Weather Records on 12 May 1951

427 weather records were set or tied worldwide on 12 May 1951. Highest significance: Schelm, ZA.

Key Facts for 12 May 1951

On 12 May 1951, 427 weather records were set or tied at long-record stations worldwide.
30 were record highs and 195 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 422 daily.
Schelm set a daily record precipitation of 30.7 mm (1.2 in) on 12 May 1951.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 453 records.

Record Map

427 stations

427 station records on 12 May 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Schelm	South Africa	Record daily precipitation	30.7 mm (1.2 in)	51 of 100 (Notable)
Middlekop (Bos)	South Africa	Record daily precipitation	43.9 mm (1.7 in)	47 of 100 (Notable)
Tshakhuma	South Africa	Record daily precipitation	51.3 mm (2.0 in)	44 of 100 (Notable)
Gorki	Belarus	Record daily precipitation	25.9 mm (1.0 in)	43 of 100 (Notable)
The Downs	South Africa	Record daily precipitation	56.9 mm (2.2 in)	43 of 100 (Notable)
Broederstroom (Bos)	South Africa	Record daily precipitation	69.6 mm (2.7 in)	40 of 100 (Notable)
Sibasa	South Africa	Record daily precipitation	29.0 mm (1.1 in)	38 of 100 (Notable)
Bandon 2 NNE	United States	Record daily precipitation	31.0 mm (1.2 in)	38 of 100 (Notable)
Herefoss	Norway	Record snow depth	16.0 cm (6.3 in)	37 of 100 (Notable)
Casterton (Warrock)	Australia	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Piranhas (Marechal Floriano)	Brazil	Record daily precipitation	32.0 mm (1.3 in)	36 of 100 (Notable)
Fitchburg 4 SE	United States	Record daily precipitation	32.8 mm (1.3 in)	35 of 100 (Notable)
Groton	United States	Record daily precipitation	27.9 mm (1.1 in)	35 of 100 (Notable)
Bochum-1	South Africa	Record daily precipitation	31.8 mm (1.3 in)	34 of 100 (Routine)
Aseral	Norway	Record snow depth	26.0 cm (10.2 in)	32 of 100 (Routine)
Vincennes 4 E	United States	Record low maximum temperature	11.1 C (52.0 F)	32 of 100 (Routine)
Belton (Shadow Vale)	Australia	Record daily precipitation	30.5 mm (1.2 in)	31 of 100 (Routine)
Golden A	Canada	Record daily precipitation	26.7 mm (1.1 in)	31 of 100 (Routine)
Tuddal	Norway	Record snow depth	32.0 cm (12.6 in)	31 of 100 (Routine)
Redding Fire STN 2	United States	Record low minimum temperature	2.2 C (36.0 F)	31 of 100 (Routine)
Girona (Antic Institut)	Spain	Record low maximum temperature	12.5 C (54.5 F)	30 of 100 (Routine)
Hebbronville	United States	Record daily precipitation	79.2 mm (3.1 in)	30 of 100 (Routine)
Postmyr I Drangedal	Norway	Record snow depth	49.0 cm (19.3 in)	29 of 100 (Routine)
Magdeburg	Germany	Record low minimum temperature	0.1 C (32.2 F)	28 of 100 (Routine)
Klein Australie (Bos)	South Africa	Record daily precipitation	37.1 mm (1.5 in)	28 of 100 (Routine)
Millington 1 SE	United States	Record daily precipitation	59.9 mm (2.4 in)	28 of 100 (Routine)
Thermopolis	United States	Record high minimum temperature	11.7 C (53.1 F)	28 of 100 (Routine)
Berlin-Dahlem	Germany	Record low minimum temperature	-0.3 C (31.5 F)	27 of 100 (Routine)
Hedal I Valdres	Norway	Record snow depth	53.0 cm (20.9 in)	27 of 100 (Routine)
Kurgan	Russia	Record low minimum temperature	-7.7 C (18.1 F)	27 of 100 (Routine)
Tahoe City	United States	Record daily snowfall	7.6 cm (3.0 in)	27 of 100 (Routine)
Middletown 4 W	United States	Record daily precipitation	26.2 mm (1.0 in)	27 of 100 (Routine)
Seymour 1 WSW	United States	Record low maximum temperature	11.1 C (52.0 F)	27 of 100 (Routine)
Carrieton (Yanyarrie)	Australia	Record daily precipitation	29.2 mm (1.1 in)	26 of 100 (Routine)
Mosita	South Africa	Record daily precipitation	36.8 mm (1.4 in)	26 of 100 (Routine)
Pocahontas 1	United States	Record low minimum temperature	3.3 C (37.9 F)	26 of 100 (Routine)
Paoli	United States	Record low maximum temperature	8.3 C (46.9 F)	26 of 100 (Routine)
Webster	United States	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Bolivar Wtr Wks	United States	Record low minimum temperature	3.3 C (37.9 F)	26 of 100 (Routine)
Brisbane Regional Office	Australia	Record low minimum temperature	7.8 C (46.0 F)	25 of 100 (Routine)
Randwick Bowling Club	Australia	Record daily precipitation	32.0 mm (1.3 in)	25 of 100 (Routine)
Hailey 3 NNW	United States	Record low maximum temperature	5.6 C (42.1 F)	25 of 100 (Routine)
Busby	United States	Record high minimum temperature	14.4 C (57.9 F)	25 of 100 (Routine)
Haenertsburg (Pol)	South Africa	Record daily precipitation	27.2 mm (1.1 in)	24 of 100 (Routine)
Duiwelskloof (Mun)	South Africa	Record daily precipitation	25.1 mm (1.0 in)	24 of 100 (Routine)
Idaho City	United States	Record low maximum temperature	7.8 C (46.0 F)	24 of 100 (Routine)
Shoals 8 S	United States	Record low maximum temperature	8.3 C (46.9 F)	24 of 100 (Routine)
Nashua 2 NNW	United States	Record daily precipitation	25.9 mm (1.0 in)	24 of 100 (Routine)
El-Golea	Algeria	Record low minimum temperature	9.5 C (49.1 F)	23 of 100 (Routine)
Bliss 4 NW	United States	Record low maximum temperature	10.0 C (50.0 F)	23 of 100 (Routine)
Columbus	United States	Record low maximum temperature	10.6 C (51.1 F)	23 of 100 (Routine)
Greencastle 1 W	United States	Record low maximum temperature	8.3 C (46.9 F)	23 of 100 (Routine)
Billings Wtp	United States	Record high minimum temperature	11.7 C (53.1 F)	23 of 100 (Routine)
Salem AP (McNary Field)	United States	Record low maximum temperature	10.0 C (50.0 F)	23 of 100 (Routine)
Bundaberg Post Office	Australia	Record low minimum temperature	6.7 C (44.1 F)	22 of 100 (Routine)
Belle Isle	Canada	Record high maximum temperature	8.9 C (48.0 F)	22 of 100 (Routine)
Halle	Germany	Record low minimum temperature	0.3 C (32.5 F)	22 of 100 (Routine)
Atlanta 1 E	United States	Record low maximum temperature	2.2 C (36.0 F)	22 of 100 (Routine)
Scottsburg	United States	Record low maximum temperature	9.4 C (48.9 F)	22 of 100 (Routine)
Marble Hill	United States	Record low minimum temperature	1.7 C (35.1 F)	22 of 100 (Routine)

Counts by Type and Timescale

427 records

Records set or tied on 12 May 1951 by type: Highest daily maximum 9, Lowest daily maximum 116, Highest daily minimum 21, Lowest daily minimum 79, Heaviest daily rainfall 195, Heaviest daily snowfall 2, Deepest snow cover 5.

Records on 12 May 1951 by type
Record type	Records
Highest daily maximum	9
Lowest daily maximum	116
Highest daily minimum	21
Lowest daily minimum	79
Heaviest daily rainfall	195
Heaviest daily snowfall	2
Deepest snow cover	5

Records on 12 May 1951 by timescale: all-time 0, monthly 5, daily 422.

How Much Records Were Beaten By

347 broken records

Margins by which the 347 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 270.0. Ties are not counted.

Top 20 by Significance

12 May 1951

Top 20 records on 12 May 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1951	Schelm, ZA	daily rain	30.7 mm (1.2 in)	27.7 mm (1.1 in)	26 years	51 of 100 (Notable)
12 May 1951	Middlekop (Bos), ZA	daily rain	43.9 mm (1.7 in)	35.3 mm (1.4 in)	26 years	47 of 100 (Notable)
12 May 1951	Tshakhuma, ZA	daily rain	51.3 mm (2.0 in)	44.7 mm (1.8 in)	28 years	44 of 100 (Notable)
12 May 1951	Gorki, BY	daily rain	25.9 mm (1.0 in)	13.4 mm (0.5 in)	40 years	43 of 100 (Notable)
12 May 1951	The Downs, ZA	daily rain	56.9 mm (2.2 in)	45.5 mm (1.8 in)	0 years	43 of 100 (Notable)
12 May 1951	Broederstroom (Bos), ZA	daily rain	69.6 mm (2.7 in)	50.8 mm (2.0 in)	0 years	40 of 100 (Notable)
12 May 1951	Sibasa, ZA	daily rain	29.0 mm (1.1 in)	29.0 mm (1.1 in)	46 years	38 of 100 (Notable)
12 May 1951	Bandon 2 NNE, US	daily rain	31.0 mm (1.2 in)	20.6 mm (0.8 in)	5 years	38 of 100 (Notable)
12 May 1951	Herefoss, NO	daily snow depth	16.0 cm (6.3 in)	16.0 cm (6.3 in)	54 years	37 of 100 (Notable)
12 May 1951	Casterton (Warrock), AU	monthly rain	30.5 mm (1.2 in)	1.3 mm (0.05 in)	57 years	36 of 100 (Notable)
12 May 1951	Piranhas (Marechal Floriano), BR	daily rain	32.0 mm (1.3 in)	19.0 mm (0.7 in)	13 years	36 of 100 (Notable)
12 May 1951	Fitchburg 4 SE, US	daily rain	32.8 mm (1.3 in)	15.0 mm (0.6 in)	55 years	35 of 100 (Notable)
12 May 1951	Groton, US	daily rain	27.9 mm (1.1 in)	13.9 mm (0.5 in)	53 years	35 of 100 (Notable)
12 May 1951	Bochum-1, ZA	daily rain	31.8 mm (1.3 in)	27.2 mm (1.1 in)	14 years	34 of 100 (Routine)
12 May 1951	Aseral, NO	daily snow depth	26.0 cm (10.2 in)	17.0 cm (6.7 in)	33 years	32 of 100 (Routine)
12 May 1951	Vincennes 4 E, US	daily low max	11.1 C (52.0 F)	6.1 C (11.0 F)	55 years	32 of 100 (Routine)
12 May 1951	Belton (Shadow Vale), AU	daily rain	30.5 mm (1.2 in)	15.8 mm (0.6 in)	32 years	31 of 100 (Routine)
12 May 1951	Golden A, CA	daily rain	26.7 mm (1.1 in)	9.4 mm (0.37 in)	22 years	31 of 100 (Routine)
12 May 1951	Tuddal, NO	daily snow depth	32.0 cm (12.6 in)	27.0 cm (10.6 in)	26 years	31 of 100 (Routine)
12 May 1951	Redding Fire STN 2, US	daily low min	2.2 C (36.0 F)	3.9 C (7.0 F)	54 years	31 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

1814 to 1951

Records set or tied on this calendar date in each year from 1814 to 1951. 1951 had 427 records.

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

Records on 05-12 in each year
Year	Records
1814	2
1823	1
1825	1
1827	1
1834	1
1837	1
1838	1
1845	1
1847	1
1848	1
1849	2
1851	1
1855	2
1860	2
1862	2
1863	1
1867	1
1868	1
1872	2
1874	1
1877	1
1878	1
1879	1
1881	4
1882	5
1884	3
1885	2
1886	3
1887	1
1888	1
1889	1
1890	1
1891	4
1894	1
1895	1
1896	1
1897	7
1898	3
1900	3
1901	6
1902	5
1903	7
1904	11
1905	10
1906	20
1907	53
1908	12
1909	4
1910	9
1911	37
1912	46
1913	6
1914	36
1915	50
1916	42
1917	54
1918	113
1919	42
1920	19
1921	64
1922	43
1923	109
1924	245
1925	275
1926	121
1927	167
1928	192
1929	172
1930	500
1931	350
1932	199
1933	476
1934	293
1935	404
1936	329
1937	214
1938	394
1939	233
1940	440
1941	568
1942	418
1943	803
1944	368
1945	389
1946	653
1947	286
1948	390
1949	414
1950	283
1951	427
1952	711
1953	891
1954	305
1955	265
1956	1,568
1957	454
1958	714
1959	740
1960	1,583
1961	381
1962	713
1963	777
1964	401
1965	196
1966	909
1967	810
1968	890
1969	506
1970	698
1971	668
1972	641
1973	393
1974	702
1975	418
1976	541
1977	855
1978	802
1979	763
1980	684
1981	855
1982	763
1983	1,281
1984	887
1985	1,199
1986	473
1987	1,295
1988	619
1989	856
1990	617
1991	1,177
1992	1,022
1993	1,208
1994	738
1995	1,190
1996	1,420
1997	921
1998	1,576
1999	881
2000	1,486
2001	1,015
2002	1,027
2003	861
2004	1,054
2005	1,369
2006	797
2007	630
2008	858
2009	687
2010	1,250
2011	1,119
2012	660
2013	689
2014	949
2015	958
2016	421
2017	529
2018	819
2019	784
2020	1,338
2021	712
2022	1,930
2023	429
2024	447
2025	940
2026	1,110

Download the Data

Data for records on 1951-05-12: 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 50	340
50 to 100	2
100 to 150	0
150 to 200	2
200 to 250	1
250 to 300	2