Weather Records on 20 September 1988

698 weather records were set or tied worldwide on 20 September 1988. Highest significance: Troicko-Pecherskoe, RU.

Key Facts for 20 September 1988

On 20 September 1988, 698 weather records were set or tied at long-record stations worldwide.
305 were record highs and 163 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 16 monthly and 681 daily.
Troicko-Pecherskoe set a daily record precipitation of 42.5 mm (1.7 in) on 20 September 1988.
Across 156 earlier years (1812 to 2026) the same calendar date averaged 440 records.

Record Map

698 stations

698 station records on 20 September 1988 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 September 1988: highest significance records shown on the map
Station	Country	Type	Value	Significance
Troicko-Pecherskoe	Russia	Record daily precipitation	42.5 mm (1.7 in)	71 of 100 (Major)
Solon Springs	United States	Record daily precipitation	97.0 mm (3.8 in)	68 of 100 (Major)
Hayward Rs	United States	Record daily precipitation	81.5 mm (3.2 in)	61 of 100 (Major)
Zuara	Libya	Record daily precipitation	33.0 mm (1.3 in)	60 of 100 (Major)
Gordon	United States	Record daily precipitation	129.3 mm (5.1 in)	53 of 100 (Notable)
El Oregano	Mexico	Record daily precipitation	64.5 mm (2.5 in)	51 of 100 (Notable)
Brule Rs	United States	Record daily precipitation	89.9 mm (3.5 in)	50 of 100 (Notable)
Lake Sabrina	United States	Record daily precipitation	30.5 mm (1.2 in)	47 of 100 (Notable)
Bolonchen	Mexico	Record daily precipitation	122.9 mm (4.8 in)	46 of 100 (Notable)
Amery	United States	Record daily precipitation	98.0 mm (3.9 in)	46 of 100 (Notable)
Stillwater 1 SE	United States	Record daily precipitation	57.2 mm (2.3 in)	44 of 100 (Notable)
Craigie (Bondi Forest Lodge)	Australia	Record daily precipitation	49.0 mm (1.9 in)	43 of 100 (Notable)
Jimma	Ethiopia	Record daily precipitation	54.1 mm (2.1 in)	42 of 100 (Notable)
Hastings	United States	Record daily precipitation	44.5 mm (1.8 in)	42 of 100 (Notable)
Couderay 7 W	United States	Record daily precipitation	72.4 mm (2.9 in)	42 of 100 (Notable)
Duas Bocas (Dnos)	Brazil	Record daily precipitation	100.0 mm (3.9 in)	41 of 100 (Notable)
Weyerhaeuser 1N	United States	Record daily precipitation	65.0 mm (2.6 in)	41 of 100 (Notable)
Prairie du Chien	United States	Record daily precipitation	48.3 mm (1.9 in)	40 of 100 (Notable)
Koumac (Nlle-Caledo	New Caledonia [France]	Record daily precipitation	710.0 mm (28.0 in)	39 of 100 (Notable)
Presa la Angostura	Mexico	Record daily precipitation	26.7 mm (1.1 in)	38 of 100 (Notable)
Tombstone	United States	Record low maximum temperature	21.1 C (70.0 F)	38 of 100 (Notable)
Redfield	United States	Record daily precipitation	25.9 mm (1.0 in)	38 of 100 (Notable)
Rinconada	Mexico	Record low minimum temperature	12.8 C (55.0 F)	37 of 100 (Notable)
Grand Rapids Forestry Lab	United States	Record daily precipitation	51.1 mm (2.0 in)	37 of 100 (Notable)
Monterey	United States	Record high minimum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Iconha-Montante	Brazil	Record daily precipitation	43.0 mm (1.7 in)	36 of 100 (Notable)
Rosendal	Norway	Record daily precipitation	52.9 mm (2.1 in)	36 of 100 (Notable)
Saginaw #3	United States	Record daily precipitation	28.7 mm (1.1 in)	36 of 100 (Notable)
Cumberland	United States	Record daily precipitation	65.0 mm (2.6 in)	36 of 100 (Notable)
Lynxville Dam 9	United States	Record daily precipitation	72.4 mm (2.9 in)	36 of 100 (Notable)
Colotlan (Dge)	Mexico	Record low minimum temperature	5.6 C (42.1 F)	35 of 100 (Notable)
Isabela Substn	Puerto Rico [United States]	Record low minimum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Shoshone 1 WNW	United States	Record low maximum temperature	12.2 C (54.0 F)	35 of 100 (Notable)
Larimore 4SW	United States	Record low maximum temperature	10.0 C (50.0 F)	35 of 100 (Notable)
New Castle 1 N	United States	Record high minimum temperature	20.0 C (68.0 F)	35 of 100 (Notable)
Warren	United States	Record high minimum temperature	19.4 C (66.9 F)	35 of 100 (Notable)
Indaial	Brazil	Record daily precipitation	59.5 mm (2.3 in)	34 of 100 (Routine)
Bolivar	United States	Record high minimum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Franklin	United States	Record high minimum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Purcellville	United States	Record high minimum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
Spooner Ag Rsch STN	United States	Record daily precipitation	69.3 mm (2.7 in)	34 of 100 (Routine)
Yautepec	Mexico	Record high maximum temperature	34.4 C (93.9 F)	33 of 100 (Routine)
Kent City 2 SW	United States	Record daily precipitation	32.0 mm (1.3 in)	33 of 100 (Routine)
Franklinville	United States	Record high minimum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Clark	United States	Record daily precipitation	54.1 mm (2.1 in)	33 of 100 (Routine)
Jerusalem Central	Israel	Record high minimum temperature	26.8 C (80.2 F)	32 of 100 (Routine)
Nakhon Sawan	Thailand	Record daily precipitation	103.1 mm (4.1 in)	32 of 100 (Routine)
Lake City	United States	Record daily precipitation	43.2 mm (1.7 in)	32 of 100 (Routine)
Columbia 8 N	United States	Record daily precipitation	29.7 mm (1.2 in)	32 of 100 (Routine)
Reedsburg Wwtp	United States	Record low maximum temperature	12.8 C (55.0 F)	32 of 100 (Routine)
Nagoya	Japan	Record daily precipitation	91.0 mm (3.6 in)	31 of 100 (Routine)
Charlotte	United States	Record daily precipitation	44.2 mm (1.7 in)	31 of 100 (Routine)
Montpelier	United States	Record daily precipitation	27.7 mm (1.1 in)	31 of 100 (Routine)
River Falls	United States	Record daily precipitation	47.0 mm (1.9 in)	31 of 100 (Routine)
Ust-Kulom	Russia	Record daily precipitation	27.4 mm (1.1 in)	30 of 100 (Routine)
Oakley	United States	Record low maximum temperature	9.4 C (48.9 F)	30 of 100 (Routine)
Baldwin	United States	Record daily precipitation	70.4 mm (2.8 in)	30 of 100 (Routine)
Walpole North Old	Australia	Record daily precipitation	33.0 mm (1.3 in)	29 of 100 (Routine)
San Francisco	Mexico	Record daily precipitation	68.1 mm (2.7 in)	29 of 100 (Routine)
Babuskin	Russia	Record high minimum temperature	10.1 C (50.2 F)	29 of 100 (Routine)

Counts by Type and Timescale

698 records

Records set or tied on 20 September 1988 by type: Highest daily maximum 94, Lowest daily maximum 111, Highest daily minimum 211, Lowest daily minimum 52, Heaviest daily rainfall 228, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 20 September 1988 by type
Record type	Records
Highest daily maximum	94
Lowest daily maximum	111
Highest daily minimum	211
Lowest daily minimum	52
Heaviest daily rainfall	228
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 20 September 1988 by timescale: all-time 1, monthly 16, daily 681.

How Much Records Were Beaten By

528 broken records

Margins by which the 528 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 627.0. Ties are not counted.

Top 20 by Significance

20 September 1988

Top 20 records on 20 September 1988 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 September 1988	Troicko-Pecherskoe, RU	daily rain	42.5 mm (1.7 in)	22.2 mm (0.9 in)	72 years	71 of 100 (Major)
20 September 1988	Solon Springs, US	monthly rain	97.0 mm (3.8 in)	28.4 mm (1.1 in)	72 years	68 of 100 (Major)
20 September 1988	Hayward Rs, US	daily rain	81.5 mm (3.2 in)	37.0 mm (1.5 in)	67 years	61 of 100 (Major)
20 September 1988	Zuara, LY	daily rain	33.0 mm (1.3 in)	31.0 mm (1.2 in)	49 years	60 of 100 (Major)
20 September 1988	Gordon, US	monthly rain	129.3 mm (5.1 in)	56.7 mm (2.2 in)	3 years	53 of 100 (Notable)
20 September 1988	El Oregano, MX	daily rain	64.5 mm (2.5 in)	54.8 mm (2.2 in)	26 years	51 of 100 (Notable)
20 September 1988	Brule Rs, US	daily rain	89.9 mm (3.5 in)	60.2 mm (2.4 in)	16 years	50 of 100 (Notable)
20 September 1988	Lake Sabrina, US	daily rain	30.5 mm (1.2 in)	22.4 mm (0.9 in)	12 years	47 of 100 (Notable)
20 September 1988	Bolonchen, MX	daily rain	122.9 mm (4.8 in)	92.9 mm (3.7 in)	11 years	46 of 100 (Notable)
20 September 1988	Amery, US	daily rain	98.0 mm (3.9 in)	78.4 mm (3.1 in)	3 years	46 of 100 (Notable)
20 September 1988	Stillwater 1 SE, US	daily rain	57.2 mm (2.3 in)	25.7 mm (1.0 in)	42 years	44 of 100 (Notable)
20 September 1988	Craigie (Bondi Forest Lodge), AU	daily rain	49.0 mm (1.9 in)	31.7 mm (1.2 in)	26 years	43 of 100 (Notable)
20 September 1988	Jimma, ET	daily rain	54.1 mm (2.1 in)	31.9 mm (1.3 in)	21 years	42 of 100 (Notable)
20 September 1988	Hastings, US	daily rain	44.5 mm (1.8 in)	15.3 mm (0.6 in)	69 years	42 of 100 (Notable)
20 September 1988	Couderay 7 W, US	daily rain	72.4 mm (2.9 in)	45.7 mm (1.8 in)	16 years	42 of 100 (Notable)
20 September 1988	Duas Bocas (Dnos), BR	daily rain	100.0 mm (3.9 in)	58.9 mm (2.3 in)	13 years	41 of 100 (Notable)
20 September 1988	Weyerhaeuser 1N, US	daily rain	65.0 mm (2.6 in)	37.1 mm (1.5 in)	16 years	41 of 100 (Notable)
20 September 1988	Prairie du Chien, US	daily rain	48.3 mm (1.9 in)	9.7 mm (0.38 in)	82 years	40 of 100 (Notable)
20 September 1988	Koumac (Nlle-Caledo, NC	daily rain	710.0 mm (28.0 in)	627.0 mm (24.7 in)	1 year	39 of 100 (Notable)
20 September 1988	Presa la Angostura, MX	daily rain	26.7 mm (1.1 in)	19.1 mm (0.8 in)	43 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

1812 to 1988

Records set or tied on this calendar date in each year from 1812 to 1988. 1988 had 698 records.

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

Records on 09-20 in each year
Year	Records
1812	1
1837	1
1840	1
1844	1
1848	2
1851	1
1852	1
1854	2
1855	1
1856	2
1859	2
1860	1
1862	1
1870	1
1871	2
1882	2
1883	1
1884	1
1886	2
1887	1
1888	2
1889	8
1891	4
1893	5
1894	1
1895	2
1896	1
1897	16
1898	4
1899	1
1900	2
1901	3
1902	3
1903	3
1904	12
1905	8
1906	22
1907	11
1908	24
1909	10
1910	8
1911	21
1912	34
1913	48
1914	28
1915	239
1916	28
1917	100
1918	59
1919	55
1920	64
1921	40
1922	52
1923	249
1924	329
1925	330
1926	129
1927	169
1928	144
1929	373
1930	102
1931	564
1932	270
1933	223
1934	349
1935	201
1936	133
1937	385
1938	506
1939	312
1940	591
1941	582
1942	436
1943	419
1944	466
1945	406
1946	766
1947	460
1948	454
1949	268
1950	435
1951	267
1952	434
1953	479
1954	628
1955	625
1956	985
1957	514
1958	410
1959	489
1960	352
1961	384
1962	707
1963	290
1964	482
1965	1,180
1966	414
1967	449
1968	617
1969	604
1970	591
1971	884
1972	582
1973	569
1974	771
1975	527
1976	375
1977	776
1978	1,216
1979	767
1980	567
1981	979
1982	911
1983	1,958
1984	895
1985	730
1986	743
1987	856
1988	698
1989	968
1990	743
1991	1,835
1992	718
1993	1,031
1994	788
1995	1,374
1996	1,077
1997	1,282
1998	1,157
1999	923
2000	908
2001	821
2002	845
2003	910
2004	1,156
2005	960
2006	732
2007	645
2008	648
2009	715
2010	1,497
2011	650
2012	549
2013	595
2014	577
2015	439
2016	778
2017	920
2018	1,020
2019	835
2020	630
2021	565
2022	786
2023	482
2024	596
2025	877
2026	682

Download the Data

Data for records on 1988-09-20: 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 100	527
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	0
500 to 600	0
600 to 700	1