Weather Records on 10 May 2021

635 weather records were set or tied worldwide on 10 May 2021. Highest significance: San Augustine, US.

Key Facts for 10 May 2021

On 10 May 2021, 635 weather records were set or tied at long-record stations worldwide.
243 were record highs and 176 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 6 monthly and 628 daily.
San Augustine set a daily record precipitation of 109.2 mm (4.3 in) on 10 May 2021.
Across 163 earlier years (1805 to 2026) the same calendar date averaged 439 records.

Record Map

635 stations

635 station records on 10 May 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 May 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
San Augustine	United States	Record daily precipitation	109.2 mm (4.3 in)	66 of 100 (Major)
Bucyrus	United States	Record daily precipitation	69.6 mm (2.7 in)	63 of 100 (Major)
New Orleans Audubon	United States	Record daily precipitation	129.3 mm (5.1 in)	57 of 100 (Notable)
Sholapur	India	Record daily precipitation	57.9 mm (2.3 in)	52 of 100 (Notable)
Millersburg	United States	Record daily precipitation	45.7 mm (1.8 in)	52 of 100 (Notable)
Homer 1N	United States	Record daily precipitation	80.3 mm (3.2 in)	51 of 100 (Notable)
Many 9 WSW	United States	Record daily precipitation	144.8 mm (5.7 in)	51 of 100 (Notable)
Renovo	United States	Record daily precipitation	40.4 mm (1.6 in)	51 of 100 (Notable)
Rotenburg (Wumme)	Germany	Record daily precipitation	25.5 mm (1.0 in)	50 of 100 (Notable)
Col du Grand St-Bernard	Switzerland	Record daily precipitation	95.9 mm (3.8 in)	50 of 100 (Notable)
Stony Gorge Rsvr	United States	Record high minimum temperature	18.3 C (64.9 F)	50 of 100 (Notable)
Clarion 3 SW	United States	Record daily precipitation	54.6 mm (2.1 in)	50 of 100 (Notable)
East Sale Comparison	Australia	Record daily precipitation	38.6 mm (1.5 in)	49 of 100 (Notable)
Farmland 5 NNW	United States	Record daily precipitation	57.2 mm (2.3 in)	48 of 100 (Notable)
State College	United States	Record daily precipitation	30.0 mm (1.2 in)	48 of 100 (Notable)
Crockett	United States	Record daily precipitation	74.2 mm (2.9 in)	47 of 100 (Notable)
Soltau	Germany	Record daily precipitation	25.2 mm (1.0 in)	46 of 100 (Notable)
Putneyville 2 SE Dam	United States	Record daily precipitation	49.5 mm (1.9 in)	45 of 100 (Notable)
Oberlin	United States	Record daily precipitation	36.1 mm (1.4 in)	44 of 100 (Notable)
Grafton Research STN	Australia	Record daily precipitation	41.6 mm (1.6 in)	43 of 100 (Notable)
Jefferson City Wtp	United States	Record low maximum temperature	10.6 C (51.1 F)	43 of 100 (Notable)
Lima Wwtp	United States	Record daily precipitation	48.3 mm (1.9 in)	43 of 100 (Notable)
Chapman	United States	Record low maximum temperature	10.0 C (50.0 F)	42 of 100 (Notable)
Galeton	United States	Record daily precipitation	31.5 mm (1.2 in)	42 of 100 (Notable)
New Cumberland L/D	United States	Record daily precipitation	32.3 mm (1.3 in)	42 of 100 (Notable)
Lyon - St Exupery	France	Record daily precipitation	103.4 mm (4.1 in)	41 of 100 (Notable)
Davis 2 WSW Exp Farm	United States	Record high minimum temperature	19.4 C (66.9 F)	41 of 100 (Notable)
Clay Ctr	United States	Record low maximum temperature	11.1 C (52.0 F)	41 of 100 (Notable)
Eskridge	United States	Record low maximum temperature	9.4 C (48.9 F)	41 of 100 (Notable)
Manhattan	United States	Record low maximum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Galion Wtr Wks	United States	Record daily precipitation	55.9 mm (2.2 in)	41 of 100 (Notable)
Greer	United States	Record daily precipitation	37.8 mm (1.5 in)	41 of 100 (Notable)
Livingston Radio Wliv	United States	Record daily precipitation	52.8 mm (2.1 in)	41 of 100 (Notable)
Purnea	India	Record daily precipitation	26.9 mm (1.1 in)	40 of 100 (Notable)
Marre-Sale	Russia	Record high maximum temperature	5.8 C (42.4 F)	40 of 100 (Notable)
Eldon	United States	Record low maximum temperature	12.2 C (54.0 F)	40 of 100 (Notable)
Marshall	United States	Record daily precipitation	27.2 mm (1.1 in)	40 of 100 (Notable)
Wellsboro 4 SW	United States	Record daily precipitation	31.2 mm (1.2 in)	40 of 100 (Notable)
Stevenson Dam	United States	Record daily precipitation	42.2 mm (1.7 in)	39 of 100 (Notable)
Craigie (Bondi Forest Lodge)	Australia	Record daily precipitation	64.4 mm (2.5 in)	38 of 100 (Notable)
Nanchang	China	Record daily precipitation	106.7 mm (4.2 in)	38 of 100 (Notable)
Dijon-Longvic	France	Record daily precipitation	30.7 mm (1.2 in)	38 of 100 (Notable)
Lakeview	United States	Record daily precipitation	46.2 mm (1.8 in)	38 of 100 (Notable)
Munchen-Nymphenburg	Germany	Record high maximum temperature	30.7 C (87.3 F)	37 of 100 (Notable)
Fichtelberg	Germany	Record high maximum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Hohenpeissenberg	Germany	Record high maximum temperature	27.7 C (81.9 F)	36 of 100 (Notable)
Sand Mt Substn	United States	Record daily precipitation	41.7 mm (1.6 in)	36 of 100 (Notable)
Prince Gallitzin Sp	United States	Record daily precipitation	42.7 mm (1.7 in)	36 of 100 (Notable)
Vlagtwedde	Netherlands	Record daily precipitation	30.5 mm (1.2 in)	35 of 100 (Notable)
Volshskiy Gmo	Russia	Record low maximum temperature	9.3 C (48.7 F)	35 of 100 (Notable)
Winfield 2 SW	United States	Record daily precipitation	45.2 mm (1.8 in)	35 of 100 (Notable)
Greenville Wtp	United States	Record daily precipitation	29.0 mm (1.1 in)	35 of 100 (Notable)
Indiana 3 SE	United States	Record daily precipitation	49.8 mm (2.0 in)	35 of 100 (Notable)
Woleai Atoll	Federated States of Micronesia	Record daily precipitation	61.2 mm (2.4 in)	34 of 100 (Routine)
Kastamonu	Turkey	Record low minimum temperature	-1.2 C (29.8 F)	34 of 100 (Routine)
Huntington	United States	Record daily precipitation	51.8 mm (2.0 in)	34 of 100 (Routine)
Versailles	United States	Record low maximum temperature	10.0 C (50.0 F)	34 of 100 (Routine)
Ford City 4 S Dam	United States	Record daily precipitation	41.1 mm (1.6 in)	34 of 100 (Routine)
New Stanton 1 SW	United States	Record daily precipitation	26.4 mm (1.0 in)	34 of 100 (Routine)
Tyrone	United States	Record daily precipitation	36.1 mm (1.4 in)	34 of 100 (Routine)

Counts by Type and Timescale

635 records

Records set or tied on 10 May 2021 by type: Highest daily maximum 137, Lowest daily maximum 117, Highest daily minimum 106, Lowest daily minimum 59, Heaviest daily rainfall 203, Heaviest daily snowfall 9, Deepest snow cover 4.

Records on 10 May 2021 by type
Record type	Records
Highest daily maximum	137
Lowest daily maximum	117
Highest daily minimum	106
Lowest daily minimum	59
Heaviest daily rainfall	203
Heaviest daily snowfall	9
Deepest snow cover	4

Records on 10 May 2021 by timescale: all-time 1, monthly 6, daily 628.

How Much Records Were Beaten By

515 broken records

Margins by which the 515 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 104.7. Ties are not counted.

Top 20 by Significance

10 May 2021

Top 20 records on 10 May 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 May 2021	San Augustine, US	daily rain	109.2 mm (4.3 in)	57.1 mm (2.2 in)	104 years	66 of 100 (Major)
10 May 2021	Bucyrus, US	daily rain	69.6 mm (2.7 in)	21.3 mm (0.8 in)	112 years	63 of 100 (Major)
10 May 2021	New Orleans Audubon, US	daily rain	129.3 mm (5.1 in)	56.4 mm (2.2 in)	87 years	57 of 100 (Notable)
10 May 2021	Sholapur, IN	daily rain	57.9 mm (2.3 in)	43.9 mm (1.7 in)	8 years	52 of 100 (Notable)
10 May 2021	Millersburg, US	daily rain	45.7 mm (1.8 in)	10.9 mm (0.4 in)	102 years	52 of 100 (Notable)
10 May 2021	Homer 1N, US	daily rain	80.3 mm (3.2 in)	49.8 mm (2.0 in)	52 years	51 of 100 (Notable)
10 May 2021	Many 9 WSW, US	daily rain	144.8 mm (5.7 in)	104.7 mm (4.1 in)	28 years	51 of 100 (Notable)
10 May 2021	Renovo, US	daily rain	40.4 mm (1.6 in)	15.0 mm (0.6 in)	86 years	51 of 100 (Notable)
10 May 2021	Rotenburg (Wumme), DE	daily rain	25.5 mm (1.0 in)	11.3 mm (0.4 in)	63 years	50 of 100 (Notable)
10 May 2021	Col du Grand St-Bernard, CH	daily rain	95.9 mm (3.8 in)	36.7 mm (1.4 in)	40 years	50 of 100 (Notable)
10 May 2021	Stony Gorge Rsvr, US	daily high min	18.3 C (64.9 F)	5.0 C (9.0 F)	92 years	50 of 100 (Notable)
10 May 2021	Clarion 3 SW, US	daily rain	54.6 mm (2.1 in)	28.2 mm (1.1 in)	32 years	50 of 100 (Notable)
10 May 2021	East Sale Comparison, AU	daily rain	38.6 mm (1.5 in)	23.6 mm (0.9 in)	42 years	49 of 100 (Notable)
10 May 2021	Farmland 5 NNW, US	daily rain	57.2 mm (2.3 in)	16.6 mm (0.7 in)	70 years	48 of 100 (Notable)
10 May 2021	State College, US	daily rain	30.0 mm (1.2 in)	7.1 mm (0.28 in)	132 years	48 of 100 (Notable)
10 May 2021	Crockett, US	daily rain	74.2 mm (2.9 in)	21.9 mm (0.9 in)	91 years	47 of 100 (Notable)
10 May 2021	Soltau, DE	daily rain	25.2 mm (1.0 in)	10.2 mm (0.4 in)	55 years	46 of 100 (Notable)
10 May 2021	Putneyville 2 SE Dam, US	daily rain	49.5 mm (1.9 in)	25.1 mm (1.0 in)	32 years	45 of 100 (Notable)
10 May 2021	Oberlin, US	daily rain	36.1 mm (1.4 in)	3.8 mm (0.15 in)	112 years	44 of 100 (Notable)
10 May 2021	Grafton Research STN, AU	daily rain	41.6 mm (1.6 in)	5.8 mm (0.23 in)	100 years	43 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

1805 to 2021

Records set or tied on this calendar date in each year from 1805 to 2021. 2021 had 635 records.

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

Records on 05-10 in each year
Year	Records
1805	1
1814	2
1832	1
1834	1
1836	4
1838	1
1843	1
1846	1
1848	1
1855	2
1858	1
1860	1
1861	2
1867	3
1868	1
1869	1
1872	1
1874	4
1876	1
1878	1
1879	2
1880	3
1881	3
1883	1
1884	2
1885	2
1886	1
1887	1
1888	2
1889	4
1890	2
1891	2
1893	1
1895	4
1896	6
1897	4
1898	5
1900	4
1901	6
1902	18
1903	6
1904	7
1905	21
1906	42
1907	33
1908	10
1909	17
1910	21
1911	55
1912	15
1913	23
1914	17
1915	18
1916	26
1917	23
1918	105
1919	145
1920	54
1921	143
1922	38
1923	291
1924	198
1925	163
1926	291
1927	296
1928	189
1929	102
1930	647
1931	277
1932	145
1933	516
1934	412
1935	200
1936	439
1937	148
1938	179
1939	179
1940	317
1941	257
1942	237
1943	482
1944	200
1945	646
1946	455
1947	820
1948	491
1949	492
1950	356
1951	281
1952	342
1953	627
1954	554
1955	272
1956	669
1957	374
1958	338
1959	192
1960	660
1961	722
1962	593
1963	951
1964	259
1965	413
1966	1,290
1967	932
1968	861
1969	325
1970	555
1971	416
1972	573
1973	429
1974	608
1975	448
1976	672
1977	1,075
1978	815
1979	1,927
1980	865
1981	1,213
1982	671
1983	753
1984	635
1985	925
1986	669
1987	1,270
1988	490
1989	1,365
1990	1,071
1991	854
1992	875
1993	1,056
1994	622
1995	1,129
1996	1,469
1997	1,215
1998	1,268
1999	1,299
2000	1,036
2001	842
2002	867
2003	1,688
2004	735
2005	761
2006	879
2007	815
2008	877
2009	651
2010	855
2011	1,288
2012	1,054
2013	635
2014	506
2015	943
2016	815
2017	702
2018	923
2019	1,254
2020	1,346
2021	635
2022	1,346
2023	359
2024	622
2025	1,094
2026	496

Download the Data

Data for records on 2021-05-10: 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	481
20 to 40	27
40 to 60	6
60 to 80	0
80 to 100	0
100 to 120	1