Weather Records on 20 July 2009

1,533 weather records were set or tied worldwide on 20 July 2009. Highest significance: Loksmyr, NO.

Key Facts for 20 July 2009

On 20 July 2009, 1,533 weather records were set or tied at long-record stations worldwide.
655 were record highs and 712 were record lows, counting maximum and minimum temperature.
By timescale, 11 were all-time records, 36 monthly and 1,486 daily.
Loksmyr set a daily record precipitation of 65.3 mm (2.6 in) on 20 July 2009.
Across 161 earlier years (1809 to 2026) the same calendar date averaged 452 records.

Record Map

1,533 stations

1,533 station records on 20 July 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 July 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Loksmyr	Norway	Record daily precipitation	65.3 mm (2.6 in)	59 of 100 (Notable)
Trondheim - Voll	Norway	Record daily precipitation	68.2 mm (2.7 in)	58 of 100 (Notable)
El Obeid	Sudan	Record daily precipitation	180.3 mm (7.1 in)	57 of 100 (Notable)
Tandsbyn	Sweden	Record daily precipitation	52.0 mm (2.0 in)	56 of 100 (Notable)
Union Springs 9 S	United States	Record low minimum temperature	13.3 C (55.9 F)	56 of 100 (Notable)
Jalacingo	Mexico	Record high maximum temperature	33.9 C (93.0 F)	55 of 100 (Notable)
Haltdalen III	Norway	Record daily precipitation	50.0 mm (2.0 in)	54 of 100 (Notable)
Ostas I Hegra	Norway	Record daily precipitation	46.8 mm (1.8 in)	53 of 100 (Notable)
Kaxas-Aflo_D	Sweden	Record daily precipitation	46.3 mm (1.8 in)	53 of 100 (Notable)
Hohenwald	United States	Record low maximum temperature	23.3 C (73.9 F)	52 of 100 (Notable)
Aunet	Norway	Record daily precipitation	52.3 mm (2.1 in)	51 of 100 (Notable)
Monticello	United States	Record low minimum temperature	13.3 C (55.9 F)	51 of 100 (Notable)
Storlien-Storvallen	Sweden	Record daily precipitation	50.7 mm (2.0 in)	50 of 100 (Notable)
Storfinnforsen	Sweden	Record daily precipitation	67.0 mm (2.6 in)	49 of 100 (Notable)
Clanton	United States	Record low minimum temperature	13.9 C (57.0 F)	49 of 100 (Notable)
Newnan 7 WNW	United States	Record low minimum temperature	13.3 C (55.9 F)	48 of 100 (Notable)
Rome	United States	Record low minimum temperature	13.9 C (57.0 F)	48 of 100 (Notable)
Russellville	United States	Record low maximum temperature	23.3 C (73.9 F)	48 of 100 (Notable)
Cookeville	United States	Record low maximum temperature	23.3 C (73.9 F)	48 of 100 (Notable)
Neptune Island	Australia	Record high maximum temperature	22.0 C (71.6 F)	47 of 100 (Notable)
Waynesboro	United States	Record low maximum temperature	23.9 C (75.0 F)	47 of 100 (Notable)
Beira	Mozambique	Record daily precipitation	48.0 mm (1.9 in)	46 of 100 (Notable)
Valsjon	Sweden	Record daily precipitation	42.5 mm (1.7 in)	46 of 100 (Notable)
Abbott	United States	Record daily precipitation	56.1 mm (2.2 in)	46 of 100 (Notable)
Springer	United States	Record high minimum temperature	19.4 C (66.9 F)	46 of 100 (Notable)
Murfreesboro 5 N	United States	Record low maximum temperature	25.0 C (77.0 F)	46 of 100 (Notable)
Anda	China	Record daily precipitation	121.9 mm (4.8 in)	45 of 100 (Notable)
Miyakonojo	Japan	Record high minimum temperature	27.0 C (80.6 F)	45 of 100 (Notable)
Atmore	United States	Record low minimum temperature	15.6 C (60.1 F)	45 of 100 (Notable)
Toccoa	United States	Record low minimum temperature	15.0 C (59.0 F)	45 of 100 (Notable)
Bloomington Indiana UNIV	United States	Record low maximum temperature	22.2 C (72.0 F)	45 of 100 (Notable)
Guntersville	United States	Record low minimum temperature	15.0 C (59.0 F)	44 of 100 (Notable)
Clayton 1 SSW	United States	Record low minimum temperature	10.6 C (51.1 F)	44 of 100 (Notable)
Highmore	United States	Record daily precipitation	45.7 mm (1.8 in)	44 of 100 (Notable)
Sewanee	United States	Record low minimum temperature	13.3 C (55.9 F)	44 of 100 (Notable)
Vaala Pelso	Finland	Record daily precipitation	28.6 mm (1.1 in)	43 of 100 (Notable)
Selma	United States	Record low minimum temperature	16.1 C (61.0 F)	43 of 100 (Notable)
Talladega	United States	Record low minimum temperature	12.2 C (54.0 F)	43 of 100 (Notable)
Valley Head	United States	Record low maximum temperature	24.4 C (75.9 F)	43 of 100 (Notable)
Decorah	United States	Record low minimum temperature	7.2 C (45.0 F)	43 of 100 (Notable)
Hamburg	United States	Record low minimum temperature	5.0 C (41.0 F)	43 of 100 (Notable)
Mobile	United States	Record low minimum temperature	17.8 C (64.0 F)	43 of 100 (Notable)
Caon Fernandez	Mexico	Record high maximum temperature	42.2 C (108.0 F)	42 of 100 (Notable)
Sym	Russia	Record daily precipitation	31.0 mm (1.2 in)	42 of 100 (Notable)
Chickamauga 2 SW	United States	Record low minimum temperature	12.2 C (54.0 F)	42 of 100 (Notable)
Elkader 6 SSW	United States	Record low minimum temperature	5.6 C (42.1 F)	42 of 100 (Notable)
Walhalla	United States	Record low minimum temperature	12.8 C (55.0 F)	42 of 100 (Notable)
Cookeville	United States	Record low minimum temperature	11.7 C (53.1 F)	42 of 100 (Notable)
Anniston Metro AP	United States	Record low minimum temperature	12.8 C (55.0 F)	42 of 100 (Notable)
Sveg	Sweden	Record daily precipitation	31.8 mm (1.3 in)	41 of 100 (Notable)
Dumas	United States	Record low maximum temperature	26.1 C (79.0 F)	41 of 100 (Notable)
Cedartown	United States	Record low minimum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
Cuthbert	United States	Record low minimum temperature	16.1 C (61.0 F)	41 of 100 (Notable)
Kelliher	United States	Record low minimum temperature	-2.8 C (27.0 F)	41 of 100 (Notable)
Dickson	United States	Record low minimum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Burlington Muni AP	United States	Record low minimum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Angardsvatnet	Norway	Record daily precipitation	37.1 mm (1.5 in)	40 of 100 (Notable)
Brewton 3 SSE	United States	Record low minimum temperature	14.4 C (57.9 F)	40 of 100 (Notable)
Mt Pleasant 1 SW	United States	Record low minimum temperature	10.6 C (51.1 F)	40 of 100 (Notable)
Aberdeen	United States	Record low minimum temperature	15.0 C (59.0 F)	40 of 100 (Notable)

Counts by Type and Timescale

1,533 records

Records set or tied on 20 July 2009 by type: Highest daily maximum 391, Lowest daily maximum 282, Highest daily minimum 264, Lowest daily minimum 430, Heaviest daily rainfall 166.

Records on 20 July 2009 by type
Record type	Records
Highest daily maximum	391
Lowest daily maximum	282
Highest daily minimum	264
Lowest daily minimum	430
Heaviest daily rainfall	166
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 July 2009 by timescale: all-time 11, monthly 36, daily 1,486.

How Much Records Were Beaten By

1,105 broken records

Margins by which the 1,105 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 134.7. Ties are not counted.

Top 20 by Significance

20 July 2009

Top 20 records on 20 July 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 July 2009	Loksmyr, NO	daily rain	65.3 mm (2.6 in)	31.6 mm (1.2 in)	47 years	59 of 100 (Notable)
20 July 2009	Trondheim - Voll, NO	monthly rain	68.2 mm (2.7 in)	25.3 mm (1.0 in)	2 years	58 of 100 (Notable)
20 July 2009	El Obeid, SD	daily rain	180.3 mm (7.1 in)	134.7 mm (5.3 in)	40 years	57 of 100 (Notable)
20 July 2009	Tandsbyn, SE	daily rain	52.0 mm (2.0 in)	34.2 mm (1.3 in)	35 years	56 of 100 (Notable)
20 July 2009	Union Springs 9 S, US	daily low min	13.3 C (55.9 F)	3.4 C (6.1 F)	90 years	56 of 100 (Notable)
20 July 2009	Jalacingo, MX	daily high max	33.9 C (93.0 F)	6.7 C (12.1 F)	80 years	55 of 100 (Notable)
20 July 2009	Haltdalen III, NO	daily rain	50.0 mm (2.0 in)	28.2 mm (1.1 in)	36 years	54 of 100 (Notable)
20 July 2009	Ostas I Hegra, NO	daily rain	46.8 mm (1.8 in)	15.2 mm (0.6 in)	72 years	53 of 100 (Notable)
20 July 2009	Kaxas-Aflo_D, SE	daily rain	46.3 mm (1.8 in)	34.1 mm (1.3 in)	30 years	53 of 100 (Notable)
20 July 2009	Hohenwald, US	daily low max	23.3 C (73.9 F)	3.9 C (7.0 F)	98 years	52 of 100 (Notable)
20 July 2009	Aunet, NO	daily rain	52.3 mm (2.1 in)	20.0 mm (0.8 in)	26 years	51 of 100 (Notable)
20 July 2009	Monticello, US	daily low min	13.3 C (55.9 F)	2.3 C (4.1 F)	99 years	51 of 100 (Notable)
20 July 2009	Storlien-Storvallen, SE	daily rain	50.7 mm (2.0 in)	26.4 mm (1.0 in)	26 years	50 of 100 (Notable)
20 July 2009	Storfinnforsen, SE	all-time rain	67.0 mm (2.6 in)	10.1 mm (0.4 in)	37 years	49 of 100 (Notable)
20 July 2009	Clanton, US	daily low min	13.9 C (57.0 F)	2.8 C (5.0 F)	84 years	49 of 100 (Notable)
20 July 2009	Newnan 7 WNW, US	daily low min	13.3 C (55.9 F)	1.7 C (3.1 F)	99 years	48 of 100 (Notable)
20 July 2009	Rome, US	daily low min	13.9 C (57.0 F)	1.7 C (3.1 F)	100 years	48 of 100 (Notable)
20 July 2009	Russellville, US	daily low max	23.3 C (73.9 F)	2.8 C (5.0 F)	115 years	48 of 100 (Notable)
20 July 2009	Cookeville, US	daily low max	23.3 C (73.9 F)	3.4 C (6.1 F)	88 years	48 of 100 (Notable)
20 July 2009	Neptune Island, AU	daily high max	22.0 C (71.6 F)	5.0 C (9.0 F)	32 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

1809 to 2009

Records set or tied on this calendar date in each year from 1809 to 2009. 2009 had 1,533 records.

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

Records on 07-20 in each year
Year	Records
1809	1
1810	1
1811	2
1832	2
1844	2
1850	1
1859	2
1863	1
1865	4
1866	1
1867	1
1868	1
1870	1
1872	1
1874	2
1876	1
1877	2
1879	3
1880	1
1881	2
1882	1
1883	2
1885	1
1886	2
1887	1
1888	1
1889	2
1890	5
1892	7
1893	1
1894	1
1895	1
1897	4
1898	2
1899	4
1900	9
1901	3
1902	13
1903	6
1904	10
1905	6
1906	8
1907	12
1908	31
1909	6
1910	27
1911	12
1912	33
1913	28
1914	20
1915	163
1916	117
1917	57
1918	53
1919	40
1920	16
1921	55
1922	52
1923	173
1924	112
1925	125
1926	411
1927	106
1928	366
1929	480
1930	598
1931	362
1932	338
1933	201
1934	857
1935	386
1936	358
1937	213
1938	392
1939	336
1940	325
1941	270
1942	609
1943	326
1944	470
1945	278
1946	482
1947	635
1948	385
1949	807
1950	563
1951	448
1952	488
1953	316
1954	512
1955	377
1956	545
1957	351
1958	536
1959	605
1960	758
1961	338
1962	327
1963	457
1964	416
1965	1,110
1966	469
1967	455
1968	389
1969	649
1970	890
1971	619
1972	1,062
1973	804
1974	489
1975	470
1976	580
1977	899
1978	663
1979	1,249
1980	925
1981	1,048
1982	580
1983	1,117
1984	799
1985	604
1986	848
1987	1,156
1988	1,103
1989	1,183
1990	724
1991	1,024
1992	1,137
1993	901
1994	611
1995	961
1996	1,365
1997	903
1998	1,682
1999	815
2000	1,393
2001	755
2002	986
2003	1,313
2004	978
2005	1,266
2006	1,487
2007	1,124
2008	663
2009	1,533
2010	1,154
2011	1,339
2012	817
2013	850
2014	1,000
2015	812
2016	744
2017	398
2018	930
2019	867
2020	524
2021	683
2022	1,108
2023	812
2024	737
2025	680
2026	863

Download the Data

Data for records on 2009-07-20: 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 2026-10-17 (17 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	1,088
20 to 40	13
40 to 60	1
60 to 80	2
80 to 100	0
100 to 120	0
120 to 140	1