Weather Records on 1 May 2010

1,151 weather records were set or tied worldwide on 1 May 2010. Highest significance: Brownsville, US.

Key Facts for 1 May 2010

On 1 May 2010, 1,151 weather records were set or tied at long-record stations worldwide.
517 were record highs and 374 were record lows, counting maximum and minimum temperature.
By timescale, 11 were all-time records, 108 monthly and 1,032 daily.
Brownsville set an all-time record daily precipitation of 406.4 mm (16.0 in) on 1 May 2010.
Across 165 earlier years (1795 to 2026) the same calendar date averaged 438 records.

Record Map

1,151 stations

1,151 station records on 1 May 2010 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 May 2010: highest significance records shown on the map
Station	Country	Type	Value	Significance
Brownsville	United States	Record daily precipitation	406.4 mm (16.0 in)	76 of 100 (Major)
Moscow	United States	Record daily precipitation	259.1 mm (10.2 in)	76 of 100 (Major)
Bowling Green Warren Co AP	United States	Record daily precipitation	120.7 mm (4.8 in)	65 of 100 (Major)
Augusta	United States	Record daily precipitation	137.9 mm (5.4 in)	58 of 100 (Notable)
Nagappattinam	India	Record daily precipitation	84.1 mm (3.3 in)	54 of 100 (Notable)
Kandalaksa	Russia	Record daily precipitation	28.8 mm (1.1 in)	53 of 100 (Notable)
Ogden Pioneer Ph	United States	Record daily precipitation	46.5 mm (1.8 in)	53 of 100 (Notable)
Murray	United States	Record daily precipitation	88.6 mm (3.5 in)	48 of 100 (Notable)
Mayo	United States	Record daily precipitation	125.7 mm (4.9 in)	47 of 100 (Notable)
Glendale	United States	Record daily precipitation	83.1 mm (3.3 in)	47 of 100 (Notable)
Nashville Intl AP	United States	Record daily precipitation	160.5 mm (6.3 in)	47 of 100 (Notable)
Perry	United States	Record daily precipitation	162.6 mm (6.4 in)	46 of 100 (Notable)
Toms River	United States	Record high maximum temperature	33.9 C (93.0 F)	46 of 100 (Notable)
Hampstead	United Kingdom	Record daily precipitation	51.0 mm (2.0 in)	45 of 100 (Notable)
Paradise	United States	Record low maximum temperature	10.6 C (51.1 F)	45 of 100 (Notable)
Brinkley	United States	Record daily precipitation	76.2 mm (3.0 in)	45 of 100 (Notable)
Danville	United States	Record daily precipitation	79.2 mm (3.1 in)	45 of 100 (Notable)
Jamestown Wwtp	United States	Record daily precipitation	108.0 mm (4.3 in)	45 of 100 (Notable)
Lake City 2 E	United States	Record daily precipitation	87.6 mm (3.4 in)	44 of 100 (Notable)
Mansfield 4 NW	United States	Record high minimum temperature	21.1 C (70.0 F)	44 of 100 (Notable)
Dickson	United States	Record daily precipitation	185.4 mm (7.3 in)	44 of 100 (Notable)
Apatzingan (Smn)	Mexico	Record low maximum temperature	32.8 C (91.0 F)	43 of 100 (Notable)
Carbondale Sewage Plt	United States	Record daily precipitation	45.7 mm (1.8 in)	43 of 100 (Notable)
Middletown 2 NW	United States	Record high maximum temperature	31.1 C (88.0 F)	43 of 100 (Notable)
Tamazula de Victoria	Mexico	Record low maximum temperature	22.2 C (72.0 F)	42 of 100 (Notable)
San Miguel Chimalapa	Mexico	Record low minimum temperature	1.7 C (35.1 F)	42 of 100 (Notable)
Sahuaripa	Mexico	Record low maximum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Greensboro	United States	Record high minimum temperature	21.1 C (70.0 F)	42 of 100 (Notable)
Bagdad	United States	Record low minimum temperature	-0.6 C (30.9 F)	42 of 100 (Notable)
Tombstone	United States	Record low maximum temperature	13.9 C (57.0 F)	42 of 100 (Notable)
Mancos 1SW	United States	Record low maximum temperature	10.0 C (50.0 F)	42 of 100 (Notable)
Vaiden 1 SSW	United States	Record daily precipitation	121.9 mm (4.8 in)	42 of 100 (Notable)
Jose Cardel	Mexico	Record high maximum temperature	41.7 C (107.1 F)	41 of 100 (Notable)
Keiser	United States	Record daily precipitation	146.3 mm (5.8 in)	41 of 100 (Notable)
Sebree 1 E	United States	Record daily precipitation	53.8 mm (2.1 in)	41 of 100 (Notable)
Marble Hill	United States	Record daily precipitation	71.9 mm (2.8 in)	41 of 100 (Notable)
Espanola	United States	Record low minimum temperature	-6.1 C (21.0 F)	41 of 100 (Notable)
El Carmen (Smn)	Mexico	Record high maximum temperature	43.9 C (111.0 F)	40 of 100 (Notable)
Georgetown	United States	Record daily precipitation	84.6 mm (3.3 in)	40 of 100 (Notable)
Memphis Intl AP	United States	Record daily precipitation	88.9 mm (3.5 in)	40 of 100 (Notable)
Newark Liberty Intl AP	United States	Record high maximum temperature	31.1 C (88.0 F)	40 of 100 (Notable)
Benton	United States	Record daily precipitation	94.0 mm (3.7 in)	39 of 100 (Notable)
Eupora 2 E	United States	Record daily precipitation	60.7 mm (2.4 in)	39 of 100 (Notable)
Paducah	United States	Record daily precipitation	77.7 mm (3.1 in)	39 of 100 (Notable)
Cueramaro	Mexico	Record low minimum temperature	2.2 C (36.0 F)	38 of 100 (Notable)
Guamuchil	Mexico	Record low maximum temperature	26.1 C (79.0 F)	38 of 100 (Notable)
Wellesbourne	United Kingdom	Record daily precipitation	28.0 mm (1.1 in)	38 of 100 (Notable)
San Simon	United States	Record low minimum temperature	-2.2 C (28.0 F)	38 of 100 (Notable)
Orland	United States	Record low minimum temperature	-0.6 C (30.9 F)	38 of 100 (Notable)
Gilbertsville Ky Dam	United States	Record daily precipitation	68.6 mm (2.7 in)	38 of 100 (Notable)
Neshaminy Falls	United States	Record high maximum temperature	33.3 C (91.9 F)	38 of 100 (Notable)
Milan Exp STN	United States	Record daily precipitation	123.2 mm (4.9 in)	38 of 100 (Notable)
Ignacio Lopez Rayon	Mexico	Record low maximum temperature	27.8 C (82.0 F)	37 of 100 (Notable)
Gurabo Substn	Puerto Rico [United States]	Record high maximum temperature	36.1 C (97.0 F)	37 of 100 (Notable)
Ripley	United States	Record daily precipitation	171.5 mm (6.8 in)	37 of 100 (Notable)
Esquel Aero	Argentina	Record high minimum temperature	15.1 C (59.2 F)	36 of 100 (Notable)
Hawkinsville	United States	Record low minimum temperature	3.3 C (37.9 F)	36 of 100 (Notable)
Greensburg	United States	Record daily precipitation	70.6 mm (2.8 in)	36 of 100 (Notable)
Mammoth Cave	United States	Record daily precipitation	67.1 mm (2.6 in)	36 of 100 (Notable)
Mt Pleasant 4SW	United States	Record daily precipitation	99.1 mm (3.9 in)	36 of 100 (Notable)

Counts by Type and Timescale

1,151 records

Records set or tied on 1 May 2010 by type: Highest daily maximum 198, Lowest daily maximum 178, Highest daily minimum 319, Lowest daily minimum 196, Heaviest daily rainfall 246, Heaviest daily snowfall 9, Deepest snow cover 5.

Records on 1 May 2010 by type
Record type	Records
Highest daily maximum	198
Lowest daily maximum	178
Highest daily minimum	319
Lowest daily minimum	196
Heaviest daily rainfall	246
Heaviest daily snowfall	9
Deepest snow cover	5

Records on 1 May 2010 by timescale: all-time 11, monthly 108, daily 1,032.

How Much Records Were Beaten By

856 broken records

Margins by which the 856 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 330.0. Ties are not counted.

Top 20 by Significance

1 May 2010

Top 20 records on 1 May 2010 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 May 2010	Brownsville, US	all-time rain	406.4 mm (16.0 in)	221.0 mm (8.7 in)	22 years	76 of 100 (Major)
1 May 2010	Moscow, US	all-time rain	259.1 mm (10.2 in)	42.7 mm (1.7 in)	75 years	76 of 100 (Major)
1 May 2010	Bowling Green Warren Co AP, US	monthly rain	120.7 mm (4.8 in)	22.9 mm (0.9 in)	95 years	65 of 100 (Major)
1 May 2010	Augusta, US	daily rain	137.9 mm (5.4 in)	86.1 mm (3.4 in)	40 years	58 of 100 (Notable)
1 May 2010	Nagappattinam, IN	daily rain	84.1 mm (3.3 in)	60.2 mm (2.4 in)	61 years	54 of 100 (Notable)
1 May 2010	Kandalaksa, RU	daily rain	28.8 mm (1.1 in)	16.7 mm (0.7 in)	16 years	53 of 100 (Notable)
1 May 2010	Ogden Pioneer Ph, US	daily rain	46.5 mm (1.8 in)	29.7 mm (1.2 in)	27 years	53 of 100 (Notable)
1 May 2010	Murray, US	daily rain	88.6 mm (3.5 in)	40.3 mm (1.6 in)	48 years	48 of 100 (Notable)
1 May 2010	Mayo, US	daily rain	125.7 mm (4.9 in)	85.3 mm (3.4 in)	5 years	47 of 100 (Notable)
1 May 2010	Glendale, US	daily rain	83.1 mm (3.3 in)	42.5 mm (1.7 in)	43 years	47 of 100 (Notable)
1 May 2010	Nashville Intl AP, US	monthly rain	160.5 mm (6.3 in)	42.9 mm (1.7 in)	6 years	47 of 100 (Notable)
1 May 2010	Perry, US	monthly rain	162.6 mm (6.4 in)	24.2 mm (1.0 in)	40 years	46 of 100 (Notable)
1 May 2010	Toms River, US	daily high max	33.9 C (93.0 F)	3.3 C (5.9 F)	110 years	46 of 100 (Notable)
1 May 2010	Hampstead, GB	monthly rain	51.0 mm (2.0 in)	11.4 mm (0.4 in)	34 years	45 of 100 (Notable)
1 May 2010	Paradise, US	monthly low max	10.6 C (51.1 F)	1.1 C (2.0 F)	74 years	45 of 100 (Notable)
1 May 2010	Brinkley, US	daily rain	76.2 mm (3.0 in)	40.1 mm (1.6 in)	44 years	45 of 100 (Notable)
1 May 2010	Danville, US	daily rain	79.2 mm (3.1 in)	29.4 mm (1.2 in)	65 years	45 of 100 (Notable)
1 May 2010	Jamestown Wwtp, US	daily rain	108.0 mm (4.3 in)	83.4 mm (3.3 in)	5 years	45 of 100 (Notable)
1 May 2010	Lake City 2 E, US	daily rain	87.6 mm (3.4 in)	43.1 mm (1.7 in)	21 years	44 of 100 (Notable)
1 May 2010	Mansfield 4 NW, US	daily high min	21.1 C (70.0 F)	1.7 C (3.1 F)	110 years	44 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 2010

Records set or tied on this calendar date in each year from 1795 to 2010. 2010 had 1,151 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	912
2024	458
2025	430
2026	623

Download the Data

Data for records on 2010-05-01: 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-18. Last revised 18 October 2026 (2026-10-18).

Margin	Records
0 to 50	846
50 to 100	8
100 to 150	0
150 to 200	0
200 to 250	1
250 to 300	0
300 to 350	1