Weather Records on 12 August 1955

590 weather records were set or tied worldwide on 12 August 1955. Highest significance: Hyannis, US.

Key Facts for 12 August 1955

On 12 August 1955, 590 weather records were set or tied at long-record stations worldwide.
105 were record highs and 72 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 14 monthly and 570 daily.
Hyannis set a daily record precipitation of 129.3 mm (5.1 in) on 12 August 1955.
Across 166 earlier years (1793 to 2026) the same calendar date averaged 447 records.

Record Map

590 stations

590 station records on 12 August 1955 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 August 1955: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hyannis	United States	Record daily precipitation	129.3 mm (5.1 in)	63 of 100 (Major)
Warsaw 2 NW	United States	Record daily precipitation	163.8 mm (6.4 in)	63 of 100 (Major)
Cheyyar	India	Record daily precipitation	115.3 mm (4.5 in)	61 of 100 (Major)
Setauket Strong	United States	Record daily precipitation	192.5 mm (7.6 in)	60 of 100 (Major)
New Bern 3 NW	United States	Record daily precipitation	218.9 mm (8.6 in)	60 of 100 (Major)
Cuddapah	India	Record daily precipitation	94.0 mm (3.7 in)	59 of 100 (Notable)
Newark Liberty Intl AP	United States	Record daily precipitation	87.4 mm (3.4 in)	59 of 100 (Notable)
Wandering Comparison	Australia	Record daily precipitation	45.5 mm (1.8 in)	58 of 100 (Notable)
Rocky Mt	United States	Record daily precipitation	95.3 mm (3.8 in)	57 of 100 (Notable)
New Bedford Coop	United States	Record daily precipitation	103.4 mm (4.1 in)	55 of 100 (Notable)
Freehold-Marlboro	United States	Record daily precipitation	102.6 mm (4.0 in)	55 of 100 (Notable)
Tarboro 1 S	United States	Record daily precipitation	120.7 mm (4.8 in)	55 of 100 (Notable)
W Chester 2 NW	United States	Record daily precipitation	129.5 mm (5.1 in)	55 of 100 (Notable)
Kingston	United States	Record daily precipitation	135.6 mm (5.3 in)	53 of 100 (Notable)
Quantico 1 S	United States	Record daily precipitation	111.5 mm (4.4 in)	53 of 100 (Notable)
Boddington Shire	Australia	Record daily precipitation	45.7 mm (1.8 in)	52 of 100 (Notable)
Cambridge Water Trmt P	United States	Record daily precipitation	137.2 mm (5.4 in)	52 of 100 (Notable)
New Holland	United States	Record daily precipitation	144.8 mm (5.7 in)	52 of 100 (Notable)
Cuballing	Australia	Record daily precipitation	35.6 mm (1.4 in)	51 of 100 (Notable)
Flagstaff AP	United States	Record daily precipitation	25.1 mm (1.0 in)	51 of 100 (Notable)
Solomons	United States	Record daily precipitation	138.7 mm (5.5 in)	50 of 100 (Notable)
Jersey City	United States	Record daily precipitation	137.2 mm (5.4 in)	50 of 100 (Notable)
Long Branch-Oakhurst	United States	Record daily precipitation	114.8 mm (4.5 in)	50 of 100 (Notable)
Martinsburg E W Virginia Rgnl	United States	Record daily precipitation	78.2 mm (3.1 in)	50 of 100 (Notable)
Kamalapuram	India	Record daily precipitation	94.5 mm (3.7 in)	49 of 100 (Notable)
Pocomoke City	United States	Record daily precipitation	105.4 mm (4.1 in)	49 of 100 (Notable)
World Trade Ctr	United States	Record daily precipitation	148.8 mm (5.9 in)	49 of 100 (Notable)
Boyup Brook	Australia	Record daily precipitation	30.5 mm (1.2 in)	48 of 100 (Notable)
Groton	United States	Record daily precipitation	61.0 mm (2.4 in)	48 of 100 (Notable)
Chestertown	United States	Record daily precipitation	126.0 mm (5.0 in)	47 of 100 (Notable)
Greenville	United States	Record daily precipitation	85.6 mm (3.4 in)	47 of 100 (Notable)
Bannister	Australia	Record daily precipitation	37.3 mm (1.5 in)	46 of 100 (Notable)
Oak Park	Australia	Record daily precipitation	27.7 mm (1.1 in)	46 of 100 (Notable)
Sangareddi(Rev)	India	Record daily precipitation	73.7 mm (2.9 in)	46 of 100 (Notable)
Lugansk	Ukraine	Record daily precipitation	47.0 mm (1.9 in)	46 of 100 (Notable)
Edenton	United States	Record daily precipitation	158.8 mm (6.3 in)	46 of 100 (Notable)
Elizabeth City	United States	Record daily precipitation	101.9 mm (4.0 in)	46 of 100 (Notable)
Aberdeen Phillips Fld	United States	Record daily precipitation	116.6 mm (4.6 in)	46 of 100 (Notable)
Salisbury	United States	Record daily precipitation	121.9 mm (4.8 in)	45 of 100 (Notable)
Sabinal	United States	Record daily precipitation	79.0 mm (3.1 in)	45 of 100 (Notable)
Lakeside	Australia	Record daily precipitation	29.2 mm (1.1 in)	44 of 100 (Notable)
Chatham	United States	Record daily precipitation	78.7 mm (3.1 in)	44 of 100 (Notable)
Elizabeth	United States	Record daily precipitation	114.3 mm (4.5 in)	44 of 100 (Notable)
Lilydale	Australia	Record daily precipitation	33.0 mm (1.3 in)	43 of 100 (Notable)
Bridgeville 1 NW	United States	Record daily precipitation	92.7 mm (3.6 in)	43 of 100 (Notable)
Canajoharie	United States	Record daily precipitation	46.0 mm (1.8 in)	43 of 100 (Notable)
Brackettville	United States	Record daily precipitation	61.0 mm (2.4 in)	43 of 100 (Notable)
Langley AFB	United States	Record daily precipitation	116.8 mm (4.6 in)	43 of 100 (Notable)
Rapur	India	Record daily precipitation	81.3 mm (3.2 in)	42 of 100 (Notable)
Scarsdale	United States	Record daily precipitation	102.6 mm (4.0 in)	42 of 100 (Notable)
Somerset	United States	Record daily precipitation	54.9 mm (2.2 in)	42 of 100 (Notable)
Onley 1 S	United States	Record daily precipitation	106.7 mm (4.2 in)	42 of 100 (Notable)
Barooga	Australia	Record daily precipitation	29.0 mm (1.1 in)	41 of 100 (Notable)
Wonnaminta	Australia	Record daily precipitation	28.2 mm (1.1 in)	41 of 100 (Notable)
Jaggiayapet	India	Record daily precipitation	99.3 mm (3.9 in)	40 of 100 (Notable)
Bradenton Exp STN	United States	Record high minimum temperature	27.2 C (81.0 F)	40 of 100 (Notable)
Baltimore Customs House	United States	Record daily precipitation	105.7 mm (4.2 in)	40 of 100 (Notable)
Canning River Weir	Australia	Record daily precipitation	49.5 mm (1.9 in)	39 of 100 (Notable)
Dinninup	Australia	Record daily precipitation	28.2 mm (1.1 in)	39 of 100 (Notable)
Woodcliff Lake	United States	Record daily precipitation	79.8 mm (3.1 in)	39 of 100 (Notable)

Counts by Type and Timescale

590 records

Records set or tied on 12 August 1955 by type: Highest daily maximum 41, Lowest daily maximum 55, Highest daily minimum 64, Lowest daily minimum 17, Heaviest daily rainfall 413.

Records on 12 August 1955 by type
Record type	Records
Highest daily maximum	41
Lowest daily maximum	55
Highest daily minimum	64
Lowest daily minimum	17
Heaviest daily rainfall	413
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 August 1955 by timescale: all-time 6, monthly 14, daily 570.

How Much Records Were Beaten By

530 broken records

Margins by which the 530 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 93.4. Ties are not counted.

Top 20 by Significance

12 August 1955

Top 20 records on 12 August 1955 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 August 1955	Hyannis, US	daily rain	129.3 mm (5.1 in)	84.8 mm (3.3 in)	59 years	63 of 100 (Major)
12 August 1955	Warsaw 2 NW, US	all-time rain	163.8 mm (6.4 in)	47.0 mm (1.9 in)	30 years	63 of 100 (Major)
12 August 1955	Cheyyar, IN	daily rain	115.3 mm (4.5 in)	87.4 mm (3.4 in)	53 years	61 of 100 (Major)
12 August 1955	Setauket Strong, US	all-time rain	192.5 mm (7.6 in)	30.7 mm (1.2 in)	48 years	60 of 100 (Major)
12 August 1955	New Bern 3 NW, US	monthly rain	218.9 mm (8.6 in)	38.6 mm (1.5 in)	76 years	60 of 100 (Major)
12 August 1955	Cuddapah, IN	daily rain	94.0 mm (3.7 in)	64.5 mm (2.5 in)	52 years	59 of 100 (Notable)
12 August 1955	Newark Liberty Intl AP, US	daily rain	87.4 mm (3.4 in)	58.2 mm (2.3 in)	79 years	59 of 100 (Notable)
12 August 1955	Wandering Comparison, AU	daily rain	45.5 mm (1.8 in)	33.8 mm (1.3 in)	41 years	58 of 100 (Notable)
12 August 1955	Rocky Mt, US	daily rain	95.3 mm (3.8 in)	71.2 mm (2.8 in)	41 years	57 of 100 (Notable)
12 August 1955	New Bedford Coop, US	daily rain	103.4 mm (4.1 in)	72.2 mm (2.8 in)	30 years	55 of 100 (Notable)
12 August 1955	Freehold-Marlboro, US	daily rain	102.6 mm (4.0 in)	73.9 mm (2.9 in)	24 years	55 of 100 (Notable)
12 August 1955	Tarboro 1 S, US	daily rain	120.7 mm (4.8 in)	91.0 mm (3.6 in)	24 years	55 of 100 (Notable)
12 August 1955	W Chester 2 NW, US	daily rain	129.5 mm (5.1 in)	74.1 mm (2.9 in)	30 years	55 of 100 (Notable)
12 August 1955	Kingston, US	daily rain	135.6 mm (5.3 in)	93.4 mm (3.7 in)	24 years	53 of 100 (Notable)
12 August 1955	Quantico 1 S, US	daily rain	111.5 mm (4.4 in)	75.4 mm (3.0 in)	26 years	53 of 100 (Notable)
12 August 1955	Boddington Shire, AU	daily rain	45.7 mm (1.8 in)	35.5 mm (1.4 in)	26 years	52 of 100 (Notable)
12 August 1955	Cambridge Water Trmt P, US	daily rain	137.2 mm (5.4 in)	74.2 mm (2.9 in)	30 years	52 of 100 (Notable)
12 August 1955	New Holland, US	monthly rain	144.8 mm (5.7 in)	48.3 mm (1.9 in)	38 years	52 of 100 (Notable)
12 August 1955	Cuballing, AU	daily rain	35.6 mm (1.4 in)	24.9 mm (1.0 in)	25 years	51 of 100 (Notable)
12 August 1955	Flagstaff AP, US	daily rain	25.1 mm (1.0 in)	22.3 mm (0.9 in)	48 years	51 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

1793 to 1955

Records set or tied on this calendar date in each year from 1793 to 1955. 1955 had 590 records.

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

Records on 08-12 in each year
Year	Records
1793	1
1796	1
1811	2
1814	1
1815	1
1825	1
1843	1
1851	1
1854	1
1855	2
1856	1
1861	1
1864	3
1865	1
1867	1
1868	1
1871	2
1872	1
1873	1
1874	2
1875	3
1876	2
1879	1
1881	2
1883	1
1884	1
1885	1
1887	2
1888	2
1889	4
1890	4
1891	4
1892	2
1893	1
1894	1
1895	6
1896	2
1897	4
1898	1
1899	10
1900	1
1901	5
1902	9
1903	14
1904	13
1905	16
1906	8
1907	8
1908	31
1909	42
1910	16
1911	33
1912	40
1913	39
1914	26
1915	46
1916	31
1917	134
1918	37
1919	42
1920	26
1921	174
1922	71
1923	89
1924	267
1925	150
1926	154
1927	145
1928	173
1929	276
1930	501
1931	708
1932	418
1933	271
1934	471
1935	408
1936	591
1937	356
1938	237
1939	282
1940	545
1941	481
1942	257
1943	523
1944	595
1945	295
1946	655
1947	729
1948	384
1949	469
1950	442
1951	357
1952	533
1953	227
1954	969
1955	590
1956	265
1957	384
1958	406
1959	388
1960	707
1961	381
1962	466
1963	559
1964	1,346
1965	977
1966	777
1967	1,135
1968	444
1969	629
1970	422
1971	486
1972	473
1973	442
1974	560
1975	593
1976	495
1977	747
1978	571
1979	1,192
1980	692
1981	665
1982	789
1983	923
1984	665
1985	935
1986	615
1987	935
1988	1,518
1989	827
1990	727
1991	726
1992	1,134
1993	936
1994	861
1995	1,654
1996	1,336
1997	1,363
1998	1,215
1999	1,325
2000	741
2001	855
2002	1,345
2003	1,752
2004	1,872
2005	1,085
2006	874
2007	1,209
2008	970
2009	814
2010	1,907
2011	903
2012	910
2013	427
2014	787
2015	757
2016	1,290
2017	533
2018	571
2019	695
2020	730
2021	980
2022	616
2023	779
2024	659
2025	639
2026	849

Download the Data

Data for records on 1955-08-12: 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).