Weather Records on 20 May 2002

2,299 weather records were set or tied worldwide on 20 May 2002. Highest significance: Divide, US.

Key Facts for 20 May 2002

On 20 May 2002, 2,299 weather records were set or tied at long-record stations worldwide.
373 were record highs and 1,706 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 36 monthly and 2,262 daily.
Divide set an all-time record daily precipitation of 129.5 mm (5.1 in) on 20 May 2002.
Across 162 earlier years (1802 to 2026) the same calendar date averaged 444 records.

Record Map

2,000 stations, highest significance shown

2,000 station records on 20 May 2002 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 May 2002: highest significance records shown on the map
Station	Country	Type	Value	Significance
Divide	United States	Record daily precipitation	129.5 mm (5.1 in)	78 of 100 (Major)
Madison	United States	Record low maximum temperature	15.6 C (60.1 F)	60 of 100 (Major)
Mather	United States	Record daily precipitation	49.0 mm (1.9 in)	56 of 100 (Notable)
Sacramento 5 ESE	United States	Record daily precipitation	31.0 mm (1.2 in)	55 of 100 (Notable)
Oroville	United States	Record daily precipitation	41.9 mm (1.6 in)	53 of 100 (Notable)
Burra Community School	Australia	Record daily precipitation	34.0 mm (1.3 in)	51 of 100 (Notable)
Highland Home	United States	Record low minimum temperature	3.9 C (39.0 F)	51 of 100 (Notable)
Urjupino	Russia	Record daily precipitation	27.9 mm (1.1 in)	49 of 100 (Notable)
Merced	United States	Record low minimum temperature	1.7 C (35.1 F)	48 of 100 (Notable)
Raleigh State UNIV	United States	Record low minimum temperature	5.0 C (41.0 F)	48 of 100 (Notable)
Armadillo de Los Infante	Mexico	Record daily precipitation	61.5 mm (2.4 in)	47 of 100 (Notable)
New Braunfels	United States	Record low minimum temperature	7.2 C (45.0 F)	47 of 100 (Notable)
Greeneville Exp STN	United States	Record low minimum temperature	-1.7 C (28.9 F)	46 of 100 (Notable)
Sewanee	United States	Record low minimum temperature	3.3 C (37.9 F)	46 of 100 (Notable)
Mogoca	Russia	Record daily precipitation	27.5 mm (1.1 in)	45 of 100 (Notable)
Chapel Hill 2 W	United States	Record low minimum temperature	4.4 C (39.9 F)	45 of 100 (Notable)
Monroe 2 SE	United States	Record low minimum temperature	3.3 C (37.9 F)	45 of 100 (Notable)
Philippi	United States	Record low minimum temperature	0.0 C (32.0 F)	45 of 100 (Notable)
Asheville	United States	Record low minimum temperature	0.6 C (33.1 F)	45 of 100 (Notable)
Ardtalnaig	United Kingdom	Record daily precipitation	34.3 mm (1.4 in)	44 of 100 (Notable)
Lumpkin 2 SE	United States	Record low minimum temperature	4.4 C (39.9 F)	44 of 100 (Notable)
Waynesboro 2 W	United States	Record low minimum temperature	3.3 C (37.9 F)	44 of 100 (Notable)
Charlotteburg Rsvr	United States	Record low minimum temperature	-2.2 C (28.0 F)	44 of 100 (Notable)
Newport 1 NW	United States	Record low minimum temperature	2.2 C (36.0 F)	44 of 100 (Notable)
Angleton 2 W	United States	Record low maximum temperature	23.3 C (73.9 F)	44 of 100 (Notable)
Snowshoe Lake	United States	Record snow depth	63.5 cm (25.0 in)	44 of 100 (Notable)
Ft Pierce	United States	Record low maximum temperature	23.3 C (73.9 F)	43 of 100 (Notable)
Middleburg	United States	Record low minimum temperature	8.9 C (48.0 F)	43 of 100 (Notable)
Palatka	United States	Record low maximum temperature	22.8 C (73.0 F)	43 of 100 (Notable)
Henderson 8 SSW	United States	Record low minimum temperature	3.9 C (39.0 F)	43 of 100 (Notable)
Grand Coteau	United States	Record low minimum temperature	8.3 C (46.9 F)	43 of 100 (Notable)
Hart 3 WSW	United States	Record low minimum temperature	-5.6 C (21.9 F)	43 of 100 (Notable)
Columbia	United States	Record low minimum temperature	7.2 C (45.0 F)	43 of 100 (Notable)
Angelica	United States	Record low maximum temperature	6.7 C (44.1 F)	43 of 100 (Notable)
Lexington	United States	Record low minimum temperature	4.4 C (39.9 F)	43 of 100 (Notable)
Waynesville 1 E	United States	Record low minimum temperature	-1.1 C (30.0 F)	43 of 100 (Notable)
Millport 4 NE	United States	Record low maximum temperature	10.0 C (50.0 F)	43 of 100 (Notable)
Yemassee 1 N	United States	Record low maximum temperature	21.1 C (70.0 F)	43 of 100 (Notable)
Falfurrias	United States	Record low maximum temperature	23.3 C (73.9 F)	43 of 100 (Notable)
Marlin	United States	Record low minimum temperature	7.8 C (46.0 F)	43 of 100 (Notable)
Talladega	United States	Record low minimum temperature	5.6 C (42.1 F)	42 of 100 (Notable)
Searcy	United States	Record low maximum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Huntington Lake	United States	Record daily precipitation	41.4 mm (1.6 in)	42 of 100 (Notable)
Sonoma	United States	Record low maximum temperature	15.6 C (60.1 F)	42 of 100 (Notable)
Middleburg	United States	Record low maximum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Logansport Cicott St	United States	Record low minimum temperature	1.1 C (34.0 F)	42 of 100 (Notable)
Farmerville	United States	Record low minimum temperature	7.8 C (46.0 F)	42 of 100 (Notable)
Winnsboro 5 SSE	United States	Record low minimum temperature	8.3 C (46.9 F)	42 of 100 (Notable)
Georgetown 2 E	United States	Record low minimum temperature	6.7 C (44.1 F)	42 of 100 (Notable)
Tullahoma	United States	Record low minimum temperature	2.8 C (37.0 F)	42 of 100 (Notable)
Burkes Garden	United States	Record low minimum temperature	-4.4 C (24.1 F)	42 of 100 (Notable)
Marlinton	United States	Record low maximum temperature	8.9 C (48.0 F)	42 of 100 (Notable)
Green Bay	United States	Record low minimum temperature	-1.1 C (30.0 F)	42 of 100 (Notable)
Geneseo	United States	Record low maximum temperature	10.6 C (51.1 F)	41 of 100 (Notable)
Sparta 1 W	United States	Record low minimum temperature	3.3 C (37.9 F)	41 of 100 (Notable)
Mt Sterling	United States	Record low minimum temperature	-0.6 C (30.9 F)	41 of 100 (Notable)
Farmerville	United States	Record low maximum temperature	21.7 C (71.1 F)	41 of 100 (Notable)
Cheboygan	United States	Record low maximum temperature	7.2 C (45.0 F)	41 of 100 (Notable)
Gaylord	United States	Record low maximum temperature	5.6 C (42.1 F)	41 of 100 (Notable)
Canton 4N	United States	Record low minimum temperature	6.7 C (44.1 F)	41 of 100 (Notable)

Counts by Type and Timescale

2,299 records

Records set or tied on 20 May 2002 by type: Highest daily maximum 179, Lowest daily maximum 662, Highest daily minimum 194, Lowest daily minimum 1,044, Heaviest daily rainfall 207, Heaviest daily snowfall 8, Deepest snow cover 5.

Records on 20 May 2002 by type
Record type	Records
Highest daily maximum	179
Lowest daily maximum	662
Highest daily minimum	194
Lowest daily minimum	1,044
Heaviest daily rainfall	207
Heaviest daily snowfall	8
Deepest snow cover	5

Records on 20 May 2002 by timescale: all-time 1, monthly 36, daily 2,262.

How Much Records Were Beaten By

1,835 broken records

Margins by which the 1,835 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 559.0. Ties are not counted.

Top 20 by Significance

20 May 2002

Top 20 records on 20 May 2002 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 May 2002	Divide, US	all-time rain	129.5 mm (5.1 in)	86.3 mm (3.4 in)	33 years	78 of 100 (Major)
20 May 2002	Madison, US	daily low max	15.6 C (60.1 F)	7.7 C (13.9 F)	85 years	60 of 100 (Major)
20 May 2002	Mather, US	daily rain	49.0 mm (1.9 in)	36.3 mm (1.4 in)	44 years	56 of 100 (Notable)
20 May 2002	Sacramento 5 ESE, US	daily rain	31.0 mm (1.2 in)	15.3 mm (0.6 in)	80 years	55 of 100 (Notable)
20 May 2002	Oroville, US	daily rain	41.9 mm (1.6 in)	39.6 mm (1.6 in)	29 years	53 of 100 (Notable)
20 May 2002	Burra Community School, AU	daily rain	34.0 mm (1.3 in)	21.8 mm (0.9 in)	36 years	51 of 100 (Notable)
20 May 2002	Highland Home, US	monthly low min	3.9 C (39.0 F)	0.5 C (0.9 F)	107 years	51 of 100 (Notable)
20 May 2002	Urjupino, RU	daily rain	27.9 mm (1.1 in)	18.2 mm (0.7 in)	56 years	49 of 100 (Notable)
20 May 2002	Merced, US	daily low min	1.7 C (35.1 F)	2.7 C (4.9 F)	100 years	48 of 100 (Notable)
20 May 2002	Raleigh State UNIV, US	daily low min	5.0 C (41.0 F)	3.3 C (5.9 F)	107 years	48 of 100 (Notable)
20 May 2002	Armadillo de Los Infante, MX	daily rain	61.5 mm (2.4 in)	35.6 mm (1.4 in)	20 years	47 of 100 (Notable)
20 May 2002	New Braunfels, US	daily low min	7.2 C (45.0 F)	2.8 C (5.0 F)	107 years	47 of 100 (Notable)
20 May 2002	Greeneville Exp STN, US	daily low min	-1.7 C (28.9 F)	2.8 C (5.0 F)	107 years	46 of 100 (Notable)
20 May 2002	Sewanee, US	daily low min	3.3 C (37.9 F)	5.0 C (9.0 F)	81 years	46 of 100 (Notable)
20 May 2002	Mogoca, RU	daily rain	27.5 mm (1.1 in)	7.6 mm (0.30 in)	76 years	45 of 100 (Notable)
20 May 2002	Chapel Hill 2 W, US	daily low min	4.4 C (39.9 F)	2.3 C (4.1 F)	107 years	45 of 100 (Notable)
20 May 2002	Monroe 2 SE, US	daily low min	3.3 C (37.9 F)	2.8 C (5.0 F)	97 years	45 of 100 (Notable)
20 May 2002	Monterey, US	daily rain	24.1 mm (0.9 in)	17.7 mm (0.7 in)	89 years	20 of 100 (Routine)
20 May 2002	Usugli, RU	daily rain	20.1 mm (0.8 in)	14.8 mm (0.6 in)	61 years	20 of 100 (Routine)
20 May 2002	Davis 2 WSW Exp Farm, US	daily rain	13.5 mm (0.5 in)	7.7 mm (0.30 in)	76 years	20 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

1802 to 2002

Records set or tied on this calendar date in each year from 1802 to 2002. 2002 had 2,299 records.

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

Records on 05-20 in each year
Year	Records
1802	1
1803	1
1804	1
1815	1
1825	1
1837	1
1844	1
1845	3
1847	1
1854	1
1858	3
1861	1
1862	1
1865	1
1867	1
1868	2
1870	3
1871	2
1876	2
1877	3
1879	1
1880	2
1884	2
1885	1
1887	2
1889	3
1890	3
1891	5
1892	3
1893	1
1894	6
1895	3
1896	3
1897	3
1898	4
1899	4
1900	1
1901	5
1902	11
1903	19
1904	4
1905	4
1906	22
1907	35
1908	23
1909	10
1910	20
1911	82
1912	20
1913	10
1914	16
1915	42
1916	29
1917	46
1918	92
1919	56
1920	44
1921	234
1922	40
1923	125
1924	189
1925	251
1926	128
1927	118
1928	138
1929	323
1930	129
1931	451
1932	689
1933	449
1934	582
1935	259
1936	207
1937	270
1938	331
1939	266
1940	337
1941	378
1942	337
1943	802
1944	315
1945	498
1946	339
1947	358
1948	514
1949	586
1950	327
1951	288
1952	615
1953	518
1954	822
1955	421
1956	565
1957	728
1958	378
1959	785
1960	612
1961	333
1962	773
1963	732
1964	517
1965	200
1966	416
1967	587
1968	743
1969	885
1970	310
1971	653
1972	612
1973	419
1974	893
1975	1,332
1976	837
1977	553
1978	534
1979	683
1980	751
1981	1,540
1982	554
1983	1,307
1984	867
1985	426
1986	790
1987	1,036
1988	805
1989	764
1990	722
1991	925
1992	1,200
1993	1,208
1994	778
1995	734
1996	1,749
1997	1,106
1998	1,124
1999	673
2000	991
2001	847
2002	2,299
2003	1,201
2004	746
2005	929
2006	1,006
2007	565
2008	999
2009	1,529
2010	1,011
2011	1,117
2012	604
2013	919
2014	629
2015	1,001
2016	692
2017	1,214
2018	460
2019	1,483
2020	784
2021	904
2022	1,643
2023	1,106
2024	478
2025	969
2026	696

Download the Data

Data for records on 2002-05-20: 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 2026-10-15 (15 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 100	1,834
100 to 200	0
200 to 300	0
300 to 400	0
400 to 500	0
500 to 600	1