Weather Records on 30 August 2003

1,226 weather records were set or tied worldwide on 30 August 2003. Highest significance: Norman 3SSE, US.

Key Facts for 30 August 2003

On 30 August 2003, 1,226 weather records were set or tied at long-record stations worldwide.
544 were record highs and 282 were record lows, counting maximum and minimum temperature.
By timescale, 8 were all-time records, 40 monthly and 1,178 daily.
Norman 3SSE set a daily record precipitation of 88.9 mm (3.5 in) on 30 August 2003.
Across 169 earlier years (1806 to 2026) the same calendar date averaged 418 records.

Record Map

1,226 stations

1,226 station records on 30 August 2003 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 August 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Norman 3SSE	United States	Record daily precipitation	88.9 mm (3.5 in)	73 of 100 (Major)
Vilnius	Lithuania	Record daily precipitation	43.2 mm (1.7 in)	72 of 100 (Major)
Pratt 3NW	United States	Record daily precipitation	105.4 mm (4.1 in)	68 of 100 (Major)
Claremore 2 ENE	United States	Record daily precipitation	115.6 mm (4.6 in)	67 of 100 (Major)
Carlyle Rsvr	United States	Record daily precipitation	110.5 mm (4.4 in)	64 of 100 (Major)
Grandfalls 3SSE	United States	Record daily precipitation	65.8 mm (2.6 in)	64 of 100 (Major)
Quanah 2 SW	United States	Record daily precipitation	69.9 mm (2.8 in)	63 of 100 (Major)
El Dorado	United States	Record daily precipitation	75.4 mm (3.0 in)	61 of 100 (Major)
Ft Collins	United States	Record daily precipitation	63.2 mm (2.5 in)	60 of 100 (Major)
Springer	United States	Record high minimum temperature	20.6 C (69.1 F)	60 of 100 (Major)
Anthony	United States	Record daily precipitation	123.7 mm (4.9 in)	60 of 100 (Major)
Hardy	United States	Record daily precipitation	62.7 mm (2.5 in)	59 of 100 (Notable)
Okemah	United States	Record daily precipitation	71.1 mm (2.8 in)	58 of 100 (Notable)
Longmont 2 ESE	United States	Record daily precipitation	32.0 mm (1.3 in)	57 of 100 (Notable)
Chester	United States	Record daily precipitation	127.0 mm (5.0 in)	57 of 100 (Notable)
Perryton 11 WNW	United States	Record daily precipitation	70.4 mm (2.8 in)	57 of 100 (Notable)
Urbana Wrf	United States	Record daily precipitation	94.5 mm (3.7 in)	56 of 100 (Notable)
Jamestown 2 E	United States	Record daily precipitation	50.8 mm (2.0 in)	53 of 100 (Notable)
Centerburg 2 SE	United States	Record daily precipitation	76.5 mm (3.0 in)	53 of 100 (Notable)
Freedom	United States	Record daily precipitation	78.7 mm (3.1 in)	53 of 100 (Notable)
Odessa	United States	Record daily precipitation	54.6 mm (2.1 in)	53 of 100 (Notable)
Florence	United States	Record daily precipitation	91.9 mm (3.6 in)	52 of 100 (Notable)
Jefferson 3SE	United States	Record daily precipitation	113.0 mm (4.4 in)	52 of 100 (Notable)
Marble Bar Comparison	Australia	Record high minimum temperature	23.5 C (74.3 F)	51 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	89.4 mm (3.5 in)	51 of 100 (Notable)
Okeene	United States	Record daily precipitation	62.2 mm (2.4 in)	51 of 100 (Notable)
Spavinaw	United States	Record daily precipitation	97.8 mm (3.9 in)	51 of 100 (Notable)
Odell 2 N	United States	Record daily precipitation	104.6 mm (4.1 in)	50 of 100 (Notable)
Wellington	United States	Record daily precipitation	58.4 mm (2.3 in)	50 of 100 (Notable)
Bartlesville Muni AP	United States	Record daily precipitation	64.5 mm (2.5 in)	50 of 100 (Notable)
Clarendon	United States	Record daily precipitation	46.0 mm (1.8 in)	50 of 100 (Notable)
Polotsk	Belarus	Record daily precipitation	33.4 mm (1.3 in)	49 of 100 (Notable)
Olmsted L&D	United States	Record daily precipitation	65.5 mm (2.6 in)	49 of 100 (Notable)
Lawrence	United States	Record daily precipitation	78.7 mm (3.1 in)	49 of 100 (Notable)
Bristow	United States	Record daily precipitation	55.1 mm (2.2 in)	49 of 100 (Notable)
Hooker	United States	Record daily precipitation	117.9 mm (4.6 in)	49 of 100 (Notable)
Seymour 3NW	United States	Record daily precipitation	63.2 mm (2.5 in)	49 of 100 (Notable)
Kansas City Dwtn AP	United States	Record daily precipitation	91.4 mm (3.6 in)	49 of 100 (Notable)
Huntington Lake	United States	Record high minimum temperature	17.8 C (64.0 F)	48 of 100 (Notable)
Liberal	United States	Record low maximum temperature	16.7 C (62.1 F)	48 of 100 (Notable)
New Carlisle	United States	Record daily precipitation	56.1 mm (2.2 in)	48 of 100 (Notable)
Canyon	United States	Record daily precipitation	58.9 mm (2.3 in)	48 of 100 (Notable)
Tulsa Intl AP	United States	Record daily precipitation	87.1 mm (3.4 in)	48 of 100 (Notable)
Larned	United States	Record low maximum temperature	17.2 C (63.0 F)	47 of 100 (Notable)
Lakeview	United States	Record daily precipitation	56.4 mm (2.2 in)	47 of 100 (Notable)
Scott City	United States	Record daily precipitation	46.0 mm (1.8 in)	46 of 100 (Notable)
Marysville	United States	Record daily precipitation	66.5 mm (2.6 in)	46 of 100 (Notable)
Tipp City	United States	Record daily precipitation	63.0 mm (2.5 in)	46 of 100 (Notable)
Ft Supply 3SE	United States	Record daily precipitation	77.5 mm (3.1 in)	46 of 100 (Notable)
Miami	United States	Record daily precipitation	52.1 mm (2.1 in)	46 of 100 (Notable)
Moran 5WNW	United States	Record daily precipitation	25.1 mm (1.0 in)	46 of 100 (Notable)
Bailey	United States	Record daily precipitation	27.7 mm (1.1 in)	45 of 100 (Notable)
Tucumcari 4 NE	United States	Record daily precipitation	49.3 mm (1.9 in)	45 of 100 (Notable)
Bixby	United States	Record daily precipitation	69.9 mm (2.8 in)	45 of 100 (Notable)
Haskell	United States	Record daily precipitation	62.2 mm (2.4 in)	45 of 100 (Notable)
Gann Valley 4NW	United States	Record low maximum temperature	16.7 C (62.1 F)	45 of 100 (Notable)
Bologna	Italy	Record high minimum temperature	25.1 C (77.2 F)	44 of 100 (Notable)
Valley Falls 3 SW	United States	Record daily precipitation	67.3 mm (2.6 in)	44 of 100 (Notable)
Falmouth	United States	Record daily precipitation	43.2 mm (1.7 in)	44 of 100 (Notable)
Monticello	United States	Record low maximum temperature	21.7 C (71.1 F)	44 of 100 (Notable)

Counts by Type and Timescale

1,226 records

Records set or tied on 30 August 2003 by type: Highest daily maximum 197, Lowest daily maximum 205, Highest daily minimum 347, Lowest daily minimum 77, Heaviest daily rainfall 400.

Records on 30 August 2003 by type
Record type	Records
Highest daily maximum	197
Lowest daily maximum	205
Highest daily minimum	347
Lowest daily minimum	77
Heaviest daily rainfall	400
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 August 2003 by timescale: all-time 8, monthly 40, daily 1,178.

How Much Records Were Beaten By

947 broken records

Margins by which the 947 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 103.7. Ties are not counted.

Top 20 by Significance

30 August 2003

Top 20 records on 30 August 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 August 2003	Norman 3SSE, US	daily rain	88.9 mm (3.5 in)	54.1 mm (2.1 in)	101 years	73 of 100 (Major)
30 August 2003	Vilnius, LT	daily rain	43.2 mm (1.7 in)	29.6 mm (1.2 in)	81 years	72 of 100 (Major)
30 August 2003	Pratt 3NW, US	daily rain	105.4 mm (4.1 in)	75.9 mm (3.0 in)	62 years	68 of 100 (Major)
30 August 2003	Claremore 2 ENE, US	daily rain	115.6 mm (4.6 in)	90.7 mm (3.6 in)	58 years	67 of 100 (Major)
30 August 2003	Carlyle Rsvr, US	monthly rain	110.5 mm (4.4 in)	49.0 mm (1.9 in)	35 years	64 of 100 (Major)
30 August 2003	Grandfalls 3SSE, US	daily rain	65.8 mm (2.6 in)	40.4 mm (1.6 in)	80 years	64 of 100 (Major)
30 August 2003	Quanah 2 SW, US	daily rain	69.9 mm (2.8 in)	45.8 mm (1.8 in)	88 years	63 of 100 (Major)
30 August 2003	El Dorado, US	daily rain	75.4 mm (3.0 in)	46.4 mm (1.8 in)	76 years	61 of 100 (Major)
30 August 2003	Ft Collins, US	daily rain	63.2 mm (2.5 in)	43.1 mm (1.7 in)	36 years	60 of 100 (Major)
30 August 2003	Springer, US	daily high min	20.6 C (69.1 F)	5.0 C (9.0 F)	108 years	60 of 100 (Major)
30 August 2003	Anthony, US	daily rain	123.7 mm (4.9 in)	86.1 mm (3.4 in)	34 years	60 of 100 (Major)
30 August 2003	Hardy, US	daily rain	62.7 mm (2.5 in)	50.0 mm (2.0 in)	88 years	59 of 100 (Notable)
30 August 2003	Okemah, US	daily rain	71.1 mm (2.8 in)	37.1 mm (1.5 in)	84 years	58 of 100 (Notable)
30 August 2003	Longmont 2 ESE, US	daily rain	32.0 mm (1.3 in)	23.4 mm (0.9 in)	36 years	57 of 100 (Notable)
30 August 2003	Chester, US	monthly rain	127.0 mm (5.0 in)	38.1 mm (1.5 in)	44 years	57 of 100 (Notable)
30 August 2003	Perryton 11 WNW, US	daily rain	70.4 mm (2.8 in)	48.3 mm (1.9 in)	57 years	57 of 100 (Notable)
30 August 2003	Urbana Wrf, US	monthly rain	94.5 mm (3.7 in)	17.0 mm (0.7 in)	77 years	56 of 100 (Notable)
30 August 2003	Jamestown 2 E, US	daily rain	50.8 mm (2.0 in)	43.2 mm (1.7 in)	46 years	53 of 100 (Notable)
30 August 2003	Centerburg 2 SE, US	daily rain	76.5 mm (3.0 in)	53.6 mm (2.1 in)	28 years	53 of 100 (Notable)
30 August 2003	Freedom, US	daily rain	78.7 mm (3.1 in)	58.1 mm (2.3 in)	34 years	53 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

1806 to 2003

Records set or tied on this calendar date in each year from 1806 to 2003. 2003 had 1,226 records.

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

Records on 08-30 in each year
Year	Records
1806	1
1807	4
1813	1
1814	2
1827	1
1829	1
1835	1
1838	1
1839	1
1845	4
1850	1
1851	2
1855	1
1857	1
1859	1
1864	2
1867	1
1869	1
1870	2
1874	1
1875	2
1876	1
1877	2
1878	1
1880	4
1881	2
1882	1
1884	1
1885	5
1886	7
1887	1
1888	1
1889	2
1890	5
1891	1
1892	3
1893	3
1894	2
1895	1
1896	1
1897	3
1898	3
1899	2
1900	6
1901	8
1902	12
1903	19
1904	13
1905	23
1906	29
1907	8
1908	10
1909	37
1910	15
1911	41
1912	60
1913	22
1914	23
1915	47
1916	17
1917	50
1918	45
1919	17
1920	78
1921	100
1922	65
1923	61
1924	283
1925	167
1926	173
1927	109
1928	327
1929	208
1930	245
1931	192
1932	1,102
1933	274
1934	519
1935	476
1936	191
1937	418
1938	233
1939	401
1940	346
1941	422
1942	385
1943	487
1944	491
1945	455
1946	545
1947	599
1948	519
1949	240
1950	481
1951	1,091
1952	316
1953	1,124
1954	516
1955	417
1956	479
1957	321
1958	363
1959	546
1960	356
1961	573
1962	387
1963	442
1964	422
1965	1,118
1966	500
1967	536
1968	729
1969	522
1970	423
1971	443
1972	579
1973	646
1974	838
1975	664
1976	679
1977	665
1978	825
1979	517
1980	572
1981	684
1982	770
1983	696
1984	1,127
1985	629
1986	1,768
1987	638
1988	881
1989	791
1990	983
1991	938
1992	1,697
1993	1,200
1994	601
1995	940
1996	1,385
1997	960
1998	1,278
1999	864
2000	1,189
2001	750
2002	801
2003	1,226
2004	1,087
2005	1,500
2006	989
2007	1,300
2008	678
2009	1,251
2010	1,552
2011	994
2012	1,087
2013	644
2014	558
2015	1,074
2016	552
2017	924
2018	616
2019	755
2020	671
2021	429
2022	1,077
2023	651
2024	912
2025	324
2026	733

Download the Data

Data for records on 2003-08-30: 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	841
20 to 40	66
40 to 60	32
60 to 80	5
80 to 100	2
100 to 120	1