Weather Records on 30 September 2003

1,079 weather records were set or tied worldwide on 30 September 2003. Highest significance: Mianelup, AU.

Key Facts for 30 September 2003

On 30 September 2003, 1,079 weather records were set or tied at long-record stations worldwide.
401 were record highs and 378 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 59 monthly and 1,020 daily.
Mianelup set a monthly record daily precipitation of 39.8 mm (1.6 in) on 30 September 2003.
Across 161 earlier years (1806 to 2026) the same calendar date averaged 436 records.

Record Map

1,079 stations

1,079 station records on 30 September 2003 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 September 2003: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mianelup	Australia	Record daily precipitation	39.8 mm (1.6 in)	74 of 100 (Major)
Mount Barker	Australia	Record daily precipitation	64.6 mm (2.5 in)	73 of 100 (Major)
Balladonia	Australia	Record daily precipitation	27.0 mm (1.1 in)	71 of 100 (Major)
Everglades	United States	Record daily precipitation	121.7 mm (4.8 in)	66 of 100 (Major)
Cadoux	Australia	Record daily precipitation	25.0 mm (1.0 in)	64 of 100 (Major)
Naples	United States	Record daily precipitation	165.4 mm (6.5 in)	61 of 100 (Major)
Windrush	Australia	Record daily precipitation	62.2 mm (2.4 in)	60 of 100 (Major)
Ulety	Russia	Record daily precipitation	29.0 mm (1.1 in)	59 of 100 (Notable)
Woogenellup	Australia	Record daily precipitation	84.6 mm (3.3 in)	58 of 100 (Notable)
Albany Airport	Australia	Record daily precipitation	61.4 mm (2.4 in)	58 of 100 (Notable)
Mettler	Australia	Record daily precipitation	77.8 mm (3.1 in)	58 of 100 (Notable)
Ongerup	Australia	Record daily precipitation	40.8 mm (1.6 in)	58 of 100 (Notable)
Edenholme	Australia	Record daily precipitation	26.0 mm (1.0 in)	57 of 100 (Notable)
Jam Vale	Australia	Record daily precipitation	57.0 mm (2.2 in)	57 of 100 (Notable)
Lake Grace Comparison	Australia	Record daily precipitation	26.2 mm (1.0 in)	57 of 100 (Notable)
Abu Hamed	Sudan	Record daily precipitation	70.1 mm (2.8 in)	57 of 100 (Notable)
Lake Hinds	Australia	Record daily precipitation	26.0 mm (1.0 in)	55 of 100 (Notable)
Chillinup	Australia	Record daily precipitation	43.2 mm (1.7 in)	55 of 100 (Notable)
Galva	United States	Record low minimum temperature	-7.2 C (19.0 F)	54 of 100 (Notable)
Kilauea 1134	United States	Record high maximum temperature	31.7 C (89.1 F)	54 of 100 (Notable)
Wayjo Park	Australia	Record daily precipitation	50.0 mm (2.0 in)	53 of 100 (Notable)
North Stirlings	Australia	Record daily precipitation	42.0 mm (1.7 in)	53 of 100 (Notable)
Uglegorsk	Russia	Record daily precipitation	42.4 mm (1.7 in)	53 of 100 (Notable)
Anna 4 N	United States	Record low maximum temperature	9.4 C (48.9 F)	52 of 100 (Notable)
Fargo 3ENE	United States	Record daily precipitation	71.4 mm (2.8 in)	51 of 100 (Notable)
Cape Riche	Australia	Record daily precipitation	70.6 mm (2.8 in)	50 of 100 (Notable)
Bremer Bay	Australia	Record daily precipitation	69.4 mm (2.7 in)	50 of 100 (Notable)
Peppermint Grove	Australia	Record daily precipitation	62.0 mm (2.4 in)	49 of 100 (Notable)
White Gums	Australia	Record daily precipitation	81.4 mm (3.2 in)	49 of 100 (Notable)
Kodiak AP	United States	Record daily precipitation	86.1 mm (3.4 in)	49 of 100 (Notable)
Oake Marsh Farm	Australia	Record daily precipitation	28.8 mm (1.1 in)	48 of 100 (Notable)
Yladgee	Australia	Record daily precipitation	41.4 mm (1.6 in)	47 of 100 (Notable)
Cadiz	Spain	Record daily precipitation	43.3 mm (1.7 in)	47 of 100 (Notable)
Kalgan River	Australia	Record daily precipitation	53.2 mm (2.1 in)	46 of 100 (Notable)
Madrid/Barajas	Spain	Record daily precipitation	30.1 mm (1.2 in)	46 of 100 (Notable)
Madrid/Cuatrovientos	Spain	Record daily precipitation	36.4 mm (1.4 in)	46 of 100 (Notable)
Tamar	Australia	Record daily precipitation	46.0 mm (1.8 in)	45 of 100 (Notable)
Borden	Australia	Record daily precipitation	37.2 mm (1.5 in)	45 of 100 (Notable)
Nyabing	Australia	Record daily precipitation	35.0 mm (1.4 in)	45 of 100 (Notable)
Gairdner	Australia	Record daily precipitation	45.0 mm (1.8 in)	45 of 100 (Notable)
Elaroo	Australia	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Madrid - Retiro	Spain	Record daily precipitation	33.6 mm (1.3 in)	45 of 100 (Notable)
Warriup	Australia	Record daily precipitation	46.2 mm (1.8 in)	44 of 100 (Notable)
Norseman	Australia	Record daily precipitation	30.6 mm (1.2 in)	44 of 100 (Notable)
Navacerrada	Spain	Record daily precipitation	52.7 mm (2.1 in)	44 of 100 (Notable)
Buffalo 2 SSW	United States	Record daily precipitation	30.5 mm (1.2 in)	43 of 100 (Notable)
Castle Dale	United States	Record high maximum temperature	32.8 C (91.0 F)	43 of 100 (Notable)
Valladolid	Spain	Record daily precipitation	29.9 mm (1.2 in)	42 of 100 (Notable)
Snowflake	United States	Record high maximum temperature	32.8 C (91.0 F)	42 of 100 (Notable)
Glenwood 2WNW	United States	Record low minimum temperature	-3.9 C (25.0 F)	42 of 100 (Notable)
Chiricahua Nm	United States	Record high maximum temperature	34.4 C (93.9 F)	41 of 100 (Notable)
New Cumberland L/D	United States	Record low maximum temperature	11.7 C (53.1 F)	41 of 100 (Notable)
Albany	Australia	Record daily precipitation	49.6 mm (2.0 in)	40 of 100 (Notable)
Dzaore	Russia	Record daily precipitation	39.8 mm (1.6 in)	40 of 100 (Notable)
Duncan	United States	Record high maximum temperature	37.8 C (100.0 F)	40 of 100 (Notable)
Jerome	United States	Record high minimum temperature	20.6 C (69.1 F)	40 of 100 (Notable)
Huntington Lake	United States	Record high minimum temperature	17.8 C (64.0 F)	40 of 100 (Notable)
McGill	United States	Record high minimum temperature	13.3 C (55.9 F)	40 of 100 (Notable)
Eielson Fld	United States	Record high minimum temperature	16.1 C (61.0 F)	40 of 100 (Notable)
Williston Sloulin Fld	United States	Record low minimum temperature	-9.4 C (15.1 F)	40 of 100 (Notable)

Counts by Type and Timescale

1,079 records

Records set or tied on 30 September 2003 by type: Highest daily maximum 224, Lowest daily maximum 215, Highest daily minimum 177, Lowest daily minimum 163, Heaviest daily rainfall 291, Heaviest daily snowfall 6, Deepest snow cover 3.

Records on 30 September 2003 by type
Record type	Records
Highest daily maximum	224
Lowest daily maximum	215
Highest daily minimum	177
Lowest daily minimum	163
Heaviest daily rainfall	291
Heaviest daily snowfall	6
Deepest snow cover	3

Records on 30 September 2003 by timescale: all-time 0, monthly 59, daily 1,020.

How Much Records Were Beaten By

791 broken records

Margins by which the 791 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 96.8. Ties are not counted.

Top 20 by Significance

30 September 2003

Top 20 records on 30 September 2003 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 September 2003	Mianelup, AU	monthly rain	39.8 mm (1.6 in)	12.4 mm (0.5 in)	76 years	74 of 100 (Major)
30 September 2003	Mount Barker, AU	monthly rain	64.6 mm (2.5 in)	20.1 mm (0.8 in)	52 years	73 of 100 (Major)
30 September 2003	Balladonia, AU	daily rain	27.0 mm (1.1 in)	20.6 mm (0.8 in)	72 years	71 of 100 (Major)
30 September 2003	Everglades, US	daily rain	121.7 mm (4.8 in)	73.4 mm (2.9 in)	74 years	66 of 100 (Major)
30 September 2003	Cadoux, AU	daily rain	25.0 mm (1.0 in)	15.3 mm (0.6 in)	66 years	64 of 100 (Major)
30 September 2003	Naples, US	daily rain	165.4 mm (6.5 in)	96.8 mm (3.8 in)	52 years	61 of 100 (Major)
30 September 2003	Windrush, AU	monthly rain	62.2 mm (2.4 in)	32.4 mm (1.3 in)	24 years	60 of 100 (Major)
30 September 2003	Ulety, RU	daily rain	29.0 mm (1.1 in)	23.7 mm (0.9 in)	50 years	59 of 100 (Notable)
30 September 2003	Woogenellup, AU	daily rain	84.6 mm (3.3 in)	64.3 mm (2.5 in)	32 years	58 of 100 (Notable)
30 September 2003	Albany Airport, AU	monthly rain	61.4 mm (2.4 in)	17.5 mm (0.7 in)	40 years	58 of 100 (Notable)
30 September 2003	Mettler, AU	monthly rain	77.8 mm (3.1 in)	42.0 mm (1.7 in)	18 years	58 of 100 (Notable)
30 September 2003	Ongerup, AU	daily rain	40.8 mm (1.6 in)	24.5 mm (1.0 in)	32 years	58 of 100 (Notable)
30 September 2003	Edenholme, AU	daily rain	26.0 mm (1.0 in)	13.3 mm (0.5 in)	72 years	57 of 100 (Notable)
30 September 2003	Jam Vale, AU	daily rain	57.0 mm (2.2 in)	35.9 mm (1.4 in)	32 years	57 of 100 (Notable)
30 September 2003	Lake Grace Comparison, AU	daily rain	26.2 mm (1.0 in)	15.5 mm (0.6 in)	32 years	57 of 100 (Notable)
30 September 2003	Abu Hamed, SD	daily rain	70.1 mm (2.8 in)	70.1 mm (2.8 in)	45 years	57 of 100 (Notable)
30 September 2003	Lake Hinds, AU	daily rain	26.0 mm (1.0 in)	11.3 mm (0.4 in)	66 years	55 of 100 (Notable)
30 September 2003	Chillinup, AU	daily rain	43.2 mm (1.7 in)	14.0 mm (0.6 in)	89 years	55 of 100 (Notable)
30 September 2003	Galva, US	monthly low min	-7.2 C (19.0 F)	2.2 C (4.0 F)	103 years	54 of 100 (Notable)
30 September 2003	Kilauea 1134, US	daily high max	31.7 C (89.1 F)	2.3 C (4.1 F)	84 years	54 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 1,079 records.

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

Records on 09-30 in each year
Year	Records
1806	1
1813	1
1817	1
1819	2
1834	1
1841	1
1842	1
1847	1
1853	1
1854	1
1855	1
1861	1
1862	1
1866	1
1868	2
1869	3
1870	1
1874	1
1877	1
1878	1
1881	5
1883	2
1885	1
1886	3
1887	1
1888	4
1889	1
1892	2
1893	3
1894	8
1895	5
1896	2
1897	3
1898	3
1899	12
1900	4
1901	11
1902	7
1903	9
1904	14
1905	25
1906	14
1907	16
1908	18
1909	10
1910	5
1911	47
1912	47
1913	10
1914	33
1915	84
1916	209
1917	19
1918	45
1919	28
1920	71
1921	61
1922	71
1923	183
1924	243
1925	211
1926	194
1927	486
1928	560
1929	181
1930	110
1931	225
1932	363
1933	437
1934	398
1935	209
1936	432
1937	417
1938	428
1939	371
1940	316
1941	482
1942	405
1943	404
1944	369
1945	889
1946	320
1947	433
1948	267
1949	366
1950	731
1951	597
1952	504
1953	1,136
1954	1,059
1955	406
1956	350
1957	663
1958	442
1959	1,159
1960	161
1961	618
1962	202
1963	818
1964	332
1965	459
1966	592
1967	859
1968	449
1969	465
1970	334
1971	1,359
1972	676
1973	407
1974	742
1975	686
1976	775
1977	870
1978	399
1979	479
1980	832
1981	688
1982	806
1983	1,102
1984	1,267
1985	1,892
1986	1,805
1987	649
1988	453
1989	713
1990	665
1991	949
1992	980
1993	988
1994	816
1995	1,061
1996	1,396
1997	729
1998	1,206
1999	1,144
2000	887
2001	699
2002	677
2003	1,079
2004	573
2005	761
2006	617
2007	841
2008	585
2009	826
2010	1,059
2011	1,258
2012	637
2013	634
2014	529
2015	997
2016	746
2017	404
2018	717
2019	2,192
2020	554
2021	823
2022	563
2023	1,012
2024	948
2025	559
2026	529

Download the Data

Data for records on 2003-09-30: 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 2026-10-17 (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	746
20 to 40	35
40 to 60	5
60 to 80	4
80 to 100	1