Weather Records on 23 May 1973

371 weather records were set or tied worldwide on 23 May 1973. Highest significance: Mardie, AU.

Key Facts for 23 May 1973

On 23 May 1973, 371 weather records were set or tied at long-record stations worldwide.
69 were record highs and 66 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 365 daily.
Mardie set a daily record precipitation of 116.3 mm (4.6 in) on 23 May 1973.
Across 158 earlier years (1793 to 2026) the same calendar date averaged 463 records.

Record Map

371 stations

371 station records on 23 May 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 May 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mardie	Australia	Record daily precipitation	116.3 mm (4.6 in)	61 of 100 (Major)
Cumberland	Canada	Record daily precipitation	43.7 mm (1.7 in)	54 of 100 (Notable)
Cushman Dam	United States	Record daily precipitation	44.5 mm (1.8 in)	53 of 100 (Notable)
Cave Run Lake	United States	Record daily precipitation	62.2 mm (2.4 in)	52 of 100 (Notable)
Forks 1 E	United States	Record daily precipitation	77.5 mm (3.1 in)	52 of 100 (Notable)
Ford Lock 1O	United States	Record daily precipitation	49.5 mm (1.9 in)	47 of 100 (Notable)
Spruce	United States	Record daily precipitation	61.2 mm (2.4 in)	47 of 100 (Notable)
Olivedos (Sao Francisco)	Brazil	Record daily precipitation	49.0 mm (1.9 in)	46 of 100 (Notable)
Seymour Falls	Canada	Record daily precipitation	105.4 mm (4.1 in)	46 of 100 (Notable)
Berea College	United States	Record daily precipitation	58.4 mm (2.3 in)	46 of 100 (Notable)
Pikeville	United States	Record daily precipitation	49.5 mm (1.9 in)	46 of 100 (Notable)
Olympia AP	United States	Record daily precipitation	32.8 mm (1.3 in)	46 of 100 (Notable)
Vancouver Harbour CS	Canada	Record daily precipitation	29.5 mm (1.2 in)	44 of 100 (Notable)
Vancouver Pmo	Canada	Record daily precipitation	27.2 mm (1.1 in)	44 of 100 (Notable)
Clallam Bay 1 NNE	United States	Record daily precipitation	42.9 mm (1.7 in)	44 of 100 (Notable)
Nanutarra	Australia	Record daily precipitation	40.4 mm (1.6 in)	43 of 100 (Notable)
Britannia Beach Furry Cr	Canada	Record daily precipitation	45.0 mm (1.8 in)	41 of 100 (Notable)
Sayre	United States	Record daily precipitation	73.9 mm (2.9 in)	41 of 100 (Notable)
Heidelberg	United States	Record daily precipitation	57.9 mm (2.3 in)	40 of 100 (Notable)
Keene 1 WSW	United States	Record daily precipitation	50.8 mm (2.0 in)	40 of 100 (Notable)
Salvisa Lock 6	United States	Record daily precipitation	51.1 mm (2.0 in)	40 of 100 (Notable)
Eau Claire 4 NE	United States	Record daily precipitation	53.3 mm (2.1 in)	40 of 100 (Notable)
Waterville 2	United States	Record daily precipitation	33.0 mm (1.3 in)	40 of 100 (Notable)
Port Alice	Canada	Record daily precipitation	45.2 mm (1.8 in)	39 of 100 (Notable)
Bloomingdale	United States	Record daily precipitation	38.6 mm (1.5 in)	39 of 100 (Notable)
W Liberty 3NW	United States	Record daily precipitation	40.4 mm (1.6 in)	38 of 100 (Notable)
Balmoral	Australia	Record daily precipitation	61.5 mm (2.4 in)	37 of 100 (Notable)
Evans Landing	United States	Record daily precipitation	58.4 mm (2.3 in)	37 of 100 (Notable)
College Hill Lock 11	United States	Record daily precipitation	43.2 mm (1.7 in)	37 of 100 (Notable)
Adrian 2 NNE	United States	Record daily precipitation	35.8 mm (1.4 in)	37 of 100 (Notable)
Mineral	United States	Record daily precipitation	39.9 mm (1.6 in)	36 of 100 (Notable)
Pachena Point	Canada	Record daily precipitation	47.8 mm (1.9 in)	35 of 100 (Notable)
Pelee Island	Canada	Record daily precipitation	30.2 mm (1.2 in)	35 of 100 (Notable)
Taloga	United States	Record daily precipitation	34.8 mm (1.4 in)	35 of 100 (Notable)
Biskra	Algeria	Record high maximum temperature	40.0 C (104.0 F)	34 of 100 (Routine)
Mulgul	Australia	Record daily precipitation	43.2 mm (1.7 in)	34 of 100 (Routine)
Bjelasnica	Bosnia and Herzegovina	Record high maximum temperature	16.0 C (60.8 F)	34 of 100 (Routine)
Hidrolandia (Batoque)	Brazil	Record daily precipitation	37.0 mm (1.5 in)	34 of 100 (Routine)
Clowhom Falls	Canada	Record daily precipitation	69.9 mm (2.8 in)	34 of 100 (Routine)
Chilliwack	Canada	Record daily precipitation	31.8 mm (1.3 in)	34 of 100 (Routine)
Ravenna Lock 12	United States	Record daily precipitation	47.0 mm (1.9 in)	34 of 100 (Routine)
Newport	United States	Record daily precipitation	25.4 mm (1.0 in)	34 of 100 (Routine)
Little Nerang Dam	Australia	Record daily precipitation	71.1 mm (2.8 in)	33 of 100 (Routine)
Jackson	United States	Record daily precipitation	43.4 mm (1.7 in)	33 of 100 (Routine)
McKenzie Rvr Rs	United States	Record daily precipitation	29.2 mm (1.1 in)	33 of 100 (Routine)
Estevan Point	Canada	Record daily precipitation	81.3 mm (3.2 in)	32 of 100 (Routine)
Nicosia	Cyprus	Record high maximum temperature	36.4 C (97.5 F)	32 of 100 (Routine)
Timovskoe	Russia	Record low minimum temperature	-5.3 C (22.5 F)	32 of 100 (Routine)
High Brg Lock 7	United States	Record daily precipitation	31.2 mm (1.2 in)	32 of 100 (Routine)
Paintsville 1E	United States	Record daily precipitation	31.8 mm (1.3 in)	30 of 100 (Routine)
Hillsdale	United States	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
Mundo Novo	Brazil	Record daily precipitation	27.0 mm (1.1 in)	29 of 100 (Routine)
Alert Bay	Canada	Record daily precipitation	26.4 mm (1.0 in)	29 of 100 (Routine)
Tunnel Camp	Canada	Record daily precipitation	89.2 mm (3.5 in)	29 of 100 (Routine)
Mt Sterling	United States	Record daily precipitation	46.2 mm (1.8 in)	29 of 100 (Routine)
Vega 2NW	United States	Record daily precipitation	26.4 mm (1.0 in)	29 of 100 (Routine)
Marble Bar Comparison	Australia	Record high minimum temperature	22.5 C (72.5 F)	28 of 100 (Routine)
Roebourne	Australia	Record daily precipitation	37.6 mm (1.5 in)	28 of 100 (Routine)
Red Hill	Australia	Record daily precipitation	55.1 mm (2.2 in)	28 of 100 (Routine)
Cerradinho	Brazil	Record daily precipitation	34.5 mm (1.4 in)	28 of 100 (Routine)

Counts by Type and Timescale

371 records

Records set or tied on 23 May 1973 by type: Highest daily maximum 24, Lowest daily maximum 40, Highest daily minimum 45, Lowest daily minimum 26, Heaviest daily rainfall 235, Heaviest daily snowfall 1.

Records on 23 May 1973 by type
Record type	Records
Highest daily maximum	24
Lowest daily maximum	40
Highest daily minimum	45
Lowest daily minimum	26
Heaviest daily rainfall	235
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 23 May 1973 by timescale: all-time 0, monthly 6, daily 365.

How Much Records Were Beaten By

326 broken records

Margins by which the 326 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 85.1. Ties are not counted.

Top 20 by Significance

23 May 1973

Top 20 records on 23 May 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 May 1973	Mardie, AU	daily rain	116.3 mm (4.6 in)	85.1 mm (3.4 in)	44 years	61 of 100 (Major)
23 May 1973	Cumberland, CA	daily rain	43.7 mm (1.7 in)	37.3 mm (1.5 in)	22 years	54 of 100 (Notable)
23 May 1973	Cushman Dam, US	daily rain	44.5 mm (1.8 in)	32.8 mm (1.3 in)	58 years	53 of 100 (Notable)
23 May 1973	Cave Run Lake, US	daily rain	62.2 mm (2.4 in)	29.2 mm (1.1 in)	54 years	52 of 100 (Notable)
23 May 1973	Forks 1 E, US	daily rain	77.5 mm (3.1 in)	60.2 mm (2.4 in)	22 years	52 of 100 (Notable)
23 May 1973	Ford Lock 1O, US	daily rain	49.5 mm (1.9 in)	35.5 mm (1.4 in)	22 years	47 of 100 (Notable)
23 May 1973	Spruce, US	daily rain	61.2 mm (2.4 in)	42.4 mm (1.7 in)	22 years	47 of 100 (Notable)
23 May 1973	Olivedos (Sao Francisco), BR	daily rain	49.0 mm (1.9 in)	31.0 mm (1.2 in)	30 years	46 of 100 (Notable)
23 May 1973	Seymour Falls, CA	daily rain	105.4 mm (4.1 in)	82.5 mm (3.2 in)	8 years	46 of 100 (Notable)
23 May 1973	Berea College, US	daily rain	58.4 mm (2.3 in)	26.1 mm (1.0 in)	58 years	46 of 100 (Notable)
23 May 1973	Pikeville, US	daily rain	49.5 mm (1.9 in)	25.4 mm (1.0 in)	39 years	46 of 100 (Notable)
23 May 1973	Olympia AP, US	daily rain	32.8 mm (1.3 in)	23.7 mm (0.9 in)	12 years	46 of 100 (Notable)
23 May 1973	Vancouver Harbour CS, CA	daily rain	29.5 mm (1.2 in)	18.8 mm (0.7 in)	40 years	44 of 100 (Notable)
23 May 1973	Vancouver Pmo, CA	daily rain	27.2 mm (1.1 in)	11.5 mm (0.5 in)	68 years	44 of 100 (Notable)
23 May 1973	Clallam Bay 1 NNE, US	daily rain	42.9 mm (1.7 in)	28.2 mm (1.1 in)	20 years	44 of 100 (Notable)
23 May 1973	Nanutarra, AU	daily rain	40.4 mm (1.6 in)	29.0 mm (1.1 in)	62 years	43 of 100 (Notable)
23 May 1973	Britannia Beach Furry Cr, CA	daily rain	45.0 mm (1.8 in)	26.7 mm (1.1 in)	12 years	41 of 100 (Notable)
23 May 1973	Sayre, US	daily rain	73.9 mm (2.9 in)	47.2 mm (1.9 in)	26 years	41 of 100 (Notable)
23 May 1973	Heidelberg, US	daily rain	57.9 mm (2.3 in)	31.5 mm (1.2 in)	16 years	40 of 100 (Notable)
23 May 1973	Keene 1 WSW, US	daily rain	50.8 mm (2.0 in)	38.1 mm (1.5 in)	20 years	40 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

1793 to 1973

Records set or tied on this calendar date in each year from 1793 to 1973. 1973 had 371 records.

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

Records on 05-23 in each year
Year	Records
1793	1
1794	1
1798	1
1817	1
1818	1
1837	3
1845	1
1847	2
1857	1
1863	1
1865	2
1866	5
1867	7
1870	2
1871	1
1875	1
1877	1
1878	1
1880	1
1884	2
1885	2
1886	4
1887	1
1889	2
1891	11
1893	3
1894	1
1895	3
1896	4
1897	3
1898	8
1899	3
1900	12
1901	3
1902	12
1903	6
1904	14
1905	10
1906	23
1907	11
1908	13
1909	23
1910	26
1911	39
1912	31
1913	29
1914	33
1915	13
1916	44
1917	58
1918	36
1919	120
1920	37
1921	92
1922	82
1923	99
1924	230
1925	325
1926	204
1927	243
1928	177
1929	221
1930	199
1931	719
1932	358
1933	443
1934	203
1935	369
1936	568
1937	156
1938	390
1939	415
1940	324
1941	676
1942	235
1943	342
1944	784
1945	241
1946	311
1947	285
1948	273
1949	612
1950	490
1951	400
1952	597
1953	777
1954	496
1955	650
1956	498
1957	653
1958	744
1959	486
1960	395
1961	412
1962	677
1963	1,153
1964	964
1965	477
1966	391
1967	1,055
1968	578
1969	437
1970	314
1971	659
1972	449
1973	371
1974	678
1975	855
1976	556
1977	596
1978	703
1979	730
1980	1,202
1981	862
1982	717
1983	1,123
1984	1,027
1985	608
1986	626
1987	745
1988	662
1989	1,106
1990	1,660
1991	1,244
1992	1,423
1993	845
1994	690
1995	1,106
1996	1,114
1997	983
1998	947
1999	705
2000	1,372
2001	1,441
2002	1,537
2003	954
2004	1,275
2005	908
2006	1,122
2007	1,170
2008	1,472
2009	805
2010	1,275
2011	1,001
2012	1,006
2013	929
2014	858
2015	667
2016	679
2017	602
2018	552
2019	1,044
2020	631
2021	837
2022	807
2023	316
2024	760
2025	865
2026	804

Download the Data

Data for records on 1973-05-23: 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	284
20 to 40	35
40 to 60	4
60 to 80	1
80 to 100	2