Weather Records on 18 April 1924

101 weather records were set or tied worldwide on 18 April 1924. Highest significance: Philadelphia City, US.

Key Facts for 18 April 1924

On 18 April 1924, 101 weather records were set or tied at long-record stations worldwide.
6 were record highs and 17 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 101 daily.
Philadelphia City set a daily record precipitation of 54.9 mm (2.2 in) on 18 April 1924.
Across 160 earlier years (1793 to 2026) the same calendar date averaged 470 records.

Record Map

101 stations

101 station records on 18 April 1924 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 April 1924: highest significance records shown on the map
Station	Country	Type	Value	Significance
Philadelphia City	United States	Record daily precipitation	54.9 mm (2.2 in)	52 of 100 (Notable)
Bridgeton 1 NE	United States	Record daily precipitation	62.2 mm (2.4 in)	44 of 100 (Notable)
Renfrew	Canada	Record daily precipitation	32.8 mm (1.3 in)	42 of 100 (Notable)
Newark Liberty Intl AP	United States	Record daily precipitation	54.4 mm (2.1 in)	40 of 100 (Notable)
Ny City Cntrl Park	United States	Record daily precipitation	55.6 mm (2.2 in)	39 of 100 (Notable)
Dahlonega 4WSW	United States	Record daily precipitation	72.6 mm (2.9 in)	38 of 100 (Notable)
Rome	United States	Record daily precipitation	76.2 mm (3.0 in)	38 of 100 (Notable)
Welland	Canada	Record daily precipitation	30.2 mm (1.2 in)	37 of 100 (Notable)
Kingston	United States	Record daily precipitation	58.9 mm (2.3 in)	37 of 100 (Notable)
Clontarf	Canada	Record daily precipitation	27.9 mm (1.1 in)	34 of 100 (Routine)
Montreal McGill	Canada	Record daily precipitation	30.5 mm (1.2 in)	34 of 100 (Routine)
Addison	United States	Record daily precipitation	32.3 mm (1.3 in)	34 of 100 (Routine)
Mt Airy 2 W	United States	Record daily precipitation	39.9 mm (1.6 in)	34 of 100 (Routine)
Storrs	United States	Record daily precipitation	47.2 mm (1.9 in)	33 of 100 (Routine)
Cape May 2 NW	United States	Record daily precipitation	27.4 mm (1.1 in)	32 of 100 (Routine)
Zanesville Wwtp	United States	Record daily precipitation	32.3 mm (1.3 in)	31 of 100 (Routine)
Lakefield	Canada	Record daily precipitation	29.2 mm (1.1 in)	30 of 100 (Routine)
Harrisburg - Coop	United States	Record daily precipitation	29.0 mm (1.1 in)	30 of 100 (Routine)
Woodstock	United States	Record daily precipitation	33.5 mm (1.3 in)	29 of 100 (Routine)
Anderson	United States	Record daily precipitation	31.8 mm (1.3 in)	29 of 100 (Routine)
Atlantic City Marina	United States	Record daily precipitation	42.9 mm (1.7 in)	29 of 100 (Routine)
Morganton	United States	Record daily precipitation	37.8 mm (1.5 in)	28 of 100 (Routine)
Hyannis	United States	Record daily precipitation	41.7 mm (1.6 in)	27 of 100 (Routine)
Plainfield	United States	Record daily precipitation	43.9 mm (1.7 in)	26 of 100 (Routine)
Vineland	United States	Record daily precipitation	48.3 mm (1.9 in)	26 of 100 (Routine)
Lockport 2SE	United States	Record daily precipitation	26.2 mm (1.0 in)	26 of 100 (Routine)
Washington	United States	Record daily precipitation	35.6 mm (1.4 in)	26 of 100 (Routine)
Clinton	United States	Record daily precipitation	55.6 mm (2.2 in)	25 of 100 (Routine)
Lenoir	United States	Record daily precipitation	29.5 mm (1.2 in)	24 of 100 (Routine)
Athens	United States	Record daily precipitation	38.1 mm (1.5 in)	23 of 100 (Routine)
Yazoo City	United States	Record daily precipitation	69.9 mm (2.8 in)	23 of 100 (Routine)
Saegerstown	United States	Record daily precipitation	25.7 mm (1.0 in)	23 of 100 (Routine)
Moorestown 4 E	United States	Record daily precipitation	33.0 mm (1.3 in)	22 of 100 (Routine)
Setauket Strong	United States	Record daily precipitation	31.2 mm (1.2 in)	22 of 100 (Routine)
Quakertown	United States	Record daily precipitation	28.2 mm (1.1 in)	22 of 100 (Routine)
Wellsburg Wtr Trmt Pl	United States	Record daily precipitation	27.4 mm (1.1 in)	22 of 100 (Routine)
Quesnel	Canada	Record low maximum temperature	5.0 C (41.0 F)	21 of 100 (Routine)
Baltimore Customs House	United States	Record daily precipitation	40.6 mm (1.6 in)	21 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Richmond	United States	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
New Martinsville 4 NNE	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Ithaca Cornell UNIV	United States	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Lindsay	Canada	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Henderson 2 NNW	United States	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Burlington	United States	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Millsboro	United States	Record daily precipitation	37.3 mm (1.5 in)	20 of 100 (Routine)
Buffalo	United States	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Amherst	United States	Record daily precipitation	25.4 mm (1.0 in)	19 of 100 (Routine)
Raleigh State UNIV	United States	Record daily precipitation	20.6 mm (0.8 in)	19 of 100 (Routine)
Granville	United States	Record daily precipitation	30.5 mm (1.2 in)	19 of 100 (Routine)
Goldstream Lake	Canada	Record daily precipitation	27.9 mm (1.1 in)	18 of 100 (Routine)
Rogersville 1 NE	United States	Record daily precipitation	37.3 mm (1.5 in)	18 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	21.1 mm (0.8 in)	17 of 100 (Routine)
Boras	Sweden	Record low maximum temperature	2.0 C (35.6 F)	17 of 100 (Routine)
Emmitsburg	United States	Record daily precipitation	27.4 mm (1.1 in)	17 of 100 (Routine)
Murphy 4ESE	United States	Record daily precipitation	57.2 mm (2.3 in)	17 of 100 (Routine)
Charlotteburg Rsvr	United States	Record daily precipitation	41.9 mm (1.6 in)	16 of 100 (Routine)
Lock Haven	United States	Record daily precipitation	18.5 mm (0.7 in)	16 of 100 (Routine)
Newport 1 NW	United States	Record daily precipitation	29.2 mm (1.1 in)	16 of 100 (Routine)
Dale Enterprise	United States	Record daily precipitation	20.3 mm (0.8 in)	16 of 100 (Routine)

Counts by Type and Timescale

101 records

Records set or tied on 18 April 1924 by type: Highest daily maximum 4, Lowest daily maximum 10, Highest daily minimum 2, Lowest daily minimum 7, Heaviest daily rainfall 78.

Records on 18 April 1924 by type
Record type	Records
Highest daily maximum	4
Lowest daily maximum	10
Highest daily minimum	2
Lowest daily minimum	7
Heaviest daily rainfall	78
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 April 1924 by timescale: all-time 0, monthly 0, daily 101.

How Much Records Were Beaten By

90 broken records

Margins by which the 90 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 50.8. Ties are not counted.

Top 20 by Significance

18 April 1924

Top 20 records on 18 April 1924 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 April 1924	Philadelphia City, US	daily rain	54.9 mm (2.2 in)	35.6 mm (1.4 in)	36 years	52 of 100 (Notable)
18 April 1924	Bridgeton 1 NE, US	daily rain	62.2 mm (2.4 in)	45.4 mm (1.8 in)	12 years	44 of 100 (Notable)
18 April 1924	Renfrew, CA	daily rain	32.8 mm (1.3 in)	22.6 mm (0.9 in)	6 years	42 of 100 (Notable)
18 April 1924	Newark Liberty Intl AP, US	daily rain	54.4 mm (2.1 in)	26.0 mm (1.0 in)	36 years	40 of 100 (Notable)
18 April 1924	Ny City Cntrl Park, US	daily rain	55.6 mm (2.2 in)	22.3 mm (0.9 in)	44 years	39 of 100 (Notable)
18 April 1924	Dahlonega 4WSW, US	daily rain	72.6 mm (2.9 in)	43.6 mm (1.7 in)	24 years	38 of 100 (Notable)
18 April 1924	Rome, US	daily rain	76.2 mm (3.0 in)	50.8 mm (2.0 in)	2 years	38 of 100 (Notable)
18 April 1924	Welland, CA	daily rain	30.2 mm (1.2 in)	21.1 mm (0.8 in)	20 years	37 of 100 (Notable)
18 April 1924	Kingston, US	daily rain	58.9 mm (2.3 in)	32.7 mm (1.3 in)	32 years	37 of 100 (Notable)
18 April 1924	Clontarf, CA	daily rain	27.9 mm (1.1 in)	17.7 mm (0.7 in)	6 years	34 of 100 (Routine)
18 April 1924	Montreal McGill, CA	daily rain	30.5 mm (1.2 in)	13.7 mm (0.5 in)	24 years	34 of 100 (Routine)
18 April 1924	Addison, US	daily rain	32.3 mm (1.3 in)	21.9 mm (0.9 in)	14 years	34 of 100 (Routine)
18 April 1924	Mt Airy 2 W, US	daily rain	39.9 mm (1.6 in)	36.6 mm (1.4 in)	2 years	34 of 100 (Routine)
18 April 1924	Storrs, US	daily rain	47.2 mm (1.9 in)	32.0 mm (1.3 in)	12 years	33 of 100 (Routine)
18 April 1924	Cape May 2 NW, US	daily rain	27.4 mm (1.1 in)	13.9 mm (0.5 in)	44 years	32 of 100 (Routine)
18 April 1924	Zanesville Wwtp, US	daily rain	32.3 mm (1.3 in)	19.6 mm (0.8 in)	12 years	31 of 100 (Routine)
18 April 1924	Lakefield, CA	daily rain	29.2 mm (1.1 in)	11.9 mm (0.5 in)	24 years	30 of 100 (Routine)
18 April 1924	Harrisburg - Coop, US	daily rain	29.0 mm (1.1 in)	18.3 mm (0.7 in)	12 years	30 of 100 (Routine)
18 April 1924	Woodstock, US	daily rain	33.5 mm (1.3 in)	23.1 mm (0.9 in)	24 years	29 of 100 (Routine)
18 April 1924	Anderson, US	daily rain	31.8 mm (1.3 in)	26.7 mm (1.1 in)	16 years	29 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 1924

Records set or tied on this calendar date in each year from 1793 to 1924. 1924 had 101 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 1924-04-18: 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).

Histogram of margins by which records were beaten on 18 April 1924
Margin	Records
0 to 10	45
10 to 20	25
20 to 30	12
30 to 40	5
40 to 50	2
50 to 60	1