Weather Records on 20 May 1929

323 weather records were set or tied worldwide on 20 May 1929. Highest significance: Scotland Neck, US.

Key Facts for 20 May 1929

On 20 May 1929, 323 weather records were set or tied at long-record stations worldwide.
16 were record highs and 253 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 322 daily.
Scotland Neck set a daily record precipitation of 43.2 mm (1.7 in) on 20 May 1929.
Across 162 earlier years (1802 to 2026) the same calendar date averaged 456 records.

Record Map

323 stations

323 station records on 20 May 1929 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 May 1929: highest significance records shown on the map
Station	Country	Type	Value	Significance
Scotland Neck	United States	Record daily precipitation	43.2 mm (1.7 in)	38 of 100 (Notable)
Charlottetown	Canada	Record daily snowfall	7.6 cm (3.0 in)	37 of 100 (Notable)
W Pt	United States	Record daily precipitation	105.4 mm (4.1 in)	34 of 100 (Routine)
Edenton	United States	Record daily precipitation	58.4 mm (2.3 in)	34 of 100 (Routine)
Darlington	United States	Record daily precipitation	48.3 mm (1.9 in)	33 of 100 (Routine)
Newnan 7 WNW	United States	Record daily precipitation	50.8 mm (2.0 in)	29 of 100 (Routine)
Chapel Hill 2 W	United States	Record daily precipitation	46.7 mm (1.8 in)	28 of 100 (Routine)
Raleigh State UNIV	United States	Record daily precipitation	37.8 mm (1.5 in)	28 of 100 (Routine)
Melville	United States	Record low minimum temperature	-10.0 C (14.0 F)	28 of 100 (Routine)
Washington	United States	Record low maximum temperature	13.9 C (57.0 F)	27 of 100 (Routine)
Bluff City	United States	Record daily precipitation	31.5 mm (1.2 in)	26 of 100 (Routine)
Baltimore Customs House	United States	Record low maximum temperature	12.2 C (54.0 F)	26 of 100 (Routine)
Henderson 2 NNW	United States	Record daily precipitation	31.2 mm (1.2 in)	25 of 100 (Routine)
Spencer	United States	Record daily precipitation	38.6 mm (1.5 in)	24 of 100 (Routine)
Ocala	United States	Record daily precipitation	48.3 mm (1.9 in)	22 of 100 (Routine)
Leakesville 6 WSW	United States	Record low maximum temperature	20.6 C (69.1 F)	22 of 100 (Routine)
Pointe Au Pere	Canada	Record low minimum temperature	-2.2 C (28.0 F)	21 of 100 (Routine)
Berlin-Dahlem	Germany	Record low minimum temperature	1.0 C (33.8 F)	21 of 100 (Routine)
Westernport	United States	Record low maximum temperature	11.1 C (52.0 F)	21 of 100 (Routine)
Socorro	United States	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Bosque del Apache	United States	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Sydney	Canada	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Fredericton Unb	Canada	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Princess Anne	United States	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Lake Konomoc	United States	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
New Smyrna Beach	United States	Record daily precipitation	32.5 mm (1.3 in)	20 of 100 (Routine)
Cape May 2 NW	United States	Record daily precipitation	13.2 mm (0.5 in)	20 of 100 (Routine)
Lexington	United States	Record low maximum temperature	11.7 C (53.1 F)	20 of 100 (Routine)
Upper Tract	United States	Record daily precipitation	31.8 mm (1.3 in)	20 of 100 (Routine)
Philadelphia City	United States	Record low minimum temperature	7.8 C (46.0 F)	20 of 100 (Routine)
Clifton	United States	Record daily precipitation	10.7 mm (0.4 in)	19 of 100 (Routine)
Framingham	United States	Record daily precipitation	23.6 mm (0.9 in)	19 of 100 (Routine)
Hohenwald	United States	Record low maximum temperature	17.2 C (63.0 F)	19 of 100 (Routine)
Murfreesboro 5 N	United States	Record low maximum temperature	16.7 C (62.1 F)	19 of 100 (Routine)
Guelph Oac	Canada	Record low minimum temperature	-1.1 C (30.0 F)	18 of 100 (Routine)
Hornindal	Norway	Record daily precipitation	18.0 mm (0.7 in)	18 of 100 (Routine)
Gadsden	United States	Record daily precipitation	49.0 mm (1.9 in)	18 of 100 (Routine)
New Burnside	United States	Record low minimum temperature	1.1 C (34.0 F)	18 of 100 (Routine)
Great Falls	United States	Record low maximum temperature	14.4 C (57.9 F)	18 of 100 (Routine)
Salisbury	United States	Record low maximum temperature	13.9 C (57.0 F)	18 of 100 (Routine)
Hiram	United States	Record low minimum temperature	-1.1 C (30.0 F)	18 of 100 (Routine)
Quakertown	United States	Record low maximum temperature	11.7 C (53.1 F)	18 of 100 (Routine)
Waynesboro	United States	Record low maximum temperature	16.7 C (62.1 F)	18 of 100 (Routine)
Welland	Canada	Record low minimum temperature	-0.6 C (30.9 F)	17 of 100 (Routine)
Sable Island	Canada	Record low minimum temperature	1.1 C (34.0 F)	17 of 100 (Routine)
Plauen	Germany	Record low minimum temperature	-2.2 C (28.0 F)	17 of 100 (Routine)
Amite	United States	Record low maximum temperature	22.8 C (73.0 F)	17 of 100 (Routine)
Laurel 3 W	United States	Record low maximum temperature	13.9 C (57.0 F)	17 of 100 (Routine)
Lake Cochituate	United States	Record low maximum temperature	11.1 C (52.0 F)	17 of 100 (Routine)
Harrisburg - Coop	United States	Record low maximum temperature	13.9 C (57.0 F)	17 of 100 (Routine)
Huntingdon	United States	Record low maximum temperature	14.4 C (57.9 F)	17 of 100 (Routine)
State College	United States	Record low minimum temperature	1.1 C (34.0 F)	17 of 100 (Routine)
Radford	United States	Record daily precipitation	20.3 mm (0.8 in)	17 of 100 (Routine)
New London	United States	Record low maximum temperature	11.7 C (53.1 F)	16 of 100 (Routine)
Covington 8 WNW	United States	Record low maximum temperature	21.7 C (71.1 F)	16 of 100 (Routine)
Donaldsonville 4 SW	United States	Record low maximum temperature	23.9 C (75.0 F)	16 of 100 (Routine)
Cape May 2 NW	United States	Record low maximum temperature	11.7 C (53.1 F)	16 of 100 (Routine)
Hamburg	United States	Record low maximum temperature	13.9 C (57.0 F)	16 of 100 (Routine)
Moorefield 1 SSE	United States	Record daily precipitation	15.2 mm (0.6 in)	16 of 100 (Routine)
Philippi	United States	Record low maximum temperature	12.2 C (54.0 F)	16 of 100 (Routine)

Counts by Type and Timescale

323 records

Records set or tied on 20 May 1929 by type: Highest daily maximum 5, Lowest daily maximum 106, Highest daily minimum 11, Lowest daily minimum 147, Heaviest daily rainfall 51, Heaviest daily snowfall 3.

Records on 20 May 1929 by type
Record type	Records
Highest daily maximum	5
Lowest daily maximum	106
Highest daily minimum	11
Lowest daily minimum	147
Heaviest daily rainfall	51
Heaviest daily snowfall	3
Deepest snow cover	0

Records on 20 May 1929 by timescale: all-time 0, monthly 1, daily 322.

How Much Records Were Beaten By

250 broken records

Margins by which the 250 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.0. Ties are not counted.

Top 20 by Significance

20 May 1929

Top 20 records on 20 May 1929 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 May 1929	Scotland Neck, US	daily rain	43.2 mm (1.7 in)	34.8 mm (1.4 in)	20 years	38 of 100 (Notable)
20 May 1929	Charlottetown, CA	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	56 years	37 of 100 (Notable)
20 May 1929	W Pt, US	monthly rain	105.4 mm (4.1 in)	23.6 mm (0.9 in)	26 years	34 of 100 (Routine)
20 May 1929	Edenton, US	daily rain	58.4 mm (2.3 in)	31.7 mm (1.2 in)	32 years	34 of 100 (Routine)
20 May 1929	Darlington, US	daily rain	48.3 mm (1.9 in)	36.9 mm (1.5 in)	20 years	33 of 100 (Routine)
20 May 1929	Newnan 7 WNW, US	daily rain	50.8 mm (2.0 in)	24.1 mm (0.9 in)	28 years	29 of 100 (Routine)
20 May 1929	Chapel Hill 2 W, US	daily rain	46.7 mm (1.8 in)	23.3 mm (0.9 in)	28 years	28 of 100 (Routine)
20 May 1929	Raleigh State UNIV, US	daily rain	37.8 mm (1.5 in)	20.3 mm (0.8 in)	28 years	28 of 100 (Routine)
20 May 1929	Melville, US	daily low min	-10.0 C (14.0 F)	9.4 C (16.9 F)	29 years	28 of 100 (Routine)
20 May 1929	Washington, US	daily low max	13.9 C (57.0 F)	2.2 C (4.0 F)	55 years	27 of 100 (Routine)
20 May 1929	Bluff City, US	daily rain	31.5 mm (1.2 in)	16.8 mm (0.7 in)	20 years	26 of 100 (Routine)
20 May 1929	Baltimore Customs House, US	daily low max	12.2 C (54.0 F)	2.8 C (5.0 F)	55 years	26 of 100 (Routine)
20 May 1929	Henderson 2 NNW, US	daily rain	31.2 mm (1.2 in)	17.7 mm (0.7 in)	20 years	25 of 100 (Routine)
20 May 1929	Spencer, US	daily rain	38.6 mm (1.5 in)	17.0 mm (0.7 in)	10 years	24 of 100 (Routine)
20 May 1929	Ocala, US	daily rain	48.3 mm (1.9 in)	22.9 mm (0.9 in)	16 years	22 of 100 (Routine)
20 May 1929	Leakesville 6 WSW, US	daily low max	20.6 C (69.1 F)	3.3 C (5.9 F)	34 years	22 of 100 (Routine)
20 May 1929	Pointe Au Pere, CA	daily low min	-2.2 C (28.0 F)	1.6 C (2.9 F)	36 years	21 of 100 (Routine)
20 May 1929	Berlin-Dahlem, DE	daily low min	1.0 C (33.8 F)	1.1 C (2.0 F)	46 years	21 of 100 (Routine)
20 May 1929	Westernport, US	daily low max	11.1 C (52.0 F)	4.5 C (8.1 F)	33 years	21 of 100 (Routine)
20 May 1929	Socorro, US	daily rain	18.3 mm (0.7 in)	15.8 mm (0.6 in)	10 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 1929

Records set or tied on this calendar date in each year from 1802 to 1929. 1929 had 323 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 1929-05-20: 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 2026-10-17 (17 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 10	225
10 to 20	12
20 to 30	9
30 to 40	3
40 to 50	0
50 to 60	0
60 to 70	0
70 to 80	1