Weather Records on 23 July 1918

96 weather records were set or tied worldwide on 23 July 1918. Highest significance: Nowra Council Offices, AU.

Key Facts for 23 July 1918

On 23 July 1918, 96 weather records were set or tied at long-record stations worldwide.
43 were record highs and 6 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 95 daily.
Nowra Council Offices set a daily record precipitation of 107.2 mm (4.2 in) on 23 July 1918.
Across 167 earlier years (1794 to 2026) the same calendar date averaged 450 records.

Record Map

96 stations

96 station records on 23 July 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 July 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nowra Council Offices	Australia	Record daily precipitation	107.2 mm (4.2 in)	52 of 100 (Notable)
Milton Post Office	Australia	Record daily precipitation	113.0 mm (4.4 in)	50 of 100 (Notable)
Montagu (Pol)	South Africa	Record daily precipitation	76.2 mm (3.0 in)	40 of 100 (Notable)
Berry Masonic Village	Australia	Record daily precipitation	116.8 mm (4.6 in)	39 of 100 (Notable)
Botany No.1 Dam	Australia	Record daily precipitation	77.5 mm (3.1 in)	37 of 100 (Notable)
Wollongong Post Office	Australia	Record daily precipitation	81.3 mm (3.2 in)	37 of 100 (Notable)
Toronto	Canada	Record high minimum temperature	21.7 C (71.1 F)	36 of 100 (Notable)
Jamberoo (Lorna)	Australia	Record daily precipitation	109.2 mm (4.3 in)	27 of 100 (Routine)
Burwood 1	Australia	Record daily precipitation	43.2 mm (1.7 in)	23 of 100 (Routine)
Ny City Cntrl Park	United States	Record high maximum temperature	35.0 C (95.0 F)	23 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record high minimum temperature	12.2 C (54.0 F)	22 of 100 (Routine)
Bowral Post Office	Australia	Record daily precipitation	50.8 mm (2.0 in)	21 of 100 (Routine)
Menangle Jmai	Australia	Record daily precipitation	42.2 mm (1.7 in)	21 of 100 (Routine)
Ft Bidwell	United States	Record low maximum temperature	21.1 C (70.0 F)	21 of 100 (Routine)
Portland Rfc City	United States	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Orenburg	Russia	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Fairlight Station	Australia	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Robertson	South Africa	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Kei Road (Pol)	South Africa	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Goulburn (Kippilaw)	Australia	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Kokstad	South Africa	Record daily precipitation	4.6 mm (0.18 in)	20 of 100 (Routine)
Guelph Oac	Canada	Record high minimum temperature	21.1 C (70.0 F)	20 of 100 (Routine)
Dohne (Sar)	South Africa	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Campbelltown 1	Australia	Record daily precipitation	40.9 mm (1.6 in)	19 of 100 (Routine)
Port Stanley	Canada	Record high minimum temperature	20.6 C (69.1 F)	18 of 100 (Routine)
Fredericton Unb	Canada	Record high maximum temperature	31.1 C (88.0 F)	18 of 100 (Routine)
Gospic	Croatia	Record daily precipitation	42.1 mm (1.7 in)	18 of 100 (Routine)
Sedan (Sandleton)	Australia	Record daily precipitation	6.9 mm (0.27 in)	17 of 100 (Routine)
Robertsons Mount	Australia	Record daily precipitation	9.7 mm (0.38 in)	17 of 100 (Routine)
Calitzdorp Pol	South Africa	Record daily precipitation	11.2 mm (0.4 in)	17 of 100 (Routine)
Komga (Pol)	South Africa	Record daily precipitation	9.4 mm (0.37 in)	17 of 100 (Routine)
Thomas River (Sar)	South Africa	Record daily precipitation	12.2 mm (0.5 in)	17 of 100 (Routine)
Blue Hill Coop	United States	Record high minimum temperature	22.2 C (72.0 F)	17 of 100 (Routine)
World Trade Ctr	United States	Record high maximum temperature	33.3 C (91.9 F)	17 of 100 (Routine)
Moss Vale (Hoskins Street)	Australia	Record daily precipitation	45.5 mm (1.8 in)	16 of 100 (Routine)
Portland	United States	Record high maximum temperature	34.4 C (93.9 F)	16 of 100 (Routine)
Ottawa	Canada	Record high minimum temperature	21.7 C (71.1 F)	15 of 100 (Routine)
Lindsay	Canada	Record high minimum temperature	20.6 C (69.1 F)	15 of 100 (Routine)
Caledon (Pol)	South Africa	Record daily precipitation	18.5 mm (0.7 in)	15 of 100 (Routine)
Gravenhurst	Canada	Record high minimum temperature	20.0 C (68.0 F)	14 of 100 (Routine)
London South	Canada	Record high minimum temperature	20.0 C (68.0 F)	14 of 100 (Routine)
Woodstock	Canada	Record high minimum temperature	20.0 C (68.0 F)	14 of 100 (Routine)
Haliburton A	Canada	Record high minimum temperature	18.3 C (64.9 F)	14 of 100 (Routine)
Aleksandrovsk-Sahalinskij	Russia	Record daily precipitation	18.1 mm (0.7 in)	14 of 100 (Routine)
Pirie (Bos)	South Africa	Record daily precipitation	7.4 mm (0.29 in)	14 of 100 (Routine)
Ida	South Africa	Record daily precipitation	8.4 mm (0.33 in)	14 of 100 (Routine)
Ledknapper Tank	Australia	Record daily precipitation	1.8 mm (0.07 in)	13 of 100 (Routine)
Picton Council Depot	Australia	Record daily precipitation	23.6 mm (0.9 in)	13 of 100 (Routine)
Medicine Hat A	Canada	Record low minimum temperature	5.6 C (42.1 F)	13 of 100 (Routine)
Brantford	Canada	Record high minimum temperature	21.1 C (70.0 F)	13 of 100 (Routine)
Portland Rfc City	United States	Record low maximum temperature	16.7 C (62.1 F)	13 of 100 (Routine)
Camden Bowling Club	Australia	Record daily precipitation	45.7 mm (1.8 in)	12 of 100 (Routine)
Alton	Canada	Record high maximum temperature	32.8 C (91.0 F)	12 of 100 (Routine)
West Terschelling	Netherlands	Record daily precipitation	12.1 mm (0.5 in)	12 of 100 (Routine)
Ladismith (Tnk)	South Africa	Record daily precipitation	25.4 mm (1.0 in)	12 of 100 (Routine)
Setauket Strong	United States	Record high maximum temperature	32.8 C (91.0 F)	12 of 100 (Routine)
Glenfield (Macquarie)	Australia	Record daily precipitation	43.2 mm (1.7 in)	11 of 100 (Routine)
Chatham	Canada	Record high maximum temperature	33.3 C (91.9 F)	11 of 100 (Routine)
Sydney	Canada	Record high maximum temperature	30.0 C (86.0 F)	11 of 100 (Routine)
Portland	United States	Record high minimum temperature	20.6 C (69.1 F)	11 of 100 (Routine)

Counts by Type and Timescale

96 records

Records set or tied on 23 July 1918 by type: Highest daily maximum 18, Lowest daily maximum 2, Highest daily minimum 25, Lowest daily minimum 4, Heaviest daily rainfall 47.

Records on 23 July 1918 by type
Record type	Records
Highest daily maximum	18
Lowest daily maximum	2
Highest daily minimum	25
Lowest daily minimum	4
Heaviest daily rainfall	47
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 July 1918 by timescale: all-time 0, monthly 1, daily 95.

How Much Records Were Beaten By

80 broken records

Margins by which the 80 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 77.7. Ties are not counted.

Top 20 by Significance

23 July 1918

Top 20 records on 23 July 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 July 1918	Nowra Council Offices, AU	daily rain	107.2 mm (4.2 in)	75.4 mm (3.0 in)	32 years	52 of 100 (Notable)
23 July 1918	Milton Post Office, AU	daily rain	113.0 mm (4.4 in)	70.1 mm (2.8 in)	32 years	50 of 100 (Notable)
23 July 1918	Montagu (Pol), ZA	monthly rain	76.2 mm (3.0 in)	19.0 mm (0.7 in)	32 years	40 of 100 (Notable)
23 July 1918	Berry Masonic Village, AU	daily rain	116.8 mm (4.6 in)	77.7 mm (3.1 in)	23 years	39 of 100 (Notable)
23 July 1918	Botany No.1 Dam, AU	daily rain	77.5 mm (3.1 in)	40.7 mm (1.6 in)	34 years	37 of 100 (Notable)
23 July 1918	Wollongong Post Office, AU	daily rain	81.3 mm (3.2 in)	43.2 mm (1.7 in)	44 years	37 of 100 (Notable)
23 July 1918	Toronto, CA	daily high min	21.7 C (71.1 F)	2.3 C (4.1 F)	76 years	36 of 100 (Notable)
23 July 1918	Jamberoo (Lorna), AU	daily rain	109.2 mm (4.3 in)	38.1 mm (1.5 in)	23 years	27 of 100 (Routine)
23 July 1918	Burwood 1, AU	daily rain	43.2 mm (1.7 in)	30.8 mm (1.2 in)	13 years	23 of 100 (Routine)
23 July 1918	Ny City Cntrl Park, US	daily high max	35.0 C (95.0 F)	1.7 C (3.1 F)	47 years	23 of 100 (Routine)
23 July 1918	Sydney (Observatory Hill), AU	daily high min	12.2 C (54.0 F)	0.1 C (0.2 F)	54 years	22 of 100 (Routine)
23 July 1918	Bowral Post Office, AU	daily rain	50.8 mm (2.0 in)	22.1 mm (0.9 in)	23 years	21 of 100 (Routine)
23 July 1918	Menangle Jmai, AU	daily rain	42.2 mm (1.7 in)	19.6 mm (0.8 in)	23 years	21 of 100 (Routine)
23 July 1918	Ft Bidwell, US	daily low max	21.1 C (70.0 F)	2.8 C (5.0 F)	33 years	21 of 100 (Routine)
23 July 1918	Portland Rfc City, US	daily rain	21.1 mm (0.8 in)	20.3 mm (0.8 in)	30 years	20 of 100 (Routine)
23 July 1918	Orenburg, RU	daily rain	15.7 mm (0.6 in)	9.3 mm (0.37 in)	16 years	20 of 100 (Routine)
23 July 1918	Fairlight Station, AU	daily rain	15.2 mm (0.6 in)	11.6 mm (0.5 in)	27 years	20 of 100 (Routine)
23 July 1918	Robertson, ZA	daily rain	17.5 mm (0.7 in)	9.4 mm (0.37 in)	18 years	20 of 100 (Routine)
23 July 1918	Kei Road (Pol), ZA	daily rain	15.5 mm (0.6 in)	11.2 mm (0.4 in)	36 years	20 of 100 (Routine)
23 July 1918	Goulburn (Kippilaw), AU	daily rain	14.2 mm (0.6 in)	10.4 mm (0.4 in)	13 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

1794 to 1918

Records set or tied on this calendar date in each year from 1794 to 1918. 1918 had 96 records.

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

Records on 07-23 in each year
Year	Records
1794	2
1797	1
1804	1
1810	1
1811	2
1832	1
1835	1
1836	2
1838	1
1845	1
1846	2
1851	1
1852	1
1855	2
1856	1
1859	1
1860	1
1861	1
1863	1
1867	1
1868	5
1870	1
1873	2
1875	2
1877	1
1879	2
1880	2
1882	1
1883	1
1884	1
1885	5
1886	1
1887	2
1888	1
1889	5
1890	4
1894	3
1895	7
1896	4
1898	9
1899	5
1900	8
1901	10
1902	6
1903	4
1904	18
1905	11
1906	19
1907	9
1908	15
1909	27
1910	54
1911	37
1912	43
1913	36
1914	59
1915	35
1916	34
1917	42
1918	96
1919	26
1920	40
1921	221
1922	113
1923	104
1924	158
1925	173
1926	266
1927	308
1928	146
1929	174
1930	214
1931	334
1932	232
1933	432
1934	898
1935	329
1936	403
1937	319
1938	354
1939	277
1940	494
1941	292
1942	265
1943	245
1944	350
1945	239
1946	531
1947	1,240
1948	610
1949	453
1950	500
1951	422
1952	788
1953	660
1954	545
1955	585
1956	402
1957	513
1958	633
1959	606
1960	568
1961	937
1962	465
1963	490
1964	373
1965	368
1966	368
1967	347
1968	480
1969	436
1970	935
1971	648
1972	640
1973	798
1974	578
1975	359
1976	425
1977	570
1978	1,064
1979	648
1980	703
1981	1,030
1982	594
1983	1,324
1984	980
1985	711
1986	1,239
1987	1,164
1988	1,124
1989	868
1990	1,033
1991	1,050
1992	1,469
1993	1,466
1994	1,215
1995	827
1996	1,227
1997	1,088
1998	885
1999	846
2000	1,225
2001	1,242
2002	875
2003	1,649
2004	1,148
2005	997
2006	1,757
2007	1,262
2008	1,057
2009	1,069
2010	1,627
2011	1,907
2012	822
2013	648
2014	783
2015	559
2016	760
2017	517
2018	873
2019	786
2020	514
2021	506
2022	707
2023	629
2024	798
2025	917
2026	788

Download the Data

Data for records on 1918-07-23: 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	62
10 to 20	8
20 to 30	3
30 to 40	2
40 to 50	2
50 to 60	0
60 to 70	0
70 to 80	3