Weather Records on 11 April 1917

62 weather records were set or tied worldwide on 11 April 1917. Highest significance: Nelson Bay (Nelson Head), AU.

Key Facts for 11 April 1917

On 11 April 1917, 62 weather records were set or tied at long-record stations worldwide.
0 were record highs and 18 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 60 daily.
Nelson Bay (Nelson Head) set a daily record precipitation of 117.3 mm (4.6 in) on 11 April 1917.
Across 164 earlier years (1800 to 2026) the same calendar date averaged 483 records.

Record Map

62 stations

62 station records on 11 April 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 April 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nelson Bay (Nelson Head)	Australia	Record daily precipitation	117.3 mm (4.6 in)	43 of 100 (Notable)
Moss Vale (Hoskins Street)	Australia	Record daily precipitation	65.5 mm (2.6 in)	43 of 100 (Notable)
Nowra Council Offices	Australia	Record daily precipitation	66.5 mm (2.6 in)	43 of 100 (Notable)
Jamberoo (Lorna)	Australia	Record daily precipitation	109.7 mm (4.3 in)	42 of 100 (Notable)
Berry Masonic Village	Australia	Record daily precipitation	95.3 mm (3.8 in)	38 of 100 (Notable)
Crown St. Reservoir	Australia	Record daily precipitation	73.9 mm (2.9 in)	37 of 100 (Notable)
Bowral Post Office	Australia	Record daily precipitation	64.5 mm (2.5 in)	31 of 100 (Routine)
Dungog (Cooreii)	Australia	Record daily precipitation	34.3 mm (1.4 in)	30 of 100 (Routine)
Stornoway Airport	United Kingdom	Record low minimum temperature	-5.0 C (23.0 F)	29 of 100 (Routine)
Armagh	United Kingdom	Record low maximum temperature	3.1 C (37.6 F)	28 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record daily precipitation	80.3 mm (3.2 in)	26 of 100 (Routine)
St John's	Canada	Record daily precipitation	34.8 mm (1.4 in)	25 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record low maximum temperature	3.3 C (37.9 F)	25 of 100 (Routine)
Galway	Ireland	Record low minimum temperature	-3.3 C (26.1 F)	23 of 100 (Routine)
Milton Post Office	Australia	Record daily precipitation	97.8 mm (3.9 in)	22 of 100 (Routine)
Brisbane Regional Office	Australia	Record low minimum temperature	11.7 C (53.1 F)	21 of 100 (Routine)
Botany No.1 Dam	Australia	Record daily precipitation	85.6 mm (3.4 in)	21 of 100 (Routine)
Halden	Norway	Record snow depth	6.0 cm (2.4 in)	20 of 100 (Routine)
Pitea	Sweden	Record daily precipitation	10.1 mm (0.4 in)	20 of 100 (Routine)
Jokkmokk	Sweden	Record daily precipitation	6.2 mm (0.24 in)	20 of 100 (Routine)
Bjuroklubb	Sweden	Record daily precipitation	9.3 mm (0.37 in)	20 of 100 (Routine)
Kerkwerve	Netherlands	Record daily precipitation	16.2 mm (0.6 in)	20 of 100 (Routine)
Arhangelsk	Russia	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Kola-In-Murman	Russia	Record daily precipitation	5.1 mm (0.20 in)	20 of 100 (Routine)
Lawrence	United States	Record daily precipitation	6.1 mm (0.24 in)	20 of 100 (Routine)
Armagh	United Kingdom	Record low minimum temperature	-7.1 C (19.2 F)	20 of 100 (Routine)
Oxford	United Kingdom	Record daily precipitation	14.1 mm (0.6 in)	19 of 100 (Routine)
Cataract River	Australia	Record daily precipitation	29.7 mm (1.2 in)	18 of 100 (Routine)
Wollongong Post Office	Australia	Record daily precipitation	59.2 mm (2.3 in)	17 of 100 (Routine)
Cap Madeleine	Canada	Record daily precipitation	20.3 mm (0.8 in)	17 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record low minimum temperature	-0.4 C (31.3 F)	17 of 100 (Routine)
Sheffield	United Kingdom	Record low minimum temperature	-1.7 C (28.9 F)	17 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record daily precipitation	4.0 mm (0.16 in)	15 of 100 (Routine)
Scheveningen	Netherlands	Record daily precipitation	13.6 mm (0.5 in)	15 of 100 (Routine)
Oran-Hopital Militaire	Algeria	Record low minimum temperature	7.0 C (44.6 F)	14 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record low minimum temperature	5.0 C (41.0 F)	14 of 100 (Routine)
Darwin Post Office	Australia	Record low minimum temperature	21.1 C (70.0 F)	13 of 100 (Routine)
Belltrees 1	Australia	Record daily precipitation	13.5 mm (0.5 in)	12 of 100 (Routine)
Zerbst	Germany	Record snow depth	1.0 cm (0.4 in)	12 of 100 (Routine)
Ft Bidwell	United States	Record daily precipitation	7.6 mm (0.30 in)	12 of 100 (Routine)
Herberton White St	Australia	Record daily precipitation	21.3 mm (0.8 in)	11 of 100 (Routine)
Sydney (Observatory Hill)	Australia	Record low maximum temperature	16.7 C (62.1 F)	11 of 100 (Routine)
Kargopol	Russia	Record daily precipitation	6.0 mm (0.24 in)	10 of 100 (Routine)
Morpeth Post Office	Australia	Record daily precipitation	25.4 mm (1.0 in)	9 of 100 (Routine)
Tahlee (Carrington (Church St)	Australia	Record daily precipitation	39.4 mm (1.6 in)	9 of 100 (Routine)
Enisejsk	Russia	Record daily precipitation	5.7 mm (0.22 in)	8 of 100 (Routine)
Campbelltown 1	Australia	Record daily precipitation	18.0 mm (0.7 in)	7 of 100 (Routine)
Tarrwong	Australia	Record daily precipitation	3.6 mm (0.14 in)	6 of 100 (Routine)
Maitland West	Australia	Record daily precipitation	20.8 mm (0.8 in)	6 of 100 (Routine)
Arnsberg	Germany	Record snow depth	4.0 cm (1.6 in)	6 of 100 (Routine)
Algiers-Ville/Universite	Algeria	Record low maximum temperature	14.0 C (57.2 F)	5 of 100 (Routine)
Galway	Ireland	Record low maximum temperature	5.0 C (41.0 F)	5 of 100 (Routine)
Durham	United Kingdom	Record low maximum temperature	3.9 C (39.0 F)	5 of 100 (Routine)
Burlington	United States	Record low maximum temperature	1.1 C (34.0 F)	5 of 100 (Routine)
Sheffield	United Kingdom	Record low maximum temperature	5.0 C (41.0 F)	4 of 100 (Routine)
Wanaaring Station	Australia	Record daily precipitation	5.1 mm (0.20 in)	3 of 100 (Routine)
Penshurst (Gresford)	Australia	Record daily precipitation	14.0 mm (0.6 in)	3 of 100 (Routine)
Moose Factory	Canada	Record low maximum temperature	-9.4 C (15.1 F)	3 of 100 (Routine)
Cap Madeleine	Canada	Record daily snowfall	15.2 cm (6.0 in)	2 of 100 (Routine)
Kvikkjokk-Arrenjarka	Sweden	Record daily precipitation	4.0 mm (0.16 in)	2 of 100 (Routine)

Counts by Type and Timescale

62 records

Records set or tied on 11 April 1917 by type: Lowest daily maximum 9, Lowest daily minimum 9, Heaviest daily rainfall 39, Heaviest daily snowfall 1, Deepest snow cover 4.

Records on 11 April 1917 by type
Record type	Records
Highest daily maximum	0
Lowest daily maximum	9
Highest daily minimum	0
Lowest daily minimum	9
Heaviest daily rainfall	39
Heaviest daily snowfall	1
Deepest snow cover	4

Records on 11 April 1917 by timescale: all-time 0, monthly 2, daily 60.

How Much Records Were Beaten By

56 broken records

Margins by which the 56 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 95.5. Ties are not counted.

Top 20 by Significance

11 April 1917

Top 20 records on 11 April 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 April 1917	Nelson Bay (Nelson Head), AU	daily rain	117.3 mm (4.6 in)	95.5 mm (3.8 in)	0 years	43 of 100 (Notable)
11 April 1917	Moss Vale (Hoskins Street), AU	daily rain	65.5 mm (2.6 in)	44.7 mm (1.8 in)	26 years	43 of 100 (Notable)
11 April 1917	Nowra Council Offices, AU	daily rain	66.5 mm (2.6 in)	47.7 mm (1.9 in)	29 years	43 of 100 (Notable)
11 April 1917	Jamberoo (Lorna), AU	daily rain	109.7 mm (4.3 in)	81.3 mm (3.2 in)	0 years	42 of 100 (Notable)
11 April 1917	Berry Masonic Village, AU	daily rain	95.3 mm (3.8 in)	74.7 mm (2.9 in)	29 years	38 of 100 (Notable)
11 April 1917	Crown St. Reservoir, AU	daily rain	73.9 mm (2.9 in)	54.1 mm (2.1 in)	26 years	37 of 100 (Notable)
11 April 1917	Bowral Post Office, AU	daily rain	64.5 mm (2.5 in)	35.0 mm (1.4 in)	0 years	31 of 100 (Routine)
11 April 1917	Dungog (Cooreii), AU	daily rain	34.3 mm (1.4 in)	22.4 mm (0.9 in)	26 years	30 of 100 (Routine)
11 April 1917	Stornoway Airport, GB	daily low min	-5.0 C (23.0 F)	3.3 C (5.9 F)	40 years	29 of 100 (Routine)
11 April 1917	Armagh, GB	daily low max	3.1 C (37.6 F)	2.5 C (4.5 F)	40 years	28 of 100 (Routine)
11 April 1917	Sydney (Observatory Hill), AU	daily rain	80.3 mm (3.2 in)	21.9 mm (0.9 in)	35 years	26 of 100 (Routine)
11 April 1917	St John's, CA	daily rain	34.8 mm (1.4 in)	9.4 mm (0.37 in)	39 years	25 of 100 (Routine)
11 April 1917	Dublin Phoenix Park, IE	daily low max	3.3 C (37.9 F)	2.5 C (4.5 F)	40 years	25 of 100 (Routine)
11 April 1917	Galway, IE	daily low min	-3.3 C (26.1 F)	2.7 C (4.9 F)	29 years	23 of 100 (Routine)
11 April 1917	Milton Post Office, AU	daily rain	97.8 mm (3.9 in)	44.0 mm (1.7 in)	0 years	22 of 100 (Routine)
11 April 1917	Brisbane Regional Office, AU	daily low min	11.7 C (53.1 F)	2.7 C (4.9 F)	25 years	21 of 100 (Routine)
11 April 1917	Botany No.1 Dam, AU	daily rain	85.6 mm (3.4 in)	29.5 mm (1.2 in)	0 years	21 of 100 (Routine)
11 April 1917	Halden, NO	daily snow depth	6.0 cm (2.4 in)	6.0 cm (2.4 in)	34 years	20 of 100 (Routine)
11 April 1917	Pitea, SE	daily rain	10.1 mm (0.4 in)	4.8 mm (0.19 in)	52 years	20 of 100 (Routine)
11 April 1917	Jokkmokk, SE	daily rain	6.2 mm (0.24 in)	3.5 mm (0.14 in)	44 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

1800 to 1917

Records set or tied on this calendar date in each year from 1800 to 1917. 1917 had 62 records.

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

Records on 04-11 in each year
Year	Records
1800	1
1803	1
1808	1
1809	1
1812	3
1818	1
1831	1
1832	1
1834	1
1837	1
1845	1
1854	1
1857	1
1863	2
1865	2
1866	1
1868	1
1869	3
1871	1
1874	1
1876	2
1879	2
1880	2
1881	1
1882	2
1885	1
1886	1
1887	2
1888	4
1889	2
1890	2
1891	2
1892	3
1894	7
1895	5
1896	3
1898	7
1899	11
1900	6
1901	4
1902	6
1903	13
1904	12
1905	20
1906	19
1907	7
1908	12
1909	30
1910	19
1911	19
1912	47
1913	48
1914	38
1915	127
1916	64
1917	62
1918	43
1919	42
1920	73
1921	32
1922	140
1923	89
1924	169
1925	197
1926	198
1927	156
1928	220
1929	214
1930	761
1931	185
1932	497
1933	481
1934	246
1935	261
1936	175
1937	245
1938	289
1939	611
1940	932
1941	579
1942	301
1943	546
1944	626
1945	890
1946	383
1947	478
1948	921
1949	402
1950	322
1951	623
1952	502
1953	594
1954	392
1955	610
1956	420
1957	508
1958	473
1959	582
1960	469
1961	532
1962	384
1963	450
1964	255
1965	763
1966	599
1967	757
1968	663
1969	353
1970	522
1971	495
1972	792
1973	1,479
1974	982
1975	851
1976	478
1977	1,231
1978	854
1979	977
1980	399
1981	1,036
1982	1,132
1983	1,040
1984	623
1985	952
1986	1,062
1987	440
1988	1,162
1989	1,931
1990	1,347
1991	1,287
1992	978
1993	722
1994	952
1995	2,134
1996	1,182
1997	3,077
1998	916
1999	1,318
2000	667
2001	1,865
2002	568
2003	1,156
2004	888
2005	930
2006	666
2007	962
2008	1,373
2009	1,102
2010	623
2011	1,664
2012	806
2013	1,482
2014	633
2015	399
2016	534
2017	489
2018	795
2019	812
2020	625
2021	892
2022	1,179
2023	1,036
2024	782
2025	1,177
2026	604

Download the Data

Data for records on 1917-04-11: 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).