Weather Records on 12 April 1918

40 weather records were set or tied worldwide on 12 April 1918. Highest significance: Concord, US.

Key Facts for 12 April 1918

On 12 April 1918, 40 weather records were set or tied at long-record stations worldwide.
5 were record highs and 16 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 38 daily.
Concord set a daily record snowfall of 21.8 cm (8.6 in) on 12 April 1918.
Across 161 earlier years (1793 to 2026) the same calendar date averaged 504 records.

Record Map

40 stations

40 station records on 12 April 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 April 1918: highest significance records shown on the map
Station	Country	Type	Value	Significance
Concord	United States	Record daily snowfall	21.8 cm (8.6 in)	41 of 100 (Notable)
Washington	United States	Record low maximum temperature	3.3 C (37.9 F)	25 of 100 (Routine)
Washington	United States	Record daily snowfall	5.1 cm (2.0 in)	25 of 100 (Routine)
World Trade Ctr	United States	Record daily snowfall	5.3 cm (2.1 in)	22 of 100 (Routine)
Baltimore Customs House	United States	Record low maximum temperature	3.3 C (37.9 F)	22 of 100 (Routine)
Jacksonville Wb City	United States	Record low minimum temperature	5.6 C (42.1 F)	22 of 100 (Routine)
Gospic	Croatia	Record daily precipitation	45.8 mm (1.8 in)	21 of 100 (Routine)
Newark Liberty Intl AP	United States	Record low maximum temperature	2.2 C (36.0 F)	21 of 100 (Routine)
Northfield	United States	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Moorestown 4 E	United States	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Kingston Queens U	Canada	Record daily snowfall	5.3 cm (2.1 in)	20 of 100 (Routine)
Montgomery Wb City	United States	Record low minimum temperature	2.2 C (36.0 F)	20 of 100 (Routine)
Concord	United States	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Somerville 4 NW	United States	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
World Trade Ctr	United States	Record low maximum temperature	2.2 C (36.0 F)	20 of 100 (Routine)
Urana (Butherwah)	Australia	Record daily precipitation	1.3 mm (0.05 in)	19 of 100 (Routine)
Philadelphia City	United States	Record low maximum temperature	3.3 C (37.9 F)	18 of 100 (Routine)
Vineland	United States	Record low maximum temperature	3.3 C (37.9 F)	17 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record low maximum temperature	0.6 C (33.1 F)	17 of 100 (Routine)
Philadelphia City	United States	Record daily snowfall	2.5 cm (1.0 in)	17 of 100 (Routine)
Ny City Cntrl Park	United States	Record daily snowfall	5.1 cm (2.0 in)	17 of 100 (Routine)
Curraweena	Australia	Record daily precipitation	3.8 mm (0.15 in)	16 of 100 (Routine)
Irkutsk	Russia	Record daily precipitation	5.1 mm (0.20 in)	16 of 100 (Routine)
Hanover	United States	Record daily precipitation	15.5 mm (0.6 in)	16 of 100 (Routine)
Stony Mountain	Canada	Record high maximum temperature	18.9 C (66.0 F)	15 of 100 (Routine)
Harrisburg - Coop	United States	Record low maximum temperature	2.2 C (36.0 F)	15 of 100 (Routine)
Storrs	United States	Record low maximum temperature	0.0 C (32.0 F)	14 of 100 (Routine)
Setauket Strong	United States	Record low maximum temperature	2.2 C (36.0 F)	14 of 100 (Routine)
Middletown 4 W	United States	Record low maximum temperature	2.8 C (37.0 F)	13 of 100 (Routine)
Burlington	United States	Record daily precipitation	7.4 mm (0.29 in)	13 of 100 (Routine)
Atlantic City Marina	United States	Record low maximum temperature	3.3 C (37.9 F)	12 of 100 (Routine)
Blue Hill Coop	United States	Record low maximum temperature	0.6 C (33.1 F)	10 of 100 (Routine)
State College	United States	Record daily snowfall	8.4 cm (3.3 in)	10 of 100 (Routine)
Escanaba	United States	Record high maximum temperature	14.4 C (57.9 F)	10 of 100 (Routine)
Prince Albert	Canada	Record high minimum temperature	3.3 C (37.9 F)	9 of 100 (Routine)
Maseskar	Sweden	Record daily precipitation	8.3 mm (0.33 in)	8 of 100 (Routine)
Northfield	United States	Record daily snowfall	25.4 cm (10.0 in)	4 of 100 (Routine)
Ny City Cntrl Park	United States	Record low maximum temperature	1.7 C (35.1 F)	4 of 100 (Routine)
Robe Comparison	Australia	Record high maximum temperature	23.9 C (75.0 F)	1 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record high maximum temperature	20.0 C (68.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

40 records

Records set or tied on 12 April 1918 by type: Highest daily maximum 4, Lowest daily maximum 14, Highest daily minimum 1, Lowest daily minimum 2, Heaviest daily rainfall 9, Heaviest daily snowfall 10.

Records on 12 April 1918 by type
Record type	Records
Highest daily maximum	4
Lowest daily maximum	14
Highest daily minimum	1
Lowest daily minimum	2
Heaviest daily rainfall	9
Heaviest daily snowfall	10
Deepest snow cover	0

Records on 12 April 1918 by timescale: all-time 0, monthly 2, daily 38.

How Much Records Were Beaten By

36 broken records

Margins by which the 36 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 167.0. Ties are not counted.

Top 20 by Significance

12 April 1918

Top 20 records on 12 April 1918 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 April 1918	Concord, US	daily snowfall	21.8 cm (8.6 in)	16.7 cm (6.6 in)	23 years	41 of 100 (Notable)
12 April 1918	Washington, US	daily low max	3.3 C (37.9 F)	3.9 C (7.0 F)	43 years	25 of 100 (Routine)
12 April 1918	Washington, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	32 years	25 of 100 (Routine)
12 April 1918	World Trade Ctr, US	daily snowfall	5.3 cm (2.1 in)	5.3 cm (2.1 in)	32 years	22 of 100 (Routine)
12 April 1918	Baltimore Customs House, US	daily low max	3.3 C (37.9 F)	3.4 C (6.1 F)	43 years	22 of 100 (Routine)
12 April 1918	Jacksonville Wb City, US	daily low min	5.6 C (42.1 F)	2.2 C (4.0 F)	43 years	22 of 100 (Routine)
12 April 1918	Gospic, HR	daily rain	45.8 mm (1.8 in)	10.9 mm (0.4 in)	30 years	21 of 100 (Routine)
12 April 1918	Newark Liberty Intl AP, US	daily low max	2.2 C (36.0 F)	1.1 C (2.0 F)	43 years	21 of 100 (Routine)
12 April 1918	Northfield, US	daily rain	21.1 mm (0.8 in)	9.7 mm (0.38 in)	26 years	20 of 100 (Routine)
12 April 1918	Moorestown 4 E, US	daily snowfall	2.5 cm (1.0 in)	2.5 cm (1.0 in)	52 years	20 of 100 (Routine)
12 April 1918	Kingston Queens U, CA	daily snowfall	5.3 cm (2.1 in)	3.5 cm (1.4 in)	32 years	20 of 100 (Routine)
12 April 1918	Montgomery Wb City, US	daily low min	2.2 C (36.0 F)	2.2 C (4.0 F)	37 years	20 of 100 (Routine)
12 April 1918	Concord, US	daily rain	20.3 mm (0.8 in)	1.2 mm (0.05 in)	47 years	20 of 100 (Routine)
12 April 1918	Somerville 4 NW, US	daily snowfall	2.5 cm (1.0 in)	2.5 cm (1.0 in)	38 years	20 of 100 (Routine)
12 April 1918	World Trade Ctr, US	daily low max	2.2 C (36.0 F)	1.7 C (3.1 F)	43 years	20 of 100 (Routine)
12 April 1918	Urana (Butherwah), AU	daily rain	1.3 mm (0.05 in)	1.3 mm (0.05 in)	47 years	19 of 100 (Routine)
12 April 1918	Philadelphia City, US	daily low max	3.3 C (37.9 F)	1.1 C (2.0 F)	43 years	18 of 100 (Routine)
12 April 1918	Vineland, US	monthly low max	3.3 C (37.9 F)	0.6 C (1.1 F)	7 years	17 of 100 (Routine)
12 April 1918	Cleveland 2717 Euclid, US	daily low max	0.6 C (33.1 F)	2.2 C (4.0 F)	35 years	17 of 100 (Routine)
12 April 1918	Philadelphia City, US	daily snowfall	2.5 cm (1.0 in)	2.5 cm (1.0 in)	32 years	17 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 1918

Records set or tied on this calendar date in each year from 1793 to 1918. 1918 had 40 records.

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

Records on 04-12 in each year
Year	Records
1793	1
1805	1
1810	1
1812	2
1817	2
1826	1
1831	1
1845	1
1850	1
1854	1
1865	2
1866	2
1868	4
1869	5
1871	1
1873	1
1874	5
1876	2
1877	1
1878	1
1879	4
1881	1
1882	1
1885	2
1889	4
1890	10
1891	3
1892	2
1893	4
1894	1
1895	1
1896	1
1897	4
1898	4
1899	5
1900	6
1901	5
1902	3
1903	10
1904	11
1905	19
1906	24
1907	5
1908	10
1909	16
1910	15
1911	26
1912	48
1913	88
1914	41
1915	125
1916	37
1917	33
1918	40
1919	39
1920	148
1921	34
1922	48
1923	134
1924	69
1925	178
1926	347
1927	179
1928	145
1929	141
1930	638
1931	267
1932	253
1933	551
1934	531
1935	171
1936	277
1937	236
1938	175
1939	1,174
1940	1,407
1941	869
1942	191
1943	614
1944	423
1945	884
1946	347
1947	733
1948	1,496
1949	358
1950	638
1951	1,102
1952	455
1953	707
1954	424
1955	611
1956	382
1957	910
1958	542
1959	513
1960	314
1961	551
1962	510
1963	518
1964	363
1965	659
1966	520
1967	682
1968	717
1969	352
1970	568
1971	587
1972	1,316
1973	903
1974	822
1975	704
1976	1,076
1977	1,069
1978	533
1979	1,096
1980	611
1981	1,068
1982	852
1983	877
1984	671
1985	734
1986	1,350
1987	606
1988	1,369
1989	1,838
1990	946
1991	1,484
1992	1,000
1993	586
1994	1,375
1995	1,173
1996	994
1997	3,094
1998	1,409
1999	873
2000	784
2001	1,369
2002	600
2003	1,079
2004	964
2005	536
2006	796
2007	1,144
2008	1,015
2009	811
2010	935
2011	1,026
2012	666
2013	1,039
2014	597
2015	504
2016	595
2017	519
2018	868
2019	685
2020	1,150
2021	710
2022	1,862
2023	1,262
2024	1,086
2025	1,281
2026	622

Download the Data

Data for records on 1918-04-12: 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 25	28
25 to 50	5
50 to 75	2
75 to 100	0
100 to 125	0
125 to 150	0
150 to 175	1