Weather Records on 18 August 1952

405 weather records were set or tied worldwide on 18 August 1952. Highest significance: Chapra Obsy Sr, IN.

Key Facts for 18 August 1952

On 18 August 1952, 405 weather records were set or tied at long-record stations worldwide.
163 were record highs and 29 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 4 monthly and 399 daily.
Chapra Obsy Sr set a daily record precipitation of 138.9 mm (5.5 in) on 18 August 1952.
Across 171 earlier years (1797 to 2026) the same calendar date averaged 441 records.

Record Map

405 stations

405 station records on 18 August 1952 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 August 1952: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chapra Obsy Sr	India	Record daily precipitation	138.9 mm (5.5 in)	50 of 100 (Notable)
Mount Lindsay	Australia	Record daily precipitation	54.6 mm (2.1 in)	49 of 100 (Notable)
Aligarh	India	Record daily precipitation	123.4 mm (4.9 in)	48 of 100 (Notable)
Khajwa	India	Record daily precipitation	108.5 mm (4.3 in)	48 of 100 (Notable)
Muhammadpur	India	Record daily precipitation	138.4 mm (5.4 in)	47 of 100 (Notable)
Tibri	India	Record daily precipitation	136.1 mm (5.4 in)	44 of 100 (Notable)
Malmesbury	South Africa	Record daily precipitation	26.9 mm (1.1 in)	44 of 100 (Notable)
Khairagarh	India	Record daily precipitation	76.7 mm (3.0 in)	43 of 100 (Notable)
Assobani	India	Record daily precipitation	168.7 mm (6.6 in)	41 of 100 (Notable)
The Towers	South Africa	Record daily precipitation	34.0 mm (1.3 in)	41 of 100 (Notable)
Chhota Kosi	India	Record daily precipitation	87.6 mm (3.4 in)	40 of 100 (Notable)
Tg Jiu	Romania	Record high minimum temperature	24.0 C (75.2 F)	39 of 100 (Notable)
Whiteriver 1 SW	United States	Record daily precipitation	37.1 mm (1.5 in)	38 of 100 (Notable)
Haidargarh	India	Record daily precipitation	89.2 mm (3.5 in)	37 of 100 (Notable)
Kadipur	India	Record daily precipitation	105.4 mm (4.1 in)	37 of 100 (Notable)
Akbarpur	India	Record daily precipitation	72.4 mm (2.9 in)	35 of 100 (Notable)
Poltava	Ukraine	Record high minimum temperature	24.2 C (75.6 F)	35 of 100 (Notable)
Nawabganj	India	Record daily precipitation	80.0 mm (3.1 in)	34 of 100 (Routine)
Soraon	India	Record daily precipitation	130.0 mm (5.1 in)	33 of 100 (Routine)
Kjusjur	Russia	Record daily precipitation	42.3 mm (1.7 in)	33 of 100 (Routine)
Montgomery Wb City	United States	Record high maximum temperature	37.2 C (99.0 F)	33 of 100 (Routine)
Natashquan A	Canada	Record daily precipitation	60.2 mm (2.4 in)	32 of 100 (Routine)
Kessariah	India	Record daily precipitation	117.1 mm (4.6 in)	32 of 100 (Routine)
Zamana	India	Record daily precipitation	116.1 mm (4.6 in)	32 of 100 (Routine)
Asansol Obsy Sr	India	Record daily precipitation	78.0 mm (3.1 in)	32 of 100 (Routine)
Fatehpur Sikri	India	Record daily precipitation	70.9 mm (2.8 in)	31 of 100 (Routine)
Bahraich	India	Record daily precipitation	119.9 mm (4.7 in)	31 of 100 (Routine)
Mazbat(Majbat)	India	Record daily precipitation	96.3 mm (3.8 in)	30 of 100 (Routine)
Eureka Springs 3 WNW	United States	Record daily precipitation	56.4 mm (2.2 in)	30 of 100 (Routine)
Russellville	United States	Record high minimum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Batala	India	Record daily precipitation	86.9 mm (3.4 in)	29 of 100 (Routine)
Srinagar	India	Record daily precipitation	61.0 mm (2.4 in)	29 of 100 (Routine)
Seymour 1 NNW	United States	Record daily precipitation	39.1 mm (1.5 in)	29 of 100 (Routine)
Prescott 2 NNW	United States	Record high minimum temperature	26.7 C (80.1 F)	28 of 100 (Routine)
Charleville Post Office	Australia	Record high minimum temperature	16.0 C (60.8 F)	27 of 100 (Routine)
Arrah Obsy Sr	India	Record daily precipitation	98.0 mm (3.9 in)	27 of 100 (Routine)
Bijawar	India	Record daily precipitation	130.8 mm (5.1 in)	27 of 100 (Routine)
Velikie Luki	Russia	Record high minimum temperature	16.1 C (61.0 F)	27 of 100 (Routine)
Pichhore	India	Record daily precipitation	88.9 mm (3.5 in)	26 of 100 (Routine)
Allahabad Chailk	India	Record daily precipitation	102.9 mm (4.1 in)	26 of 100 (Routine)
Bulandshahr	India	Record daily precipitation	55.9 mm (2.2 in)	26 of 100 (Routine)
Biswan	India	Record daily precipitation	96.5 mm (3.8 in)	26 of 100 (Routine)
San Diego Curupatzeo	Mexico	Record daily precipitation	41.9 mm (1.6 in)	26 of 100 (Routine)
Rafiganj	India	Record daily precipitation	98.0 mm (3.9 in)	25 of 100 (Routine)
Bayana Biana	India	Record daily precipitation	101.6 mm (4.0 in)	25 of 100 (Routine)
Oneonta	United States	Record high maximum temperature	37.2 C (99.0 F)	25 of 100 (Routine)
Patna Obsy	India	Record daily precipitation	114.8 mm (4.5 in)	24 of 100 (Routine)
Bhabua	India	Record daily precipitation	71.9 mm (2.8 in)	24 of 100 (Routine)
Govindgarh	India	Record daily precipitation	73.7 mm (2.9 in)	24 of 100 (Routine)
Portland	United States	Record high minimum temperature	26.1 C (79.0 F)	24 of 100 (Routine)
Boulder	United States	Record low minimum temperature	10.0 C (50.0 F)	24 of 100 (Routine)
Greenville	United States	Record high minimum temperature	27.2 C (81.0 F)	24 of 100 (Routine)
Galena	United States	Record daily precipitation	46.7 mm (1.8 in)	24 of 100 (Routine)
Mt Vernon 3 SW	United States	Record daily precipitation	60.2 mm (2.4 in)	24 of 100 (Routine)
Fruitland	United States	Record high maximum temperature	37.2 C (99.0 F)	24 of 100 (Routine)
Truro Nsac	Canada	Record daily precipitation	33.0 mm (1.3 in)	23 of 100 (Routine)
Hajipur	India	Record daily precipitation	94.0 mm (3.7 in)	23 of 100 (Routine)
Sanehighat	India	Record daily precipitation	76.2 mm (3.0 in)	23 of 100 (Routine)
Lucknow	India	Record daily precipitation	51.1 mm (2.0 in)	23 of 100 (Routine)
De Funiak Springs 1 E	United States	Record high maximum temperature	38.9 C (102.0 F)	23 of 100 (Routine)

Counts by Type and Timescale

405 records

Records set or tied on 18 August 1952 by type: Highest daily maximum 82, Lowest daily maximum 12, Highest daily minimum 81, Lowest daily minimum 17, Heaviest daily rainfall 213.

Records on 18 August 1952 by type
Record type	Records
Highest daily maximum	82
Lowest daily maximum	12
Highest daily minimum	81
Lowest daily minimum	17
Heaviest daily rainfall	213
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 August 1952 by timescale: all-time 2, monthly 4, daily 399.

How Much Records Were Beaten By

321 broken records

Margins by which the 321 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 91.4. Ties are not counted.

Top 20 by Significance

18 August 1952

Top 20 records on 18 August 1952 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 August 1952	Chapra Obsy Sr, IN	daily rain	138.9 mm (5.5 in)	83.5 mm (3.3 in)	31 years	50 of 100 (Notable)
18 August 1952	Mount Lindsay, AU	daily rain	54.6 mm (2.1 in)	44.9 mm (1.8 in)	23 years	49 of 100 (Notable)
18 August 1952	Aligarh, IN	daily rain	123.4 mm (4.9 in)	91.4 mm (3.6 in)	10 years	48 of 100 (Notable)
18 August 1952	Khajwa, IN	daily rain	108.5 mm (4.3 in)	75.0 mm (3.0 in)	45 years	48 of 100 (Notable)
18 August 1952	Muhammadpur, IN	daily rain	138.4 mm (5.4 in)	68.8 mm (2.7 in)	41 years	47 of 100 (Notable)
18 August 1952	Tibri, IN	daily rain	136.1 mm (5.4 in)	72.6 mm (2.9 in)	31 years	44 of 100 (Notable)
18 August 1952	Malmesbury, ZA	daily rain	26.9 mm (1.1 in)	21.3 mm (0.8 in)	22 years	44 of 100 (Notable)
18 August 1952	Khairagarh, IN	daily rain	76.7 mm (3.0 in)	50.5 mm (2.0 in)	51 years	43 of 100 (Notable)
18 August 1952	Assobani, IN	daily rain	168.7 mm (6.6 in)	76.2 mm (3.0 in)	7 years	41 of 100 (Notable)
18 August 1952	The Towers, ZA	daily rain	34.0 mm (1.3 in)	20.3 mm (0.8 in)	24 years	41 of 100 (Notable)
18 August 1952	Chhota Kosi, IN	daily rain	87.6 mm (3.4 in)	66.0 mm (2.6 in)	20 years	40 of 100 (Notable)
18 August 1952	Tg Jiu, RO	all-time high min	24.0 C (75.2 F)	0.8 C (1.4 F)	43 years	39 of 100 (Notable)
18 August 1952	Whiteriver 1 SW, US	daily rain	37.1 mm (1.5 in)	16.8 mm (0.7 in)	42 years	38 of 100 (Notable)
18 August 1952	Haidargarh, IN	daily rain	89.2 mm (3.5 in)	48.6 mm (1.9 in)	30 years	37 of 100 (Notable)
18 August 1952	Kadipur, IN	daily rain	105.4 mm (4.1 in)	66.3 mm (2.6 in)	7 years	37 of 100 (Notable)
18 August 1952	Akbarpur, IN	daily rain	72.4 mm (2.9 in)	36.8 mm (1.4 in)	47 years	35 of 100 (Notable)
18 August 1952	Poltava, UA	monthly high min	24.2 C (75.6 F)	1.7 C (3.1 F)	51 years	35 of 100 (Notable)
18 August 1952	Nawabganj, IN	daily rain	80.0 mm (3.1 in)	40.6 mm (1.6 in)	40 years	34 of 100 (Routine)
18 August 1952	Soraon, IN	daily rain	130.0 mm (5.1 in)	44.9 mm (1.8 in)	36 years	33 of 100 (Routine)
18 August 1952	Kjusjur, RU	all-time rain	42.3 mm (1.7 in)	2.3 mm (0.09 in)	17 years	33 of 100 (Routine)

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 1952

Records set or tied on this calendar date in each year from 1797 to 1952. 1952 had 405 records.

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

Records on 08-18 in each year
Year	Records
1797	2
1805	1
1816	1
1827	1
1829	1
1830	1
1833	1
1841	1
1844	1
1845	3
1846	1
1847	1
1849	1
1851	1
1852	1
1853	1
1854	2
1855	1
1856	1
1861	1
1864	2
1866	1
1868	2
1869	1
1870	2
1872	1
1873	1
1875	3
1876	1
1878	1
1879	2
1883	3
1885	3
1886	3
1887	3
1888	2
1889	1
1890	1
1891	2
1892	6
1893	4
1894	4
1895	1
1898	4
1899	6
1900	2
1901	10
1902	8
1903	6
1904	8
1905	10
1906	40
1907	7
1908	21
1909	24
1910	16
1911	11
1912	21
1913	43
1914	37
1915	60
1916	71
1917	70
1918	53
1919	34
1920	51
1921	39
1922	129
1923	90
1924	225
1925	300
1926	168
1927	269
1928	141
1929	181
1930	150
1931	241
1932	382
1933	431
1934	638
1935	424
1936	766
1937	308
1938	243
1939	381
1940	434
1941	467
1942	333
1943	738
1944	325
1945	400
1946	416
1947	958
1948	315
1949	393
1950	683
1951	355
1952	405
1953	323
1954	622
1955	795
1956	580
1957	380
1958	580
1959	537
1960	599
1961	415
1962	428
1963	760
1964	443
1965	525
1966	573
1967	623
1968	795
1969	530
1970	597
1971	381
1972	493
1973	734
1974	639
1975	844
1976	917
1977	1,112
1978	854
1979	1,309
1980	771
1981	1,386
1982	563
1983	1,420
1984	600
1985	765
1986	861
1987	1,609
1988	1,351
1989	952
1990	920
1991	533
1992	1,497
1993	706
1994	1,027
1995	1,882
1996	760
1997	1,191
1998	923
1999	888
2000	1,183
2001	1,036
2002	1,306
2003	860
2004	1,050
2005	865
2006	842
2007	1,116
2008	1,265
2009	839
2010	1,167
2011	1,239
2012	1,247
2013	752
2014	751
2015	880
2016	704
2017	565
2018	462
2019	615
2020	1,541
2021	1,118
2022	1,237
2023	1,094
2024	696
2025	455
2026	545

Download the Data

Data for records on 1952-08-18: 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	278
20 to 40	24
40 to 60	10
60 to 80	7
80 to 100	2