Weather Records on 12 May 1937

214 weather records were set or tied worldwide on 12 May 1937. Highest significance: Butterworth (Tnk), ZA.

Key Facts for 12 May 1937

On 12 May 1937, 214 weather records were set or tied at long-record stations worldwide.
76 were record highs and 13 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 210 daily.
Butterworth (Tnk) set a daily record precipitation of 36.6 mm (1.4 in) on 12 May 1937.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 454 records.

Record Map

214 stations

214 station records on 12 May 1937 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1937: highest significance records shown on the map
Station	Country	Type	Value	Significance
Butterworth (Tnk)	South Africa	Record daily precipitation	36.6 mm (1.4 in)	48 of 100 (Notable)
Lillydale	South Africa	Record daily precipitation	32.3 mm (1.3 in)	46 of 100 (Notable)
Vestervig	Denmark	Record daily precipitation	28.3 mm (1.1 in)	45 of 100 (Notable)
Esk Post Office	Australia	Record daily precipitation	40.1 mm (1.6 in)	43 of 100 (Notable)
Ashwood	United States	Record daily precipitation	82.6 mm (3.3 in)	41 of 100 (Notable)
Jansenville	South Africa	Record daily precipitation	31.8 mm (1.3 in)	40 of 100 (Notable)
Aberdeen (Tnk)	South Africa	Record daily precipitation	31.8 mm (1.3 in)	39 of 100 (Notable)
Hayward Rs	United States	Record daily precipitation	57.4 mm (2.3 in)	39 of 100 (Notable)
Kieskamahoek (Pol)	South Africa	Record daily precipitation	32.3 mm (1.3 in)	29 of 100 (Routine)
Lady Grey (Pol)	South Africa	Record daily precipitation	39.4 mm (1.6 in)	29 of 100 (Routine)
Gumma	India	Record daily precipitation	49.5 mm (1.9 in)	28 of 100 (Routine)
Kolar	India	Record daily precipitation	35.1 mm (1.4 in)	26 of 100 (Routine)
Jamestown	South Africa	Record daily precipitation	40.9 mm (1.6 in)	25 of 100 (Routine)
Worsham	United States	Record daily precipitation	47.2 mm (1.9 in)	25 of 100 (Routine)
Escalante	United States	Record high minimum temperature	13.3 C (55.9 F)	25 of 100 (Routine)
Bangarpet	India	Record daily precipitation	44.5 mm (1.8 in)	24 of 100 (Routine)
Rajahmundry	India	Record daily precipitation	34.3 mm (1.4 in)	23 of 100 (Routine)
Rouxville (Pol)	South Africa	Record daily precipitation	28.7 mm (1.1 in)	23 of 100 (Routine)
Mackinac Island	United States	Record high minimum temperature	11.1 C (52.0 F)	23 of 100 (Routine)
Taylors Falls 1 NE	United States	Record daily precipitation	26.9 mm (1.1 in)	23 of 100 (Routine)
Avoca	South Africa	Record daily precipitation	61.0 mm (2.4 in)	22 of 100 (Routine)
Taroom Post Office	Australia	Record daily precipitation	26.4 mm (1.0 in)	21 of 100 (Routine)
Bathurst	Canada	Record high maximum temperature	23.9 C (75.0 F)	21 of 100 (Routine)
Karesuando	Sweden	Record high maximum temperature	18.6 C (65.5 F)	21 of 100 (Routine)
Eastport	United States	Record high maximum temperature	20.6 C (69.1 F)	21 of 100 (Routine)
Rugby	United States	Record daily precipitation	45.7 mm (1.8 in)	21 of 100 (Routine)
Ellesmere	South Africa	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Huxley	South Africa	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Newlands	South Africa	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Barkly East	South Africa	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Caboolture Post Office	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Aberdeen Rd (Sar)	South Africa	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Minocqua	United States	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Premaydena Hatchery	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Kekri	India	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)
Weyerhaeuser 1N	United States	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Balfour (Pol)	South Africa	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record daily precipitation	10.4 mm (0.4 in)	20 of 100 (Routine)
Tulbagh (Pol)	South Africa	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Winburg (Pol)	South Africa	Record daily precipitation	2.3 mm (0.09 in)	20 of 100 (Routine)
Bad Muskau	Germany	Record daily precipitation	20.0 mm (0.8 in)	20 of 100 (Routine)
Corona Downs	Australia	Record daily precipitation	4.8 mm (0.19 in)	20 of 100 (Routine)
Crows Nest	Australia	Record daily precipitation	17.0 mm (0.7 in)	20 of 100 (Routine)
Dharapuram	India	Record daily precipitation	36.8 mm (1.4 in)	20 of 100 (Routine)
Andenes	Norway	Record high minimum temperature	8.2 C (46.8 F)	20 of 100 (Routine)
Ida	South Africa	Record daily precipitation	27.4 mm (1.1 in)	20 of 100 (Routine)
Lugano	Switzerland	Record daily precipitation	39.5 mm (1.6 in)	20 of 100 (Routine)
Simferopol	Ukraine	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Trinidad	United States	Record high minimum temperature	16.7 C (62.1 F)	20 of 100 (Routine)
Murfreesboro 5 N	United States	Record daily precipitation	35.3 mm (1.4 in)	20 of 100 (Routine)
Camboon Station	Australia	Record daily precipitation	7.4 mm (0.29 in)	19 of 100 (Routine)
Sangod	India	Record daily precipitation	5.1 mm (0.20 in)	19 of 100 (Routine)
Skegness	United Kingdom	Record daily precipitation	14.0 mm (0.6 in)	19 of 100 (Routine)
Ft Collins	United States	Record high minimum temperature	10.0 C (50.0 F)	19 of 100 (Routine)
Ironwood	United States	Record daily precipitation	19.3 mm (0.8 in)	19 of 100 (Routine)
Antigo	United States	Record daily precipitation	11.2 mm (0.4 in)	19 of 100 (Routine)
Quatsino	Canada	Record daily precipitation	25.7 mm (1.0 in)	18 of 100 (Routine)
Chita	Russia	Record high minimum temperature	8.3 C (46.9 F)	18 of 100 (Routine)
Jagersfontein	South Africa	Record daily precipitation	26.7 mm (1.1 in)	18 of 100 (Routine)
Hull	United Kingdom	Record daily precipitation	14.2 mm (0.6 in)	18 of 100 (Routine)

Counts by Type and Timescale

214 records

Records set or tied on 12 May 1937 by type: Highest daily maximum 34, Lowest daily maximum 4, Highest daily minimum 42, Lowest daily minimum 9, Heaviest daily rainfall 125.

Records on 12 May 1937 by type
Record type	Records
Highest daily maximum	34
Lowest daily maximum	4
Highest daily minimum	42
Lowest daily minimum	9
Heaviest daily rainfall	125
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 May 1937 by timescale: all-time 0, monthly 4, daily 210.

How Much Records Were Beaten By

180 broken records

Margins by which the 180 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 44.5. Ties are not counted.

Top 20 by Significance

12 May 1937

Top 20 records on 12 May 1937 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1937	Butterworth (Tnk), ZA	daily rain	36.6 mm (1.4 in)	33.3 mm (1.3 in)	35 years	48 of 100 (Notable)
12 May 1937	Lillydale, ZA	daily rain	32.3 mm (1.3 in)	27.2 mm (1.1 in)	10 years	46 of 100 (Notable)
12 May 1937	Vestervig, DK	monthly rain	28.3 mm (1.1 in)	8.2 mm (0.32 in)	29 years	45 of 100 (Notable)
12 May 1937	Esk Post Office, AU	daily rain	40.1 mm (1.6 in)	33.0 mm (1.3 in)	40 years	43 of 100 (Notable)
12 May 1937	Ashwood, US	daily rain	82.6 mm (3.3 in)	44.5 mm (1.8 in)	15 years	41 of 100 (Notable)
12 May 1937	Jansenville, ZA	daily rain	31.8 mm (1.3 in)	24.9 mm (1.0 in)	4 years	40 of 100 (Notable)
12 May 1937	Aberdeen (Tnk), ZA	daily rain	31.8 mm (1.3 in)	21.6 mm (0.9 in)	36 years	39 of 100 (Notable)
12 May 1937	Hayward Rs, US	daily rain	57.4 mm (2.3 in)	35.8 mm (1.4 in)	2 years	39 of 100 (Notable)
12 May 1937	Kieskamahoek (Pol), ZA	daily rain	32.3 mm (1.3 in)	19.6 mm (0.8 in)	10 years	29 of 100 (Routine)
12 May 1937	Lady Grey (Pol), ZA	daily rain	39.4 mm (1.6 in)	23.9 mm (0.9 in)	2 years	29 of 100 (Routine)
12 May 1937	Gumma, IN	daily rain	49.5 mm (1.9 in)	27.7 mm (1.1 in)	34 years	28 of 100 (Routine)
12 May 1937	Kolar, IN	daily rain	35.1 mm (1.4 in)	27.0 mm (1.1 in)	27 years	26 of 100 (Routine)
12 May 1937	Jamestown, ZA	daily rain	40.9 mm (1.6 in)	2.8 mm (0.11 in)	57 years	25 of 100 (Routine)
12 May 1937	Worsham, US	daily rain	47.2 mm (1.9 in)	25.1 mm (1.0 in)	14 years	25 of 100 (Routine)
12 May 1937	Escalante, US	daily high min	13.3 C (55.9 F)	3.9 C (7.0 F)	36 years	25 of 100 (Routine)
12 May 1937	Bangarpet, IN	daily rain	44.5 mm (1.8 in)	22.9 mm (0.9 in)	27 years	24 of 100 (Routine)
12 May 1937	Rajahmundry, IN	daily rain	34.3 mm (1.4 in)	20.3 mm (0.8 in)	20 years	23 of 100 (Routine)
12 May 1937	Rouxville (Pol), ZA	daily rain	28.7 mm (1.1 in)	16.3 mm (0.6 in)	2 years	23 of 100 (Routine)
12 May 1937	Mackinac Island, US	daily high min	11.1 C (52.0 F)	3.9 C (7.0 F)	34 years	23 of 100 (Routine)
12 May 1937	Taylors Falls 1 NE, US	daily rain	26.9 mm (1.1 in)	19.3 mm (0.8 in)	12 years	23 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 1937

Records set or tied on this calendar date in each year from 1814 to 1937. 1937 had 214 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 1937-05-12: 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).

Histogram of margins by which records were beaten on 12 May 1937
Margin	Records
0 to 10	147
10 to 20	19
20 to 30	10
30 to 40	3
40 to 50	1