Weather Records on 20 February 1971

669 weather records were set or tied worldwide on 20 February 1971. Highest significance: Dordrecht - Tnk 14, ZA.

Key Facts for 20 February 1971

On 20 February 1971, 669 weather records were set or tied at long-record stations worldwide.
126 were record highs and 88 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 14 monthly and 654 daily.
Dordrecht - Tnk 14 set a daily record precipitation of 65.0 mm (2.6 in) on 20 February 1971.
Across 162 earlier years (1809 to 2026) the same calendar date averaged 512 records.

Record Map

669 stations

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

Weather records on 20 February 1971: highest significance records shown on the map
Station	Country	Type	Value	Significance
Dordrecht - Tnk 14	South Africa	Record daily precipitation	65.0 mm (2.6 in)	69 of 100 (Major)
Gaylord	United States	Record daily precipitation	31.2 mm (1.2 in)	69 of 100 (Major)
Grayling	United States	Record daily precipitation	34.8 mm (1.4 in)	67 of 100 (Major)
W Branch 3SE	United States	Record daily precipitation	29.2 mm (1.1 in)	63 of 100 (Major)
Beltana Station	Australia	Record daily precipitation	27.9 mm (1.1 in)	61 of 100 (Major)
Hallett (Lorraine)	Australia	Record daily precipitation	36.6 mm (1.4 in)	58 of 100 (Notable)
Joliette	Canada	Record daily snowfall	30.5 cm (12.0 in)	55 of 100 (Notable)
Bowie	United States	Record daily snowfall	12.7 cm (5.0 in)	53 of 100 (Notable)
Richfield Radio Ksvc	United States	Record daily snowfall	22.9 cm (9.0 in)	53 of 100 (Notable)
Joliette	Canada	Record daily precipitation	30.5 mm (1.2 in)	52 of 100 (Notable)
Den Haag	South Africa	Record daily precipitation	63.9 mm (2.5 in)	52 of 100 (Notable)
Vanderbilt 11ENE	United States	Record daily precipitation	28.4 mm (1.1 in)	50 of 100 (Notable)
Richfield Radio Ksvc	United States	Record snow depth	25.4 cm (10.0 in)	50 of 100 (Notable)
Three Creek	United States	Record daily snowfall	25.4 cm (10.0 in)	49 of 100 (Notable)
Onaway 4N	United States	Record daily precipitation	30.5 mm (1.2 in)	49 of 100 (Notable)
Montreal/St-Hubert A	Canada	Record daily precipitation	27.4 mm (1.1 in)	48 of 100 (Notable)
Mio Hydro Plt	United States	Record daily precipitation	36.6 mm (1.4 in)	48 of 100 (Notable)
Rogers City 3 S	United States	Record daily precipitation	27.2 mm (1.1 in)	48 of 100 (Notable)
Fort Huachuca	United States	Record daily snowfall	9.1 cm (3.6 in)	48 of 100 (Notable)
Tropic	United States	Record daily snowfall	35.6 cm (14.0 in)	47 of 100 (Notable)
Walden	United States	Record daily snowfall	10.2 cm (4.0 in)	46 of 100 (Notable)
Yardley Chase	South Africa	Record daily precipitation	53.0 mm (2.1 in)	45 of 100 (Notable)
Buffelsfontein 14	South Africa	Record daily precipitation	44.5 mm (1.8 in)	45 of 100 (Notable)
Ottawa Macdonald-Cartier Int'l	Canada	Record daily precipitation	27.7 mm (1.1 in)	44 of 100 (Notable)
Klipspruit	South Africa	Record daily precipitation	80.0 mm (3.1 in)	44 of 100 (Notable)
Georgetown	United States	Record daily snowfall	14.0 cm (5.5 in)	44 of 100 (Notable)
Muscoda	United States	Record daily precipitation	29.2 mm (1.1 in)	44 of 100 (Notable)
Red Lodge	United States	Record daily snowfall	38.1 cm (15.0 in)	43 of 100 (Notable)
Hachita 1W	United States	Record daily snowfall	12.7 cm (5.0 in)	43 of 100 (Notable)
Little Falls City Rsch	United States	Record snow depth	137.2 cm (54.0 in)	42 of 100 (Notable)
Tarkastad (Pol)	South Africa	Record daily precipitation	39.5 mm (1.6 in)	41 of 100 (Notable)
Chiricahua Nm	United States	Record snow depth	17.8 cm (7.0 in)	41 of 100 (Notable)
Douglas Smelter	United States	Record daily snowfall	7.6 cm (3.0 in)	41 of 100 (Notable)
Fillmore	United States	Record snow depth	35.6 cm (14.0 in)	41 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record daily precipitation	65.3 mm (2.6 in)	40 of 100 (Notable)
Austin #2	United States	Record daily snowfall	12.7 cm (5.0 in)	40 of 100 (Notable)
Ottawa Macdonald-Cartier Int'l	Canada	Record daily snowfall	23.6 cm (9.3 in)	39 of 100 (Notable)
Montreal/St-Hubert A	Canada	Record daily snowfall	21.6 cm (8.5 in)	39 of 100 (Notable)
Madrid	South Africa	Record daily precipitation	45.0 mm (1.8 in)	39 of 100 (Notable)
Ft Collins	United States	Record daily snowfall	18.3 cm (7.2 in)	39 of 100 (Notable)
Adavale Post Office	Australia	Record daily precipitation	49.5 mm (1.9 in)	38 of 100 (Notable)
Chiricahua Nm	United States	Record daily snowfall	17.8 cm (7.0 in)	38 of 100 (Notable)
Ft Grant	United States	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)
Willcox	United States	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)
Ogdensburg 4 NE	United States	Record snow depth	68.6 cm (27.0 in)	38 of 100 (Notable)
Killarney Station	Australia	Record daily precipitation	152.4 mm (6.0 in)	37 of 100 (Notable)
Tadoussac	Canada	Record daily snowfall	35.6 cm (14.0 in)	37 of 100 (Notable)
Boulder	United States	Record daily snowfall	20.3 cm (8.0 in)	37 of 100 (Notable)
Waterdale	United States	Record daily snowfall	22.9 cm (9.0 in)	37 of 100 (Notable)
Atlanta 5 WNW	United States	Record daily precipitation	36.8 mm (1.4 in)	37 of 100 (Notable)
Tadoussac	Canada	Record daily precipitation	35.6 mm (1.4 in)	36 of 100 (Notable)
Grootfontein	South Africa	Record daily precipitation	68.0 mm (2.7 in)	36 of 100 (Notable)
Ozark 6 NNW	United States	Record daily precipitation	113.5 mm (4.5 in)	36 of 100 (Notable)
Blue	United States	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
The Valley	Australia	Record daily precipitation	156.0 mm (6.1 in)	35 of 100 (Notable)
Evergreen	United States	Record daily precipitation	64.5 mm (2.5 in)	35 of 100 (Notable)
Cockburn	Australia	Record daily precipitation	32.0 mm (1.3 in)	34 of 100 (Routine)
Salekhard	Russia	Record low minimum temperature	-47.4 C (-53.3 F)	34 of 100 (Routine)
Oakley	United States	Record daily snowfall	7.6 cm (3.0 in)	34 of 100 (Routine)
Milford	United States	Record daily snowfall	10.7 cm (4.2 in)	34 of 100 (Routine)

Counts by Type and Timescale

669 records

Records set or tied on 20 February 1971 by type: Highest daily maximum 64, Lowest daily maximum 44, Highest daily minimum 62, Lowest daily minimum 44, Heaviest daily rainfall 299, Heaviest daily snowfall 118, Deepest snow cover 38.

Records on 20 February 1971 by type
Record type	Records
Highest daily maximum	64
Lowest daily maximum	44
Highest daily minimum	62
Lowest daily minimum	44
Heaviest daily rainfall	299
Heaviest daily snowfall	118
Deepest snow cover	38

Records on 20 February 1971 by timescale: all-time 1, monthly 14, daily 654.

How Much Records Were Beaten By

561 broken records

Margins by which the 561 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 508.0. Ties are not counted.

Top 20 by Significance

20 February 1971

Top 20 records on 20 February 1971 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 February 1971	Dordrecht - Tnk 14, ZA	daily rain	65.0 mm (2.6 in)	34.8 mm (1.4 in)	90 years	69 of 100 (Major)
20 February 1971	Gaylord, US	daily rain	31.2 mm (1.2 in)	18.5 mm (0.7 in)	73 years	69 of 100 (Major)
20 February 1971	Grayling, US	daily rain	34.8 mm (1.4 in)	22.1 mm (0.9 in)	64 years	67 of 100 (Major)
20 February 1971	W Branch 3SE, US	daily rain	29.2 mm (1.1 in)	21.8 mm (0.9 in)	53 years	63 of 100 (Major)
20 February 1971	Beltana Station, AU	daily rain	27.9 mm (1.1 in)	27.9 mm (1.1 in)	96 years	61 of 100 (Major)
20 February 1971	Hallett (Lorraine), AU	daily rain	36.6 mm (1.4 in)	27.7 mm (1.1 in)	67 years	58 of 100 (Notable)
20 February 1971	Joliette, CA	daily snowfall	30.5 cm (12.0 in)	19.1 cm (7.5 in)	53 years	55 of 100 (Notable)
20 February 1971	Bowie, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	71 years	53 of 100 (Notable)
20 February 1971	Richfield Radio Ksvc, US	daily snowfall	22.9 cm (9.0 in)	20.4 cm (8.0 in)	35 years	53 of 100 (Notable)
20 February 1971	Joliette, CA	daily rain	30.5 mm (1.2 in)	19.1 mm (0.8 in)	53 years	52 of 100 (Notable)
20 February 1971	Den Haag, ZA	daily rain	63.9 mm (2.5 in)	55.0 mm (2.2 in)	28 years	52 of 100 (Notable)
20 February 1971	Vanderbilt 11ENE, US	daily rain	28.4 mm (1.1 in)	22.3 mm (0.9 in)	17 years	50 of 100 (Notable)
20 February 1971	Richfield Radio Ksvc, US	daily snow depth	25.4 cm (10.0 in)	12.7 cm (5.0 in)	73 years	50 of 100 (Notable)
20 February 1971	Three Creek, US	daily snowfall	25.4 cm (10.0 in)	17.8 cm (7.0 in)	25 years	49 of 100 (Notable)
20 February 1971	Onaway 4N, US	daily rain	30.5 mm (1.2 in)	24.1 mm (0.9 in)	17 years	49 of 100 (Notable)
20 February 1971	Montreal/St-Hubert A, CA	daily rain	27.4 mm (1.1 in)	17.2 mm (0.7 in)	40 years	48 of 100 (Notable)
20 February 1971	Mio Hydro Plt, US	monthly rain	36.6 mm (1.4 in)	4.8 mm (0.19 in)	68 years	48 of 100 (Notable)
20 February 1971	Rogers City 3 S, US	daily rain	27.2 mm (1.1 in)	20.6 mm (0.8 in)	4 years	48 of 100 (Notable)
20 February 1971	Fort Huachuca, US	daily snowfall	9.1 cm (3.6 in)	9.1 cm (3.6 in)	70 years	48 of 100 (Notable)
20 February 1971	Tropic, US	daily snowfall	35.6 cm (14.0 in)	33.1 cm (13.0 in)	1 year	47 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

1809 to 1971

Records set or tied on this calendar date in each year from 1809 to 1971. 1971 had 669 records.

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

Records on 02-20 in each year
Year	Records
1809	2
1810	2
1814	1
1827	2
1834	1
1837	1
1838	2
1845	1
1846	2
1849	2
1850	1
1855	3
1858	2
1860	1
1861	1
1864	1
1867	1
1869	1
1874	1
1876	2
1877	1
1880	1
1883	1
1884	2
1885	4
1886	1
1888	1
1889	2
1890	2
1892	5
1893	6
1895	2
1896	5
1897	2
1898	6
1899	6
1900	8
1901	5
1902	3
1903	17
1904	14
1905	8
1906	23
1907	14
1908	28
1909	34
1910	8
1911	13
1912	26
1913	28
1914	15
1915	108
1916	32
1917	186
1918	210
1919	36
1920	39
1921	106
1922	198
1923	49
1924	323
1925	132
1926	83
1927	156
1928	190
1929	629
1930	1,202
1931	163
1932	287
1933	266
1934	490
1935	222
1936	593
1937	602
1938	348
1939	636
1940	247
1941	251
1942	968
1943	454
1944	279
1945	266
1946	146
1947	403
1948	342
1949	656
1950	538
1951	815
1952	551
1953	929
1954	1,067
1955	1,051
1956	453
1957	450
1958	1,025
1959	507
1960	353
1961	475
1962	457
1963	742
1964	340
1965	357
1966	613
1967	414
1968	948
1969	731
1970	312
1971	669
1972	866
1973	587
1974	881
1975	459
1976	484
1977	1,216
1978	1,458
1979	1,185
1980	868
1981	2,080
1982	1,029
1983	636
1984	528
1985	790
1986	1,589
1987	719
1988	695
1989	1,032
1990	2,147
1991	921
1992	446
1993	1,541
1994	1,605
1995	1,427
1996	1,258
1997	1,326
1998	1,104
1999	498
2000	724
2001	485
2002	1,070
2003	771
2004	991
2005	626
2006	1,635
2007	580
2008	847
2009	530
2010	1,096
2011	1,433
2012	514
2013	422
2014	958
2015	2,790
2016	1,090
2017	1,736
2018	2,890
2019	1,630
2020	686
2021	947
2022	592
2023	438
2024	613
2025	1,756
2026	974

Download the Data

Data for records on 1971-02-20: 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 100	527
100 to 200	26
200 to 300	4
300 to 400	3
400 to 500	0
500 to 600	1