Weather Records on 21 May 2005

1,020 weather records were set or tied worldwide on 21 May 2005. Highest significance: Moyale, KE.

Key Facts for 21 May 2005

On 21 May 2005, 1,020 weather records were set or tied at long-record stations worldwide.
747 were record highs and 126 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 22 monthly and 996 daily.
Moyale set a daily record precipitation of 151.1 mm (5.9 in) on 21 May 2005.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 457 records.

Record Map

1,020 stations

1,020 station records on 21 May 2005 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 May 2005: highest significance records shown on the map
Station	Country	Type	Value	Significance
Moyale	Kenya	Record daily precipitation	151.1 mm (5.9 in)	58 of 100 (Notable)
Towner 2 NE	United States	Record daily precipitation	44.5 mm (1.8 in)	58 of 100 (Notable)
Garissa	Kenya	Record daily precipitation	71.9 mm (2.8 in)	55 of 100 (Notable)
Willow City	United States	Record daily precipitation	47.0 mm (1.9 in)	55 of 100 (Notable)
Mt Pleasant	United States	Record high maximum temperature	40.6 C (105.1 F)	52 of 100 (Notable)
Hamelin Pool	Australia	Record daily precipitation	60.0 mm (2.4 in)	51 of 100 (Notable)
Port Sudan	Sudan	Record daily precipitation	59.9 mm (2.4 in)	48 of 100 (Notable)
Arkadelphia 2 N	United States	Record high maximum temperature	36.1 C (97.0 F)	48 of 100 (Notable)
Cordele	United States	Record daily precipitation	38.9 mm (1.5 in)	48 of 100 (Notable)
Mechanicsville 5 NE	United States	Record daily precipitation	46.5 mm (1.8 in)	48 of 100 (Notable)
Garrison	United States	Record daily precipitation	40.6 mm (1.6 in)	47 of 100 (Notable)
Guntersville	United States	Record daily precipitation	61.0 mm (2.4 in)	46 of 100 (Notable)
Nashville	United States	Record high maximum temperature	36.1 C (97.0 F)	46 of 100 (Notable)
Telluride 4WNW	United States	Record high maximum temperature	26.1 C (79.0 F)	44 of 100 (Notable)
Tyler Pounds Fld	United States	Record high maximum temperature	36.1 C (97.0 F)	44 of 100 (Notable)
Carnarvon Airport	Australia	Record daily precipitation	42.2 mm (1.7 in)	43 of 100 (Notable)
Gunnison 3SW	United States	Record high maximum temperature	28.3 C (82.9 F)	43 of 100 (Notable)
Mason City	United States	Record high maximum temperature	31.7 C (89.1 F)	43 of 100 (Notable)
Taos	United States	Record high maximum temperature	31.7 C (89.1 F)	43 of 100 (Notable)
Halliday	United States	Record daily precipitation	40.6 mm (1.6 in)	43 of 100 (Notable)
Bowie	United States	Record high maximum temperature	40.0 C (104.0 F)	42 of 100 (Notable)
Willcox	United States	Record high maximum temperature	39.4 C (102.9 F)	42 of 100 (Notable)
Grand Coteau	United States	Record high maximum temperature	35.0 C (95.0 F)	42 of 100 (Notable)
Pearce - Sunsites	United States	Record high maximum temperature	38.3 C (100.9 F)	41 of 100 (Notable)
Paonia 1SW	United States	Record high maximum temperature	32.2 C (90.0 F)	41 of 100 (Notable)
Saguache	United States	Record high maximum temperature	27.8 C (82.0 F)	41 of 100 (Notable)
Sharon Springs	United States	Record high minimum temperature	18.9 C (66.0 F)	41 of 100 (Notable)
John Day	United States	Record daily precipitation	30.5 mm (1.2 in)	40 of 100 (Notable)
Tilzapotla	Mexico	Record low maximum temperature	25.0 C (77.0 F)	39 of 100 (Notable)
Tenerife/Los Rodeos	Spain	Record high minimum temperature	16.9 C (62.4 F)	39 of 100 (Notable)
Boaz	United States	Record daily precipitation	55.1 mm (2.2 in)	39 of 100 (Notable)
Ft Bayard 4W	United States	Record high minimum temperature	16.7 C (62.1 F)	39 of 100 (Notable)
Minot Exp STN	United States	Record daily precipitation	32.3 mm (1.3 in)	39 of 100 (Notable)
El OCOTITO	Mexico	Record daily precipitation	90.7 mm (3.6 in)	38 of 100 (Notable)
Florence	United States	Record high maximum temperature	42.2 C (108.0 F)	38 of 100 (Notable)
Tucson WFO	United States	Record high maximum temperature	41.1 C (106.0 F)	38 of 100 (Notable)
Perry	United States	Record high maximum temperature	36.1 C (97.0 F)	38 of 100 (Notable)
Pali Golf Course 788.1	United States	Record daily precipitation	49.0 mm (1.9 in)	38 of 100 (Notable)
New Orleans Audubon	United States	Record high maximum temperature	35.0 C (95.0 F)	38 of 100 (Notable)
Winslow AP	United States	Record high maximum temperature	35.6 C (96.1 F)	38 of 100 (Notable)
Concordia ASOS	United States	Record high maximum temperature	35.6 C (96.1 F)	37 of 100 (Notable)
Hamelin Station	Australia	Record daily precipitation	53.0 mm (2.1 in)	36 of 100 (Notable)
Dushanbe	Tajikistan	Record low minimum temperature	6.5 C (43.7 F)	36 of 100 (Notable)
Abbeville	United States	Record daily precipitation	57.4 mm (2.3 in)	36 of 100 (Notable)
Canon City	United States	Record high maximum temperature	33.3 C (91.9 F)	36 of 100 (Notable)
Norman 3SSE	United States	Record high maximum temperature	35.6 C (96.1 F)	36 of 100 (Notable)
Paris	United States	Record high maximum temperature	36.1 C (97.0 F)	36 of 100 (Notable)
Goodland	United States	Record high minimum temperature	17.2 C (63.0 F)	36 of 100 (Notable)
San Juan Peyotan	Mexico	Record low maximum temperature	30.0 C (86.0 F)	35 of 100 (Notable)
Beira	Mozambique	Record daily precipitation	99.1 mm (3.9 in)	35 of 100 (Notable)
Ohotsk	Russia	Record high maximum temperature	17.6 C (63.7 F)	35 of 100 (Notable)
Jerome	United States	Record high minimum temperature	20.0 C (68.0 F)	35 of 100 (Notable)
Seligman	United States	Record high maximum temperature	33.9 C (93.0 F)	35 of 100 (Notable)
Ft Collins	United States	Record high maximum temperature	32.2 C (90.0 F)	35 of 100 (Notable)
Ft Lewis	United States	Record high maximum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
Glenn Dale Bell STN	United States	Record low maximum temperature	11.7 C (53.1 F)	35 of 100 (Notable)
Benkelman 1N	United States	Record high maximum temperature	37.8 C (100.0 F)	35 of 100 (Notable)
Geneva	United States	Record high maximum temperature	35.0 C (95.0 F)	35 of 100 (Notable)
Madrid	United States	Record high maximum temperature	36.1 C (97.0 F)	35 of 100 (Notable)
Ogallala	United States	Record high maximum temperature	36.7 C (98.1 F)	35 of 100 (Notable)

Counts by Type and Timescale

1,020 records

Records set or tied on 21 May 2005 by type: Highest daily maximum 535, Lowest daily maximum 62, Highest daily minimum 212, Lowest daily minimum 64, Heaviest daily rainfall 147.

Records on 21 May 2005 by type
Record type	Records
Highest daily maximum	535
Lowest daily maximum	62
Highest daily minimum	212
Lowest daily minimum	64
Heaviest daily rainfall	147
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 May 2005 by timescale: all-time 2, monthly 22, daily 996.

How Much Records Were Beaten By

764 broken records

Margins by which the 764 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 136.1. Ties are not counted.

Top 20 by Significance

21 May 2005

Top 20 records on 21 May 2005 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 May 2005	Moyale, KE	daily rain	151.1 mm (5.9 in)	136.1 mm (5.4 in)	36 years	58 of 100 (Notable)
21 May 2005	Towner 2 NE, US	daily rain	44.5 mm (1.8 in)	21.1 mm (0.8 in)	92 years	58 of 100 (Notable)
21 May 2005	Garissa, KE	daily rain	71.9 mm (2.8 in)	61.3 mm (2.4 in)	36 years	55 of 100 (Notable)
21 May 2005	Willow City, US	daily rain	47.0 mm (1.9 in)	20.8 mm (0.8 in)	84 years	55 of 100 (Notable)
21 May 2005	Mt Pleasant, US	monthly high max	40.6 C (105.1 F)	2.8 C (5.0 F)	84 years	52 of 100 (Notable)
21 May 2005	Hamelin Pool, AU	daily rain	60.0 mm (2.4 in)	17.6 mm (0.7 in)	87 years	51 of 100 (Notable)
21 May 2005	Port Sudan, SD	daily rain	59.9 mm (2.4 in)	48.9 mm (1.9 in)	16 years	48 of 100 (Notable)
21 May 2005	Arkadelphia 2 N, US	daily high max	36.1 C (97.0 F)	2.8 C (5.0 F)	103 years	48 of 100 (Notable)
21 May 2005	Cordele, US	daily rain	38.9 mm (1.5 in)	13.5 mm (0.5 in)	99 years	48 of 100 (Notable)
21 May 2005	Mechanicsville 5 NE, US	daily rain	46.5 mm (1.8 in)	22.1 mm (0.9 in)	74 years	48 of 100 (Notable)
21 May 2005	Garrison, US	daily rain	40.6 mm (1.6 in)	33.5 mm (1.3 in)	8 years	47 of 100 (Notable)
21 May 2005	Guntersville, US	daily rain	61.0 mm (2.4 in)	12.7 mm (0.5 in)	95 years	46 of 100 (Notable)
21 May 2005	Nashville, US	monthly high max	36.1 C (97.0 F)	1.1 C (2.0 F)	76 years	46 of 100 (Notable)
21 May 2005	Telluride 4WNW, US	daily high max	26.1 C (79.0 F)	2.2 C (4.0 F)	104 years	44 of 100 (Notable)
21 May 2005	Tyler Pounds Fld, US	daily high max	36.1 C (97.0 F)	1.7 C (3.1 F)	108 years	44 of 100 (Notable)
21 May 2005	Carnarvon Airport, AU	daily rain	42.2 mm (1.7 in)	28.5 mm (1.1 in)	52 years	43 of 100 (Notable)
21 May 2005	Gunnison 3SW, US	daily high max	28.3 C (82.9 F)	1.6 C (2.9 F)	104 years	43 of 100 (Notable)
21 May 2005	Mason City, US	daily high max	31.7 C (89.1 F)	2.3 C (4.1 F)	106 years	43 of 100 (Notable)
21 May 2005	Taos, US	daily high max	31.7 C (89.1 F)	1.7 C (3.1 F)	110 years	43 of 100 (Notable)
21 May 2005	Halliday, US	daily rain	40.6 mm (1.6 in)	27.6 mm (1.1 in)	43 years	43 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

1793 to 2005

Records set or tied on this calendar date in each year from 1793 to 2005. 2005 had 1,020 records.

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

Records on 05-21 in each year
Year	Records
1793	1
1795	1
1811	1
1837	2
1842	1
1847	2
1854	1
1857	1
1858	1
1865	1
1866	1
1870	2
1875	1
1876	1
1880	2
1882	1
1885	1
1886	2
1887	3
1889	5
1890	3
1891	6
1892	1
1893	1
1894	4
1895	4
1896	5
1897	2
1898	1
1899	5
1900	1
1901	3
1902	4
1903	26
1904	8
1905	7
1906	12
1907	36
1908	13
1909	13
1910	14
1911	87
1912	24
1913	13
1914	26
1915	24
1916	13
1917	76
1918	51
1919	170
1920	39
1921	158
1922	39
1923	125
1924	148
1925	250
1926	221
1927	207
1928	173
1929	247
1930	133
1931	488
1932	343
1933	290
1934	590
1935	190
1936	328
1937	227
1938	348
1939	355
1940	456
1941	525
1942	482
1943	463
1944	310
1945	515
1946	324
1947	485
1948	312
1949	593
1950	403
1951	271
1952	385
1953	501
1954	961
1955	507
1956	409
1957	709
1958	511
1959	684
1960	615
1961	306
1962	553
1963	598
1964	788
1965	238
1966	296
1967	1,022
1968	549
1969	832
1970	449
1971	536
1972	557
1973	493
1974	847
1975	1,160
1976	393
1977	756
1978	575
1979	787
1980	857
1981	1,550
1982	599
1983	1,106
1984	950
1985	610
1986	908
1987	1,242
1988	819
1989	671
1990	947
1991	1,065
1992	1,143
1993	1,197
1994	656
1995	749
1996	1,461
1997	953
1998	1,200
1999	544
2000	897
2001	1,187
2002	2,048
2003	807
2004	898
2005	1,020
2006	810
2007	894
2008	740
2009	1,315
2010	962
2011	959
2012	848
2013	884
2014	522
2015	956
2016	567
2017	780
2018	525
2019	1,668
2020	707
2021	1,131
2022	1,512
2023	794
2024	751
2025	776
2026	356

Download the Data

Data for records on 2005-05-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	741
20 to 40	19
40 to 60	1
60 to 80	2
80 to 100	0
100 to 120	0
120 to 140	1