Weather Records on 20 August 1955

848 weather records were set or tied worldwide on 20 August 1955. Highest significance: Spot Pond, US.

Key Facts for 20 August 1955

On 20 August 1955, 848 weather records were set or tied at long-record stations worldwide.
517 were record highs and 52 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 11 monthly and 833 daily.
Spot Pond set an all-time record daily precipitation of 252.0 mm (9.9 in) on 20 August 1955.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 452 records.

Record Map

848 stations

848 station records on 20 August 1955 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 1955: highest significance records shown on the map
Station	Country	Type	Value	Significance
Spot Pond	United States	Record daily precipitation	252.0 mm (9.9 in)	65 of 100 (Major)
Moorleah (Preolenna Road)	Australia	Record daily precipitation	50.8 mm (2.0 in)	55 of 100 (Notable)
Akalkot	India	Record daily precipitation	104.1 mm (4.1 in)	51 of 100 (Notable)
Roomal	India	Record daily precipitation	153.7 mm (6.1 in)	50 of 100 (Notable)
Heathcote Junction	Australia	Record daily precipitation	36.8 mm (1.4 in)	49 of 100 (Notable)
Webster	United States	Record daily precipitation	173.2 mm (6.8 in)	49 of 100 (Notable)
Woodend (Corinella Road)	Australia	Record daily precipitation	38.1 mm (1.5 in)	47 of 100 (Notable)
Experiment	United States	Record daily precipitation	52.3 mm (2.1 in)	47 of 100 (Notable)
Mansfield	United States	Record daily precipitation	124.5 mm (4.9 in)	47 of 100 (Notable)
Middleboro	United States	Record daily precipitation	107.7 mm (4.2 in)	47 of 100 (Notable)
Moorabool Reservoir	Australia	Record daily precipitation	33.5 mm (1.3 in)	45 of 100 (Notable)
San Benito	United States	Record daily precipitation	142.2 mm (5.6 in)	45 of 100 (Notable)
Kilmore Assumption College	Australia	Record daily precipitation	56.9 mm (2.2 in)	44 of 100 (Notable)
Trentham (Post Office)	Australia	Record daily precipitation	45.7 mm (1.8 in)	44 of 100 (Notable)
Macedon Forestry	Australia	Record daily precipitation	33.3 mm (1.3 in)	43 of 100 (Notable)
Eberys	Australia	Record daily precipitation	25.9 mm (1.0 in)	43 of 100 (Notable)
Longlac	Canada	Record daily precipitation	32.0 mm (1.3 in)	41 of 100 (Notable)
Oxford	United Kingdom	Record high maximum temperature	29.4 C (84.9 F)	41 of 100 (Notable)
Hallettsville 2 N	United States	Record daily precipitation	124.5 mm (4.9 in)	41 of 100 (Notable)
Ft Grant	United States	Record daily precipitation	81.3 mm (3.2 in)	40 of 100 (Notable)
Adoni	India	Record daily precipitation	64.5 mm (2.5 in)	39 of 100 (Notable)
Chestnut Hill	United States	Record daily precipitation	165.1 mm (6.5 in)	39 of 100 (Notable)
Greenwood	United States	Record daily precipitation	94.0 mm (3.7 in)	39 of 100 (Notable)
Yemmiganur	India	Record daily precipitation	76.2 mm (3.0 in)	38 of 100 (Notable)
Voravakal(Varaka)	India	Record daily precipitation	55.9 mm (2.2 in)	38 of 100 (Notable)
Daroca	Spain	Record daily precipitation	25.0 mm (1.0 in)	38 of 100 (Notable)
Atmakur	India	Record daily precipitation	75.4 mm (3.0 in)	37 of 100 (Notable)
Mount Pleasant	Australia	Record daily precipitation	32.0 mm (1.3 in)	36 of 100 (Notable)
Dewan	India	Record daily precipitation	136.1 mm (5.4 in)	36 of 100 (Notable)
Ruffy	Australia	Record daily precipitation	37.1 mm (1.5 in)	35 of 100 (Notable)
Pundi	India	Record daily precipitation	76.2 mm (3.0 in)	35 of 100 (Notable)
Gulbarga	India	Record daily precipitation	89.9 mm (3.5 in)	35 of 100 (Notable)
Falfurrias	United States	Record daily precipitation	67.6 mm (2.7 in)	35 of 100 (Notable)
Hamilton	Canada	Record high maximum temperature	36.7 C (98.1 F)	34 of 100 (Routine)
Gudur(Guduru)	India	Record daily precipitation	55.6 mm (2.2 in)	34 of 100 (Routine)
Cape May 2 NW	United States	Record high minimum temperature	25.0 C (77.0 F)	34 of 100 (Routine)
Glenaroua	Australia	Record daily precipitation	40.1 mm (1.6 in)	33 of 100 (Routine)
Mahwa (Mahwar)	India	Record daily precipitation	88.9 mm (3.5 in)	33 of 100 (Routine)
San Diego de la Union	Mexico	Record high minimum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Harnosand	Sweden	Record high minimum temperature	17.0 C (62.6 F)	33 of 100 (Routine)
Lake Cochituate	United States	Record daily precipitation	89.4 mm (3.5 in)	33 of 100 (Routine)
Fayette 4 SW	United States	Record high minimum temperature	25.6 C (78.1 F)	33 of 100 (Routine)
Madison Wb City	United States	Record high minimum temperature	24.4 C (75.9 F)	33 of 100 (Routine)
Yolla (Sea View)	Australia	Record daily precipitation	49.5 mm (1.9 in)	32 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record low minimum temperature	-0.8 C (30.6 F)	32 of 100 (Routine)
Philadelphia City	United States	Record high maximum temperature	36.1 C (97.0 F)	32 of 100 (Routine)
Coomandook (Malinong)	Australia	Record daily precipitation	31.0 mm (1.2 in)	31 of 100 (Routine)
Garrah (Wirringulla)	Australia	Record daily precipitation	26.2 mm (1.0 in)	31 of 100 (Routine)
Elliott Research Station	Australia	Record daily precipitation	42.2 mm (1.7 in)	31 of 100 (Routine)
Somerville 4 NW	United States	Record high maximum temperature	35.6 C (96.1 F)	31 of 100 (Routine)
Coolac (Hopewood)	Australia	Record daily precipitation	26.2 mm (1.0 in)	30 of 100 (Routine)
Woodstock	Canada	Record high minimum temperature	21.1 C (70.0 F)	30 of 100 (Routine)
Vestervig	Denmark	Record high minimum temperature	17.2 C (63.0 F)	30 of 100 (Routine)
Shergarh	India	Record daily precipitation	82.8 mm (3.3 in)	30 of 100 (Routine)
Toledo Blade	United States	Record high minimum temperature	23.9 C (75.0 F)	30 of 100 (Routine)
Milbank 4 NW	United States	Record high maximum temperature	38.9 C (102.0 F)	30 of 100 (Routine)
Beeville 5 NE	United States	Record low maximum temperature	27.2 C (81.0 F)	30 of 100 (Routine)
Mount Buffalo Chalet	Australia	Record daily precipitation	88.6 mm (3.5 in)	29 of 100 (Routine)
Broadford Golf Course	Australia	Record daily precipitation	37.6 mm (1.5 in)	29 of 100 (Routine)
Kipawa Laniel	Canada	Record daily precipitation	37.1 mm (1.5 in)	29 of 100 (Routine)

Counts by Type and Timescale

848 records

Records set or tied on 20 August 1955 by type: Highest daily maximum 304, Lowest daily maximum 33, Highest daily minimum 213, Lowest daily minimum 19, Heaviest daily rainfall 279.

Records on 20 August 1955 by type
Record type	Records
Highest daily maximum	304
Lowest daily maximum	33
Highest daily minimum	213
Lowest daily minimum	19
Heaviest daily rainfall	279
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 1955 by timescale: all-time 4, monthly 11, daily 833.

How Much Records Were Beaten By

652 broken records

Margins by which the 652 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 133.1. Ties are not counted.

Top 20 by Significance

20 August 1955

Top 20 records on 20 August 1955 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 1955	Spot Pond, US	all-time rain	252.0 mm (9.9 in)	64.0 mm (2.5 in)	0 years	65 of 100 (Major)
20 August 1955	Moorleah (Preolenna Road), AU	daily rain	50.8 mm (2.0 in)	34.3 mm (1.4 in)	38 years	55 of 100 (Notable)
20 August 1955	Akalkot, IN	daily rain	104.1 mm (4.1 in)	83.3 mm (3.3 in)	21 years	51 of 100 (Notable)
20 August 1955	Roomal, IN	daily rain	153.7 mm (6.1 in)	100.1 mm (3.9 in)	17 years	50 of 100 (Notable)
20 August 1955	Heathcote Junction, AU	daily rain	36.8 mm (1.4 in)	31.2 mm (1.2 in)	21 years	49 of 100 (Notable)
20 August 1955	Webster, US	all-time rain	173.2 mm (6.8 in)	24.9 mm (1.0 in)	22 years	49 of 100 (Notable)
20 August 1955	Woodend (Corinella Road), AU	daily rain	38.1 mm (1.5 in)	22.4 mm (0.9 in)	16 years	47 of 100 (Notable)
20 August 1955	Experiment, US	daily rain	52.3 mm (2.1 in)	39.6 mm (1.6 in)	52 years	47 of 100 (Notable)
20 August 1955	Mansfield, US	daily rain	124.5 mm (4.9 in)	77.8 mm (3.1 in)	4 years	47 of 100 (Notable)
20 August 1955	Middleboro, US	daily rain	107.7 mm (4.2 in)	67.6 mm (2.7 in)	4 years	47 of 100 (Notable)
20 August 1955	Moorabool Reservoir, AU	daily rain	33.5 mm (1.3 in)	22.1 mm (0.9 in)	16 years	45 of 100 (Notable)
20 August 1955	San Benito, US	daily rain	142.2 mm (5.6 in)	133.1 mm (5.2 in)	8 years	45 of 100 (Notable)
20 August 1955	Kilmore Assumption College, AU	daily rain	56.9 mm (2.2 in)	24.1 mm (0.9 in)	4 years	44 of 100 (Notable)
20 August 1955	Trentham (Post Office), AU	daily rain	45.7 mm (1.8 in)	23.1 mm (0.9 in)	41 years	44 of 100 (Notable)
20 August 1955	Macedon Forestry, AU	daily rain	33.3 mm (1.3 in)	10.2 mm (0.4 in)	68 years	43 of 100 (Notable)
20 August 1955	Eberys, AU	daily rain	25.9 mm (1.0 in)	13.7 mm (0.5 in)	37 years	43 of 100 (Notable)
20 August 1955	Longlac, CA	daily rain	32.0 mm (1.3 in)	22.3 mm (0.9 in)	20 years	41 of 100 (Notable)
20 August 1955	Oxford, GB	daily high max	29.4 C (84.9 F)	0.5 C (0.9 F)	132 years	41 of 100 (Notable)
20 August 1955	Hallettsville 2 N, US	daily rain	124.5 mm (4.9 in)	54.6 mm (2.1 in)	24 years	41 of 100 (Notable)
20 August 1955	Ft Grant, US	all-time rain	81.3 mm (3.2 in)	4.1 mm (0.16 in)	37 years	40 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 1955

Records set or tied on this calendar date in each year from 1797 to 1955. 1955 had 848 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 1955-08-20: 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	607
20 to 40	29
40 to 60	10
60 to 80	3
80 to 100	1
100 to 120	1
120 to 140	1