Weather Records on 20 February 1957

450 weather records were set or tied worldwide on 20 February 1957. Highest significance: Clark 4 SW, US.

Key Facts for 20 February 1957

On 20 February 1957, 450 weather records were set or tied at long-record stations worldwide.
94 were record highs and 97 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 11 monthly and 438 daily.
Clark 4 SW set a monthly record daily snowfall of 26.7 cm (10.5 in) on 20 February 1957.
Across 162 earlier years (1809 to 2026) the same calendar date averaged 513 records.

Record Map

450 stations

450 station records on 20 February 1957 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 February 1957: highest significance records shown on the map
Station	Country	Type	Value	Significance
Clark 4 SW	United States	Record daily snowfall	26.7 cm (10.5 in)	57 of 100 (Notable)
Alexandria (Pol)	South Africa	Record daily precipitation	79.5 mm (3.1 in)	51 of 100 (Notable)
Caldwell	United States	Record daily snowfall	26.7 cm (10.5 in)	51 of 100 (Notable)
Coonamble (Pier Pier)	Australia	Record daily precipitation	81.5 mm (3.2 in)	50 of 100 (Notable)
Walgett (Euroka)	Australia	Record daily precipitation	72.1 mm (2.8 in)	47 of 100 (Notable)
Caledon (Pol)	South Africa	Record daily precipitation	26.5 mm (1.0 in)	47 of 100 (Notable)
Cookhouse (Sar)	South Africa	Record daily precipitation	91.0 mm (3.6 in)	47 of 100 (Notable)
Carinda (Boorooma)	Australia	Record daily precipitation	121.7 mm (4.8 in)	46 of 100 (Notable)
Mount Wilson (Nooroo)	Australia	Record daily precipitation	75.4 mm (3.0 in)	45 of 100 (Notable)
Haxby 18 SW	United States	Record daily snowfall	12.7 cm (5.0 in)	45 of 100 (Notable)
Meridian 1 W	United States	Record daily snowfall	20.3 cm (8.0 in)	44 of 100 (Notable)
Buffalo Bill Dam	United States	Record daily snowfall	15.2 cm (6.0 in)	44 of 100 (Notable)
Gnomery	Australia	Record daily precipitation	65.3 mm (2.6 in)	42 of 100 (Notable)
Coonamble (Nardoo)	Australia	Record daily precipitation	76.2 mm (3.0 in)	42 of 100 (Notable)
Powell	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Bundanoon Bowling Club	Australia	Record daily precipitation	81.0 mm (3.2 in)	41 of 100 (Notable)
Longvale	South Africa	Record daily precipitation	72.0 mm (2.8 in)	36 of 100 (Notable)
Grahamstown	South Africa	Record daily precipitation	58.2 mm (2.3 in)	36 of 100 (Notable)
Kamferskraal	South Africa	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Millers Creek	Australia	Record daily precipitation	52.6 mm (2.1 in)	35 of 100 (Notable)
Mount Victoria (Mt Victoria (S	Australia	Record daily precipitation	57.9 mm (2.3 in)	35 of 100 (Notable)
Lima	United States	Record daily snowfall	15.2 cm (6.0 in)	35 of 100 (Notable)
Walgett Council Depot	Australia	Record daily precipitation	64.5 mm (2.5 in)	33 of 100 (Routine)
Somerton Post Office	Australia	Record daily precipitation	40.6 mm (1.6 in)	33 of 100 (Routine)
Charters Towers Post Office	Australia	Record low minimum temperature	15.0 C (59.0 F)	32 of 100 (Routine)
Goodooga Post Office	Australia	Record daily precipitation	42.2 mm (1.7 in)	32 of 100 (Routine)
Quambone Station	Australia	Record daily precipitation	37.8 mm (1.5 in)	32 of 100 (Routine)
Loerie (Bos)	South Africa	Record daily precipitation	43.0 mm (1.7 in)	32 of 100 (Routine)
Touws River	South Africa	Record daily precipitation	26.8 mm (1.1 in)	32 of 100 (Routine)
Willow Tree (Highlands)	Australia	Record daily precipitation	71.9 mm (2.8 in)	31 of 100 (Routine)
Warren (Eenaweena)	Australia	Record daily precipitation	31.0 mm (1.2 in)	30 of 100 (Routine)
Fir Glen	South Africa	Record daily precipitation	55.2 mm (2.2 in)	30 of 100 (Routine)
Haden Post Office	Australia	Record daily precipitation	60.2 mm (2.4 in)	29 of 100 (Routine)
Virden	Canada	Record low maximum temperature	-15.6 C (3.9 F)	29 of 100 (Routine)
Willowmore	South Africa	Record daily precipitation	26.5 mm (1.0 in)	29 of 100 (Routine)
Faith	United States	Record daily snowfall	7.6 cm (3.0 in)	29 of 100 (Routine)
Alpine	United States	Record daily precipitation	33.3 mm (1.3 in)	29 of 100 (Routine)
Seattle Urban Site	United States	Record snow depth	10.2 cm (4.0 in)	29 of 100 (Routine)
Batemans Bay Post Office	Australia	Record daily precipitation	56.1 mm (2.2 in)	28 of 100 (Routine)
Hankey (Pol)	South Africa	Record daily precipitation	29.5 mm (1.2 in)	28 of 100 (Routine)
Heppner	United States	Record daily snowfall	10.2 cm (4.0 in)	28 of 100 (Routine)
Coupeville 1 S	United States	Record low minimum temperature	-8.9 C (16.0 F)	28 of 100 (Routine)
Alexandria (Bos)	South Africa	Record daily precipitation	61.0 mm (2.4 in)	27 of 100 (Routine)
Steytlerville (Mag)	South Africa	Record daily precipitation	28.0 mm (1.1 in)	27 of 100 (Routine)
Kubusie (Bos)	South Africa	Record daily precipitation	46.0 mm (1.8 in)	27 of 100 (Routine)
Carinda Post Office	Australia	Record daily precipitation	85.6 mm (3.4 in)	26 of 100 (Routine)
Quabathoo	Australia	Record daily precipitation	77.2 mm (3.0 in)	26 of 100 (Routine)
Ravensworth (Hillview)	Australia	Record daily precipitation	32.8 mm (1.3 in)	26 of 100 (Routine)
Jerrys Plains Post Office	Australia	Record daily precipitation	29.0 mm (1.1 in)	26 of 100 (Routine)
Parma Exp STN	United States	Record daily snowfall	15.2 cm (6.0 in)	26 of 100 (Routine)
Buckley 1 NE	United States	Record daily snowfall	15.2 cm (6.0 in)	26 of 100 (Routine)
Rosalia	United States	Record low maximum temperature	-6.7 C (19.9 F)	26 of 100 (Routine)
Spokane Intl AP	United States	Record low maximum temperature	-6.1 C (21.0 F)	26 of 100 (Routine)
Little Hartley (Sheepcombe)	Australia	Record daily precipitation	30.0 mm (1.2 in)	25 of 100 (Routine)
Pennant Hills (Yarrara Road)	Australia	Record daily precipitation	42.2 mm (1.7 in)	25 of 100 (Routine)
Moruya Heads Pilot Station	Australia	Record daily precipitation	69.1 mm (2.7 in)	25 of 100 (Routine)
Moscow U of I	United States	Record low maximum temperature	-2.8 C (27.0 F)	25 of 100 (Routine)
Saint Maries	United States	Record low maximum temperature	-5.0 C (23.0 F)	25 of 100 (Routine)
Mocksville 5SE	United States	Record daily precipitation	25.7 mm (1.0 in)	25 of 100 (Routine)
Pechipparai	India	Record daily precipitation	55.9 mm (2.2 in)	24 of 100 (Routine)

Counts by Type and Timescale

450 records

Records set or tied on 20 February 1957 by type: Highest daily maximum 14, Lowest daily maximum 70, Highest daily minimum 80, Lowest daily minimum 27, Heaviest daily rainfall 224, Heaviest daily snowfall 30, Deepest snow cover 5.

Records on 20 February 1957 by type
Record type	Records
Highest daily maximum	14
Lowest daily maximum	70
Highest daily minimum	80
Lowest daily minimum	27
Heaviest daily rainfall	224
Heaviest daily snowfall	30
Deepest snow cover	5

Records on 20 February 1957 by timescale: all-time 1, monthly 11, daily 438.

How Much Records Were Beaten By

380 broken records

Margins by which the 380 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 230.0. Ties are not counted.

Top 20 by Significance

20 February 1957

Top 20 records on 20 February 1957 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 February 1957	Clark 4 SW, US	monthly snowfall	26.7 cm (10.5 in)	8.9 cm (3.5 in)	41 years	57 of 100 (Notable)
20 February 1957	Alexandria (Pol), ZA	daily rain	79.5 mm (3.1 in)	57.7 mm (2.3 in)	14 years	51 of 100 (Notable)
20 February 1957	Caldwell, US	monthly snowfall	26.7 cm (10.5 in)	8.9 cm (3.5 in)	24 years	51 of 100 (Notable)
20 February 1957	Coonamble (Pier Pier), AU	daily rain	81.5 mm (3.2 in)	39.8 mm (1.6 in)	48 years	50 of 100 (Notable)
20 February 1957	Walgett (Euroka), AU	daily rain	72.1 mm (2.8 in)	44.4 mm (1.7 in)	48 years	47 of 100 (Notable)
20 February 1957	Caledon (Pol), ZA	daily rain	26.5 mm (1.0 in)	17.1 mm (0.7 in)	62 years	47 of 100 (Notable)
20 February 1957	Cookhouse (Sar), ZA	daily rain	91.0 mm (3.6 in)	52.9 mm (2.1 in)	5 years	47 of 100 (Notable)
20 February 1957	Carinda (Boorooma), AU	all-time rain	121.7 mm (4.8 in)	4.4 mm (0.17 in)	59 years	46 of 100 (Notable)
20 February 1957	Mount Wilson (Nooroo), AU	daily rain	75.4 mm (3.0 in)	46.2 mm (1.8 in)	48 years	45 of 100 (Notable)
20 February 1957	Haxby 18 SW, US	daily snowfall	12.7 cm (5.0 in)	11.4 cm (4.5 in)	8 years	45 of 100 (Notable)
20 February 1957	Meridian 1 W, US	daily snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	37 years	44 of 100 (Notable)
20 February 1957	Buffalo Bill Dam, US	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	47 years	44 of 100 (Notable)
20 February 1957	Gnomery, AU	daily rain	65.3 mm (2.6 in)	21.4 mm (0.8 in)	66 years	42 of 100 (Notable)
20 February 1957	Coonamble (Nardoo), AU	daily rain	76.2 mm (3.0 in)	41.1 mm (1.6 in)	48 years	42 of 100 (Notable)
20 February 1957	Powell, US	daily snowfall	7.6 cm (3.0 in)	6.3 cm (2.5 in)	47 years	42 of 100 (Notable)
20 February 1957	Bundanoon Bowling Club, AU	daily rain	81.0 mm (3.2 in)	51.8 mm (2.0 in)	29 years	41 of 100 (Notable)
20 February 1957	Longvale, ZA	monthly rain	72.0 mm (2.8 in)	17.1 mm (0.7 in)	18 years	36 of 100 (Notable)
20 February 1957	Grahamstown, ZA	daily rain	58.2 mm (2.3 in)	5.4 mm (0.21 in)	76 years	36 of 100 (Notable)
20 February 1957	Kamferskraal, ZA	daily rain	30.0 mm (1.2 in)	13.2 mm (0.5 in)	60 years	36 of 100 (Notable)
20 February 1957	Millers Creek, AU	daily rain	52.6 mm (2.1 in)	33.8 mm (1.3 in)	38 years	35 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 1957

Records set or tied on this calendar date in each year from 1809 to 1957. 1957 had 450 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 1957-02-20: 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 50	365
50 to 100	10
100 to 150	4
150 to 200	0
200 to 250	1