Weather Records on 1 August 1951

420 weather records were set or tied worldwide on 1 August 1951. Highest significance: Parramatta, AU.

Key Facts for 1 August 1951

On 1 August 1951, 420 weather records were set or tied at long-record stations worldwide.
130 were record highs and 31 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 11 monthly and 408 daily.
Parramatta set a daily record precipitation of 60.7 mm (2.4 in) on 1 August 1951.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 441 records.

Record Map

420 stations

420 station records on 1 August 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 August 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Parramatta	Australia	Record daily precipitation	60.7 mm (2.4 in)	77 of 100 (Major)
Knysna (Tnk)	South Africa	Record daily precipitation	189.2 mm (7.4 in)	75 of 100 (Major)
Sydney (Observatory Hill)	Australia	Record daily precipitation	105.7 mm (4.2 in)	63 of 100 (Major)
Chatswood Water Supply	Australia	Record daily precipitation	82.6 mm (3.3 in)	59 of 100 (Notable)
Mosman (Bapaume Road)	Australia	Record daily precipitation	95.3 mm (3.8 in)	59 of 100 (Notable)
Epping Chester Street	Australia	Record daily precipitation	69.1 mm (2.7 in)	58 of 100 (Notable)
Beecroft	Australia	Record daily precipitation	64.3 mm (2.5 in)	56 of 100 (Notable)
Ryde Pumping Station	Australia	Record daily precipitation	66.0 mm (2.6 in)	55 of 100 (Notable)
Bad Lauchstadt	Germany	Record daily precipitation	47.5 mm (1.9 in)	55 of 100 (Notable)
Riverview Observatory	Australia	Record daily precipitation	98.6 mm (3.9 in)	54 of 100 (Notable)
Manly Town Hall	Australia	Record daily precipitation	83.8 mm (3.3 in)	53 of 100 (Notable)
Khairee	India	Record daily precipitation	189.2 mm (7.4 in)	52 of 100 (Notable)
Asola	India	Record daily precipitation	203.2 mm (8.0 in)	49 of 100 (Notable)
Pennant Hills (Yarrara Road)	Australia	Record daily precipitation	54.6 mm (2.1 in)	48 of 100 (Notable)
Cockle Creek (Pasminco Metals)	Australia	Record daily precipitation	59.2 mm (2.3 in)	47 of 100 (Notable)
Ashfield Bowling Club	Australia	Record daily precipitation	78.7 mm (3.1 in)	47 of 100 (Notable)
Ainsworth	United States	Record daily precipitation	50.3 mm (2.0 in)	47 of 100 (Notable)
Centennial Park	Australia	Record daily precipitation	75.2 mm (3.0 in)	46 of 100 (Notable)
Bamberg	Germany	Record daily precipitation	31.7 mm (1.2 in)	45 of 100 (Notable)
Gadhchiroli	India	Record daily precipitation	212.6 mm (8.4 in)	45 of 100 (Notable)
Watsons Bay (Vaucluse)	Australia	Record daily precipitation	87.1 mm (3.4 in)	44 of 100 (Notable)
Prospect Reservoir	Australia	Record daily precipitation	42.4 mm (1.7 in)	44 of 100 (Notable)
Ghorajheri	India	Record daily precipitation	213.1 mm (8.4 in)	44 of 100 (Notable)
Armidale (Radio Station 2Ad)	Australia	Record daily precipitation	38.4 mm (1.5 in)	43 of 100 (Notable)
Glenfield (Macquarie)	Australia	Record daily precipitation	33.5 mm (1.3 in)	43 of 100 (Notable)
Gosford (Gertrude Place)	Australia	Record daily precipitation	66.5 mm (2.6 in)	41 of 100 (Notable)
Gordon Golf Club	Australia	Record daily precipitation	70.4 mm (2.8 in)	41 of 100 (Notable)
Wollstonecraft	Australia	Record daily precipitation	102.1 mm (4.0 in)	40 of 100 (Notable)
Concord Walker Hospital	Australia	Record daily precipitation	63.0 mm (2.5 in)	38 of 100 (Notable)
Jena Sternwarte	Germany	Record daily precipitation	33.7 mm (1.3 in)	38 of 100 (Notable)
Mul	India	Record daily precipitation	187.2 mm (7.4 in)	38 of 100 (Notable)
Moradabad	India	Record daily precipitation	101.6 mm (4.0 in)	36 of 100 (Notable)
Ramornie	Australia	Record daily precipitation	27.7 mm (1.1 in)	35 of 100 (Notable)
Earlwood Bowling Club	Australia	Record daily precipitation	52.8 mm (2.1 in)	35 of 100 (Notable)
Minchinbury	Australia	Record daily precipitation	30.5 mm (1.2 in)	35 of 100 (Notable)
Minto Surrey Street	Australia	Record daily precipitation	31.2 mm (1.2 in)	35 of 100 (Notable)
Barud(Warud)	India	Record daily precipitation	83.3 mm (3.3 in)	35 of 100 (Notable)
Dalmorton Homestead	Australia	Record daily precipitation	31.0 mm (1.2 in)	34 of 100 (Routine)
Bankstown (Condell Park)	Australia	Record daily precipitation	47.0 mm (1.9 in)	34 of 100 (Routine)
Botany No.1 Dam	Australia	Record daily precipitation	61.0 mm (2.4 in)	34 of 100 (Routine)
Brooklyn (Sandbrook Inlet)	Australia	Record daily precipitation	34.5 mm (1.4 in)	34 of 100 (Routine)
Charlottetown Cda	Canada	Record daily precipitation	32.5 mm (1.3 in)	33 of 100 (Routine)
Weimar	Germany	Record daily precipitation	31.0 mm (1.2 in)	33 of 100 (Routine)
Hinganghat	India	Record daily precipitation	100.3 mm (3.9 in)	33 of 100 (Routine)
Risnes I Fjotland	Norway	Record daily precipitation	44.8 mm (1.8 in)	33 of 100 (Routine)
Nymboida (Armidale Road)	Australia	Record daily precipitation	26.9 mm (1.1 in)	32 of 100 (Routine)
Darkes Forest (Kintyre)	Australia	Record daily precipitation	51.3 mm (2.0 in)	32 of 100 (Routine)
Wardha	India	Record daily precipitation	92.5 mm (3.6 in)	32 of 100 (Routine)
Aseral	Norway	Record daily precipitation	58.1 mm (2.3 in)	32 of 100 (Routine)
Lawson (Wilson Street)	Australia	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Wentworth Falls Post Office	Australia	Record daily precipitation	36.8 mm (1.4 in)	31 of 100 (Routine)
Sydney Botanic Gardens	Australia	Record daily precipitation	99.6 mm (3.9 in)	31 of 100 (Routine)
Emu Plains	Australia	Record daily precipitation	27.4 mm (1.1 in)	31 of 100 (Routine)
Witelsbos (Bos)	South Africa	Record daily precipitation	47.0 mm (1.9 in)	31 of 100 (Routine)
Walnut Grove	United States	Record daily precipitation	35.6 mm (1.4 in)	31 of 100 (Routine)
Gosford (Narara Research Stati	Australia	Record daily precipitation	39.4 mm (1.6 in)	30 of 100 (Routine)
Audley National Park Bottom St	Australia	Record daily precipitation	44.5 mm (1.8 in)	30 of 100 (Routine)
Halle	Germany	Record daily precipitation	35.3 mm (1.4 in)	30 of 100 (Routine)
Guyra Post Office	Australia	Record daily precipitation	28.4 mm (1.1 in)	29 of 100 (Routine)
Ebor (Wongwibinda)	Australia	Record daily precipitation	25.7 mm (1.0 in)	29 of 100 (Routine)

Counts by Type and Timescale

420 records

Records set or tied on 1 August 1951 by type: Highest daily maximum 44, Lowest daily maximum 15, Highest daily minimum 86, Lowest daily minimum 16, Heaviest daily rainfall 259.

Records on 1 August 1951 by type
Record type	Records
Highest daily maximum	44
Lowest daily maximum	15
Highest daily minimum	86
Lowest daily minimum	16
Heaviest daily rainfall	259
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 1 August 1951 by timescale: all-time 1, monthly 11, daily 408.

How Much Records Were Beaten By

334 broken records

Margins by which the 334 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 127.0. Ties are not counted.

Top 20 by Significance

1 August 1951

Top 20 records on 1 August 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 August 1951	Parramatta, AU	daily rain	60.7 mm (2.4 in)	46.2 mm (1.8 in)	114 years	77 of 100 (Major)
1 August 1951	Knysna (Tnk), ZA	monthly rain	189.2 mm (7.4 in)	105.4 mm (4.1 in)	62 years	75 of 100 (Major)
1 August 1951	Sydney (Observatory Hill), AU	daily rain	105.7 mm (4.2 in)	77.8 mm (3.1 in)	48 years	63 of 100 (Major)
1 August 1951	Chatswood Water Supply, AU	daily rain	82.6 mm (3.3 in)	56.9 mm (2.2 in)	48 years	59 of 100 (Notable)
1 August 1951	Mosman (Bapaume Road), AU	daily rain	95.3 mm (3.8 in)	61.3 mm (2.4 in)	48 years	59 of 100 (Notable)
1 August 1951	Epping Chester Street, AU	daily rain	69.1 mm (2.7 in)	50.3 mm (2.0 in)	42 years	58 of 100 (Notable)
1 August 1951	Beecroft, AU	daily rain	64.3 mm (2.5 in)	41.2 mm (1.6 in)	42 years	56 of 100 (Notable)
1 August 1951	Ryde Pumping Station, AU	daily rain	66.0 mm (2.6 in)	40.6 mm (1.6 in)	42 years	55 of 100 (Notable)
1 August 1951	Bad Lauchstadt, DE	daily rain	47.5 mm (1.9 in)	23.2 mm (0.9 in)	54 years	55 of 100 (Notable)
1 August 1951	Riverview Observatory, AU	daily rain	98.6 mm (3.9 in)	73.5 mm (2.9 in)	34 years	54 of 100 (Notable)
1 August 1951	Manly Town Hall, AU	daily rain	83.8 mm (3.3 in)	55.4 mm (2.2 in)	34 years	53 of 100 (Notable)
1 August 1951	Khairee, IN	daily rain	189.2 mm (7.4 in)	119.1 mm (4.7 in)	29 years	52 of 100 (Notable)
1 August 1951	Asola, IN	daily rain	203.2 mm (8.0 in)	127.0 mm (5.0 in)	17 years	49 of 100 (Notable)
1 August 1951	Pennant Hills (Yarrara Road), AU	daily rain	54.6 mm (2.1 in)	34.3 mm (1.4 in)	42 years	48 of 100 (Notable)
1 August 1951	Cockle Creek (Pasminco Metals), AU	daily rain	59.2 mm (2.3 in)	35.6 mm (1.4 in)	48 years	47 of 100 (Notable)
1 August 1951	Ashfield Bowling Club, AU	daily rain	78.7 mm (3.1 in)	33.0 mm (1.3 in)	42 years	47 of 100 (Notable)
1 August 1951	Ainsworth, US	daily rain	50.3 mm (2.0 in)	35.1 mm (1.4 in)	44 years	47 of 100 (Notable)
1 August 1951	Centennial Park, AU	daily rain	75.2 mm (3.0 in)	35.8 mm (1.4 in)	48 years	46 of 100 (Notable)
1 August 1951	Bamberg, DE	daily rain	31.7 mm (1.2 in)	17.4 mm (0.7 in)	28 years	45 of 100 (Notable)
1 August 1951	Gadhchiroli, IN	daily rain	212.6 mm (8.4 in)	85.1 mm (3.4 in)	42 years	45 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

1797 to 1951

Records set or tied on this calendar date in each year from 1797 to 1951. 1951 had 420 records.

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

Records on 08-01 in each year
Year	Records
1797	1
1816	2
1829	1
1833	1
1834	2
1836	1
1838	1
1842	1
1851	1
1856	1
1858	3
1859	1
1861	1
1862	1
1863	1
1865	1
1868	1
1869	2
1873	1
1874	1
1875	3
1876	1
1878	1
1879	1
1881	3
1883	1
1886	2
1887	1
1890	1
1891	7
1892	4
1893	3
1894	1
1895	3
1896	4
1897	2
1898	3
1899	1
1900	1
1901	3
1902	5
1903	19
1904	10
1905	12
1906	18
1907	13
1908	18
1909	15
1910	30
1911	46
1912	49
1913	25
1914	17
1915	49
1916	16
1917	108
1918	55
1919	32
1920	101
1921	87
1922	44
1923	203
1924	93
1925	281
1926	252
1927	266
1928	132
1929	161
1930	252
1931	362
1932	408
1933	487
1934	448
1935	547
1936	636
1937	492
1938	523
1939	335
1940	333
1941	341
1942	388
1943	398
1944	410
1945	975
1946	336
1947	401
1948	354
1949	324
1950	552
1951	420
1952	391
1953	565
1954	462
1955	796
1956	441
1957	270
1958	389
1959	352
1960	677
1961	404
1962	602
1963	270
1964	883
1965	669
1966	383
1967	250
1968	625
1969	453
1970	482
1971	1,135
1972	609
1973	766
1974	526
1975	915
1976	886
1977	636
1978	706
1979	580
1980	906
1981	668
1982	742
1983	931
1984	532
1985	987
1986	846
1987	999
1988	880
1989	1,301
1990	927
1991	740
1992	1,024
1993	907
1994	1,217
1995	1,513
1996	1,118
1997	904
1998	1,281
1999	1,707
2000	1,020
2001	1,079
2002	1,249
2003	1,155
2004	740
2005	878
2006	1,655
2007	746
2008	795
2009	932
2010	1,182
2011	1,191
2012	850
2013	542
2014	853
2015	864
2016	499
2017	758
2018	987
2019	479
2020	838
2021	1,009
2022	915
2023	627
2024	879
2025	785
2026	1,085

Download the Data

Data for records on 1951-08-01: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	290
20 to 40	27
40 to 60	9
60 to 80	3
80 to 100	1
100 to 120	3
120 to 140	1