Guaiuba Threshold Days by Year (BR028820760)

4 fixed thresholds counted per year at Guaiuba (BR028820760): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Guaiuba Thresholds

Guaiuba: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1917 with 68.
Guaiuba: days with 25 mm (0.98 in) or more of precipitation in 34 years, most in 1973 with 30.
Guaiuba: days with 50 mm (1.97 in) or more of precipitation in 32 years, most in 1921 with 9.
Guaiuba: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1974 with 3.
4 fixed thresholds have at least one qualifying day at Guaiuba.

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

35 years with a qualifying day

Days per year at Guaiuba with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 68 in 1917.

Days with 10 mm (0.39 in) or more of precipitation per year at Guaiuba
Year	Days	Decade average
1916	37	39.3
1917	68	39.3
1918	40	39.3
1919	12	39.3
1920	38	43.5
1921	68	43.5
1922	45	43.5
1923	35	43.5
1924	62	43.5
1925	42	43.5
1926	37	43.5
1927	35	43.5
1928	26	43.5
1929	47	43.5
1962	32	42.9
1963	52	42.9
1964	48	42.9
1965	48	42.9
1967	44	42.9
1968	38	42.9
1969	38	42.9
1970	29	43.6
1971	44	43.6
1972	30	43.6
1973	56	43.6
1974	63	43.6
1975	61	43.6
1976	31	43.6
1977	66	43.6
1978	32	43.6
1979	24	43.6
1980	21	23.5
1981	26	23.5
1982	29	23.5
1983	18	23.5

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

First to last qualifying date each year at Guaiuba
Year	First date	Last date
1916	1916-01-19	1916-12-31
1917	1917-01-01	1917-11-27
1918	1918-01-09	1918-12-31
1919	1919-02-14	1919-08-11
1920	1920-02-15	1920-12-30
1921	1921-01-03	1921-12-05
1922	1922-01-24	1922-12-26
1923	1923-01-15	1923-11-23
1924	1924-01-24	1924-12-29
1925	1925-01-18	1925-09-18
1926	1926-01-28	1926-12-12
1927	1927-01-22	1927-12-07
1928	1928-01-05	1928-06-27
1929	1929-01-23	1929-12-02
1962	1962-01-23	1962-12-28
1963	1963-01-12	1963-12-29
1964	1964-01-02	1964-09-17
1965	1965-01-09	1965-10-05
1967	1967-02-03	1967-10-05
1968	1968-01-20	1968-12-28
1969	1969-01-22	1969-08-05
1970	1970-01-21	1970-11-08
1971	1971-01-21	1971-08-12
1972	1972-01-23	1972-08-23
1973	1973-01-02	1973-08-05
1974	1974-01-15	1974-12-28
1975	1975-01-20	1975-12-24
1976	1976-01-15	1976-10-16
1977	1977-01-15	1977-12-16
1978	1978-02-10	1978-12-06
1979	1979-01-20	1979-09-06
1980	1980-01-11	1980-09-03
1981	1981-01-10	1981-12-25
1982	1982-01-23	1982-12-18
1983	1983-02-05	1983-12-31

Every Fixed Threshold

Fixed thresholds at Guaiuba
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	35	68	1917	18
25 mm (0.98 in): Days with 25 mm or more rain	34	30	1973	7
50 mm (1.97 in): Days with 50 mm or more rain	32	9	1921	3
100 mm (3.94 in): Days with 100 mm or more rain	4	3	1974	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 Guaiuba 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).

Guaiuba Threshold Days by Year (BR028820760)

Key Facts for Guaiuba Thresholds

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

Every Fixed Threshold

Download the Data

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