Weather Records on 18 October 2002

878 weather records were set or tied worldwide on 18 October 2002. Highest significance: Edmore 4NW, US.

Key Facts for 18 October 2002

On 18 October 2002, 878 weather records were set or tied at long-record stations worldwide.
301 were record highs and 360 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 34 monthly and 843 daily.
Edmore 4NW set a daily record snowfall of 10.2 cm (4.0 in) on 18 October 2002.
Across 167 earlier years (1794 to 2025) the same calendar date averaged 431 records.

Record Map

878 stations

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

Weather records on 18 October 2002: highest significance records shown on the map
Station	Country	Type	Value	Significance
Edmore 4NW	United States	Record daily snowfall	10.2 cm (4.0 in)	63 of 100 (Major)
Eastland	United States	Record daily precipitation	117.1 mm (4.6 in)	62 of 100 (Major)
Zamora (Dge)	Mexico	Record daily precipitation	47.8 mm (1.9 in)	57 of 100 (Notable)
Tultenango	Mexico	Record daily precipitation	47.8 mm (1.9 in)	54 of 100 (Notable)
Pingliang	China	Record daily precipitation	31.6 mm (1.2 in)	53 of 100 (Notable)
Wadena 3 S	United States	Record daily snowfall	12.7 cm (5.0 in)	53 of 100 (Notable)
Ewa Plantation 741	United States	Record low maximum temperature	25.6 C (78.1 F)	52 of 100 (Notable)
Orandino	Mexico	Record daily precipitation	62.5 mm (2.5 in)	50 of 100 (Notable)
Bottineau	United States	Record daily snowfall	11.4 cm (4.5 in)	50 of 100 (Notable)
Wolfe City	United States	Record daily precipitation	144.3 mm (5.7 in)	50 of 100 (Notable)
Edmore 4NW	United States	Record snow depth	10.2 cm (4.0 in)	48 of 100 (Notable)
Mayville	United States	Record daily snowfall	5.1 cm (2.0 in)	46 of 100 (Notable)
Westhope	United States	Record daily snowfall	5.1 cm (2.0 in)	46 of 100 (Notable)
Voru	Estonia	Record snow depth	10.0 cm (3.9 in)	45 of 100 (Notable)
Gull Lake Dam	United States	Record daily snowfall	7.1 cm (2.8 in)	45 of 100 (Notable)
Long Prairie	United States	Record snow depth	10.2 cm (4.0 in)	45 of 100 (Notable)
Thorhult	United States	Record daily snowfall	7.6 cm (3.0 in)	45 of 100 (Notable)
Wadena 3 S	United States	Record snow depth	10.2 cm (4.0 in)	45 of 100 (Notable)
Chaparaco	Mexico	Record daily precipitation	54.9 mm (2.2 in)	44 of 100 (Notable)
Pitea	Sweden	Record low minimum temperature	-13.6 C (7.5 F)	43 of 100 (Notable)
Summit Lake	United States	Record daily snowfall	9.7 cm (3.8 in)	43 of 100 (Notable)
Dongtai	China	Record daily precipitation	53.4 mm (2.1 in)	42 of 100 (Notable)
Sveg	Sweden	Record low maximum temperature	-3.2 C (26.2 F)	42 of 100 (Notable)
Colville	United States	Record high maximum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Tizi Ouzou	Algeria	Record high minimum temperature	17.5 C (63.5 F)	41 of 100 (Notable)
Dinghai	China	Record daily precipitation	100.4 mm (4.0 in)	41 of 100 (Notable)
Ferris	United States	Record daily precipitation	87.9 mm (3.5 in)	41 of 100 (Notable)
Boulia Airport	Australia	Record high maximum temperature	43.1 C (109.6 F)	40 of 100 (Notable)
Texarkana Webb Fld	United States	Record daily precipitation	27.7 mm (1.1 in)	40 of 100 (Notable)
Carrington	United States	Record daily snowfall	5.1 cm (2.0 in)	39 of 100 (Notable)
Petersburg 2 N	United States	Record daily snowfall	8.9 cm (3.5 in)	39 of 100 (Notable)
Ewa Plantation 741	United States	Record high minimum temperature	22.8 C (73.0 F)	39 of 100 (Notable)
Kilauea 1134	United States	Record high minimum temperature	22.8 C (73.0 F)	39 of 100 (Notable)
San Marcos	Mexico	Record low minimum temperature	10.6 C (51.1 F)	38 of 100 (Notable)
Midland Odessa	United States	Record daily precipitation	29.5 mm (1.2 in)	38 of 100 (Notable)
Ouse (Millbrook)	Australia	Record daily precipitation	27.0 mm (1.1 in)	37 of 100 (Notable)
Ixtlahuaca (Smn)	Mexico	Record daily precipitation	49.3 mm (1.9 in)	37 of 100 (Notable)
Fredonia	United States	Record low minimum temperature	-9.4 C (15.1 F)	37 of 100 (Notable)
Kajaani Lentoasema-1	Finland	Record low minimum temperature	-19.7 C (-3.5 F)	36 of 100 (Notable)
Presa El Tigre	Mexico	Record daily precipitation	37.8 mm (1.5 in)	36 of 100 (Notable)
Cavalier 7NW	United States	Record daily snowfall	5.1 cm (2.0 in)	36 of 100 (Notable)
Falun	Sweden	Record low maximum temperature	0.4 C (32.7 F)	35 of 100 (Notable)
Presa Endho	Mexico	Record daily precipitation	25.4 mm (1.0 in)	34 of 100 (Routine)
Gaddede	Sweden	Record low minimum temperature	-11.6 C (11.1 F)	34 of 100 (Routine)
Cordova AP	United States	Record high minimum temperature	8.9 C (48.0 F)	34 of 100 (Routine)
Dengqen	China	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Nanjing	China	Record daily precipitation	31.7 mm (1.2 in)	33 of 100 (Routine)
Strawn 8 NNE	United States	Record daily precipitation	102.9 mm (4.1 in)	33 of 100 (Routine)
Vilsandi	Estonia	Record low maximum temperature	3.0 C (37.4 F)	32 of 100 (Routine)
Presa Brockman	Mexico	Record daily precipitation	31.0 mm (1.2 in)	32 of 100 (Routine)
Angola	United States	Record low maximum temperature	5.0 C (41.0 F)	32 of 100 (Routine)
Adams 7 SSW	United States	Record daily snowfall	5.1 cm (2.0 in)	32 of 100 (Routine)
Naryn	Kyrgyzstan	Record high minimum temperature	5.6 C (42.1 F)	31 of 100 (Routine)
Liepaja	Latvia	Record low maximum temperature	3.5 C (38.3 F)	31 of 100 (Routine)
Hacienda la Y	Mexico	Record daily precipitation	39.9 mm (1.6 in)	31 of 100 (Routine)
Kem-Port	Russia	Record low minimum temperature	-11.5 C (11.3 F)	31 of 100 (Routine)
Upham 3 N	United States	Record daily snowfall	5.1 cm (2.0 in)	31 of 100 (Routine)
Denton 2 SE	United States	Record daily precipitation	70.6 mm (2.8 in)	31 of 100 (Routine)
Salalah	Oman	Record high maximum temperature	36.5 C (97.7 F)	30 of 100 (Routine)
Zacoalco de Torres	Mexico	Record high minimum temperature	22.8 C (73.0 F)	30 of 100 (Routine)

Counts by Type and Timescale

878 records

Records set or tied on 18 October 2002 by type: Highest daily maximum 186, Lowest daily maximum 229, Highest daily minimum 115, Lowest daily minimum 131, Heaviest daily rainfall 144, Heaviest daily snowfall 41, Deepest snow cover 32.

Records on 18 October 2002 by type
Record type	Records
Highest daily maximum	186
Lowest daily maximum	229
Highest daily minimum	115
Lowest daily minimum	131
Heaviest daily rainfall	144
Heaviest daily snowfall	41
Deepest snow cover	32

Records on 18 October 2002 by timescale: all-time 1, monthly 34, daily 843.

How Much Records Were Beaten By

707 broken records

Margins by which the 707 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 112.0. Ties are not counted.

Top 20 by Significance

18 October 2002

Top 20 records on 18 October 2002 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 October 2002	Edmore 4NW, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	96 years	63 of 100 (Major)
18 October 2002	Eastland, US	daily rain	117.1 mm (4.6 in)	53.6 mm (2.1 in)	85 years	62 of 100 (Major)
18 October 2002	Zamora (Dge), MX	daily rain	47.8 mm (1.9 in)	37.1 mm (1.5 in)	40 years	57 of 100 (Notable)
18 October 2002	Tultenango, MX	daily rain	47.8 mm (1.9 in)	32.8 mm (1.3 in)	36 years	54 of 100 (Notable)
18 October 2002	Pingliang, CN	daily rain	31.6 mm (1.2 in)	17.7 mm (0.7 in)	51 years	53 of 100 (Notable)
18 October 2002	Wadena 3 S, US	daily snowfall	12.7 cm (5.0 in)	10.2 cm (4.0 in)	76 years	53 of 100 (Notable)
18 October 2002	Ewa Plantation 741, US	daily low max	25.6 C (78.1 F)	1.6 C (2.9 F)	96 years	52 of 100 (Notable)
18 October 2002	Orandino, MX	daily rain	62.5 mm (2.5 in)	39.6 mm (1.6 in)	36 years	50 of 100 (Notable)
18 October 2002	Bottineau, US	daily snowfall	11.4 cm (4.5 in)	6.3 cm (2.5 in)	84 years	50 of 100 (Notable)
18 October 2002	Wolfe City, US	daily rain	144.3 mm (5.7 in)	112.0 mm (4.4 in)	16 years	50 of 100 (Notable)
18 October 2002	Edmore 4NW, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	53 years	48 of 100 (Notable)
18 October 2002	Mayville, US	daily snowfall	5.1 cm (2.0 in)	1.3 cm (0.5 in)	105 years	46 of 100 (Notable)
18 October 2002	Westhope, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	93 years	46 of 100 (Notable)
18 October 2002	Voru, EE	daily snow depth	10.0 cm (3.9 in)	9.0 cm (3.5 in)	56 years	45 of 100 (Notable)
18 October 2002	Gull Lake Dam, US	daily snowfall	7.1 cm (2.8 in)	5.8 cm (2.3 in)	84 years	45 of 100 (Notable)
18 October 2002	Long Prairie, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	85 years	45 of 100 (Notable)
18 October 2002	Thorhult, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	53 years	45 of 100 (Notable)
18 October 2002	Wadena 3 S, US	daily snow depth	10.2 cm (4.0 in)	7.7 cm (3.0 in)	76 years	45 of 100 (Notable)
18 October 2002	Chaparaco, MX	monthly rain	54.9 mm (2.2 in)	14.0 mm (0.6 in)	37 years	44 of 100 (Notable)
18 October 2002	Pitea, SE	daily low min	-13.6 C (7.5 F)	1.6 C (2.9 F)	100 years	43 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

1794 to 2002

Records set or tied on this calendar date in each year from 1794 to 2002. 2002 had 878 records.

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

Records on 10-18 in each year
Year	Records
1794	1
1796	1
1799	1
1806	1
1807	1
1810	1
1811	2
1817	1
1832	1
1835	1
1836	1
1843	1
1846	2
1848	1
1849	1
1851	1
1852	1
1859	1
1863	1
1865	2
1866	2
1868	1
1869	1
1871	1
1872	1
1874	4
1876	2
1877	2
1879	3
1881	1
1882	1
1883	2
1887	1
1888	1
1890	4
1892	4
1893	1
1894	3
1895	2
1897	6
1898	5
1899	12
1900	5
1901	5
1902	6
1903	9
1904	12
1905	27
1906	17
1907	11
1908	44
1909	23
1910	50
1911	22
1912	12
1913	26
1914	52
1915	12
1916	64
1917	109
1918	24
1919	31
1920	87
1921	87
1922	59
1923	114
1924	151
1925	153
1926	149
1927	309
1928	316
1929	190
1930	507
1931	350
1932	446
1933	264
1934	222
1935	360
1936	483
1937	671
1938	536
1939	475
1940	532
1941	240
1942	332
1943	844
1944	264
1945	398
1946	355
1947	965
1948	1,128
1949	665
1950	996
1951	325
1952	394
1953	678
1954	621
1955	403
1956	578
1957	220
1958	407
1959	246
1960	612
1961	362
1962	252
1963	492
1964	311
1965	1,066
1966	613
1967	405
1968	737
1969	789
1970	501
1971	1,199
1972	1,581
1973	789
1974	746
1975	779
1976	1,326
1977	533
1978	545
1979	555
1980	1,024
1981	680
1982	654
1983	684
1984	1,331
1985	831
1986	344
1987	518
1988	733
1989	1,196
1990	1,043
1991	999
1992	1,295
1993	1,051
1994	1,296
1995	1,227
1996	795
1997	1,240
1998	1,323
1999	773
2000	823
2001	818
2002	878
2003	1,097
2004	1,156
2005	755
2006	1,328
2007	1,298
2008	531
2009	1,546
2010	634
2011	736
2012	741
2013	430
2014	690
2015	915
2016	1,511
2017	590
2018	759
2019	346
2020	957
2021	387
2022	1,334
2023	693
2024	1,142
2025	367

Download the Data

Data for records on 2002-10-18: 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	639
20 to 40	36
40 to 60	17
60 to 80	7
80 to 100	3
100 to 120	5