959	1959-01-02	1959-12-30
1960	1960-01-01	1960-12-22
1961	1961-01-02	1961-12-30
1962	1962-01-01	1962-12-26
1963	1963-01-05	1963-12-29
1964	1964-01-02	1964-12-31
1965	1965-01-05	1965-12-31
1966	1966-01-02	1966-11-30
1967	1967-01-02	1967-12-28
1968	1968-01-06	1968-12-20
1969	1969-01-21	1969-12-28
1970	1970-01-06	1970-12-05
1971	1971-01-15	1971-12-24
1972	1972-01-20	1972-12-25
1973	1973-01-01	1973-12-31
1974	1974-01-03	1974-12-29
1975	1975-01-03	1975-12-16
1976	1976-01-31	1976-12-23
1977	1977-01-19	1977-11-30
1978	1978-01-07	1978-12-21
1979	1979-01-06	1979-12-31
1980	1980-01-03	1980-12-31
1981	1981-01-02	1981-12-31
1982	1982-01-02	1982-12-30
1983	1983-01-01	1983-12-27
1984	1984-01-10	1984-12-31
1985	1985-01-01	1985-12-30
1986	1986-01-02	1986-12-31
1987	1987-02-11	1987-12-26
1988	1988-01-01	1988-12-27
1989	1989-01-04	1989-12-21
1990	1990-02-14	1990-12-30
1991	1991-01-05	1991-12-29
1992	1992-01-05	1992-12-29
1993	1993-01-06	1993-12-23
1994	1994-01-03	1994-12-09
1995	1995-01-28	1995-12-31
1996	1996-01-02	1996-12-29
1997	1997-01-01	1997-12-18
1998	1998-01-08	1998-12-18
1999	1999-01-01	1999-12-25
2000	2000-01-01	2000-12-22

Every Fixed Threshold

Fixed thresholds at Sao Romao (Pcd)
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	47	54	1992	33
25 mm (0.98 in): Days with 25 mm or more rain	47	29	1992	14
50 mm (1.97 in): Days with 50 mm or more rain	46	6	1979	3
100 mm (3.94 in): Days with 100 mm or more rain	9	1	1954	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1953.

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Data for Sao Romao (Pcd) 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).

Sao Romao (Pcd) Threshold Days by Year (BR001645000)

Key Facts for Sao Romao (Pcd) Thresholds

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

Every Fixed Threshold

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