Weather Records on 12 September 1987

686 weather records were set or tied worldwide on 12 September 1987. Highest significance: Goulburn River @ Shepparton, AU.

Key Facts for 12 September 1987

On 12 September 1987, 686 weather records were set or tied at long-record stations worldwide.
301 were record highs and 127 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 19 monthly and 666 daily.
Goulburn River @ Shepparton set a daily record precipitation of 35.2 mm (1.4 in) on 12 September 1987.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 412 records.

Record Map

686 stations

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

Weather records on 12 September 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Goulburn River @ Shepparton	Australia	Record daily precipitation	35.2 mm (1.4 in)	73 of 100 (Major)
Notla 3 SE	United States	Record daily precipitation	66.0 mm (2.6 in)	55 of 100 (Notable)
Grand Marais 2 E	United States	Record daily precipitation	58.9 mm (2.3 in)	54 of 100 (Notable)
Iwami Airport	Japan	Record daily precipitation	169.5 mm (6.7 in)	53 of 100 (Notable)
Shippensburg	United States	Record daily precipitation	84.8 mm (3.3 in)	53 of 100 (Notable)
Iizuka	Japan	Record daily precipitation	101.0 mm (4.0 in)	50 of 100 (Notable)
Sugartown	United States	Record daily precipitation	47.2 mm (1.9 in)	49 of 100 (Notable)
Malmesbury	South Africa	Record daily precipitation	32.0 mm (1.3 in)	48 of 100 (Notable)
Wellington	United States	Record daily precipitation	42.7 mm (1.7 in)	48 of 100 (Notable)
Iwakuni	Japan	Record daily precipitation	108.2 mm (4.3 in)	46 of 100 (Notable)
Niceville	United States	Record daily precipitation	123.7 mm (4.9 in)	46 of 100 (Notable)
Nueva Esperanza	Mexico	Record high minimum temperature	26.7 C (80.1 F)	44 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record high maximum temperature	17.6 C (63.7 F)	44 of 100 (Notable)
Fredonia	United States	Record daily precipitation	47.0 mm (1.9 in)	42 of 100 (Notable)
Clarence	United States	Record daily precipitation	69.9 mm (2.8 in)	42 of 100 (Notable)
Canadian	United States	Record daily precipitation	34.5 mm (1.4 in)	42 of 100 (Notable)
Prachin Buri	Thailand	Record daily precipitation	194.1 mm (7.6 in)	41 of 100 (Notable)
Waiakea Scd 88.2	United States	Record daily precipitation	95.3 mm (3.8 in)	41 of 100 (Notable)
Winthrop UNIV	United States	Record daily precipitation	50.3 mm (2.0 in)	40 of 100 (Notable)
Verhojansk	Russia	Record low minimum temperature	-11.9 C (10.6 F)	38 of 100 (Notable)
Chanthaburi	Thailand	Record daily precipitation	138.9 mm (5.5 in)	38 of 100 (Notable)
Camilla 3SE	United States	Record high minimum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Mora	United States	Record low minimum temperature	-4.4 C (24.1 F)	38 of 100 (Notable)
Greenville 2 NE	United States	Record daily precipitation	53.3 mm (2.1 in)	38 of 100 (Notable)
Sevierville	United States	Record daily precipitation	52.1 mm (2.1 in)	37 of 100 (Notable)
Paauhau 217	United States	Record daily precipitation	33.8 mm (1.3 in)	37 of 100 (Notable)
Saga	Japan	Record daily precipitation	89.0 mm (3.5 in)	36 of 100 (Notable)
Cuautla (Smn)	Mexico	Record high minimum temperature	21.7 C (71.1 F)	36 of 100 (Notable)
Booker	United States	Record daily precipitation	34.0 mm (1.3 in)	36 of 100 (Notable)
Ookala 223	United States	Record daily precipitation	56.6 mm (2.2 in)	36 of 100 (Notable)
Huili	China	Record daily precipitation	74.9 mm (2.9 in)	35 of 100 (Notable)
Creekside	United States	Record daily precipitation	43.7 mm (1.7 in)	35 of 100 (Notable)
Cookeville	United States	Record daily precipitation	53.3 mm (2.1 in)	35 of 100 (Notable)
Salvatierra	Mexico	Record high maximum temperature	32.8 C (91.0 F)	34 of 100 (Routine)
Marlinton	United States	Record daily precipitation	37.8 mm (1.5 in)	34 of 100 (Routine)
Andira Anell/Cesp	Brazil	Record daily precipitation	42.2 mm (1.7 in)	33 of 100 (Routine)
Lisboa Geofisica	Portugal	Record high maximum temperature	36.9 C (98.4 F)	33 of 100 (Routine)
Winter Haven	United States	Record daily precipitation	59.7 mm (2.4 in)	33 of 100 (Routine)
Norton 9SSE	United States	Record low minimum temperature	3.9 C (39.0 F)	33 of 100 (Routine)
Freedom	United States	Record daily precipitation	31.5 mm (1.2 in)	33 of 100 (Routine)
Louisa	United States	Record daily precipitation	72.9 mm (2.9 in)	33 of 100 (Routine)
Dutch Harbor	United States	Record low minimum temperature	1.7 C (35.1 F)	33 of 100 (Routine)
Fazenda Juca Casimiro	Brazil	Record daily precipitation	70.8 mm (2.8 in)	32 of 100 (Routine)
Walnut Grove	United States	Record daily precipitation	67.3 mm (2.6 in)	32 of 100 (Routine)
Hemlock	United States	Record daily precipitation	33.0 mm (1.3 in)	32 of 100 (Routine)
Huichapan	Mexico	Record low maximum temperature	13.9 C (57.0 F)	31 of 100 (Routine)
Sta. Cruz de Tenerife	Spain	Record high maximum temperature	36.0 C (96.8 F)	31 of 100 (Routine)
Quata	Brazil	Record daily precipitation	27.8 mm (1.1 in)	30 of 100 (Routine)
Shimonoseki	Japan	Record daily precipitation	96.0 mm (3.8 in)	30 of 100 (Routine)
Tangancicuaro	Mexico	Record low minimum temperature	5.0 C (41.0 F)	30 of 100 (Routine)
Stehag	Sweden	Record daily precipitation	33.0 mm (1.3 in)	30 of 100 (Routine)
Cleveland	United States	Record high minimum temperature	23.9 C (75.0 F)	30 of 100 (Routine)
Whitesville 1N	United States	Record daily precipitation	50.3 mm (2.0 in)	30 of 100 (Routine)
Asheville AP	United States	Record daily precipitation	44.5 mm (1.8 in)	30 of 100 (Routine)
Oak Ridge Atdd	United States	Record daily precipitation	64.0 mm (2.5 in)	30 of 100 (Routine)
Hiroshima	Japan	Record daily precipitation	90.5 mm (3.6 in)	29 of 100 (Routine)
Palo Verde	Mexico	Record high maximum temperature	30.0 C (86.0 F)	29 of 100 (Routine)
Nome AP	United States	Record low minimum temperature	-4.4 C (24.1 F)	29 of 100 (Routine)
Le Bourget	France	Record high minimum temperature	18.4 C (65.1 F)	28 of 100 (Routine)
Kure Reg Met HQ	Japan	Record daily precipitation	97.5 mm (3.8 in)	28 of 100 (Routine)

Counts by Type and Timescale

686 records

Records set or tied on 12 September 1987 by type: Highest daily maximum 140, Lowest daily maximum 55, Highest daily minimum 161, Lowest daily minimum 72, Heaviest daily rainfall 257, Heaviest daily snowfall 1.

Records on 12 September 1987 by type
Record type	Records
Highest daily maximum	140
Lowest daily maximum	55
Highest daily minimum	161
Lowest daily minimum	72
Heaviest daily rainfall	257
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 12 September 1987 by timescale: all-time 1, monthly 19, daily 666.

How Much Records Were Beaten By

508 broken records

Margins by which the 508 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 115.5. Ties are not counted.

Top 20 by Significance

12 September 1987

Top 20 records on 12 September 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1987	Goulburn River @ Shepparton, AU	daily rain	35.2 mm (1.4 in)	23.0 mm (0.9 in)	101 years	73 of 100 (Major)
12 September 1987	Notla 3 SE, US	daily rain	66.0 mm (2.6 in)	60.7 mm (2.4 in)	40 years	55 of 100 (Notable)
12 September 1987	Grand Marais 2 E, US	daily rain	58.9 mm (2.3 in)	39.6 mm (1.6 in)	33 years	54 of 100 (Notable)
12 September 1987	Iwami Airport, JP	daily rain	169.5 mm (6.7 in)	115.5 mm (4.5 in)	34 years	53 of 100 (Notable)
12 September 1987	Shippensburg, US	daily rain	84.8 mm (3.3 in)	59.9 mm (2.4 in)	21 years	53 of 100 (Notable)
12 September 1987	Iizuka, JP	daily rain	101.0 mm (4.0 in)	83.8 mm (3.3 in)	28 years	50 of 100 (Notable)
12 September 1987	Sugartown, US	daily rain	47.2 mm (1.9 in)	30.2 mm (1.2 in)	92 years	49 of 100 (Notable)
12 September 1987	Malmesbury, ZA	daily rain	32.0 mm (1.3 in)	9.9 mm (0.39 in)	80 years	48 of 100 (Notable)
12 September 1987	Wellington, US	daily rain	42.7 mm (1.7 in)	29.2 mm (1.1 in)	73 years	48 of 100 (Notable)
12 September 1987	Iwakuni, JP	daily rain	108.2 mm (4.3 in)	87.6 mm (3.4 in)	10 years	46 of 100 (Notable)
12 September 1987	Niceville, US	daily rain	123.7 mm (4.9 in)	72.4 mm (2.9 in)	52 years	46 of 100 (Notable)
12 September 1987	Nueva Esperanza, MX	daily high min	26.7 C (80.1 F)	3.4 C (6.1 F)	25 years	44 of 100 (Notable)
12 September 1987	Col du Grand St-Bernard, CH	daily high max	17.6 C (63.7 F)	1.8 C (3.2 F)	100 years	44 of 100 (Notable)
12 September 1987	Fredonia, US	daily rain	47.0 mm (1.9 in)	25.7 mm (1.0 in)	52 years	42 of 100 (Notable)
12 September 1987	Clarence, US	daily rain	69.9 mm (2.8 in)	37.4 mm (1.5 in)	26 years	42 of 100 (Notable)
12 September 1987	Canadian, US	daily rain	34.5 mm (1.4 in)	22.3 mm (0.9 in)	61 years	42 of 100 (Notable)
12 September 1987	Prachin Buri, TH	all-time rain	194.1 mm (7.6 in)	26.1 mm (1.0 in)	23 years	41 of 100 (Notable)
12 September 1987	Waiakea Scd 88.2, US	daily rain	95.3 mm (3.8 in)	58.7 mm (2.3 in)	28 years	41 of 100 (Notable)
12 September 1987	Winthrop UNIV, US	daily rain	50.3 mm (2.0 in)	16.3 mm (0.6 in)	80 years	40 of 100 (Notable)
12 September 1987	Verhojansk, RU	daily low min	-11.9 C (10.6 F)	2.6 C (4.7 F)	82 years	38 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

1793 to 1987

Records set or tied on this calendar date in each year from 1793 to 1987. 1987 had 686 records.

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

Records on 09-12 in each year
Year	Records
1793	2
1809	1
1813	1
1814	2
1834	1
1837	2
1839	1
1847	1
1848	1
1854	4
1859	2
1860	2
1865	2
1866	1
1867	1
1868	2
1869	1
1872	2
1876	1
1878	1
1880	1
1881	1
1882	1
1884	2
1885	2
1886	1
1887	2
1888	2
1889	1
1891	4
1892	1
1893	4
1894	1
1895	5
1896	2
1897	3
1898	3
1899	4
1900	1
1901	5
1902	11
1903	18
1904	7
1905	8
1906	24
1907	11
1908	12
1909	11
1910	4
1911	15
1912	20
1913	12
1914	49
1915	71
1916	21
1917	231
1918	42
1919	69
1920	49
1921	60
1922	136
1923	33
1924	177
1925	443
1926	89
1927	339
1928	155
1929	118
1930	198
1931	648
1932	199
1933	360
1934	176
1935	441
1936	515
1937	318
1938	332
1939	702
1940	891
1941	172
1942	337
1943	544
1944	393
1945	414
1946	302
1947	596
1948	292
1949	512
1950	578
1951	399
1952	575
1953	515
1954	313
1955	457
1956	389
1957	727
1958	783
1959	536
1960	772
1961	750
1962	407
1963	466
1964	836
1965	459
1966	416
1967	510
1968	428
1969	558
1970	619
1971	593
1972	430
1973	588
1974	575
1975	1,102
1976	539
1977	524
1978	952
1979	765
1980	511
1981	424
1982	993
1983	915
1984	700
1985	876
1986	787
1987	686
1988	997
1989	1,313
1990	1,001
1991	672
1992	767
1993	798
1994	550
1995	532
1996	1,014
1997	737
1998	1,770
1999	938
2000	1,188
2001	797
2002	883
2003	830
2004	653
2005	1,032
2006	963
2007	776
2008	1,213
2009	876
2010	939
2011	988
2012	639
2013	1,066
2014	1,374
2015	704
2016	748
2017	1,114
2018	595
2019	884
2020	566
2021	513
2022	739
2023	844
2024	1,009
2025	433
2026	627

Download the Data

Data for records on 1987-09-12: 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 20	459
20 to 40	36
40 to 60	6
60 to 80	4
80 to 100	2
100 to 120	1