Weather Records on 12 May 1987

1,295 weather records were set or tied worldwide on 12 May 1987. Highest significance: Springbrook Forestry, AU.

Key Facts for 12 May 1987

On 12 May 1987, 1,295 weather records were set or tied at long-record stations worldwide.
532 were record highs and 183 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 28 monthly and 1,265 daily.
Springbrook Forestry set a daily record precipitation of 325.0 mm (12.8 in) on 12 May 1987.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 448 records.

Record Map

1,295 stations

1,295 station records on 12 May 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Springbrook Forestry	Australia	Record daily precipitation	325.0 mm (12.8 in)	64 of 100 (Major)
Extremadura	Brazil	Record daily precipitation	147.1 mm (5.8 in)	63 of 100 (Major)
Galia	Brazil	Record daily precipitation	85.8 mm (3.4 in)	58 of 100 (Notable)
Itapebi	Brazil	Record daily precipitation	119.4 mm (4.7 in)	56 of 100 (Notable)
Iacri	Brazil	Record daily precipitation	105.6 mm (4.2 in)	56 of 100 (Notable)
Cabralia Paulista	Brazil	Record daily precipitation	66.8 mm (2.6 in)	56 of 100 (Notable)
Lake Victoria (Nulla)	Australia	Record daily precipitation	36.6 mm (1.4 in)	53 of 100 (Notable)
Usina Ester	Brazil	Record daily precipitation	67.6 mm (2.7 in)	53 of 100 (Notable)
Stansbury	Australia	Record daily precipitation	28.0 mm (1.1 in)	51 of 100 (Notable)
Oriente	Brazil	Record daily precipitation	85.9 mm (3.4 in)	51 of 100 (Notable)
Ravensthorpe	Australia	Record daily precipitation	26.4 mm (1.0 in)	50 of 100 (Notable)
Fazenda Chantebled	Brazil	Record daily precipitation	68.3 mm (2.7 in)	50 of 100 (Notable)
Rinopolis	Brazil	Record daily precipitation	78.8 mm (3.1 in)	50 of 100 (Notable)
Socorro	Brazil	Record daily precipitation	54.6 mm (2.1 in)	50 of 100 (Notable)
Fazenda da Barra	Brazil	Record daily precipitation	56.4 mm (2.2 in)	50 of 100 (Notable)
Lencois Paulista	Brazil	Record daily precipitation	78.0 mm (3.1 in)	50 of 100 (Notable)
Sao Francisco da Corredeira	Brazil	Record daily precipitation	73.6 mm (2.9 in)	50 of 100 (Notable)
Nevada City	United States	Record high minimum temperature	16.1 C (61.0 F)	50 of 100 (Notable)
Bloomfield 3 SE	United States	Record daily precipitation	26.7 mm (1.1 in)	50 of 100 (Notable)
Merrinee	Australia	Record daily precipitation	38.4 mm (1.5 in)	49 of 100 (Notable)
Bastos	Brazil	Record daily precipitation	65.8 mm (2.6 in)	48 of 100 (Notable)
Bauru (Pdv)	Brazil	Record daily precipitation	60.2 mm (2.4 in)	48 of 100 (Notable)
Placerville	United States	Record high minimum temperature	17.2 C (63.0 F)	48 of 100 (Notable)
Nova Itapirema	Brazil	Record daily precipitation	78.9 mm (3.1 in)	47 of 100 (Notable)
Tupa	Brazil	Record daily precipitation	72.4 mm (2.9 in)	47 of 100 (Notable)
Pedra Bela	Brazil	Record daily precipitation	63.4 mm (2.5 in)	47 of 100 (Notable)
Charqueada	Brazil	Record daily precipitation	61.4 mm (2.4 in)	47 of 100 (Notable)
Diablo Dam	United States	Record daily precipitation	51.6 mm (2.0 in)	47 of 100 (Notable)
Artemis	Brazil	Record daily precipitation	61.7 mm (2.4 in)	46 of 100 (Notable)
Barra Mansa	Brazil	Record daily precipitation	93.3 mm (3.7 in)	46 of 100 (Notable)
Barkakra	Sweden	Record daily precipitation	25.3 mm (1.0 in)	46 of 100 (Notable)
Paisley	United States	Record high minimum temperature	18.9 C (66.0 F)	46 of 100 (Notable)
Itajobi	Brazil	Record daily precipitation	43.5 mm (1.7 in)	45 of 100 (Notable)
Usina Americana (Cpfl)	Brazil	Record daily precipitation	59.3 mm (2.3 in)	45 of 100 (Notable)
Piratininga	Brazil	Record daily precipitation	73.8 mm (2.9 in)	45 of 100 (Notable)
Cuatro Cienegas (Smn)	Mexico	Record high maximum temperature	45.0 C (113.0 F)	45 of 100 (Notable)
Nova Fatima	Brazil	Record daily precipitation	81.0 mm (3.2 in)	44 of 100 (Notable)
Itapira	Brazil	Record daily precipitation	53.9 mm (2.1 in)	44 of 100 (Notable)
Rio Claro	Brazil	Record daily precipitation	56.5 mm (2.2 in)	44 of 100 (Notable)
Val de Palmas	Brazil	Record daily precipitation	70.0 mm (2.8 in)	44 of 100 (Notable)
Queiroz	Brazil	Record daily precipitation	66.7 mm (2.6 in)	43 of 100 (Notable)
Santa Maria da Serra	Brazil	Record daily precipitation	50.7 mm (2.0 in)	43 of 100 (Notable)
Fernao Dias	Brazil	Record daily precipitation	61.2 mm (2.4 in)	43 of 100 (Notable)
Palmer 3 ESE	United States	Record daily precipitation	44.2 mm (1.7 in)	43 of 100 (Notable)
Tatarsk	Russia	Record high minimum temperature	15.9 C (60.6 F)	41 of 100 (Notable)
Visalia	United States	Record high minimum temperature	21.7 C (71.1 F)	40 of 100 (Notable)
Numinbah	Australia	Record daily precipitation	99.0 mm (3.9 in)	39 of 100 (Notable)
Araraquara	Brazil	Record daily precipitation	52.3 mm (2.1 in)	39 of 100 (Notable)
Usina Tres Saltos (Cpfl)	Brazil	Record daily precipitation	68.4 mm (2.7 in)	39 of 100 (Notable)
Satenas	Sweden	Record daily precipitation	31.1 mm (1.2 in)	39 of 100 (Notable)
Sedro-Woolley	United States	Record daily precipitation	36.3 mm (1.4 in)	39 of 100 (Notable)
Yankalilla	Australia	Record daily precipitation	27.2 mm (1.1 in)	38 of 100 (Notable)
Ellerslie Post Office	Australia	Record daily precipitation	26.0 mm (1.0 in)	38 of 100 (Notable)
Schotten	Germany	Record daily precipitation	39.9 mm (1.6 in)	38 of 100 (Notable)
Estacada 2 SE	United States	Record daily precipitation	35.1 mm (1.4 in)	38 of 100 (Notable)
Reginopolis	Brazil	Record daily precipitation	35.7 mm (1.4 in)	37 of 100 (Notable)
Fazenda Belmonte	Brazil	Record daily precipitation	52.4 mm (2.1 in)	37 of 100 (Notable)
Mineiros Do Tiete (Cpef)	Brazil	Record daily precipitation	59.0 mm (2.3 in)	37 of 100 (Notable)
Duartina	Brazil	Record daily precipitation	59.7 mm (2.4 in)	37 of 100 (Notable)
Presidente Alves	Brazil	Record daily precipitation	59.3 mm (2.3 in)	37 of 100 (Notable)

Counts by Type and Timescale

1,295 records

Records set or tied on 12 May 1987 by type: Highest daily maximum 182, Lowest daily maximum 108, Highest daily minimum 350, Lowest daily minimum 75, Heaviest daily rainfall 580.

Records on 12 May 1987 by type
Record type	Records
Highest daily maximum	182
Lowest daily maximum	108
Highest daily minimum	350
Lowest daily minimum	75
Heaviest daily rainfall	580
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 May 1987 by timescale: all-time 2, monthly 28, daily 1,265.

How Much Records Were Beaten By

1,113 broken records

Margins by which the 1,113 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 232.8. Ties are not counted.

Top 20 by Significance

12 May 1987

Top 20 records on 12 May 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1987	Springbrook Forestry, AU	daily rain	325.0 mm (12.8 in)	232.8 mm (9.2 in)	56 years	64 of 100 (Major)
12 May 1987	Extremadura, BR	monthly rain	147.1 mm (5.8 in)	61.1 mm (2.4 in)	33 years	63 of 100 (Major)
12 May 1987	Galia, BR	daily rain	85.8 mm (3.4 in)	64.8 mm (2.6 in)	48 years	58 of 100 (Notable)
12 May 1987	Itapebi, BR	monthly rain	119.4 mm (4.7 in)	50.4 mm (2.0 in)	9 years	56 of 100 (Notable)
12 May 1987	Iacri, BR	daily rain	105.6 mm (4.2 in)	93.8 mm (3.7 in)	40 years	56 of 100 (Notable)
12 May 1987	Cabralia Paulista, BR	daily rain	66.8 mm (2.6 in)	56.5 mm (2.2 in)	48 years	56 of 100 (Notable)
12 May 1987	Lake Victoria (Nulla), AU	daily rain	36.6 mm (1.4 in)	27.2 mm (1.1 in)	26 years	53 of 100 (Notable)
12 May 1987	Usina Ester, BR	daily rain	67.6 mm (2.7 in)	50.1 mm (2.0 in)	40 years	53 of 100 (Notable)
12 May 1987	Stansbury, AU	daily rain	28.0 mm (1.1 in)	18.9 mm (0.7 in)	26 years	51 of 100 (Notable)
12 May 1987	Oriente, BR	daily rain	85.9 mm (3.4 in)	76.9 mm (3.0 in)	21 years	51 of 100 (Notable)
12 May 1987	Ravensthorpe, AU	daily rain	26.4 mm (1.0 in)	16.7 mm (0.7 in)	53 years	50 of 100 (Notable)
12 May 1987	Fazenda Chantebled, BR	daily rain	68.3 mm (2.7 in)	58.1 mm (2.3 in)	21 years	50 of 100 (Notable)
12 May 1987	Rinopolis, BR	daily rain	78.8 mm (3.1 in)	63.6 mm (2.5 in)	20 years	50 of 100 (Notable)
12 May 1987	Socorro, BR	daily rain	54.6 mm (2.1 in)	46.4 mm (1.8 in)	20 years	50 of 100 (Notable)
12 May 1987	Fazenda da Barra, BR	daily rain	56.4 mm (2.2 in)	42.9 mm (1.7 in)	20 years	50 of 100 (Notable)
12 May 1987	Lencois Paulista, BR	daily rain	78.0 mm (3.1 in)	62.0 mm (2.4 in)	32 years	50 of 100 (Notable)
12 May 1987	Sao Francisco da Corredeira, BR	daily rain	73.6 mm (2.9 in)	63.6 mm (2.5 in)	21 years	50 of 100 (Notable)
12 May 1987	Nevada City, US	daily high min	16.1 C (61.0 F)	4.4 C (7.9 F)	93 years	50 of 100 (Notable)
12 May 1987	Bloomfield 3 SE, US	daily rain	26.7 mm (1.1 in)	20.3 mm (0.8 in)	4 years	50 of 100 (Notable)
12 May 1987	Merrinee, AU	daily rain	38.4 mm (1.5 in)	15.5 mm (0.6 in)	56 years	49 of 100 (Notable)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1814 to 1987

Records set or tied on this calendar date in each year from 1814 to 1987. 1987 had 1,295 records.

Counts for years before the ledger starts come from the same station rules.

Records on 05-12 in each year
Year	Records
1814	2
1823	1
1825	1
1827	1
1834	1
1837	1
1838	1
1845	1
1847	1
1848	1
1849	2
1851	1
1855	2
1860	2
1862	2
1863	1
1867	1
1868	1
1872	2
1874	1
1877	1
1878	1
1879	1
1881	4
1882	5
1884	3
1885	2
1886	3
1887	1
1888	1
1889	1
1890	1
1891	4
1894	1
1895	1
1896	1
1897	7
1898	3
1900	3
1901	6
1902	5
1903	7
1904	11
1905	10
1906	20
1907	53
1908	12
1909	4
1910	9
1911	37
1912	46
1913	6
1914	36
1915	50
1916	42
1917	54
1918	113
1919	42
1920	19
1921	64
1922	43
1923	109
1924	245
1925	275
1926	121
1927	167
1928	192
1929	172
1930	500
1931	350
1932	199
1933	476
1934	293
1935	404
1936	329
1937	214
1938	394
1939	233
1940	440
1941	568
1942	418
1943	803
1944	368
1945	389
1946	653
1947	286
1948	390
1949	414
1950	283
1951	427
1952	711
1953	891
1954	305
1955	265
1956	1,568
1957	454
1958	714
1959	740
1960	1,583
1961	381
1962	713
1963	777
1964	401
1965	196
1966	909
1967	810
1968	890
1969	506
1970	698
1971	668
1972	641
1973	393
1974	702
1975	418
1976	541
1977	855
1978	802
1979	763
1980	684
1981	855
1982	763
1983	1,281
1984	887
1985	1,199
1986	473
1987	1,295
1988	619
1989	856
1990	617
1991	1,177
1992	1,022
1993	1,208
1994	738
1995	1,190
1996	1,420
1997	921
1998	1,576
1999	881
2000	1,486
2001	1,015
2002	1,027
2003	861
2004	1,054
2005	1,369
2006	797
2007	630
2008	858
2009	687
2010	1,250
2011	1,119
2012	660
2013	689
2014	949
2015	958
2016	421
2017	529
2018	819
2019	784
2020	1,338
2021	712
2022	1,930
2023	429
2024	447
2025	940
2026	1,110

Download the Data

Data for records on 1987-05-12: CSV or JSON. Field meanings are on the data page.

Sources: 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)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 50	1,093
50 to 100	19
100 to 150	0
150 to 200	0
200 to 250	1