Weather Records on 22 May 1917

43 weather records were set or tied worldwide on 22 May 1917. Highest significance: Orillia, CA.

Key Facts for 22 May 1917

On 22 May 1917, 43 weather records were set or tied at long-record stations worldwide.
0 were record highs and 25 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 43 daily.
Orillia set a daily record precipitation of 36.3 mm (1.4 in) on 22 May 1917.
Across 160 earlier years (1806 to 2026) the same calendar date averaged 448 records.

Record Map

43 stations

43 station records on 22 May 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 22 May 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Orillia	Canada	Record daily precipitation	36.3 mm (1.4 in)	41 of 100 (Notable)
Outtrim	Australia	Record daily precipitation	36.6 mm (1.4 in)	36 of 100 (Notable)
Port Campbell Post Office	Australia	Record daily precipitation	26.4 mm (1.0 in)	29 of 100 (Routine)
Sandvig	Denmark	Record low minimum temperature	1.2 C (34.2 F)	25 of 100 (Routine)
Murray Town (Doughboy Creek)	Australia	Record daily precipitation	13.5 mm (0.5 in)	20 of 100 (Routine)
Table.Mtn Platteklip	South Africa	Record daily precipitation	56.6 mm (2.2 in)	19 of 100 (Routine)
Madison Wb City	United States	Record low maximum temperature	7.2 C (45.0 F)	19 of 100 (Routine)
Owen Sound	Canada	Record daily precipitation	22.1 mm (0.9 in)	18 of 100 (Routine)
Wilsons Promontory Lighthouse	Australia	Record daily precipitation	51.1 mm (2.0 in)	17 of 100 (Routine)
Chatham 2	Canada	Record daily precipitation	24.1 mm (0.9 in)	17 of 100 (Routine)
Kardella (Fleetwood)	Australia	Record daily precipitation	27.7 mm (1.1 in)	16 of 100 (Routine)
Southampton	Canada	Record low maximum temperature	6.1 C (43.0 F)	16 of 100 (Routine)
Milwaukee Wb City	United States	Record low maximum temperature	5.0 C (41.0 F)	16 of 100 (Routine)
Southampton	Canada	Record daily precipitation	18.8 mm (0.7 in)	15 of 100 (Routine)
Kristianstad	Sweden	Record low minimum temperature	0.0 C (32.0 F)	15 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record low minimum temperature	-1.1 C (30.0 F)	15 of 100 (Routine)
Winnemucca AP	United States	Record daily precipitation	11.9 mm (0.5 in)	15 of 100 (Routine)
Parry Sound	Canada	Record daily precipitation	15.2 mm (0.6 in)	13 of 100 (Routine)
Georgetown	Canada	Record daily precipitation	26.7 mm (1.1 in)	12 of 100 (Routine)
Parnu	Estonia	Record low minimum temperature	-0.2 C (31.6 F)	12 of 100 (Routine)
St. Petersburg	Russia	Record low minimum temperature	-0.1 C (31.8 F)	12 of 100 (Routine)
Kiev	Ukraine	Record low minimum temperature	-1.7 C (28.9 F)	12 of 100 (Routine)
Wirrabara	Australia	Record daily precipitation	4.1 mm (0.16 in)	11 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record low maximum temperature	11.2 C (52.2 F)	11 of 100 (Routine)
Cottam	Canada	Record daily precipitation	26.7 mm (1.1 in)	11 of 100 (Routine)
Karlshamn	Sweden	Record low minimum temperature	-1.5 C (29.3 F)	11 of 100 (Routine)
Halmstad	Sweden	Record low minimum temperature	-0.5 C (31.1 F)	11 of 100 (Routine)
Boras	Sweden	Record low minimum temperature	-3.5 C (25.7 F)	11 of 100 (Routine)
Port Germein	Australia	Record daily precipitation	3.3 mm (0.13 in)	10 of 100 (Routine)
Skara 1	Sweden	Record low minimum temperature	-2.5 C (27.5 F)	10 of 100 (Routine)
Escanaba	United States	Record low maximum temperature	5.6 C (42.1 F)	10 of 100 (Routine)
Green Bay	United States	Record low maximum temperature	6.7 C (44.1 F)	10 of 100 (Routine)
Tartu	Estonia	Record low minimum temperature	-1.6 C (29.1 F)	9 of 100 (Routine)
Burlington	United States	Record low maximum temperature	9.4 C (48.9 F)	9 of 100 (Routine)
Concordia ASOS	United States	Record low maximum temperature	14.4 C (57.9 F)	9 of 100 (Routine)
Hamilton	Canada	Record low maximum temperature	7.2 C (45.0 F)	7 of 100 (Routine)
Point Escuminac	Canada	Record daily precipitation	5.3 mm (0.21 in)	7 of 100 (Routine)
Gunnedah Pool	Australia	Record low maximum temperature	13.3 C (55.9 F)	6 of 100 (Routine)
London South	Canada	Record daily precipitation	27.7 mm (1.1 in)	5 of 100 (Routine)
Charlottetown	Canada	Record low minimum temperature	0.0 C (32.0 F)	3 of 100 (Routine)
Dubuque River	United States	Record low maximum temperature	11.7 C (53.1 F)	3 of 100 (Routine)
Northfield	United States	Record low maximum temperature	8.3 C (46.9 F)	2 of 100 (Routine)
Concord	United States	Record low maximum temperature	10.6 C (51.1 F)	1 of 100 (Routine)

Counts by Type and Timescale

43 records

Records set or tied on 22 May 1917 by type: Lowest daily maximum 13, Lowest daily minimum 12, Heaviest daily rainfall 18.

Records on 22 May 1917 by type
Record type	Records
Highest daily maximum	0
Lowest daily maximum	13
Highest daily minimum	0
Lowest daily minimum	12
Heaviest daily rainfall	18
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 22 May 1917 by timescale: all-time 0, monthly 0, daily 43.

How Much Records Were Beaten By

39 broken records

Margins by which the 39 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 22.6. Ties are not counted.

Top 20 by Significance

22 May 1917

Top 20 records on 22 May 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 May 1917	Orillia, CA	daily rain	36.3 mm (1.4 in)	22.6 mm (0.9 in)	19 years	41 of 100 (Notable)
22 May 1917	Outtrim, AU	daily rain	36.6 mm (1.4 in)	19.1 mm (0.8 in)	27 years	36 of 100 (Notable)
22 May 1917	Port Campbell Post Office, AU	daily rain	26.4 mm (1.0 in)	13.7 mm (0.5 in)	18 years	29 of 100 (Routine)
22 May 1917	Sandvig, DK	daily low min	1.2 C (34.2 F)	2.5 C (4.5 F)	39 years	25 of 100 (Routine)
22 May 1917	Murray Town (Doughboy Creek), AU	daily rain	13.5 mm (0.5 in)	9.4 mm (0.37 in)	16 years	20 of 100 (Routine)
22 May 1917	Table.Mtn Platteklip, ZA	daily rain	56.6 mm (2.2 in)	14.7 mm (0.6 in)	21 years	19 of 100 (Routine)
22 May 1917	Madison Wb City, US	daily low max	7.2 C (45.0 F)	3.4 C (6.1 F)	34 years	19 of 100 (Routine)
22 May 1917	Owen Sound, CA	daily rain	22.1 mm (0.9 in)	7.4 mm (0.29 in)	23 years	18 of 100 (Routine)
22 May 1917	Wilsons Promontory Lighthouse, AU	daily rain	51.1 mm (2.0 in)	1.8 mm (0.07 in)	39 years	17 of 100 (Routine)
22 May 1917	Chatham 2, CA	daily rain	24.1 mm (0.9 in)	7.6 mm (0.30 in)	22 years	17 of 100 (Routine)
22 May 1917	Kardella (Fleetwood), AU	daily rain	27.7 mm (1.1 in)	4.1 mm (0.16 in)	27 years	16 of 100 (Routine)
22 May 1917	Southampton, CA	daily low max	6.1 C (43.0 F)	1.7 C (3.1 F)	33 years	16 of 100 (Routine)
22 May 1917	Milwaukee Wb City, US	daily low max	5.0 C (41.0 F)	3.3 C (5.9 F)	25 years	16 of 100 (Routine)
22 May 1917	Southampton, CA	daily rain	18.8 mm (0.7 in)	7.4 mm (0.29 in)	4 years	15 of 100 (Routine)
22 May 1917	Kristianstad, SE	daily low min	0.0 C (32.0 F)	2.5 C (4.5 F)	16 years	15 of 100 (Routine)
22 May 1917	Morris W Cntrl Rsch & Outreach, US	daily low min	-1.1 C (30.0 F)	3.3 C (5.9 F)	21 years	15 of 100 (Routine)
22 May 1917	Winnemucca AP, US	daily rain	11.9 mm (0.5 in)	0.5 mm (0.02 in)	35 years	15 of 100 (Routine)
22 May 1917	Parry Sound, CA	daily rain	15.2 mm (0.6 in)	4.5 mm (0.18 in)	12 years	13 of 100 (Routine)
22 May 1917	Georgetown, CA	daily rain	26.7 mm (1.1 in)	6.4 mm (0.25 in)	0 years	12 of 100 (Routine)
22 May 1917	Parnu, EE	daily low min	-0.2 C (31.6 F)	0.3 C (0.5 F)	28 years	12 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

1806 to 1917

Records set or tied on this calendar date in each year from 1806 to 1917. 1917 had 43 records.

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

Records on 05-22 in each year
Year	Records
1806	1
1837	4
1840	1
1841	1
1845	1
1846	1
1847	2
1857	1
1861	1
1862	1
1864	1
1865	1
1866	5
1867	3
1870	2
1872	1
1874	2
1875	1
1877	1
1881	1
1883	3
1885	1
1886	5
1887	3
1889	2
1890	4
1891	1
1892	2
1894	3
1895	2
1896	5
1897	3
1898	3
1899	3
1900	2
1901	3
1902	5
1903	7
1904	6
1905	11
1906	15
1907	45
1908	20
1909	19
1910	6
1911	77
1912	20
1913	15
1914	30
1915	23
1916	22
1917	43
1918	50
1919	402
1920	27
1921	85
1922	60
1923	63
1924	196
1925	382
1926	165
1927	250
1928	168
1929	210
1930	121
1931	489
1932	306
1933	307
1934	292
1935	162
1936	490
1937	192
1938	313
1939	407
1940	364
1941	640
1942	379
1943	385
1944	490
1945	334
1946	277
1947	340
1948	322
1949	534
1950	456
1951	294
1952	442
1953	632
1954	558
1955	556
1956	617
1957	774
1958	584
1959	713
1960	455
1961	446
1962	662
1963	1,149
1964	775
1965	367
1966	434
1967	1,222
1968	502
1969	593
1970	306
1971	479
1972	462
1973	446
1974	613
1975	772
1976	476
1977	648
1978	558
1979	674
1980	997
1981	1,427
1982	558
1983	1,025
1984	907
1985	736
1986	724
1987	810
1988	641
1989	722
1990	1,193
1991	1,200
1992	1,159
1993	922
1994	517
1995	823
1996	1,139
1997	1,154
1998	995
1999	610
2000	1,124
2001	1,371
2002	2,020
2003	822
2004	1,111
2005	1,002
2006	1,174
2007	1,113
2008	967
2009	1,075
2010	1,051
2011	745
2012	1,039
2013	1,216
2014	828
2015	938
2016	807
2017	613
2018	495
2019	1,372
2020	631
2021	915
2022	1,248
2023	400
2024	861
2025	778
2026	473

Download the Data

Data for records on 1917-05-22: 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	30
5 to 10	5
10 to 15	2
15 to 20	1
20 to 25	1