Weather Records on 18 August 1958

580 weather records were set or tied worldwide on 18 August 1958. Highest significance: Black Spur, AU.

Key Facts for 18 August 1958

On 18 August 1958, 580 weather records were set or tied at long-record stations worldwide.
172 were record highs and 206 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 8 monthly and 571 daily.
Black Spur set a daily record precipitation of 99.8 mm (3.9 in) on 18 August 1958.
Across 171 earlier years (1797 to 2026) the same calendar date averaged 440 records.

Record Map

580 stations

580 station records on 18 August 1958 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 August 1958: highest significance records shown on the map
Station	Country	Type	Value	Significance
Black Spur	Australia	Record daily precipitation	99.8 mm (3.9 in)	50 of 100 (Notable)
Grand Falls	Canada	Record daily precipitation	49.5 mm (1.9 in)	47 of 100 (Notable)
Woori Yallock	Australia	Record daily precipitation	34.5 mm (1.4 in)	45 of 100 (Notable)
Maatsuyker Island Lighthouse	Australia	Record daily precipitation	36.3 mm (1.4 in)	45 of 100 (Notable)
San Diego de la Union	Mexico	Record daily precipitation	36.8 mm (1.4 in)	42 of 100 (Notable)
Shubuta	United States	Record daily precipitation	61.0 mm (2.4 in)	42 of 100 (Notable)
Barramunga	Australia	Record daily precipitation	33.3 mm (1.3 in)	40 of 100 (Notable)
Nilambur	India	Record daily precipitation	134.6 mm (5.3 in)	40 of 100 (Notable)
Pembroke Eddy Match	Canada	Record low maximum temperature	13.3 C (55.9 F)	39 of 100 (Notable)
Sardarpur	India	Record daily precipitation	111.3 mm (4.4 in)	39 of 100 (Notable)
Angamacutiro	Mexico	Record daily precipitation	48.0 mm (1.9 in)	39 of 100 (Notable)
Snowflake	United States	Record daily precipitation	30.5 mm (1.2 in)	38 of 100 (Notable)
Lake City 2 E	United States	Record daily precipitation	99.1 mm (3.9 in)	38 of 100 (Notable)
Strathbogie	Australia	Record daily precipitation	31.8 mm (1.3 in)	37 of 100 (Notable)
D.Baria	India	Record daily precipitation	121.4 mm (4.8 in)	36 of 100 (Notable)
Greenville	United States	Record low maximum temperature	25.0 C (77.0 F)	36 of 100 (Notable)
Oran-Hopital Militaire	Algeria	Record high maximum temperature	38.0 C (100.4 F)	35 of 100 (Notable)
Walwa	Australia	Record daily precipitation	30.7 mm (1.2 in)	33 of 100 (Routine)
Dublin Phoenix Park	Ireland	Record daily precipitation	35.0 mm (1.4 in)	33 of 100 (Routine)
Dahlonega 4WSW	United States	Record low minimum temperature	13.9 C (57.0 F)	33 of 100 (Routine)
Kendall	United States	Record high minimum temperature	11.7 C (53.1 F)	33 of 100 (Routine)
Carrajung Post Office	Australia	Record daily precipitation	29.7 mm (1.2 in)	32 of 100 (Routine)
Nugent	Australia	Record daily precipitation	26.7 mm (1.1 in)	32 of 100 (Routine)
Ottawa Cda	Canada	Record low maximum temperature	13.9 C (57.0 F)	32 of 100 (Routine)
Irkutsk	Russia	Record low minimum temperature	0.6 C (33.1 F)	32 of 100 (Routine)
Huntsville	Canada	Record low maximum temperature	16.1 C (61.0 F)	31 of 100 (Routine)
Hirekerur	India	Record daily precipitation	35.6 mm (1.4 in)	31 of 100 (Routine)
Jamkhed	India	Record daily precipitation	89.4 mm (3.5 in)	31 of 100 (Routine)
Oneonta	United States	Record low minimum temperature	13.3 C (55.9 F)	31 of 100 (Routine)
Collins	United States	Record daily precipitation	53.8 mm (2.1 in)	31 of 100 (Routine)
Clemson UNIV	United States	Record low minimum temperature	16.1 C (61.0 F)	31 of 100 (Routine)
North Bay	Canada	Record low maximum temperature	15.0 C (59.0 F)	30 of 100 (Routine)
Nagpur (Mayo Hospit	India	Record daily precipitation	93.2 mm (3.7 in)	30 of 100 (Routine)
Morganton	United States	Record low minimum temperature	11.7 C (53.1 F)	30 of 100 (Routine)
Port Stanley	Canada	Record low minimum temperature	6.1 C (43.0 F)	29 of 100 (Routine)
Bic	Canada	Record daily precipitation	41.4 mm (1.6 in)	29 of 100 (Routine)
Obsidian 3 SSE	United States	Record high minimum temperature	15.6 C (60.1 F)	29 of 100 (Routine)
Scott	United States	Record low maximum temperature	25.6 C (78.1 F)	29 of 100 (Routine)
Yazoo City	United States	Record low maximum temperature	27.2 C (81.0 F)	29 of 100 (Routine)
Rogersville 1 NE	United States	Record low minimum temperature	11.7 C (53.1 F)	29 of 100 (Routine)
Port Stanley	Canada	Record low maximum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
Deols Chateauroux Aerodrome de	France	Record daily precipitation	29.3 mm (1.2 in)	28 of 100 (Routine)
Ekaterinburg	Russia	Record high minimum temperature	18.9 C (66.0 F)	28 of 100 (Routine)
Portland	United States	Record daily precipitation	40.4 mm (1.6 in)	28 of 100 (Routine)
Santa Maria	United States	Record high minimum temperature	15.6 C (60.1 F)	28 of 100 (Routine)
Brunswick	United States	Record low minimum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
Montezuma 2 NW	United States	Record daily precipitation	101.6 mm (4.0 in)	28 of 100 (Routine)
McCall	United States	Record high minimum temperature	14.4 C (57.9 F)	28 of 100 (Routine)
Montpelier	United States	Record low minimum temperature	7.2 C (45.0 F)	28 of 100 (Routine)
Bream Creek (Stroud)	Australia	Record daily precipitation	28.2 mm (1.1 in)	27 of 100 (Routine)
Durham	Canada	Record low maximum temperature	17.2 C (63.0 F)	27 of 100 (Routine)
Lucknow	Canada	Record low maximum temperature	17.8 C (64.0 F)	27 of 100 (Routine)
Barud(Warud)	India	Record daily precipitation	53.3 mm (2.1 in)	27 of 100 (Routine)
Bombay (Colaba) Obsy Sr	India	Record daily precipitation	100.6 mm (4.0 in)	27 of 100 (Routine)
Chalisgaon	India	Record daily precipitation	66.0 mm (2.6 in)	27 of 100 (Routine)
Pomona/Fairplex	United States	Record high minimum temperature	18.9 C (66.0 F)	27 of 100 (Routine)
Mount Wellington (the Springs)	Australia	Record daily precipitation	38.4 mm (1.5 in)	26 of 100 (Routine)
Dhandhuka	India	Record daily precipitation	58.4 mm (2.3 in)	26 of 100 (Routine)
Rome	United States	Record low minimum temperature	14.4 C (57.9 F)	26 of 100 (Routine)
Marshall	United States	Record low minimum temperature	11.7 C (53.1 F)	26 of 100 (Routine)

Counts by Type and Timescale

580 records

Records set or tied on 18 August 1958 by type: Highest daily maximum 31, Lowest daily maximum 96, Highest daily minimum 141, Lowest daily minimum 110, Heaviest daily rainfall 202.

Records on 18 August 1958 by type
Record type	Records
Highest daily maximum	31
Lowest daily maximum	96
Highest daily minimum	141
Lowest daily minimum	110
Heaviest daily rainfall	202
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 August 1958 by timescale: all-time 1, monthly 8, daily 571.

How Much Records Were Beaten By

427 broken records

Margins by which the 427 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 79.2. Ties are not counted.

Top 20 by Significance

18 August 1958

Top 20 records on 18 August 1958 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 August 1958	Black Spur, AU	daily rain	99.8 mm (3.9 in)	79.2 mm (3.1 in)	20 years	50 of 100 (Notable)
18 August 1958	Grand Falls, CA	daily rain	49.5 mm (1.9 in)	37.3 mm (1.5 in)	29 years	47 of 100 (Notable)
18 August 1958	Woori Yallock, AU	daily rain	34.5 mm (1.4 in)	25.6 mm (1.0 in)	19 years	45 of 100 (Notable)
18 August 1958	Maatsuyker Island Lighthouse, AU	daily rain	36.3 mm (1.4 in)	18.3 mm (0.7 in)	19 years	45 of 100 (Notable)
18 August 1958	San Diego de la Union, MX	daily rain	36.8 mm (1.4 in)	21.8 mm (0.9 in)	49 years	42 of 100 (Notable)
18 August 1958	Shubuta, US	daily rain	61.0 mm (2.4 in)	41.9 mm (1.6 in)	32 years	42 of 100 (Notable)
18 August 1958	Barramunga, AU	daily rain	33.3 mm (1.3 in)	17.6 mm (0.7 in)	57 years	40 of 100 (Notable)
18 August 1958	Nilambur, IN	daily rain	134.6 mm (5.3 in)	60.4 mm (2.4 in)	32 years	40 of 100 (Notable)
18 August 1958	Pembroke Eddy Match, CA	daily low max	13.3 C (55.9 F)	3.4 C (6.1 F)	75 years	39 of 100 (Notable)
18 August 1958	Sardarpur, IN	daily rain	111.3 mm (4.4 in)	71.9 mm (2.8 in)	29 years	39 of 100 (Notable)
18 August 1958	Angamacutiro, MX	daily rain	48.0 mm (1.9 in)	25.1 mm (1.0 in)	24 years	39 of 100 (Notable)
18 August 1958	Snowflake, US	daily rain	30.5 mm (1.2 in)	18.6 mm (0.7 in)	36 years	38 of 100 (Notable)
18 August 1958	Lake City 2 E, US	daily rain	99.1 mm (3.9 in)	43.2 mm (1.7 in)	13 years	38 of 100 (Notable)
18 August 1958	Strathbogie, AU	daily rain	31.8 mm (1.3 in)	17.6 mm (0.7 in)	52 years	37 of 100 (Notable)
18 August 1958	D.Baria, IN	daily rain	121.4 mm (4.8 in)	67.6 mm (2.7 in)	3 years	36 of 100 (Notable)
18 August 1958	Greenville, US	daily low max	25.0 C (77.0 F)	5.6 C (10.1 F)	39 years	36 of 100 (Notable)
18 August 1958	Oran-Hopital Militaire, DZ	daily high max	38.0 C (100.4 F)	1.6 C (2.9 F)	66 years	35 of 100 (Notable)
18 August 1958	Walwa, AU	daily rain	30.7 mm (1.2 in)	16.2 mm (0.6 in)	19 years	33 of 100 (Routine)
18 August 1958	Dublin Phoenix Park, IE	daily rain	35.0 mm (1.4 in)	10.8 mm (0.4 in)	28 years	33 of 100 (Routine)
18 August 1958	Dahlonega 4WSW, US	daily low min	13.9 C (57.0 F)	1.7 C (3.1 F)	60 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 1958

Records set or tied on this calendar date in each year from 1797 to 1958. 1958 had 580 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 1958-08-18: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	377
10 to 20	32
20 to 30	7
30 to 40	4
40 to 50	3
50 to 60	0
60 to 70	2
70 to 80	2