Weather Records on 18 July 1929

123 weather records were set or tied worldwide on 18 July 1929. Highest significance: Woodville 4 ESE, US.

Key Facts for 18 July 1929

On 18 July 1929, 123 weather records were set or tied at long-record stations worldwide.
36 were record highs and 44 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 121 daily.
Woodville 4 ESE set a monthly record daily precipitation of 174.0 mm (6.9 in) on 18 July 1929.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 464 records.

Record Map

123 stations

123 station records on 18 July 1929 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 July 1929: highest significance records shown on the map
Station	Country	Type	Value	Significance
Woodville 4 ESE	United States	Record daily precipitation	174.0 mm (6.9 in)	58 of 100 (Notable)
Welland	Canada	Record daily precipitation	95.3 mm (3.8 in)	47 of 100 (Notable)
Bay Saint Louis	United States	Record daily precipitation	104.1 mm (4.1 in)	47 of 100 (Notable)
Mohonk Lake	United States	Record daily precipitation	53.3 mm (2.1 in)	32 of 100 (Routine)
Elmira	United States	Record daily precipitation	47.0 mm (1.9 in)	30 of 100 (Routine)
Summerville 4W	United States	Record low minimum temperature	16.7 C (62.1 F)	28 of 100 (Routine)
Hvar	Croatia	Record low minimum temperature	16.0 C (60.8 F)	24 of 100 (Routine)
Ithaca Cornell UNIV	United States	Record daily precipitation	30.7 mm (1.2 in)	24 of 100 (Routine)
Clontarf	Canada	Record daily precipitation	30.2 mm (1.2 in)	23 of 100 (Routine)
Bic	Canada	Record daily precipitation	26.7 mm (1.1 in)	23 of 100 (Routine)
Tranebjerg	Denmark	Record low minimum temperature	7.0 C (44.6 F)	23 of 100 (Routine)
Sussex 1 NW	United States	Record daily precipitation	51.1 mm (2.0 in)	22 of 100 (Routine)
Addison	United States	Record daily precipitation	38.1 mm (1.5 in)	22 of 100 (Routine)
Tallahassee	United States	Record low minimum temperature	19.4 C (66.9 F)	21 of 100 (Routine)
Lakin	United States	Record daily precipitation	25.9 mm (1.0 in)	21 of 100 (Routine)
Macksville 8 NNE	United States	Record daily precipitation	37.8 mm (1.5 in)	21 of 100 (Routine)
Port Jervis	United States	Record daily precipitation	33.5 mm (1.3 in)	21 of 100 (Routine)
Montrose #2	United States	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Newton	United States	Record daily precipitation	35.1 mm (1.4 in)	20 of 100 (Routine)
Cobar Post Office	Australia	Record low minimum temperature	-2.8 C (27.0 F)	19 of 100 (Routine)
Yuma	United States	Record daily precipitation	31.8 mm (1.3 in)	19 of 100 (Routine)
Oakley	United States	Record daily precipitation	13.5 mm (0.5 in)	19 of 100 (Routine)
Calhoun 2 N	United States	Record daily precipitation	41.7 mm (1.6 in)	18 of 100 (Routine)
Los Lunas	United States	Record daily precipitation	27.9 mm (1.1 in)	18 of 100 (Routine)
Clarksville Wwtp	United States	Record high minimum temperature	25.6 C (78.1 F)	18 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record low minimum temperature	2.9 C (37.2 F)	17 of 100 (Routine)
Garden City	United States	Record daily precipitation	17.3 mm (0.7 in)	17 of 100 (Routine)
Ft Myers Page Fld AP	United States	Record low maximum temperature	27.8 C (82.0 F)	17 of 100 (Routine)
Medicine Hat A	Canada	Record high maximum temperature	38.9 C (102.0 F)	16 of 100 (Routine)
Troicko-Pecherskoe	Russia	Record high minimum temperature	16.7 C (62.1 F)	16 of 100 (Routine)
Halmstad	Sweden	Record low minimum temperature	8.0 C (46.4 F)	16 of 100 (Routine)
Skara 1	Sweden	Record low minimum temperature	5.5 C (41.9 F)	16 of 100 (Routine)
Gunnison 3SW	United States	Record low maximum temperature	16.1 C (61.0 F)	16 of 100 (Routine)
Quitman 2 NW	United States	Record daily precipitation	31.8 mm (1.3 in)	16 of 100 (Routine)
Ashton 1N	United States	Record daily precipitation	8.4 mm (0.33 in)	16 of 100 (Routine)
Pointe Au Pere	Canada	Record high maximum temperature	25.0 C (77.0 F)	15 of 100 (Routine)
Karlsruhe	Germany	Record high maximum temperature	31.7 C (89.1 F)	15 of 100 (Routine)
Altastenberg	Germany	Record high maximum temperature	28.7 C (83.7 F)	15 of 100 (Routine)
Gainesville UNIV of Fl	United States	Record low minimum temperature	20.0 C (68.0 F)	15 of 100 (Routine)
Easton	United States	Record low minimum temperature	10.6 C (51.1 F)	15 of 100 (Routine)
Hernando	United States	Record high minimum temperature	25.0 C (77.0 F)	15 of 100 (Routine)
Orlando Executive AP	United States	Record low maximum temperature	29.4 C (84.9 F)	15 of 100 (Routine)
Sydney	Canada	Record high maximum temperature	30.0 C (86.0 F)	14 of 100 (Routine)
Tot-Ma	Russia	Record daily precipitation	16.0 mm (0.6 in)	14 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record low maximum temperature	17.2 C (63.0 F)	14 of 100 (Routine)
St Augustine	United States	Record low minimum temperature	19.4 C (66.9 F)	14 of 100 (Routine)
Tampa	United States	Record low maximum temperature	29.4 C (84.9 F)	14 of 100 (Routine)
Hoxie	United States	Record daily precipitation	37.8 mm (1.5 in)	14 of 100 (Routine)
Windsor Kings College	Canada	Record high maximum temperature	30.6 C (87.1 F)	13 of 100 (Routine)
Syktyvkar	Russia	Record high minimum temperature	16.3 C (61.3 F)	13 of 100 (Routine)
Astrakan	Russia	Record low maximum temperature	23.5 C (74.3 F)	13 of 100 (Routine)
Tunis	Tunisia	Record low minimum temperature	13.0 C (55.4 F)	13 of 100 (Routine)
Uman	Ukraine	Record low maximum temperature	18.6 C (65.5 F)	13 of 100 (Routine)
Blackfoot Fire Dept	United States	Record daily precipitation	1.5 mm (0.06 in)	13 of 100 (Routine)
Mina	United States	Record daily precipitation	1.8 mm (0.07 in)	13 of 100 (Routine)
Goondiwindi Post Office	Australia	Record low minimum temperature	-2.2 C (28.0 F)	12 of 100 (Routine)
Low Head (Comparison)	Australia	Record low maximum temperature	9.6 C (49.3 F)	12 of 100 (Routine)
Kelowna	Canada	Record high maximum temperature	33.9 C (93.0 F)	12 of 100 (Routine)
Rutherglen	Canada	Record low maximum temperature	16.7 C (62.1 F)	12 of 100 (Routine)
Kon-Kolodez	Russia	Record low maximum temperature	18.0 C (64.4 F)	12 of 100 (Routine)

Counts by Type and Timescale

123 records

Records set or tied on 18 July 1929 by type: Highest daily maximum 13, Lowest daily maximum 16, Highest daily minimum 23, Lowest daily minimum 28, Heaviest daily rainfall 43.

Records on 18 July 1929 by type
Record type	Records
Highest daily maximum	13
Lowest daily maximum	16
Highest daily minimum	23
Lowest daily minimum	28
Heaviest daily rainfall	43
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 July 1929 by timescale: all-time 0, monthly 2, daily 121.

How Much Records Were Beaten By

96 broken records

Margins by which the 96 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 71.1. Ties are not counted.

Top 20 by Significance

18 July 1929

Top 20 records on 18 July 1929 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 1929	Woodville 4 ESE, US	monthly rain	174.0 mm (6.9 in)	71.1 mm (2.8 in)	18 years	58 of 100 (Notable)
18 July 1929	Welland, CA	daily rain	95.3 mm (3.8 in)	58.7 mm (2.3 in)	8 years	47 of 100 (Notable)
18 July 1929	Bay Saint Louis, US	daily rain	104.1 mm (4.1 in)	68.3 mm (2.7 in)	28 years	47 of 100 (Notable)
18 July 1929	Mohonk Lake, US	daily rain	53.3 mm (2.1 in)	34.8 mm (1.4 in)	24 years	32 of 100 (Routine)
18 July 1929	Elmira, US	daily rain	47.0 mm (1.9 in)	20.1 mm (0.8 in)	26 years	30 of 100 (Routine)
18 July 1929	Summerville 4W, US	daily low min	16.7 C (62.1 F)	3.3 C (5.9 F)	24 years	28 of 100 (Routine)
18 July 1929	Hvar, HR	daily low min	16.0 C (60.8 F)	1.4 C (2.5 F)	45 years	24 of 100 (Routine)
18 July 1929	Ithaca Cornell UNIV, US	daily rain	30.7 mm (1.2 in)	18.3 mm (0.7 in)	8 years	24 of 100 (Routine)
18 July 1929	Clontarf, CA	daily rain	30.2 mm (1.2 in)	10.6 mm (0.4 in)	24 years	23 of 100 (Routine)
18 July 1929	Bic, CA	daily rain	26.7 mm (1.1 in)	8.9 mm (0.35 in)	28 years	23 of 100 (Routine)
18 July 1929	Tranebjerg, DK	daily low min	7.0 C (44.6 F)	1.7 C (3.1 F)	36 years	23 of 100 (Routine)
18 July 1929	Sussex 1 NW, US	daily rain	51.1 mm (2.0 in)	12.7 mm (0.5 in)	31 years	22 of 100 (Routine)
18 July 1929	Addison, US	daily rain	38.1 mm (1.5 in)	11.9 mm (0.5 in)	26 years	22 of 100 (Routine)
18 July 1929	Tallahassee, US	daily low min	19.4 C (66.9 F)	1.7 C (3.1 F)	22 years	21 of 100 (Routine)
18 July 1929	Lakin, US	daily rain	25.9 mm (1.0 in)	10.7 mm (0.4 in)	31 years	21 of 100 (Routine)
18 July 1929	Macksville 8 NNE, US	daily rain	37.8 mm (1.5 in)	13.4 mm (0.5 in)	32 years	21 of 100 (Routine)
18 July 1929	Port Jervis, US	daily rain	33.5 mm (1.3 in)	14.2 mm (0.6 in)	26 years	21 of 100 (Routine)
18 July 1929	Montrose #2, US	daily rain	11.9 mm (0.5 in)	6.8 mm (0.27 in)	15 years	20 of 100 (Routine)
18 July 1929	Newton, US	daily rain	35.1 mm (1.4 in)	28.7 mm (1.1 in)	7 years	20 of 100 (Routine)
18 July 1929	Cobar Post Office, AU	daily low min	-2.8 C (27.0 F)	0.6 C (1.1 F)	44 years	19 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

1793 to 1929

Records set or tied on this calendar date in each year from 1793 to 1929. 1929 had 123 records.

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

Records on 07-18 in each year
Year	Records
1793	2
1801	1
1845	1
1847	1
1851	1
1858	1
1862	1
1863	2
1865	1
1866	2
1871	2
1872	1
1874	1
1877	1
1878	4
1880	1
1881	2
1883	2
1886	2
1887	2
1888	1
1889	2
1890	4
1891	1
1892	2
1895	1
1896	2
1897	6
1898	2
1899	3
1900	8
1901	5
1902	3
1903	14
1904	7
1905	22
1906	13
1907	12
1908	39
1909	11
1910	33
1911	42
1912	28
1913	21
1914	47
1915	95
1916	235
1917	265
1918	58
1919	38
1920	59
1921	67
1922	138
1923	126
1924	306
1925	217
1926	191
1927	85
1928	108
1929	123
1930	462
1931	382
1932	343
1933	228
1934	502
1935	212
1936	665
1937	334
1938	306
1939	424
1940	352
1941	349
1942	661
1943	277
1944	333
1945	350
1946	334
1947	385
1948	289
1949	521
1950	632
1951	307
1952	597
1953	493
1954	501
1955	423
1956	466
1957	325
1958	475
1959	548
1960	669
1961	280
1962	516
1963	269
1964	523
1965	707
1966	545
1967	735
1968	998
1969	590
1970	530
1971	625
1972	701
1973	976
1974	729
1975	643
1976	1,047
1977	839
1978	881
1979	821
1980	747
1981	624
1982	749
1983	1,071
1984	1,000
1985	582
1986	908
1987	1,845
1988	1,001
1989	1,233
1990	1,053
1991	589
1992	1,135
1993	1,013
1994	720
1995	904
1996	1,157
1997	785
1998	1,169
1999	900
2000	1,214
2001	909
2002	840
2003	1,159
2004	985
2005	1,210
2006	1,285
2007	1,267
2008	593
2009	1,757
2010	878
2011	1,148
2012	1,070
2013	921
2014	1,348
2015	745
2016	609
2017	426
2018	699
2019	548
2020	361
2021	676
2022	1,071
2023	867
2024	581
2025	779
2026	806

Download the Data

Data for records on 1929-07-18: 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	77
10 to 20	13
20 to 30	2
30 to 40	1
40 to 50	0
50 to 60	1
60 to 70	1
70 to 80	1