Weather Records on 30 July 1918

42 weather records were set or tied worldwide on 30 July 1918. Highest significance: Newlands, ZA.

Key Facts for 30 July 1918

On 30 July 1918, 42 weather records were set or tied at long-record stations worldwide.
2 were record highs and 18 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 6 monthly and 36 daily.
Newlands set a monthly record daily precipitation of 26.4 mm (1.0 in) on 30 July 1918.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 443 records.

Record Map

42 stations

42 station records on 30 July 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Newlands	South Africa	Record daily precipitation	26.4 mm (1.0 in)	60 of 100 (Major)
Barkly West (Tnk)	South Africa	Record daily precipitation	26.4 mm (1.0 in)	32 of 100 (Routine)
Hingham (1)	United States	Record daily precipitation	44.5 mm (1.8 in)	29 of 100 (Routine)
Chattanooga Wb City	United States	Record daily precipitation	56.9 mm (2.2 in)	28 of 100 (Routine)
Quebec	Canada	Record daily precipitation	56.6 mm (2.2 in)	26 of 100 (Routine)
Springbok	South Africa	Record daily precipitation	57.2 mm (2.3 in)	25 of 100 (Routine)
Escanaba	United States	Record low minimum temperature	5.6 C (42.1 F)	21 of 100 (Routine)
Kenhardt (Pol)	South Africa	Record daily precipitation	23.9 mm (0.9 in)	20 of 100 (Routine)
Vryburg (Pol)	South Africa	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Griquatown (Tnk)	South Africa	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Vilnius	Lithuania	Record daily precipitation	21.5 mm (0.8 in)	19 of 100 (Routine)
Milwaukee Wb City	United States	Record low minimum temperature	11.1 C (52.0 F)	19 of 100 (Routine)
Chattanooga Wb City	United States	Record low maximum temperature	25.0 C (77.0 F)	19 of 100 (Routine)
Ny City Cntrl Park	United States	Record daily precipitation	50.8 mm (2.0 in)	19 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record low minimum temperature	-6.1 C (21.0 F)	18 of 100 (Routine)
Edmonton	Canada	Record daily precipitation	21.1 mm (0.8 in)	18 of 100 (Routine)
Oranjerivier (Sar)	South Africa	Record daily precipitation	5.6 mm (0.22 in)	18 of 100 (Routine)
Wyong (Wyong Golf Club)	Australia	Record daily precipitation	50.0 mm (2.0 in)	17 of 100 (Routine)
St John's	Canada	Record low minimum temperature	3.9 C (39.0 F)	16 of 100 (Routine)
Toledo Blade	United States	Record low maximum temperature	18.9 C (66.0 F)	16 of 100 (Routine)
Morgantown 1	United States	Record daily precipitation	42.4 mm (1.7 in)	15 of 100 (Routine)
Owen Sound	Canada	Record low maximum temperature	16.7 C (62.1 F)	14 of 100 (Routine)
Green Bay	United States	Record low maximum temperature	18.9 C (66.0 F)	13 of 100 (Routine)
Owen Sound	Canada	Record low minimum temperature	7.2 C (45.0 F)	12 of 100 (Routine)
Brome	Canada	Record daily precipitation	26.9 mm (1.1 in)	12 of 100 (Routine)
Moose Factory	Canada	Record low minimum temperature	4.4 C (39.9 F)	11 of 100 (Routine)
Milwaukee Wb City	United States	Record low maximum temperature	17.2 C (63.0 F)	11 of 100 (Routine)
Minnedosa	Canada	Record high maximum temperature	31.1 C (88.0 F)	10 of 100 (Routine)
Gosford (Gertrude Place)	Australia	Record daily precipitation	25.9 mm (1.0 in)	9 of 100 (Routine)
Anticosti West Point	Canada	Record daily precipitation	17.8 mm (0.7 in)	9 of 100 (Routine)
Astana	Kazakhstan	Record daily precipitation	3.4 mm (0.13 in)	9 of 100 (Routine)
Toledo Blade	United States	Record low minimum temperature	11.1 C (52.0 F)	8 of 100 (Routine)
Lexington Bluegrass AP	United States	Record low maximum temperature	23.9 C (75.0 F)	8 of 100 (Routine)
Taree (Radio Station 2Re)	Australia	Record daily precipitation	13.2 mm (0.5 in)	7 of 100 (Routine)
Freiburg	Germany	Record low minimum temperature	7.9 C (46.2 F)	5 of 100 (Routine)
Morgantown 1	United States	Record low maximum temperature	22.8 C (73.0 F)	4 of 100 (Routine)
Stony Mountain	Canada	Record low minimum temperature	5.0 C (41.0 F)	2 of 100 (Routine)
La Crosse Wb City	United States	Record low minimum temperature	8.9 C (48.0 F)	2 of 100 (Routine)
Guelph Oac	Canada	Record low maximum temperature	21.1 C (70.0 F)	1 of 100 (Routine)
Herschel	South Africa	Record daily precipitation	5.1 mm (0.20 in)	1 of 100 (Routine)
Barkly East	South Africa	Record daily precipitation	8.9 mm (0.35 in)	1 of 100 (Routine)
Houston Wb City	United States	Record high minimum temperature	25.0 C (77.0 F)	0 of 100 (Routine)

Counts by Type and Timescale

42 records

Records set or tied on 30 July 1918 by type: Highest daily maximum 1, Lowest daily maximum 8, Highest daily minimum 1, Lowest daily minimum 10, Heaviest daily rainfall 22.

Records on 30 July 1918 by type
Record type	Records
Highest daily maximum	1
Lowest daily maximum	8
Highest daily minimum	1
Lowest daily minimum	10
Heaviest daily rainfall	22
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 1918 by timescale: all-time 0, monthly 6, daily 36.

How Much Records Were Beaten By

35 broken records

Margins by which the 35 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 29.8. Ties are not counted.

Top 20 by Significance

30 July 1918

Top 20 records on 30 July 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 1918	Newlands, ZA	monthly rain	26.4 mm (1.0 in)	14.2 mm (0.6 in)	31 years	60 of 100 (Major)
30 July 1918	Barkly West (Tnk), ZA	monthly rain	26.4 mm (1.0 in)	5.1 mm (0.20 in)	31 years	32 of 100 (Routine)
30 July 1918	Hingham (1), US	daily rain	44.5 mm (1.8 in)	29.8 mm (1.2 in)	28 years	29 of 100 (Routine)
30 July 1918	Chattanooga Wb City, US	daily rain	56.9 mm (2.2 in)	20.3 mm (0.8 in)	26 years	28 of 100 (Routine)
30 July 1918	Quebec, CA	monthly rain	56.6 mm (2.2 in)	1.2 mm (0.05 in)	39 years	26 of 100 (Routine)
30 July 1918	Springbok, ZA	monthly rain	57.2 mm (2.3 in)	10.2 mm (0.4 in)	4 years	25 of 100 (Routine)
30 July 1918	Escanaba, US	daily low min	5.6 C (42.1 F)	3.3 C (5.9 F)	26 years	21 of 100 (Routine)
30 July 1918	Kenhardt (Pol), ZA	daily rain	23.9 mm (0.9 in)	23.9 mm (0.9 in)	39 years	20 of 100 (Routine)
30 July 1918	Vryburg (Pol), ZA	monthly rain	21.1 mm (0.8 in)	8.4 mm (0.33 in)	10 years	20 of 100 (Routine)
30 July 1918	Griquatown (Tnk), ZA	monthly rain	22.6 mm (0.9 in)	1.0 mm (0.04 in)	31 years	20 of 100 (Routine)
30 July 1918	Vilnius, LT	daily rain	21.5 mm (0.8 in)	8.4 mm (0.33 in)	15 years	19 of 100 (Routine)
30 July 1918	Milwaukee Wb City, US	daily low min	11.1 C (52.0 F)	1.7 C (3.1 F)	34 years	19 of 100 (Routine)
30 July 1918	Chattanooga Wb City, US	daily low max	25.0 C (77.0 F)	2.2 C (4.0 F)	28 years	19 of 100 (Routine)
30 July 1918	Ny City Cntrl Park, US	daily rain	50.8 mm (2.0 in)	7.9 mm (0.31 in)	28 years	19 of 100 (Routine)
30 July 1918	Wagga Wagga (Kooringal), AU	daily low min	-6.1 C (21.0 F)	1.6 C (2.9 F)	33 years	18 of 100 (Routine)
30 July 1918	Edmonton, CA	daily rain	21.1 mm (0.8 in)	6.9 mm (0.27 in)	26 years	18 of 100 (Routine)
30 July 1918	Oranjerivier (Sar), ZA	daily rain	5.6 mm (0.22 in)	5.6 mm (0.22 in)	33 years	18 of 100 (Routine)
30 July 1918	Wyong (Wyong Golf Club), AU	daily rain	50.0 mm (2.0 in)	23.8 mm (0.9 in)	5 years	17 of 100 (Routine)
30 July 1918	St John's, CA	daily low min	3.9 C (39.0 F)	0.5 C (0.9 F)	38 years	16 of 100 (Routine)
30 July 1918	Toledo Blade, US	daily low max	18.9 C (66.0 F)	2.2 C (4.0 F)	22 years	16 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

1794 to 1918

Records set or tied on this calendar date in each year from 1794 to 1918. 1918 had 42 records.

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

Records on 07-30 in each year
Year	Records
1794	2
1797	1
1827	1
1828	2
1829	1
1830	1
1834	1
1837	2
1838	1
1840	1
1841	1
1843	1
1854	1
1857	1
1858	2
1860	4
1863	1
1867	1
1868	1
1869	2
1870	1
1874	2
1875	1
1876	1
1877	2
1879	1
1880	2
1885	3
1886	5
1887	6
1888	5
1889	1
1890	2
1891	1
1892	1
1893	10
1894	6
1895	2
1896	2
1897	4
1898	8
1899	2
1900	4
1901	11
1902	6
1903	25
1904	17
1905	29
1906	22
1907	11
1908	23
1909	30
1910	8
1911	54
1912	21
1913	34
1914	52
1915	26
1916	150
1917	93
1918	42
1919	19
1920	188
1921	193
1922	40
1923	428
1924	80
1925	275
1926	186
1927	109
1928	210
1929	221
1930	170
1931	432
1932	275
1933	451
1934	619
1935	340
1936	452
1937	245
1938	388
1939	395
1940	562
1941	371
1942	304
1943	397
1944	289
1945	299
1946	409
1947	394
1948	489
1949	512
1950	552
1951	322
1952	581
1953	345
1954	504
1955	787
1956	506
1957	289
1958	344
1959	391
1960	793
1961	511
1962	378
1963	308
1964	483
1965	978
1966	527
1967	282
1968	530
1969	506
1970	431
1971	2,319
1972	758
1973	434
1974	569
1975	1,048
1976	590
1977	641
1978	646
1979	761
1980	962
1981	851
1982	821
1983	904
1984	997
1985	1,029
1986	952
1987	1,084
1988	826
1989	1,227
1990	795
1991	734
1992	1,003
1993	965
1994	1,631
1995	1,207
1996	1,317
1997	933
1998	1,240
1999	1,456
2000	1,030
2001	1,400
2002	1,346
2003	1,163
2004	936
2005	788
2006	1,103
2007	1,160
2008	763
2009	1,328
2010	1,331
2011	1,003
2012	731
2013	737
2014	1,199
2015	682
2016	460
2017	464
2018	1,038
2019	486
2020	763
2021	839
2022	845
2023	683
2024	705
2025	869
2026	1,001

Download the Data

Data for records on 1918-07-30: 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 5	19
5 to 10	9
10 to 15	3
15 to 20	0
20 to 25	3
25 to 30	1