Weather Records on 2 April 1917

65 weather records were set or tied worldwide on 2 April 1917. Highest significance: Hamilton, CA.

Key Facts for 2 April 1917

On 2 April 1917, 65 weather records were set or tied at long-record stations worldwide.
9 were record highs and 14 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 58 daily.
Hamilton set a daily record precipitation of 44.2 mm (1.7 in) on 2 April 1917.
Across 152 earlier years (1815 to 2026) the same calendar date averaged 503 records.

Record Map

65 stations

65 station records on 2 April 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 2 April 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hamilton	Canada	Record daily precipitation	44.2 mm (1.7 in)	54 of 100 (Notable)
Bredasdorp	South Africa	Record daily precipitation	36.6 mm (1.4 in)	44 of 100 (Notable)
Port Dover	Canada	Record daily precipitation	25.7 mm (1.0 in)	35 of 100 (Notable)
Galway	Ireland	Record low minimum temperature	-5.6 C (21.9 F)	33 of 100 (Routine)
Sterkstroom (Pol)	South Africa	Record daily precipitation	25.9 mm (1.0 in)	29 of 100 (Routine)
Stornoway Airport	United Kingdom	Record low minimum temperature	-7.2 C (19.0 F)	28 of 100 (Routine)
Armagh	United Kingdom	Record low minimum temperature	-6.3 C (20.7 F)	26 of 100 (Routine)
Durham	United Kingdom	Record low minimum temperature	-11.1 C (12.0 F)	26 of 100 (Routine)
Cet Central England	United Kingdom	Record low minimum temperature	-5.1 C (22.8 F)	24 of 100 (Routine)
Westminster	Canada	Record daily precipitation	41.9 mm (1.6 in)	23 of 100 (Routine)
Sheffield	United Kingdom	Record low minimum temperature	-7.8 C (18.0 F)	21 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record daily precipitation	19.7 mm (0.8 in)	20 of 100 (Routine)
Barrie	Canada	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Port Stanley	Canada	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Peterborough	Canada	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Windsor Riverside	Canada	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Darwin Post Office	Australia	Record daily precipitation	87.4 mm (3.4 in)	20 of 100 (Routine)
Coldwater	Canada	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Paris	Canada	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record low maximum temperature	2.8 C (37.0 F)	19 of 100 (Routine)
Montagu (Pol)	South Africa	Record daily precipitation	19.1 mm (0.8 in)	19 of 100 (Routine)
Woodstock	Canada	Record daily precipitation	19.1 mm (0.8 in)	18 of 100 (Routine)
Nicosia	Cyprus	Record high minimum temperature	15.6 C (60.1 F)	18 of 100 (Routine)
Ft Bidwell	United States	Record daily precipitation	5.6 mm (0.22 in)	18 of 100 (Routine)
Vineland	United States	Record high minimum temperature	14.4 C (57.9 F)	18 of 100 (Routine)
Kerkwerve	Netherlands	Record daily precipitation	8.0 mm (0.31 in)	17 of 100 (Routine)
Nicola Lake	Canada	Record daily snowfall	0.8 cm (0.3 in)	16 of 100 (Routine)
Alton	Canada	Record high minimum temperature	3.9 C (39.0 F)	16 of 100 (Routine)
Tomsk	Russia	Record daily precipitation	5.5 mm (0.22 in)	16 of 100 (Routine)
Middletown 4 W	United States	Record high maximum temperature	22.8 C (73.0 F)	16 of 100 (Routine)
Worcester	South Africa	Record daily precipitation	11.4 mm (0.4 in)	15 of 100 (Routine)
Cottam	Canada	Record daily precipitation	27.9 mm (1.1 in)	14 of 100 (Routine)
Lakefield	Canada	Record daily precipitation	17.3 mm (0.7 in)	14 of 100 (Routine)
Welland	Canada	Record daily precipitation	16.0 mm (0.6 in)	13 of 100 (Routine)
Guelph Oac	Canada	Record daily precipitation	26.2 mm (1.0 in)	13 of 100 (Routine)
Wrixum/Fohr	Germany	Record snow depth	2.0 cm (0.8 in)	13 of 100 (Routine)
Tobolsk	Russia	Record daily precipitation	2.9 mm (0.11 in)	13 of 100 (Routine)
Junsele	Sweden	Record daily precipitation	4.0 mm (0.16 in)	13 of 100 (Routine)
Cet Central England	United Kingdom	Record low maximum temperature	5.1 C (41.2 F)	13 of 100 (Routine)
Armagh	United Kingdom	Record low maximum temperature	4.0 C (39.2 F)	13 of 100 (Routine)
Knysna (Tnk)	South Africa	Record daily precipitation	16.3 mm (0.6 in)	12 of 100 (Routine)
Calitzdorp Pol	South Africa	Record daily precipitation	9.4 mm (0.37 in)	12 of 100 (Routine)
Waverley	South Africa	Record daily precipitation	12.7 mm (0.5 in)	12 of 100 (Routine)
Steynsburg	South Africa	Record daily precipitation	21.8 mm (0.9 in)	12 of 100 (Routine)
Astoria	United States	Record low minimum temperature	0.6 C (33.1 F)	12 of 100 (Routine)
Johnsonville	United States	Record daily precipitation	23.4 mm (0.9 in)	12 of 100 (Routine)
Northfield	United States	Record high minimum temperature	1.1 C (34.0 F)	12 of 100 (Routine)
Tulbagh (Pol)	South Africa	Record daily precipitation	7.1 mm (0.28 in)	11 of 100 (Routine)
Newark Liberty Intl AP	United States	Record high maximum temperature	25.6 C (78.1 F)	11 of 100 (Routine)
Uccle	Belgium	Record low minimum temperature	-2.3 C (27.9 F)	10 of 100 (Routine)
London South	Canada	Record daily precipitation	13.2 mm (0.5 in)	10 of 100 (Routine)
Durham	United Kingdom	Record daily precipitation	4.4 mm (0.17 in)	9 of 100 (Routine)
Ladismith (Tnk)	South Africa	Record daily precipitation	8.9 mm (0.35 in)	8 of 100 (Routine)
Bad Muskau	Germany	Record daily precipitation	5.9 mm (0.23 in)	7 of 100 (Routine)
Salzburg	Austria	Record low maximum temperature	3.5 C (38.3 F)	6 of 100 (Routine)
Lindsay	Canada	Record daily precipitation	8.9 mm (0.35 in)	5 of 100 (Routine)
Nieu-Bethesda (Pol)	South Africa	Record daily precipitation	21.1 mm (0.8 in)	5 of 100 (Routine)
Halmstad	Sweden	Record low minimum temperature	-8.0 C (17.6 F)	5 of 100 (Routine)
Perm	Russia	Record daily precipitation	3.1 mm (0.12 in)	4 of 100 (Routine)

Counts by Type and Timescale

65 records

Records set or tied on 2 April 1917 by type: Highest daily maximum 3, Lowest daily maximum 5, Highest daily minimum 6, Lowest daily minimum 9, Heaviest daily rainfall 40, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 2 April 1917 by type
Record type	Records
Highest daily maximum	3
Lowest daily maximum	5
Highest daily minimum	6
Lowest daily minimum	9
Heaviest daily rainfall	40
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 2 April 1917 by timescale: all-time 0, monthly 7, daily 58.

How Much Records Were Beaten By

59 broken records

Margins by which the 59 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 37.1. Ties are not counted.

Top 20 by Significance

2 April 1917

Top 20 records on 2 April 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
2 April 1917	Hamilton, CA	daily rain	44.2 mm (1.7 in)	37.1 mm (1.5 in)	31 years	54 of 100 (Notable)
2 April 1917	Bredasdorp, ZA	daily rain	36.6 mm (1.4 in)	28.7 mm (1.1 in)	31 years	44 of 100 (Notable)
2 April 1917	Port Dover, CA	daily rain	25.7 mm (1.0 in)	13.8 mm (0.5 in)	31 years	35 of 100 (Notable)
2 April 1917	Galway, IE	monthly low min	-5.6 C (21.9 F)	2.3 C (4.1 F)	35 years	33 of 100 (Routine)
2 April 1917	Sterkstroom (Pol), ZA	daily rain	25.9 mm (1.0 in)	15.0 mm (0.6 in)	21 years	29 of 100 (Routine)
2 April 1917	Stornoway Airport, GB	daily low min	-7.2 C (19.0 F)	5.0 C (9.0 F)	19 years	28 of 100 (Routine)
2 April 1917	Armagh, GB	monthly low min	-6.3 C (20.7 F)	0.6 C (1.1 F)	24 years	26 of 100 (Routine)
2 April 1917	Durham, GB	monthly low min	-11.1 C (12.0 F)	3.1 C (5.6 F)	8 years	26 of 100 (Routine)
2 April 1917	Cet Central England, GB	monthly low min	-5.1 C (22.8 F)	1.3 C (2.3 F)	24 years	24 of 100 (Routine)
2 April 1917	Westminster, CA	monthly rain	41.9 mm (1.6 in)	2.8 mm (0.11 in)	25 years	23 of 100 (Routine)
2 April 1917	Sheffield, GB	monthly low min	-7.8 C (18.0 F)	2.2 C (4.0 F)	0 years	21 of 100 (Routine)
2 April 1917	Ilulissat (Jakobshavn), GL	daily rain	19.7 mm (0.8 in)	17.3 mm (0.7 in)	32 years	20 of 100 (Routine)
2 April 1917	Barrie, CA	daily rain	20.8 mm (0.8 in)	15.7 mm (0.6 in)	32 years	20 of 100 (Routine)
2 April 1917	Port Stanley, CA	daily rain	20.6 mm (0.8 in)	9.9 mm (0.39 in)	36 years	20 of 100 (Routine)
2 April 1917	Peterborough, CA	daily rain	22.4 mm (0.9 in)	16.0 mm (0.6 in)	6 years	20 of 100 (Routine)
2 April 1917	Windsor Riverside, CA	daily rain	15.2 mm (0.6 in)	4.0 mm (0.16 in)	36 years	20 of 100 (Routine)
2 April 1917	Georgetown, CA	daily rain	18.5 mm (0.7 in)	6.1 mm (0.24 in)	32 years	20 of 100 (Routine)
2 April 1917	Darwin Post Office, AU	daily rain	87.4 mm (3.4 in)	28.5 mm (1.1 in)	12 years	20 of 100 (Routine)
2 April 1917	Coldwater, CA	daily rain	19.8 mm (0.8 in)	5.8 mm (0.23 in)	31 years	20 of 100 (Routine)
2 April 1917	Paris, CA	daily rain	15.0 mm (0.6 in)	6.1 mm (0.24 in)	32 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

1815 to 1917

Records set or tied on this calendar date in each year from 1815 to 1917. 1917 had 65 records.

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

Records on 04-02 in each year
Year	Records
1815	3
1819	1
1830	1
1841	1
1843	1
1848	2
1852	2
1855	2
1856	1
1872	1
1877	1
1878	1
1879	2
1881	1
1882	1
1884	1
1886	1
1887	2
1889	3
1890	1
1891	4
1892	4
1893	1
1897	5
1898	1
1899	5
1900	12
1901	3
1902	2
1903	12
1904	12
1905	15
1906	7
1907	20
1908	13
1909	14
1910	22
1911	40
1912	25
1913	29
1914	64
1915	28
1916	67
1917	65
1918	68
1919	52
1920	62
1921	80
1922	21
1923	105
1924	303
1925	128
1926	205
1927	226
1928	271
1929	203
1930	162
1931	474
1932	455
1933	157
1934	266
1935	449
1936	1,239
1937	142
1938	279
1939	265
1940	568
1941	276
1942	172
1943	323
1944	532
1945	1,161
1946	983
1947	373
1948	452
1949	437
1950	436
1951	307
1952	307
1953	386
1954	610
1955	311
1956	834
1957	486
1958	553
1959	1,145
1960	414
1961	701
1962	459
1963	1,391
1964	806
1965	594
1966	492
1967	809
1968	391
1969	416
1970	1,325
1971	484
1972	467
1973	647
1974	808
1975	1,679
1976	592
1977	669
1978	711
1979	780
1980	567
1981	952
1982	1,026
1983	890
1984	1,021
1985	922
1986	751
1987	941
1988	1,084
1989	1,037
1990	1,203
1991	626
1992	1,835
1993	837
1994	492
1995	649
1996	1,080
1997	952
1998	1,060
1999	1,443
2000	860
2001	810
2002	1,272
2003	1,114
2004	893
2005	1,141
2006	794
2007	968
2008	838
2009	984
2010	1,394
2011	1,419
2012	1,515
2013	706
2014	577
2015	490
2016	661
2017	622
2018	1,439
2019	695
2020	1,127
2021	1,164
2022	577
2023	671
2024	1,044
2025	1,273
2026	780

Download the Data

Data for records on 1917-04-02: 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	41
5 to 10	8
10 to 15	2
15 to 20	4
20 to 25	1
25 to 30	2
30 to 35	0
35 to 40	1