Weather Records on 17 May 1916

49 weather records were set or tied worldwide on 17 May 1916. Highest significance: Portland, US.

Key Facts for 17 May 1916

On 17 May 1916, 49 weather records were set or tied at long-record stations worldwide.
9 were record highs and 12 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 5 monthly and 43 daily.
Portland set a monthly record daily precipitation of 121.4 mm (4.8 in) on 17 May 1916.
Across 167 earlier years (1802 to 2026) the same calendar date averaged 437 records.

Record Map

49 stations

49 station records on 17 May 1916 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 May 1916: highest significance records shown on the map
Station	Country	Type	Value	Significance
Portland	United States	Record daily precipitation	121.4 mm (4.8 in)	60 of 100 (Major)
Maccue	Canada	Record daily precipitation	99.8 mm (3.9 in)	54 of 100 (Notable)
Kingston Queens U	Canada	Record daily precipitation	49.3 mm (1.9 in)	46 of 100 (Notable)
Blue Hill Coop	United States	Record daily precipitation	52.6 mm (2.1 in)	45 of 100 (Notable)
Leominster	United States	Record daily precipitation	74.7 mm (2.9 in)	44 of 100 (Notable)
Ottawa	Canada	Record daily precipitation	53.3 mm (2.1 in)	35 of 100 (Notable)
Burlington	United States	Record daily precipitation	41.1 mm (1.6 in)	34 of 100 (Routine)
Concord	United States	Record daily precipitation	60.2 mm (2.4 in)	32 of 100 (Routine)
Quebec	Canada	Record daily precipitation	47.5 mm (1.9 in)	30 of 100 (Routine)
Montreal McGill	Canada	Record daily precipitation	48.3 mm (1.9 in)	29 of 100 (Routine)
Hanover	United States	Record daily precipitation	45.0 mm (1.8 in)	27 of 100 (Routine)
Lake Cochituate	United States	Record daily precipitation	56.4 mm (2.2 in)	25 of 100 (Routine)
Coulta	Australia	Record daily precipitation	23.4 mm (0.9 in)	20 of 100 (Routine)
Karesuando	Sweden	Record daily precipitation	11.5 mm (0.5 in)	20 of 100 (Routine)
Cobar (Paddington)	Australia	Record daily precipitation	13.5 mm (0.5 in)	18 of 100 (Routine)
Middletown 4 W	United States	Record daily precipitation	35.6 mm (1.4 in)	18 of 100 (Routine)
Brome	Canada	Record daily precipitation	33.0 mm (1.3 in)	17 of 100 (Routine)
Hvar	Croatia	Record high maximum temperature	26.7 C (80.1 F)	16 of 100 (Routine)
Dinby	Australia	Record daily precipitation	24.1 mm (0.9 in)	15 of 100 (Routine)
Swift Current	Canada	Record low minimum temperature	-2.8 C (27.0 F)	15 of 100 (Routine)
Port Jervis	United States	Record daily precipitation	13.5 mm (0.5 in)	14 of 100 (Routine)
Hambantota	Sri Lanka	Record low maximum temperature	27.2 C (81.0 F)	13 of 100 (Routine)
Hvar	Croatia	Record high minimum temperature	20.1 C (68.2 F)	13 of 100 (Routine)
Cet Central England	United Kingdom	Record high maximum temperature	23.9 C (75.0 F)	13 of 100 (Routine)
Innsbruck	Austria	Record high maximum temperature	26.0 C (78.8 F)	12 of 100 (Routine)
Medicine Hat A	Canada	Record low minimum temperature	1.1 C (34.0 F)	12 of 100 (Routine)
Setauket Strong	United States	Record daily precipitation	19.1 mm (0.8 in)	12 of 100 (Routine)
Wilmington	Australia	Record daily precipitation	8.9 mm (0.35 in)	11 of 100 (Routine)
Tapio	Australia	Record daily precipitation	8.9 mm (0.35 in)	11 of 100 (Routine)
Avoca (Post Office)	Australia	Record daily precipitation	16.5 mm (0.6 in)	11 of 100 (Routine)
Kola-In-Murman	Russia	Record daily precipitation	9.1 mm (0.36 in)	10 of 100 (Routine)
Wentworth Post Office	Australia	Record daily precipitation	8.9 mm (0.35 in)	9 of 100 (Routine)
Nicosia	Cyprus	Record high maximum temperature	40.0 C (104.0 F)	9 of 100 (Routine)
Barrie	Canada	Record low maximum temperature	10.0 C (50.0 F)	8 of 100 (Routine)
Stratford	Canada	Record low maximum temperature	7.2 C (45.0 F)	8 of 100 (Routine)
Sheffield	United Kingdom	Record high maximum temperature	23.9 C (75.0 F)	7 of 100 (Routine)
Port Arthur	Canada	Record low maximum temperature	6.7 C (44.1 F)	6 of 100 (Routine)
Tbilisi	Georgia	Record high minimum temperature	17.1 C (62.8 F)	5 of 100 (Routine)
Wilcannia (Mena Murtee)	Australia	Record daily precipitation	6.9 mm (0.27 in)	4 of 100 (Routine)
Wilcannia (Mount Murchison)	Australia	Record daily precipitation	5.3 mm (0.21 in)	4 of 100 (Routine)
Mahackala	Russia	Record high minimum temperature	16.2 C (61.2 F)	4 of 100 (Routine)
Durham	United Kingdom	Record high maximum temperature	24.4 C (75.9 F)	4 of 100 (Routine)
Mount Poole	Australia	Record daily precipitation	2.5 mm (0.10 in)	3 of 100 (Routine)
Port Dover	Canada	Record low maximum temperature	10.0 C (50.0 F)	3 of 100 (Routine)
Parry Sound	Canada	Record low maximum temperature	7.2 C (45.0 F)	2 of 100 (Routine)
Qu'appelle	Canada	Record low minimum temperature	-2.2 C (28.0 F)	1 of 100 (Routine)
Quebec	Canada	Record low maximum temperature	7.8 C (46.0 F)	1 of 100 (Routine)
Portland	United States	Record low maximum temperature	7.2 C (45.0 F)	1 of 100 (Routine)
Escanaba	United States	Record low maximum temperature	6.1 C (43.0 F)	1 of 100 (Routine)

Counts by Type and Timescale

49 records

Records set or tied on 17 May 1916 by type: Highest daily maximum 6, Lowest daily maximum 9, Highest daily minimum 3, Lowest daily minimum 3, Heaviest daily rainfall 28.

Records on 17 May 1916 by type
Record type	Records
Highest daily maximum	6
Lowest daily maximum	9
Highest daily minimum	3
Lowest daily minimum	3
Heaviest daily rainfall	28
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 May 1916 by timescale: all-time 1, monthly 5, daily 43.

How Much Records Were Beaten By

43 broken records

Margins by which the 43 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 51.8. Ties are not counted.

Top 20 by Significance

17 May 1916

Top 20 records on 17 May 1916 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 May 1916	Portland, US	monthly rain	121.4 mm (4.8 in)	51.8 mm (2.0 in)	21 years	60 of 100 (Major)
17 May 1916	Maccue, CA	all-time rain	99.8 mm (3.9 in)	23.6 mm (0.9 in)	28 years	54 of 100 (Notable)
17 May 1916	Kingston Queens U, CA	daily rain	49.3 mm (1.9 in)	30.2 mm (1.2 in)	8 years	46 of 100 (Notable)
17 May 1916	Blue Hill Coop, US	daily rain	52.6 mm (2.1 in)	39.9 mm (1.6 in)	9 years	45 of 100 (Notable)
17 May 1916	Leominster, US	daily rain	74.7 mm (2.9 in)	36.6 mm (1.4 in)	22 years	44 of 100 (Notable)
17 May 1916	Ottawa, CA	monthly rain	53.3 mm (2.1 in)	13.7 mm (0.5 in)	8 years	35 of 100 (Notable)
17 May 1916	Burlington, US	daily rain	41.1 mm (1.6 in)	22.0 mm (0.9 in)	7 years	34 of 100 (Routine)
17 May 1916	Concord, US	monthly rain	60.2 mm (2.4 in)	13.5 mm (0.5 in)	9 years	32 of 100 (Routine)
17 May 1916	Quebec, CA	monthly rain	47.5 mm (1.9 in)	10.9 mm (0.4 in)	3 years	30 of 100 (Routine)
17 May 1916	Montreal McGill, CA	monthly rain	48.3 mm (1.9 in)	10.2 mm (0.4 in)	3 years	29 of 100 (Routine)
17 May 1916	Hanover, US	daily rain	45.0 mm (1.8 in)	15.8 mm (0.6 in)	24 years	27 of 100 (Routine)
17 May 1916	Lake Cochituate, US	daily rain	56.4 mm (2.2 in)	23.6 mm (0.9 in)	22 years	25 of 100 (Routine)
17 May 1916	Coulta, AU	daily rain	23.4 mm (0.9 in)	13.2 mm (0.5 in)	23 years	20 of 100 (Routine)
17 May 1916	Karesuando, SE	daily rain	11.5 mm (0.5 in)	6.4 mm (0.25 in)	25 years	20 of 100 (Routine)
17 May 1916	Cobar (Paddington), AU	daily rain	13.5 mm (0.5 in)	9.2 mm (0.36 in)	20 years	18 of 100 (Routine)
17 May 1916	Middletown 4 W, US	daily rain	35.6 mm (1.4 in)	14.8 mm (0.6 in)	4 years	18 of 100 (Routine)
17 May 1916	Brome, CA	daily rain	33.0 mm (1.3 in)	10.1 mm (0.4 in)	4 years	17 of 100 (Routine)
17 May 1916	Hvar, HR	daily high max	26.7 C (80.1 F)	0.4 C (0.7 F)	37 years	16 of 100 (Routine)
17 May 1916	Dinby, AU	daily rain	24.1 mm (0.9 in)	7.6 mm (0.30 in)	23 years	15 of 100 (Routine)
17 May 1916	Swift Current, CA	daily low min	-2.8 C (27.0 F)	2.2 C (4.0 F)	27 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

1802 to 1916

Records set or tied on this calendar date in each year from 1802 to 1916. 1916 had 49 records.

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

Records on 05-17 in each year
Year	Records
1802	2
1803	1
1808	1
1816	1
1834	1
1837	1
1839	1
1847	2
1848	1
1851	1
1853	1
1855	1
1858	1
1859	1
1861	2
1862	2
1863	2
1864	1
1871	2
1872	2
1873	2
1874	4
1877	1
1878	1
1879	2
1880	1
1881	1
1882	2
1883	3
1885	1
1887	1
1888	2
1889	3
1891	8
1892	4
1893	3
1895	8
1896	2
1897	3
1898	6
1899	7
1900	12
1901	2
1902	3
1903	9
1904	12
1905	10
1906	22
1907	10
1908	5
1909	33
1910	16
1911	30
1912	16
1913	24
1914	24
1915	53
1916	49
1917	18
1918	56
1919	35
1920	46
1921	50
1922	30
1923	95
1924	80
1925	326
1926	133
1927	264
1928	127
1929	168
1930	421
1931	201
1932	288
1933	365
1934	373
1935	341
1936	270
1937	183
1938	340
1939	285
1940	338
1941	408
1942	589
1943	855
1944	521
1945	799
1946	586
1947	249
1948	412
1949	544
1950	371
1951	373
1952	777
1953	441
1954	298
1955	570
1956	1,166
1957	469
1958	331
1959	488
1960	402
1961	291
1962	1,325
1963	368
1964	417
1965	462
1966	489
1967	644
1968	564
1969	638
1970	711
1971	723
1972	610
1973	1,016
1974	1,302
1975	365
1976	426
1977	1,078
1978	872
1979	459
1980	768
1981	940
1982	476
1983	1,326
1984	925
1985	561
1986	921
1987	1,054
1988	1,096
1989	1,307
1990	1,135
1991	1,237
1992	1,025
1993	495
1994	858
1995	1,734
1996	1,706
1997	1,619
1998	1,080
1999	795
2000	825
2001	960
2002	964
2003	1,127
2004	769
2005	784
2006	1,522
2007	742
2008	1,309
2009	1,050
2010	880
2011	1,483
2012	711
2013	739
2014	1,062
2015	824
2016	741
2017	1,302
2018	726
2019	686
2020	496
2021	443
2022	479
2023	385
2024	566
2025	928
2026	745

Download the Data

Data for records on 1916-05-17: 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 10	28
10 to 20	8
20 to 30	3
30 to 40	3
40 to 50	0
50 to 60	1