Weather Records on 12 May 2021

712 weather records were set or tied worldwide on 12 May 2021. Highest significance: Forest Hill, AU.

Key Facts for 12 May 2021

On 12 May 2021, 712 weather records were set or tied at long-record stations worldwide.
218 were record highs and 262 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 708 daily.
Forest Hill set a daily record precipitation of 70.5 mm (2.8 in) on 12 May 2021.
Across 164 earlier years (1814 to 2026) the same calendar date averaged 451 records.

Record Map

712 stations

712 station records on 12 May 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 May 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Forest Hill	Australia	Record daily precipitation	70.5 mm (2.8 in)	74 of 100 (Major)
Thiruvananthapuram	India	Record daily precipitation	156.0 mm (6.1 in)	73 of 100 (Major)
Green Cape Lighthouse	Australia	Record daily precipitation	87.0 mm (3.4 in)	72 of 100 (Major)
Jeanerette 5 NW	United States	Record daily precipitation	149.9 mm (5.9 in)	67 of 100 (Major)
Brogo (Hawks Head Road)	Australia	Record daily precipitation	115.0 mm (4.5 in)	63 of 100 (Major)
Nimmitabel Wastewater Treatmen	Australia	Record daily precipitation	68.8 mm (2.7 in)	63 of 100 (Major)
Tanybryn	Australia	Record daily precipitation	64.8 mm (2.6 in)	62 of 100 (Major)
Pechey Forestry	Australia	Record daily precipitation	50.4 mm (2.0 in)	61 of 100 (Major)
Eden (Timbillica)	Australia	Record daily precipitation	101.4 mm (4.0 in)	60 of 100 (Major)
Chemnitz	Germany	Record daily precipitation	27.9 mm (1.1 in)	59 of 100 (Notable)
Eden (Caravan Park)	Australia	Record daily precipitation	110.2 mm (4.3 in)	58 of 100 (Notable)
Lichtentanne	Germany	Record daily precipitation	32.3 mm (1.3 in)	58 of 100 (Notable)
Cooma Visitors Centre	Australia	Record daily precipitation	43.0 mm (1.7 in)	56 of 100 (Notable)
Marlo	Australia	Record daily precipitation	28.2 mm (1.1 in)	53 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record daily precipitation	27.5 mm (1.1 in)	53 of 100 (Notable)
Slapton	United Kingdom	Record daily precipitation	52.4 mm (2.1 in)	53 of 100 (Notable)
Goombungee Post Office	Australia	Record daily precipitation	26.6 mm (1.0 in)	52 of 100 (Notable)
Parr	United States	Record daily precipitation	63.0 mm (2.5 in)	52 of 100 (Notable)
University of Queensland Gatto	Australia	Record daily precipitation	32.8 mm (1.3 in)	51 of 100 (Notable)
Genoa (Fools Haven)	Australia	Record daily precipitation	91.2 mm (3.6 in)	49 of 100 (Notable)
Abbeville	United States	Record daily precipitation	97.8 mm (3.9 in)	49 of 100 (Notable)
Rock Flat (Old Post Office)	Australia	Record daily precipitation	33.6 mm (1.3 in)	48 of 100 (Notable)
Erofej Pavlovic	Russia	Record daily precipitation	34.0 mm (1.3 in)	48 of 100 (Notable)
Manly Railway Station	Australia	Record daily precipitation	49.4 mm (1.9 in)	47 of 100 (Notable)
Bemboka Post Office	Australia	Record daily precipitation	97.0 mm (3.8 in)	46 of 100 (Notable)
Miyazaki	Japan	Record daily precipitation	137.9 mm (5.4 in)	46 of 100 (Notable)
Solomons	United States	Record low minimum temperature	3.3 C (37.9 F)	46 of 100 (Notable)
Nicholson (Yendalock)	Australia	Record daily precipitation	33.4 mm (1.3 in)	45 of 100 (Notable)
Lanark	Australia	Record daily precipitation	53.0 mm (2.1 in)	44 of 100 (Notable)
Helidon Post Office	Australia	Record daily precipitation	36.5 mm (1.4 in)	44 of 100 (Notable)
Cobargo Post Office	Australia	Record daily precipitation	69.0 mm (2.7 in)	44 of 100 (Notable)
Brogo (Blanchards Road)	Australia	Record daily precipitation	96.6 mm (3.8 in)	44 of 100 (Notable)
Tallinn	Estonia	Record high maximum temperature	27.6 C (81.7 F)	44 of 100 (Notable)
Elgin Water	United States	Record low maximum temperature	4.4 C (39.9 F)	44 of 100 (Notable)
Franklin 3 NW	United States	Record low maximum temperature	22.2 C (72.0 F)	44 of 100 (Notable)
Coolesha	Australia	Record daily precipitation	28.2 mm (1.1 in)	43 of 100 (Notable)
Gabo Island Lighthouse	Australia	Record daily precipitation	57.0 mm (2.2 in)	43 of 100 (Notable)
Marienberg	Germany	Record daily precipitation	32.5 mm (1.3 in)	43 of 100 (Notable)
Parnu	Estonia	Record high minimum temperature	14.8 C (58.6 F)	42 of 100 (Notable)
Marienberg-Reitzenhain	Germany	Record daily precipitation	27.0 mm (1.1 in)	42 of 100 (Notable)
Las Animas	United States	Record low maximum temperature	6.7 C (44.1 F)	42 of 100 (Notable)
Blackbutt Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	41 of 100 (Notable)
Zeitz	Germany	Record daily precipitation	25.5 mm (1.0 in)	41 of 100 (Notable)
Subiaco	United States	Record low maximum temperature	15.6 C (60.1 F)	41 of 100 (Notable)
Morrison	United States	Record low minimum temperature	-0.6 C (30.9 F)	41 of 100 (Notable)
Belle Plaine	United States	Record low minimum temperature	-2.2 C (28.0 F)	41 of 100 (Notable)
Narva	Estonia	Record high maximum temperature	27.2 C (81.0 F)	40 of 100 (Notable)
Forse	Sweden	Record high minimum temperature	8.2 C (46.8 F)	40 of 100 (Notable)
Crosbyton	United States	Record low maximum temperature	11.1 C (52.0 F)	40 of 100 (Notable)
Ft Worth Meacham Fld	United States	Record low maximum temperature	17.2 C (63.0 F)	40 of 100 (Notable)
Bairnsdale Waterworks	Australia	Record daily precipitation	38.4 mm (1.5 in)	39 of 100 (Notable)
Weiden	Germany	Record daily precipitation	29.1 mm (1.1 in)	39 of 100 (Notable)
Spur	United States	Record low maximum temperature	12.8 C (55.0 F)	39 of 100 (Notable)
Cobargo (Wandella)	Australia	Record daily precipitation	77.0 mm (3.0 in)	38 of 100 (Notable)
Tuross	Australia	Record daily precipitation	44.0 mm (1.7 in)	38 of 100 (Notable)
Trieste	Italy	Record daily precipitation	51.1 mm (2.0 in)	38 of 100 (Notable)
Elkhart	United States	Record low maximum temperature	7.8 C (46.0 F)	38 of 100 (Notable)
Belhaven 1 SE	United States	Record low maximum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Lake Tyers	Australia	Record daily precipitation	31.6 mm (1.2 in)	37 of 100 (Notable)
Walsenburg 1 NW	United States	Record low maximum temperature	3.9 C (39.0 F)	37 of 100 (Notable)

Counts by Type and Timescale

712 records

Records set or tied on 12 May 2021 by type: Highest daily maximum 130, Lowest daily maximum 171, Highest daily minimum 88, Lowest daily minimum 91, Heaviest daily rainfall 232.

Records on 12 May 2021 by type
Record type	Records
Highest daily maximum	130
Lowest daily maximum	171
Highest daily minimum	88
Lowest daily minimum	91
Heaviest daily rainfall	232
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 May 2021 by timescale: all-time 0, monthly 4, daily 708.

How Much Records Were Beaten By

606 broken records

Margins by which the 606 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 95.0. Ties are not counted.

Top 20 by Significance

12 May 2021

Top 20 records on 12 May 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 May 2021	Forest Hill, AU	daily rain	70.5 mm (2.8 in)	58.6 mm (2.3 in)	80 years	74 of 100 (Major)
12 May 2021	Thiruvananthapuram, IN	daily rain	156.0 mm (6.1 in)	95.0 mm (3.7 in)	78 years	73 of 100 (Major)
12 May 2021	Green Cape Lighthouse, AU	daily rain	87.0 mm (3.4 in)	41.3 mm (1.6 in)	96 years	72 of 100 (Major)
12 May 2021	Jeanerette 5 NW, US	daily rain	149.9 mm (5.9 in)	86.9 mm (3.4 in)	62 years	67 of 100 (Major)
12 May 2021	Brogo (Hawks Head Road), AU	daily rain	115.0 mm (4.5 in)	83.2 mm (3.3 in)	58 years	63 of 100 (Major)
12 May 2021	Nimmitabel Wastewater Treatmen, AU	daily rain	68.8 mm (2.7 in)	27.7 mm (1.1 in)	96 years	63 of 100 (Major)
12 May 2021	Tanybryn, AU	daily rain	64.8 mm (2.6 in)	39.9 mm (1.6 in)	50 years	62 of 100 (Major)
12 May 2021	Pechey Forestry, AU	daily rain	50.4 mm (2.0 in)	32.6 mm (1.3 in)	80 years	61 of 100 (Major)
12 May 2021	Eden (Timbillica), AU	daily rain	101.4 mm (4.0 in)	32.1 mm (1.3 in)	96 years	60 of 100 (Major)
12 May 2021	Chemnitz, DE	daily rain	27.9 mm (1.1 in)	13.1 mm (0.5 in)	116 years	59 of 100 (Notable)
12 May 2021	Eden (Caravan Park), AU	daily rain	110.2 mm (4.3 in)	33.2 mm (1.3 in)	96 years	58 of 100 (Notable)
12 May 2021	Lichtentanne, DE	daily rain	32.3 mm (1.3 in)	12.6 mm (0.5 in)	102 years	58 of 100 (Notable)
12 May 2021	Cooma Visitors Centre, AU	daily rain	43.0 mm (1.7 in)	30.6 mm (1.2 in)	40 years	56 of 100 (Notable)
12 May 2021	Marlo, AU	daily rain	28.2 mm (1.1 in)	14.2 mm (0.6 in)	116 years	53 of 100 (Notable)
12 May 2021	Leipzig-Holzhausen, DE	daily rain	27.5 mm (1.1 in)	13.7 mm (0.5 in)	68 years	53 of 100 (Notable)
12 May 2021	Slapton, GB	monthly rain	52.4 mm (2.1 in)	11.8 mm (0.5 in)	54 years	53 of 100 (Notable)
12 May 2021	Goombungee Post Office, AU	daily rain	26.6 mm (1.0 in)	16.7 mm (0.7 in)	95 years	52 of 100 (Notable)
12 May 2021	Parr, US	daily rain	63.0 mm (2.5 in)	38.4 mm (1.5 in)	48 years	52 of 100 (Notable)
12 May 2021	University of Queensland Gatto, AU	daily rain	32.8 mm (1.3 in)	19.1 mm (0.8 in)	87 years	51 of 100 (Notable)
12 May 2021	Genoa (Fools Haven), AU	daily rain	91.2 mm (3.6 in)	33.2 mm (1.3 in)	16 years	49 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

1814 to 2021

Records set or tied on this calendar date in each year from 1814 to 2021. 2021 had 712 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 2021-05-12: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	566
20 to 40	29
40 to 60	7
60 to 80	0
80 to 100	4