Weather Records on 18 September 2002

828 weather records were set or tied worldwide on 18 September 2002. Highest significance: Deadwood, US.

Key Facts for 18 September 2002

On 18 September 2002, 828 weather records were set or tied at long-record stations worldwide.
388 were record highs and 140 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 22 monthly and 806 daily.
Deadwood set a daily record precipitation of 74.9 mm (2.9 in) on 18 September 2002.
Across 163 earlier years (1803 to 2026) the same calendar date averaged 419 records.

Record Map

828 stations

828 station records on 18 September 2002 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 September 2002: highest significance records shown on the map
Station	Country	Type	Value	Significance
Deadwood	United States	Record daily precipitation	74.9 mm (2.9 in)	65 of 100 (Major)
Lead	United States	Record daily precipitation	77.5 mm (3.1 in)	65 of 100 (Major)
Lukachukai	United States	Record daily precipitation	38.1 mm (1.5 in)	59 of 100 (Notable)
Red Rvr	United States	Record daily precipitation	53.6 mm (2.1 in)	58 of 100 (Notable)
Snake Creek Powerhouse	United States	Record daily precipitation	51.3 mm (2.0 in)	55 of 100 (Notable)
Pelion 0.8 NW	United States	Record daily precipitation	157.5 mm (6.2 in)	53 of 100 (Notable)
El Varejonal	Mexico	Record daily precipitation	114.3 mm (4.5 in)	47 of 100 (Notable)
Mancos 1SW	United States	Record low maximum temperature	16.7 C (62.1 F)	46 of 100 (Notable)
Johvi	Estonia	Record daily precipitation	35.0 mm (1.4 in)	45 of 100 (Notable)
Covington	United States	Record daily precipitation	69.1 mm (2.7 in)	45 of 100 (Notable)
Cerro	United States	Record daily precipitation	30.7 mm (1.2 in)	45 of 100 (Notable)
Spearfish	United States	Record daily precipitation	49.3 mm (1.9 in)	45 of 100 (Notable)
Gas Hills 4E	United States	Record daily precipitation	30.7 mm (1.2 in)	45 of 100 (Notable)
Tres Piedras	United States	Record daily precipitation	27.7 mm (1.1 in)	44 of 100 (Notable)
Winston Salem Reynolds AP	United States	Record daily precipitation	67.3 mm (2.6 in)	44 of 100 (Notable)
Petropavlovskij Majak	Russia	Record high maximum temperature	19.5 C (67.1 F)	43 of 100 (Notable)
Bigfork 13 S	United States	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Geary	United States	Record daily precipitation	108.0 mm (4.3 in)	43 of 100 (Notable)
Centro Experimental W-75	Mexico	Record high minimum temperature	26.7 C (80.1 F)	42 of 100 (Notable)
Nieves	Mexico	Record daily precipitation	52.1 mm (2.1 in)	42 of 100 (Notable)
Pana	United States	Record daily precipitation	40.9 mm (1.6 in)	42 of 100 (Notable)
Cheraw	United States	Record high minimum temperature	22.2 C (72.0 F)	41 of 100 (Notable)
Kailua 446	United States	Record low maximum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Wallabadah (Woodton)	Australia	Record daily precipitation	32.4 mm (1.3 in)	40 of 100 (Notable)
Chilapa (Dge)	Mexico	Record high minimum temperature	20.6 C (69.1 F)	40 of 100 (Notable)
Peon Blanco	Mexico	Record daily precipitation	84.8 mm (3.3 in)	40 of 100 (Notable)
Copperhill	United States	Record daily precipitation	50.8 mm (2.0 in)	40 of 100 (Notable)
Hornos	Mexico	Record daily precipitation	66.3 mm (2.6 in)	38 of 100 (Notable)
East London	South Africa	Record low minimum temperature	3.2 C (37.8 F)	38 of 100 (Notable)
Cradle Valley (Waldheim)	Australia	Record daily precipitation	66.4 mm (2.6 in)	37 of 100 (Notable)
Guatenipa	Mexico	Record low maximum temperature	24.4 C (75.9 F)	37 of 100 (Notable)
Taylorville 2SE	United States	Record daily precipitation	49.5 mm (1.9 in)	37 of 100 (Notable)
Coolah (Coolah Creek)	Australia	Record daily precipitation	25.0 mm (1.0 in)	36 of 100 (Notable)
Ojuelos de Jalisco (Dge)	Mexico	Record daily precipitation	69.9 mm (2.8 in)	36 of 100 (Notable)
Zinder	Niger	Record low minimum temperature	18.4 C (65.1 F)	36 of 100 (Notable)
Meredith	United States	Record daily precipitation	27.7 mm (1.1 in)	36 of 100 (Notable)
Granville	United States	Record high minimum temperature	15.0 C (59.0 F)	36 of 100 (Notable)
Garah Post Office	Australia	Record daily precipitation	68.0 mm (2.7 in)	35 of 100 (Notable)
Las Cruces	Mexico	Record low maximum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
Cairo 1SW	United States	Record daily precipitation	61.0 mm (2.4 in)	35 of 100 (Notable)
Rochford 2 WNW	United States	Record daily precipitation	34.5 mm (1.4 in)	35 of 100 (Notable)
Uil	Kazakhstan	Record high minimum temperature	17.5 C (63.5 F)	34 of 100 (Routine)
Guadalupe	Mexico	Record daily precipitation	97.8 mm (3.9 in)	34 of 100 (Routine)
San Pablo	Mexico	Record daily precipitation	34.8 mm (1.4 in)	34 of 100 (Routine)
Jaskul	Russia	Record daily precipitation	30.7 mm (1.2 in)	34 of 100 (Routine)
Duncan	United States	Record high minimum temperature	20.6 C (69.1 F)	34 of 100 (Routine)
Brazos Lodge	United States	Record daily precipitation	33.5 mm (1.3 in)	34 of 100 (Routine)
Foxholm 7 N	United States	Record high minimum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Mt Pleasant	United States	Record high minimum temperature	23.9 C (75.0 F)	34 of 100 (Routine)
Pierce 1 E	United States	Record high minimum temperature	25.0 C (77.0 F)	34 of 100 (Routine)
Atyrau	Kazakhstan	Record high minimum temperature	18.5 C (65.3 F)	33 of 100 (Routine)
Sanalona II	Mexico	Record low maximum temperature	26.7 C (80.1 F)	33 of 100 (Routine)
Bacadehuachi	Mexico	Record high minimum temperature	25.6 C (78.1 F)	33 of 100 (Routine)
Climax	United States	Record daily snowfall	17.8 cm (7.0 in)	33 of 100 (Routine)
Ben Lomond (Koala)	Australia	Record daily precipitation	28.6 mm (1.1 in)	32 of 100 (Routine)
Santiago Ixcuintla	Mexico	Record low maximum temperature	28.9 C (84.0 F)	32 of 100 (Routine)
Thomasville 7 NE	United States	Record daily precipitation	45.7 mm (1.8 in)	32 of 100 (Routine)
Uralsk	Kazakhstan	Record high minimum temperature	16.2 C (61.2 F)	31 of 100 (Routine)
Canelo 1 NW	United States	Record high minimum temperature	17.2 C (63.0 F)	31 of 100 (Routine)
Bottineau	United States	Record high minimum temperature	13.9 C (57.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

828 records

Records set or tied on 18 September 2002 by type: Highest daily maximum 134, Lowest daily maximum 66, Highest daily minimum 254, Lowest daily minimum 74, Heaviest daily rainfall 293, Heaviest daily snowfall 6, Deepest snow cover 1.

Records on 18 September 2002 by type
Record type	Records
Highest daily maximum	134
Lowest daily maximum	66
Highest daily minimum	254
Lowest daily minimum	74
Heaviest daily rainfall	293
Heaviest daily snowfall	6
Deepest snow cover	1

Records on 18 September 2002 by timescale: all-time 0, monthly 22, daily 806.

How Much Records Were Beaten By

601 broken records

Margins by which the 601 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 153.0. Ties are not counted.

Top 20 by Significance

18 September 2002

Top 20 records on 18 September 2002 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 September 2002	Deadwood, US	daily rain	74.9 mm (2.9 in)	44.7 mm (1.8 in)	56 years	65 of 100 (Major)
18 September 2002	Lead, US	daily rain	77.5 mm (3.1 in)	40.7 mm (1.6 in)	56 years	65 of 100 (Major)
18 September 2002	Lukachukai, US	daily rain	38.1 mm (1.5 in)	31.7 mm (1.2 in)	36 years	59 of 100 (Notable)
18 September 2002	Red Rvr, US	monthly rain	53.6 mm (2.1 in)	18.8 mm (0.7 in)	14 years	58 of 100 (Notable)
18 September 2002	Snake Creek Powerhouse, US	monthly rain	51.3 mm (2.0 in)	7.6 mm (0.30 in)	85 years	55 of 100 (Notable)
18 September 2002	Pelion 0.8 NW, US	daily rain	157.5 mm (6.2 in)	119.1 mm (4.7 in)	27 years	53 of 100 (Notable)
18 September 2002	El Varejonal, MX	daily rain	114.3 mm (4.5 in)	73.4 mm (2.9 in)	37 years	47 of 100 (Notable)
18 September 2002	Mancos 1SW, US	daily low max	16.7 C (62.1 F)	3.3 C (5.9 F)	96 years	46 of 100 (Notable)
18 September 2002	Johvi, EE	daily rain	35.0 mm (1.4 in)	16.4 mm (0.6 in)	32 years	45 of 100 (Notable)
18 September 2002	Covington, US	daily rain	69.1 mm (2.7 in)	13.2 mm (0.5 in)	88 years	45 of 100 (Notable)
18 September 2002	Cerro, US	daily rain	30.7 mm (1.2 in)	17.2 mm (0.7 in)	36 years	45 of 100 (Notable)
18 September 2002	Spearfish, US	daily rain	49.3 mm (1.9 in)	19.6 mm (0.8 in)	56 years	45 of 100 (Notable)
18 September 2002	Gas Hills 4E, US	daily rain	30.7 mm (1.2 in)	21.3 mm (0.8 in)	24 years	45 of 100 (Notable)
18 September 2002	Tres Piedras, US	daily rain	27.7 mm (1.1 in)	12.0 mm (0.5 in)	65 years	44 of 100 (Notable)
18 September 2002	Winston Salem Reynolds AP, US	daily rain	67.3 mm (2.6 in)	34.8 mm (1.4 in)	41 years	44 of 100 (Notable)
18 September 2002	Petropavlovskij Majak, RU	daily high max	19.5 C (67.1 F)	1.8 C (3.2 F)	96 years	43 of 100 (Notable)
18 September 2002	Bigfork 13 S, US	daily rain	33.0 mm (1.3 in)	18.5 mm (0.7 in)	33 years	43 of 100 (Notable)
18 September 2002	Geary, US	daily rain	108.0 mm (4.3 in)	21.6 mm (0.9 in)	79 years	43 of 100 (Notable)
18 September 2002	Centro Experimental W-75, MX	monthly high min	26.7 C (80.1 F)	1.7 C (3.1 F)	41 years	42 of 100 (Notable)
18 September 2002	Nieves, MX	daily rain	52.1 mm (2.1 in)	32.0 mm (1.3 in)	8 years	42 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

1803 to 2002

Records set or tied on this calendar date in each year from 1803 to 2002. 2002 had 828 records.

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

Records on 09-18 in each year
Year	Records
1803	1
1811	1
1814	1
1819	1
1829	1
1832	1
1834	1
1835	1
1837	2
1847	2
1848	1
1849	1
1851	4
1859	1
1861	1
1865	1
1869	1
1871	1
1875	1
1876	2
1877	1
1879	1
1880	1
1881	1
1882	1
1885	1
1886	4
1889	6
1890	1
1891	1
1893	4
1894	2
1895	2
1896	4
1897	3
1898	5
1899	3
1900	2
1901	10
1902	8
1903	58
1904	6
1905	22
1906	16
1907	4
1908	11
1909	17
1910	5
1911	8
1912	43
1913	44
1914	56
1915	41
1916	58
1917	99
1918	57
1919	48
1920	56
1921	213
1922	45
1923	114
1924	62
1925	269
1926	205
1927	189
1928	114
1929	309
1930	124
1931	429
1932	226
1933	370
1934	188
1935	281
1936	155
1937	422
1938	373
1939	190
1940	402
1941	318
1942	1,001
1943	624
1944	503
1945	732
1946	576
1947	927
1948	427
1949	356
1950	370
1951	320
1952	340
1953	245
1954	446
1955	672
1956	587
1957	429
1958	491
1959	829
1960	351
1961	478
1962	360
1963	453
1964	282
1965	1,172
1966	498
1967	357
1968	763
1969	424
1970	377
1971	1,245
1972	691
1973	593
1974	559
1975	976
1976	615
1977	619
1978	1,162
1979	709
1980	652
1981	1,671
1982	603
1983	936
1984	951
1985	636
1986	730
1987	1,244
1988	997
1989	778
1990	904
1991	1,377
1992	821
1993	747
1994	852
1995	935
1996	1,237
1997	935
1998	1,038
1999	583
2000	1,146
2001	993
2002	828
2003	815
2004	1,027
2005	781
2006	1,309
2007	670
2008	697
2009	692
2010	1,040
2011	1,050
2012	922
2013	666
2014	682
2015	934
2016	893
2017	518
2018	1,200
2019	768
2020	682
2021	582
2022	613
2023	639
2024	687
2025	471
2026	864

Download the Data

Data for records on 2002-09-18: 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	574
20 to 40	18
40 to 60	4
60 to 80	2
80 to 100	0
100 to 120	1
120 to 140	0
140 to 160	2