Weather Records on 22 May 1973

446 weather records were set or tied worldwide on 22 May 1973. Highest significance: Pembina, US.

Key Facts for 22 May 1973

On 22 May 1973, 446 weather records were set or tied at long-record stations worldwide.
56 were record highs and 94 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 440 daily.
Pembina set a daily record precipitation of 54.6 mm (2.1 in) on 22 May 1973.
Across 160 earlier years (1806 to 2026) the same calendar date averaged 446 records.

Record Map

446 stations

446 station records on 22 May 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 22 May 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pembina	United States	Record daily precipitation	54.6 mm (2.1 in)	62 of 100 (Major)
Gaspe	Canada	Record daily precipitation	68.3 mm (2.7 in)	58 of 100 (Notable)
Park River	United States	Record daily precipitation	37.8 mm (1.5 in)	54 of 100 (Notable)
Britt 3E	United States	Record daily precipitation	67.3 mm (2.6 in)	50 of 100 (Notable)
Grafton	United States	Record daily precipitation	31.2 mm (1.2 in)	49 of 100 (Notable)
Madison	United States	Record daily precipitation	81.8 mm (3.2 in)	45 of 100 (Notable)
Santa Lucia	Brazil	Record daily precipitation	41.3 mm (1.6 in)	41 of 100 (Notable)
Pachena Point	Canada	Record daily precipitation	41.7 mm (1.6 in)	41 of 100 (Notable)
Santo Amaro	Brazil	Record daily precipitation	39.5 mm (1.6 in)	39 of 100 (Notable)
Bethel AP	United States	Record daily snowfall	10.2 cm (4.0 in)	39 of 100 (Notable)
Sodrelia	Brazil	Record daily precipitation	56.1 mm (2.2 in)	38 of 100 (Notable)
Perus	Brazil	Record daily precipitation	36.7 mm (1.4 in)	38 of 100 (Notable)
Apatzingan (Smn)	Mexico	Record high minimum temperature	32.2 C (90.0 F)	38 of 100 (Notable)
Overbrook 5 SE	United States	Record daily precipitation	91.4 mm (3.6 in)	38 of 100 (Notable)
Woodland	United States	Record daily precipitation	55.9 mm (2.2 in)	38 of 100 (Notable)
Squa Pan Dam	United States	Record daily precipitation	35.6 mm (1.4 in)	37 of 100 (Notable)
Fazenda Aterradinho	Brazil	Record daily precipitation	55.4 mm (2.2 in)	36 of 100 (Notable)
Gretna (Aut)	Canada	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
Arhangelsk	Russia	Record high maximum temperature	25.4 C (77.7 F)	36 of 100 (Notable)
Hamersley	Australia	Record daily precipitation	33.5 mm (1.3 in)	35 of 100 (Notable)
Fernao Dias	Brazil	Record daily precipitation	44.3 mm (1.7 in)	35 of 100 (Notable)
Guaianas	Brazil	Record daily precipitation	27.5 mm (1.1 in)	34 of 100 (Routine)
Sete Barras	Brazil	Record daily precipitation	36.0 mm (1.4 in)	34 of 100 (Routine)
Clarke City	Canada	Record daily precipitation	35.1 mm (1.4 in)	34 of 100 (Routine)
Kassler	United States	Record daily precipitation	46.5 mm (1.8 in)	34 of 100 (Routine)
Millinocket	United States	Record daily precipitation	30.7 mm (1.2 in)	34 of 100 (Routine)
Ribeira	Brazil	Record daily precipitation	55.6 mm (2.2 in)	33 of 100 (Routine)
Itapeuna	Brazil	Record daily precipitation	34.0 mm (1.3 in)	33 of 100 (Routine)
Ellsworth	United States	Record daily precipitation	38.1 mm (1.5 in)	33 of 100 (Routine)
Sao Caetano Do Sul	Brazil	Record daily precipitation	43.4 mm (1.7 in)	32 of 100 (Routine)
Sarutaia (US.Boa Vista-Clfsc)	Brazil	Record daily precipitation	40.9 mm (1.6 in)	32 of 100 (Routine)
Jacupiranga	Brazil	Record daily precipitation	34.5 mm (1.4 in)	32 of 100 (Routine)
Trafalgar	Canada	Record daily precipitation	42.2 mm (1.7 in)	32 of 100 (Routine)
Osijek	Croatia	Record high minimum temperature	17.0 C (62.6 F)	32 of 100 (Routine)
Jerome 2 S	United States	Record daily precipitation	43.2 mm (1.7 in)	32 of 100 (Routine)
Ft Kent	United States	Record daily precipitation	34.8 mm (1.4 in)	32 of 100 (Routine)
Hallock	United States	Record daily precipitation	45.2 mm (1.8 in)	32 of 100 (Routine)
Southport 5 N	United States	Record low minimum temperature	8.9 C (48.0 F)	32 of 100 (Routine)
Larimore 4SW	United States	Record daily precipitation	32.0 mm (1.3 in)	32 of 100 (Routine)
Kenai AP	United States	Record low minimum temperature	-1.7 C (28.9 F)	31 of 100 (Routine)
Baixo Cotia	Brazil	Record daily precipitation	36.8 mm (1.4 in)	30 of 100 (Routine)
Itapetininga	Brazil	Record daily precipitation	41.5 mm (1.6 in)	30 of 100 (Routine)
Fortaleza (Escola Regional)	Brazil	Record daily precipitation	64.1 mm (2.5 in)	30 of 100 (Routine)
Agua Branca	Brazil	Record daily precipitation	38.6 mm (1.5 in)	29 of 100 (Routine)
Club Crocodile Resort	Australia	Record daily precipitation	72.6 mm (2.9 in)	28 of 100 (Routine)
Sao Paulo	Brazil	Record daily precipitation	34.6 mm (1.4 in)	28 of 100 (Routine)
Baddeck	Canada	Record daily precipitation	45.7 mm (1.8 in)	28 of 100 (Routine)
Yates Ctr	United States	Record daily precipitation	53.3 mm (2.1 in)	28 of 100 (Routine)
Minderoo	Australia	Record daily precipitation	94.7 mm (3.7 in)	27 of 100 (Routine)
Praia Grande (Parana)	Brazil	Record daily precipitation	33.2 mm (1.3 in)	27 of 100 (Routine)
Elias Fausto	Brazil	Record daily precipitation	28.8 mm (1.1 in)	27 of 100 (Routine)
Rodeo (Smn)	Mexico	Record low maximum temperature	26.7 C (80.1 F)	27 of 100 (Routine)
Iola 1 W	United States	Record daily precipitation	52.1 mm (2.1 in)	27 of 100 (Routine)
Harrisonville	United States	Record daily precipitation	55.1 mm (2.2 in)	27 of 100 (Routine)
Norris Madison Pwr House	United States	Record low minimum temperature	-1.7 C (28.9 F)	27 of 100 (Routine)
Ponte Guatapara	Brazil	Record daily precipitation	26.4 mm (1.0 in)	26 of 100 (Routine)
Charqueada	Brazil	Record daily precipitation	31.6 mm (1.2 in)	26 of 100 (Routine)
Eldorado	Brazil	Record daily precipitation	35.0 mm (1.4 in)	26 of 100 (Routine)
Grapevine Dam	United States	Record high maximum temperature	35.0 C (95.0 F)	26 of 100 (Routine)
Hakalau 142	United States	Record daily precipitation	33.0 mm (1.3 in)	26 of 100 (Routine)

Counts by Type and Timescale

446 records

Records set or tied on 22 May 1973 by type: Highest daily maximum 30, Lowest daily maximum 43, Highest daily minimum 26, Lowest daily minimum 51, Heaviest daily rainfall 293, Heaviest daily snowfall 3.

Records on 22 May 1973 by type
Record type	Records
Highest daily maximum	30
Lowest daily maximum	43
Highest daily minimum	26
Lowest daily minimum	51
Heaviest daily rainfall	293
Heaviest daily snowfall	3
Deepest snow cover	0

Records on 22 May 1973 by timescale: all-time 0, monthly 6, daily 440.

How Much Records Were Beaten By

384 broken records

Margins by which the 384 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 66.0. Ties are not counted.

Top 20 by Significance

22 May 1973

Top 20 records on 22 May 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 May 1973	Pembina, US	daily rain	54.6 mm (2.1 in)	41.9 mm (1.6 in)	52 years	62 of 100 (Major)
22 May 1973	Gaspe, CA	daily rain	68.3 mm (2.7 in)	50.5 mm (2.0 in)	39 years	58 of 100 (Notable)
22 May 1973	Park River, US	daily rain	37.8 mm (1.5 in)	24.6 mm (1.0 in)	60 years	54 of 100 (Notable)
22 May 1973	Britt 3E, US	daily rain	67.3 mm (2.6 in)	42.2 mm (1.7 in)	43 years	50 of 100 (Notable)
22 May 1973	Grafton, US	daily rain	31.2 mm (1.2 in)	20.8 mm (0.8 in)	51 years	49 of 100 (Notable)
22 May 1973	Madison, US	daily rain	81.8 mm (3.2 in)	25.9 mm (1.0 in)	71 years	45 of 100 (Notable)
22 May 1973	Santa Lucia, BR	daily rain	41.3 mm (1.6 in)	41.3 mm (1.6 in)	36 years	41 of 100 (Notable)
22 May 1973	Pachena Point, CA	daily rain	41.7 mm (1.6 in)	26.0 mm (1.0 in)	40 years	41 of 100 (Notable)
22 May 1973	Santo Amaro, BR	daily rain	39.5 mm (1.6 in)	24.5 mm (1.0 in)	35 years	39 of 100 (Notable)
22 May 1973	Bethel AP, US	monthly snowfall	10.2 cm (4.0 in)	3.3 cm (1.3 in)	7 years	39 of 100 (Notable)
22 May 1973	Sodrelia, BR	daily rain	56.1 mm (2.2 in)	35.9 mm (1.4 in)	35 years	38 of 100 (Notable)
22 May 1973	Perus, BR	daily rain	36.7 mm (1.4 in)	30.7 mm (1.2 in)	36 years	38 of 100 (Notable)
22 May 1973	Apatzingan (Smn), MX	daily high min	32.2 C (90.0 F)	5.5 C (9.9 F)	44 years	38 of 100 (Notable)
22 May 1973	Overbrook 5 SE, US	monthly rain	91.4 mm (3.6 in)	15.7 mm (0.6 in)	37 years	38 of 100 (Notable)
22 May 1973	Woodland, US	daily rain	55.9 mm (2.2 in)	28.0 mm (1.1 in)	24 years	38 of 100 (Notable)
22 May 1973	Squa Pan Dam, US	daily rain	35.6 mm (1.4 in)	17.6 mm (0.7 in)	24 years	37 of 100 (Notable)
22 May 1973	Fazenda Aterradinho, BR	daily rain	55.4 mm (2.2 in)	39.4 mm (1.6 in)	15 years	36 of 100 (Notable)
22 May 1973	Gretna (Aut), CA	daily rain	25.4 mm (1.0 in)	6.3 mm (0.25 in)	70 years	36 of 100 (Notable)
22 May 1973	Arhangelsk, RU	daily high max	25.4 C (77.7 F)	0.8 C (1.4 F)	87 years	36 of 100 (Notable)
22 May 1973	Hamersley, AU	daily rain	33.5 mm (1.3 in)	20.8 mm (0.8 in)	56 years	35 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

1806 to 1973

Records set or tied on this calendar date in each year from 1806 to 1973. 1973 had 446 records.

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

Records on 05-22 in each year
Year	Records
1806	1
1837	4
1840	1
1841	1
1845	1
1846	1
1847	2
1857	1
1861	1
1862	1
1864	1
1865	1
1866	5
1867	3
1870	2
1872	1
1874	2
1875	1
1877	1
1881	1
1883	3
1885	1
1886	5
1887	3
1889	2
1890	4
1891	1
1892	2
1894	3
1895	2
1896	5
1897	3
1898	3
1899	3
1900	2
1901	3
1902	5
1903	7
1904	6
1905	11
1906	15
1907	45
1908	20
1909	19
1910	6
1911	77
1912	20
1913	15
1914	30
1915	23
1916	22
1917	43
1918	50
1919	402
1920	27
1921	85
1922	60
1923	63
1924	196
1925	382
1926	165
1927	250
1928	168
1929	210
1930	121
1931	489
1932	306
1933	307
1934	292
1935	162
1936	490
1937	192
1938	313
1939	407
1940	364
1941	640
1942	379
1943	385
1944	490
1945	334
1946	277
1947	340
1948	322
1949	534
1950	456
1951	294
1952	442
1953	632
1954	558
1955	556
1956	617
1957	774
1958	584
1959	713
1960	455
1961	446
1962	662
1963	1,149
1964	775
1965	367
1966	434
1967	1,222
1968	502
1969	593
1970	306
1971	479
1972	462
1973	446
1974	613
1975	772
1976	476
1977	648
1978	558
1979	674
1980	997
1981	1,427
1982	558
1983	1,025
1984	907
1985	736
1986	724
1987	810
1988	641
1989	722
1990	1,193
1991	1,200
1992	1,159
1993	922
1994	517
1995	823
1996	1,139
1997	1,154
1998	995
1999	610
2000	1,124
2001	1,371
2002	2,020
2003	822
2004	1,111
2005	1,002
2006	1,174
2007	1,113
2008	967
2009	1,075
2010	1,051
2011	745
2012	1,039
2013	1,216
2014	828
2015	938
2016	807
2017	613
2018	495
2019	1,372
2020	631
2021	915
2022	1,248
2023	400
2024	861
2025	778
2026	473

Download the Data

Data for records on 1973-05-22: 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	287
10 to 20	54
20 to 30	28
30 to 40	10
40 to 50	3
50 to 60	1
60 to 70	1