Weather Records on 20 July 1929

480 weather records were set or tied worldwide on 20 July 1929. Highest significance: Federal Pt, US.

Key Facts for 20 July 1929

On 20 July 1929, 480 weather records were set or tied at long-record stations worldwide.
30 were record highs and 425 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 34 monthly and 445 daily.
Federal Pt set a daily record precipitation of 78.2 mm (3.1 in) on 20 July 1929.
Across 161 earlier years (1809 to 2026) the same calendar date averaged 459 records.

Record Map

480 stations

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

Weather records on 20 July 1929: highest significance records shown on the map
Station	Country	Type	Value	Significance
Federal Pt	United States	Record daily precipitation	78.2 mm (3.1 in)	46 of 100 (Notable)
Robertson	South Africa	Record daily precipitation	47.0 mm (1.9 in)	39 of 100 (Notable)
Brooksville Chin Hill	United States	Record daily precipitation	167.4 mm (6.6 in)	36 of 100 (Notable)
Taos	United States	Record daily precipitation	26.9 mm (1.1 in)	35 of 100 (Notable)
Astana	Kazakhstan	Record high minimum temperature	21.9 C (71.4 F)	32 of 100 (Routine)
Bathurst Gaol	Australia	Record low minimum temperature	-6.1 C (21.0 F)	27 of 100 (Routine)
St Augustine	United States	Record daily precipitation	50.3 mm (2.0 in)	26 of 100 (Routine)
State College	United States	Record low minimum temperature	4.4 C (39.9 F)	26 of 100 (Routine)
Calgary Int'l A	Canada	Record high minimum temperature	15.6 C (60.1 F)	25 of 100 (Routine)
Kingstree	United States	Record low maximum temperature	22.8 C (73.0 F)	25 of 100 (Routine)
Atlantic City Marina	United States	Record low maximum temperature	20.0 C (68.0 F)	25 of 100 (Routine)
Bloomfield	Canada	Record low minimum temperature	3.3 C (37.9 F)	24 of 100 (Routine)
Anticosti Heath Point	Canada	Record daily precipitation	27.4 mm (1.1 in)	24 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high maximum temperature	36.7 C (98.1 F)	24 of 100 (Routine)
Findlay Wpcc	United States	Record low minimum temperature	6.1 C (43.0 F)	24 of 100 (Routine)
Huntingdon	United States	Record low minimum temperature	2.8 C (37.0 F)	24 of 100 (Routine)
Florence #1	United States	Record low maximum temperature	22.2 C (72.0 F)	24 of 100 (Routine)
Hiram	United States	Record low minimum temperature	6.1 C (43.0 F)	23 of 100 (Routine)
New Bremen	United States	Record low minimum temperature	4.4 C (39.9 F)	23 of 100 (Routine)
Williamsport	United States	Record low minimum temperature	6.1 C (43.0 F)	23 of 100 (Routine)
Gunnedah Pool	Australia	Record low minimum temperature	-5.6 C (21.9 F)	22 of 100 (Routine)
Welland	Canada	Record low minimum temperature	7.8 C (46.0 F)	22 of 100 (Routine)
Odesa	Ukraine	Record low minimum temperature	9.7 C (49.5 F)	22 of 100 (Routine)
Bartow 1SE	United States	Record low maximum temperature	28.9 C (84.0 F)	22 of 100 (Routine)
Ft Gaines	United States	Record daily precipitation	69.9 mm (2.8 in)	22 of 100 (Routine)
Greenville	United States	Record low minimum temperature	10.6 C (51.1 F)	22 of 100 (Routine)
Barkerville	Canada	Record daily precipitation	36.1 mm (1.4 in)	21 of 100 (Routine)
Tampa	United States	Record daily precipitation	79.2 mm (3.1 in)	21 of 100 (Routine)
Frederick Police Brks	United States	Record low minimum temperature	8.9 C (48.0 F)	21 of 100 (Routine)
Moncure 3 SE	United States	Record low maximum temperature	22.2 C (72.0 F)	21 of 100 (Routine)
Grants Pass	United States	Record low minimum temperature	2.8 C (37.0 F)	21 of 100 (Routine)
Altoona Horseshoe Curv	United States	Record low minimum temperature	3.3 C (37.9 F)	21 of 100 (Routine)
Lexington Bluegrass AP	United States	Record low minimum temperature	11.1 C (52.0 F)	21 of 100 (Routine)
Olympia Priest Pt Park	United States	Record daily precipitation	5.6 mm (0.22 in)	20 of 100 (Routine)
Astoria	United States	Record daily precipitation	12.4 mm (0.5 in)	20 of 100 (Routine)
New Westminster	Canada	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Brandon Cda	Canada	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Inverell Comparison	Australia	Record low minimum temperature	-7.8 C (18.0 F)	20 of 100 (Routine)
London South	Canada	Record low minimum temperature	5.6 C (42.1 F)	20 of 100 (Routine)
Milford 2 SE	United States	Record low maximum temperature	21.1 C (70.0 F)	20 of 100 (Routine)
Springer	United States	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Chapel Hill 2 W	United States	Record low maximum temperature	22.2 C (72.0 F)	20 of 100 (Routine)
Henderson 2 NNW	United States	Record low maximum temperature	21.1 C (70.0 F)	20 of 100 (Routine)
Beaufort Wwtp	United States	Record low minimum temperature	16.1 C (61.0 F)	20 of 100 (Routine)
Burlington	United States	Record low minimum temperature	6.1 C (43.0 F)	20 of 100 (Routine)
Steveston	Canada	Record daily precipitation	6.4 mm (0.25 in)	19 of 100 (Routine)
Federal Pt	United States	Record low minimum temperature	19.4 C (66.9 F)	19 of 100 (Routine)
Mauzy	United States	Record low minimum temperature	6.1 C (43.0 F)	19 of 100 (Routine)
Rockville	United States	Record low minimum temperature	9.4 C (48.9 F)	19 of 100 (Routine)
E Tawas	United States	Record low minimum temperature	0.6 C (33.1 F)	19 of 100 (Routine)
Ashland	United States	Record low minimum temperature	4.4 C (39.9 F)	19 of 100 (Routine)
Centre Hall	United States	Record low minimum temperature	2.2 C (36.0 F)	19 of 100 (Routine)
St Louis Eads Brg	United States	Record low minimum temperature	14.4 C (57.9 F)	19 of 100 (Routine)
Adrian 2 NNE	United States	Record low minimum temperature	6.7 C (44.1 F)	18 of 100 (Routine)
Coldwater St School	United States	Record low minimum temperature	6.1 C (43.0 F)	18 of 100 (Routine)
Hemlock	United States	Record low minimum temperature	7.2 C (45.0 F)	18 of 100 (Routine)
Wilmington Wb City	United States	Record low maximum temperature	22.2 C (72.0 F)	18 of 100 (Routine)
Beaufort Wwtp	United States	Record low maximum temperature	26.1 C (79.0 F)	18 of 100 (Routine)
Lynchburg - Coop	United States	Record low maximum temperature	22.8 C (73.0 F)	18 of 100 (Routine)
Guelph Oac	Canada	Record low minimum temperature	4.4 C (39.9 F)	17 of 100 (Routine)

Counts by Type and Timescale

480 records

Records set or tied on 20 July 1929 by type: Highest daily maximum 18, Lowest daily maximum 131, Highest daily minimum 12, Lowest daily minimum 294, Heaviest daily rainfall 25.

Records on 20 July 1929 by type
Record type	Records
Highest daily maximum	18
Lowest daily maximum	131
Highest daily minimum	12
Lowest daily minimum	294
Heaviest daily rainfall	25
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 July 1929 by timescale: all-time 1, monthly 34, daily 445.

How Much Records Were Beaten By

374 broken records

Margins by which the 374 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 60.2. Ties are not counted.

Top 20 by Significance

20 July 1929

Top 20 records on 20 July 1929 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 July 1929	Federal Pt, US	daily rain	78.2 mm (3.1 in)	60.2 mm (2.4 in)	10 years	46 of 100 (Notable)
20 July 1929	Robertson, ZA	monthly rain	47.0 mm (1.9 in)	11.9 mm (0.5 in)	21 years	39 of 100 (Notable)
20 July 1929	Brooksville Chin Hill, US	monthly rain	167.4 mm (6.6 in)	26.2 mm (1.0 in)	32 years	36 of 100 (Notable)
20 July 1929	Taos, US	daily rain	26.9 mm (1.1 in)	15.7 mm (0.6 in)	20 years	35 of 100 (Notable)
20 July 1929	Astana, KZ	all-time high min	21.9 C (71.4 F)	0.1 C (0.2 F)	29 years	32 of 100 (Routine)
20 July 1929	Bathurst Gaol, AU	daily low min	-6.1 C (21.0 F)	0.5 C (0.9 F)	65 years	27 of 100 (Routine)
20 July 1929	St Augustine, US	daily rain	50.3 mm (2.0 in)	27.4 mm (1.1 in)	16 years	26 of 100 (Routine)
20 July 1929	State College, US	monthly low min	4.4 C (39.9 F)	0.6 C (1.1 F)	38 years	26 of 100 (Routine)
20 July 1929	Calgary Int'l A, CA	daily high min	15.6 C (60.1 F)	2.8 C (5.0 F)	40 years	25 of 100 (Routine)
20 July 1929	Kingstree, US	monthly low max	22.8 C (73.0 F)	1.6 C (2.9 F)	21 years	25 of 100 (Routine)
20 July 1929	Atlantic City Marina, US	daily low max	20.0 C (68.0 F)	1.7 C (3.1 F)	51 years	25 of 100 (Routine)
20 July 1929	Bloomfield, CA	daily low min	3.3 C (37.9 F)	6.1 C (11.0 F)	15 years	24 of 100 (Routine)
20 July 1929	Anticosti Heath Point, CA	daily rain	27.4 mm (1.1 in)	16.5 mm (0.6 in)	8 years	24 of 100 (Routine)
20 July 1929	Heinersreuth-Vollhof, DE	daily high max	36.7 C (98.1 F)	2.7 C (4.9 F)	47 years	24 of 100 (Routine)
20 July 1929	Findlay Wpcc, US	monthly low min	6.1 C (43.0 F)	0.6 C (1.1 F)	33 years	24 of 100 (Routine)
20 July 1929	Huntingdon, US	monthly low min	2.8 C (37.0 F)	1.1 C (2.0 F)	31 years	24 of 100 (Routine)
20 July 1929	Florence #1, US	monthly low max	22.2 C (72.0 F)	0.6 C (1.1 F)	31 years	24 of 100 (Routine)
20 July 1929	Hiram, US	daily low min	6.1 C (43.0 F)	5.0 C (9.0 F)	20 years	23 of 100 (Routine)
20 July 1929	New Bremen, US	daily low min	4.4 C (39.9 F)	5.6 C (10.1 F)	20 years	23 of 100 (Routine)
20 July 1929	Williamsport, US	monthly low min	6.1 C (43.0 F)	1.7 C (3.1 F)	20 years	23 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

1809 to 1929

Records set or tied on this calendar date in each year from 1809 to 1929. 1929 had 480 records.

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

Records on 07-20 in each year
Year	Records
1809	1
1810	1
1811	2
1832	2
1844	2
1850	1
1859	2
1863	1
1865	4
1866	1
1867	1
1868	1
1870	1
1872	1
1874	2
1876	1
1877	2
1879	3
1880	1
1881	2
1882	1
1883	2
1885	1
1886	2
1887	1
1888	1
1889	2
1890	5
1892	7
1893	1
1894	1
1895	1
1897	4
1898	2
1899	4
1900	9
1901	3
1902	13
1903	6
1904	10
1905	6
1906	8
1907	12
1908	31
1909	6
1910	27
1911	12
1912	33
1913	28
1914	20
1915	163
1916	117
1917	57
1918	53
1919	40
1920	16
1921	55
1922	52
1923	173
1924	112
1925	125
1926	411
1927	106
1928	366
1929	480
1930	598
1931	362
1932	338
1933	201
1934	857
1935	386
1936	358
1937	213
1938	392
1939	336
1940	325
1941	270
1942	609
1943	326
1944	470
1945	278
1946	482
1947	635
1948	385
1949	807
1950	563
1951	448
1952	488
1953	316
1954	512
1955	377
1956	545
1957	351
1958	536
1959	605
1960	758
1961	338
1962	327
1963	457
1964	416
1965	1,110
1966	469
1967	455
1968	389
1969	649
1970	890
1971	619
1972	1,062
1973	804
1974	489
1975	470
1976	580
1977	899
1978	663
1979	1,249
1980	925
1981	1,048
1982	580
1983	1,117
1984	799
1985	604
1986	848
1987	1,156
1988	1,103
1989	1,183
1990	724
1991	1,024
1992	1,137
1993	901
1994	611
1995	961
1996	1,365
1997	903
1998	1,682
1999	815
2000	1,393
2001	755
2002	986
2003	1,313
2004	978
2005	1,266
2006	1,487
2007	1,124
2008	663
2009	1,533
2010	1,154
2011	1,339
2012	817
2013	850
2014	1,000
2015	812
2016	744
2017	398
2018	930
2019	867
2020	524
2021	683
2022	1,108
2023	812
2024	737
2025	680
2026	863

Download the Data

Data for records on 1929-07-20: 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	362
10 to 20	7
20 to 30	4
30 to 40	0
40 to 50	0
50 to 60	0
60 to 70	1