Weather Records on 20 May 1925

251 weather records were set or tied worldwide on 20 May 1925. Highest significance: Hood Rvr Exp STN, US.

Key Facts for 20 May 1925

On 20 May 1925, 251 weather records were set or tied at long-record stations worldwide.
190 were record highs and 37 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 22 monthly and 229 daily.
Hood Rvr Exp STN set a daily record precipitation of 27.7 mm (1.1 in) on 20 May 1925.
Across 162 earlier years (1802 to 2026) the same calendar date averaged 457 records.

Record Map

251 stations

251 station records on 20 May 1925 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 May 1925: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hood Rvr Exp STN	United States	Record daily precipitation	27.7 mm (1.1 in)	45 of 100 (Notable)
Ft Bidwell	United States	Record daily precipitation	25.1 mm (1.0 in)	29 of 100 (Routine)
Cascade Locks	United States	Record daily precipitation	27.9 mm (1.1 in)	29 of 100 (Routine)
Chaplin	Canada	Record high minimum temperature	16.7 C (62.1 F)	28 of 100 (Routine)
Howard	United States	Record high maximum temperature	36.7 C (98.1 F)	24 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record high maximum temperature	13.4 C (56.1 F)	23 of 100 (Routine)
Lamar	United States	Record high maximum temperature	39.4 C (102.9 F)	23 of 100 (Routine)
Santa Fe	United States	Record high minimum temperature	15.0 C (59.0 F)	23 of 100 (Routine)
Rocky Ford 2 SE	United States	Record high maximum temperature	36.1 C (97.0 F)	22 of 100 (Routine)
Rocky Ford 2 SE	United States	Record high minimum temperature	19.4 C (66.9 F)	22 of 100 (Routine)
Corning	United States	Record high maximum temperature	35.0 C (95.0 F)	22 of 100 (Routine)
Ashland	United States	Record low minimum temperature	1.7 C (35.1 F)	22 of 100 (Routine)
New London	United States	Record high maximum temperature	35.0 C (95.0 F)	21 of 100 (Routine)
Santa Fe	United States	Record high maximum temperature	28.9 C (84.0 F)	21 of 100 (Routine)
Salem AP (McNary Field)	United States	Record high minimum temperature	13.9 C (57.0 F)	21 of 100 (Routine)
Austin #2	United States	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
The Dalles	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Ukiah	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Lakeview 2 NNW	United States	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Hollister 1 SW	United States	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Laramie	United States	Record high maximum temperature	26.1 C (79.0 F)	20 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record high maximum temperature	33.3 C (91.9 F)	19 of 100 (Routine)
Santee	United States	Record high maximum temperature	37.2 C (99.0 F)	19 of 100 (Routine)
Grafton 1 NE	United States	Record low minimum temperature	0.0 C (32.0 F)	19 of 100 (Routine)
Lusk 2 SW	United States	Record high maximum temperature	31.7 C (89.1 F)	19 of 100 (Routine)
Gulgong Post Office	Australia	Record daily precipitation	1.8 mm (0.07 in)	18 of 100 (Routine)
Scottsbluff W B Heilig Fld AP	United States	Record high maximum temperature	35.6 C (96.1 F)	18 of 100 (Routine)
Quirindi Post Office	Australia	Record daily precipitation	2.0 mm (0.08 in)	17 of 100 (Routine)
Swift Current	Canada	Record high maximum temperature	30.0 C (86.0 F)	17 of 100 (Routine)
Bisbee	United States	Record high maximum temperature	37.2 C (99.0 F)	17 of 100 (Routine)
Pocahontas 1	United States	Record low minimum temperature	6.1 C (43.0 F)	17 of 100 (Routine)
Meeker	United States	Record high maximum temperature	30.6 C (87.1 F)	17 of 100 (Routine)
Garden City	United States	Record high maximum temperature	38.3 C (100.9 F)	17 of 100 (Routine)
Plain Dealing	United States	Record low minimum temperature	7.8 C (46.0 F)	17 of 100 (Routine)
Oakdale	United States	Record high maximum temperature	35.6 C (96.1 F)	17 of 100 (Routine)
Tekamah	United States	Record high maximum temperature	35.6 C (96.1 F)	17 of 100 (Routine)
Las Vegas 2 NW	United States	Record high maximum temperature	30.6 C (87.1 F)	17 of 100 (Routine)
Henderson 2 NNW	United States	Record low minimum temperature	7.8 C (46.0 F)	17 of 100 (Routine)
Dayville	United States	Record high minimum temperature	13.3 C (55.9 F)	17 of 100 (Routine)
Turkestan	Kazakhstan	Record daily precipitation	3.6 mm (0.14 in)	16 of 100 (Routine)
Bjuraker	Sweden	Record high minimum temperature	11.0 C (51.8 F)	16 of 100 (Routine)
Minneapolis	United States	Record high maximum temperature	35.6 C (96.1 F)	16 of 100 (Routine)
Two Harbors	United States	Record high maximum temperature	32.2 C (90.0 F)	16 of 100 (Routine)
Genoa 2 W	United States	Record high maximum temperature	35.6 C (96.1 F)	16 of 100 (Routine)
Imperial	United States	Record high maximum temperature	33.3 C (91.9 F)	16 of 100 (Routine)
Ravenna	United States	Record high maximum temperature	36.7 C (98.1 F)	16 of 100 (Routine)
Los Lunas	United States	Record high maximum temperature	35.0 C (95.0 F)	16 of 100 (Routine)
Ashland	United States	Record daily precipitation	16.5 mm (0.6 in)	16 of 100 (Routine)
Rocky Mt	United States	Record low minimum temperature	4.4 C (39.9 F)	16 of 100 (Routine)
Waterville	United States	Record high minimum temperature	13.3 C (55.9 F)	16 of 100 (Routine)
Barkerville	Canada	Record high minimum temperature	6.1 C (43.0 F)	15 of 100 (Routine)
Hollister 1 SW	United States	Record high minimum temperature	13.3 C (55.9 F)	15 of 100 (Routine)
Rio Vista	United States	Record daily precipitation	13.2 mm (0.5 in)	15 of 100 (Routine)
Stockton 2	United States	Record daily precipitation	18.3 mm (0.7 in)	15 of 100 (Routine)
Estherville 4E	United States	Record high maximum temperature	33.9 C (93.0 F)	15 of 100 (Routine)
Macksville 8 NNE	United States	Record high maximum temperature	36.7 C (98.1 F)	15 of 100 (Routine)
Worthington	United States	Record high maximum temperature	35.0 C (95.0 F)	15 of 100 (Routine)
Miles City	United States	Record high minimum temperature	15.6 C (60.1 F)	15 of 100 (Routine)
Broken Bow 2 W	United States	Record high maximum temperature	33.9 C (93.0 F)	15 of 100 (Routine)
Hartington	United States	Record high maximum temperature	34.4 C (93.9 F)	15 of 100 (Routine)

Counts by Type and Timescale

251 records

Records set or tied on 20 May 1925 by type: Highest daily maximum 141, Lowest daily maximum 5, Highest daily minimum 49, Lowest daily minimum 32, Heaviest daily rainfall 24.

Records on 20 May 1925 by type
Record type	Records
Highest daily maximum	141
Lowest daily maximum	5
Highest daily minimum	49
Lowest daily minimum	32
Heaviest daily rainfall	24
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 May 1925 by timescale: all-time 0, monthly 22, daily 229.

How Much Records Were Beaten By

201 broken records

Margins by which the 201 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 21.9. Ties are not counted.

Top 20 by Significance

20 May 1925

Top 20 records on 20 May 1925 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 May 1925	Hood Rvr Exp STN, US	daily rain	27.7 mm (1.1 in)	21.9 mm (0.9 in)	7 years	45 of 100 (Notable)
20 May 1925	Ft Bidwell, US	daily rain	25.1 mm (1.0 in)	5.5 mm (0.22 in)	54 years	29 of 100 (Routine)
20 May 1925	Cascade Locks, US	daily rain	27.9 mm (1.1 in)	15.7 mm (0.6 in)	20 years	29 of 100 (Routine)
20 May 1925	Chaplin, CA	daily high min	16.7 C (62.1 F)	8.4 C (15.1 F)	24 years	28 of 100 (Routine)
20 May 1925	Howard, US	monthly high max	36.7 C (98.1 F)	1.7 C (3.1 F)	31 years	24 of 100 (Routine)
20 May 1925	Ilulissat (Jakobshavn), GL	daily high max	13.4 C (56.1 F)	1.7 C (3.1 F)	47 years	23 of 100 (Routine)
20 May 1925	Lamar, US	monthly high max	39.4 C (102.9 F)	1.6 C (2.9 F)	29 years	23 of 100 (Routine)
20 May 1925	Santa Fe, US	daily high min	15.0 C (59.0 F)	2.8 C (5.0 F)	38 years	23 of 100 (Routine)
20 May 1925	Rocky Ford 2 SE, US	monthly high max	36.1 C (97.0 F)	0.5 C (0.9 F)	30 years	22 of 100 (Routine)
20 May 1925	Rocky Ford 2 SE, US	monthly high min	19.4 C (66.9 F)	0.5 C (0.9 F)	29 years	22 of 100 (Routine)
20 May 1925	Corning, US	monthly high max	35.0 C (95.0 F)	0.6 C (1.1 F)	29 years	22 of 100 (Routine)
20 May 1925	Ashland, US	daily low min	1.7 C (35.1 F)	5.5 C (9.9 F)	25 years	22 of 100 (Routine)
20 May 1925	New London, US	monthly high max	35.0 C (95.0 F)	1.1 C (2.0 F)	24 years	21 of 100 (Routine)
20 May 1925	Santa Fe, US	daily high max	28.9 C (84.0 F)	0.6 C (1.1 F)	50 years	21 of 100 (Routine)
20 May 1925	Salem AP (McNary Field), US	daily high min	13.9 C (57.0 F)	2.8 C (5.0 F)	27 years	21 of 100 (Routine)
20 May 1925	Austin #2, US	daily rain	24.9 mm (1.0 in)	17.3 mm (0.7 in)	8 years	20 of 100 (Routine)
20 May 1925	The Dalles, US	monthly rain	23.6 mm (0.9 in)	4.5 mm (0.18 in)	15 years	20 of 100 (Routine)
20 May 1925	Ukiah, US	daily rain	24.1 mm (0.9 in)	14.2 mm (0.6 in)	12 years	20 of 100 (Routine)
20 May 1925	Lakeview 2 NNW, US	monthly rain	23.9 mm (0.9 in)	2.1 mm (0.08 in)	30 years	20 of 100 (Routine)
20 May 1925	Hollister 1 SW, US	daily rain	16.0 mm (0.6 in)	10.2 mm (0.4 in)	4 years	20 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

1802 to 1925

Records set or tied on this calendar date in each year from 1802 to 1925. 1925 had 251 records.

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

Records on 05-20 in each year
Year	Records
1802	1
1803	1
1804	1
1815	1
1825	1
1837	1
1844	1
1845	3
1847	1
1854	1
1858	3
1861	1
1862	1
1865	1
1867	1
1868	2
1870	3
1871	2
1876	2
1877	3
1879	1
1880	2
1884	2
1885	1
1887	2
1889	3
1890	3
1891	5
1892	3
1893	1
1894	6
1895	3
1896	3
1897	3
1898	4
1899	4
1900	1
1901	5
1902	11
1903	19
1904	4
1905	4
1906	22
1907	35
1908	23
1909	10
1910	20
1911	82
1912	20
1913	10
1914	16
1915	42
1916	29
1917	46
1918	92
1919	56
1920	44
1921	234
1922	40
1923	125
1924	189
1925	251
1926	128
1927	118
1928	138
1929	323
1930	129
1931	451
1932	689
1933	449
1934	582
1935	259
1936	207
1937	270
1938	331
1939	266
1940	337
1941	378
1942	337
1943	802
1944	315
1945	498
1946	339
1947	358
1948	514
1949	586
1950	327
1951	288
1952	615
1953	518
1954	822
1955	421
1956	565
1957	728
1958	378
1959	785
1960	612
1961	333
1962	773
1963	732
1964	517
1965	200
1966	416
1967	587
1968	743
1969	885
1970	310
1971	653
1972	612
1973	419
1974	893
1975	1,332
1976	837
1977	553
1978	534
1979	683
1980	751
1981	1,540
1982	554
1983	1,307
1984	867
1985	426
1986	790
1987	1,036
1988	805
1989	764
1990	722
1991	925
1992	1,200
1993	1,208
1994	778
1995	734
1996	1,749
1997	1,106
1998	1,124
1999	673
2000	991
2001	847
2002	2,299
2003	1,201
2004	746
2005	929
2006	1,006
2007	565
2008	999
2009	1,529
2010	1,011
2011	1,117
2012	604
2013	919
2014	629
2015	1,001
2016	692
2017	1,214
2018	460
2019	1,483
2020	784
2021	904
2022	1,643
2023	1,106
2024	478
2025	969
2026	696

Download the Data

Data for records on 1925-05-20: 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 5	177
5 to 10	19
10 to 15	2
15 to 20	2
20 to 25	1