Weather Records on 20 October 1971

606 weather records were set or tied worldwide on 20 October 1971. Highest significance: Anadarko 3 E, US.

Key Facts for 20 October 1971

On 20 October 1971, 606 weather records were set or tied at long-record stations worldwide.
142 were record highs and 103 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 599 daily.
Anadarko 3 E set a daily record precipitation of 88.9 mm (3.5 in) on 20 October 1971.
Across 160 earlier years (1806 to 2025) the same calendar date averaged 456 records.

Record Map

606 stations

606 station records on 20 October 1971 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 October 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Anadarko 3 E	United States	Record daily precipitation	88.9 mm (3.5 in)	70 of 100 (Major)
Waxahachie	United States	Record daily precipitation	118.9 mm (4.7 in)	65 of 100 (Major)
Fowlerton	United States	Record daily precipitation	108.0 mm (4.3 in)	62 of 100 (Major)
Lulea-Bergnaset	Sweden	Record daily precipitation	47.2 mm (1.9 in)	61 of 100 (Major)
Lulea	Sweden	Record daily precipitation	47.2 mm (1.9 in)	61 of 100 (Major)
Walnut 4S	United States	Record daily precipitation	78.7 mm (3.1 in)	60 of 100 (Major)
Wills Pt	United States	Record daily precipitation	89.2 mm (3.5 in)	59 of 100 (Notable)
Grapevine Dam	United States	Record daily precipitation	81.5 mm (3.2 in)	57 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	88.6 mm (3.5 in)	57 of 100 (Notable)
Paris	United States	Record daily precipitation	131.8 mm (5.2 in)	55 of 100 (Notable)
Chanute Martin Johnson AP	United States	Record daily precipitation	121.4 mm (4.8 in)	55 of 100 (Notable)
Carrollton	United States	Record daily precipitation	87.1 mm (3.4 in)	54 of 100 (Notable)
Griggsville	United States	Record daily precipitation	50.8 mm (2.0 in)	52 of 100 (Notable)
Ibiapina	Brazil	Record daily precipitation	54.6 mm (2.1 in)	51 of 100 (Notable)
Pinjarra	Australia	Record daily precipitation	34.5 mm (1.4 in)	50 of 100 (Notable)
Parsons 2 NW	United States	Record daily precipitation	82.6 mm (3.3 in)	50 of 100 (Notable)
Independence	United States	Record daily precipitation	124.5 mm (4.9 in)	49 of 100 (Notable)
Sulphur Platt Nat'l Pk	United States	Record daily precipitation	76.2 mm (3.0 in)	48 of 100 (Notable)
Coleman	United States	Record daily precipitation	62.5 mm (2.5 in)	48 of 100 (Notable)
Rocksprings	United States	Record daily precipitation	68.6 mm (2.7 in)	48 of 100 (Notable)
Hugo	United States	Record daily precipitation	88.4 mm (3.5 in)	47 of 100 (Notable)
Fall Rvr Lake	United States	Record daily precipitation	42.7 mm (1.7 in)	46 of 100 (Notable)
Moran	United States	Record daily precipitation	47.8 mm (1.9 in)	45 of 100 (Notable)
Forestburg 5 S	United States	Record daily precipitation	80.8 mm (3.2 in)	44 of 100 (Notable)
Afogados da Ingazeira (Dnocs)	Brazil	Record daily precipitation	34.6 mm (1.4 in)	43 of 100 (Notable)
Ada	United States	Record daily precipitation	65.5 mm (2.6 in)	43 of 100 (Notable)
Tuskahoma	United States	Record daily precipitation	51.8 mm (2.0 in)	43 of 100 (Notable)
Fredonia	United States	Record daily precipitation	48.3 mm (1.9 in)	42 of 100 (Notable)
Hagansport	United States	Record daily precipitation	43.9 mm (1.7 in)	42 of 100 (Notable)
Naples 1 SW	United States	Record daily precipitation	54.6 mm (2.1 in)	42 of 100 (Notable)
Oswego 1 N	United States	Record daily precipitation	66.0 mm (2.6 in)	41 of 100 (Notable)
Wilburton 9 ENE	United States	Record daily precipitation	47.8 mm (1.9 in)	41 of 100 (Notable)
Hondo	United States	Record daily precipitation	42.2 mm (1.7 in)	40 of 100 (Notable)
Marruas	Brazil	Record daily precipitation	25.6 mm (1.0 in)	39 of 100 (Notable)
Honey Grove	United States	Record daily precipitation	101.6 mm (4.0 in)	39 of 100 (Notable)
Laredo	United States	Record daily precipitation	44.7 mm (1.8 in)	39 of 100 (Notable)
Riomedina	United States	Record daily precipitation	67.3 mm (2.6 in)	39 of 100 (Notable)
Wewoka 3 SW	United States	Record daily precipitation	61.2 mm (2.4 in)	38 of 100 (Notable)
Boerne	United States	Record daily precipitation	37.8 mm (1.5 in)	38 of 100 (Notable)
Greenville Kgvl Radio	United States	Record daily precipitation	106.9 mm (4.2 in)	38 of 100 (Notable)
Broke (Harrowby)	Australia	Record daily precipitation	34.0 mm (1.3 in)	37 of 100 (Notable)
Burnet	United States	Record daily precipitation	58.4 mm (2.3 in)	37 of 100 (Notable)
Durham	Canada	Record high maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Gilbert	United States	Record daily precipitation	52.8 mm (2.1 in)	36 of 100 (Notable)
Luis Gomes	Brazil	Record daily precipitation	34.3 mm (1.4 in)	34 of 100 (Routine)
Antlers	United States	Record daily precipitation	85.6 mm (3.4 in)	34 of 100 (Routine)
Ardmore	United States	Record daily precipitation	44.5 mm (1.8 in)	34 of 100 (Routine)
Nowata	United States	Record daily precipitation	64.8 mm (2.6 in)	34 of 100 (Routine)
Rainbow	United States	Record daily precipitation	52.6 mm (2.1 in)	34 of 100 (Routine)
Rio Grande City	United States	Record daily precipitation	52.1 mm (2.1 in)	34 of 100 (Routine)
Jefferson	United States	Record daily precipitation	31.5 mm (1.2 in)	33 of 100 (Routine)
Mexico	United States	Record high minimum temperature	17.8 C (64.0 F)	33 of 100 (Routine)
Idabel	United States	Record daily precipitation	44.5 mm (1.8 in)	33 of 100 (Routine)
Clifton 10 E	United States	Record daily precipitation	34.3 mm (1.4 in)	33 of 100 (Routine)
Muenster	United States	Record daily precipitation	59.9 mm (2.4 in)	33 of 100 (Routine)
Seymour 3NW	United States	Record daily precipitation	36.3 mm (1.4 in)	33 of 100 (Routine)
Ozark	United States	Record daily precipitation	27.9 mm (1.1 in)	32 of 100 (Routine)
Windsor	United States	Record high minimum temperature	15.6 C (60.1 F)	32 of 100 (Routine)
Flashman Twr	United States	Record daily precipitation	44.2 mm (1.7 in)	32 of 100 (Routine)
Shawnee	United States	Record daily precipitation	46.2 mm (1.8 in)	32 of 100 (Routine)

Counts by Type and Timescale

606 records

Records set or tied on 20 October 1971 by type: Highest daily maximum 43, Lowest daily maximum 32, Highest daily minimum 99, Lowest daily minimum 71, Heaviest daily rainfall 354, Heaviest daily snowfall 5, Deepest snow cover 2.

Records on 20 October 1971 by type
Record type	Records
Highest daily maximum	43
Lowest daily maximum	32
Highest daily minimum	99
Lowest daily minimum	71
Heaviest daily rainfall	354
Heaviest daily snowfall	5
Deepest snow cover	2

Records on 20 October 1971 by timescale: all-time 0, monthly 7, daily 599.

How Much Records Were Beaten By

496 broken records

Margins by which the 496 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

20 October 1971

Top 20 records on 20 October 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 October 1971	Anadarko 3 E, US	daily rain	88.9 mm (3.5 in)	73.2 mm (2.9 in)	76 years	70 of 100 (Major)
20 October 1971	Waxahachie, US	daily rain	118.9 mm (4.7 in)	108.7 mm (4.3 in)	60 years	65 of 100 (Major)
20 October 1971	Fowlerton, US	daily rain	108.0 mm (4.3 in)	108.0 mm (4.3 in)	57 years	62 of 100 (Major)
20 October 1971	Lulea-Bergnaset, SE	monthly rain	47.2 mm (1.9 in)	19.1 mm (0.8 in)	29 years	61 of 100 (Major)
20 October 1971	Lulea, SE	monthly rain	47.2 mm (1.9 in)	19.1 mm (0.8 in)	29 years	61 of 100 (Major)
20 October 1971	Walnut 4S, US	daily rain	78.7 mm (3.1 in)	55.6 mm (2.2 in)	62 years	60 of 100 (Major)
20 October 1971	Wills Pt, US	daily rain	89.2 mm (3.5 in)	82.1 mm (3.2 in)	60 years	59 of 100 (Notable)
20 October 1971	Grapevine Dam, US	daily rain	81.5 mm (3.2 in)	69.6 mm (2.7 in)	60 years	57 of 100 (Notable)
20 October 1971	Hillsboro, US	daily rain	88.6 mm (3.5 in)	78.4 mm (3.1 in)	44 years	57 of 100 (Notable)
20 October 1971	Paris, US	daily rain	131.8 mm (5.2 in)	116.6 mm (4.6 in)	29 years	55 of 100 (Notable)
20 October 1971	Chanute Martin Johnson AP, US	daily rain	121.4 mm (4.8 in)	99.6 mm (3.9 in)	29 years	55 of 100 (Notable)
20 October 1971	Carrollton, US	daily rain	87.1 mm (3.4 in)	75.2 mm (3.0 in)	40 years	54 of 100 (Notable)
20 October 1971	Griggsville, US	daily rain	50.8 mm (2.0 in)	34.3 mm (1.4 in)	61 years	52 of 100 (Notable)
20 October 1971	Ibiapina, BR	daily rain	54.6 mm (2.1 in)	35.1 mm (1.4 in)	32 years	51 of 100 (Notable)
20 October 1971	Pinjarra, AU	daily rain	34.5 mm (1.4 in)	16.0 mm (0.6 in)	56 years	50 of 100 (Notable)
20 October 1971	Parsons 2 NW, US	daily rain	82.6 mm (3.3 in)	62.0 mm (2.4 in)	36 years	50 of 100 (Notable)
20 October 1971	Independence, US	daily rain	124.5 mm (4.9 in)	91.5 mm (3.6 in)	8 years	49 of 100 (Notable)
20 October 1971	Sulphur Platt Nat'l Pk, US	daily rain	76.2 mm (3.0 in)	68.3 mm (2.7 in)	50 years	48 of 100 (Notable)
20 October 1971	Coleman, US	daily rain	62.5 mm (2.5 in)	51.6 mm (2.0 in)	44 years	48 of 100 (Notable)
20 October 1971	Rocksprings, US	daily rain	68.6 mm (2.7 in)	32.5 mm (1.3 in)	76 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

1806 to 1971

Records set or tied on this calendar date in each year from 1806 to 1971. 1971 had 606 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 1971-10-20: 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	420
25 to 50	50
50 to 75	14
75 to 100	7
100 to 125	3
125 to 150	1
150 to 175	0
175 to 200	1