Weather Records on 12 August 2003

1,752 weather records were set or tied worldwide on 12 August 2003. Highest significance: Barberton, AU.

Key Facts for 12 August 2003

On 12 August 2003, 1,752 weather records were set or tied at long-record stations worldwide.
1,290 were record highs and 208 were record lows, counting maximum and minimum temperature.
By timescale, 58 were all-time records, 65 monthly and 1,629 daily.
Barberton set a daily record precipitation of 31.6 mm (1.2 in) on 12 August 2003.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 440 records.

Record Map

1,752 stations

1,752 station records on 12 August 2003 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 August 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Barberton	Australia	Record daily precipitation	31.6 mm (1.2 in)	63 of 100 (Major)
Tryon	United States	Record daily precipitation	127.5 mm (5.0 in)	61 of 100 (Major)
Col du Grand St-Bernard	Switzerland	Record high maximum temperature	21.6 C (70.9 F)	60 of 100 (Major)
Meridian Key Fld	United States	Record daily precipitation	75.4 mm (3.0 in)	55 of 100 (Notable)
Indiga	Russia	Record daily precipitation	33.2 mm (1.3 in)	54 of 100 (Notable)
Tuba City	United States	Record high minimum temperature	23.9 C (75.0 F)	51 of 100 (Notable)
Tullinge A	Sweden	Record daily precipitation	35.3 mm (1.4 in)	50 of 100 (Notable)
Castle Rock	United States	Record daily precipitation	34.3 mm (1.4 in)	50 of 100 (Notable)
Gold Beach Rs	United States	Record low minimum temperature	1.7 C (35.1 F)	48 of 100 (Notable)
Rayones	Mexico	Record daily precipitation	51.8 mm (2.0 in)	47 of 100 (Notable)
Eelde	Netherlands	Record high maximum temperature	35.4 C (95.7 F)	46 of 100 (Notable)
Cuthbert	United States	Record low maximum temperature	25.0 C (77.0 F)	46 of 100 (Notable)
Aachen	Germany	Record high maximum temperature	36.8 C (98.2 F)	45 of 100 (Notable)
Sokode	Togo	Record high maximum temperature	37.6 C (99.7 F)	45 of 100 (Notable)
Barcelona -Fabra Observatory	Spain	Record high maximum temperature	37.6 C (99.7 F)	44 of 100 (Notable)
Juliette	United States	Record daily precipitation	101.6 mm (4.0 in)	44 of 100 (Notable)
Alexandria	United States	Record low maximum temperature	26.7 C (80.1 F)	44 of 100 (Notable)
Santaquin Chlorinator	United States	Record high minimum temperature	23.3 C (73.9 F)	44 of 100 (Notable)
Boulia Airport	Australia	Record high minimum temperature	17.5 C (63.5 F)	43 of 100 (Notable)
Waren	Germany	Record high maximum temperature	34.0 C (93.2 F)	43 of 100 (Notable)
Poona	India	Record daily precipitation	205.2 mm (8.1 in)	43 of 100 (Notable)
Salamanca	Mexico	Record low minimum temperature	7.2 C (45.0 F)	43 of 100 (Notable)
Norcross	United States	Record daily precipitation	46.0 mm (1.8 in)	43 of 100 (Notable)
Williston Sloulin Fld	United States	Record high minimum temperature	23.3 C (73.9 F)	43 of 100 (Notable)
Hamburg Fuhlsbuettel	Germany	Record high minimum temperature	19.1 C (66.4 F)	42 of 100 (Notable)
Mys Alevina	Russia	Record high minimum temperature	15.2 C (59.4 F)	42 of 100 (Notable)
Cet Central England	United Kingdom	Record high minimum temperature	17.1 C (62.8 F)	42 of 100 (Notable)
Kleiner Feldberg	Germany	Record high maximum temperature	32.5 C (90.5 F)	41 of 100 (Notable)
Kleiner Feldberg	Germany	Record high minimum temperature	22.4 C (72.3 F)	41 of 100 (Notable)
De Bilt	Netherlands	Record high maximum temperature	33.8 C (92.8 F)	41 of 100 (Notable)
Ekaterinburg	Russia	Record high minimum temperature	19.3 C (66.7 F)	41 of 100 (Notable)
Orebro	Sweden	Record high minimum temperature	17.2 C (63.0 F)	41 of 100 (Notable)
Talbotton	United States	Record low maximum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Larned	United States	Record low minimum temperature	10.0 C (50.0 F)	41 of 100 (Notable)
Woodstock	United States	Record high minimum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
South Pass City	United States	Record high maximum temperature	30.0 C (86.0 F)	41 of 100 (Notable)
Uccle	Belgium	Record high maximum temperature	34.4 C (93.9 F)	40 of 100 (Notable)
Uccle	Belgium	Record high minimum temperature	21.6 C (70.9 F)	40 of 100 (Notable)
Greifswald	Germany	Record high minimum temperature	19.9 C (67.8 F)	40 of 100 (Notable)
Ostre Toten - Apelsvoll	Norway	Record daily precipitation	26.7 mm (1.1 in)	40 of 100 (Notable)
Ogden Sugar Factory	United States	Record high minimum temperature	25.6 C (78.1 F)	40 of 100 (Notable)
Shreveport	United States	Record daily precipitation	66.0 mm (2.6 in)	40 of 100 (Notable)
Biedenkopf	Germany	Record high maximum temperature	36.9 C (98.4 F)	39 of 100 (Notable)
Clausthal-Zellerfeld	Germany	Record high minimum temperature	17.0 C (62.6 F)	39 of 100 (Notable)
Palo Verde	Mexico	Record daily precipitation	48.8 mm (1.9 in)	39 of 100 (Notable)
Santa Maria del Monte	Mexico	Record high minimum temperature	13.9 C (57.0 F)	39 of 100 (Notable)
Sparkman	United States	Record daily precipitation	55.4 mm (2.2 in)	39 of 100 (Notable)
Harleton	United States	Record daily precipitation	50.8 mm (2.0 in)	39 of 100 (Notable)
Lyon - St Exupery	France	Record high maximum temperature	39.2 C (102.6 F)	38 of 100 (Notable)
Roslavl	Russia	Record daily precipitation	34.0 mm (1.3 in)	38 of 100 (Notable)
Uman	Ukraine	Record low maximum temperature	16.1 C (61.0 F)	38 of 100 (Notable)
Buckeye	United States	Record high minimum temperature	30.6 C (87.1 F)	38 of 100 (Notable)
San Simon	United States	Record high maximum temperature	40.6 C (105.1 F)	38 of 100 (Notable)
Hastings	United States	Record daily precipitation	34.5 mm (1.4 in)	38 of 100 (Notable)
Hornell Almond Dam	United States	Record daily precipitation	62.0 mm (2.4 in)	38 of 100 (Notable)
Nemours (Ghazaouet)	Algeria	Record high minimum temperature	25.2 C (77.4 F)	37 of 100 (Notable)
Kubbe	Sweden	Record daily precipitation	32.2 mm (1.3 in)	37 of 100 (Notable)
Rifle	United States	Record high minimum temperature	20.6 C (69.1 F)	37 of 100 (Notable)
Koran	United States	Record daily precipitation	63.5 mm (2.5 in)	37 of 100 (Notable)
Plevna	United States	Record high minimum temperature	23.3 C (73.9 F)	37 of 100 (Notable)

Counts by Type and Timescale

1,752 records

Records set or tied on 12 August 2003 by type: Highest daily maximum 644, Lowest daily maximum 105, Highest daily minimum 646, Lowest daily minimum 103, Heaviest daily rainfall 254.

Records on 12 August 2003 by type
Record type	Records
Highest daily maximum	644
Lowest daily maximum	105
Highest daily minimum	646
Lowest daily minimum	103
Heaviest daily rainfall	254
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 August 2003 by timescale: all-time 58, monthly 65, daily 1,629.

How Much Records Were Beaten By

1,371 broken records

Margins by which the 1,371 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 62.7. Ties are not counted.

Top 20 by Significance

12 August 2003

Top 20 records on 12 August 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 August 2003	Barberton, AU	daily rain	31.6 mm (1.2 in)	17.6 mm (0.7 in)	73 years	63 of 100 (Major)
12 August 2003	Tryon, US	daily rain	127.5 mm (5.0 in)	62.7 mm (2.5 in)	84 years	61 of 100 (Major)
12 August 2003	Col du Grand St-Bernard, CH	all-time high max	21.6 C (70.9 F)	0.3 C (0.5 F)	110 years	60 of 100 (Major)
12 August 2003	Meridian Key Fld, US	daily rain	75.4 mm (3.0 in)	57.1 mm (2.2 in)	38 years	55 of 100 (Notable)
12 August 2003	Indiga, RU	daily rain	33.2 mm (1.3 in)	18.2 mm (0.7 in)	36 years	54 of 100 (Notable)
12 August 2003	Tuba City, US	daily high min	23.9 C (75.0 F)	2.8 C (5.0 F)	101 years	51 of 100 (Notable)
12 August 2003	Tullinge A, SE	daily rain	35.3 mm (1.4 in)	25.9 mm (1.0 in)	34 years	50 of 100 (Notable)
12 August 2003	Castle Rock, US	daily rain	34.3 mm (1.4 in)	14.0 mm (0.6 in)	80 years	50 of 100 (Notable)
12 August 2003	Gold Beach Rs, US	daily low min	1.7 C (35.1 F)	5.5 C (9.9 F)	48 years	48 of 100 (Notable)
12 August 2003	Rayones, MX	daily rain	51.8 mm (2.0 in)	38.3 mm (1.5 in)	49 years	47 of 100 (Notable)
12 August 2003	Eelde, NL	all-time high max	35.4 C (95.7 F)	0.1 C (0.2 F)	58 years	46 of 100 (Notable)
12 August 2003	Cuthbert, US	daily low max	25.0 C (77.0 F)	2.2 C (4.0 F)	92 years	46 of 100 (Notable)
12 August 2003	Aachen, DE	daily high max	36.8 C (98.2 F)	3.7 C (6.7 F)	92 years	45 of 100 (Notable)
12 August 2003	Sokode, TG	daily high max	37.6 C (99.7 F)	6.4 C (11.5 F)	18 years	45 of 100 (Notable)
12 August 2003	Barcelona -Fabra Observatory, ES	daily high max	37.6 C (99.7 F)	3.3 C (5.9 F)	80 years	44 of 100 (Notable)
12 August 2003	Juliette, US	daily rain	101.6 mm (4.0 in)	49.5 mm (1.9 in)	21 years	44 of 100 (Notable)
12 August 2003	Alexandria, US	daily low max	26.7 C (80.1 F)	1.1 C (2.0 F)	109 years	44 of 100 (Notable)
12 August 2003	Santaquin Chlorinator, US	daily high min	23.3 C (73.9 F)	3.9 C (7.0 F)	80 years	44 of 100 (Notable)
12 August 2003	Boulia Airport, AU	daily high min	17.5 C (63.5 F)	1.4 C (2.5 F)	100 years	43 of 100 (Notable)
12 August 2003	Waren, DE	daily high max	34.0 C (93.2 F)	2.7 C (4.9 F)	92 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 2003

Records set or tied on this calendar date in each year from 1793 to 2003. 2003 had 1,752 records.

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

Records on 08-12 in each year
Year	Records
1793	1
1796	1
1811	2
1814	1
1815	1
1825	1
1843	1
1851	1
1854	1
1855	2
1856	1
1861	1
1864	3
1865	1
1867	1
1868	1
1871	2
1872	1
1873	1
1874	2
1875	3
1876	2
1879	1
1881	2
1883	1
1884	1
1885	1
1887	2
1888	2
1889	4
1890	4
1891	4
1892	2
1893	1
1894	1
1895	6
1896	2
1897	4
1898	1
1899	10
1900	1
1901	5
1902	9
1903	14
1904	13
1905	16
1906	8
1907	8
1908	31
1909	42
1910	16
1911	33
1912	40
1913	39
1914	26
1915	46
1916	31
1917	134
1918	37
1919	42
1920	26
1921	174
1922	71
1923	89
1924	267
1925	150
1926	154
1927	145
1928	173
1929	276
1930	501
1931	708
1932	418
1933	271
1934	471
1935	408
1936	591
1937	356
1938	237
1939	282
1940	545
1941	481
1942	257
1943	523
1944	595
1945	295
1946	655
1947	729
1948	384
1949	469
1950	442
1951	357
1952	533
1953	227
1954	969
1955	590
1956	265
1957	384
1958	406
1959	388
1960	707
1961	381
1962	466
1963	559
1964	1,346
1965	977
1966	777
1967	1,135
1968	444
1969	629
1970	422
1971	486
1972	473
1973	442
1974	560
1975	593
1976	495
1977	747
1978	571
1979	1,192
1980	692
1981	665
1982	789
1983	923
1984	665
1985	935
1986	615
1987	935
1988	1,518
1989	827
1990	727
1991	726
1992	1,134
1993	936
1994	861
1995	1,654
1996	1,336
1997	1,363
1998	1,215
1999	1,325
2000	741
2001	855
2002	1,345
2003	1,752
2004	1,872
2005	1,085
2006	874
2007	1,209
2008	970
2009	814
2010	1,907
2011	903
2012	910
2013	427
2014	787
2015	757
2016	1,290
2017	533
2018	571
2019	695
2020	730
2021	980
2022	616
2023	779
2024	659
2025	639
2026	849

Download the Data

Data for records on 2003-08-12: 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 10	1,293
10 to 20	46
20 to 30	14
30 to 40	11
40 to 50	4
50 to 60	2
60 to 70	1