Weather Records on 17 May 2020

496 weather records were set or tied worldwide on 17 May 2020. Highest significance: E Tawas, US.

Key Facts for 17 May 2020

On 17 May 2020, 496 weather records were set or tied at long-record stations worldwide.
256 were record highs and 55 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 22 monthly and 474 daily.
E Tawas set a daily record precipitation of 63.5 mm (2.5 in) on 17 May 2020.
Across 167 earlier years (1802 to 2026) the same calendar date averaged 434 records.

Record Map

496 stations

496 station records on 17 May 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 May 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
E Tawas	United States	Record daily precipitation	63.5 mm (2.5 in)	80 of 100 (Exceptional)
Benton	United States	Record daily precipitation	110.2 mm (4.3 in)	71 of 100 (Major)
Guba	Azerbaijan	Record daily precipitation	99.3 mm (3.9 in)	67 of 100 (Major)
Grand Meadow	United States	Record daily precipitation	66.0 mm (2.6 in)	62 of 100 (Major)
Muskegon Co AP	United States	Record daily precipitation	85.1 mm (3.4 in)	56 of 100 (Notable)
Chicago Ohare Intl AP	United States	Record daily precipitation	79.0 mm (3.1 in)	56 of 100 (Notable)
Ruch	United States	Record daily precipitation	71.1 mm (2.8 in)	55 of 100 (Notable)
Hot Springs	United States	Record daily precipitation	51.3 mm (2.0 in)	55 of 100 (Notable)
Manitowoc	United States	Record daily precipitation	48.5 mm (1.9 in)	53 of 100 (Notable)
Gathright Dam	United States	Record daily precipitation	65.0 mm (2.6 in)	52 of 100 (Notable)
Kahuku 912	United States	Record high maximum temperature	31.7 C (89.1 F)	52 of 100 (Notable)
Jixi	China	Record daily precipitation	70.9 mm (2.8 in)	51 of 100 (Notable)
Washita	United States	Record daily precipitation	130.3 mm (5.1 in)	51 of 100 (Notable)
Colfax	United States	Record daily precipitation	38.6 mm (1.5 in)	50 of 100 (Notable)
Chicago Midway AP 3SW	United States	Record daily precipitation	100.3 mm (3.9 in)	50 of 100 (Notable)
Rock Rapids	United States	Record daily precipitation	41.9 mm (1.6 in)	49 of 100 (Notable)
Batesville Lvstk	United States	Record daily precipitation	85.3 mm (3.4 in)	48 of 100 (Notable)
Lincoln	United States	Record daily precipitation	58.9 mm (2.3 in)	47 of 100 (Notable)
St Peter	United States	Record daily precipitation	56.6 mm (2.2 in)	47 of 100 (Notable)
Ozone	United States	Record daily precipitation	81.5 mm (3.2 in)	46 of 100 (Notable)
Idabel	United States	Record daily precipitation	130.6 mm (5.1 in)	46 of 100 (Notable)
Bom Jesus da Lapa	Brazil	Record daily precipitation	61.0 mm (2.4 in)	45 of 100 (Notable)
Windom	United States	Record daily precipitation	54.4 mm (2.1 in)	45 of 100 (Notable)
Karesuando	Sweden	Record snow depth	63.0 cm (24.8 in)	44 of 100 (Notable)
Mtn Home 1 NNW	United States	Record daily precipitation	100.3 mm (3.9 in)	44 of 100 (Notable)
Waldron	United States	Record daily precipitation	78.7 mm (3.1 in)	44 of 100 (Notable)
Bloomington Wtr Wks	United States	Record daily precipitation	51.6 mm (2.0 in)	44 of 100 (Notable)
Theilman 1SSW	United States	Record daily precipitation	44.2 mm (1.7 in)	43 of 100 (Notable)
Hellinikon	Greece	Record high maximum temperature	35.2 C (95.4 F)	41 of 100 (Notable)
Hoopeston	United States	Record daily precipitation	54.4 mm (2.1 in)	41 of 100 (Notable)
Shelbyville Dam	United States	Record daily precipitation	41.1 mm (1.6 in)	41 of 100 (Notable)
Owatonna	United States	Record daily precipitation	50.3 mm (2.0 in)	41 of 100 (Notable)
Denton 2 SE	United States	Record low maximum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
S Bend AP	United States	Record daily precipitation	25.4 mm (1.0 in)	41 of 100 (Notable)
Mt Carroll	United States	Record daily precipitation	35.3 mm (1.4 in)	40 of 100 (Notable)
Mt Pulaski	United States	Record daily precipitation	52.6 mm (2.1 in)	40 of 100 (Notable)
Forestburg 5 S	United States	Record daily precipitation	52.1 mm (2.1 in)	39 of 100 (Notable)
Sultan Abdul Aziz Shah Intl	Malaysia	Record daily precipitation	103.1 mm (4.1 in)	38 of 100 (Notable)
Faribault	United States	Record daily precipitation	59.7 mm (2.4 in)	38 of 100 (Notable)
St Paul Dwtn AP	United States	Record daily precipitation	65.5 mm (2.6 in)	38 of 100 (Notable)
Laboulaye Aero	Argentina	Record high maximum temperature	32.9 C (91.2 F)	37 of 100 (Notable)
Eide Pa Nordmore	Norway	Record snow depth	13.0 cm (5.1 in)	37 of 100 (Notable)
Omaha	United States	Record daily precipitation	49.5 mm (1.9 in)	37 of 100 (Notable)
San Jon	United States	Record high maximum temperature	39.4 C (102.9 F)	37 of 100 (Notable)
Wiseman	United States	Record low maximum temperature	3.3 C (37.9 F)	37 of 100 (Notable)
Har Kenaan	Israel	Record high minimum temperature	25.1 C (77.2 F)	36 of 100 (Notable)
Primghar	United States	Record daily precipitation	46.2 mm (1.8 in)	36 of 100 (Notable)
Sheldon	United States	Record daily precipitation	47.2 mm (1.9 in)	36 of 100 (Notable)
Elgin 2SSW	United States	Record daily precipitation	32.0 mm (1.3 in)	36 of 100 (Notable)
Lake Wilson	United States	Record daily precipitation	51.1 mm (2.0 in)	36 of 100 (Notable)
Methoni	Greece	Record high maximum temperature	34.7 C (94.5 F)	35 of 100 (Notable)
Jerseyville 2 SW	United States	Record daily precipitation	56.6 mm (2.2 in)	35 of 100 (Notable)
Sanborn	United States	Record daily precipitation	46.2 mm (1.8 in)	35 of 100 (Notable)
Ozark Beach 2 NNE	United States	Record daily precipitation	74.9 mm (2.9 in)	35 of 100 (Notable)
Milwaukee Mitchell AP	United States	Record daily precipitation	75.9 mm (3.0 in)	35 of 100 (Notable)
Eresfjord	Norway	Record snow depth	10.0 cm (3.9 in)	34 of 100 (Routine)
Segen-Kyuel	Russia	Record high minimum temperature	9.0 C (48.2 F)	34 of 100 (Routine)
Devils Garden	United States	Record daily precipitation	78.0 mm (3.1 in)	34 of 100 (Routine)
Kenosha Wwtp	United States	Record daily precipitation	84.8 mm (3.3 in)	34 of 100 (Routine)
Robe Comparison	Australia	Record low minimum temperature	4.0 C (39.2 F)	33 of 100 (Routine)

Counts by Type and Timescale

496 records

Records set or tied on 17 May 2020 by type: Highest daily maximum 103, Lowest daily maximum 33, Highest daily minimum 153, Lowest daily minimum 22, Heaviest daily rainfall 174, Deepest snow cover 11.

Records on 17 May 2020 by type
Record type	Records
Highest daily maximum	103
Lowest daily maximum	33
Highest daily minimum	153
Lowest daily minimum	22
Heaviest daily rainfall	174
Heaviest daily snowfall	0
Deepest snow cover	11

Records on 17 May 2020 by timescale: all-time 0, monthly 22, daily 474.

How Much Records Were Beaten By

415 broken records

Margins by which the 415 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 500.0. Ties are not counted.

Top 20 by Significance

17 May 2020

Top 20 records on 17 May 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 May 2020	E Tawas, US	daily rain	63.5 mm (2.5 in)	44.7 mm (1.8 in)	101 years	80 of 100 (Exceptional)
17 May 2020	Benton, US	daily rain	110.2 mm (4.3 in)	59.4 mm (2.3 in)	110 years	71 of 100 (Major)
17 May 2020	Guba, AZ	daily rain	99.3 mm (3.9 in)	69.1 mm (2.7 in)	66 years	67 of 100 (Major)
17 May 2020	Grand Meadow, US	daily rain	66.0 mm (2.6 in)	26.1 mm (1.0 in)	118 years	62 of 100 (Major)
17 May 2020	Muskegon Co AP, US	daily rain	85.1 mm (3.4 in)	54.1 mm (2.1 in)	20 years	56 of 100 (Notable)
17 May 2020	Chicago Ohare Intl AP, US	daily rain	79.0 mm (3.1 in)	43.9 mm (1.7 in)	34 years	56 of 100 (Notable)
17 May 2020	Ruch, US	monthly rain	71.1 mm (2.8 in)	22.1 mm (0.9 in)	2 years	55 of 100 (Notable)
17 May 2020	Hot Springs, US	daily rain	51.3 mm (2.0 in)	15.7 mm (0.6 in)	116 years	55 of 100 (Notable)
17 May 2020	Manitowoc, US	daily rain	48.5 mm (1.9 in)	12.9 mm (0.5 in)	102 years	53 of 100 (Notable)
17 May 2020	Gathright Dam, US	daily rain	65.0 mm (2.6 in)	35.5 mm (1.4 in)	37 years	52 of 100 (Notable)
17 May 2020	Kahuku 912, US	daily high max	31.7 C (89.1 F)	2.3 C (4.1 F)	73 years	52 of 100 (Notable)
17 May 2020	Jixi, CN	monthly rain	70.9 mm (2.8 in)	19.6 mm (0.8 in)	4 years	51 of 100 (Notable)
17 May 2020	Washita, US	daily rain	130.3 mm (5.1 in)	75.7 mm (3.0 in)	17 years	51 of 100 (Notable)
17 May 2020	Colfax, US	daily rain	38.6 mm (1.5 in)	12.4 mm (0.5 in)	103 years	50 of 100 (Notable)
17 May 2020	Chicago Midway AP 3SW, US	monthly rain	100.3 mm (3.9 in)	16.5 mm (0.6 in)	54 years	50 of 100 (Notable)
17 May 2020	Rock Rapids, US	daily rain	41.9 mm (1.6 in)	10.1 mm (0.4 in)	121 years	49 of 100 (Notable)
17 May 2020	Batesville Lvstk, US	daily rain	85.3 mm (3.4 in)	59.4 mm (2.3 in)	17 years	48 of 100 (Notable)
17 May 2020	Lincoln, US	daily rain	58.9 mm (2.3 in)	18.0 mm (0.7 in)	77 years	47 of 100 (Notable)
17 May 2020	St Peter, US	daily rain	56.6 mm (2.2 in)	16.0 mm (0.6 in)	76 years	47 of 100 (Notable)
17 May 2020	Ozone, US	daily rain	81.5 mm (3.2 in)	10.9 mm (0.4 in)	127 years	46 of 100 (Notable)

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 2020

Records set or tied on this calendar date in each year from 1802 to 2020. 2020 had 496 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 2020-05-17: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 100	409
100 to 200	5
200 to 300	0
300 to 400	0
400 to 500	1