Weather Records on 16 May 1917

48 weather records were set or tied worldwide on 16 May 1917. Highest significance: Bic, CA.

Key Facts for 16 May 1917

On 16 May 1917, 48 weather records were set or tied at long-record stations worldwide.
20 were record highs and 14 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 45 daily.
Bic set a daily record snowfall of 10.2 cm (4.0 in) on 16 May 1917.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 441 records.

Record Map

48 stations

48 station records on 16 May 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 16 May 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bic	Canada	Record daily snowfall	10.2 cm (4.0 in)	33 of 100 (Routine)
Cap Chat	Canada	Record daily snowfall	15.2 cm (6.0 in)	30 of 100 (Routine)
Escanaba	United States	Record high maximum temperature	27.2 C (81.0 F)	25 of 100 (Routine)
Constantine	Algeria	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Arhangelsk	Russia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Halifax	Canada	Record daily snowfall	2.0 cm (0.8 in)	20 of 100 (Routine)
Portland	United States	Record low minimum temperature	1.7 C (35.1 F)	19 of 100 (Routine)
Port Arthur	Canada	Record high maximum temperature	28.9 C (84.0 F)	18 of 100 (Routine)
Montreal McGill	Canada	Record low minimum temperature	0.0 C (32.0 F)	18 of 100 (Routine)
Charlottetown	Canada	Record daily snowfall	0.5 cm (0.2 in)	18 of 100 (Routine)
Nurnberg	Germany	Record high minimum temperature	15.4 C (59.7 F)	17 of 100 (Routine)
Escanaba	United States	Record high minimum temperature	11.1 C (52.0 F)	17 of 100 (Routine)
Port Stanley	Canada	Record high maximum temperature	23.3 C (73.9 F)	16 of 100 (Routine)
Qu'appelle	Canada	Record high minimum temperature	15.6 C (60.1 F)	15 of 100 (Routine)
Minnedosa	Canada	Record high maximum temperature	33.3 C (91.9 F)	15 of 100 (Routine)
Port Arthur	Canada	Record high minimum temperature	13.9 C (57.0 F)	15 of 100 (Routine)
Charlottetown	Canada	Record low maximum temperature	4.4 C (39.9 F)	15 of 100 (Routine)
Plauen	Germany	Record high minimum temperature	13.8 C (56.8 F)	15 of 100 (Routine)
Blue Hill Coop	United States	Record low minimum temperature	0.6 C (33.1 F)	15 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record high minimum temperature	14.0 C (57.2 F)	14 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record low minimum temperature	-6.1 C (21.0 F)	13 of 100 (Routine)
Bimbowrie	Australia	Record daily precipitation	5.3 mm (0.21 in)	12 of 100 (Routine)
Sonnblick	Austria	Record high minimum temperature	-0.7 C (30.7 F)	12 of 100 (Routine)
Bamberg	Germany	Record high minimum temperature	14.0 C (57.2 F)	12 of 100 (Routine)
Bird Rocks	Canada	Record daily precipitation	10.2 mm (0.4 in)	11 of 100 (Routine)
Karlsruhe	Germany	Record high minimum temperature	14.5 C (58.1 F)	11 of 100 (Routine)
Munchen-Nymphenburg	Germany	Record daily precipitation	20.3 mm (0.8 in)	11 of 100 (Routine)
Greenville Dwtn AP	United States	Record low minimum temperature	7.2 C (45.0 F)	11 of 100 (Routine)
Ooma	Australia	Record daily precipitation	12.7 mm (0.5 in)	10 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record high maximum temperature	31.1 C (88.0 F)	10 of 100 (Routine)
Winnemucca AP	United States	Record low minimum temperature	-4.4 C (24.1 F)	10 of 100 (Routine)
Brisbane Regional Office	Australia	Record low minimum temperature	8.9 C (48.0 F)	9 of 100 (Routine)
Sonnblick	Austria	Record high maximum temperature	3.8 C (38.8 F)	9 of 100 (Routine)
St Albans	Canada	Record high maximum temperature	35.6 C (96.1 F)	9 of 100 (Routine)
Middletown 4 W	United States	Record low minimum temperature	-2.8 C (27.0 F)	9 of 100 (Routine)
Lichtentanne	Germany	Record daily precipitation	19.0 mm (0.7 in)	6 of 100 (Routine)
Setauket Strong	United States	Record low minimum temperature	3.9 C (39.0 F)	6 of 100 (Routine)
Northfield	United States	Record low minimum temperature	-3.3 C (26.1 F)	6 of 100 (Routine)
Huron Rgnl AP	United States	Record high maximum temperature	31.1 C (88.0 F)	6 of 100 (Routine)
Burra (Kooringa)	Australia	Record daily precipitation	8.4 mm (0.33 in)	5 of 100 (Routine)
Stony Mountain	Canada	Record high maximum temperature	32.2 C (90.0 F)	5 of 100 (Routine)
Cap Madeleine	Canada	Record daily snowfall	2.5 cm (1.0 in)	5 of 100 (Routine)
Saint John	Canada	Record low minimum temperature	-0.6 C (30.9 F)	3 of 100 (Routine)
Cape May 2 NW	United States	Record low minimum temperature	7.2 C (45.0 F)	3 of 100 (Routine)
Pointe Au Pere	Canada	Record low maximum temperature	5.0 C (41.0 F)	2 of 100 (Routine)
Swift Current	Canada	Record high maximum temperature	31.1 C (88.0 F)	1 of 100 (Routine)
Green Bay	United States	Record high maximum temperature	27.2 C (81.0 F)	1 of 100 (Routine)
Fairlight Station	Australia	Record daily precipitation	10.2 mm (0.4 in)	0 of 100 (Routine)

Counts by Type and Timescale

48 records

Records set or tied on 16 May 1917 by type: Highest daily maximum 11, Lowest daily maximum 2, Highest daily minimum 9, Lowest daily minimum 12, Heaviest daily rainfall 9, Heaviest daily snowfall 5.

Records on 16 May 1917 by type
Record type	Records
Highest daily maximum	11
Lowest daily maximum	2
Highest daily minimum	9
Lowest daily minimum	12
Heaviest daily rainfall	9
Heaviest daily snowfall	5
Deepest snow cover	0

Records on 16 May 1917 by timescale: all-time 0, monthly 3, daily 45.

How Much Records Were Beaten By

41 broken records

Margins by which the 41 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

16 May 1917

Top 20 records on 16 May 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
16 May 1917	Bic, CA	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	33 years	33 of 100 (Routine)
16 May 1917	Cap Chat, CA	monthly snowfall	15.2 cm (6.0 in)	7.6 cm (3.0 in)	7 years	30 of 100 (Routine)
16 May 1917	Escanaba, US	daily high max	27.2 C (81.0 F)	5.0 C (9.0 F)	39 years	25 of 100 (Routine)
16 May 1917	Constantine, DZ	daily rain	17.8 mm (0.7 in)	8.8 mm (0.35 in)	35 years	20 of 100 (Routine)
16 May 1917	Arhangelsk, RU	daily rain	8.9 mm (0.35 in)	3.4 mm (0.13 in)	33 years	20 of 100 (Routine)
16 May 1917	Halifax, CA	daily snowfall	2.0 cm (0.8 in)	2.0 cm (0.8 in)	45 years	20 of 100 (Routine)
16 May 1917	Portland, US	daily low min	1.7 C (35.1 F)	1.6 C (2.9 F)	34 years	19 of 100 (Routine)
16 May 1917	Port Arthur, CA	daily high max	28.9 C (84.0 F)	2.8 C (5.0 F)	31 years	18 of 100 (Routine)
16 May 1917	Montreal McGill, CA	daily low min	0.0 C (32.0 F)	1.1 C (2.0 F)	41 years	18 of 100 (Routine)
16 May 1917	Charlottetown, CA	daily snowfall	0.5 cm (0.2 in)	0.5 cm (0.2 in)	44 years	18 of 100 (Routine)
16 May 1917	Nurnberg, DE	daily high min	15.4 C (59.7 F)	2.3 C (4.1 F)	27 years	17 of 100 (Routine)
16 May 1917	Escanaba, US	daily high min	11.1 C (52.0 F)	1.1 C (2.0 F)	36 years	17 of 100 (Routine)
16 May 1917	Port Stanley, CA	daily high max	23.3 C (73.9 F)	0.5 C (0.9 F)	39 years	16 of 100 (Routine)
16 May 1917	Qu'appelle, CA	daily high min	15.6 C (60.1 F)	3.4 C (6.1 F)	16 years	15 of 100 (Routine)
16 May 1917	Minnedosa, CA	daily high max	33.3 C (91.9 F)	5.0 C (9.0 F)	16 years	15 of 100 (Routine)
16 May 1917	Port Arthur, CA	monthly high min	13.9 C (57.0 F)	0.6 C (1.1 F)	2 years	15 of 100 (Routine)
16 May 1917	Charlottetown, CA	daily low max	4.4 C (39.9 F)	0.6 C (1.1 F)	33 years	15 of 100 (Routine)
16 May 1917	Plauen, DE	daily high min	13.8 C (56.8 F)	2.2 C (4.0 F)	23 years	15 of 100 (Routine)
16 May 1917	Blue Hill Coop, US	daily low min	0.6 C (33.1 F)	1.6 C (2.9 F)	28 years	15 of 100 (Routine)
16 May 1917	Heinersreuth-Vollhof, DE	daily high min	14.0 C (57.2 F)	1.2 C (2.2 F)	27 years	14 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 1917

Records set or tied on this calendar date in each year from 1802 to 1917. 1917 had 48 records.

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

Records on 05-16 in each year
Year	Records
1802	1
1806	1
1820	1
1825	1
1832	1
1837	1
1847	1
1856	1
1858	1
1861	1
1862	1
1863	1
1864	1
1866	1
1867	2
1871	1
1874	3
1878	1
1879	1
1880	1
1881	1
1882	1
1883	1
1884	1
1885	1
1886	1
1887	2
1888	2
1889	2
1890	1
1891	4
1892	3
1893	1
1894	2
1895	6
1896	2
1897	1
1898	11
1899	6
1900	7
1901	2
1902	10
1903	9
1904	17
1905	13
1906	25
1907	13
1908	6
1909	57
1910	24
1911	22
1912	13
1913	24
1914	11
1915	104
1916	38
1917	48
1918	395
1919	28
1920	69
1921	106
1922	31
1923	126
1924	152
1925	177
1926	211
1927	230
1928	121
1929	273
1930	170
1931	254
1932	441
1933	268
1934	304
1935	320
1936	520
1937	279
1938	299
1939	448
1940	334
1941	429
1942	721
1943	652
1944	531
1945	888
1946	327
1947	344
1948	281
1949	360
1950	210
1951	558
1952	773
1953	421
1954	251
1955	525
1956	697
1957	610
1958	361
1959	680
1960	370
1961	378
1962	1,295
1963	552
1964	313
1965	442
1966	420
1967	611
1968	790
1969	423
1970	520
1971	509
1972	625
1973	869
1974	1,207
1975	544
1976	518
1977	1,269
1978	808
1979	506
1980	830
1981	896
1982	427
1983	1,579
1984	981
1985	536
1986	747
1987	1,369
1988	946
1989	938
1990	1,068
1991	1,094
1992	809
1993	653
1994	705
1995	1,235
1996	1,835
1997	1,932
1998	1,500
1999	778
2000	1,129
2001	1,110
2002	694
2003	1,289
2004	869
2005	870
2006	1,345
2007	692
2008	1,034
2009	897
2010	836
2011	1,398
2012	770
2013	596
2014	1,483
2015	782
2016	793
2017	710
2018	1,013
2019	572
2020	431
2021	419
2022	717
2023	653
2024	601
2025	993
2026	558

Download the Data

Data for records on 1917-05-16: 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	38
20 to 40	1
40 to 60	0
60 to 80	1
80 to 100	0
100 to 120	1