Weather Records on 20 May 2000

991 weather records were set or tied worldwide on 20 May 2000. Highest significance: Siauliai, LT.

Key Facts for 20 May 2000

On 20 May 2000, 991 weather records were set or tied at long-record stations worldwide.
342 were record highs and 403 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 36 monthly and 955 daily.
Siauliai set a daily record precipitation of 43.2 mm (1.7 in) on 20 May 2000.
Across 162 earlier years (1802 to 2026) the same calendar date averaged 452 records.

Record Map

991 stations

991 station records on 20 May 2000 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 May 2000: highest significance records shown on the map
Station	Country	Type	Value	Significance
Siauliai	Lithuania	Record daily precipitation	43.2 mm (1.7 in)	58 of 100 (Notable)
Katandra	Australia	Record daily precipitation	41.0 mm (1.6 in)	55 of 100 (Notable)
Cuero	United States	Record daily precipitation	106.7 mm (4.2 in)	54 of 100 (Notable)
Tomball	United States	Record daily precipitation	154.9 mm (6.1 in)	53 of 100 (Notable)
Presa Potrerillos	Mexico	Record daily precipitation	41.1 mm (1.6 in)	51 of 100 (Notable)
Svenska Hogarna	Sweden	Record daily precipitation	30.7 mm (1.2 in)	50 of 100 (Notable)
Weslaco	United States	Record daily precipitation	92.5 mm (3.6 in)	50 of 100 (Notable)
Parsons 3 SE	United States	Record daily precipitation	54.6 mm (2.1 in)	50 of 100 (Notable)
Nonda Downs Station	Australia	Record daily precipitation	30.0 mm (1.2 in)	49 of 100 (Notable)
Abelardo L. Rodriguez	Mexico	Record daily precipitation	60.5 mm (2.4 in)	49 of 100 (Notable)
El Tejocote	Mexico	Record daily precipitation	42.4 mm (1.7 in)	49 of 100 (Notable)
Ozerna	Ukraine	Record daily precipitation	26.0 mm (1.0 in)	49 of 100 (Notable)
Bhopal/Bairagarh	India	Record daily precipitation	47.0 mm (1.9 in)	48 of 100 (Notable)
Kitadaito	Japan	Record daily precipitation	167.0 mm (6.6 in)	48 of 100 (Notable)
Presa Plutarco Elias Calles	Mexico	Record daily precipitation	52.3 mm (2.1 in)	48 of 100 (Notable)
Venadero (Dge)	Mexico	Record daily precipitation	61.0 mm (2.4 in)	48 of 100 (Notable)
McGregor	United States	Record low maximum temperature	18.9 C (66.0 F)	48 of 100 (Notable)
Mossman South Alchera Drive	Australia	Record daily precipitation	50.0 mm (2.0 in)	47 of 100 (Notable)
Ahmadabad	India	Record daily precipitation	72.9 mm (2.9 in)	47 of 100 (Notable)
Santiago Yeche	Mexico	Record daily precipitation	39.9 mm (1.6 in)	47 of 100 (Notable)
Elgin Water	United States	Record low maximum temperature	9.4 C (48.9 F)	47 of 100 (Notable)
Port Jervis	United States	Record low maximum temperature	8.3 C (46.9 F)	47 of 100 (Notable)
Parras	Mexico	Record daily precipitation	61.0 mm (2.4 in)	46 of 100 (Notable)
Danevang 1 W	United States	Record daily precipitation	87.1 mm (3.4 in)	46 of 100 (Notable)
Ventspils	Latvia	Record daily precipitation	36.1 mm (1.4 in)	45 of 100 (Notable)
Huetamo	Mexico	Record low maximum temperature	32.8 C (91.0 F)	45 of 100 (Notable)
Avon	United States	Record low maximum temperature	8.9 C (48.0 F)	45 of 100 (Notable)
McKinney Muni AP	United States	Record low maximum temperature	18.9 C (66.0 F)	45 of 100 (Notable)
Weston	United States	Record daily precipitation	41.4 mm (1.6 in)	45 of 100 (Notable)
Malpaso	Mexico	Record daily precipitation	42.9 mm (1.7 in)	43 of 100 (Notable)
San Pedro del Gallo (Smn)	Mexico	Record low maximum temperature	20.0 C (68.0 F)	43 of 100 (Notable)
Biloxi	United States	Record high minimum temperature	25.6 C (78.1 F)	43 of 100 (Notable)
Sonnblick	Austria	Record low maximum temperature	-11.8 C (10.8 F)	42 of 100 (Notable)
Madisonville	United States	Record daily precipitation	88.9 mm (3.5 in)	42 of 100 (Notable)
Pt Comfort	United States	Record daily precipitation	78.2 mm (3.1 in)	42 of 100 (Notable)
Tully Sugar Mill	Australia	Record daily precipitation	134.0 mm (5.3 in)	41 of 100 (Notable)
Uil	Kazakhstan	Record low minimum temperature	1.5 C (34.7 F)	41 of 100 (Notable)
Meade	United States	Record low minimum temperature	4.4 C (39.9 F)	41 of 100 (Notable)
Farmington	United States	Record low minimum temperature	-2.2 C (28.0 F)	41 of 100 (Notable)
Waverly	United States	Record low maximum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Charleroi Lock 4	United States	Record daily precipitation	40.9 mm (1.6 in)	41 of 100 (Notable)
Presa la Flor	Mexico	Record daily precipitation	27.9 mm (1.1 in)	40 of 100 (Notable)
Cardenas	Mexico	Record low maximum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Kamennaja-Step	Russia	Record low minimum temperature	1.0 C (33.8 F)	40 of 100 (Notable)
Sierra City	United States	Record high minimum temperature	12.8 C (55.0 F)	40 of 100 (Notable)
Calacoaya	Mexico	Record daily precipitation	51.6 mm (2.0 in)	39 of 100 (Notable)
Minatitlan	Mexico	Record daily precipitation	78.0 mm (3.1 in)	39 of 100 (Notable)
Conway	United States	Record low maximum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Hillsdale	United States	Record low maximum temperature	8.3 C (46.9 F)	39 of 100 (Notable)
Anahuac	United States	Record daily precipitation	152.4 mm (6.0 in)	39 of 100 (Notable)
Putnam	United States	Record daily precipitation	39.4 mm (1.6 in)	39 of 100 (Notable)
Isla Arenas	Mexico	Record daily precipitation	53.6 mm (2.1 in)	38 of 100 (Notable)
Warrensburg 4NW	United States	Record low maximum temperature	15.0 C (59.0 F)	38 of 100 (Notable)
Crane	United States	Record low maximum temperature	21.1 C (70.0 F)	38 of 100 (Notable)
Appleton	United States	Record low minimum temperature	-1.1 C (30.0 F)	38 of 100 (Notable)
New London	United States	Record low minimum temperature	-1.7 C (28.9 F)	38 of 100 (Notable)
Sonnblick	Austria	Record low minimum temperature	-14.3 C (6.3 F)	37 of 100 (Notable)
San Juan Chamula	Mexico	Record daily precipitation	49.8 mm (2.0 in)	37 of 100 (Notable)
Mossman Central Mill	Australia	Record daily precipitation	42.6 mm (1.7 in)	36 of 100 (Notable)
Vuna Station	Australia	Record daily precipitation	50.0 mm (2.0 in)	36 of 100 (Notable)

Counts by Type and Timescale

991 records

Records set or tied on 20 May 2000 by type: Highest daily maximum 132, Lowest daily maximum 267, Highest daily minimum 210, Lowest daily minimum 136, Heaviest daily rainfall 245, Heaviest daily snowfall 1.

Records on 20 May 2000 by type
Record type	Records
Highest daily maximum	132
Lowest daily maximum	267
Highest daily minimum	210
Lowest daily minimum	136
Heaviest daily rainfall	245
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 20 May 2000 by timescale: all-time 0, monthly 36, daily 955.

How Much Records Were Beaten By

734 broken records

Margins by which the 734 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 105.0. Ties are not counted.

Top 20 by Significance

20 May 2000

Top 20 records on 20 May 2000 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 May 2000	Siauliai, LT	daily rain	43.2 mm (1.7 in)	30.2 mm (1.2 in)	43 years	58 of 100 (Notable)
20 May 2000	Katandra, AU	daily rain	41.0 mm (1.6 in)	40.0 mm (1.6 in)	81 years	55 of 100 (Notable)
20 May 2000	Cuero, US	daily rain	106.7 mm (4.2 in)	65.6 mm (2.6 in)	53 years	54 of 100 (Notable)
20 May 2000	Tomball, US	monthly rain	154.9 mm (6.1 in)	47.2 mm (1.9 in)	53 years	53 of 100 (Notable)
20 May 2000	Presa Potrerillos, MX	daily rain	41.1 mm (1.6 in)	36.0 mm (1.4 in)	22 years	51 of 100 (Notable)
20 May 2000	Svenska Hogarna, SE	monthly rain	30.7 mm (1.2 in)	3.5 mm (0.14 in)	70 years	50 of 100 (Notable)
20 May 2000	Weslaco, US	daily rain	92.5 mm (3.6 in)	75.5 mm (3.0 in)	36 years	50 of 100 (Notable)
20 May 2000	Parsons 3 SE, US	daily rain	54.6 mm (2.1 in)	17.3 mm (0.7 in)	92 years	50 of 100 (Notable)
20 May 2000	Nonda Downs Station, AU	daily rain	30.0 mm (1.2 in)	30.0 mm (1.2 in)	87 years	49 of 100 (Notable)
20 May 2000	Abelardo L. Rodriguez, MX	daily rain	60.5 mm (2.4 in)	35.1 mm (1.4 in)	54 years	49 of 100 (Notable)
20 May 2000	El Tejocote, MX	daily rain	42.4 mm (1.7 in)	29.4 mm (1.2 in)	21 years	49 of 100 (Notable)
20 May 2000	Ozerna, UA	daily rain	26.0 mm (1.0 in)	19.4 mm (0.8 in)	35 years	49 of 100 (Notable)
20 May 2000	Bhopal/Bairagarh, IN	daily rain	47.0 mm (1.9 in)	46.0 mm (1.8 in)	39 years	48 of 100 (Notable)
20 May 2000	Kitadaito, JP	daily rain	167.0 mm (6.6 in)	105.0 mm (4.1 in)	22 years	48 of 100 (Notable)
20 May 2000	Presa Plutarco Elias Calles, MX	daily rain	52.3 mm (2.1 in)	30.5 mm (1.2 in)	22 years	48 of 100 (Notable)
20 May 2000	Venadero (Dge), MX	monthly rain	61.0 mm (2.4 in)	19.1 mm (0.8 in)	13 years	48 of 100 (Notable)
20 May 2000	McGregor, US	daily low max	18.9 C (66.0 F)	3.3 C (5.9 F)	106 years	48 of 100 (Notable)
20 May 2000	Mossman South Alchera Drive, AU	daily rain	50.0 mm (2.0 in)	27.4 mm (1.1 in)	36 years	47 of 100 (Notable)
20 May 2000	Ahmadabad, IN	monthly rain	72.9 mm (2.9 in)	22.9 mm (0.9 in)	18 years	47 of 100 (Notable)
20 May 2000	Santiago Yeche, MX	daily rain	39.9 mm (1.6 in)	28.0 mm (1.1 in)	25 years	47 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 2000

Records set or tied on this calendar date in each year from 1802 to 2000. 2000 had 991 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 2000-05-20: 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 2026-10-16 (16 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	673
20 to 40	42
40 to 60	13
60 to 80	5
80 to 100	0
100 to 120	1