Weather Records on 10 May 1973

429 weather records were set or tied worldwide on 10 May 1973. Highest significance: Jose de Freitas, BR.

Key Facts for 10 May 1973

On 10 May 1973, 429 weather records were set or tied at long-record stations worldwide.
157 were record highs and 33 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 8 monthly and 420 daily.
Jose de Freitas set a daily record precipitation of 70.5 mm (2.8 in) on 10 May 1973.
Across 163 earlier years (1805 to 2026) the same calendar date averaged 441 records.

Record Map

429 stations

429 station records on 10 May 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 10 May 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jose de Freitas	Brazil	Record daily precipitation	70.5 mm (2.8 in)	55 of 100 (Notable)
Visconde de Rio Claro	Brazil	Record daily precipitation	124.0 mm (4.9 in)	53 of 100 (Notable)
Cluj Napoca	Romania	Record daily precipitation	48.0 mm (1.9 in)	53 of 100 (Notable)
Moore Haven Lock 1	United States	Record daily precipitation	73.7 mm (2.9 in)	51 of 100 (Notable)
Uniao	Brazil	Record daily precipitation	81.3 mm (3.2 in)	50 of 100 (Notable)
Tg Jiu	Romania	Record daily precipitation	87.2 mm (3.4 in)	48 of 100 (Notable)
Ibiapina	Brazil	Record daily precipitation	172.2 mm (6.8 in)	45 of 100 (Notable)
Curaca	Brazil	Record daily precipitation	35.0 mm (1.4 in)	44 of 100 (Notable)
Drobeta Turnu Severin	Romania	Record daily precipitation	40.2 mm (1.6 in)	44 of 100 (Notable)
Hyannis	United States	Record daily precipitation	44.5 mm (1.8 in)	41 of 100 (Notable)
Bucuresti Filaret	Romania	Record daily precipitation	30.0 mm (1.2 in)	38 of 100 (Notable)
Mount Farmer	Australia	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Apatzingan (Smn)	Mexico	Record high minimum temperature	31.1 C (88.0 F)	36 of 100 (Notable)
Annapolis US Naval Aca	United States	Record high minimum temperature	22.2 C (72.0 F)	36 of 100 (Notable)
Big Falls	United States	Record daily precipitation	38.1 mm (1.5 in)	36 of 100 (Notable)
Ai-Petri	Ukraine	Record high minimum temperature	16.5 C (61.7 F)	35 of 100 (Notable)
La Poza Grande	Mexico	Record high maximum temperature	38.9 C (102.0 F)	34 of 100 (Routine)
Gadgarra Forest Reserve	Australia	Record daily precipitation	59.2 mm (2.3 in)	33 of 100 (Routine)
Nicosia	Cyprus	Record high minimum temperature	17.7 C (63.9 F)	33 of 100 (Routine)
Belgrade (Observatory)	Serbia	Record daily precipitation	25.9 mm (1.0 in)	33 of 100 (Routine)
Bundaberg Post Office	Australia	Record high maximum temperature	28.5 C (83.3 F)	32 of 100 (Routine)
Amarante	Brazil	Record daily precipitation	43.6 mm (1.7 in)	32 of 100 (Routine)
Simferopol	Ukraine	Record high maximum temperature	29.3 C (84.7 F)	31 of 100 (Routine)
Burketown Post Office	Australia	Record high minimum temperature	23.0 C (73.4 F)	30 of 100 (Routine)
Salva Vidas	Brazil	Record daily precipitation	47.0 mm (1.9 in)	30 of 100 (Routine)
Queimadas	Brazil	Record daily precipitation	45.4 mm (1.8 in)	30 of 100 (Routine)
Atlatlahuacan	Mexico	Record high maximum temperature	35.0 C (95.0 F)	30 of 100 (Routine)
Ai-Petri	Ukraine	Record high maximum temperature	23.0 C (73.4 F)	30 of 100 (Routine)
Mena	United States	Record high maximum temperature	31.7 C (89.1 F)	30 of 100 (Routine)
Mt Carmel 4 NW	United States	Record daily precipitation	40.6 mm (1.6 in)	30 of 100 (Routine)
Virginia City	United States	Record low minimum temperature	-6.7 C (19.9 F)	30 of 100 (Routine)
Rockland	United States	Record daily precipitation	32.3 mm (1.3 in)	29 of 100 (Routine)
Bowling Green Warren Co AP	United States	Record daily precipitation	33.0 mm (1.3 in)	28 of 100 (Routine)
Desterro	Brazil	Record daily precipitation	54.0 mm (2.1 in)	27 of 100 (Routine)
Jakutsk	Russia	Record high maximum temperature	22.4 C (72.3 F)	27 of 100 (Routine)
Nova Russas	Brazil	Record daily precipitation	36.0 mm (1.4 in)	26 of 100 (Routine)
Sao Raimundo Nonato	Brazil	Record daily precipitation	33.0 mm (1.3 in)	26 of 100 (Routine)
Hatchville	United States	Record daily precipitation	48.8 mm (1.9 in)	26 of 100 (Routine)
Dalby Post Office	Australia	Record high maximum temperature	28.0 C (82.4 F)	25 of 100 (Routine)
Charqueada	Brazil	Record daily precipitation	32.6 mm (1.3 in)	25 of 100 (Routine)
Sotchi	Russia	Record high maximum temperature	29.0 C (84.2 F)	25 of 100 (Routine)
Benton	United States	Record high maximum temperature	32.2 C (90.0 F)	25 of 100 (Routine)
Dequeen	United States	Record high maximum temperature	33.9 C (93.0 F)	25 of 100 (Routine)
Saint Paul Is AP	United States	Record low minimum temperature	-7.8 C (18.0 F)	25 of 100 (Routine)
El Dorado Goodwin Fld	United States	Record high maximum temperature	32.8 C (91.0 F)	25 of 100 (Routine)
Santa Terezinha	Brazil	Record daily precipitation	26.1 mm (1.0 in)	24 of 100 (Routine)
El Salto (Smn)	Mexico	Record low minimum temperature	-6.1 C (21.0 F)	24 of 100 (Routine)
Xochipala	Mexico	Record daily precipitation	31.8 mm (1.3 in)	24 of 100 (Routine)
Saint Paul Is AP	United States	Record low maximum temperature	-1.1 C (30.0 F)	24 of 100 (Routine)
Miami Beach	United States	Record high maximum temperature	35.0 C (95.0 F)	24 of 100 (Routine)
Cudlee Creek (Millbrook)	Australia	Record daily precipitation	26.2 mm (1.0 in)	23 of 100 (Routine)
Walden	United States	Record high minimum temperature	7.2 C (45.0 F)	23 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record high maximum temperature	27.8 C (82.0 F)	22 of 100 (Routine)
Usina Tres Saltos (Cpfl)	Brazil	Record daily precipitation	27.8 mm (1.1 in)	22 of 100 (Routine)
Porto	Brazil	Record daily precipitation	73.2 mm (2.9 in)	22 of 100 (Routine)
Oujda	Morocco	Record low minimum temperature	5.0 C (41.0 F)	22 of 100 (Routine)
Kastamonu	Turkey	Record high maximum temperature	31.7 C (89.1 F)	22 of 100 (Routine)
Moore Haven Lock 1	United States	Record high maximum temperature	35.6 C (96.1 F)	22 of 100 (Routine)
Natchitoches	United States	Record high maximum temperature	35.0 C (95.0 F)	22 of 100 (Routine)
Dennison Wtr Wks	United States	Record daily precipitation	28.4 mm (1.1 in)	22 of 100 (Routine)

Counts by Type and Timescale

429 records

Records set or tied on 10 May 1973 by type: Highest daily maximum 103, Lowest daily maximum 11, Highest daily minimum 54, Lowest daily minimum 22, Heaviest daily rainfall 238, Heaviest daily snowfall 1.

Records on 10 May 1973 by type
Record type	Records
Highest daily maximum	103
Lowest daily maximum	11
Highest daily minimum	54
Lowest daily minimum	22
Heaviest daily rainfall	238
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 10 May 1973 by timescale: all-time 1, monthly 8, daily 420.

How Much Records Were Beaten By

355 broken records

Margins by which the 355 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 51.6. Ties are not counted.

Top 20 by Significance

10 May 1973

Top 20 records on 10 May 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
10 May 1973	Jose de Freitas, BR	daily rain	70.5 mm (2.8 in)	48.9 mm (1.9 in)	58 years	55 of 100 (Notable)
10 May 1973	Visconde de Rio Claro, BR	monthly rain	124.0 mm (4.9 in)	51.6 mm (2.0 in)	2 years	53 of 100 (Notable)
10 May 1973	Cluj Napoca, RO	daily rain	48.0 mm (1.9 in)	22.0 mm (0.9 in)	42 years	53 of 100 (Notable)
10 May 1973	Moore Haven Lock 1, US	daily rain	73.7 mm (2.9 in)	47.5 mm (1.9 in)	54 years	51 of 100 (Notable)
10 May 1973	Uniao, BR	daily rain	81.3 mm (3.2 in)	42.8 mm (1.7 in)	35 years	50 of 100 (Notable)
10 May 1973	Tg Jiu, RO	monthly rain	87.2 mm (3.4 in)	25.8 mm (1.0 in)	4 years	48 of 100 (Notable)
10 May 1973	Ibiapina, BR	all-time rain	172.2 mm (6.8 in)	12.2 mm (0.5 in)	43 years	45 of 100 (Notable)
10 May 1973	Curaca, BR	daily rain	35.0 mm (1.4 in)	30.0 mm (1.2 in)	38 years	44 of 100 (Notable)
10 May 1973	Drobeta Turnu Severin, RO	daily rain	40.2 mm (1.6 in)	30.0 mm (1.2 in)	32 years	44 of 100 (Notable)
10 May 1973	Hyannis, US	daily rain	44.5 mm (1.8 in)	25.4 mm (1.0 in)	42 years	41 of 100 (Notable)
10 May 1973	Bucuresti Filaret, RO	daily rain	30.0 mm (1.2 in)	11.4 mm (0.4 in)	56 years	38 of 100 (Notable)
10 May 1973	Mount Farmer, AU	daily rain	25.4 mm (1.0 in)	18.3 mm (0.7 in)	44 years	36 of 100 (Notable)
10 May 1973	Apatzingan (Smn), MX	daily high min	31.1 C (88.0 F)	5.0 C (9.0 F)	44 years	36 of 100 (Notable)
10 May 1973	Annapolis US Naval Aca, US	daily high min	22.2 C (72.0 F)	2.2 C (4.0 F)	76 years	36 of 100 (Notable)
10 May 1973	Big Falls, US	daily rain	38.1 mm (1.5 in)	24.6 mm (1.0 in)	8 years	36 of 100 (Notable)
10 May 1973	Ai-Petri, UA	daily high min	16.5 C (61.7 F)	4.8 C (8.6 F)	52 years	35 of 100 (Notable)
10 May 1973	La Poza Grande, MX	daily high max	38.9 C (102.0 F)	8.9 C (16.0 F)	24 years	34 of 100 (Routine)
10 May 1973	Gadgarra Forest Reserve, AU	daily rain	59.2 mm (2.3 in)	20.6 mm (0.8 in)	18 years	33 of 100 (Routine)
10 May 1973	Nicosia, CY	daily high min	17.7 C (63.9 F)	1.0 C (1.8 F)	71 years	33 of 100 (Routine)
10 May 1973	Belgrade (Observatory), RS	daily rain	25.9 mm (1.0 in)	16.2 mm (0.6 in)	34 years	33 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

1805 to 1973

Records set or tied on this calendar date in each year from 1805 to 1973. 1973 had 429 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 1973-05-10: 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 10	305
10 to 20	30
20 to 30	13
30 to 40	3
40 to 50	3
50 to 60	1