Weather Records on 1 May 2017

1,163 weather records were set or tied worldwide on 1 May 2017. Highest significance: Syracuse 1NE, US.

Key Facts for 1 May 2017

On 1 May 2017, 1,163 weather records were set or tied at long-record stations worldwide.
468 were record highs and 250 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 225 monthly and 933 daily.
Syracuse 1NE set an all-time record daily snowfall of 55.9 cm (22.0 in) on 1 May 2017.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 438 records.

Record Map

1,163 stations

1,163 station records on 1 May 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 May 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Syracuse 1NE	United States	Record daily snowfall	55.9 cm (22.0 in)	99 of 100 (Exceptional)
Gove 4W	United States	Record daily snowfall	35.6 cm (14.0 in)	90 of 100 (Exceptional)
Winona	United States	Record daily snowfall	35.6 cm (14.0 in)	78 of 100 (Major)
Elkhart	United States	Record daily snowfall	58.4 cm (23.0 in)	75 of 100 (Major)
Tribune 1W	United States	Record snow depth	40.6 cm (16.0 in)	74 of 100 (Major)
Ulysses 3NE	United States	Record snow depth	25.4 cm (10.0 in)	72 of 100 (Major)
Tracy	United States	Record daily snowfall	17.8 cm (7.0 in)	72 of 100 (Major)
Holly	United States	Record daily snowfall	40.6 cm (16.0 in)	71 of 100 (Major)
Butte	United States	Record daily snowfall	14.7 cm (5.8 in)	69 of 100 (Major)
Richfield	United States	Record daily snowfall	50.8 cm (20.0 in)	68 of 100 (Major)
Atwood	United States	Record daily snowfall	33.0 cm (13.0 in)	67 of 100 (Major)
Wakeeney	United States	Record daily snowfall	11.4 cm (4.5 in)	67 of 100 (Major)
Menno	United States	Record daily snowfall	17.8 cm (7.0 in)	67 of 100 (Major)
Kukuiula 935	United States	Record daily precipitation	50.8 mm (2.0 in)	67 of 100 (Major)
Ellwangen-Rindelbach	Germany	Record daily precipitation	33.2 mm (1.3 in)	65 of 100 (Major)
Rothenburg Ob der Tauber	Germany	Record daily precipitation	33.6 mm (1.3 in)	65 of 100 (Major)
Ness City	United States	Record daily snowfall	7.6 cm (3.0 in)	65 of 100 (Major)
Holdrege	United States	Record daily snowfall	12.7 cm (5.0 in)	65 of 100 (Major)
Colby 1SW	United States	Record daily snowfall	43.2 cm (17.0 in)	64 of 100 (Major)
Eustis 2 NW	United States	Record daily snowfall	21.3 cm (8.4 in)	64 of 100 (Major)
Bad-Neunkirchen Mergentheim	Germany	Record daily precipitation	33.3 mm (1.3 in)	62 of 100 (Major)
Eads	United States	Record daily snowfall	11.4 cm (4.5 in)	62 of 100 (Major)
Dresden	United States	Record daily snowfall	38.1 cm (15.0 in)	61 of 100 (Major)
Healy	United States	Record daily snowfall	30.5 cm (12.0 in)	61 of 100 (Major)
Syracuse 1NE	United States	Record snow depth	50.8 cm (20.0 in)	61 of 100 (Major)
Hattiesburg 5SW	United States	Record daily precipitation	105.2 mm (4.1 in)	60 of 100 (Major)
Lynch	United States	Record daily snowfall	10.2 cm (4.0 in)	60 of 100 (Major)
Marion	United States	Record snow depth	12.7 cm (5.0 in)	60 of 100 (Major)
Auke Bay	United States	Record daily precipitation	63.5 mm (2.5 in)	59 of 100 (Notable)
Gollhofen	Germany	Record daily precipitation	27.9 mm (1.1 in)	58 of 100 (Notable)
Winona	United States	Record snow depth	25.4 cm (10.0 in)	58 of 100 (Notable)
O'Neill	United States	Record daily snowfall	25.4 cm (10.0 in)	58 of 100 (Notable)
Gove 4W	United States	Record snow depth	15.2 cm (6.0 in)	57 of 100 (Notable)
McCracken	United States	Record daily snowfall	5.6 cm (2.2 in)	57 of 100 (Notable)
Walsh 1 W	United States	Record snow depth	43.2 cm (17.0 in)	56 of 100 (Notable)
Ericson 8 WNW	United States	Record daily snowfall	15.2 cm (6.0 in)	55 of 100 (Notable)
Ord #2	United States	Record daily snowfall	15.2 cm (6.0 in)	55 of 100 (Notable)
Wilsonville	United States	Record daily snowfall	7.6 cm (3.0 in)	55 of 100 (Notable)
Colton	United States	Record daily snowfall	15.2 cm (6.0 in)	55 of 100 (Notable)
Densmore 2N	United States	Record daily snowfall	12.7 cm (5.0 in)	54 of 100 (Notable)
Lakin	United States	Record snow depth	40.6 cm (16.0 in)	54 of 100 (Notable)
Plainville 4WNW	United States	Record daily snowfall	5.8 cm (2.3 in)	54 of 100 (Notable)
Superior	United States	Record low maximum temperature	4.4 C (39.9 F)	54 of 100 (Notable)
Marion	United States	Record daily snowfall	13.2 cm (5.2 in)	54 of 100 (Notable)
Weissenburg	Germany	Record daily precipitation	31.4 mm (1.2 in)	53 of 100 (Notable)
Walsh 1 W	United States	Record daily snowfall	12.7 cm (5.0 in)	53 of 100 (Notable)
Laurel	United States	Record daily precipitation	74.9 mm (2.9 in)	53 of 100 (Notable)
Miller	United States	Record daily snowfall	14.5 cm (5.7 in)	53 of 100 (Notable)
Massena Intl AP	United States	Record daily precipitation	47.2 mm (1.9 in)	53 of 100 (Notable)
Irkutsk	Russia	Record daily precipitation	26.5 mm (1.0 in)	52 of 100 (Notable)
Liberal	United States	Record low maximum temperature	2.2 C (36.0 F)	52 of 100 (Notable)
Richfield 10 WSW	United States	Record daily snowfall	12.7 cm (5.0 in)	52 of 100 (Notable)
Dawson	United States	Record daily snowfall	5.1 cm (2.0 in)	52 of 100 (Notable)
Bloomfield	United States	Record daily snowfall	17.8 cm (7.0 in)	52 of 100 (Notable)
Broken Bow 2 W	United States	Record daily snowfall	10.2 cm (4.0 in)	52 of 100 (Notable)
Bridgewater	United States	Record daily snowfall	11.4 cm (4.5 in)	52 of 100 (Notable)
Clear Lake	United States	Record daily snowfall	12.4 cm (4.9 in)	52 of 100 (Notable)
Marion Junction 2 NE	United States	Record daily precipitation	61.7 mm (2.4 in)	51 of 100 (Notable)
Kingman	United States	Record low maximum temperature	8.3 C (46.9 F)	51 of 100 (Notable)
Oakley 4W	United States	Record daily snowfall	22.9 cm (9.0 in)	51 of 100 (Notable)

Counts by Type and Timescale

1,163 records

Records set or tied on 1 May 2017 by type: Highest daily maximum 120, Lowest daily maximum 178, Highest daily minimum 348, Lowest daily minimum 72, Heaviest daily rainfall 222, Heaviest daily snowfall 120, Deepest snow cover 103.

Records on 1 May 2017 by type
Record type	Records
Highest daily maximum	120
Lowest daily maximum	178
Highest daily minimum	348
Lowest daily minimum	72
Heaviest daily rainfall	222
Heaviest daily snowfall	120
Deepest snow cover	103

Records on 1 May 2017 by timescale: all-time 5, monthly 225, daily 933.

How Much Records Were Beaten By

951 broken records

Margins by which the 951 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 457.0. Ties are not counted.

Top 20 by Significance

1 May 2017

Top 20 records on 1 May 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 May 2017	Syracuse 1NE, US	all-time snowfall	55.9 cm (22.0 in)	20.3 cm (8.0 in)	98 years	99 of 100 (Exceptional)
1 May 2017	Gove 4W, US	monthly snowfall	35.6 cm (14.0 in)	29.2 cm (11.5 in)	109 years	90 of 100 (Exceptional)
1 May 2017	Winona, US	monthly snowfall	35.6 cm (14.0 in)	22.9 cm (9.0 in)	62 years	78 of 100 (Major)
1 May 2017	Elkhart, US	all-time snowfall	58.4 cm (23.0 in)	7.6 cm (3.0 in)	114 years	75 of 100 (Major)
1 May 2017	Tribune 1W, US	monthly snow depth	40.6 cm (16.0 in)	25.4 cm (10.0 in)	99 years	74 of 100 (Major)
1 May 2017	Ulysses 3NE, US	monthly snow depth	25.4 cm (10.0 in)	22.9 cm (9.0 in)	109 years	72 of 100 (Major)
1 May 2017	Tracy, US	monthly snowfall	17.8 cm (7.0 in)	12.7 cm (5.0 in)	92 years	72 of 100 (Major)
1 May 2017	Holly, US	monthly snowfall	40.6 cm (16.0 in)	35.5 cm (14.0 in)	38 years	71 of 100 (Major)
1 May 2017	Butte, US	monthly snowfall	14.7 cm (5.8 in)	9.6 cm (3.8 in)	101 years	69 of 100 (Major)
1 May 2017	Richfield, US	all-time snowfall	50.8 cm (20.0 in)	15.2 cm (6.0 in)	29 years	68 of 100 (Major)
1 May 2017	Atwood, US	monthly snowfall	33.0 cm (13.0 in)	15.2 cm (6.0 in)	62 years	67 of 100 (Major)
1 May 2017	Wakeeney, US	monthly snowfall	11.4 cm (4.5 in)	8.9 cm (3.5 in)	109 years	67 of 100 (Major)
1 May 2017	Menno, US	monthly snowfall	17.8 cm (7.0 in)	10.2 cm (4.0 in)	92 years	67 of 100 (Major)
1 May 2017	Kukuiula 935, US	daily rain	50.8 mm (2.0 in)	39.6 mm (1.6 in)	59 years	67 of 100 (Major)
1 May 2017	Ellwangen-Rindelbach, DE	daily rain	33.2 mm (1.3 in)	16.8 mm (0.7 in)	104 years	65 of 100 (Major)
1 May 2017	Rothenburg Ob der Tauber, DE	daily rain	33.6 mm (1.3 in)	14.2 mm (0.6 in)	104 years	65 of 100 (Major)
1 May 2017	Ness City, US	monthly snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	114 years	65 of 100 (Major)
1 May 2017	Holdrege, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	112 years	65 of 100 (Major)
1 May 2017	Colby 1SW, US	monthly snowfall	43.2 cm (17.0 in)	33.0 cm (13.0 in)	26 years	64 of 100 (Major)
1 May 2017	Eustis 2 NW, US	monthly snowfall	21.3 cm (8.4 in)	13.7 cm (5.4 in)	66 years	64 of 100 (Major)

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 2017

Records set or tied on this calendar date in each year from 1795 to 2017. 2017 had 1,163 records.

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

Records on 05-01 in each year
Year	Records
1795	1
1802	1
1804	1
1814	1
1818	1
1835	1
1836	1
1840	1
1846	2
1847	1
1850	1
1851	1
1857	1
1860	1
1861	1
1864	2
1865	1
1868	2
1872	1
1875	4
1878	2
1879	2
1880	3
1881	2
1884	1
1885	1
1886	2
1887	2
1888	2
1889	3
1890	2
1891	5
1892	6
1893	2
1894	5
1896	1
1897	4
1898	1
1899	8
1900	1
1901	5
1902	7
1903	9
1904	9
1905	13
1906	12
1907	31
1908	20
1909	49
1910	13
1911	22
1912	18
1913	54
1914	23
1915	27
1916	27
1917	37
1918	34
1919	150
1920	186
1921	41
1922	92
1923	64
1924	63
1925	118
1926	500
1927	125
1928	190
1929	142
1930	263
1931	537
1932	220
1933	706
1934	305
1935	276
1936	368
1937	218
1938	304
1939	227
1940	731
1941	333
1942	1,036
1943	526
1944	229
1945	350
1946	415
1947	655
1948	774
1949	405
1950	439
1951	894
1952	557
1953	917
1954	1,506
1955	772
1956	1,106
1957	359
1958	448
1959	764
1960	737
1961	588
1962	615
1963	704
1964	312
1965	360
1966	707
1967	948
1968	426
1969	429
1970	1,075
1971	444
1972	562
1973	841
1974	589
1975	286
1976	673
1977	545
1978	1,202
1979	612
1980	507
1981	1,265
1982	508
1983	1,423
1984	640
1985	789
1986	512
1987	1,098
1988	1,058
1989	949
1990	922
1991	633
1992	1,201
1993	1,101
1994	1,210
1995	1,365
1996	1,439
1997	804
1998	951
1999	932
2000	809
2001	1,106
2002	1,221
2003	964
2004	887
2005	1,320
2006	734
2007	857
2008	979
2009	679
2010	1,151
2011	716
2012	796
2013	976
2014	941
2015	550
2016	844
2017	1,163
2018	519
2019	788
2020	1,099
2021	834
2022	319
2023	913
2024	458
2025	430
2026	623

Download the Data

Data for records on 2017-05-01: 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 2026-10-12 (12 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-13. Last revised 13 October 2026 (2026-10-13).

Histogram of margins by which records were beaten on 1 May 2017
Margin	Records
0 to 100	893
100 to 200	41
200 to 300	13
300 to 400	3
400 to 500	1