Weather Records on 23 August 2009

1,241 weather records were set or tied worldwide on 23 August 2009. Highest significance: Newburyport, US.

Key Facts for 23 August 2009

On 23 August 2009, 1,241 weather records were set or tied at long-record stations worldwide.
638 were record highs and 436 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 50 monthly and 1,188 daily.
Newburyport set a daily record precipitation of 62.2 mm (2.4 in) on 23 August 2009.
Across 164 earlier years (1802 to 2026) the same calendar date averaged 439 records.

Record Map

1,241 stations

1,241 station records on 23 August 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 August 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Newburyport	United States	Record daily precipitation	62.2 mm (2.4 in)	63 of 100 (Major)
Middleboro	United States	Record daily precipitation	76.2 mm (3.0 in)	56 of 100 (Notable)
El Obeid	Sudan	Record daily precipitation	180.3 mm (7.1 in)	54 of 100 (Notable)
Dorsey Basin	United States	Record daily precipitation	45.7 mm (1.8 in)	54 of 100 (Notable)
Kaspiyskiy	Russia	Record daily precipitation	25.0 mm (1.0 in)	53 of 100 (Notable)
Biser	Russia	Record daily precipitation	50.0 mm (2.0 in)	52 of 100 (Notable)
Gunnedah Pool	Australia	Record high maximum temperature	31.7 C (89.1 F)	51 of 100 (Notable)
Rochester	United States	Record daily precipitation	87.6 mm (3.4 in)	50 of 100 (Notable)
Plant City	United States	Record high minimum temperature	26.1 C (79.0 F)	49 of 100 (Notable)
Lobdell Lake	United States	Record daily precipitation	25.4 mm (1.0 in)	49 of 100 (Notable)
Woodland	United States	Record daily precipitation	66.3 mm (2.6 in)	48 of 100 (Notable)
Debessy	Russia	Record daily precipitation	45.1 mm (1.8 in)	47 of 100 (Notable)
Ciano	Mexico	Record daily precipitation	80.8 mm (3.2 in)	46 of 100 (Notable)
Cordele	United States	Record low minimum temperature	16.1 C (61.0 F)	46 of 100 (Notable)
Rochester	United States	Record low maximum temperature	18.3 C (64.9 F)	46 of 100 (Notable)
Gunnedah Pool	Australia	Record high minimum temperature	14.8 C (58.6 F)	45 of 100 (Notable)
Beaconsfield (Mine & Heritage	Australia	Record daily precipitation	32.0 mm (1.3 in)	45 of 100 (Notable)
Presa la Calera	Mexico	Record low minimum temperature	15.0 C (59.0 F)	45 of 100 (Notable)
Grand Marais	United States	Record low minimum temperature	2.8 C (37.0 F)	45 of 100 (Notable)
San Luis de la Paz	Mexico	Record high minimum temperature	17.8 C (64.0 F)	44 of 100 (Notable)
Kislovodsk	Russia	Record low maximum temperature	15.5 C (59.9 F)	44 of 100 (Notable)
Tuba City	United States	Record low minimum temperature	0.6 C (33.1 F)	44 of 100 (Notable)
Seymour 1 WSW	United States	Record low maximum temperature	21.7 C (71.1 F)	44 of 100 (Notable)
Millinocket	United States	Record high minimum temperature	20.6 C (69.1 F)	44 of 100 (Notable)
Brockton	United States	Record high minimum temperature	22.8 C (73.0 F)	44 of 100 (Notable)
Durham	United States	Record high minimum temperature	21.7 C (71.1 F)	44 of 100 (Notable)
Kingston	United States	Record high minimum temperature	21.7 C (71.1 F)	44 of 100 (Notable)
Paris Stp	United States	Record low maximum temperature	21.1 C (70.0 F)	43 of 100 (Notable)
Kokomo 3 WSW	United States	Record low maximum temperature	20.0 C (68.0 F)	43 of 100 (Notable)
Gardiner	United States	Record high minimum temperature	21.1 C (70.0 F)	43 of 100 (Notable)
Lawrence	United States	Record high minimum temperature	22.8 C (73.0 F)	43 of 100 (Notable)
Norton W	United States	Record high minimum temperature	21.7 C (71.1 F)	43 of 100 (Notable)
Duchesne	United States	Record high minimum temperature	16.1 C (61.0 F)	43 of 100 (Notable)
Boulia Airport	Australia	Record high maximum temperature	37.1 C (98.8 F)	42 of 100 (Notable)
Berne Wwtp	United States	Record low maximum temperature	20.6 C (69.1 F)	42 of 100 (Notable)
Delphi 2 N	United States	Record low maximum temperature	20.6 C (69.1 F)	42 of 100 (Notable)
Ellenville	United States	Record daily precipitation	60.2 mm (2.4 in)	42 of 100 (Notable)
Amherst	United States	Record high minimum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Lovelock	United States	Record high minimum temperature	21.1 C (70.0 F)	41 of 100 (Notable)
Hanover	United States	Record high minimum temperature	20.6 C (69.1 F)	41 of 100 (Notable)
Hohenwald	United States	Record low maximum temperature	23.3 C (73.9 F)	41 of 100 (Notable)
Woodstock	United States	Record high minimum temperature	19.4 C (66.9 F)	41 of 100 (Notable)
Ladysmith 3W	United States	Record low minimum temperature	3.9 C (39.0 F)	41 of 100 (Notable)
Cairo 3N	United States	Record low minimum temperature	12.2 C (54.0 F)	41 of 100 (Notable)
M.O. Amini	India	Record daily precipitation	79.0 mm (3.1 in)	40 of 100 (Notable)
Portola	United States	Record high minimum temperature	16.1 C (61.0 F)	40 of 100 (Notable)
Lifton Pumping STN	United States	Record high maximum temperature	35.0 C (95.0 F)	40 of 100 (Notable)
Gaylord	United States	Record low maximum temperature	15.6 C (60.1 F)	40 of 100 (Notable)
Howell Wwtp	United States	Record low maximum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Portland Jetport	United States	Record daily precipitation	75.4 mm (3.0 in)	39 of 100 (Notable)
Zapopan	Mexico	Record high maximum temperature	38.3 C (100.9 F)	38 of 100 (Notable)
Anderson 1 N	United States	Record low maximum temperature	20.0 C (68.0 F)	38 of 100 (Notable)
Hillsdale	United States	Record low maximum temperature	18.9 C (66.0 F)	38 of 100 (Notable)
Superior	United States	Record low minimum temperature	7.2 C (45.0 F)	38 of 100 (Notable)
Dover 1 W	United States	Record low maximum temperature	23.9 C (75.0 F)	38 of 100 (Notable)
Marysvale	United States	Record high maximum temperature	35.6 C (96.1 F)	38 of 100 (Notable)
Norfolk 2 SW	United States	Record daily precipitation	38.9 mm (1.5 in)	37 of 100 (Notable)
Pontiac	United States	Record low maximum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Windsor	United States	Record low maximum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Winamac 2SSE	United States	Record low maximum temperature	18.9 C (66.0 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,241 records

Records set or tied on 23 August 2009 by type: Highest daily maximum 342, Lowest daily maximum 248, Highest daily minimum 296, Lowest daily minimum 188, Heaviest daily rainfall 167.

Records on 23 August 2009 by type
Record type	Records
Highest daily maximum	342
Lowest daily maximum	248
Highest daily minimum	296
Lowest daily minimum	188
Heaviest daily rainfall	167
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 August 2009 by timescale: all-time 3, monthly 50, daily 1,188.

How Much Records Were Beaten By

882 broken records

Margins by which the 882 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 123.1. Ties are not counted.

Top 20 by Significance

23 August 2009

Top 20 records on 23 August 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 August 2009	Newburyport, US	daily rain	62.2 mm (2.4 in)	49.2 mm (1.9 in)	44 years	63 of 100 (Major)
23 August 2009	Middleboro, US	daily rain	76.2 mm (3.0 in)	42.4 mm (1.7 in)	63 years	56 of 100 (Notable)
23 August 2009	El Obeid, SD	daily rain	180.3 mm (7.1 in)	123.1 mm (4.8 in)	32 years	54 of 100 (Notable)
23 August 2009	Dorsey Basin, US	monthly rain	45.7 mm (1.8 in)	22.8 mm (0.9 in)	6 years	54 of 100 (Notable)
23 August 2009	Kaspiyskiy, RU	daily rain	25.0 mm (1.0 in)	19.6 mm (0.8 in)	43 years	53 of 100 (Notable)
23 August 2009	Biser, RU	daily rain	50.0 mm (2.0 in)	21.6 mm (0.9 in)	47 years	52 of 100 (Notable)
23 August 2009	Gunnedah Pool, AU	monthly high max	31.7 C (89.1 F)	0.6 C (1.1 F)	128 years	51 of 100 (Notable)
23 August 2009	Rochester, US	daily rain	87.6 mm (3.4 in)	64.0 mm (2.5 in)	12 years	50 of 100 (Notable)
23 August 2009	Plant City, US	daily high min	26.1 C (79.0 F)	1.7 C (3.1 F)	84 years	49 of 100 (Notable)
23 August 2009	Lobdell Lake, US	daily rain	25.4 mm (1.0 in)	22.9 mm (0.9 in)	20 years	49 of 100 (Notable)
23 August 2009	Woodland, US	daily rain	66.3 mm (2.6 in)	47.2 mm (1.9 in)	3 years	48 of 100 (Notable)
23 August 2009	Debessy, RU	daily rain	45.1 mm (1.8 in)	29.4 mm (1.2 in)	7 years	47 of 100 (Notable)
23 August 2009	Ciano, MX	daily rain	80.8 mm (3.2 in)	60.2 mm (2.4 in)	39 years	46 of 100 (Notable)
23 August 2009	Cordele, US	daily low min	16.1 C (61.0 F)	1.1 C (2.0 F)	115 years	46 of 100 (Notable)
23 August 2009	Rochester, US	daily low max	18.3 C (64.9 F)	2.8 C (5.0 F)	98 years	46 of 100 (Notable)
23 August 2009	Gunnedah Pool, AU	daily high min	14.8 C (58.6 F)	2.0 C (3.6 F)	115 years	45 of 100 (Notable)
23 August 2009	Beaconsfield (Mine & Heritage, AU	daily rain	32.0 mm (1.3 in)	5.8 mm (0.23 in)	96 years	45 of 100 (Notable)
23 August 2009	Presa la Calera, MX	daily low min	15.0 C (59.0 F)	5.0 C (9.0 F)	8 years	45 of 100 (Notable)
23 August 2009	Grand Marais, US	daily low min	2.8 C (37.0 F)	3.3 C (5.9 F)	88 years	45 of 100 (Notable)
23 August 2009	San Luis de la Paz, MX	daily high min	17.8 C (64.0 F)	2.8 C (5.0 F)	67 years	44 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 2009

Records set or tied on this calendar date in each year from 1802 to 2009. 2009 had 1,241 records.

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

Records on 08-23 in each year
Year	Records
1802	1
1805	1
1813	2
1816	2
1817	1
1818	1
1829	1
1839	3
1840	1
1846	1
1847	1
1848	1
1853	2
1857	1
1858	1
1864	1
1867	1
1869	1
1870	1
1871	1
1874	2
1877	2
1881	1
1882	2
1883	1
1884	2
1886	1
1887	2
1890	3
1891	4
1892	4
1893	4
1894	2
1895	3
1896	6
1897	1
1898	8
1899	8
1900	2
1901	10
1902	9
1903	9
1904	6
1905	8
1906	27
1907	15
1908	18
1909	10
1910	15
1911	23
1912	44
1913	9
1914	23
1915	63
1916	23
1917	26
1918	91
1919	24
1920	102
1921	280
1922	58
1923	284
1924	127
1925	182
1926	99
1927	198
1928	196
1929	240
1930	432
1931	412
1932	211
1933	342
1934	308
1935	220
1936	980
1937	522
1938	654
1939	439
1940	535
1941	375
1942	540
1943	505
1944	578
1945	338
1946	416
1947	1,071
1948	594
1949	456
1950	461
1951	347
1952	456
1953	292
1954	438
1955	375
1956	501
1957	645
1958	402
1959	494
1960	806
1961	644
1962	364
1963	380
1964	724
1965	357
1966	802
1967	541
1968	1,384
1969	728
1970	518
1971	610
1972	614
1973	650
1974	612
1975	627
1976	703
1977	557
1978	577
1979	459
1980	552
1981	663
1982	713
1983	1,264
1984	862
1985	1,187
1986	839
1987	1,119
1988	1,604
1989	902
1990	661
1991	697
1992	1,291
1993	796
1994	738
1995	1,212
1996	1,161
1997	1,599
1998	1,138
1999	802
2000	936
2001	834
2002	931
2003	1,103
2004	862
2005	786
2006	728
2007	1,513
2008	966
2009	1,241
2010	1,244
2011	1,412
2012	688
2013	397
2014	960
2015	673
2016	595
2017	543
2018	479
2019	445
2020	1,093
2021	629
2022	781
2023	1,287
2024	1,150
2025	1,295
2026	592

Download the Data

Data for records on 2009-08-23: 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	856
20 to 40	19
40 to 60	4
60 to 80	2
80 to 100	0
100 to 120	0
120 to 140	1