Weather Records on 25 May 1973

595 weather records were set or tied worldwide on 25 May 1973. Highest significance: Hobhouse 23, ZA.

Key Facts for 25 May 1973

On 25 May 1973, 595 weather records were set or tied at long-record stations worldwide.
105 were record highs and 175 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 12 monthly and 582 daily.
Hobhouse 23 set a monthly record daily precipitation of 80.0 mm (3.1 in) on 25 May 1973.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 442 records.

Record Map

595 stations

595 station records on 25 May 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 May 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hobhouse 23	South Africa	Record daily precipitation	80.0 mm (3.1 in)	64 of 100 (Major)
Claresholm Meadow Creek	Canada	Record daily precipitation	54.4 mm (2.1 in)	60 of 100 (Major)
Marshfield Exp Farm	United States	Record daily precipitation	77.5 mm (3.1 in)	55 of 100 (Notable)
Vinnytsia	Ukraine	Record daily precipitation	40.9 mm (1.6 in)	53 of 100 (Notable)
Banff	Canada	Record daily precipitation	53.6 mm (2.1 in)	52 of 100 (Notable)
Zhytomyr	Ukraine	Record daily precipitation	30.2 mm (1.2 in)	49 of 100 (Notable)
Findlay AP	United States	Record daily precipitation	61.0 mm (2.4 in)	49 of 100 (Notable)
Beardsley	United States	Record daily precipitation	51.1 mm (2.0 in)	48 of 100 (Notable)
Medford	United States	Record daily precipitation	43.2 mm (1.7 in)	48 of 100 (Notable)
Aquiraz	Brazil	Record daily precipitation	75.0 mm (3.0 in)	47 of 100 (Notable)
Moscow U of I	United States	Record daily precipitation	26.2 mm (1.0 in)	47 of 100 (Notable)
Pittsville	United States	Record daily precipitation	67.1 mm (2.6 in)	47 of 100 (Notable)
Catita	Brazil	Record daily precipitation	74.0 mm (2.9 in)	46 of 100 (Notable)
Brisco	Canada	Record daily precipitation	30.7 mm (1.2 in)	44 of 100 (Notable)
Kananaskis	Canada	Record daily precipitation	74.9 mm (2.9 in)	44 of 100 (Notable)
Voznesensk	Ukraine	Record daily precipitation	40.4 mm (1.6 in)	43 of 100 (Notable)
Neillsville 3ESE	United States	Record daily precipitation	48.8 mm (1.9 in)	43 of 100 (Notable)
Wahpeton 3 N	United States	Record daily precipitation	36.8 mm (1.4 in)	42 of 100 (Notable)
Pekisko	Canada	Record daily precipitation	45.7 mm (1.8 in)	41 of 100 (Notable)
Morgan	United States	Record daily precipitation	25.7 mm (1.0 in)	39 of 100 (Notable)
Cut Bank AP	United States	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Biskra	Algeria	Record high minimum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Paramoti	Brazil	Record daily precipitation	42.2 mm (1.7 in)	38 of 100 (Notable)
Kamiah	United States	Record daily precipitation	27.9 mm (1.1 in)	38 of 100 (Notable)
Quantico 1 S	United States	Record low maximum temperature	13.9 C (57.0 F)	38 of 100 (Notable)
Cambridge Water Trmt P	United States	Record low maximum temperature	13.3 C (55.9 F)	36 of 100 (Notable)
Vancleave	United States	Record daily precipitation	71.1 mm (2.8 in)	36 of 100 (Notable)
Cottonwood Weir	United States	Record daily precipitation	31.8 mm (1.3 in)	36 of 100 (Notable)
Petrolandia (Itaparica)	Brazil	Record daily precipitation	25.0 mm (1.0 in)	35 of 100 (Notable)
Gayvoron	Ukraine	Record daily precipitation	26.7 mm (1.1 in)	35 of 100 (Notable)
Danbury	United States	Record daily precipitation	37.6 mm (1.5 in)	35 of 100 (Notable)
Solon Springs	United States	Record daily precipitation	37.8 mm (1.5 in)	35 of 100 (Notable)
Hagerstown	United States	Record low maximum temperature	15.0 C (59.0 F)	34 of 100 (Routine)
Laurel 3 W	United States	Record low maximum temperature	11.7 C (53.1 F)	34 of 100 (Routine)
Tewantin Post Office	Australia	Record high minimum temperature	19.7 C (67.5 F)	33 of 100 (Routine)
Newark Ag Farm	United States	Record low maximum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Campbell	United States	Record daily precipitation	30.5 mm (1.2 in)	33 of 100 (Routine)
Silver Lake Brighton	United States	Record daily snowfall	25.4 cm (10.0 in)	33 of 100 (Routine)
Oconto 4 W	United States	Record daily precipitation	31.8 mm (1.3 in)	33 of 100 (Routine)
Tibooburra Post Office	Australia	Record high maximum temperature	29.4 C (84.9 F)	32 of 100 (Routine)
Easton	United States	Record low maximum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Spanish Fk Pwr House	United States	Record daily precipitation	29.0 mm (1.1 in)	32 of 100 (Routine)
Manassas 3 NW	United States	Record low maximum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Warsaw 2 NW	United States	Record low maximum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
Moorefield 1 SSE	United States	Record low maximum temperature	15.0 C (59.0 F)	32 of 100 (Routine)
Bartow 1SE	United States	Record high minimum temperature	22.8 C (73.0 F)	31 of 100 (Routine)
Chestertown	United States	Record low maximum temperature	12.8 C (55.0 F)	31 of 100 (Routine)
College Park	United States	Record low maximum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
Riverdale	United States	Record daily precipitation	25.9 mm (1.0 in)	31 of 100 (Routine)
White Sulphur Springs	United States	Record daily precipitation	32.8 mm (1.3 in)	31 of 100 (Routine)
Sheboygan	United States	Record daily precipitation	30.2 mm (1.2 in)	31 of 100 (Routine)
Ubiracu	Brazil	Record daily precipitation	38.3 mm (1.5 in)	30 of 100 (Routine)
Ft Pierce	United States	Record daily precipitation	51.3 mm (2.0 in)	30 of 100 (Routine)
Kooskia	United States	Record daily precipitation	33.0 mm (1.3 in)	30 of 100 (Routine)
Rockville 1 NE	United States	Record low maximum temperature	15.0 C (59.0 F)	30 of 100 (Routine)
Grand Marais	United States	Record daily precipitation	30.7 mm (1.2 in)	30 of 100 (Routine)
Charlottesville 2W	United States	Record low maximum temperature	15.0 C (59.0 F)	30 of 100 (Routine)
Sedro-Woolley	United States	Record low maximum temperature	11.1 C (52.0 F)	30 of 100 (Routine)
Shawano 2SSW	United States	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Snowtown	Australia	Record high minimum temperature	14.7 C (58.5 F)	29 of 100 (Routine)

Counts by Type and Timescale

595 records

Records set or tied on 25 May 1973 by type: Highest daily maximum 54, Lowest daily maximum 143, Highest daily minimum 51, Lowest daily minimum 32, Heaviest daily rainfall 307, Heaviest daily snowfall 7, Deepest snow cover 1.

Records on 25 May 1973 by type
Record type	Records
Highest daily maximum	54
Lowest daily maximum	143
Highest daily minimum	51
Lowest daily minimum	32
Heaviest daily rainfall	307
Heaviest daily snowfall	7
Deepest snow cover	1

Records on 25 May 1973 by timescale: all-time 1, monthly 12, daily 582.

How Much Records Were Beaten By

491 broken records

Margins by which the 491 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 178.0. Ties are not counted.

Top 20 by Significance

25 May 1973

Top 20 records on 25 May 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 May 1973	Hobhouse 23, ZA	monthly rain	80.0 mm (3.1 in)	41.9 mm (1.6 in)	30 years	64 of 100 (Major)
25 May 1973	Claresholm Meadow Creek, CA	daily rain	54.4 mm (2.1 in)	27.0 mm (1.1 in)	56 years	60 of 100 (Major)
25 May 1973	Marshfield Exp Farm, US	daily rain	77.5 mm (3.1 in)	37.6 mm (1.5 in)	55 years	55 of 100 (Notable)
25 May 1973	Vinnytsia, UA	daily rain	40.9 mm (1.6 in)	31.4 mm (1.2 in)	34 years	53 of 100 (Notable)
25 May 1973	Banff, CA	all-time rain	53.6 mm (2.1 in)	0.3 mm (0.01 in)	80 years	52 of 100 (Notable)
25 May 1973	Zhytomyr, UA	daily rain	30.2 mm (1.2 in)	24.7 mm (1.0 in)	23 years	49 of 100 (Notable)
25 May 1973	Findlay AP, US	daily rain	61.0 mm (2.4 in)	39.7 mm (1.6 in)	20 years	49 of 100 (Notable)
25 May 1973	Beardsley, US	daily rain	51.1 mm (2.0 in)	21.9 mm (0.9 in)	66 years	48 of 100 (Notable)
25 May 1973	Medford, US	daily rain	43.2 mm (1.7 in)	21.6 mm (0.9 in)	68 years	48 of 100 (Notable)
25 May 1973	Aquiraz, BR	daily rain	75.0 mm (3.0 in)	55.0 mm (2.2 in)	55 years	47 of 100 (Notable)
25 May 1973	Moscow U of I, US	daily rain	26.2 mm (1.0 in)	12.0 mm (0.5 in)	63 years	47 of 100 (Notable)
25 May 1973	Pittsville, US	daily rain	67.1 mm (2.6 in)	52.6 mm (2.1 in)	16 years	47 of 100 (Notable)
25 May 1973	Catita, BR	daily rain	74.0 mm (2.9 in)	64.3 mm (2.5 in)	7 years	46 of 100 (Notable)
25 May 1973	Brisco, CA	daily rain	30.7 mm (1.2 in)	13.9 mm (0.5 in)	32 years	44 of 100 (Notable)
25 May 1973	Kananaskis, CA	monthly rain	74.9 mm (2.9 in)	20.8 mm (0.8 in)	26 years	44 of 100 (Notable)
25 May 1973	Voznesensk, UA	daily rain	40.4 mm (1.6 in)	32.4 mm (1.3 in)	3 years	43 of 100 (Notable)
25 May 1973	Neillsville 3ESE, US	daily rain	48.8 mm (1.9 in)	22.4 mm (0.9 in)	55 years	43 of 100 (Notable)
25 May 1973	Wahpeton 3 N, US	daily rain	36.8 mm (1.4 in)	15.2 mm (0.6 in)	66 years	42 of 100 (Notable)
25 May 1973	Pekisko, CA	daily rain	45.7 mm (1.8 in)	20.8 mm (0.8 in)	56 years	41 of 100 (Notable)
25 May 1973	Morgan, US	daily rain	25.7 mm (1.0 in)	7.4 mm (0.29 in)	68 years	39 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 595 records.

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

Records on 05-25 in each year
Year	Records
1793	1
1795	1
1797	1
1824	1
1830	1
1837	2
1839	1
1841	1
1846	2
1847	3
1848	1
1852	1
1864	1
1865	1
1866	2
1867	2
1868	3
1869	1
1870	1
1875	1
1879	2
1880	3
1881	1
1883	1
1886	1
1887	2
1889	3
1890	12
1891	1
1892	1
1893	1
1894	1
1895	3
1897	1
1898	5
1899	2
1900	5
1901	10
1902	2
1903	7
1904	14
1905	9
1906	41
1907	18
1908	25
1909	20
1910	35
1911	15
1912	21
1913	46
1914	33
1915	20
1916	33
1917	53
1918	22
1919	36
1920	59
1921	208
1922	118
1923	113
1924	277
1925	675
1926	221
1927	240
1928	301
1929	122
1930	156
1931	262
1932	358
1933	400
1934	219
1935	301
1936	407
1937	176
1938	456
1939	322
1940	259
1941	297
1942	534
1943	567
1944	392
1945	225
1946	371
1947	588
1948	317
1949	371
1950	644
1951	542
1952	436
1953	1,024
1954	284
1955	1,068
1956	940
1957	463
1958	439
1959	316
1960	493
1961	254
1962	567
1963	352
1964	716
1965	662
1966	295
1967	946
1968	394
1969	367
1970	385
1971	700
1972	477
1973	595
1974	820
1975	922
1976	412
1977	946
1978	581
1979	1,432
1980	1,160
1981	1,072
1982	714
1983	1,147
1984	677
1985	519
1986	500
1987	703
1988	635
1989	1,190
1990	656
1991	1,768
1992	1,682
1993	824
1994	773
1995	1,546
1996	1,304
1997	1,513
1998	882
1999	708
2000	1,417
2001	1,201
2002	1,001
2003	918
2004	903
2005	909
2006	801
2007	1,420
2008	840
2009	1,088
2010	1,512
2011	1,180
2012	1,616
2013	912
2014	761
2015	407
2016	429
2017	829
2018	800
2019	641
2020	564
2021	505
2022	752
2023	305
2024	688
2025	527
2026	913

Download the Data

Data for records on 1973-05-25: 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 25	473
25 to 50	13
50 to 75	3
75 to 100	1
100 to 125	0
125 to 150	0
150 to 175	0
175 to 200	1