Weather Records on 12 September 1988

997 weather records were set or tied worldwide on 12 September 1988. Highest significance: Nordby (Fano), DK.

Key Facts for 12 September 1988

On 12 September 1988, 997 weather records were set or tied at long-record stations worldwide.
252 were record highs and 339 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 30 monthly and 965 daily.
Nordby (Fano) set a daily record precipitation of 47.5 mm (1.9 in) on 12 September 1988.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 410 records.

Record Map

997 stations

997 station records on 12 September 1988 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 1988: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nordby (Fano)	Denmark	Record daily precipitation	47.5 mm (1.9 in)	80 of 100 (Exceptional)
Cedaredge	United States	Record daily precipitation	34.5 mm (1.4 in)	63 of 100 (Major)
Macclesfield	Australia	Record daily precipitation	52.0 mm (2.0 in)	62 of 100 (Major)
Luna Rs	United States	Record daily precipitation	53.8 mm (2.1 in)	59 of 100 (Notable)
Coetzeekraal	South Africa	Record daily precipitation	43.5 mm (1.7 in)	54 of 100 (Notable)
Rifle	United States	Record daily precipitation	44.7 mm (1.8 in)	53 of 100 (Notable)
Moyston	Australia	Record daily precipitation	33.0 mm (1.3 in)	52 of 100 (Notable)
Cumming 2N	United States	Record daily precipitation	86.4 mm (3.4 in)	52 of 100 (Notable)
Bangalore	India	Record daily precipitation	178.1 mm (7.0 in)	51 of 100 (Notable)
Tafelberg Hall	South Africa	Record daily precipitation	29.0 mm (1.1 in)	51 of 100 (Notable)
Halmstad	Sweden	Record daily precipitation	34.6 mm (1.4 in)	51 of 100 (Notable)
Pyramid	United States	Record daily precipitation	47.8 mm (1.9 in)	51 of 100 (Notable)
Tenterfield (Federation Park)	Australia	Record daily precipitation	43.6 mm (1.7 in)	50 of 100 (Notable)
Yampa	United States	Record daily precipitation	28.2 mm (1.1 in)	50 of 100 (Notable)
Isabela Substn	Puerto Rico [United States]	Record high minimum temperature	25.6 C (78.1 F)	49 of 100 (Notable)
Oestersund-Froesoen	Sweden	Record daily precipitation	27.9 mm (1.1 in)	48 of 100 (Notable)
Carbondale Sewage Plt	United States	Record daily precipitation	107.2 mm (4.2 in)	48 of 100 (Notable)
Tossasen	Sweden	Record daily precipitation	54.9 mm (2.2 in)	47 of 100 (Notable)
Rosta	Sweden	Record daily precipitation	36.7 mm (1.4 in)	47 of 100 (Notable)
Bridgeport 5 NW	United States	Record daily precipitation	100.1 mm (3.9 in)	47 of 100 (Notable)
Inverell Comparison	Australia	Record high minimum temperature	13.3 C (55.9 F)	46 of 100 (Notable)
Edsele	Sweden	Record daily precipitation	53.1 mm (2.1 in)	46 of 100 (Notable)
Telluride 4WNW	United States	Record daily precipitation	39.4 mm (1.6 in)	46 of 100 (Notable)
Darwin Botanic Gardens	Australia	Record daily precipitation	38.2 mm (1.5 in)	45 of 100 (Notable)
Echunga Golf Course	Australia	Record daily precipitation	58.0 mm (2.3 in)	45 of 100 (Notable)
Santa Clara Do Ingai	Brazil	Record daily precipitation	102.4 mm (4.0 in)	45 of 100 (Notable)
Atnsjoen	Norway	Record daily precipitation	37.9 mm (1.5 in)	45 of 100 (Notable)
Jarpstrommen	Sweden	Record daily precipitation	34.6 mm (1.4 in)	45 of 100 (Notable)
Wallangarra Post Office	Australia	Record daily precipitation	30.2 mm (1.2 in)	44 of 100 (Notable)
Harnosand	Sweden	Record daily precipitation	61.8 mm (2.4 in)	44 of 100 (Notable)
Centennial 1NE	United States	Record daily snowfall	7.6 cm (3.0 in)	44 of 100 (Notable)
Kelvin (Kahana)	Australia	Record daily precipitation	38.3 mm (1.5 in)	43 of 100 (Notable)
Passo Tainhas	Brazil	Record daily precipitation	96.4 mm (3.8 in)	43 of 100 (Notable)
Passo Do Prata	Brazil	Record daily precipitation	85.3 mm (3.4 in)	43 of 100 (Notable)
Tomakomai	Japan	Record daily precipitation	95.5 mm (3.8 in)	43 of 100 (Notable)
Fairmount	United States	Record daily precipitation	76.2 mm (3.0 in)	43 of 100 (Notable)
N Bend SW Oregon Rgnl AP	United States	Record high maximum temperature	31.7 C (89.1 F)	43 of 100 (Notable)
Somerton Post Office	Australia	Record daily precipitation	37.4 mm (1.5 in)	42 of 100 (Notable)
Soldier Summit	United States	Record low maximum temperature	5.0 C (41.0 F)	42 of 100 (Notable)
Kanalohuluhulu 1075	United States	Record low maximum temperature	13.9 C (57.0 F)	42 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record low maximum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Hissmofors	Sweden	Record daily precipitation	32.3 mm (1.3 in)	41 of 100 (Notable)
Buena Vista 2S	United States	Record low maximum temperature	6.7 C (44.1 F)	41 of 100 (Notable)
Mudanjiang	China	Record daily precipitation	40.4 mm (1.6 in)	40 of 100 (Notable)
Rooisloot	South Africa	Record daily precipitation	30.0 mm (1.2 in)	40 of 100 (Notable)
Acland Post Office	Australia	Record daily precipitation	30.6 mm (1.2 in)	39 of 100 (Notable)
Mount Irving	Australia	Record daily precipitation	33.0 mm (1.3 in)	39 of 100 (Notable)
Timboon	Australia	Record daily precipitation	30.0 mm (1.2 in)	39 of 100 (Notable)
Flensburg (Schaferhaus)	Germany	Record daily precipitation	47.3 mm (1.9 in)	39 of 100 (Notable)
Sombrerete (Dge)	Mexico	Record low minimum temperature	5.6 C (42.1 F)	39 of 100 (Notable)
Guntersville	United States	Record daily precipitation	103.1 mm (4.1 in)	39 of 100 (Notable)
Chickamauga 2 SW	United States	Record daily precipitation	82.6 mm (3.3 in)	39 of 100 (Notable)
Castle Dale	United States	Record low maximum temperature	13.9 C (57.0 F)	39 of 100 (Notable)
Scipio	United States	Record low maximum temperature	13.3 C (55.9 F)	39 of 100 (Notable)
Nova Palmira	Brazil	Record daily precipitation	102.0 mm (4.0 in)	38 of 100 (Notable)
Arcadia	United States	Record high maximum temperature	35.6 C (96.1 F)	38 of 100 (Notable)
Purvis 2N	United States	Record daily precipitation	76.5 mm (3.0 in)	38 of 100 (Notable)
Parma	United States	Record daily precipitation	106.9 mm (4.2 in)	38 of 100 (Notable)
Loa	United States	Record low maximum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Bowenville	Australia	Record daily precipitation	30.2 mm (1.2 in)	37 of 100 (Notable)

Counts by Type and Timescale

997 records

Records set or tied on 12 September 1988 by type: Highest daily maximum 65, Lowest daily maximum 159, Highest daily minimum 187, Lowest daily minimum 180, Heaviest daily rainfall 392, Heaviest daily snowfall 11, Deepest snow cover 3.

Records on 12 September 1988 by type
Record type	Records
Highest daily maximum	65
Lowest daily maximum	159
Highest daily minimum	187
Lowest daily minimum	180
Heaviest daily rainfall	392
Heaviest daily snowfall	11
Deepest snow cover	3

Records on 12 September 1988 by timescale: all-time 2, monthly 30, daily 965.

How Much Records Were Beaten By

804 broken records

Margins by which the 804 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 135.2. Ties are not counted.

Top 20 by Significance

12 September 1988

Top 20 records on 12 September 1988 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1988	Nordby (Fano), DK	daily rain	47.5 mm (1.9 in)	24.9 mm (1.0 in)	102 years	80 of 100 (Exceptional)
12 September 1988	Cedaredge, US	daily rain	34.5 mm (1.4 in)	20.8 mm (0.8 in)	61 years	63 of 100 (Major)
12 September 1988	Macclesfield, AU	daily rain	52.0 mm (2.0 in)	21.5 mm (0.8 in)	71 years	62 of 100 (Major)
12 September 1988	Luna Rs, US	daily rain	53.8 mm (2.1 in)	25.1 mm (1.0 in)	61 years	59 of 100 (Notable)
12 September 1988	Coetzeekraal, ZA	daily rain	43.5 mm (1.7 in)	35.6 mm (1.4 in)	31 years	54 of 100 (Notable)
12 September 1988	Rifle, US	monthly rain	44.7 mm (1.8 in)	14.7 mm (0.6 in)	15 years	53 of 100 (Notable)
12 September 1988	Moyston, AU	daily rain	33.0 mm (1.3 in)	13.2 mm (0.5 in)	76 years	52 of 100 (Notable)
12 September 1988	Cumming 2N, US	daily rain	86.4 mm (3.4 in)	63.5 mm (2.5 in)	24 years	52 of 100 (Notable)
12 September 1988	Bangalore, IN	daily rain	178.1 mm (7.0 in)	135.2 mm (5.3 in)	10 years	51 of 100 (Notable)
12 September 1988	Tafelberg Hall, ZA	daily rain	29.0 mm (1.1 in)	16.8 mm (0.7 in)	72 years	51 of 100 (Notable)
12 September 1988	Halmstad, SE	daily rain	34.6 mm (1.4 in)	7.2 mm (0.28 in)	113 years	51 of 100 (Notable)
12 September 1988	Pyramid, US	daily rain	47.8 mm (1.9 in)	38.4 mm (1.5 in)	14 years	51 of 100 (Notable)
12 September 1988	Tenterfield (Federation Park), AU	daily rain	43.6 mm (1.7 in)	10.6 mm (0.4 in)	106 years	50 of 100 (Notable)
12 September 1988	Yampa, US	daily rain	28.2 mm (1.1 in)	9.9 mm (0.39 in)	79 years	50 of 100 (Notable)
12 September 1988	Isabela Substn, PR	daily high min	25.6 C (78.1 F)	2.3 C (4.1 F)	81 years	49 of 100 (Notable)
12 September 1988	Oestersund-Froesoen, SE	daily rain	27.9 mm (1.1 in)	4.7 mm (0.19 in)	99 years	48 of 100 (Notable)
12 September 1988	Carbondale Sewage Plt, US	monthly rain	107.2 mm (4.2 in)	13.2 mm (0.5 in)	66 years	48 of 100 (Notable)
12 September 1988	Tossasen, SE	monthly rain	54.9 mm (2.2 in)	19.6 mm (0.8 in)	3 years	47 of 100 (Notable)
12 September 1988	Rosta, SE	daily rain	36.7 mm (1.4 in)	18.8 mm (0.7 in)	19 years	47 of 100 (Notable)
12 September 1988	Bridgeport 5 NW, US	monthly rain	100.1 mm (3.9 in)	15.3 mm (0.6 in)	58 years	47 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 1988

Records set or tied on this calendar date in each year from 1793 to 1988. 1988 had 997 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 1988-09-12: 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	756
20 to 40	33
40 to 60	9
60 to 80	5
80 to 100	0
100 to 120	0
120 to 140	1