Weather Records on 2 May 2018

768 weather records were set or tied worldwide on 2 May 2018. Highest significance: Zamora, MX.

Key Facts for 2 May 2018

On 2 May 2018, 768 weather records were set or tied at long-record stations worldwide.
439 were record highs and 118 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 757 daily.
Zamora set a daily record precipitation of 35.3 mm (1.4 in) on 2 May 2018.
Across 162 earlier years (1795 to 2026) the same calendar date averaged 459 records.

Record Map

768 stations

768 station records on 2 May 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 2 May 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Zamora	Mexico	Record daily precipitation	35.3 mm (1.4 in)	66 of 100 (Major)
Ferron	United States	Record daily precipitation	30.5 mm (1.2 in)	59 of 100 (Notable)
Yanji	China	Record daily precipitation	55.6 mm (2.2 in)	57 of 100 (Notable)
Murska Sobota-Rakican	Slovenia	Record daily precipitation	50.6 mm (2.0 in)	56 of 100 (Notable)
Reedsburg Wwtp	United States	Record daily precipitation	53.8 mm (2.1 in)	53 of 100 (Notable)
Baraboo Wwtp	United States	Record daily precipitation	53.3 mm (2.1 in)	52 of 100 (Notable)
Aspendell	United States	Record snow depth	20.3 cm (8.0 in)	51 of 100 (Notable)
Wisconsin Dells Wwtp	United States	Record daily precipitation	52.3 mm (2.1 in)	48 of 100 (Notable)
Hitoyoshi	Japan	Record daily precipitation	120.9 mm (4.8 in)	47 of 100 (Notable)
Mauston 1 SE	United States	Record daily precipitation	40.6 mm (1.6 in)	47 of 100 (Notable)
Timiryazevskij	Russia	Record daily precipitation	31.0 mm (1.2 in)	45 of 100 (Notable)
New Hampton	United States	Record daily precipitation	30.5 mm (1.2 in)	44 of 100 (Notable)
Luling	United States	Record high minimum temperature	23.9 C (75.0 F)	44 of 100 (Notable)
McKinney Muni AP	United States	Record high minimum temperature	21.7 C (71.1 F)	43 of 100 (Notable)
Big Spring	United States	Record daily precipitation	48.3 mm (1.9 in)	43 of 100 (Notable)
Quartzsite	United States	Record low maximum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Creston 2 SW	United States	Record daily precipitation	29.2 mm (1.1 in)	42 of 100 (Notable)
Holton	United States	Record daily precipitation	64.0 mm (2.5 in)	42 of 100 (Notable)
Eldon	United States	Record high minimum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Monroe City	United States	Record high minimum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Helena 1 SSE	United States	Record high minimum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Chilton	United States	Record daily precipitation	31.5 mm (1.2 in)	42 of 100 (Notable)
Glenwood Spgs #2	United States	Record high minimum temperature	9.4 C (48.9 F)	41 of 100 (Notable)
Allerton	United States	Record high minimum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Postville	United States	Record daily precipitation	25.9 mm (1.0 in)	41 of 100 (Notable)
Tahoka	United States	Record high minimum temperature	18.3 C (64.9 F)	41 of 100 (Notable)
Seward AP	United States	Record low minimum temperature	-2.1 C (28.2 F)	41 of 100 (Notable)
Kursk	Russia	Record high maximum temperature	28.9 C (84.0 F)	40 of 100 (Notable)
Portage Wwtp	United States	Record daily precipitation	41.4 mm (1.6 in)	40 of 100 (Notable)
Viroqua	United States	Record daily precipitation	69.1 mm (2.7 in)	40 of 100 (Notable)
Laporte	United States	Record daily precipitation	33.5 mm (1.3 in)	39 of 100 (Notable)
Cresco 1 NE	United States	Record daily precipitation	59.9 mm (2.4 in)	39 of 100 (Notable)
Charlevoix	United States	Record daily precipitation	30.5 mm (1.2 in)	39 of 100 (Notable)
Coldwater St School	United States	Record high minimum temperature	16.7 C (62.1 F)	39 of 100 (Notable)
Harmony	United States	Record daily precipitation	56.6 mm (2.2 in)	39 of 100 (Notable)
Genoa Dam 8	United States	Record daily precipitation	46.5 mm (1.8 in)	39 of 100 (Notable)
Oshkosh	United States	Record daily precipitation	37.3 mm (1.5 in)	39 of 100 (Notable)
Greenville 2 NNE	United States	Record high minimum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
S Bend AP	United States	Record daily precipitation	43.7 mm (1.7 in)	38 of 100 (Notable)
Sanborn	United States	Record daily precipitation	25.4 mm (1.0 in)	37 of 100 (Notable)
Beloit	United States	Record daily precipitation	42.7 mm (1.7 in)	37 of 100 (Notable)
Ferron	United States	Record daily snowfall	5.6 cm (2.2 in)	37 of 100 (Notable)
Erie Intl AP	United States	Record high maximum temperature	28.9 C (84.0 F)	37 of 100 (Notable)
Ushibuka	Japan	Record daily precipitation	117.1 mm (4.6 in)	36 of 100 (Notable)
Heber (Black Mesa) Rs	United States	Record daily snowfall	5.1 cm (2.0 in)	36 of 100 (Notable)
Wolf Creek Summit	United States	Record daily precipitation	35.6 mm (1.4 in)	36 of 100 (Notable)
Erbogacen	Russia	Record high minimum temperature	7.7 C (45.9 F)	35 of 100 (Notable)
Mae Sariang	Thailand	Record daily precipitation	58.9 mm (2.3 in)	35 of 100 (Notable)
Orlinga	Russia	Record high maximum temperature	24.9 C (76.8 F)	34 of 100 (Routine)
Frankfort Disposal	United States	Record high maximum temperature	29.4 C (84.9 F)	34 of 100 (Routine)
Vishakhapatnam	India	Record daily precipitation	29.0 mm (1.1 in)	33 of 100 (Routine)
Lensk	Russia	Record high minimum temperature	5.2 C (41.4 F)	33 of 100 (Routine)
Montezuma Castle Nm	United States	Record low maximum temperature	13.3 C (55.9 F)	33 of 100 (Routine)
Swan Falls Ph	United States	Record high minimum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Fulton L&D #13	United States	Record high minimum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
E Jordan	United States	Record daily precipitation	25.9 mm (1.0 in)	33 of 100 (Routine)
Spur	United States	Record high minimum temperature	21.1 C (70.0 F)	33 of 100 (Routine)
Mellen 4 NE	United States	Record low minimum temperature	-6.7 C (19.9 F)	33 of 100 (Routine)
Ontario 3E	United States	Record daily precipitation	57.4 mm (2.3 in)	33 of 100 (Routine)
Goshen Muni AP	United States	Record daily precipitation	27.7 mm (1.1 in)	33 of 100 (Routine)

Counts by Type and Timescale

768 records

Records set or tied on 2 May 2018 by type: Highest daily maximum 194, Lowest daily maximum 63, Highest daily minimum 245, Lowest daily minimum 55, Heaviest daily rainfall 197, Heaviest daily snowfall 8, Deepest snow cover 6.

Records on 2 May 2018 by type
Record type	Records
Highest daily maximum	194
Lowest daily maximum	63
Highest daily minimum	245
Lowest daily minimum	55
Heaviest daily rainfall	197
Heaviest daily snowfall	8
Deepest snow cover	6

Records on 2 May 2018 by timescale: all-time 0, monthly 11, daily 757.

How Much Records Were Beaten By

616 broken records

Margins by which the 616 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

2 May 2018

Top 20 records on 2 May 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
2 May 2018	Zamora, MX	daily rain	35.3 mm (1.4 in)	31.1 mm (1.2 in)	71 years	66 of 100 (Major)
2 May 2018	Ferron, US	monthly rain	30.5 mm (1.2 in)	4.1 mm (0.16 in)	119 years	59 of 100 (Notable)
2 May 2018	Yanji, CN	daily rain	55.6 mm (2.2 in)	26.4 mm (1.0 in)	37 years	57 of 100 (Notable)
2 May 2018	Murska Sobota-Rakican, SI	daily rain	50.6 mm (2.0 in)	35.9 mm (1.4 in)	39 years	56 of 100 (Notable)
2 May 2018	Reedsburg Wwtp, US	daily rain	53.8 mm (2.1 in)	32.7 mm (1.3 in)	44 years	53 of 100 (Notable)
2 May 2018	Baraboo Wwtp, US	daily rain	53.3 mm (2.1 in)	31.7 mm (1.2 in)	39 years	52 of 100 (Notable)
2 May 2018	Aspendell, US	daily snow depth	20.3 cm (8.0 in)	15.2 cm (6.0 in)	88 years	51 of 100 (Notable)
2 May 2018	Wisconsin Dells Wwtp, US	daily rain	52.3 mm (2.1 in)	17.8 mm (0.7 in)	72 years	48 of 100 (Notable)
2 May 2018	Hitoyoshi, JP	daily rain	120.9 mm (4.8 in)	67.9 mm (2.7 in)	48 years	47 of 100 (Notable)
2 May 2018	Mauston 1 SE, US	daily rain	40.6 mm (1.6 in)	19.0 mm (0.7 in)	72 years	47 of 100 (Notable)
2 May 2018	Timiryazevskij, RU	daily rain	31.0 mm (1.2 in)	7.5 mm (0.30 in)	84 years	45 of 100 (Notable)
2 May 2018	New Hampton, US	daily rain	30.5 mm (1.2 in)	5.6 mm (0.22 in)	103 years	44 of 100 (Notable)
2 May 2018	Luling, US	daily high min	23.9 C (75.0 F)	1.7 C (3.1 F)	112 years	44 of 100 (Notable)
2 May 2018	McKinney Muni AP, US	daily high min	21.7 C (71.1 F)	1.7 C (3.1 F)	97 years	43 of 100 (Notable)
2 May 2018	Big Spring, US	daily rain	48.3 mm (1.9 in)	40.7 mm (1.6 in)	44 years	43 of 100 (Notable)
2 May 2018	Quartzsite, US	daily low max	24.4 C (75.9 F)	1.2 C (2.2 F)	104 years	42 of 100 (Notable)
2 May 2018	Creston 2 SW, US	daily rain	29.2 mm (1.1 in)	2.5 mm (0.10 in)	105 years	42 of 100 (Notable)
2 May 2018	Holton, US	daily rain	64.0 mm (2.5 in)	18.5 mm (0.7 in)	69 years	42 of 100 (Notable)
2 May 2018	Eldon, US	daily high min	19.4 C (66.9 F)	1.1 C (2.0 F)	116 years	42 of 100 (Notable)
2 May 2018	Monroe City, US	daily high min	16.7 C (62.1 F)	1.1 C (2.0 F)	116 years	42 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

1795 to 2018

Records set or tied on this calendar date in each year from 1795 to 2018. 2018 had 768 records.

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

Records on 05-02 in each year
Year	Records
1795	1
1804	1
1814	1
1835	1
1836	2
1845	1
1846	1
1849	1
1850	2
1852	1
1866	2
1868	2
1874	1
1875	1
1876	1
1877	2
1878	2
1879	1
1881	2
1883	1
1884	2
1885	1
1886	3
1887	1
1888	1
1889	2
1890	1
1891	4
1892	5
1893	1
1894	4
1895	1
1896	4
1897	2
1898	6
1899	9
1900	1
1901	6
1902	5
1903	14
1904	25
1905	19
1906	15
1907	22
1908	11
1909	48
1910	21
1911	34
1912	26
1913	132
1914	33
1915	25
1916	21
1917	52
1918	21
1919	52
1920	73
1921	31
1922	219
1923	58
1924	57
1925	123
1926	323
1927	125
1928	164
1929	336
1930	366
1931	237
1932	113
1933	584
1934	337
1935	509
1936	305
1937	278
1938	411
1939	273
1940	587
1941	510
1942	600
1943	542
1944	727
1945	522
1946	321
1947	794
1948	874
1949	561
1950	651
1951	509
1952	445
1953	1,009
1954	1,317
1955	977
1956	1,261
1957	371
1958	380
1959	1,030
1960	571
1961	670
1962	396
1963	685
1964	656
1965	314
1966	779
1967	1,123
1968	440
1969	338
1970	670
1971	421
1972	336
1973	711
1974	456
1975	337
1976	660
1977	579
1978	976
1979	743
1980	449
1981	1,009
1982	537
1983	1,808
1984	712
1985	1,062
1986	631
1987	763
1988	1,142
1989	1,009
1990	1,567
1991	587
1992	1,014
1993	1,017
1994	937
1995	1,166
1996	1,076
1997	750
1998	1,043
1999	838
2000	931
2001	1,256
2002	1,263
2003	787
2004	1,344
2005	1,785
2006	577
2007	867
2008	963
2009	898
2010	1,629
2011	936
2012	1,103
2013	1,486
2014	696
2015	582
2016	583
2017	601
2018	768
2019	622
2020	798
2021	572
2022	440
2023	951
2024	880
2025	569
2026	765

Download the Data

Data for records on 2018-05-02: 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 20	586
20 to 40	20
40 to 60	6
60 to 80	2
80 to 100	0
100 to 120	1
120 to 140	0
140 to 160	1