Weather Records on 5 May 1917

70 weather records were set or tied worldwide on 5 May 1917. Highest significance: Washington, US.

Key Facts for 5 May 1917

On 5 May 1917, 70 weather records were set or tied at long-record stations worldwide.
4 were record highs and 35 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 65 daily.
Washington set a monthly record low maximum temperature of 7.8 C (46.0 F) on 5 May 1917.
Across 160 earlier years (1795 to 2026) the same calendar date averaged 445 records.

Record Map

70 stations

70 station records on 5 May 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 5 May 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Washington	United States	Record low maximum temperature	7.8 C (46.0 F)	30 of 100 (Routine)
Hamilton	Canada	Record low maximum temperature	4.4 C (39.9 F)	24 of 100 (Routine)
Lexington Bluegrass AP	United States	Record low maximum temperature	6.1 C (43.0 F)	21 of 100 (Routine)
Apsley	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Tallinn	Estonia	Record daily precipitation	17.5 mm (0.7 in)	20 of 100 (Routine)
Oktjabrskij-Gorodok	Russia	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Scotsburn (Mount Boninyong)	Australia	Record daily precipitation	16.5 mm (0.6 in)	19 of 100 (Routine)
Peterborough	Canada	Record low maximum temperature	8.3 C (46.9 F)	19 of 100 (Routine)
Mahackala	Russia	Record daily precipitation	9.2 mm (0.36 in)	18 of 100 (Routine)
Kologha (Bos)	South Africa	Record daily precipitation	20.8 mm (0.8 in)	18 of 100 (Routine)
Deniliquin (Wilkinson St)	Australia	Record high minimum temperature	13.3 C (55.9 F)	17 of 100 (Routine)
Cathcart	South Africa	Record daily precipitation	16.5 mm (0.6 in)	17 of 100 (Routine)
Paterson	United States	Record daily precipitation	38.1 mm (1.5 in)	17 of 100 (Routine)
Baltimore Customs House	United States	Record low maximum temperature	7.8 C (46.0 F)	17 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record low minimum temperature	0.0 C (32.0 F)	17 of 100 (Routine)
Chattanooga Wb City	United States	Record low maximum temperature	14.4 C (57.9 F)	17 of 100 (Routine)
Old Baratta Homestead	Australia	Record daily precipitation	6.6 mm (0.26 in)	16 of 100 (Routine)
Setauket Strong	United States	Record low maximum temperature	6.1 C (43.0 F)	16 of 100 (Routine)
Blinman (Wirrealpa)	Australia	Record daily precipitation	2.3 mm (0.09 in)	15 of 100 (Routine)
Georgetown	Australia	Record daily precipitation	14.0 mm (0.6 in)	15 of 100 (Routine)
Stratford	Canada	Record low maximum temperature	8.3 C (46.9 F)	15 of 100 (Routine)
Galway	Ireland	Record high maximum temperature	23.9 C (75.0 F)	15 of 100 (Routine)
Parnu	Estonia	Record daily precipitation	9.0 mm (0.35 in)	15 of 100 (Routine)
Blue Hill Coop	United States	Record daily precipitation	37.3 mm (1.5 in)	15 of 100 (Routine)
Vineland	United States	Record low maximum temperature	7.8 C (46.0 F)	15 of 100 (Routine)
Weldon	United States	Record daily precipitation	33.0 mm (1.3 in)	15 of 100 (Routine)
Atlantic City Marina	United States	Record low maximum temperature	8.9 C (48.0 F)	15 of 100 (Routine)
Philadelphia City	United States	Record low maximum temperature	7.2 C (45.0 F)	15 of 100 (Routine)
Little Rock St Capitol	United States	Record low maximum temperature	15.0 C (59.0 F)	14 of 100 (Routine)
Middletown 4 W	United States	Record low maximum temperature	7.8 C (46.0 F)	14 of 100 (Routine)
Moorestown 4 E	United States	Record daily precipitation	29.5 mm (1.2 in)	14 of 100 (Routine)
World Trade Ctr	United States	Record low maximum temperature	7.8 C (46.0 F)	14 of 100 (Routine)
Cleveland 2717 Euclid	United States	Record low maximum temperature	4.4 C (39.9 F)	14 of 100 (Routine)
Carrieton	Australia	Record daily precipitation	6.6 mm (0.26 in)	13 of 100 (Routine)
Hammond	Australia	Record daily precipitation	3.0 mm (0.12 in)	13 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	15.0 mm (0.6 in)	13 of 100 (Routine)
Komga (Pol)	South Africa	Record daily precipitation	22.4 mm (0.9 in)	13 of 100 (Routine)
Hingham (1)	United States	Record daily precipitation	37.8 mm (1.5 in)	13 of 100 (Routine)
State College	United States	Record low maximum temperature	5.0 C (41.0 F)	13 of 100 (Routine)
Concordia ASOS	United States	Record low minimum temperature	0.0 C (32.0 F)	13 of 100 (Routine)
Vineland	United States	Record daily precipitation	23.6 mm (0.9 in)	12 of 100 (Routine)
Toledo Blade	United States	Record low maximum temperature	5.0 C (41.0 F)	12 of 100 (Routine)
London South	Canada	Record low maximum temperature	5.0 C (41.0 F)	11 of 100 (Routine)
Winnemucca AP	United States	Record low minimum temperature	-3.3 C (26.1 F)	11 of 100 (Routine)
Port Augusta (Carriewerloo STN	Australia	Record daily precipitation	7.6 mm (0.30 in)	10 of 100 (Routine)
Warranooke (Glenorchy)	Australia	Record daily precipitation	19.3 mm (0.8 in)	10 of 100 (Routine)
Santa Fe	United States	Record low maximum temperature	8.9 C (48.0 F)	10 of 100 (Routine)
Lexington Bluegrass AP	United States	Record low minimum temperature	1.7 C (35.1 F)	9 of 100 (Routine)
Yalata	Australia	Record daily precipitation	17.3 mm (0.7 in)	8 of 100 (Routine)
Quorn (Round Hill)	Australia	Record daily precipitation	4.1 mm (0.16 in)	8 of 100 (Routine)
Morgantown 1	United States	Record low maximum temperature	8.9 C (48.0 F)	8 of 100 (Routine)
Santa Fe	United States	Record low minimum temperature	-2.2 C (28.0 F)	7 of 100 (Routine)
Carrieton (Yackara)	Australia	Record daily precipitation	2.3 mm (0.09 in)	6 of 100 (Routine)
Greenville Dwtn AP	United States	Record daily precipitation	15.5 mm (0.6 in)	6 of 100 (Routine)
Buangor 1	Australia	Record daily precipitation	15.2 mm (0.6 in)	5 of 100 (Routine)
Barrie	Canada	Record low maximum temperature	8.9 C (48.0 F)	3 of 100 (Routine)
Saentis	Switzerland	Record high minimum temperature	1.4 C (34.5 F)	3 of 100 (Routine)
Setauket Strong	United States	Record daily precipitation	22.9 mm (0.9 in)	3 of 100 (Routine)
Port Stanley	Canada	Record low maximum temperature	5.0 C (41.0 F)	2 of 100 (Routine)
Welland	Canada	Record low maximum temperature	5.6 C (42.1 F)	2 of 100 (Routine)

Counts by Type and Timescale

70 records

Records set or tied on 5 May 1917 by type: Highest daily maximum 2, Lowest daily maximum 25, Highest daily minimum 2, Lowest daily minimum 10, Heaviest daily rainfall 31.

Records on 5 May 1917 by type
Record type	Records
Highest daily maximum	2
Lowest daily maximum	25
Highest daily minimum	2
Lowest daily minimum	10
Heaviest daily rainfall	31
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 5 May 1917 by timescale: all-time 0, monthly 5, daily 65.

How Much Records Were Beaten By

57 broken records

Margins by which the 57 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.8. Ties are not counted.

Top 20 by Significance

5 May 1917

Top 20 records on 5 May 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
5 May 1917	Washington, US	monthly low max	7.8 C (46.0 F)	1.1 C (2.0 F)	43 years	30 of 100 (Routine)
5 May 1917	Hamilton, CA	daily low max	4.4 C (39.9 F)	3.9 C (7.0 F)	45 years	24 of 100 (Routine)
5 May 1917	Lexington Bluegrass AP, US	daily low max	6.1 C (43.0 F)	5.6 C (10.1 F)	25 years	21 of 100 (Routine)
5 May 1917	Apsley, AU	daily rain	24.4 mm (1.0 in)	20.8 mm (0.8 in)	29 years	20 of 100 (Routine)
5 May 1917	Tallinn, EE	daily rain	17.5 mm (0.7 in)	7.1 mm (0.28 in)	32 years	20 of 100 (Routine)
5 May 1917	Oktjabrskij-Gorodok, RU	daily rain	14.5 mm (0.6 in)	5.6 mm (0.22 in)	24 years	20 of 100 (Routine)
5 May 1917	Scotsburn (Mount Boninyong), AU	daily rain	16.5 mm (0.6 in)	5.1 mm (0.20 in)	23 years	19 of 100 (Routine)
5 May 1917	Peterborough, CA	daily low max	8.3 C (46.9 F)	1.1 C (2.0 F)	45 years	19 of 100 (Routine)
5 May 1917	Mahackala, RU	daily rain	9.2 mm (0.36 in)	6.3 mm (0.25 in)	11 years	18 of 100 (Routine)
5 May 1917	Kologha (Bos), ZA	daily rain	20.8 mm (0.8 in)	11.7 mm (0.5 in)	0 years	18 of 100 (Routine)
5 May 1917	Deniliquin (Wilkinson St), AU	daily high min	13.3 C (55.9 F)	1.1 C (2.0 F)	31 years	17 of 100 (Routine)
5 May 1917	Cathcart, ZA	daily rain	16.5 mm (0.6 in)	8.6 mm (0.34 in)	10 years	17 of 100 (Routine)
5 May 1917	Paterson, US	daily rain	38.1 mm (1.5 in)	17.8 mm (0.7 in)	3 years	17 of 100 (Routine)
5 May 1917	Baltimore Customs House, US	monthly low max	7.8 C (46.0 F)	1.6 C (2.9 F)	0 years	17 of 100 (Routine)
5 May 1917	Lincoln UNIV Pwr Plt, US	daily low min	0.0 C (32.0 F)	2.2 C (4.0 F)	33 years	17 of 100 (Routine)
5 May 1917	Chattanooga Wb City, US	daily low max	14.4 C (57.9 F)	5.6 C (10.1 F)	6 years	17 of 100 (Routine)
5 May 1917	Old Baratta Homestead, AU	daily rain	6.6 mm (0.26 in)	3.8 mm (0.15 in)	23 years	16 of 100 (Routine)
5 May 1917	Setauket Strong, US	monthly low max	6.1 C (43.0 F)	1.7 C (3.1 F)	0 years	16 of 100 (Routine)
5 May 1917	Blinman (Wirrealpa), AU	daily rain	2.3 mm (0.09 in)	2.3 mm (0.09 in)	32 years	15 of 100 (Routine)
5 May 1917	Georgetown, AU	daily rain	14.0 mm (0.6 in)	8.2 mm (0.32 in)	8 years	15 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

1795 to 1917

Records set or tied on this calendar date in each year from 1795 to 1917. 1917 had 70 records.

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

Records on 05-05 in each year
Year	Records
1795	2
1805	1
1836	1
1837	1
1840	1
1850	4
1852	1
1855	1
1856	2
1859	2
1861	5
1862	1
1864	2
1867	1
1875	2
1877	2
1878	1
1879	2
1880	1
1882	1
1884	2
1885	1
1886	3
1888	3
1889	5
1890	2
1891	3
1892	5
1894	3
1895	2
1896	1
1897	2
1898	6
1899	5
1900	3
1901	2
1902	5
1903	9
1904	14
1905	17
1906	4
1907	16
1908	14
1909	17
1910	19
1911	17
1912	17
1913	46
1914	39
1915	73
1916	98
1917	70
1918	24
1919	77
1920	41
1921	63
1922	98
1923	139
1924	132
1925	143
1926	220
1927	115
1928	149
1929	256
1930	469
1931	250
1932	166
1933	339
1934	448
1935	417
1936	377
1937	159
1938	362
1939	222
1940	446
1941	415
1942	529
1943	427
1944	1,237
1945	355
1946	306
1947	528
1948	671
1949	1,099
1950	893
1951	174
1952	723
1953	659
1954	607
1955	382
1956	363
1957	561
1958	404
1959	587
1960	773
1961	644
1962	261
1963	249
1964	643
1965	724
1966	1,413
1967	613
1968	434
1969	530
1970	386
1971	444
1972	292
1973	542
1974	716
1975	711
1976	402
1977	708
1978	1,033
1979	1,534
1980	562
1981	524
1982	659
1983	475
1984	767
1985	463
1986	968
1987	895
1988	820
1989	941
1990	1,511
1991	1,176
1992	1,004
1993	725
1994	743
1995	888
1996	1,368
1997	1,220
1998	1,707
1999	1,301
2000	1,442
2001	963
2002	883
2003	1,792
2004	1,401
2005	1,009
2006	657
2007	850
2008	453
2009	751
2010	1,053
2011	857
2012	1,281
2013	1,265
2014	680
2015	783
2016	554
2017	849
2018	481
2019	538
2020	403
2021	733
2022	514
2023	579
2024	961
2025	717
2026	538

Download the Data

Data for records on 1917-05-05: 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	37
5 to 10	14
10 to 15	4
15 to 20	1
20 to 25	1