Weather Records on 21 July 2009

1,306 weather records were set or tied worldwide on 21 July 2009. Highest significance: Ft Collins, US.

Key Facts for 21 July 2009

On 21 July 2009, 1,306 weather records were set or tied at long-record stations worldwide.
601 were record highs and 486 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 39 monthly and 1,262 daily.
Ft Collins set a daily record precipitation of 53.3 mm (2.1 in) on 21 July 2009.
Across 159 earlier years (1794 to 2026) the same calendar date averaged 461 records.

Record Map

1,306 stations

1,306 station records on 21 July 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 July 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ft Collins	United States	Record daily precipitation	53.3 mm (2.1 in)	72 of 100 (Major)
Parsons 2 NW	United States	Record daily precipitation	133.6 mm (5.3 in)	72 of 100 (Major)
Santiago de Compostela/Labacol	Spain	Record daily precipitation	58.0 mm (2.3 in)	65 of 100 (Major)
A Coruna	Spain	Record daily precipitation	28.6 mm (1.1 in)	63 of 100 (Major)
San Juan L M Marin Intl AP	Puerto Rico [United States]	Record daily precipitation	58.7 mm (2.3 in)	58 of 100 (Notable)
Rison	United States	Record low maximum temperature	23.9 C (75.0 F)	56 of 100 (Notable)
Tyler Pounds Fld	United States	Record daily precipitation	47.5 mm (1.9 in)	55 of 100 (Notable)
Independence	United States	Record daily precipitation	99.1 mm (3.9 in)	54 of 100 (Notable)
Waxahachie	United States	Record daily precipitation	60.2 mm (2.4 in)	52 of 100 (Notable)
Taivalkoski Inkee	Finland	Record daily precipitation	44.0 mm (1.7 in)	51 of 100 (Notable)
Chickamauga 2 SW	United States	Record low minimum temperature	11.7 C (53.1 F)	51 of 100 (Notable)
La Grange 1N	United States	Record low minimum temperature	14.4 C (57.9 F)	51 of 100 (Notable)
New Haven Tweed AP	United States	Record daily precipitation	72.6 mm (2.9 in)	51 of 100 (Notable)
A Coruna/Alvedro	Spain	Record daily precipitation	40.2 mm (1.6 in)	50 of 100 (Notable)
Melbourne Regional Office	Australia	Record high maximum temperature	19.6 C (67.3 F)	49 of 100 (Notable)
Cordele	United States	Record low minimum temperature	15.6 C (60.1 F)	49 of 100 (Notable)
Hernando	United States	Record low maximum temperature	24.4 C (75.9 F)	48 of 100 (Notable)
Mc Minnville	United States	Record low minimum temperature	12.2 C (54.0 F)	48 of 100 (Notable)
Sewanee	United States	Record low minimum temperature	12.8 C (55.0 F)	48 of 100 (Notable)
Mexquitic	Mexico	Record daily precipitation	55.9 mm (2.2 in)	47 of 100 (Notable)
Clanton	United States	Record low minimum temperature	14.4 C (57.9 F)	46 of 100 (Notable)
Tallahassee	United States	Record low minimum temperature	15.6 C (60.1 F)	46 of 100 (Notable)
Suomussalmi Haapovaara	Finland	Record daily precipitation	41.0 mm (1.6 in)	45 of 100 (Notable)
Irkutsk	Russia	Record daily precipitation	45.5 mm (1.8 in)	45 of 100 (Notable)
Verhnij_Baskuncak	Russia	Record high minimum temperature	28.7 C (83.7 F)	45 of 100 (Notable)
Blakely	United States	Record low minimum temperature	15.6 C (60.1 F)	45 of 100 (Notable)
White City	United States	Record daily precipitation	93.0 mm (3.7 in)	45 of 100 (Notable)
Elk Rvr	United States	Record daily precipitation	59.9 mm (2.4 in)	45 of 100 (Notable)
Glendive	United States	Record low minimum temperature	3.3 C (37.9 F)	45 of 100 (Notable)
Newnan 7 WNW	United States	Record low minimum temperature	13.3 C (55.9 F)	44 of 100 (Notable)
Hartford Brainard Fld	United States	Record daily precipitation	59.2 mm (2.3 in)	44 of 100 (Notable)
Suomussalmi Naljanka	Finland	Record daily precipitation	47.5 mm (1.9 in)	43 of 100 (Notable)
Osnabruck	Germany	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Vladivostok	Russia	Record daily precipitation	52.4 mm (2.1 in)	43 of 100 (Notable)
Rome	United States	Record low minimum temperature	13.9 C (57.0 F)	43 of 100 (Notable)
Canjilon R/S	United States	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Angelica	United States	Record low maximum temperature	18.9 C (66.0 F)	43 of 100 (Notable)
Columbus Metro AP	United States	Record low minimum temperature	16.1 C (61.0 F)	43 of 100 (Notable)
Oujda	Morocco	Record high minimum temperature	23.2 C (73.8 F)	42 of 100 (Notable)
Jalacingo	Mexico	Record high minimum temperature	18.9 C (66.0 F)	42 of 100 (Notable)
Timovskoe	Russia	Record low minimum temperature	3.0 C (37.4 F)	42 of 100 (Notable)
Lafayette 2W	United States	Record low minimum temperature	12.2 C (54.0 F)	42 of 100 (Notable)
Plains SW Ga Exp STN	United States	Record low minimum temperature	14.4 C (57.9 F)	42 of 100 (Notable)
Morrison	United States	Record low maximum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Pittsburg	United States	Record daily precipitation	111.8 mm (4.4 in)	42 of 100 (Notable)
Willmar Wwtp	United States	Record daily precipitation	45.7 mm (1.8 in)	42 of 100 (Notable)
Hernando	United States	Record daily precipitation	50.8 mm (2.0 in)	42 of 100 (Notable)
Osceola	United States	Record daily precipitation	70.1 mm (2.8 in)	42 of 100 (Notable)
Dickson	United States	Record low minimum temperature	12.2 C (54.0 F)	42 of 100 (Notable)
Ashland 3 ENE	United States	Record low minimum temperature	11.1 C (52.0 F)	41 of 100 (Notable)
Evergreen	United States	Record low minimum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Oswego 1 N	United States	Record daily precipitation	54.6 mm (2.1 in)	41 of 100 (Notable)
Carthage	United States	Record low minimum temperature	13.9 C (57.0 F)	41 of 100 (Notable)
Upton	United States	Record low minimum temperature	2.8 C (37.0 F)	41 of 100 (Notable)
Barendrecht	Netherlands	Record daily precipitation	28.3 mm (1.1 in)	40 of 100 (Notable)
Vardoe	Norway	Record low minimum temperature	3.9 C (39.0 F)	40 of 100 (Notable)
Mahackala	Russia	Record high maximum temperature	35.5 C (95.9 F)	40 of 100 (Notable)
Kristianstad	Sweden	Record low maximum temperature	14.7 C (58.5 F)	40 of 100 (Notable)
Talladega	United States	Record low minimum temperature	12.2 C (54.0 F)	40 of 100 (Notable)
Saucier Exp Forest	United States	Record low minimum temperature	17.2 C (63.0 F)	40 of 100 (Notable)

Counts by Type and Timescale

1,306 records

Records set or tied on 21 July 2009 by type: Highest daily maximum 387, Lowest daily maximum 192, Highest daily minimum 214, Lowest daily minimum 294, Heaviest daily rainfall 219.

Records on 21 July 2009 by type
Record type	Records
Highest daily maximum	387
Lowest daily maximum	192
Highest daily minimum	214
Lowest daily minimum	294
Heaviest daily rainfall	219
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 July 2009 by timescale: all-time 5, monthly 39, daily 1,262.

How Much Records Were Beaten By

939 broken records

Margins by which the 939 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 103.1. Ties are not counted.

Top 20 by Significance

21 July 2009

Top 20 records on 21 July 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 July 2009	Ft Collins, US	daily rain	53.3 mm (2.1 in)	40.1 mm (1.6 in)	74 years	72 of 100 (Major)
21 July 2009	Parsons 2 NW, US	daily rain	133.6 mm (5.3 in)	103.1 mm (4.1 in)	83 years	72 of 100 (Major)
21 July 2009	Santiago de Compostela/Labacol, ES	daily rain	58.0 mm (2.3 in)	42.2 mm (1.7 in)	64 years	65 of 100 (Major)
21 July 2009	A Coruna, ES	daily rain	28.6 mm (1.1 in)	20.0 mm (0.8 in)	75 years	63 of 100 (Major)
21 July 2009	San Juan L M Marin Intl AP, PR	daily rain	58.7 mm (2.3 in)	35.8 mm (1.4 in)	51 years	58 of 100 (Notable)
21 July 2009	Rison, US	daily low max	23.9 C (75.0 F)	5.0 C (9.0 F)	114 years	56 of 100 (Notable)
21 July 2009	Tyler Pounds Fld, US	daily rain	47.5 mm (1.9 in)	21.8 mm (0.9 in)	114 years	55 of 100 (Notable)
21 July 2009	Independence, US	daily rain	99.1 mm (3.9 in)	25.9 mm (1.0 in)	109 years	54 of 100 (Notable)
21 July 2009	Waxahachie, US	daily rain	60.2 mm (2.4 in)	22.1 mm (0.9 in)	90 years	52 of 100 (Notable)
21 July 2009	Taivalkoski Inkee, FI	daily rain	44.0 mm (1.7 in)	29.5 mm (1.2 in)	24 years	51 of 100 (Notable)
21 July 2009	Chickamauga 2 SW, US	daily low min	11.7 C (53.1 F)	2.7 C (4.9 F)	100 years	51 of 100 (Notable)
21 July 2009	La Grange 1N, US	daily low min	14.4 C (57.9 F)	2.3 C (4.1 F)	109 years	51 of 100 (Notable)
21 July 2009	New Haven Tweed AP, US	daily rain	72.6 mm (2.9 in)	44.2 mm (1.7 in)	36 years	51 of 100 (Notable)
21 July 2009	A Coruna/Alvedro, ES	daily rain	40.2 mm (1.6 in)	37.4 mm (1.5 in)	26 years	50 of 100 (Notable)
21 July 2009	Melbourne Regional Office, AU	daily high max	19.6 C (67.3 F)	1.9 C (3.4 F)	127 years	49 of 100 (Notable)
21 July 2009	Cordele, US	daily low min	15.6 C (60.1 F)	1.6 C (2.9 F)	106 years	49 of 100 (Notable)
21 July 2009	Hernando, US	daily low max	24.4 C (75.9 F)	2.3 C (4.1 F)	107 years	48 of 100 (Notable)
21 July 2009	Mc Minnville, US	daily low min	12.2 C (54.0 F)	2.2 C (4.0 F)	106 years	48 of 100 (Notable)
21 July 2009	Sewanee, US	daily low min	12.8 C (55.0 F)	2.2 C (4.0 F)	98 years	48 of 100 (Notable)
21 July 2009	Mexquitic, MX	daily rain	55.9 mm (2.2 in)	36.1 mm (1.4 in)	36 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

1794 to 2009

Records set or tied on this calendar date in each year from 1794 to 2009. 2009 had 1,306 records.

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

Records on 07-21 in each year
Year	Records
1794	1
1795	1
1796	1
1797	1
1813	2
1832	2
1837	1
1839	1
1843	1
1844	2
1854	1
1859	3
1865	3
1868	3
1872	1
1876	1
1879	2
1880	1
1881	1
1884	1
1885	1
1886	2
1888	2
1889	3
1890	2
1892	3
1893	3
1894	3
1895	1
1896	3
1897	4
1898	7
1899	2
1900	6
1901	13
1902	12
1903	10
1904	8
1905	13
1906	13
1907	12
1908	25
1909	18
1910	12
1911	37
1912	52
1913	41
1914	48
1915	81
1916	72
1917	136
1918	130
1919	51
1920	33
1921	55
1922	48
1923	132
1924	286
1925	202
1926	401
1927	191
1928	205
1929	360
1930	521
1931	549
1932	322
1933	208
1934	965
1935	236
1936	322
1937	253
1938	638
1939	415
1940	318
1941	226
1942	318
1943	253
1944	716
1945	300
1946	398
1947	795
1948	403
1949	603
1950	662
1951	427
1952	657
1953	351
1954	656
1955	582
1956	490
1957	447
1958	531
1959	940
1960	651
1961	388
1962	263
1963	470
1964	457
1965	748
1966	626
1967	313
1968	334
1969	636
1970	1,241
1971	475
1972	1,046
1973	871
1974	536
1975	380
1976	477
1977	708
1978	1,155
1979	964
1980	926
1981	1,352
1982	588
1983	1,234
1984	764
1985	554
1986	791
1987	1,025
1988	1,015
1989	973
1990	914
1991	812
1992	1,562
1993	866
1994	773
1995	1,247
1996	1,141
1997	849
1998	1,674
1999	814
2000	1,230
2001	889
2002	990
2003	1,250
2004	694
2005	1,420
2006	1,479
2007	1,145
2008	989
2009	1,306
2010	1,148
2011	1,414
2012	815
2013	526
2014	762
2015	704
2016	645
2017	433
2018	942
2019	755
2020	363
2021	574
2022	866
2023	816
2024	873
2025	881
2026	874

Download the Data

Data for records on 2009-07-21: 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	891
20 to 40	37
40 to 60	9
60 to 80	1
80 to 100	0
100 to 120	1