Weather Records on 30 July 2001

1,400 weather records were set or tied worldwide on 30 July 2001. Highest significance: Mundaring, AU.

Key Facts for 30 July 2001

On 30 July 2001, 1,400 weather records were set or tied at long-record stations worldwide.
571 were record highs and 328 were record lows, counting maximum and minimum temperature.
By timescale, 13 were all-time records, 101 monthly and 1,286 daily.
Mundaring set an all-time record daily precipitation of 155.8 mm (6.1 in) on 30 July 2001.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 435 records.

Record Map

1,400 stations

1,400 station records on 30 July 2001 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 2001: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mundaring	Australia	Record daily precipitation	155.8 mm (6.1 in)	91 of 100 (Exceptional)
West Swan	Australia	Record daily precipitation	133.0 mm (5.2 in)	90 of 100 (Exceptional)
Lake Biddy	Australia	Record daily precipitation	55.0 mm (2.2 in)	79 of 100 (Major)
Quellington	Australia	Record daily precipitation	49.0 mm (1.9 in)	74 of 100 (Major)
Mundaring Weir	Australia	Record daily precipitation	147.0 mm (5.8 in)	73 of 100 (Major)
South Caroling	Australia	Record daily precipitation	35.0 mm (1.4 in)	71 of 100 (Major)
The Granites	Australia	Record daily precipitation	36.2 mm (1.4 in)	70 of 100 (Major)
Ravensthorpe	Australia	Record daily precipitation	48.0 mm (1.9 in)	70 of 100 (Major)
Newdegate South	Australia	Record daily precipitation	41.4 mm (1.6 in)	69 of 100 (Major)
Elkhorn	United States	Record daily precipitation	55.9 mm (2.2 in)	68 of 100 (Major)
Ardath	Australia	Record daily precipitation	42.0 mm (1.7 in)	67 of 100 (Major)
Yathroo	Australia	Record daily precipitation	49.0 mm (1.9 in)	66 of 100 (Major)
Bolgart	Australia	Record daily precipitation	49.6 mm (2.0 in)	66 of 100 (Major)
Tasiilaq	Greenland [Denmark]	Record daily precipitation	39.9 mm (1.6 in)	66 of 100 (Major)
Cunderdin	Australia	Record daily precipitation	41.6 mm (1.6 in)	65 of 100 (Major)
Muchea Tree Farm	Australia	Record daily precipitation	81.0 mm (3.2 in)	62 of 100 (Major)
Booralee	Australia	Record daily precipitation	38.5 mm (1.5 in)	62 of 100 (Major)
Central Michigan UNIV	United States	Record daily precipitation	67.1 mm (2.6 in)	62 of 100 (Major)
Bulyee	Australia	Record daily precipitation	44.6 mm (1.8 in)	61 of 100 (Major)
Edenholme	Australia	Record daily precipitation	45.0 mm (1.8 in)	61 of 100 (Major)
Marlinton	United States	Record daily precipitation	42.2 mm (1.7 in)	61 of 100 (Major)
Mount Madden	Australia	Record daily precipitation	47.0 mm (1.9 in)	60 of 100 (Major)
Pingelly	Australia	Record daily precipitation	57.7 mm (2.3 in)	60 of 100 (Major)
Manati 2 E	Puerto Rico [United States]	Record daily precipitation	54.6 mm (2.1 in)	60 of 100 (Major)
Beverley	Australia	Record daily precipitation	48.9 mm (1.9 in)	59 of 100 (Notable)
Bilbarin	Australia	Record daily precipitation	45.0 mm (1.8 in)	59 of 100 (Notable)
Inkpen	Australia	Record daily precipitation	69.0 mm (2.7 in)	58 of 100 (Notable)
Doodenanning	Australia	Record daily precipitation	48.2 mm (1.9 in)	58 of 100 (Notable)
Puntilla	United States	Record daily precipitation	51.3 mm (2.0 in)	58 of 100 (Notable)
Amrista Park	Australia	Record daily precipitation	60.2 mm (2.4 in)	57 of 100 (Notable)
White House Farm	Australia	Record daily precipitation	55.6 mm (2.2 in)	57 of 100 (Notable)
Graham Rock	Australia	Record daily precipitation	28.0 mm (1.1 in)	56 of 100 (Notable)
Wongan Hills	Australia	Record daily precipitation	45.8 mm (1.8 in)	55 of 100 (Notable)
Wannamal	Australia	Record daily precipitation	57.8 mm (2.3 in)	55 of 100 (Notable)
Merredin Research Station	Australia	Record daily precipitation	28.0 mm (1.1 in)	55 of 100 (Notable)
Corrigin	Australia	Record daily precipitation	45.6 mm (1.8 in)	55 of 100 (Notable)
Kondinin	Australia	Record daily precipitation	45.6 mm (1.8 in)	55 of 100 (Notable)
Bathurst	Australia	Record daily precipitation	40.0 mm (1.6 in)	55 of 100 (Notable)
Youndegin	Australia	Record daily precipitation	54.0 mm (2.1 in)	54 of 100 (Notable)
Tammin	Australia	Record daily precipitation	34.0 mm (1.3 in)	54 of 100 (Notable)
Brookton	Australia	Record daily precipitation	71.3 mm (2.8 in)	54 of 100 (Notable)
Purcellville	United States	Record low maximum temperature	18.3 C (64.9 F)	54 of 100 (Notable)
Colorado	Australia	Record daily precipitation	43.8 mm (1.7 in)	53 of 100 (Notable)
Mormon Flat	United States	Record daily precipitation	50.3 mm (2.0 in)	53 of 100 (Notable)
Subiaco Treatment Plant	Australia	Record daily precipitation	82.0 mm (3.2 in)	52 of 100 (Notable)
Badgingarra Research STN	Australia	Record daily precipitation	53.0 mm (2.1 in)	51 of 100 (Notable)
Victoria Dam	Australia	Record daily precipitation	96.6 mm (3.8 in)	51 of 100 (Notable)
Northam	Australia	Record daily precipitation	50.6 mm (2.0 in)	51 of 100 (Notable)
Karlgarin	Australia	Record daily precipitation	44.6 mm (1.8 in)	51 of 100 (Notable)
Lake King	Australia	Record daily precipitation	39.8 mm (1.6 in)	51 of 100 (Notable)
St Albans	Australia	Record daily precipitation	43.4 mm (1.7 in)	51 of 100 (Notable)
Koorikin	Australia	Record daily precipitation	45.2 mm (1.8 in)	51 of 100 (Notable)
Grangeville	United States	Record low maximum temperature	13.9 C (57.0 F)	51 of 100 (Notable)
Pemberton	United States	Record low maximum temperature	21.1 C (70.0 F)	51 of 100 (Notable)
Byllesby 1 S	United States	Record daily precipitation	88.6 mm (3.5 in)	51 of 100 (Notable)
Romney 1 SW	United States	Record daily precipitation	37.1 mm (1.5 in)	51 of 100 (Notable)
Narembeen	Australia	Record daily precipitation	26.1 mm (1.0 in)	50 of 100 (Notable)
Reine	Norway	Record daily precipitation	72.4 mm (2.9 in)	50 of 100 (Notable)
Quicksand	United States	Record daily precipitation	84.8 mm (3.3 in)	50 of 100 (Notable)
Piawaning	Australia	Record daily precipitation	33.2 mm (1.3 in)	49 of 100 (Notable)

Counts by Type and Timescale

1,400 records

Records set or tied on 30 July 2001 by type: Highest daily maximum 151, Lowest daily maximum 212, Highest daily minimum 420, Lowest daily minimum 116, Heaviest daily rainfall 501.

Records on 30 July 2001 by type
Record type	Records
Highest daily maximum	151
Lowest daily maximum	212
Highest daily minimum	420
Lowest daily minimum	116
Heaviest daily rainfall	501
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 2001 by timescale: all-time 13, monthly 101, daily 1,286.

How Much Records Were Beaten By

1,104 broken records

Margins by which the 1,104 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 78.4. Ties are not counted.

Top 20 by Significance

30 July 2001

Top 20 records on 30 July 2001 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 2001	Mundaring, AU	all-time rain	155.8 mm (6.1 in)	49.1 mm (1.9 in)	81 years	91 of 100 (Exceptional)
30 July 2001	West Swan, AU	all-time rain	133.0 mm (5.2 in)	42.8 mm (1.7 in)	75 years	90 of 100 (Exceptional)
30 July 2001	Lake Biddy, AU	monthly rain	55.0 mm (2.2 in)	21.2 mm (0.8 in)	75 years	79 of 100 (Major)
30 July 2001	Quellington, AU	daily rain	49.0 mm (1.9 in)	27.9 mm (1.1 in)	84 years	74 of 100 (Major)
30 July 2001	Mundaring Weir, AU	all-time rain	147.0 mm (5.8 in)	30.2 mm (1.2 in)	67 years	73 of 100 (Major)
30 July 2001	South Caroling, AU	daily rain	35.0 mm (1.4 in)	21.8 mm (0.9 in)	75 years	71 of 100 (Major)
30 July 2001	The Granites, AU	daily rain	36.2 mm (1.4 in)	19.2 mm (0.8 in)	75 years	70 of 100 (Major)
30 July 2001	Ravensthorpe, AU	monthly rain	48.0 mm (1.9 in)	17.3 mm (0.7 in)	43 years	70 of 100 (Major)
30 July 2001	Newdegate South, AU	daily rain	41.4 mm (1.6 in)	26.7 mm (1.1 in)	74 years	69 of 100 (Major)
30 July 2001	Elkhorn, US	daily rain	55.9 mm (2.2 in)	33.3 mm (1.3 in)	104 years	68 of 100 (Major)
30 July 2001	Ardath, AU	daily rain	42.0 mm (1.7 in)	21.9 mm (0.9 in)	75 years	67 of 100 (Major)
30 July 2001	Yathroo, AU	daily rain	49.0 mm (1.9 in)	31.5 mm (1.2 in)	75 years	66 of 100 (Major)
30 July 2001	Bolgart, AU	daily rain	49.6 mm (2.0 in)	25.2 mm (1.0 in)	79 years	66 of 100 (Major)
30 July 2001	Tasiilaq, GL	daily rain	39.9 mm (1.6 in)	26.8 mm (1.1 in)	62 years	66 of 100 (Major)
30 July 2001	Cunderdin, AU	daily rain	41.6 mm (1.6 in)	23.3 mm (0.9 in)	58 years	65 of 100 (Major)
30 July 2001	Muchea Tree Farm, AU	monthly rain	81.0 mm (3.2 in)	17.5 mm (0.7 in)	89 years	62 of 100 (Major)
30 July 2001	Booralee, AU	daily rain	38.5 mm (1.5 in)	23.0 mm (0.9 in)	47 years	62 of 100 (Major)
30 July 2001	Central Michigan UNIV, US	daily rain	67.1 mm (2.6 in)	47.0 mm (1.9 in)	42 years	62 of 100 (Major)
30 July 2001	Bulyee, AU	daily rain	44.6 mm (1.8 in)	24.3 mm (1.0 in)	52 years	61 of 100 (Major)
30 July 2001	Edenholme, AU	daily rain	45.0 mm (1.8 in)	33.6 mm (1.3 in)	47 years	61 of 100 (Major)

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

1794 to 2001

Records set or tied on this calendar date in each year from 1794 to 2001. 2001 had 1,400 records.

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

Records on 07-30 in each year
Year	Records
1794	2
1797	1
1827	1
1828	2
1829	1
1830	1
1834	1
1837	2
1838	1
1840	1
1841	1
1843	1
1854	1
1857	1
1858	2
1860	4
1863	1
1867	1
1868	1
1869	2
1870	1
1874	2
1875	1
1876	1
1877	2
1879	1
1880	2
1885	3
1886	5
1887	6
1888	5
1889	1
1890	2
1891	1
1892	1
1893	10
1894	6
1895	2
1896	2
1897	4
1898	8
1899	2
1900	4
1901	11
1902	6
1903	25
1904	17
1905	29
1906	22
1907	11
1908	23
1909	30
1910	8
1911	54
1912	21
1913	34
1914	52
1915	26
1916	150
1917	93
1918	42
1919	19
1920	188
1921	193
1922	40
1923	428
1924	80
1925	275
1926	186
1927	109
1928	210
1929	221
1930	170
1931	432
1932	275
1933	451
1934	619
1935	340
1936	452
1937	245
1938	388
1939	395
1940	562
1941	371
1942	304
1943	397
1944	289
1945	299
1946	409
1947	394
1948	489
1949	512
1950	552
1951	322
1952	581
1953	345
1954	504
1955	787
1956	506
1957	289
1958	344
1959	391
1960	793
1961	511
1962	378
1963	308
1964	483
1965	978
1966	527
1967	282
1968	530
1969	506
1970	431
1971	2,319
1972	758
1973	434
1974	569
1975	1,049
1976	590
1977	641
1978	646
1979	761
1980	962
1981	851
1982	821
1983	904
1984	997
1985	1,029
1986	952
1987	1,084
1988	826
1989	1,227
1990	795
1991	734
1992	1,003
1993	965
1994	1,631
1995	1,207
1996	1,317
1997	933
1998	1,240
1999	1,456
2000	1,030
2001	1,400
2002	1,346
2003	1,163
2004	936
2005	788
2006	1,103
2007	1,160
2008	763
2009	1,328
2010	1,331
2011	1,003
2012	731
2013	737
2014	1,199
2015	682
2016	460
2017	464
2018	1,038
2019	486
2020	762
2021	839
2022	845
2023	683
2024	705
2025	869
2026	1,001

Download the Data

Data for records on 2001-07-30: 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 2026-10-12 (12 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 10	915
10 to 20	118
20 to 30	46
30 to 40	15
40 to 50	4
50 to 60	5
60 to 70	0
70 to 80	1