Weather Records on 18 October 2020

957 weather records were set or tied worldwide on 18 October 2020. Highest significance: Boulder, US.

Key Facts for 18 October 2020

On 18 October 2020, 957 weather records were set or tied at long-record stations worldwide.
340 were record highs and 254 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 945 daily.
Boulder set a monthly record daily precipitation of 30.5 mm (1.2 in) on 18 October 2020.
Across 167 earlier years (1794 to 2025) the same calendar date averaged 431 records.

Record Map

957 stations

957 station records on 18 October 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 October 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Boulder	United States	Record daily precipitation	30.5 mm (1.2 in)	70 of 100 (Major)
Augusta	United States	Record daily snowfall	25.4 cm (10.0 in)	68 of 100 (Major)
Gibson 2 NE	United States	Record daily snowfall	40.6 cm (16.0 in)	67 of 100 (Major)
Buffalo	United States	Record snow depth	12.7 cm (5.0 in)	65 of 100 (Major)
Augusta	United States	Record snow depth	25.4 cm (10.0 in)	64 of 100 (Major)
Bynum 4 SSE	United States	Record daily snowfall	19.8 cm (7.8 in)	64 of 100 (Major)
Lovanger	Sweden	Record daily precipitation	55.2 mm (2.2 in)	61 of 100 (Major)
First Connecticut Lake	United States	Record snow depth	15.2 cm (6.0 in)	60 of 100 (Major)
Bhuj-Rudramata	India	Record daily precipitation	30.0 mm (1.2 in)	59 of 100 (Notable)
Choteau	United States	Record daily snowfall	14.0 cm (5.5 in)	59 of 100 (Notable)
Judith Gap	United States	Record daily snowfall	15.2 cm (6.0 in)	59 of 100 (Notable)
Yellowtail Dam	United States	Record daily snowfall	15.2 cm (6.0 in)	58 of 100 (Notable)
Albion	United States	Record daily snowfall	9.4 cm (3.7 in)	58 of 100 (Notable)
Ryegate 18 NNW	United States	Record snow depth	17.8 cm (7.0 in)	57 of 100 (Notable)
Greeley	United States	Record daily snowfall	7.9 cm (3.1 in)	55 of 100 (Notable)
Mullen 3S	United States	Record daily snowfall	7.6 cm (3.0 in)	55 of 100 (Notable)
Rodkallen_A	Sweden	Record daily precipitation	29.4 mm (1.2 in)	53 of 100 (Notable)
Perry	United States	Record daily snowfall	6.9 cm (2.7 in)	53 of 100 (Notable)
Bynum 4 SSE	United States	Record snow depth	22.9 cm (9.0 in)	53 of 100 (Notable)
Judith Gap	United States	Record snow depth	15.2 cm (6.0 in)	53 of 100 (Notable)
Tizer Basin	United States	Record daily precipitation	25.4 mm (1.0 in)	52 of 100 (Notable)
Guthrie Ctr	United States	Record daily snowfall	5.6 cm (2.2 in)	51 of 100 (Notable)
Custer	United States	Record snow depth	20.3 cm (8.0 in)	51 of 100 (Notable)
Broken Bow 2 W	United States	Record daily snowfall	5.1 cm (2.0 in)	50 of 100 (Notable)
Buffalo	United States	Record daily snowfall	18.8 cm (7.4 in)	50 of 100 (Notable)
Walwa	Australia	Record daily precipitation	51.0 mm (2.0 in)	49 of 100 (Notable)
Springdale	United States	Record snow depth	15.2 cm (6.0 in)	49 of 100 (Notable)
Red Rvr	United States	Record high minimum temperature	5.6 C (42.1 F)	49 of 100 (Notable)
Ryegate 18 NNW	United States	Record daily snowfall	14.0 cm (5.5 in)	48 of 100 (Notable)
Tonopah	United States	Record high maximum temperature	27.8 C (82.0 F)	48 of 100 (Notable)
Helena AP ASOS	United States	Record snow depth	13.0 cm (5.1 in)	48 of 100 (Notable)
Sidney	United States	Record low maximum temperature	-2.8 C (27.0 F)	47 of 100 (Notable)
Dayton	United States	Record snow depth	15.2 cm (6.0 in)	47 of 100 (Notable)
White Mill	United States	Record daily precipitation	25.4 mm (1.0 in)	47 of 100 (Notable)
Nez Perce Camp	United States	Record daily precipitation	27.9 mm (1.1 in)	46 of 100 (Notable)
Buena Vista 2S	United States	Record high minimum temperature	10.0 C (50.0 F)	45 of 100 (Notable)
Conrad	United States	Record low maximum temperature	-6.1 C (21.0 F)	45 of 100 (Notable)
Hungry Horse Dam	United States	Record daily snowfall	8.9 cm (3.5 in)	45 of 100 (Notable)
Rapelje	United States	Record snow depth	35.6 cm (14.0 in)	45 of 100 (Notable)
The Dalles	United States	Record high minimum temperature	13.3 C (55.9 F)	45 of 100 (Notable)
Tiree	United Kingdom	Record daily precipitation	42.0 mm (1.7 in)	44 of 100 (Notable)
Paradise	United States	Record high maximum temperature	30.6 C (87.1 F)	44 of 100 (Notable)
Grace	United States	Record high minimum temperature	9.4 C (48.9 F)	44 of 100 (Notable)
Big Falls	United States	Record low minimum temperature	-12.2 C (10.0 F)	44 of 100 (Notable)
Ft Benton	United States	Record low maximum temperature	-2.8 C (27.0 F)	44 of 100 (Notable)
Ft Meade	United States	Record low maximum temperature	-2.2 C (28.0 F)	44 of 100 (Notable)
Hardin	United States	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Wibaux 2 E	United States	Record low maximum temperature	-1.7 C (28.9 F)	43 of 100 (Notable)
Eastman 1 W	United States	Record high minimum temperature	21.7 C (71.1 F)	42 of 100 (Notable)
Columbus	United States	Record daily snowfall	15.0 cm (5.9 in)	42 of 100 (Notable)
Rapelje	United States	Record daily snowfall	32.5 cm (12.8 in)	42 of 100 (Notable)
Arlington	United States	Record high minimum temperature	14.4 C (57.9 F)	42 of 100 (Notable)
Evening Star	United States	Record daily precipitation	33.0 mm (1.3 in)	42 of 100 (Notable)
Aspendell	United States	Record high maximum temperature	22.2 C (72.0 F)	41 of 100 (Notable)
Alexandria	United States	Record low maximum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Bison	United States	Record low minimum temperature	-10.6 C (12.9 F)	41 of 100 (Notable)
Evanston 1 E	United States	Record high minimum temperature	5.0 C (41.0 F)	41 of 100 (Notable)
Great Falls AP	United States	Record daily snowfall	20.8 cm (8.2 in)	41 of 100 (Notable)
Saint Helena	United States	Record high maximum temperature	36.7 C (98.1 F)	40 of 100 (Notable)
Choteau	United States	Record low maximum temperature	-6.7 C (19.9 F)	40 of 100 (Notable)

Counts by Type and Timescale

957 records

Records set or tied on 18 October 2020 by type: Highest daily maximum 142, Lowest daily maximum 176, Highest daily minimum 198, Lowest daily minimum 78, Heaviest daily rainfall 168, Heaviest daily snowfall 104, Deepest snow cover 91.

Records on 18 October 2020 by type
Record type	Records
Highest daily maximum	142
Lowest daily maximum	176
Highest daily minimum	198
Lowest daily minimum	78
Heaviest daily rainfall	168
Heaviest daily snowfall	104
Deepest snow cover	91

Records on 18 October 2020 by timescale: all-time 0, monthly 12, daily 945.

How Much Records Were Beaten By

793 broken records

Margins by which the 793 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 406.0. Ties are not counted.

Top 20 by Significance

18 October 2020

Top 20 records on 18 October 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 October 2020	Boulder, US	monthly rain	30.5 mm (1.2 in)	11.4 mm (0.4 in)	53 years	70 of 100 (Major)
18 October 2020	Augusta, US	daily snowfall	25.4 cm (10.0 in)	20.3 cm (8.0 in)	87 years	68 of 100 (Major)
18 October 2020	Gibson 2 NE, US	daily snowfall	40.6 cm (16.0 in)	40.6 cm (16.0 in)	69 years	67 of 100 (Major)
18 October 2020	Buffalo, US	daily snow depth	12.7 cm (5.0 in)	10.2 cm (4.0 in)	115 years	65 of 100 (Major)
18 October 2020	Augusta, US	daily snow depth	25.4 cm (10.0 in)	25.4 cm (10.0 in)	72 years	64 of 100 (Major)
18 October 2020	Bynum 4 SSE, US	daily snowfall	19.8 cm (7.8 in)	19.8 cm (7.8 in)	69 years	64 of 100 (Major)
18 October 2020	Lovanger, SE	monthly rain	55.2 mm (2.2 in)	14.2 mm (0.6 in)	63 years	61 of 100 (Major)
18 October 2020	First Connecticut Lake, US	daily snow depth	15.2 cm (6.0 in)	10.1 cm (4.0 in)	98 years	60 of 100 (Major)
18 October 2020	Bhuj-Rudramata, IN	daily rain	30.0 mm (1.2 in)	30.0 mm (1.2 in)	65 years	59 of 100 (Notable)
18 October 2020	Choteau, US	daily snowfall	14.0 cm (5.5 in)	11.5 cm (4.5 in)	87 years	59 of 100 (Notable)
18 October 2020	Judith Gap, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	70 years	59 of 100 (Notable)
18 October 2020	Yellowtail Dam, US	daily snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	72 years	58 of 100 (Notable)
18 October 2020	Albion, US	daily snowfall	9.4 cm (3.7 in)	9.4 cm (3.7 in)	123 years	58 of 100 (Notable)
18 October 2020	Ryegate 18 NNW, US	daily snow depth	17.8 cm (7.0 in)	17.8 cm (7.0 in)	58 years	57 of 100 (Notable)
18 October 2020	Greeley, US	daily snowfall	7.9 cm (3.1 in)	7.9 cm (3.1 in)	124 years	55 of 100 (Notable)
18 October 2020	Mullen 3S, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	123 years	55 of 100 (Notable)
18 October 2020	Rodkallen_A, SE	daily rain	29.4 mm (1.2 in)	14.7 mm (0.6 in)	40 years	53 of 100 (Notable)
18 October 2020	Perry, US	daily snowfall	6.9 cm (2.7 in)	6.9 cm (2.7 in)	114 years	53 of 100 (Notable)
18 October 2020	Bynum 4 SSE, US	daily snow depth	22.9 cm (9.0 in)	22.9 cm (9.0 in)	69 years	53 of 100 (Notable)
18 October 2020	Judith Gap, US	daily snow depth	15.2 cm (6.0 in)	15.2 cm (6.0 in)	70 years	53 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 2020

Records set or tied on this calendar date in each year from 1794 to 2020. 2020 had 957 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 2020-10-18: 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 2026-10-17 (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	763
100 to 200	25
200 to 300	4
300 to 400	0
400 to 500	1