Weather Records on 12 May 1933

476 weather records were set or tied worldwide on 12 May 1933. Highest significance: Escanaba, US.

Key Facts for 12 May 1933

On 12 May 1933, 476 weather records were set or tied at long-record stations worldwide.
191 were record highs and 111 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 465 daily.
Escanaba set a daily record precipitation of 38.6 mm (1.5 in) on 12 May 1933.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 453 records.

Record Map

476 stations

476 station records on 12 May 1933 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 1933: highest significance records shown on the map
Station	Country	Type	Value	Significance
Escanaba	United States	Record daily precipitation	38.6 mm (1.5 in)	54 of 100 (Notable)
Helena	United States	Record daily precipitation	135.1 mm (5.3 in)	52 of 100 (Notable)
Morekulam	India	Record daily precipitation	73.7 mm (2.9 in)	48 of 100 (Notable)
Kuzhithurai	India	Record daily precipitation	118.6 mm (4.7 in)	43 of 100 (Notable)
Anjangaon	India	Record daily precipitation	38.1 mm (1.5 in)	41 of 100 (Notable)
Mackinac Island	United States	Record daily precipitation	48.3 mm (1.9 in)	36 of 100 (Notable)
Tumkur	India	Record daily precipitation	74.4 mm (2.9 in)	35 of 100 (Notable)
Great Brak River	South Africa	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Clyde State School	Australia	Record daily precipitation	32.3 mm (1.3 in)	34 of 100 (Routine)
Marion	United States	Record daily precipitation	71.1 mm (2.8 in)	34 of 100 (Routine)
Petoskey	United States	Record daily precipitation	45.7 mm (1.8 in)	33 of 100 (Routine)
Gubbi Sr	India	Record daily precipitation	128.0 mm (5.0 in)	32 of 100 (Routine)
Hemlock	United States	Record daily precipitation	56.6 mm (2.2 in)	32 of 100 (Routine)
Hermann	United States	Record daily precipitation	81.8 mm (3.2 in)	31 of 100 (Routine)
Jerome	United States	Record low maximum temperature	9.4 C (48.9 F)	29 of 100 (Routine)
Patan	India	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Gorin	United States	Record daily precipitation	68.1 mm (2.7 in)	28 of 100 (Routine)
Mendota	United States	Record daily precipitation	40.1 mm (1.6 in)	28 of 100 (Routine)
Aramboly	India	Record daily precipitation	61.7 mm (2.4 in)	27 of 100 (Routine)
Holly Springs 2 N	United States	Record daily precipitation	61.2 mm (2.4 in)	27 of 100 (Routine)
Marshall	United States	Record daily precipitation	59.9 mm (2.4 in)	27 of 100 (Routine)
Arasadi	India	Record daily precipitation	49.5 mm (1.9 in)	26 of 100 (Routine)
Harrison	United States	Record daily precipitation	36.1 mm (1.4 in)	26 of 100 (Routine)
Charlevoix	United States	Record daily precipitation	36.1 mm (1.4 in)	26 of 100 (Routine)
Temple	United States	Record high minimum temperature	24.4 C (75.9 F)	26 of 100 (Routine)
Ankola	India	Record daily precipitation	46.0 mm (1.8 in)	25 of 100 (Routine)
Oracle	United States	Record low maximum temperature	17.8 C (64.0 F)	25 of 100 (Routine)
Saguache	United States	Record low minimum temperature	-7.8 C (18.0 F)	25 of 100 (Routine)
White River	Canada	Record daily precipitation	25.9 mm (1.0 in)	24 of 100 (Routine)
Montgomery Wb City	United States	Record high minimum temperature	22.8 C (73.0 F)	24 of 100 (Routine)
Calhoun 2 N	United States	Record high minimum temperature	23.9 C (75.0 F)	24 of 100 (Routine)
Haskell	United States	Record high minimum temperature	23.9 C (75.0 F)	24 of 100 (Routine)
Waxahachie	United States	Record high minimum temperature	25.0 C (77.0 F)	24 of 100 (Routine)
Florence	United States	Record daily precipitation	44.7 mm (1.8 in)	23 of 100 (Routine)
Mesa	United States	Record low maximum temperature	18.9 C (66.0 F)	23 of 100 (Routine)
Coleman	United States	Record high minimum temperature	23.3 C (73.9 F)	23 of 100 (Routine)
Wien	Austria	Record daily precipitation	30.4 mm (1.2 in)	22 of 100 (Routine)
Penukonda	India	Record daily precipitation	56.4 mm (2.2 in)	22 of 100 (Routine)
Coondapur	India	Record daily precipitation	59.9 mm (2.4 in)	22 of 100 (Routine)
Harpur	India	Record daily precipitation	26.7 mm (1.1 in)	22 of 100 (Routine)
Prescott	United States	Record low maximum temperature	10.0 C (50.0 F)	22 of 100 (Routine)
Hopkinsville	United States	Record daily precipitation	42.9 mm (1.7 in)	22 of 100 (Routine)
Kingfisher	United States	Record high minimum temperature	22.2 C (72.0 F)	22 of 100 (Routine)
Paris	United States	Record high minimum temperature	23.3 C (73.9 F)	22 of 100 (Routine)
Sherman	United States	Record high minimum temperature	24.4 C (75.9 F)	22 of 100 (Routine)
Granite Reef Dam	United States	Record low minimum temperature	-0.6 C (30.9 F)	21 of 100 (Routine)
Holbrook	United States	Record low maximum temperature	15.0 C (59.0 F)	21 of 100 (Routine)
Williams	United States	Record low maximum temperature	6.7 C (44.1 F)	21 of 100 (Routine)
Crystal Springs Exp STN	United States	Record high minimum temperature	25.0 C (77.0 F)	21 of 100 (Routine)
Ft Reno	United States	Record high minimum temperature	20.6 C (69.1 F)	21 of 100 (Routine)
Halls Hill	United States	Record daily precipitation	40.6 mm (1.6 in)	21 of 100 (Routine)
Gainesville	United States	Record high minimum temperature	25.0 C (77.0 F)	21 of 100 (Routine)
Henrietta	United States	Record high minimum temperature	23.3 C (73.9 F)	21 of 100 (Routine)
Landsort	Sweden	Record daily precipitation	23.0 mm (0.9 in)	20 of 100 (Routine)
Jasdan	India	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
The Meadows Tank	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Pirie (Bos)	South Africa	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Border 3 N	United States	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record daily precipitation	20.5 mm (0.8 in)	20 of 100 (Routine)
Pembroke Eddy Match	Canada	Record daily precipitation	7.6 mm (0.30 in)	20 of 100 (Routine)

Counts by Type and Timescale

476 records

Records set or tied on 12 May 1933 by type: Highest daily maximum 17, Lowest daily maximum 78, Highest daily minimum 174, Lowest daily minimum 33, Heaviest daily rainfall 173, Heaviest daily snowfall 1.

Records on 12 May 1933 by type
Record type	Records
Highest daily maximum	17
Lowest daily maximum	78
Highest daily minimum	174
Lowest daily minimum	33
Heaviest daily rainfall	173
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 12 May 1933 by timescale: all-time 0, monthly 11, daily 465.

How Much Records Were Beaten By

392 broken records

Margins by which the 392 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 109.2. Ties are not counted.

Top 20 by Significance

12 May 1933

Top 20 records on 12 May 1933 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 1933	Escanaba, US	daily rain	38.6 mm (1.5 in)	25.4 mm (1.0 in)	53 years	54 of 100 (Notable)
12 May 1933	Helena, US	daily rain	135.1 mm (5.3 in)	109.2 mm (4.3 in)	28 years	52 of 100 (Notable)
12 May 1933	Morekulam, IN	daily rain	73.7 mm (2.9 in)	50.3 mm (2.0 in)	30 years	48 of 100 (Notable)
12 May 1933	Kuzhithurai, IN	daily rain	118.6 mm (4.7 in)	89.4 mm (3.5 in)	0 years	43 of 100 (Notable)
12 May 1933	Anjangaon, IN	monthly rain	38.1 mm (1.5 in)	12.7 mm (0.5 in)	29 years	41 of 100 (Notable)
12 May 1933	Mackinac Island, US	daily rain	48.3 mm (1.9 in)	22.9 mm (0.9 in)	24 years	36 of 100 (Notable)
12 May 1933	Tumkur, IN	daily rain	74.4 mm (2.9 in)	43.2 mm (1.7 in)	15 years	35 of 100 (Notable)
12 May 1933	Great Brak River, ZA	daily rain	25.9 mm (1.0 in)	17.0 mm (0.7 in)	32 years	35 of 100 (Notable)
12 May 1933	Clyde State School, AU	daily rain	32.3 mm (1.3 in)	13.2 mm (0.5 in)	44 years	34 of 100 (Routine)
12 May 1933	Marion, US	daily rain	71.1 mm (2.8 in)	48.5 mm (1.9 in)	8 years	34 of 100 (Routine)
12 May 1933	Petoskey, US	daily rain	45.7 mm (1.8 in)	22.8 mm (0.9 in)	20 years	33 of 100 (Routine)
12 May 1933	Gubbi Sr, IN	monthly rain	128.0 mm (5.0 in)	30.2 mm (1.2 in)	3 years	32 of 100 (Routine)
12 May 1933	Hemlock, US	daily rain	56.6 mm (2.2 in)	28.2 mm (1.1 in)	19 years	32 of 100 (Routine)
12 May 1933	Hermann, US	monthly rain	81.8 mm (3.2 in)	15.8 mm (0.6 in)	14 years	31 of 100 (Routine)
12 May 1933	Jerome, US	daily low max	9.4 C (48.9 F)	8.4 C (15.1 F)	28 years	29 of 100 (Routine)
12 May 1933	Patan, IN	daily rain	31.8 mm (1.3 in)	22.9 mm (0.9 in)	20 years	28 of 100 (Routine)
12 May 1933	Gorin, US	daily rain	68.1 mm (2.7 in)	25.7 mm (1.0 in)	16 years	28 of 100 (Routine)
12 May 1933	Mendota, US	daily rain	40.1 mm (1.6 in)	21.0 mm (0.8 in)	11 years	28 of 100 (Routine)
12 May 1933	Aramboly, IN	daily rain	61.7 mm (2.4 in)	24.9 mm (1.0 in)	20 years	27 of 100 (Routine)
12 May 1933	Holly Springs 2 N, US	daily rain	61.2 mm (2.4 in)	31.5 mm (1.2 in)	18 years	27 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 1933

Records set or tied on this calendar date in each year from 1814 to 1933. 1933 had 476 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 1933-05-12: 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 20	365
20 to 40	22
40 to 60	3
60 to 80	0
80 to 100	1
100 to 120	1