Weather Records on 30 July 2009

1,328 weather records were set or tied worldwide on 30 July 2009. Highest significance: Halden, NO.

Key Facts for 30 July 2009

On 30 July 2009, 1,328 weather records were set or tied at long-record stations worldwide.
716 were record highs and 306 were record lows, counting maximum and minimum temperature.
By timescale, 20 were all-time records, 58 monthly and 1,250 daily.
Halden set a daily record precipitation of 54.0 mm (2.1 in) on 30 July 2009.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 435 records.

Record Map

1,328 stations

1,328 station records on 30 July 2009 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 2009: highest significance records shown on the map
Station	Country	Type	Value	Significance
Halden	Norway	Record daily precipitation	54.0 mm (2.1 in)	66 of 100 (Major)
Port Townsend	United States	Record high minimum temperature	19.4 C (66.9 F)	63 of 100 (Major)
Leoti	United States	Record daily precipitation	43.7 mm (1.7 in)	61 of 100 (Major)
Vancouver 4 NNE	United States	Record high maximum temperature	41.1 C (106.0 F)	61 of 100 (Major)
Claryville	United States	Record daily precipitation	83.8 mm (3.3 in)	59 of 100 (Notable)
Bjornholt	Norway	Record daily precipitation	56.2 mm (2.2 in)	58 of 100 (Notable)
Sailes Fire Twr	United States	Record daily precipitation	101.6 mm (4.0 in)	57 of 100 (Notable)
Liberty 1 NE	United States	Record daily precipitation	94.5 mm (3.7 in)	57 of 100 (Notable)
Talladega	United States	Record daily precipitation	92.7 mm (3.6 in)	56 of 100 (Notable)
Sola	Norway	Record daily precipitation	54.4 mm (2.1 in)	55 of 100 (Notable)
Tulun	Russia	Record daily precipitation	78.4 mm (3.1 in)	55 of 100 (Notable)
Greensburg	United States	Record daily precipitation	69.9 mm (2.8 in)	55 of 100 (Notable)
New Cumberland L/D	United States	Record daily precipitation	35.8 mm (1.4 in)	55 of 100 (Notable)
Tryvasshogda	Norway	Record daily precipitation	57.4 mm (2.3 in)	54 of 100 (Notable)
Egersund	Norway	Record daily precipitation	57.5 mm (2.3 in)	54 of 100 (Notable)
Springhill	United States	Record daily precipitation	177.8 mm (7.0 in)	54 of 100 (Notable)
Lensk	Russia	Record daily precipitation	63.2 mm (2.5 in)	53 of 100 (Notable)
Summersville 3 SE	United States	Record daily precipitation	83.8 mm (3.3 in)	53 of 100 (Notable)
Arnett 3NE	United States	Record daily precipitation	63.5 mm (2.5 in)	53 of 100 (Notable)
Chandler	United States	Record daily precipitation	114.3 mm (4.5 in)	53 of 100 (Notable)
Fedafjorden II	Norway	Record daily precipitation	72.0 mm (2.8 in)	52 of 100 (Notable)
Severnoe	Russia	Record daily precipitation	55.5 mm (2.2 in)	52 of 100 (Notable)
Whitehall	United States	Record daily precipitation	86.9 mm (3.4 in)	52 of 100 (Notable)
Alvin	United States	Record high minimum temperature	26.7 C (80.1 F)	52 of 100 (Notable)
Lake Arthur 7 SW	United States	Record high minimum temperature	27.8 C (82.0 F)	51 of 100 (Notable)
Conklingville Dam	United States	Record daily precipitation	71.1 mm (2.8 in)	50 of 100 (Notable)
Northville	United States	Record daily precipitation	79.2 mm (3.1 in)	50 of 100 (Notable)
Headworks Portland Wtr B	United States	Record high minimum temperature	18.3 C (64.9 F)	50 of 100 (Notable)
Towanda 1 S	United States	Record daily precipitation	46.5 mm (1.8 in)	50 of 100 (Notable)
Sedro-Woolley	United States	Record high maximum temperature	36.7 C (98.1 F)	50 of 100 (Notable)
Hvaler	Norway	Record daily precipitation	45.0 mm (1.8 in)	49 of 100 (Notable)
Ft Kent	United States	Record daily precipitation	50.8 mm (2.0 in)	49 of 100 (Notable)
Angleton 2 W	United States	Record high minimum temperature	28.3 C (82.9 F)	49 of 100 (Notable)
Brownwood 2NE	United States	Record daily precipitation	37.3 mm (1.5 in)	48 of 100 (Notable)
Centralia	United States	Record high maximum temperature	41.1 C (106.0 F)	48 of 100 (Notable)
Oslo Blindern	Norway	Record daily precipitation	40.4 mm (1.6 in)	47 of 100 (Notable)
Glencliff 2	United States	Record daily precipitation	77.5 mm (3.1 in)	47 of 100 (Notable)
Delhi 2 SE	United States	Record daily precipitation	65.8 mm (2.6 in)	47 of 100 (Notable)
Sarpsborg	Norway	Record daily precipitation	37.0 mm (1.5 in)	46 of 100 (Notable)
Wauchula	United States	Record daily precipitation	116.3 mm (4.6 in)	46 of 100 (Notable)
Fredericksburg	United States	Record low maximum temperature	26.7 C (80.1 F)	46 of 100 (Notable)
Lunner	Norway	Record daily precipitation	37.3 mm (1.5 in)	45 of 100 (Notable)
Floter	Norway	Record daily precipitation	51.0 mm (2.0 in)	45 of 100 (Notable)
Marion	United States	Record high maximum temperature	37.2 C (99.0 F)	45 of 100 (Notable)
Leedey	United States	Record daily precipitation	82.3 mm (3.2 in)	45 of 100 (Notable)
Goliad	United States	Record high minimum temperature	27.2 C (81.0 F)	45 of 100 (Notable)
Graham	United States	Record daily precipitation	67.3 mm (2.6 in)	45 of 100 (Notable)
Espedalen	Norway	Record daily precipitation	38.0 mm (1.5 in)	44 of 100 (Notable)
Sviland	Norway	Record daily precipitation	80.0 mm (3.1 in)	44 of 100 (Notable)
Wray	United States	Record low maximum temperature	20.6 C (69.1 F)	44 of 100 (Notable)
Van Buren 2	United States	Record daily precipitation	56.9 mm (2.2 in)	44 of 100 (Notable)
Canton 4N	United States	Record daily precipitation	71.9 mm (2.8 in)	44 of 100 (Notable)
Ellenville	United States	Record daily precipitation	75.4 mm (3.0 in)	44 of 100 (Notable)
Norwich	United States	Record daily precipitation	44.2 mm (1.7 in)	44 of 100 (Notable)
Tribes Hill	United States	Record daily precipitation	67.6 mm (2.7 in)	44 of 100 (Notable)
Boerne	United States	Record high minimum temperature	25.6 C (78.1 F)	44 of 100 (Notable)
Potrerillos	Mexico	Record low minimum temperature	10.6 C (51.1 F)	43 of 100 (Notable)
Rison	United States	Record low maximum temperature	26.7 C (80.1 F)	43 of 100 (Notable)
Walden	United States	Record low maximum temperature	18.3 C (64.9 F)	43 of 100 (Notable)
Flatonia 4SE	United States	Record high minimum temperature	26.7 C (80.1 F)	43 of 100 (Notable)

Counts by Type and Timescale

1,328 records

Records set or tied on 30 July 2009 by type: Highest daily maximum 360, Lowest daily maximum 185, Highest daily minimum 356, Lowest daily minimum 121, Heaviest daily rainfall 306.

Records on 30 July 2009 by type
Record type	Records
Highest daily maximum	360
Lowest daily maximum	185
Highest daily minimum	356
Lowest daily minimum	121
Heaviest daily rainfall	306
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 2009 by timescale: all-time 20, monthly 58, daily 1,250.

How Much Records Were Beaten By

932 broken records

Margins by which the 932 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 140.5. Ties are not counted.

Top 20 by Significance

30 July 2009

Top 20 records on 30 July 2009 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 2009	Halden, NO	daily rain	54.0 mm (2.1 in)	27.8 mm (1.1 in)	64 years	66 of 100 (Major)
30 July 2009	Port Townsend, US	daily high min	19.4 C (66.9 F)	5.0 C (9.0 F)	84 years	63 of 100 (Major)
30 July 2009	Leoti, US	daily rain	43.7 mm (1.7 in)	23.4 mm (0.9 in)	106 years	61 of 100 (Major)
30 July 2009	Vancouver 4 NNE, US	all-time high max	41.1 C (106.0 F)	0.5 C (0.9 F)	102 years	61 of 100 (Major)
30 July 2009	Claryville, US	daily rain	83.8 mm (3.3 in)	55.9 mm (2.2 in)	46 years	59 of 100 (Notable)
30 July 2009	Bjornholt, NO	daily rain	56.2 mm (2.2 in)	16.7 mm (0.7 in)	108 years	58 of 100 (Notable)
30 July 2009	Sailes Fire Twr, US	daily rain	101.6 mm (4.0 in)	82.5 mm (3.2 in)	42 years	57 of 100 (Notable)
30 July 2009	Liberty 1 NE, US	daily rain	94.5 mm (3.7 in)	55.4 mm (2.2 in)	32 years	57 of 100 (Notable)
30 July 2009	Talladega, US	daily rain	92.7 mm (3.6 in)	50.3 mm (2.0 in)	38 years	56 of 100 (Notable)
30 July 2009	Sola, NO	daily rain	54.4 mm (2.1 in)	27.6 mm (1.1 in)	36 years	55 of 100 (Notable)
30 July 2009	Tulun, RU	daily rain	78.4 mm (3.1 in)	33.4 mm (1.3 in)	43 years	55 of 100 (Notable)
30 July 2009	Greensburg, US	daily rain	69.9 mm (2.8 in)	19.9 mm (0.8 in)	108 years	55 of 100 (Notable)
30 July 2009	New Cumberland L/D, US	daily rain	35.8 mm (1.4 in)	18.0 mm (0.7 in)	107 years	55 of 100 (Notable)
30 July 2009	Tryvasshogda, NO	daily rain	57.4 mm (2.3 in)	34.9 mm (1.4 in)	38 years	54 of 100 (Notable)
30 July 2009	Egersund, NO	daily rain	57.5 mm (2.3 in)	34.5 mm (1.4 in)	36 years	54 of 100 (Notable)
30 July 2009	Springhill, US	daily rain	177.8 mm (7.0 in)	140.5 mm (5.5 in)	32 years	54 of 100 (Notable)
30 July 2009	Lensk, RU	daily rain	63.2 mm (2.5 in)	52.7 mm (2.1 in)	20 years	53 of 100 (Notable)
30 July 2009	Summersville 3 SE, US	daily rain	83.8 mm (3.3 in)	53.3 mm (2.1 in)	52 years	53 of 100 (Notable)
30 July 2009	Arnett 3NE, US	daily rain	63.5 mm (2.5 in)	31.7 mm (1.2 in)	60 years	53 of 100 (Notable)
30 July 2009	Chandler, US	monthly rain	114.3 mm (4.5 in)	12.7 mm (0.5 in)	87 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

1794 to 2009

Records set or tied on this calendar date in each year from 1794 to 2009. 2009 had 1,328 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	1,048
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	763
2021	839
2022	845
2023	683
2024	705
2025	869
2026	1,001

Download the Data

Data for records on 2009-07-30: 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 2026-10-17 (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	860
20 to 40	59
40 to 60	11
60 to 80	0
80 to 100	1
100 to 120	0
120 to 140	0
140 to 160	1