Weather Records on 20 October 1951

279 weather records were set or tied worldwide on 20 October 1951. Highest significance: Piracuruca, BR.

Key Facts for 20 October 1951

On 20 October 1951, 279 weather records were set or tied at long-record stations worldwide.
27 were record highs and 87 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 4 monthly and 274 daily.
Piracuruca set a monthly record daily precipitation of 72.0 mm (2.8 in) on 20 October 1951.
Across 160 earlier years (1806 to 2025) the same calendar date averaged 458 records.

Record Map

279 stations

279 station records on 20 October 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 October 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Piracuruca	Brazil	Record daily precipitation	72.0 mm (2.8 in)	57 of 100 (Notable)
Potchefstroom Agr.	South Africa	Record daily precipitation	71.9 mm (2.8 in)	54 of 100 (Notable)
Eaglehawk Neck (Jetty Road)	Australia	Record daily precipitation	70.6 mm (2.8 in)	51 of 100 (Notable)
Progress	South Africa	Record daily precipitation	47.5 mm (1.9 in)	45 of 100 (Notable)
Sasvad	India	Record daily precipitation	82.0 mm (3.2 in)	44 of 100 (Notable)
Fredrikstad (Sar)	South Africa	Record daily precipitation	87.4 mm (3.4 in)	44 of 100 (Notable)
Zamenkomst	South Africa	Record daily precipitation	48.3 mm (1.9 in)	42 of 100 (Notable)
Chintamani	India	Record daily precipitation	96.0 mm (3.8 in)	40 of 100 (Notable)
Tortosa - Observatorio del Ebr	Spain	Record daily precipitation	113.0 mm (4.4 in)	39 of 100 (Notable)
Poona	India	Record daily precipitation	63.0 mm (2.5 in)	33 of 100 (Routine)
Dharmsala Lower	India	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Shiggaon	India	Record daily precipitation	51.8 mm (2.0 in)	32 of 100 (Routine)
Chiknayakanihall	India	Record daily precipitation	67.3 mm (2.6 in)	32 of 100 (Routine)
Hartebeespoort-Agrc.	South Africa	Record daily precipitation	28.4 mm (1.1 in)	32 of 100 (Routine)
Bagalkot	India	Record daily precipitation	53.3 mm (2.1 in)	31 of 100 (Routine)
Jamkhed	India	Record daily precipitation	54.6 mm (2.1 in)	31 of 100 (Routine)
Leliefontein	South Africa	Record daily precipitation	34.3 mm (1.4 in)	31 of 100 (Routine)
Bowman	United States	Record daily snowfall	11.4 cm (4.5 in)	31 of 100 (Routine)
Doornbult	South Africa	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Scott Cda	Canada	Record low minimum temperature	-21.7 C (-7.1 F)	28 of 100 (Routine)
Ettumanur	India	Record daily precipitation	101.6 mm (4.0 in)	28 of 100 (Routine)
Villupuram	India	Record daily precipitation	94.7 mm (3.7 in)	28 of 100 (Routine)
Potchefstroom	South Africa	Record daily precipitation	78.5 mm (3.1 in)	28 of 100 (Routine)
Kahoma Intake 374	United States	Record daily precipitation	32.0 mm (1.3 in)	28 of 100 (Routine)
Broome Post Office	Australia	Record high maximum temperature	40.6 C (105.1 F)	27 of 100 (Routine)
Monticello 5 SE	United States	Record daily precipitation	44.5 mm (1.8 in)	27 of 100 (Routine)
Burketown Post Office	Australia	Record high maximum temperature	40.0 C (104.0 F)	26 of 100 (Routine)
Alandi	India	Record daily precipitation	64.5 mm (2.5 in)	26 of 100 (Routine)
Markovo	Russia	Record high maximum temperature	3.9 C (39.0 F)	26 of 100 (Routine)
Quesnel	Canada	Record low maximum temperature	-1.1 C (30.0 F)	25 of 100 (Routine)
Indian Head Cda	Canada	Record low maximum temperature	-3.3 C (26.1 F)	25 of 100 (Routine)
Potchefstroom Upper	South Africa	Record daily precipitation	33.8 mm (1.3 in)	25 of 100 (Routine)
Slurry	South Africa	Record daily precipitation	25.9 mm (1.0 in)	25 of 100 (Routine)
Port Arthur	Australia	Record daily precipitation	64.8 mm (2.6 in)	24 of 100 (Routine)
Wetaskiwin	Canada	Record low maximum temperature	-5.6 C (21.9 F)	24 of 100 (Routine)
Waseca	Canada	Record low minimum temperature	-20.6 C (-5.1 F)	24 of 100 (Routine)
Brady Aznoe	United States	Record daily snowfall	6.4 cm (2.5 in)	24 of 100 (Routine)
Big Creek	Canada	Record low maximum temperature	-3.3 C (26.1 F)	23 of 100 (Routine)
Chamarajnagar	India	Record daily precipitation	58.4 mm (2.3 in)	23 of 100 (Routine)
Buffelshoek	South Africa	Record daily precipitation	32.0 mm (1.3 in)	23 of 100 (Routine)
Babb 6 NE	United States	Record low maximum temperature	-5.0 C (23.0 F)	23 of 100 (Routine)
Barkerville	Canada	Record low maximum temperature	-2.2 C (28.0 F)	22 of 100 (Routine)
Revelstoke	Canada	Record low maximum temperature	3.9 C (39.0 F)	22 of 100 (Routine)
Sion	Canada	Record low maximum temperature	-5.6 C (21.9 F)	22 of 100 (Routine)
Deols Chateauroux Aerodrome de	France	Record low maximum temperature	7.2 C (45.0 F)	22 of 100 (Routine)
Beatrix	South Africa	Record daily precipitation	35.6 mm (1.4 in)	22 of 100 (Routine)
Haparanda	Sweden	Record high minimum temperature	7.6 C (45.7 F)	22 of 100 (Routine)
Melfort	Canada	Record low minimum temperature	-21.1 C (-6.0 F)	21 of 100 (Routine)
Mulakumood	India	Record daily precipitation	82.6 mm (3.3 in)	21 of 100 (Routine)
Koolau Dam 833	United States	Record daily precipitation	51.8 mm (2.0 in)	21 of 100 (Routine)
Gavar	Armenia	Record daily precipitation	19.4 mm (0.8 in)	20 of 100 (Routine)
Gyzylarbat	Turkmenistan	Record daily precipitation	12.8 mm (0.5 in)	20 of 100 (Routine)
Vernon Coldstream Ranch	Canada	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Bottineau	United States	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Glasgow #2	United States	Record daily snowfall	3.8 cm (1.5 in)	20 of 100 (Routine)
Queenscliff	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Hallock	United States	Record daily snowfall	3.8 cm (1.5 in)	20 of 100 (Routine)
Livingston	United States	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Poortjie	South Africa	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Hebgen Dam	United States	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)

Counts by Type and Timescale

279 records

Records set or tied on 20 October 1951 by type: Highest daily maximum 14, Lowest daily maximum 62, Highest daily minimum 13, Lowest daily minimum 25, Heaviest daily rainfall 139, Heaviest daily snowfall 25, Deepest snow cover 1.

Records on 20 October 1951 by type
Record type	Records
Highest daily maximum	14
Lowest daily maximum	62
Highest daily minimum	13
Lowest daily minimum	25
Heaviest daily rainfall	139
Heaviest daily snowfall	25
Deepest snow cover	1

Records on 20 October 1951 by timescale: all-time 1, monthly 4, daily 274.

How Much Records Were Beaten By

235 broken records

Margins by which the 235 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 114.0. Ties are not counted.

Top 20 by Significance

20 October 1951

Top 20 records on 20 October 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 October 1951	Piracuruca, BR	monthly rain	72.0 mm (2.8 in)	31.5 mm (1.2 in)	36 years	57 of 100 (Notable)
20 October 1951	Potchefstroom Agr., ZA	monthly rain	71.9 mm (2.8 in)	23.7 mm (0.9 in)	35 years	54 of 100 (Notable)
20 October 1951	Eaglehawk Neck (Jetty Road), AU	daily rain	70.6 mm (2.8 in)	42.2 mm (1.7 in)	18 years	51 of 100 (Notable)
20 October 1951	Progress, ZA	daily rain	47.5 mm (1.9 in)	30.7 mm (1.2 in)	12 years	45 of 100 (Notable)
20 October 1951	Sasvad, IN	daily rain	82.0 mm (3.2 in)	51.3 mm (2.0 in)	18 years	44 of 100 (Notable)
20 October 1951	Fredrikstad (Sar), ZA	all-time rain	87.4 mm (3.4 in)	14.8 mm (0.6 in)	17 years	44 of 100 (Notable)
20 October 1951	Zamenkomst, ZA	daily rain	48.3 mm (1.9 in)	36.9 mm (1.5 in)	20 years	42 of 100 (Notable)
20 October 1951	Chintamani, IN	daily rain	96.0 mm (3.8 in)	51.5 mm (2.0 in)	28 years	40 of 100 (Notable)
20 October 1951	Tortosa - Observatorio del Ebr, ES	daily rain	113.0 mm (4.4 in)	56.6 mm (2.2 in)	10 years	39 of 100 (Notable)
20 October 1951	Poona, IN	daily rain	63.0 mm (2.5 in)	34.6 mm (1.4 in)	18 years	33 of 100 (Routine)
20 October 1951	Dharmsala Lower, IN	daily rain	50.8 mm (2.0 in)	40.9 mm (1.6 in)	5 years	32 of 100 (Routine)
20 October 1951	Shiggaon, IN	daily rain	51.8 mm (2.0 in)	21.3 mm (0.8 in)	46 years	32 of 100 (Routine)
20 October 1951	Chiknayakanihall, IN	daily rain	67.3 mm (2.6 in)	45.5 mm (1.8 in)	18 years	32 of 100 (Routine)
20 October 1951	Hartebeespoort-Agrc., ZA	daily rain	28.4 mm (1.1 in)	21.5 mm (0.8 in)	20 years	32 of 100 (Routine)
20 October 1951	Bagalkot, IN	daily rain	53.3 mm (2.1 in)	35.8 mm (1.4 in)	22 years	31 of 100 (Routine)
20 October 1951	Jamkhed, IN	daily rain	54.6 mm (2.1 in)	29.2 mm (1.1 in)	26 years	31 of 100 (Routine)
20 October 1951	Leliefontein, ZA	daily rain	34.3 mm (1.4 in)	26.7 mm (1.1 in)	6 years	31 of 100 (Routine)
20 October 1951	Bowman, US	daily snowfall	11.4 cm (4.5 in)	11.4 cm (4.5 in)	36 years	31 of 100 (Routine)
20 October 1951	Doornbult, ZA	daily rain	27.9 mm (1.1 in)	21.0 mm (0.8 in)	22 years	30 of 100 (Routine)
20 October 1951	Scott Cda, CA	daily low min	-21.7 C (-7.1 F)	9.5 C (17.1 F)	20 years	28 of 100 (Routine)

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 1951

Records set or tied on this calendar date in each year from 1806 to 1951. 1951 had 279 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 1951-10-20: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	195
20 to 40	29
40 to 60	9
60 to 80	1
80 to 100	0
100 to 120	1