Weather Records on 20 August 2007

1,955 weather records were set or tied worldwide on 20 August 2007. Highest significance: Wyong (Wyong Golf Club), AU.

Key Facts for 20 August 2007

On 20 August 2007, 1,955 weather records were set or tied at long-record stations worldwide.
746 were record highs and 417 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 73 monthly and 1,879 daily.
Wyong (Wyong Golf Club) set a daily record precipitation of 111.0 mm (4.4 in) on 20 August 2007.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 446 records.

Record Map

1,955 stations

1,955 station records on 20 August 2007 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 2007: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wyong (Wyong Golf Club)	Australia	Record daily precipitation	111.0 mm (4.4 in)	80 of 100 (Exceptional)
Pennant Hills (Yarrara Road)	Australia	Record daily precipitation	105.6 mm (4.2 in)	80 of 100 (Exceptional)
Bilpin (Fern Grove)	Australia	Record daily precipitation	96.2 mm (3.8 in)	79 of 100 (Major)
Berowra (Goodwyn Road)	Australia	Record daily precipitation	114.2 mm (4.5 in)	78 of 100 (Major)
Cooranbong (Avondale)	Australia	Record daily precipitation	109.2 mm (4.3 in)	74 of 100 (Major)
Sydney (Observatory Hill)	Australia	Record daily precipitation	105.6 mm (4.2 in)	73 of 100 (Major)
Shawnee	United States	Record daily precipitation	117.6 mm (4.6 in)	73 of 100 (Major)
Katoomba (Murri St)	Australia	Record daily precipitation	92.2 mm (3.6 in)	72 of 100 (Major)
The Channon	Australia	Record daily precipitation	50.0 mm (2.0 in)	68 of 100 (Major)
Winona	United States	Record daily precipitation	101.6 mm (4.0 in)	68 of 100 (Major)
Coloso	Puerto Rico [United States]	Record high minimum temperature	27.8 C (82.0 F)	67 of 100 (Major)
Forster - Tuncurry R.V.C.P.	Australia	Record daily precipitation	64.6 mm (2.5 in)	66 of 100 (Major)
Harrington (Oxley Anchorage Ca	Australia	Record daily precipitation	62.8 mm (2.5 in)	66 of 100 (Major)
Marrickville Golf Club	Australia	Record daily precipitation	65.0 mm (2.6 in)	66 of 100 (Major)
Richmond - Uws Hawkesbury	Australia	Record daily precipitation	63.6 mm (2.5 in)	66 of 100 (Major)
Prospect Reservoir	Australia	Record daily precipitation	60.7 mm (2.4 in)	65 of 100 (Major)
Diyarbakir	Turkey	Record daily precipitation	99.1 mm (3.9 in)	65 of 100 (Major)
Boone	United States	Record daily precipitation	150.4 mm (5.9 in)	65 of 100 (Major)
Springwood Bowling Club	Australia	Record daily precipitation	81.3 mm (3.2 in)	64 of 100 (Major)
Albia 3 NNE	United States	Record daily precipitation	77.0 mm (3.0 in)	64 of 100 (Major)
Lancaster 4 WSW	United States	Record daily precipitation	83.8 mm (3.3 in)	64 of 100 (Major)
Concord Golf Club	Australia	Record daily precipitation	94.2 mm (3.7 in)	63 of 100 (Major)
Rosa Brook	Australia	Record daily precipitation	55.0 mm (2.2 in)	62 of 100 (Major)
Brooklyn (Sandbrook Inlet)	Australia	Record daily precipitation	109.0 mm (4.3 in)	62 of 100 (Major)
Milford Gm Proving Ground	United States	Record daily precipitation	65.0 mm (2.6 in)	62 of 100 (Major)
Woolners Arm	Australia	Record daily precipitation	32.2 mm (1.3 in)	61 of 100 (Major)
Nantes-Bouguenais	France	Record daily precipitation	39.6 mm (1.6 in)	61 of 100 (Major)
Angermunde	Germany	Record daily precipitation	52.8 mm (2.1 in)	61 of 100 (Major)
Hiram	United States	Record daily precipitation	46.2 mm (1.8 in)	60 of 100 (Major)
Defiance	United States	Record daily precipitation	64.0 mm (2.5 in)	59 of 100 (Notable)
Springside	Australia	Record daily precipitation	40.8 mm (1.6 in)	58 of 100 (Notable)
Woodspring	Australia	Record daily precipitation	40.0 mm (1.6 in)	58 of 100 (Notable)
Wisemans Ferry (Old Po)	Australia	Record daily precipitation	110.0 mm (4.3 in)	58 of 100 (Notable)
Seven Hills (Collins St)	Australia	Record daily precipitation	60.4 mm (2.4 in)	58 of 100 (Notable)
Okemah	United States	Record daily precipitation	162.6 mm (6.4 in)	58 of 100 (Notable)
Turramurra (Kissing Point Road	Australia	Record daily precipitation	106.6 mm (4.2 in)	57 of 100 (Notable)
Fremont	United States	Record daily precipitation	61.2 mm (2.4 in)	57 of 100 (Notable)
Possum Park	Australia	Record daily precipitation	30.0 mm (1.2 in)	56 of 100 (Notable)
Port Macquarie (Bellevue Garde	Australia	Record daily precipitation	70.2 mm (2.8 in)	56 of 100 (Notable)
Jewell	United States	Record daily precipitation	99.8 mm (3.9 in)	56 of 100 (Notable)
Sandy Hills (Tourello Park)	Australia	Record daily precipitation	43.0 mm (1.7 in)	55 of 100 (Notable)
Newcastle Nobbys Signal Statio	Australia	Record daily precipitation	69.6 mm (2.7 in)	55 of 100 (Notable)
Broke (Harrowby)	Australia	Record daily precipitation	31.6 mm (1.2 in)	55 of 100 (Notable)
Faulconbridge (St Georges Cres	Australia	Record daily precipitation	74.8 mm (2.9 in)	55 of 100 (Notable)
Tripoli	United States	Record daily precipitation	83.6 mm (3.3 in)	55 of 100 (Notable)
Detroit City AP	United States	Record daily precipitation	51.1 mm (2.0 in)	55 of 100 (Notable)
Jingi Jingi	Australia	Record daily precipitation	29.4 mm (1.2 in)	54 of 100 (Notable)
Warialda Post Office	Australia	Record daily precipitation	40.8 mm (1.6 in)	54 of 100 (Notable)
Fichtelberg	Germany	Record daily precipitation	41.2 mm (1.6 in)	54 of 100 (Notable)
Sain Alto	Mexico	Record daily precipitation	69.9 mm (2.8 in)	54 of 100 (Notable)
Elanora Water Treatment Plant	Australia	Record daily precipitation	49.0 mm (1.9 in)	53 of 100 (Notable)
Karara	Australia	Record daily precipitation	45.0 mm (1.8 in)	53 of 100 (Notable)
Ourimbah (Dog Trap Road)	Australia	Record daily precipitation	138.2 mm (5.4 in)	53 of 100 (Notable)
Elkader 6 SSW	United States	Record daily precipitation	90.2 mm (3.6 in)	53 of 100 (Notable)
Rockwell City	United States	Record daily precipitation	134.4 mm (5.3 in)	53 of 100 (Notable)
Waynesville 2 W	United States	Record daily precipitation	76.7 mm (3.0 in)	53 of 100 (Notable)
New Castle 1 N	United States	Record low maximum temperature	16.1 C (61.0 F)	53 of 100 (Notable)
West Haldon	Australia	Record daily precipitation	41.2 mm (1.6 in)	52 of 100 (Notable)
Coolesha	Australia	Record daily precipitation	35.0 mm (1.4 in)	52 of 100 (Notable)
Tipton Bridge	Australia	Record daily precipitation	41.4 mm (1.6 in)	52 of 100 (Notable)

Counts by Type and Timescale

1,955 records

Records set or tied on 20 August 2007 by type: Highest daily maximum 300, Lowest daily maximum 311, Highest daily minimum 446, Lowest daily minimum 106, Heaviest daily rainfall 792.

Records on 20 August 2007 by type
Record type	Records
Highest daily maximum	300
Lowest daily maximum	311
Highest daily minimum	446
Lowest daily minimum	106
Heaviest daily rainfall	792
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 2007 by timescale: all-time 3, monthly 73, daily 1,879.

How Much Records Were Beaten By

1,522 broken records

Margins by which the 1,522 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 117.8. Ties are not counted.

Top 20 by Significance

20 August 2007

Top 20 records on 20 August 2007 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 2007	Wyong (Wyong Golf Club), AU	daily rain	111.0 mm (4.4 in)	72.9 mm (2.9 in)	107 years	80 of 100 (Exceptional)
20 August 2007	Pennant Hills (Yarrara Road), AU	daily rain	105.6 mm (4.2 in)	84.0 mm (3.3 in)	105 years	80 of 100 (Exceptional)
20 August 2007	Bilpin (Fern Grove), AU	daily rain	96.2 mm (3.8 in)	70.3 mm (2.8 in)	105 years	79 of 100 (Major)
20 August 2007	Berowra (Goodwyn Road), AU	daily rain	114.2 mm (4.5 in)	101.8 mm (4.0 in)	96 years	78 of 100 (Major)
20 August 2007	Cooranbong (Avondale), AU	daily rain	109.2 mm (4.3 in)	64.7 mm (2.5 in)	82 years	74 of 100 (Major)
20 August 2007	Sydney (Observatory Hill), AU	daily rain	105.6 mm (4.2 in)	55.1 mm (2.2 in)	105 years	73 of 100 (Major)
20 August 2007	Shawnee, US	daily rain	117.6 mm (4.6 in)	94.5 mm (3.7 in)	76 years	73 of 100 (Major)
20 August 2007	Katoomba (Murri St), AU	daily rain	92.2 mm (3.6 in)	57.9 mm (2.3 in)	114 years	72 of 100 (Major)
20 August 2007	The Channon, AU	daily rain	50.0 mm (2.0 in)	42.4 mm (1.7 in)	66 years	68 of 100 (Major)
20 August 2007	Winona, US	daily rain	101.6 mm (4.0 in)	50.3 mm (2.0 in)	68 years	68 of 100 (Major)
20 August 2007	Coloso, PR	daily high min	27.8 C (82.0 F)	3.9 C (7.0 F)	96 years	67 of 100 (Major)
20 August 2007	Forster - Tuncurry R.V.C.P., AU	daily rain	64.6 mm (2.5 in)	43.0 mm (1.7 in)	92 years	66 of 100 (Major)
20 August 2007	Harrington (Oxley Anchorage Ca, AU	daily rain	62.8 mm (2.5 in)	44.5 mm (1.8 in)	92 years	66 of 100 (Major)
20 August 2007	Marrickville Golf Club, AU	daily rain	65.0 mm (2.6 in)	35.8 mm (1.4 in)	96 years	66 of 100 (Major)
20 August 2007	Richmond - Uws Hawkesbury, AU	daily rain	63.6 mm (2.5 in)	43.5 mm (1.7 in)	56 years	66 of 100 (Major)
20 August 2007	Prospect Reservoir, AU	daily rain	60.7 mm (2.4 in)	27.7 mm (1.1 in)	105 years	65 of 100 (Major)
20 August 2007	Diyarbakir, TR	monthly rain	99.1 mm (3.9 in)	98.8 mm (3.9 in)	39 years	65 of 100 (Major)
20 August 2007	Boone, US	monthly rain	150.4 mm (5.9 in)	24.7 mm (1.0 in)	99 years	65 of 100 (Major)
20 August 2007	Springwood Bowling Club, AU	daily rain	81.3 mm (3.2 in)	45.2 mm (1.8 in)	105 years	64 of 100 (Major)
20 August 2007	Albia 3 NNE, US	daily rain	77.0 mm (3.0 in)	53.4 mm (2.1 in)	57 years	64 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

1797 to 2007

Records set or tied on this calendar date in each year from 1797 to 2007. 2007 had 1,955 records.

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

Records on 08-20 in each year
Year	Records
1797	1
1807	1
1809	2
1816	1
1830	1
1832	1
1838	1
1840	1
1842	1
1846	1
1849	1
1850	1
1852	1
1858	3
1863	5
1867	4
1870	3
1871	1
1873	1
1875	2
1877	1
1883	2
1884	2
1885	6
1886	1
1888	1
1889	2
1890	2
1891	2
1892	6
1893	1
1894	1
1895	1
1896	5
1897	6
1898	1
1899	5
1900	7
1901	12
1902	3
1903	7
1904	30
1905	7
1906	26
1907	15
1908	21
1909	69
1910	7
1911	18
1912	25
1913	23
1914	15
1915	14
1916	74
1917	51
1918	69
1919	25
1920	47
1921	23
1922	52
1923	83
1924	132
1925	193
1926	187
1927	338
1928	101
1929	213
1930	318
1931	214
1932	299
1933	324
1934	376
1935	339
1936	543
1937	537
1938	250
1939	448
1940	695
1941	230
1942	429
1943	436
1944	355
1945	398
1946	349
1947	988
1948	403
1949	431
1950	1,341
1951	824
1952	425
1953	441
1954	476
1955	848
1956	678
1957	342
1958	281
1959	764
1960	465
1961	520
1962	684
1963	577
1964	629
1965	470
1966	1,094
1967	657
1968	862
1969	608
1970	414
1971	585
1972	522
1973	490
1974	565
1975	411
1976	894
1977	860
1978	563
1979	1,009
1980	991
1981	856
1982	620
1983	1,465
1984	696
1985	666
1986	819
1987	564
1988	991
1989	603
1990	1,262
1991	804
1992	1,168
1993	759
1994	719
1995	1,113
1996	900
1997	1,214
1998	802
1999	810
2000	989
2001	909
2002	1,208
2003	1,031
2004	1,333
2005	1,112
2006	851
2007	1,955
2008	1,170
2009	1,414
2010	1,028
2011	987
2012	1,086
2013	545
2014	582
2015	1,075
2016	872
2017	324
2018	657
2019	698
2020	1,051
2021	1,028
2022	1,038
2023	1,479
2024	589
2025	1,134
2026	985

Download the Data

Data for records on 2007-08-20: 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	1,276
20 to 40	162
40 to 60	51
60 to 80	18
80 to 100	11
100 to 120	4