Weather Records on 18 April 1923

107 weather records were set or tied worldwide on 18 April 1923. Highest significance: Georgetown, AU.

Key Facts for 18 April 1923

On 18 April 1923, 107 weather records were set or tied at long-record stations worldwide.
21 were record highs and 42 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 106 daily.
Georgetown set a daily record precipitation of 33.5 mm (1.3 in) on 18 April 1923.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 470 records.

Record Map

107 stations

107 station records on 18 April 1923 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 1923: highest significance records shown on the map
Station	Country	Type	Value	Significance
Georgetown	Australia	Record daily precipitation	33.5 mm (1.3 in)	27 of 100 (Routine)
San Diego Wbo	United States	Record daily precipitation	9.1 mm (0.36 in)	20 of 100 (Routine)
Gladstone (Booyoolee)	Australia	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Boolcoomatta	Australia	Record daily precipitation	11.9 mm (0.5 in)	20 of 100 (Routine)
Clare Post Office	Australia	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Vryburg (Pol)	South Africa	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Appila	Australia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Caltowie	Australia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Mintaro	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Pella	South Africa	Record daily precipitation	4.3 mm (0.17 in)	20 of 100 (Routine)
Booleroo Centre	Australia	Record daily precipitation	6.4 mm (0.25 in)	20 of 100 (Routine)
Battleford	Canada	Record high minimum temperature	11.7 C (53.1 F)	20 of 100 (Routine)
Kola-In-Murman	Russia	Record daily precipitation	7.0 mm (0.28 in)	19 of 100 (Routine)
Galway	Ireland	Record low maximum temperature	8.9 C (48.0 F)	18 of 100 (Routine)
Tashkent	Uzbekistan	Record low maximum temperature	10.2 C (50.4 F)	18 of 100 (Routine)
Farrell Flat	Australia	Record daily precipitation	6.1 mm (0.24 in)	17 of 100 (Routine)
Koomooloo	Australia	Record daily precipitation	1.3 mm (0.05 in)	16 of 100 (Routine)
Clare (Hill River)	Australia	Record daily precipitation	15.7 mm (0.6 in)	16 of 100 (Routine)
Steinkopf (Pol)	South Africa	Record daily precipitation	6.1 mm (0.24 in)	16 of 100 (Routine)
Copley	Australia	Record daily precipitation	4.3 mm (0.17 in)	15 of 100 (Routine)
Uccle	Belgium	Record low maximum temperature	5.9 C (42.6 F)	15 of 100 (Routine)
Prince Albert	Canada	Record high maximum temperature	24.4 C (75.9 F)	15 of 100 (Routine)
Jacobsdal (Pol)	South Africa	Record daily precipitation	18.0 mm (0.7 in)	15 of 100 (Routine)
State College	United States	Record low minimum temperature	-3.9 C (25.0 F)	15 of 100 (Routine)
Claremont Pomona Clg	United States	Record daily precipitation	10.7 mm (0.4 in)	14 of 100 (Routine)
Canon City	United States	Record high maximum temperature	28.3 C (82.9 F)	14 of 100 (Routine)
Blinman	Australia	Record daily precipitation	2.5 mm (0.10 in)	13 of 100 (Routine)
Hammond	Australia	Record daily precipitation	5.3 mm (0.21 in)	13 of 100 (Routine)
Karumba Pilot Station	Australia	Record daily precipitation	14.2 mm (0.6 in)	13 of 100 (Routine)
Medicine Hat A	Canada	Record high minimum temperature	10.0 C (50.0 F)	13 of 100 (Routine)
Nicosia	Cyprus	Record daily precipitation	7.9 mm (0.31 in)	13 of 100 (Routine)
Clanwilliam (Pol)	South Africa	Record daily precipitation	10.7 mm (0.4 in)	13 of 100 (Routine)
Wupperthal	South Africa	Record daily precipitation	21.6 mm (0.9 in)	13 of 100 (Routine)
Marshallville 6 S	United States	Record low maximum temperature	15.6 C (60.1 F)	13 of 100 (Routine)
Beaver City	United States	Record high maximum temperature	29.4 C (84.9 F)	13 of 100 (Routine)
Belvidere	United States	Record low minimum temperature	-2.8 C (27.0 F)	13 of 100 (Routine)
Charlotteburg Rsvr	United States	Record low minimum temperature	-5.0 C (23.0 F)	13 of 100 (Routine)
Wappingers Falls	United States	Record low minimum temperature	-5.6 C (21.9 F)	13 of 100 (Routine)
Salisbury	United States	Record low maximum temperature	15.6 C (60.1 F)	13 of 100 (Routine)
Grafton 1 NE	United States	Record low minimum temperature	-5.0 C (23.0 F)	13 of 100 (Routine)
Newport	United States	Record low maximum temperature	9.4 C (48.9 F)	13 of 100 (Routine)
Woomera (Oakden Hills)	Australia	Record daily precipitation	5.1 mm (0.20 in)	12 of 100 (Routine)
Belton (Shadow Vale)	Australia	Record daily precipitation	5.6 mm (0.22 in)	12 of 100 (Routine)
Whyte Yarcowie	Australia	Record daily precipitation	6.4 mm (0.25 in)	12 of 100 (Routine)
Kamloops	Canada	Record daily precipitation	4.3 mm (0.17 in)	12 of 100 (Routine)
Salekhard	Russia	Record daily precipitation	1.7 mm (0.07 in)	12 of 100 (Routine)
Tampa	United States	Record low maximum temperature	21.1 C (70.0 F)	12 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record low maximum temperature	22.8 C (73.0 F)	12 of 100 (Routine)
Lake Cochituate	United States	Record low minimum temperature	-5.0 C (23.0 F)	12 of 100 (Routine)
Yuma Wb City	United States	Record daily precipitation	1.0 mm (0.04 in)	12 of 100 (Routine)
Quorn (Olive Grove)	Australia	Record daily precipitation	3.6 mm (0.14 in)	11 of 100 (Routine)
Peterborough	Canada	Record daily snowfall	3.8 cm (1.5 in)	11 of 100 (Routine)
Stockton 2	United States	Record daily precipitation	12.2 mm (0.5 in)	11 of 100 (Routine)
Lexington	United States	Record high maximum temperature	27.8 C (82.0 F)	11 of 100 (Routine)
Medford	United States	Record high maximum temperature	26.1 C (79.0 F)	11 of 100 (Routine)
Havre Wb City	United States	Record high minimum temperature	9.4 C (48.9 F)	11 of 100 (Routine)
Lakefield	Canada	Record low maximum temperature	1.7 C (35.1 F)	10 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record high minimum temperature	2.2 C (36.0 F)	10 of 100 (Routine)
Adairsville	United States	Record low minimum temperature	0.0 C (32.0 F)	10 of 100 (Routine)
Houston	United States	Record low minimum temperature	-3.3 C (26.1 F)	10 of 100 (Routine)

Counts by Type and Timescale

107 records

Records set or tied on 18 April 1923 by type: Highest daily maximum 10, Lowest daily maximum 17, Highest daily minimum 11, Lowest daily minimum 25, Heaviest daily rainfall 43, Heaviest daily snowfall 1.

Records on 18 April 1923 by type
Record type	Records
Highest daily maximum	10
Lowest daily maximum	17
Highest daily minimum	11
Lowest daily minimum	25
Heaviest daily rainfall	43
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 18 April 1923 by timescale: all-time 0, monthly 1, daily 106.

How Much Records Were Beaten By

89 broken records

Margins by which the 89 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 25.0. Ties are not counted.

Top 20 by Significance

18 April 1923

Top 20 records on 18 April 1923 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 1923	Georgetown, AU	daily rain	33.5 mm (1.3 in)	17.2 mm (0.7 in)	18 years	27 of 100 (Routine)
18 April 1923	San Diego Wbo, US	daily rain	9.1 mm (0.36 in)	3.8 mm (0.15 in)	41 years	20 of 100 (Routine)
18 April 1923	Gladstone (Booyoolee), AU	daily rain	11.7 mm (0.5 in)	8.1 mm (0.32 in)	29 years	20 of 100 (Routine)
18 April 1923	Boolcoomatta, AU	daily rain	11.9 mm (0.5 in)	10.1 mm (0.4 in)	30 years	20 of 100 (Routine)
18 April 1923	Clare Post Office, AU	daily rain	13.7 mm (0.5 in)	4.3 mm (0.17 in)	45 years	20 of 100 (Routine)
18 April 1923	Vryburg (Pol), ZA	daily rain	18.8 mm (0.7 in)	10.2 mm (0.4 in)	35 years	20 of 100 (Routine)
18 April 1923	Appila, AU	daily rain	11.4 mm (0.4 in)	5.0 mm (0.20 in)	30 years	20 of 100 (Routine)
18 April 1923	Caltowie, AU	daily rain	14.0 mm (0.6 in)	5.9 mm (0.23 in)	33 years	20 of 100 (Routine)
18 April 1923	Mintaro, AU	daily rain	16.5 mm (0.6 in)	6.3 mm (0.25 in)	29 years	20 of 100 (Routine)
18 April 1923	Pella, ZA	daily rain	4.3 mm (0.17 in)	4.3 mm (0.17 in)	44 years	20 of 100 (Routine)
18 April 1923	Booleroo Centre, AU	daily rain	6.4 mm (0.25 in)	4.9 mm (0.19 in)	33 years	20 of 100 (Routine)
18 April 1923	Battleford, CA	monthly high min	11.7 C (53.1 F)	0.6 C (1.1 F)	16 years	20 of 100 (Routine)
18 April 1923	Kola-In-Murman, RU	daily rain	7.0 mm (0.28 in)	2.5 mm (0.10 in)	12 years	19 of 100 (Routine)
18 April 1923	Galway, IE	daily low max	8.9 C (48.0 F)	0.5 C (0.9 F)	36 years	18 of 100 (Routine)
18 April 1923	Tashkent, UZ	daily low max	10.2 C (50.4 F)	3.1 C (5.6 F)	26 years	18 of 100 (Routine)
18 April 1923	Farrell Flat, AU	daily rain	6.1 mm (0.24 in)	3.6 mm (0.14 in)	33 years	17 of 100 (Routine)
18 April 1923	Koomooloo, AU	daily rain	1.3 mm (0.05 in)	1.3 mm (0.05 in)	36 years	16 of 100 (Routine)
18 April 1923	Clare (Hill River), AU	daily rain	15.7 mm (0.6 in)	6.3 mm (0.25 in)	27 years	16 of 100 (Routine)
18 April 1923	Steinkopf (Pol), ZA	daily rain	6.1 mm (0.24 in)	3.8 mm (0.15 in)	27 years	16 of 100 (Routine)
18 April 1923	Copley, AU	daily rain	4.3 mm (0.17 in)	2.3 mm (0.09 in)	31 years	15 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 1923

Records set or tied on this calendar date in each year from 1793 to 1923. 1923 had 107 records.

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

Records on 04-18 in each year
Year	Records
1793	1
1807	2
1815	1
1838	1
1847	1
1849	1
1851	1
1852	3
1854	3
1855	1
1865	4
1867	1
1870	1
1871	1
1875	4
1877	2
1878	1
1879	3
1880	2
1884	2
1886	2
1887	3
1888	1
1889	1
1890	2
1891	1
1892	3
1893	5
1894	7
1895	2
1896	3
1897	5
1898	8
1899	2
1900	2
1901	6
1902	5
1903	11
1904	9
1905	12
1906	18
1907	17
1908	37
1909	19
1910	19
1911	25
1912	21
1913	26
1914	38
1915	31
1916	22
1917	40
1918	76
1919	16
1920	64
1921	58
1922	85
1923	107
1924	101
1925	154
1926	322
1927	391
1928	323
1929	126
1930	113
1931	173
1932	326
1933	211
1934	391
1935	264
1936	483
1937	477
1938	711
1939	525
1940	322
1941	496
1942	287
1943	298
1944	259
1945	371
1946	357
1947	444
1948	932
1949	345
1950	244
1951	658
1952	536
1953	1,322
1954	442
1955	817
1956	467
1957	629
1958	370
1959	468
1960	320
1961	520
1962	484
1963	662
1964	449
1965	363
1966	776
1967	882
1968	867
1969	795
1970	771
1971	1,106
1972	470
1973	953
1974	326
1975	751
1976	1,309
1977	717
1978	803
1979	841
1980	842
1981	708
1982	616
1983	2,082
1984	625
1985	1,119
1986	622
1987	1,068
1988	936
1989	625
1990	1,368
1991	780
1992	702
1993	730
1994	1,218
1995	1,601
1996	826
1997	1,256
1998	1,011
1999	1,428
2000	912
2001	1,487
2002	2,084
2003	969
2004	846
2005	622
2006	1,262
2007	675
2008	913
2009	624
2010	478
2011	1,122
2012	744
2013	2,509
2014	534
2015	519
2016	973
2017	588
2018	1,202
2019	601
2020	770
2021	592
2022	1,013
2023	739
2024	641
2025	997
2026	498

Download the Data

Data for records on 1923-04-18: 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 5	78
5 to 10	7
10 to 15	2
15 to 20	1
20 to 25	1