Weather Records on 20 October 1983

944 weather records were set or tied worldwide on 20 October 1983. Highest significance: Shawnee, US.

Key Facts for 20 October 1983

On 20 October 1983, 944 weather records were set or tied at long-record stations worldwide.
269 were record highs and 129 were record lows, counting maximum and minimum temperature.
By timescale, 15 were all-time records, 41 monthly and 888 daily.
Shawnee set an all-time record daily precipitation of 269.7 mm (10.6 in) on 20 October 1983.
Across 160 earlier years (1806 to 2025) the same calendar date averaged 454 records.

Record Map

944 stations

944 station records on 20 October 1983 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 October 1983: highest significance records shown on the map
Station	Country	Type	Value	Significance
Shawnee	United States	Record daily precipitation	269.7 mm (10.6 in)	84 of 100 (Exceptional)
Flora 5 NW	United States	Record daily precipitation	81.8 mm (3.2 in)	74 of 100 (Major)
Olney 2S	United States	Record daily precipitation	85.1 mm (3.4 in)	74 of 100 (Major)
Oolitic Purdue Ex Fm	United States	Record daily precipitation	81.3 mm (3.2 in)	72 of 100 (Major)
Steelville 2 N	United States	Record daily precipitation	92.2 mm (3.6 in)	71 of 100 (Major)
Roosevelt	United States	Record daily precipitation	213.4 mm (8.4 in)	69 of 100 (Major)
Wagoner	United States	Record daily precipitation	103.4 mm (4.1 in)	68 of 100 (Major)
Purcell 2 SW	United States	Record daily precipitation	203.2 mm (8.0 in)	67 of 100 (Major)
Hamlin 1SW	United States	Record daily precipitation	84.3 mm (3.3 in)	67 of 100 (Major)
Post	United States	Record daily precipitation	101.6 mm (4.0 in)	67 of 100 (Major)
Erick	United States	Record daily precipitation	77.7 mm (3.1 in)	66 of 100 (Major)
Neosho	United States	Record daily precipitation	104.1 mm (4.1 in)	63 of 100 (Major)
Carnegie 5 NE	United States	Record daily precipitation	160.5 mm (6.3 in)	63 of 100 (Major)
Norman 3SSE	United States	Record daily precipitation	212.6 mm (8.4 in)	63 of 100 (Major)
Crane Nsa	United States	Record daily precipitation	119.4 mm (4.7 in)	62 of 100 (Major)
Paoli	United States	Record daily precipitation	62.2 mm (2.4 in)	62 of 100 (Major)
Altus Dam	United States	Record daily precipitation	179.1 mm (7.1 in)	61 of 100 (Major)
Seminole	United States	Record daily precipitation	214.6 mm (8.4 in)	61 of 100 (Major)
Crowell	United States	Record daily precipitation	124.5 mm (4.9 in)	61 of 100 (Major)
Bolivar 1 NE	United States	Record daily precipitation	64.8 mm (2.6 in)	60 of 100 (Major)
Rolla Missouri S&T	United States	Record daily precipitation	77.2 mm (3.0 in)	60 of 100 (Major)
Greenville	United States	Record daily precipitation	60.5 mm (2.4 in)	59 of 100 (Notable)
Columbus	United States	Record daily precipitation	78.2 mm (3.1 in)	59 of 100 (Notable)
Washington 1 W	United States	Record daily precipitation	80.3 mm (3.2 in)	58 of 100 (Notable)
Chickasha Exp STN	United States	Record daily precipitation	185.4 mm (7.3 in)	58 of 100 (Notable)
Matador	United States	Record daily precipitation	134.6 mm (5.3 in)	58 of 100 (Notable)
Edwardsville 2 W	United States	Record daily precipitation	64.5 mm (2.5 in)	57 of 100 (Notable)
Chester	United States	Record daily precipitation	49.0 mm (1.9 in)	56 of 100 (Notable)
Nashville 1 E	United States	Record daily precipitation	70.6 mm (2.8 in)	56 of 100 (Notable)
Salem	United States	Record daily precipitation	87.9 mm (3.5 in)	56 of 100 (Notable)
Independence	United States	Record daily precipitation	154.4 mm (6.1 in)	56 of 100 (Notable)
Valley Park	United States	Record daily precipitation	72.1 mm (2.8 in)	55 of 100 (Notable)
Chattanooga	United States	Record daily precipitation	108.2 mm (4.3 in)	55 of 100 (Notable)
Prague 2W	United States	Record daily precipitation	223.8 mm (8.8 in)	55 of 100 (Notable)
Mt Vernon 3 NE	United States	Record daily precipitation	53.6 mm (2.1 in)	54 of 100 (Notable)
Carthage	United States	Record daily precipitation	114.3 mm (4.5 in)	54 of 100 (Notable)
Lockwood	United States	Record daily precipitation	87.4 mm (3.4 in)	54 of 100 (Notable)
Hollis 5E	United States	Record daily precipitation	125.0 mm (4.9 in)	54 of 100 (Notable)
Mertzon	United States	Record daily precipitation	71.1 mm (2.8 in)	54 of 100 (Notable)
Pandale 1 N	United States	Record daily precipitation	103.6 mm (4.1 in)	54 of 100 (Notable)
Greensburg	United States	Record daily precipitation	49.0 mm (1.9 in)	53 of 100 (Notable)
Vevay	United States	Record daily precipitation	93.5 mm (3.7 in)	53 of 100 (Notable)
Ozona	United States	Record daily precipitation	101.6 mm (4.0 in)	53 of 100 (Notable)
Shoals 8 S	United States	Record daily precipitation	50.8 mm (2.0 in)	52 of 100 (Notable)
Licking 4N	United States	Record daily precipitation	65.0 mm (2.6 in)	52 of 100 (Notable)
Mexico	United States	Record daily precipitation	59.4 mm (2.3 in)	52 of 100 (Notable)
Tengchong	China	Record daily precipitation	60.6 mm (2.4 in)	51 of 100 (Notable)
Albion	United States	Record daily precipitation	38.1 mm (1.5 in)	51 of 100 (Notable)
White Signal	United States	Record daily precipitation	41.9 mm (1.6 in)	51 of 100 (Notable)
Chandler	United States	Record daily precipitation	162.8 mm (6.4 in)	51 of 100 (Notable)
Haskell	United States	Record daily precipitation	164.3 mm (6.5 in)	51 of 100 (Notable)
Marlow 1 WSW	United States	Record daily precipitation	179.3 mm (7.1 in)	51 of 100 (Notable)
Vinita 2 N	United States	Record daily precipitation	102.9 mm (4.1 in)	51 of 100 (Notable)
Duncan	United States	Record daily precipitation	25.4 mm (1.0 in)	50 of 100 (Notable)
Grafton	United States	Record daily precipitation	46.2 mm (1.8 in)	50 of 100 (Notable)
Lebanon 2W	United States	Record daily precipitation	75.4 mm (3.0 in)	50 of 100 (Notable)
St Charles Elm Pt	United States	Record daily precipitation	62.7 mm (2.5 in)	50 of 100 (Notable)
Lookeba 1 N	United States	Record daily precipitation	149.9 mm (5.9 in)	50 of 100 (Notable)
Case Rch 3 S	United States	Record daily precipitation	120.1 mm (4.7 in)	50 of 100 (Notable)
Roscoe	United States	Record daily precipitation	116.8 mm (4.6 in)	50 of 100 (Notable)

Counts by Type and Timescale

944 records

Records set or tied on 20 October 1983 by type: Highest daily maximum 82, Lowest daily maximum 86, Highest daily minimum 187, Lowest daily minimum 43, Heaviest daily rainfall 544, Deepest snow cover 2.

Records on 20 October 1983 by type
Record type	Records
Highest daily maximum	82
Lowest daily maximum	86
Highest daily minimum	187
Lowest daily minimum	43
Heaviest daily rainfall	544
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 20 October 1983 by timescale: all-time 15, monthly 41, daily 888.

How Much Records Were Beaten By

796 broken records

Margins by which the 796 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 169.4. Ties are not counted.

Top 20 by Significance

20 October 1983

Top 20 records on 20 October 1983 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 October 1983	Shawnee, US	all-time rain	269.7 mm (10.6 in)	84.3 mm (3.3 in)	55 years	84 of 100 (Exceptional)
20 October 1983	Flora 5 NW, US	daily rain	81.8 mm (3.2 in)	56.1 mm (2.2 in)	84 years	74 of 100 (Major)
20 October 1983	Olney 2S, US	daily rain	85.1 mm (3.4 in)	60.7 mm (2.4 in)	84 years	74 of 100 (Major)
20 October 1983	Oolitic Purdue Ex Fm, US	daily rain	81.3 mm (3.2 in)	61.0 mm (2.4 in)	77 years	72 of 100 (Major)
20 October 1983	Steelville 2 N, US	daily rain	92.2 mm (3.6 in)	71.6 mm (2.8 in)	73 years	71 of 100 (Major)
20 October 1983	Roosevelt, US	all-time rain	213.4 mm (8.4 in)	75.5 mm (3.0 in)	18 years	69 of 100 (Major)
20 October 1983	Wagoner, US	daily rain	103.4 mm (4.1 in)	78.5 mm (3.1 in)	74 years	68 of 100 (Major)
20 October 1983	Purcell 2 SW, US	monthly rain	203.2 mm (8.0 in)	94.7 mm (3.7 in)	29 years	67 of 100 (Major)
20 October 1983	Hamlin 1SW, US	daily rain	84.3 mm (3.3 in)	61.4 mm (2.4 in)	66 years	67 of 100 (Major)
20 October 1983	Post, US	daily rain	101.6 mm (4.0 in)	79.5 mm (3.1 in)	68 years	67 of 100 (Major)
20 October 1983	Erick, US	daily rain	77.7 mm (3.1 in)	66.3 mm (2.6 in)	72 years	66 of 100 (Major)
20 October 1983	Neosho, US	daily rain	104.1 mm (4.1 in)	81.7 mm (3.2 in)	49 years	63 of 100 (Major)
20 October 1983	Carnegie 5 NE, US	monthly rain	160.5 mm (6.3 in)	58.9 mm (2.3 in)	23 years	63 of 100 (Major)
20 October 1983	Norman 3SSE, US	daily rain	212.6 mm (8.4 in)	169.4 mm (6.7 in)	49 years	63 of 100 (Major)
20 October 1983	Crane Nsa, US	monthly rain	119.4 mm (4.7 in)	53.1 mm (2.1 in)	28 years	62 of 100 (Major)
20 October 1983	Paoli, US	daily rain	62.2 mm (2.4 in)	40.6 mm (1.6 in)	73 years	62 of 100 (Major)
20 October 1983	Altus Dam, US	all-time rain	179.1 mm (7.1 in)	43.2 mm (1.7 in)	30 years	61 of 100 (Major)
20 October 1983	Seminole, US	monthly rain	214.6 mm (8.4 in)	69.6 mm (2.7 in)	41 years	61 of 100 (Major)
20 October 1983	Crowell, US	daily rain	124.5 mm (4.9 in)	106.7 mm (4.2 in)	52 years	61 of 100 (Major)
20 October 1983	Bolivar 1 NE, US	daily rain	64.8 mm (2.6 in)	50.3 mm (2.0 in)	73 years	60 of 100 (Major)

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

1806 to 1983

Records set or tied on this calendar date in each year from 1806 to 1983. 1983 had 944 records.

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

Records on 10-20 in each year
Year	Records
1806	1
1835	1
1844	1
1846	1
1847	2
1851	1
1852	1
1858	1
1863	2
1864	2
1866	3
1867	1
1868	2
1872	2
1874	2
1875	3
1876	2
1877	1
1878	1
1880	3
1881	2
1884	1
1885	1
1886	1
1887	1
1888	6
1891	4
1892	4
1893	1
1894	3
1895	4
1896	9
1897	2
1898	7
1899	1
1900	8
1901	7
1902	5
1903	9
1904	13
1905	22
1906	28
1907	32
1908	26
1909	17
1910	31
1911	16
1912	6
1913	38
1914	16
1915	20
1916	72
1917	201
1918	34
1919	19
1920	81
1921	68
1922	83
1923	96
1924	182
1925	247
1926	147
1927	283
1928	92
1929	129
1930	672
1931	125
1932	331
1933	675
1934	422
1935	390
1936	370
1937	189
1938	231
1939	367
1940	757
1941	459
1942	152
1943	501
1944	288
1945	363
1946	310
1947	1,494
1948	320
1949	1,084
1950	619
1951	279
1952	520
1953	1,057
1954	262
1955	529
1956	283
1957	440
1958	461
1959	451
1960	671
1961	479
1962	733
1963	765
1964	598
1965	340
1966	857
1967	511
1968	244
1969	607
1970	710
1971	606
1972	1,724
1973	878
1974	1,122
1975	587
1976	1,304
1977	467
1978	508
1979	1,647
1980	350
1981	1,083
1982	1,191
1983	944
1984	1,562
1985	835
1986	823
1987	590
1988	737
1989	2,092
1990	609
1991	971
1992	1,174
1993	1,238
1994	650
1995	703
1996	1,417
1997	949
1998	683
1999	603
2000	737
2001	589
2002	985
2003	1,761
2004	1,861
2005	1,092
2006	1,170
2007	923
2008	477
2009	786
2010	539
2011	785
2012	945
2013	592
2014	851
2015	523
2016	947
2017	602
2018	394
2019	744
2020	1,010
2021	900
2022	834
2023	1,468
2024	707
2025	326

Download the Data

Data for records on 1983-10-20: 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 25	645
25 to 50	93
50 to 75	38
75 to 100	13
100 to 125	6
125 to 150	0
150 to 175	1