Weather Records on 20 April 1915

45 weather records were set or tied worldwide on 20 April 1915. Highest significance: Cape May 2 NW, US.

Key Facts for 20 April 1915

On 20 April 1915, 45 weather records were set or tied at long-record stations worldwide.
35 were record highs and 1 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 43 daily.
Cape May 2 NW set a monthly record high minimum temperature of 15.0 C (59.0 F) on 20 April 1915.
Across 159 earlier years (1807 to 2026) the same calendar date averaged 465 records.

Record Map

45 stations

45 station records on 20 April 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 April 1915: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cape May 2 NW	United States	Record high minimum temperature	15.0 C (59.0 F)	25 of 100 (Routine)
Toronto	Canada	Record high minimum temperature	10.0 C (50.0 F)	22 of 100 (Routine)
Kazan	Russia	Record daily precipitation	10.3 mm (0.4 in)	20 of 100 (Routine)
Atlantic City Marina	United States	Record high maximum temperature	26.7 C (80.1 F)	19 of 100 (Routine)
Hamilton	Canada	Record high minimum temperature	8.3 C (46.9 F)	18 of 100 (Routine)
Stornoway Airport	United Kingdom	Record low maximum temperature	5.6 C (42.1 F)	18 of 100 (Routine)
Toledo Blade	United States	Record high maximum temperature	28.3 C (82.9 F)	18 of 100 (Routine)
Dubuque River	United States	Record high minimum temperature	12.2 C (54.0 F)	17 of 100 (Routine)
Windsor Riverside	Canada	Record high maximum temperature	26.7 C (80.1 F)	16 of 100 (Routine)
Bourke Post Office	Australia	Record high minimum temperature	20.6 C (69.1 F)	15 of 100 (Routine)
Orebro	Sweden	Record high minimum temperature	5.5 C (41.9 F)	15 of 100 (Routine)
World Trade Ctr	United States	Record high maximum temperature	26.1 C (79.0 F)	15 of 100 (Routine)
Cape May 2 NW	United States	Record high maximum temperature	25.6 C (78.1 F)	14 of 100 (Routine)
Wilmington Wb City	United States	Record high maximum temperature	29.4 C (84.9 F)	14 of 100 (Routine)
Gammon Ranges (Wooltana)	Australia	Record daily precipitation	3.3 mm (0.13 in)	13 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record daily precipitation	6.5 mm (0.26 in)	13 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high maximum temperature	28.9 C (84.0 F)	13 of 100 (Routine)
Dubuque River	United States	Record high maximum temperature	26.7 C (80.1 F)	13 of 100 (Routine)
Gnalta	Australia	Record daily precipitation	6.4 mm (0.25 in)	12 of 100 (Routine)
Gavle	Sweden	Record high minimum temperature	5.0 C (41.0 F)	12 of 100 (Routine)
State College	United States	Record high minimum temperature	15.0 C (59.0 F)	12 of 100 (Routine)
Washington	United States	Record high maximum temperature	30.6 C (87.1 F)	12 of 100 (Routine)
Ny City Cntrl Park	United States	Record high maximum temperature	27.8 C (82.0 F)	12 of 100 (Routine)
White Cliffs (Purnanga)	Australia	Record daily precipitation	5.1 mm (0.20 in)	11 of 100 (Routine)
White Cliffs (Tarella)	Australia	Record daily precipitation	0.8 mm (0.03 in)	11 of 100 (Routine)
Anna Creek	Australia	Record daily precipitation	4.3 mm (0.17 in)	10 of 100 (Routine)
Vasteras-Hasslo	Sweden	Record high minimum temperature	6.0 C (42.8 F)	10 of 100 (Routine)
World Trade Ctr	United States	Record high minimum temperature	16.7 C (62.1 F)	10 of 100 (Routine)
Philadelphia City	United States	Record high maximum temperature	28.9 C (84.0 F)	10 of 100 (Routine)
Zagreb-Gric	Croatia	Record high minimum temperature	12.6 C (54.7 F)	9 of 100 (Routine)
Harnosand	Sweden	Record high minimum temperature	3.5 C (38.3 F)	9 of 100 (Routine)
State College	United States	Record high maximum temperature	27.8 C (82.0 F)	9 of 100 (Routine)
Baltimore Customs House	United States	Record high maximum temperature	31.1 C (88.0 F)	9 of 100 (Routine)
Wilcannia (Mena Murtee)	Australia	Record daily precipitation	7.6 mm (0.30 in)	8 of 100 (Routine)
Plauen	Germany	Record daily precipitation	17.3 mm (0.7 in)	8 of 100 (Routine)
Bjuraker	Sweden	Record high minimum temperature	3.5 C (38.3 F)	5 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record high minimum temperature	7.6 C (45.7 F)	4 of 100 (Routine)
Atlantic City Marina	United States	Record high minimum temperature	14.4 C (57.9 F)	4 of 100 (Routine)
Port Arthur	Canada	Record high maximum temperature	16.7 C (62.1 F)	2 of 100 (Routine)
Halifax	Canada	Record high maximum temperature	21.1 C (70.0 F)	2 of 100 (Routine)
Halifax	Canada	Record high minimum temperature	6.1 C (43.0 F)	2 of 100 (Routine)
Sydney	Canada	Record high minimum temperature	2.2 C (36.0 F)	2 of 100 (Routine)
Philadelphia City	United States	Record high minimum temperature	17.2 C (63.0 F)	2 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high maximum temperature	29.4 C (84.9 F)	2 of 100 (Routine)
Sveg	Sweden	Record high minimum temperature	1.5 C (34.7 F)	1 of 100 (Routine)

Counts by Type and Timescale

45 records

Records set or tied on 20 April 1915 by type: Highest daily maximum 16, Lowest daily maximum 1, Highest daily minimum 19, Heaviest daily rainfall 9.

Records on 20 April 1915 by type
Record type	Records
Highest daily maximum	16
Lowest daily maximum	1
Highest daily minimum	19
Lowest daily minimum	0
Heaviest daily rainfall	9
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 April 1915 by timescale: all-time 0, monthly 2, daily 43.

How Much Records Were Beaten By

37 broken records

Margins by which the 37 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 8.4. Ties are not counted.

Top 20 by Significance

20 April 1915

Top 20 records on 20 April 1915 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 April 1915	Cape May 2 NW, US	monthly high min	15.0 C (59.0 F)	0.6 C (1.1 F)	36 years	25 of 100 (Routine)
20 April 1915	Toronto, CA	daily high min	10.0 C (50.0 F)	1.7 C (3.1 F)	36 years	22 of 100 (Routine)
20 April 1915	Kazan, RU	daily rain	10.3 mm (0.4 in)	8.4 mm (0.33 in)	21 years	20 of 100 (Routine)
20 April 1915	Atlantic City Marina, US	daily high max	26.7 C (80.1 F)	4.5 C (8.1 F)	18 years	19 of 100 (Routine)
20 April 1915	Hamilton, CA	daily high min	8.3 C (46.9 F)	1.1 C (2.0 F)	36 years	18 of 100 (Routine)
20 April 1915	Stornoway Airport, GB	daily low max	5.6 C (42.1 F)	1.1 C (2.0 F)	33 years	18 of 100 (Routine)
20 April 1915	Toledo Blade, US	daily high max	28.3 C (82.9 F)	5.0 C (9.0 F)	25 years	18 of 100 (Routine)
20 April 1915	Dubuque River, US	daily high min	12.2 C (54.0 F)	1.1 C (2.0 F)	38 years	17 of 100 (Routine)
20 April 1915	Windsor Riverside, CA	daily high max	26.7 C (80.1 F)	2.3 C (4.1 F)	29 years	16 of 100 (Routine)
20 April 1915	Bourke Post Office, AU	daily high min	20.6 C (69.1 F)	3.4 C (6.1 F)	12 years	15 of 100 (Routine)
20 April 1915	Orebro, SE	daily high min	5.5 C (41.9 F)	1.5 C (2.7 F)	29 years	15 of 100 (Routine)
20 April 1915	World Trade Ctr, US	daily high max	26.1 C (79.0 F)	3.3 C (5.9 F)	18 years	15 of 100 (Routine)
20 April 1915	Cape May 2 NW, US	daily high max	25.6 C (78.1 F)	2.8 C (5.0 F)	19 years	14 of 100 (Routine)
20 April 1915	Wilmington Wb City, US	daily high max	29.4 C (84.9 F)	1.6 C (2.9 F)	23 years	14 of 100 (Routine)
20 April 1915	Gammon Ranges (Wooltana), AU	daily rain	3.3 mm (0.13 in)	3.3 mm (0.13 in)	30 years	13 of 100 (Routine)
20 April 1915	Ilulissat (Jakobshavn), GL	daily rain	6.5 mm (0.26 in)	1.0 mm (0.04 in)	13 years	13 of 100 (Routine)
20 April 1915	Newark Liberty Intl AP, US	daily high max	28.9 C (84.0 F)	0.6 C (1.1 F)	18 years	13 of 100 (Routine)
20 April 1915	Dubuque River, US	daily high max	26.7 C (80.1 F)	1.1 C (2.0 F)	28 years	13 of 100 (Routine)
20 April 1915	Gnalta, AU	daily rain	6.4 mm (0.25 in)	5.9 mm (0.23 in)	20 years	12 of 100 (Routine)
20 April 1915	Gavle, SE	daily high min	5.0 C (41.0 F)	1.0 C (1.8 F)	25 years	12 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

1807 to 1915

Records set or tied on this calendar date in each year from 1807 to 1915. 1915 had 45 records.

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

Records on 04-20 in each year
Year	Records
1807	3
1817	1
1838	1
1849	2
1851	1
1852	4
1854	1
1858	1
1860	1
1864	1
1865	3
1868	1
1869	1
1870	1
1872	1
1874	3
1875	4
1876	1
1878	2
1880	2
1881	2
1884	1
1885	1
1886	2
1889	1
1891	2
1892	1
1893	6
1894	8
1895	7
1896	3
1897	6
1898	1
1899	1
1901	8
1902	3
1903	14
1904	31
1905	9
1906	12
1907	18
1908	14
1909	22
1910	25
1911	18
1912	12
1913	19
1914	46
1915	45
1916	19
1917	33
1918	42
1919	17
1920	49
1921	27
1922	40
1923	157
1924	113
1925	169
1926	310
1927	442
1928	212
1929	182
1930	87
1931	255
1932	166
1933	279
1934	384
1935	384
1936	311
1937	427
1938	339
1939	158
1940	519
1941	558
1942	223
1943	670
1944	304
1945	391
1946	395
1947	308
1948	493
1949	477
1950	329
1951	690
1952	552
1953	1,071
1954	377
1955	623
1956	384
1957	730
1958	327
1959	563
1960	472
1961	1,078
1962	487
1963	595
1964	749
1965	724
1966	1,174
1967	864
1968	975
1969	382
1970	948
1971	765
1972	531
1973	982
1974	673
1975	344
1976	661
1977	693
1978	800
1979	495
1980	1,539
1981	706
1982	906
1983	1,844
1984	922
1985	1,140
1986	770
1987	1,447
1988	1,144
1989	1,187
1990	1,495
1991	1,075
1992	1,009
1993	772
1994	756
1995	1,351
1996	970
1997	833
1998	1,490
1999	674
2000	931
2001	752
2002	1,081
2003	758
2004	567
2005	707
2006	859
2007	582
2008	1,110
2009	845
2010	693
2011	1,477
2012	726
2013	1,520
2014	384
2015	702
2016	650
2017	734
2018	1,309
2019	1,019
2020	449
2021	1,215
2022	596
2023	828
2024	673
2025	836
2026	533

Download the Data

Data for records on 1915-04-20: 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 2	22
2 to 4	10
4 to 6	3
6 to 8	1
8 to 10	1