Weather Records on 9 April 1917

105 weather records were set or tied worldwide on 9 April 1917. Highest significance: Vineland, US.

Key Facts for 9 April 1917

On 9 April 1917, 105 weather records were set or tied at long-record stations worldwide.
0 were record highs and 61 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 103 daily.
Vineland set a monthly record daily snowfall of 20.3 cm (8.0 in) on 9 April 1917.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 466 records.

Record Map

105 stations

105 station records on 9 April 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 April 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vineland	United States	Record daily snowfall	20.3 cm (8.0 in)	45 of 100 (Notable)
Oxford	United Kingdom	Record low maximum temperature	3.6 C (38.5 F)	33 of 100 (Routine)
Moorestown 4 E	United States	Record daily snowfall	20.3 cm (8.0 in)	30 of 100 (Routine)
Philadelphia City	United States	Record daily snowfall	17.8 cm (7.0 in)	28 of 100 (Routine)
Bathurst Gaol	Australia	Record low maximum temperature	13.3 C (55.9 F)	23 of 100 (Routine)
Wagga Wagga (Kooringal)	Australia	Record low maximum temperature	16.7 C (62.1 F)	23 of 100 (Routine)
Camden 3 W	United States	Record daily precipitation	25.1 mm (1.0 in)	22 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record low minimum temperature	6.0 C (42.8 F)	21 of 100 (Routine)
Prince Albert	Canada	Record daily snowfall	7.6 cm (3.0 in)	21 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record daily precipitation	20.6 mm (0.8 in)	20 of 100 (Routine)
Colac Botanical Gardens	Australia	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Wilsons Promontory Lighthouse	Australia	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Dromana	Australia	Record daily precipitation	29.0 mm (1.1 in)	20 of 100 (Routine)
Pointe Au Pere	Canada	Record low maximum temperature	-5.0 C (23.0 F)	20 of 100 (Routine)
Stornoway Airport	United Kingdom	Record low maximum temperature	1.7 C (35.1 F)	20 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record low maximum temperature	16.7 C (62.1 F)	19 of 100 (Routine)
Owen Sound	Canada	Record low maximum temperature	-3.3 C (26.1 F)	19 of 100 (Routine)
Hamilton	Canada	Record low maximum temperature	1.1 C (34.0 F)	19 of 100 (Routine)
Cet Central England	United Kingdom	Record low maximum temperature	4.4 C (39.9 F)	19 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record low maximum temperature	11.9 C (53.4 F)	18 of 100 (Routine)
Baltimore Customs House	United States	Record low minimum temperature	-2.2 C (28.0 F)	18 of 100 (Routine)
Armagh	United Kingdom	Record low maximum temperature	4.6 C (40.3 F)	17 of 100 (Routine)
Sheffield	United Kingdom	Record low maximum temperature	2.8 C (37.0 F)	17 of 100 (Routine)
Cape May 2 NW	United States	Record low minimum temperature	-2.2 C (28.0 F)	17 of 100 (Routine)
Lobethal	Australia	Record daily precipitation	17.0 mm (0.7 in)	16 of 100 (Routine)
Gobarralong	Australia	Record daily precipitation	11.4 mm (0.4 in)	16 of 100 (Routine)
Mandamar	Australia	Record daily precipitation	9.4 mm (0.37 in)	16 of 100 (Routine)
Cape Schanck Lighthouse	Australia	Record daily precipitation	16.5 mm (0.6 in)	15 of 100 (Routine)
Edmonton	Canada	Record daily snowfall	8.9 cm (3.5 in)	15 of 100 (Routine)
Galway	Ireland	Record low maximum temperature	7.2 C (45.0 F)	15 of 100 (Routine)
World Trade Ctr	United States	Record low minimum temperature	-3.9 C (25.0 F)	15 of 100 (Routine)
Sacramento 5 ESE	United States	Record low minimum temperature	3.9 C (39.0 F)	15 of 100 (Routine)
Washington	United States	Record low maximum temperature	5.0 C (41.0 F)	15 of 100 (Routine)
Bathurst Gaol	Australia	Record low minimum temperature	-1.1 C (30.0 F)	14 of 100 (Routine)
Cowes	Australia	Record daily precipitation	24.1 mm (0.9 in)	14 of 100 (Routine)
Barrie	Canada	Record low maximum temperature	-3.3 C (26.1 F)	14 of 100 (Routine)
Lucknow	Canada	Record low maximum temperature	-3.3 C (26.1 F)	14 of 100 (Routine)
Lucknow	Canada	Record low minimum temperature	-14.4 C (6.1 F)	14 of 100 (Routine)
Southampton	Canada	Record low maximum temperature	-2.2 C (28.0 F)	14 of 100 (Routine)
Woodstock	Canada	Record low maximum temperature	-1.1 C (30.0 F)	14 of 100 (Routine)
Atlantic City Marina	United States	Record low maximum temperature	4.4 C (39.9 F)	14 of 100 (Routine)
Ny City Cntrl Park	United States	Record daily snowfall	16.3 cm (6.4 in)	14 of 100 (Routine)
Meningie	Australia	Record daily precipitation	7.6 mm (0.30 in)	13 of 100 (Routine)
Grong Grong (Berembed)	Australia	Record daily precipitation	3.8 mm (0.15 in)	13 of 100 (Routine)
Jamieson	Australia	Record daily precipitation	29.2 mm (1.1 in)	13 of 100 (Routine)
Edmonton	Canada	Record daily precipitation	8.9 mm (0.35 in)	13 of 100 (Routine)
Ottawa	Canada	Record low maximum temperature	-1.1 C (30.0 F)	13 of 100 (Routine)
Lindsay	Canada	Record low maximum temperature	-1.7 C (28.9 F)	13 of 100 (Routine)
Atlantic City Marina	United States	Record daily snowfall	13.0 cm (5.1 in)	13 of 100 (Routine)
Neba Coonamble	Australia	Record daily precipitation	4.6 mm (0.18 in)	12 of 100 (Routine)
Morangarell	Australia	Record daily precipitation	5.1 mm (0.20 in)	12 of 100 (Routine)
Dartmoor	Australia	Record daily precipitation	13.5 mm (0.5 in)	12 of 100 (Routine)
Calgary Int'l A	Canada	Record daily precipitation	2.5 mm (0.10 in)	12 of 100 (Routine)
Alton	Canada	Record low minimum temperature	-12.2 C (10.0 F)	12 of 100 (Routine)
Przhevalsk	Kyrgyzstan	Record daily precipitation	9.3 mm (0.37 in)	12 of 100 (Routine)
Kristianstad	Sweden	Record low maximum temperature	3.0 C (37.4 F)	12 of 100 (Routine)
Cape May 2 NW	United States	Record low maximum temperature	4.4 C (39.9 F)	12 of 100 (Routine)
Adelaide West Terrace	Australia	Record low maximum temperature	17.2 C (63.0 F)	11 of 100 (Routine)
Mitcham Post Office	Australia	Record daily precipitation	10.2 mm (0.4 in)	11 of 100 (Routine)
Alton	Canada	Record low maximum temperature	-1.7 C (28.9 F)	11 of 100 (Routine)

Counts by Type and Timescale

105 records

Records set or tied on 9 April 1917 by type: Lowest daily maximum 46, Lowest daily minimum 15, Heaviest daily rainfall 35, Heaviest daily snowfall 9.

Records on 9 April 1917 by type
Record type	Records
Highest daily maximum	0
Lowest daily maximum	46
Highest daily minimum	0
Lowest daily minimum	15
Heaviest daily rainfall	35
Heaviest daily snowfall	9
Deepest snow cover	0

Records on 9 April 1917 by timescale: all-time 0, monthly 2, daily 103.

How Much Records Were Beaten By

88 broken records

Margins by which the 88 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 139.0. Ties are not counted.

Top 20 by Significance

9 April 1917

Top 20 records on 9 April 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 April 1917	Vineland, US	monthly snowfall	20.3 cm (8.0 in)	13.9 cm (5.5 in)	10 years	45 of 100 (Notable)
9 April 1917	Oxford, GB	daily low max	3.6 C (38.5 F)	0.2 C (0.4 F)	79 years	33 of 100 (Routine)
9 April 1917	Moorestown 4 E, US	daily snowfall	20.3 cm (8.0 in)	12.2 cm (4.8 in)	6 years	30 of 100 (Routine)
9 April 1917	Philadelphia City, US	daily snowfall	17.8 cm (7.0 in)	12.2 cm (4.8 in)	6 years	28 of 100 (Routine)
9 April 1917	Bathurst Gaol, AU	daily low max	13.3 C (55.9 F)	3.6 C (6.5 F)	27 years	23 of 100 (Routine)
9 April 1917	Wagga Wagga (Kooringal), AU	daily low max	16.7 C (62.1 F)	2.7 C (4.9 F)	44 years	23 of 100 (Routine)
9 April 1917	Camden 3 W, US	daily rain	25.1 mm (1.0 in)	15.2 mm (0.6 in)	19 years	22 of 100 (Routine)
9 April 1917	Nemours (Ghazaouet), DZ	daily low min	6.0 C (42.8 F)	2.0 C (3.6 F)	29 years	21 of 100 (Routine)
9 April 1917	Prince Albert, CA	daily snowfall	7.6 cm (3.0 in)	5.1 cm (2.0 in)	12 years	21 of 100 (Routine)
9 April 1917	Cape Otway Lighthouse, AU	daily rain	20.6 mm (0.8 in)	3.8 mm (0.15 in)	43 years	20 of 100 (Routine)
9 April 1917	Colac Botanical Gardens, AU	daily rain	20.1 mm (0.8 in)	10.2 mm (0.4 in)	20 years	20 of 100 (Routine)
9 April 1917	Wilsons Promontory Lighthouse, AU	daily rain	22.6 mm (0.9 in)	8.1 mm (0.32 in)	27 years	20 of 100 (Routine)
9 April 1917	Dromana, AU	daily rain	29.0 mm (1.1 in)	8.7 mm (0.34 in)	26 years	20 of 100 (Routine)
9 April 1917	Pointe Au Pere, CA	daily low max	-5.0 C (23.0 F)	3.3 C (5.9 F)	28 years	20 of 100 (Routine)
9 April 1917	Stornoway Airport, GB	daily low max	1.7 C (35.1 F)	3.3 C (5.9 F)	12 years	20 of 100 (Routine)
9 April 1917	Deniliquin (Wilkinson St), AU	daily low max	16.7 C (62.1 F)	2.6 C (4.7 F)	27 years	19 of 100 (Routine)
9 April 1917	Owen Sound, CA	daily low max	-3.3 C (26.1 F)	3.9 C (7.0 F)	34 years	19 of 100 (Routine)
9 April 1917	Hamilton, CA	daily low max	1.1 C (34.0 F)	0.6 C (1.1 F)	48 years	19 of 100 (Routine)
9 April 1917	Cet Central England, GB	daily low max	4.4 C (39.9 F)	2.5 C (4.5 F)	30 years	19 of 100 (Routine)
9 April 1917	Cape Otway Lighthouse, AU	daily low max	11.9 C (53.4 F)	2.0 C (3.6 F)	27 years	18 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 1917

Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 105 records.

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

Records on 04-09 in each year
Year	Records
1793	2
1798	1
1800	1
1805	1
1809	2
1812	2
1815	1
1818	1
1839	1
1842	2
1844	1
1846	1
1847	1
1849	1
1854	1
1856	1
1859	1
1862	1
1863	1
1864	1
1865	2
1866	2
1869	1
1871	2
1873	1
1877	1
1883	1
1884	1
1885	3
1886	1
1887	1
1888	3
1889	1
1890	7
1892	1
1893	1
1894	2
1895	4
1896	1
1897	3
1898	3
1899	9
1900	3
1901	8
1902	8
1903	12
1904	15
1905	21
1906	20
1907	21
1908	28
1909	25
1910	19
1911	21
1912	51
1913	16
1914	41
1915	89
1916	85
1917	105
1918	29
1919	67
1920	56
1921	114
1922	140
1923	79
1924	353
1925	129
1926	83
1927	260
1928	395
1929	402
1930	430
1931	193
1932	119
1933	320
1934	310
1935	398
1936	151
1937	172
1938	378
1939	282
1940	214
1941	297
1942	432
1943	752
1944	564
1945	1,055
1946	335
1947	174
1948	365
1949	179
1950	750
1951	304
1952	578
1953	638
1954	239
1955	484
1956	371
1957	502
1958	294
1959	634
1960	623
1961	879
1962	344
1963	390
1964	645
1965	651
1966	466
1967	743
1968	669
1969	898
1970	489
1971	576
1972	1,200
1973	1,695
1974	972
1975	968
1976	347
1977	1,693
1978	921
1979	855
1980	911
1981	785
1982	1,923
1983	1,170
1984	904
1985	1,424
1986	620
1987	604
1988	737
1989	1,402
1990	888
1991	1,545
1992	641
1993	687
1994	511
1995	1,296
1996	1,547
1997	2,686
1998	1,018
1999	1,848
2000	997
2001	1,947
2002	590
2003	1,781
2004	572
2005	998
2006	603
2007	1,412
2008	1,029
2009	802
2010	652
2011	1,480
2012	640
2013	1,245
2014	592
2015	664
2016	974
2017	759
2018	1,306
2019	716
2020	916
2021	642
2022	574
2023	512
2024	1,093
2025	530
2026	517

Download the Data

Data for records on 1917-04-09: 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 20	81
20 to 40	3
40 to 60	1
60 to 80	0
80 to 100	0
100 to 120	0
120 to 140	3