Weather Records on 22 September 2018

574 weather records were set or tied worldwide on 22 September 2018. Highest significance: Pontotoc 1N, US.

Key Facts for 22 September 2018

On 22 September 2018, 574 weather records were set or tied at long-record stations worldwide.
371 were record highs and 43 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 16 monthly and 555 daily.
Pontotoc 1N set an all-time record daily precipitation of 329.7 mm (13.0 in) on 22 September 2018.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 427 records.

Record Map

574 stations

574 station records on 22 September 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 22 September 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pontotoc 1N	United States	Record daily precipitation	329.7 mm (13.0 in)	81 of 100 (Exceptional)
Arlington Six Flags	United States	Record daily precipitation	185.4 mm (7.3 in)	80 of 100 (Exceptional)
Aspermont	United States	Record daily precipitation	97.5 mm (3.8 in)	75 of 100 (Major)
Chandler	United States	Record daily precipitation	99.1 mm (3.9 in)	74 of 100 (Major)
Bonham 3NNE	United States	Record daily precipitation	265.9 mm (10.5 in)	73 of 100 (Major)
Frisco	United States	Record daily precipitation	223.3 mm (8.8 in)	68 of 100 (Major)
Anson	United States	Record daily precipitation	88.9 mm (3.5 in)	66 of 100 (Major)
Breckenridge	United States	Record daily precipitation	102.1 mm (4.0 in)	64 of 100 (Major)
Haskell	United States	Record daily precipitation	70.1 mm (2.8 in)	60 of 100 (Major)
Jackson Exp STN	United States	Record daily precipitation	95.3 mm (3.8 in)	58 of 100 (Notable)
Decatur	United States	Record daily precipitation	133.4 mm (5.3 in)	57 of 100 (Notable)
Duncan	United States	Record daily precipitation	158.0 mm (6.2 in)	56 of 100 (Notable)
Malvern	United States	Record daily precipitation	85.1 mm (3.4 in)	55 of 100 (Notable)
Waverly	United States	Record daily precipitation	35.1 mm (1.4 in)	55 of 100 (Notable)
Waynesboro	United States	Record daily precipitation	73.2 mm (2.9 in)	53 of 100 (Notable)
Elmore City 3 SW	United States	Record daily precipitation	110.5 mm (4.4 in)	52 of 100 (Notable)
Watonga	United States	Record daily precipitation	79.8 mm (3.1 in)	52 of 100 (Notable)
Wister 3S	United States	Record daily precipitation	176.3 mm (6.9 in)	52 of 100 (Notable)
Sherman	United States	Record daily precipitation	142.2 mm (5.6 in)	49 of 100 (Notable)
Norddal	Norway	Record daily precipitation	38.6 mm (1.5 in)	48 of 100 (Notable)
Geary	United States	Record daily precipitation	66.8 mm (2.6 in)	48 of 100 (Notable)
Shawnee	United States	Record daily precipitation	72.9 mm (2.9 in)	48 of 100 (Notable)
Colton	United States	Record daily precipitation	83.3 mm (3.3 in)	47 of 100 (Notable)
Dime Box	United States	Record daily precipitation	119.1 mm (4.7 in)	47 of 100 (Notable)
Medina 1NE	United States	Record daily precipitation	120.7 mm (4.8 in)	47 of 100 (Notable)
Richardson	United States	Record daily precipitation	96.0 mm (3.8 in)	47 of 100 (Notable)
Gronning	Norway	Record daily precipitation	56.0 mm (2.2 in)	46 of 100 (Notable)
Ashland	United States	Record daily precipitation	67.6 mm (2.7 in)	46 of 100 (Notable)
Chickasha Exp STN	United States	Record daily precipitation	70.4 mm (2.8 in)	46 of 100 (Notable)
Prague 2W	United States	Record daily precipitation	121.9 mm (4.8 in)	46 of 100 (Notable)
Stroud 3 N	United States	Record daily precipitation	98.6 mm (3.9 in)	46 of 100 (Notable)
Tyler Pounds Fld	United States	Record daily precipitation	47.2 mm (1.9 in)	46 of 100 (Notable)
Jersey: Airport	United Kingdom	Record daily precipitation	26.0 mm (1.0 in)	45 of 100 (Notable)
Comanche	United States	Record daily precipitation	106.2 mm (4.2 in)	45 of 100 (Notable)
Kingfisher	United States	Record daily precipitation	44.5 mm (1.8 in)	45 of 100 (Notable)
Norman 3SSE	United States	Record daily precipitation	83.3 mm (3.3 in)	45 of 100 (Notable)
Paducah 15S	United States	Record daily precipitation	85.1 mm (3.4 in)	45 of 100 (Notable)
Antelope	United States	Record daily precipitation	96.0 mm (3.8 in)	44 of 100 (Notable)
Ponza Island	Italy	Record high maximum temperature	36.5 C (97.7 F)	43 of 100 (Notable)
Ardmore	United States	Record daily precipitation	104.1 mm (4.1 in)	43 of 100 (Notable)
Lehigh 4 SW	United States	Record daily precipitation	186.7 mm (7.4 in)	43 of 100 (Notable)
Bertram 3 ENE	United States	Record daily precipitation	102.6 mm (4.0 in)	43 of 100 (Notable)
Monroe	United States	Record daily precipitation	45.0 mm (1.8 in)	43 of 100 (Notable)
Keo	United States	Record daily precipitation	75.9 mm (3.0 in)	42 of 100 (Notable)
Apache	United States	Record daily precipitation	92.2 mm (3.6 in)	42 of 100 (Notable)
Shreveport	United States	Record daily precipitation	97.3 mm (3.8 in)	42 of 100 (Notable)
Danevang 1 W	United States	Record high minimum temperature	26.1 C (79.0 F)	41 of 100 (Notable)
Parnu	Estonia	Record high maximum temperature	22.3 C (72.1 F)	40 of 100 (Notable)
Slapton	United Kingdom	Record daily precipitation	32.7 mm (1.3 in)	40 of 100 (Notable)
McGee Creek Dam	United States	Record daily precipitation	133.6 mm (5.3 in)	40 of 100 (Notable)
Seminole	United States	Record daily precipitation	109.2 mm (4.3 in)	40 of 100 (Notable)
Pitchfork Rch	United States	Record daily precipitation	53.8 mm (2.1 in)	39 of 100 (Notable)
Rainbow	United States	Record daily precipitation	79.5 mm (3.1 in)	39 of 100 (Notable)
Kargopol	Russia	Record high maximum temperature	22.5 C (72.5 F)	38 of 100 (Notable)
Crossett 2 SSE	United States	Record high minimum temperature	23.3 C (73.9 F)	38 of 100 (Notable)
Benbrook Dam	United States	Record daily precipitation	85.9 mm (3.4 in)	38 of 100 (Notable)
Longview	United States	Record high minimum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Svyatoy Nos;Cape(Closed)	Russia	Record high maximum temperature	16.0 C (60.8 F)	37 of 100 (Notable)
Shenkursk	Russia	Record high maximum temperature	23.0 C (73.4 F)	37 of 100 (Notable)
Trenton	United States	Record daily precipitation	197.6 mm (7.8 in)	37 of 100 (Notable)

Counts by Type and Timescale

574 records

Records set or tied on 22 September 2018 by type: Highest daily maximum 181, Lowest daily maximum 25, Highest daily minimum 190, Lowest daily minimum 18, Heaviest daily rainfall 160.

Records on 22 September 2018 by type
Record type	Records
Highest daily maximum	181
Lowest daily maximum	25
Highest daily minimum	190
Lowest daily minimum	18
Heaviest daily rainfall	160
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 22 September 2018 by timescale: all-time 3, monthly 16, daily 555.

How Much Records Were Beaten By

477 broken records

Margins by which the 477 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 176.5. Ties are not counted.

Top 20 by Significance

22 September 2018

Top 20 records on 22 September 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 September 2018	Pontotoc 1N, US	all-time rain	329.7 mm (13.0 in)	176.5 mm (6.9 in)	48 years	81 of 100 (Exceptional)
22 September 2018	Arlington Six Flags, US	monthly rain	185.4 mm (7.3 in)	77.4 mm (3.0 in)	69 years	80 of 100 (Exceptional)
22 September 2018	Aspermont, US	daily rain	97.5 mm (3.8 in)	56.9 mm (2.2 in)	103 years	75 of 100 (Major)
22 September 2018	Chandler, US	daily rain	99.1 mm (3.9 in)	66.1 mm (2.6 in)	104 years	74 of 100 (Major)
22 September 2018	Bonham 3NNE, US	monthly rain	265.9 mm (10.5 in)	84.3 mm (3.3 in)	51 years	73 of 100 (Major)
22 September 2018	Frisco, US	monthly rain	223.3 mm (8.8 in)	96.0 mm (3.8 in)	44 years	68 of 100 (Major)
22 September 2018	Anson, US	daily rain	88.9 mm (3.5 in)	55.9 mm (2.2 in)	117 years	66 of 100 (Major)
22 September 2018	Breckenridge, US	daily rain	102.1 mm (4.0 in)	78.5 mm (3.1 in)	47 years	64 of 100 (Major)
22 September 2018	Haskell, US	daily rain	70.1 mm (2.8 in)	36.3 mm (1.4 in)	117 years	60 of 100 (Major)
22 September 2018	Jackson Exp STN, US	daily rain	95.3 mm (3.8 in)	39.4 mm (1.6 in)	84 years	58 of 100 (Notable)
22 September 2018	Decatur, US	daily rain	133.4 mm (5.3 in)	73.7 mm (2.9 in)	52 years	57 of 100 (Notable)
22 September 2018	Duncan, US	monthly rain	158.0 mm (6.2 in)	45.5 mm (1.8 in)	47 years	56 of 100 (Notable)
22 September 2018	Malvern, US	daily rain	85.1 mm (3.4 in)	34.3 mm (1.4 in)	99 years	55 of 100 (Notable)
22 September 2018	Waverly, US	daily rain	35.1 mm (1.4 in)	24.4 mm (1.0 in)	104 years	55 of 100 (Notable)
22 September 2018	Waynesboro, US	daily rain	73.2 mm (2.9 in)	24.7 mm (1.0 in)	111 years	53 of 100 (Notable)
22 September 2018	Elmore City 3 SW, US	daily rain	110.5 mm (4.4 in)	81.5 mm (3.2 in)	24 years	52 of 100 (Notable)
22 September 2018	Watonga, US	daily rain	79.8 mm (3.1 in)	64.1 mm (2.5 in)	7 years	52 of 100 (Notable)
22 September 2018	Wister 3S, US	monthly rain	176.3 mm (6.9 in)	67.1 mm (2.6 in)	11 years	52 of 100 (Notable)
22 September 2018	Sherman, US	monthly rain	142.2 mm (5.6 in)	11.9 mm (0.5 in)	81 years	49 of 100 (Notable)
22 September 2018	Norddal, NO	daily rain	38.6 mm (1.5 in)	8.1 mm (0.32 in)	96 years	48 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 2018

Records set or tied on this calendar date in each year from 1793 to 2018. 2018 had 574 records.

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

Records on 09-22 in each year
Year	Records
1793	1
1796	1
1824	1
1825	1
1827	1
1830	1
1835	1
1838	1
1840	1
1842	2
1845	1
1846	1
1848	1
1851	3
1855	1
1856	1
1858	1
1863	1
1865	1
1868	1
1872	1
1874	1
1875	1
1877	4
1878	1
1881	2
1882	3
1885	1
1886	1
1888	1
1889	2
1890	2
1892	3
1893	1
1894	1
1895	7
1896	2
1897	3
1898	8
1899	12
1900	3
1901	3
1902	7
1903	4
1904	34
1905	5
1906	16
1907	12
1908	10
1909	6
1910	18
1911	17
1912	17
1913	43
1914	48
1915	23
1916	236
1917	128
1918	25
1919	64
1920	35
1921	44
1922	27
1923	118
1924	132
1925	265
1926	214
1927	160
1928	119
1929	166
1930	231
1931	732
1932	189
1933	230
1934	348
1935	231
1936	448
1937	507
1938	394
1939	266
1940	621
1941	424
1942	323
1943	266
1944	299
1945	739
1946	288
1947	583
1948	345
1949	385
1950	394
1951	419
1952	383
1953	253
1954	359
1955	584
1956	490
1957	580
1958	633
1959	416
1960	360
1961	555
1962	732
1963	351
1964	249
1965	841
1966	595
1967	507
1968	526
1969	488
1970	1,197
1971	500
1972	448
1973	509
1974	1,075
1975	591
1976	538
1977	632
1978	620
1979	991
1980	1,199
1981	754
1982	1,122
1983	2,060
1984	614
1985	820
1986	729
1987	1,300
1988	665
1989	1,155
1990	795
1991	758
1992	1,011
1993	1,448
1994	941
1995	2,498
1996	916
1997	851
1998	1,251
1999	1,172
2000	1,508
2001	604
2002	718
2003	1,472
2004	948
2005	1,155
2006	1,260
2007	896
2008	830
2009	985
2010	1,217
2011	611
2012	568
2013	673
2014	812
2015	666
2016	1,096
2017	1,272
2018	574
2019	651
2020	687
2021	432
2022	985
2023	905
2024	502
2025	387
2026	309

Download the Data

Data for records on 2018-09-22: 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 25	430
25 to 50	27
50 to 75	12
75 to 100	7
100 to 125	0
125 to 150	0
150 to 175	0
175 to 200	1