Weather Records on 25 May 1975

922 weather records were set or tied worldwide on 25 May 1975. Highest significance: Yacka, AU.

Key Facts for 25 May 1975

On 25 May 1975, 922 weather records were set or tied at long-record stations worldwide.
341 were record highs and 345 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 18 monthly and 904 daily.
Yacka set a daily record precipitation of 33.0 mm (1.3 in) on 25 May 1975.
Across 162 earlier years (1793 to 2026) the same calendar date averaged 440 records.

Record Map

922 stations

922 station records on 25 May 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 25 May 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Yacka	Australia	Record daily precipitation	33.0 mm (1.3 in)	58 of 100 (Notable)
Portland	Australia	Record daily precipitation	45.6 mm (1.8 in)	53 of 100 (Notable)
Kellevie	Australia	Record daily precipitation	92.0 mm (3.6 in)	53 of 100 (Notable)
Amealco	Mexico	Record daily precipitation	33.8 mm (1.3 in)	49 of 100 (Notable)
Irkutsk	Russia	Record daily precipitation	28.5 mm (1.1 in)	45 of 100 (Notable)
Deloraine (Athol)	Australia	Record daily precipitation	37.8 mm (1.5 in)	44 of 100 (Notable)
Bologna	Italy	Record daily precipitation	29.2 mm (1.1 in)	44 of 100 (Notable)
Kybybolite Research Centre	Australia	Record daily precipitation	29.6 mm (1.2 in)	43 of 100 (Notable)
Khankandy	Azerbaijan	Record daily precipitation	50.1 mm (2.0 in)	42 of 100 (Notable)
Chetwynd	Australia	Record daily precipitation	27.0 mm (1.1 in)	42 of 100 (Notable)
Latrobe (Coal Road)	Australia	Record daily precipitation	35.6 mm (1.4 in)	41 of 100 (Notable)
Winnemucca AP	United States	Record low minimum temperature	-2.2 C (28.0 F)	41 of 100 (Notable)
Parry Sound	Canada	Record high minimum temperature	16.7 C (62.1 F)	40 of 100 (Notable)
Ustordynskij	Russia	Record daily precipitation	27.8 mm (1.1 in)	40 of 100 (Notable)
Aurora Water	United States	Record daily precipitation	51.3 mm (2.0 in)	40 of 100 (Notable)
Ottawa 4SW	United States	Record daily precipitation	43.2 mm (1.7 in)	40 of 100 (Notable)
Paris Stp	United States	Record daily precipitation	36.1 mm (1.4 in)	40 of 100 (Notable)
Westbury (Valley View)	Australia	Record daily precipitation	30.0 mm (1.2 in)	39 of 100 (Notable)
Toledo Blade	United States	Record high minimum temperature	21.1 C (70.0 F)	39 of 100 (Notable)
Cudlee Creek (Millbrook)	Australia	Record daily precipitation	71.8 mm (2.8 in)	38 of 100 (Notable)
Apatzingan (Smn)	Mexico	Record high minimum temperature	35.6 C (96.1 F)	38 of 100 (Notable)
Temascales	Mexico	Record daily precipitation	30.0 mm (1.2 in)	38 of 100 (Notable)
Drobeta Turnu Severin	Romania	Record daily precipitation	45.4 mm (1.8 in)	38 of 100 (Notable)
Durham	Canada	Record high maximum temperature	29.4 C (84.9 F)	37 of 100 (Notable)
Streator 2SE	United States	Record daily precipitation	39.9 mm (1.6 in)	37 of 100 (Notable)
Moltema (Craythorne)	Australia	Record daily precipitation	34.0 mm (1.3 in)	36 of 100 (Notable)
Pelee Island	Canada	Record high maximum temperature	31.1 C (88.0 F)	36 of 100 (Notable)
Salinillas	Mexico	Record low minimum temperature	10.0 C (50.0 F)	36 of 100 (Notable)
Toulon	United States	Record daily precipitation	48.0 mm (1.9 in)	36 of 100 (Notable)
Logan Utah St UNIV	United States	Record low minimum temperature	-1.7 C (28.9 F)	36 of 100 (Notable)
Alger-Dar El Beida	Algeria	Record daily precipitation	26.5 mm (1.0 in)	35 of 100 (Notable)
Mole Creek	Australia	Record daily precipitation	45.4 mm (1.8 in)	35 of 100 (Notable)
Freiburg	Germany	Record low maximum temperature	12.8 C (55.0 F)	35 of 100 (Notable)
Westfield 2 SSE	United States	Record high minimum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
Hidrolandia (Batoque)	Brazil	Record daily precipitation	49.0 mm (1.9 in)	34 of 100 (Routine)
Uman	Ukraine	Record daily precipitation	54.8 mm (2.2 in)	34 of 100 (Routine)
McCall	United States	Record low minimum temperature	-7.8 C (18.0 F)	34 of 100 (Routine)
Paw Paw 2S	United States	Record daily precipitation	32.5 mm (1.3 in)	34 of 100 (Routine)
Beulah	United States	Record low minimum temperature	-3.9 C (25.0 F)	34 of 100 (Routine)
Green Bay	United States	Record high minimum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Hahndorf	Australia	Record daily precipitation	47.6 mm (1.9 in)	33 of 100 (Routine)
Ft Bidwell	United States	Record low minimum temperature	-5.0 C (23.0 F)	33 of 100 (Routine)
Estherville 4E	United States	Record high minimum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
Wells	United States	Record low minimum temperature	-7.8 C (18.0 F)	33 of 100 (Routine)
Buena Vista	United States	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Mount Bryan	Australia	Record daily precipitation	26.2 mm (1.0 in)	32 of 100 (Routine)
Lucknow	Canada	Record high maximum temperature	31.1 C (88.0 F)	32 of 100 (Routine)
Barrage Temiscamingue	Canada	Record high minimum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Storrs	United States	Record high maximum temperature	31.7 C (89.1 F)	32 of 100 (Routine)
Red Lodge	United States	Record low minimum temperature	-5.6 C (21.9 F)	32 of 100 (Routine)
Toledo Blade	United States	Record high maximum temperature	32.8 C (91.0 F)	32 of 100 (Routine)
Yellowstone Park Mammoth	United States	Record low maximum temperature	9.4 C (48.9 F)	32 of 100 (Routine)
Ridgley	Australia	Record daily precipitation	49.0 mm (1.9 in)	31 of 100 (Routine)
Sao Joao Do Jaguaribe	Brazil	Record daily precipitation	38.8 mm (1.5 in)	31 of 100 (Routine)
Welland	Canada	Record high minimum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Casa Grande	United States	Record low minimum temperature	7.2 C (45.0 F)	31 of 100 (Routine)
Blackfoot Fire Dept	United States	Record low minimum temperature	-3.3 C (26.1 F)	31 of 100 (Routine)
Le Claire L&D 14	United States	Record daily precipitation	45.7 mm (1.8 in)	31 of 100 (Routine)
Alma	United States	Record high minimum temperature	18.3 C (64.9 F)	31 of 100 (Routine)
Benton Harbor AP	United States	Record high minimum temperature	17.2 C (63.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

922 records

Records set or tied on 25 May 1975 by type: Highest daily maximum 147, Lowest daily maximum 98, Highest daily minimum 194, Lowest daily minimum 247, Heaviest daily rainfall 229, Heaviest daily snowfall 5, Deepest snow cover 2.

Records on 25 May 1975 by type
Record type	Records
Highest daily maximum	147
Lowest daily maximum	98
Highest daily minimum	194
Lowest daily minimum	247
Heaviest daily rainfall	229
Heaviest daily snowfall	5
Deepest snow cover	2

Records on 25 May 1975 by timescale: all-time 0, monthly 18, daily 904.

How Much Records Were Beaten By

741 broken records

Margins by which the 741 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 610.0. Ties are not counted.

Top 20 by Significance

25 May 1975

Top 20 records on 25 May 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
25 May 1975	Yacka, AU	daily rain	33.0 mm (1.3 in)	23.1 mm (0.9 in)	49 years	58 of 100 (Notable)
25 May 1975	Portland, AU	daily rain	45.6 mm (1.8 in)	15.6 mm (0.6 in)	53 years	53 of 100 (Notable)
25 May 1975	Kellevie, AU	daily rain	92.0 mm (3.6 in)	60.0 mm (2.4 in)	18 years	53 of 100 (Notable)
25 May 1975	Amealco, MX	daily rain	33.8 mm (1.3 in)	25.9 mm (1.0 in)	20 years	49 of 100 (Notable)
25 May 1975	Irkutsk, RU	daily rain	28.5 mm (1.1 in)	12.8 mm (0.5 in)	17 years	45 of 100 (Notable)
25 May 1975	Deloraine (Athol), AU	daily rain	37.8 mm (1.5 in)	15.7 mm (0.6 in)	62 years	44 of 100 (Notable)
25 May 1975	Bologna, IT	daily rain	29.2 mm (1.1 in)	3.7 mm (0.15 in)	105 years	44 of 100 (Notable)
25 May 1975	Kybybolite Research Centre, AU	daily rain	29.6 mm (1.2 in)	15.1 mm (0.6 in)	24 years	43 of 100 (Notable)
25 May 1975	Khankandy, AZ	daily rain	50.1 mm (2.0 in)	26.8 mm (1.1 in)	18 years	42 of 100 (Notable)
25 May 1975	Chetwynd, AU	daily rain	27.0 mm (1.1 in)	9.2 mm (0.36 in)	69 years	42 of 100 (Notable)
25 May 1975	Latrobe (Coal Road), AU	daily rain	35.6 mm (1.4 in)	19.9 mm (0.8 in)	48 years	41 of 100 (Notable)
25 May 1975	Winnemucca AP, US	daily low min	-2.2 C (28.0 F)	1.6 C (2.9 F)	94 years	41 of 100 (Notable)
25 May 1975	Parry Sound, CA	daily high min	16.7 C (62.1 F)	1.1 C (2.0 F)	94 years	40 of 100 (Notable)
25 May 1975	Ustordynskij, RU	daily rain	27.8 mm (1.1 in)	11.9 mm (0.5 in)	17 years	40 of 100 (Notable)
25 May 1975	Aurora Water, US	daily rain	51.3 mm (2.0 in)	14.5 mm (0.6 in)	60 years	40 of 100 (Notable)
25 May 1975	Ottawa 4SW, US	daily rain	43.2 mm (1.7 in)	12.7 mm (0.5 in)	68 years	40 of 100 (Notable)
25 May 1975	Paris Stp, US	daily rain	36.1 mm (1.4 in)	10.7 mm (0.4 in)	81 years	40 of 100 (Notable)
25 May 1975	Westbury (Valley View), AU	daily rain	30.0 mm (1.2 in)	12.2 mm (0.5 in)	62 years	39 of 100 (Notable)
25 May 1975	Toledo Blade, US	daily high min	21.1 C (70.0 F)	0.5 C (0.9 F)	94 years	39 of 100 (Notable)
25 May 1975	Cudlee Creek (Millbrook), AU	daily rain	71.8 mm (2.8 in)	25.8 mm (1.0 in)	24 years	38 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 1975

Records set or tied on this calendar date in each year from 1793 to 1975. 1975 had 922 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 1975-05-25: 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 100	739
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	1
500 to 600	0
600 to 700	1