Piracicaba Threshold Days by Year (BR002247056)

4 fixed thresholds counted per year at Piracicaba (BR002247056): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Piracicaba Thresholds

Piracicaba: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1976 with 65.
Piracicaba: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1976 with 26.
Piracicaba: days with 50 mm (1.97 in) or more of precipitation in 35 years, most in 1938 with 8.
Piracicaba: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1969 with 1.
4 fixed thresholds have at least one qualifying day at Piracicaba.

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

44 years with a qualifying day

Days per year at Piracicaba with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 65 in 1976.

Days with 10 mm (0.39 in) or more of precipitation per year at Piracicaba
Year	Days	Decade average
1931	18	35.8
1932	39	35.8
1933	33	35.8
1938	50	35.8
1939	39	35.8
1940	37	35.9
1941	35	35.9
1942	30	35.9
1943	42	35.9
1944	32	35.9
1945	40	35.9
1946	27	35.9
1947	53	35.9
1948	33	35.9
1949	30	35.9
1950	45	50.7
1951	43	50.7
1952	41	50.7
1953	47	50.7
1954	45	50.7
1955	57	50.7
1956	63	50.7
1957	64	50.7
1958	64	50.7
1959	38	50.7
1960	37	38.7
1961	30	38.7
1962	49	38.7
1963	27	38.7
1964	47	38.7
1965	47	38.7
1966	36	38.7
1967	45	38.7
1968	35	38.7
1969	34	38.7
1971	32	43.4
1973	39	43.4
1974	43	43.4
1975	41	43.4
1976	65	43.4
1977	49	43.4
1978	37	43.4
1979	41	43.4
1980	39	39

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

First to last qualifying date each year at Piracicaba
Year	First date	Last date
1931	1931-02-17	1931-12-28
1932	1932-01-15	1932-12-29
1933	1933-01-14	1933-12-31
1938	1938-01-01	1938-12-27
1939	1939-01-01	1939-12-29
1940	1940-01-08	1940-12-27
1941	1941-01-01	1941-12-31
1942	1942-01-10	1942-12-25
1943	1943-01-12	1943-12-28
1944	1944-01-10	1944-12-10
1945	1945-01-02	1945-12-27
1946	1946-01-01	1946-12-25
1947	1947-01-03	1947-12-20
1948	1948-01-12	1948-12-18
1949	1949-01-11	1949-12-26
1950	1950-01-02	1950-12-31
1951	1951-01-02	1951-12-31
1952	1952-01-01	1952-12-31
1953	1953-01-01	1953-12-28
1954	1954-01-02	1954-12-23
1955	1955-01-02	1955-12-31
1956	1956-01-23	1956-12-24
1957	1957-01-05	1957-12-22
1958	1958-01-11	1958-12-21
1959	1959-01-03	1959-12-28
1960	1960-01-06	1960-12-29
1961	1961-01-01	1961-12-28
1962	1962-01-07	1962-12-31
1963	1963-01-01	1963-12-28
1964	1964-01-01	1964-12-25
1965	1965-01-03	1965-12-14
1966	1966-01-02	1966-12-22
1967	1967-01-02	1967-12-21
1968	1968-01-01	1968-12-30
1969	1969-01-07	1969-12-31
1971	1971-01-01	1971-12-28
1973	1973-01-04	1973-12-30
1974	1974-01-04	1974-12-30
1975	1975-01-09	1975-12-30
1976	1976-01-03	1976-12-27
1977	1977-01-03	1977-12-23
1978	1978-01-11	1978-12-30
1979	1979-01-04	1979-12-31
1980	1980-01-01	1980-12-30

Every Fixed Threshold

Fixed thresholds at Piracicaba
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	44	65	1976	39
25 mm (0.98 in): Days with 25 mm or more rain	44	26	1976	19
50 mm (1.97 in): Days with 50 mm or more rain	35	8	1938	1
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1969	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1931.

Download the Data

Data for Piracicaba 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).

Piracicaba Threshold Days by Year (BR002247056)

Key Facts for Piracicaba Thresholds

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

Every Fixed Threshold

Download the Data

Related