Weather Records on 15 August 1958

1,092 weather records were set or tied worldwide on 15 August 1958. Highest significance: Mallan (Niemur Valley), AU.

Key Facts for 15 August 1958

On 15 August 1958, 1,092 weather records were set or tied at long-record stations worldwide.
170 were record highs and 38 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 168 monthly and 924 daily.
Mallan (Niemur Valley) set a monthly record daily precipitation of 59.9 mm (2.4 in) on 15 August 1958.
Across 168 earlier years (1793 to 2026) the same calendar date averaged 451 records.

Record Map

1,092 stations

1,092 station records on 15 August 1958 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 August 1958: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mallan (Niemur Valley)	Australia	Record daily precipitation	59.9 mm (2.4 in)	78 of 100 (Major)
Moulamein Post Office	Australia	Record daily precipitation	73.7 mm (2.9 in)	77 of 100 (Major)
Yunta (Winnininnie)	Australia	Record daily precipitation	41.1 mm (1.6 in)	76 of 100 (Major)
Wanganella (Zara)	Australia	Record daily precipitation	38.6 mm (1.5 in)	74 of 100 (Major)
Swan Hill (Murray Downs)	Australia	Record daily precipitation	46.2 mm (1.8 in)	71 of 100 (Major)
Meilman	Australia	Record daily precipitation	50.8 mm (2.0 in)	70 of 100 (Major)
Hallett (Ketchowla)	Australia	Record daily precipitation	37.1 mm (1.5 in)	68 of 100 (Major)
Pooncarie (Tarcoola)	Australia	Record daily precipitation	36.3 mm (1.4 in)	68 of 100 (Major)
Nyah (Yarraby Tank)	Australia	Record daily precipitation	47.8 mm (1.9 in)	68 of 100 (Major)
Arumpo	Australia	Record daily precipitation	35.6 mm (1.4 in)	67 of 100 (Major)
Euston Post Office	Australia	Record daily precipitation	50.0 mm (2.0 in)	67 of 100 (Major)
Balranald (Tillara)	Australia	Record daily precipitation	58.4 mm (2.3 in)	67 of 100 (Major)
Pira Wild Horse Plains	Australia	Record daily precipitation	50.8 mm (2.0 in)	67 of 100 (Major)
Tyntynder Station	Australia	Record daily precipitation	55.9 mm (2.2 in)	67 of 100 (Major)
Lake Charm	Australia	Record daily precipitation	51.3 mm (2.0 in)	67 of 100 (Major)
Swan Hill Post Office	Australia	Record daily precipitation	64.0 mm (2.5 in)	67 of 100 (Major)
Marsden (Merungle)	Australia	Record daily precipitation	36.1 mm (1.4 in)	66 of 100 (Major)
Borrika	Australia	Record daily precipitation	33.0 mm (1.3 in)	65 of 100 (Major)
Oakbank Homestead	Australia	Record daily precipitation	46.2 mm (1.8 in)	64 of 100 (Major)
Cockburn (Burta)	Australia	Record daily precipitation	30.0 mm (1.2 in)	64 of 100 (Major)
Naradhan (Uralba)	Australia	Record daily precipitation	30.7 mm (1.2 in)	64 of 100 (Major)
Tennyson	Australia	Record daily precipitation	38.1 mm (1.5 in)	64 of 100 (Major)
Port Augusta Post Office	Australia	Record daily precipitation	30.7 mm (1.2 in)	63 of 100 (Major)
Manna Hill	Australia	Record daily precipitation	38.1 mm (1.5 in)	63 of 100 (Major)
Wakool (Calimo)	Australia	Record daily precipitation	55.9 mm (2.2 in)	63 of 100 (Major)
Merrigum	Australia	Record daily precipitation	42.2 mm (1.7 in)	63 of 100 (Major)
Bannerton	Australia	Record daily precipitation	57.2 mm (2.3 in)	62 of 100 (Major)
Robinvale (Kyndalyn Park)	Australia	Record daily precipitation	58.4 mm (2.3 in)	62 of 100 (Major)
Robinvale	Australia	Record daily precipitation	51.6 mm (2.0 in)	62 of 100 (Major)
Port Augusta West	Australia	Record daily precipitation	31.8 mm (1.3 in)	61 of 100 (Major)
Wirrappa	Australia	Record daily precipitation	54.4 mm (2.1 in)	61 of 100 (Major)
Kimba (Cortlinye Rocks STN)	Australia	Record daily precipitation	38.1 mm (1.5 in)	61 of 100 (Major)
Terowie	Australia	Record daily precipitation	41.7 mm (1.6 in)	61 of 100 (Major)
Balranald (Rsl)	Australia	Record daily precipitation	53.3 mm (2.1 in)	61 of 100 (Major)
Rainbow (Pella)	Australia	Record daily precipitation	41.7 mm (1.6 in)	61 of 100 (Major)
Wentworth (Woodlands)	Australia	Record daily precipitation	65.0 mm (2.6 in)	60 of 100 (Major)
Wakool Dampier St	Australia	Record daily precipitation	59.9 mm (2.4 in)	60 of 100 (Major)
Cohuna (Goulburn Murray)	Australia	Record daily precipitation	51.3 mm (2.0 in)	60 of 100 (Major)
Tongala (Peppertree Grove)	Australia	Record daily precipitation	45.7 mm (1.8 in)	60 of 100 (Major)
Cranbrook (Cranbrook House)	Australia	Record daily precipitation	86.4 mm (3.4 in)	60 of 100 (Major)
Orroroo (Kylmorn)	Australia	Record daily precipitation	63.0 mm (2.5 in)	59 of 100 (Notable)
Pinnaroo	Australia	Record daily precipitation	28.2 mm (1.1 in)	59 of 100 (Notable)
Pooncarie Mail Agency	Australia	Record daily precipitation	25.9 mm (1.0 in)	59 of 100 (Notable)
Barham 2	Australia	Record daily precipitation	56.4 mm (2.2 in)	59 of 100 (Notable)
Wycheproof (Post Office)	Australia	Record daily precipitation	40.1 mm (1.6 in)	59 of 100 (Notable)
Korong Vale (Post Office)	Australia	Record daily precipitation	41.1 mm (1.6 in)	59 of 100 (Notable)
Murrabit R.W.C.	Australia	Record daily precipitation	53.3 mm (2.1 in)	59 of 100 (Notable)
Serpentine (East Loddon)	Australia	Record daily precipitation	38.9 mm (1.5 in)	59 of 100 (Notable)
Beulah	Australia	Record daily precipitation	30.2 mm (1.2 in)	58 of 100 (Notable)
Birchip (Woodlands)	Australia	Record daily precipitation	27.9 mm (1.1 in)	58 of 100 (Notable)
Hopetoun	Australia	Record daily precipitation	31.5 mm (1.2 in)	58 of 100 (Notable)
Yanga (Warne)	Australia	Record daily precipitation	41.9 mm (1.6 in)	58 of 100 (Notable)
Digras	India	Record daily precipitation	90.4 mm (3.6 in)	58 of 100 (Notable)
Pooncarie (Moorara)	Australia	Record daily precipitation	28.7 mm (1.1 in)	57 of 100 (Notable)
Deniliquin (Wilkinson St)	Australia	Record daily precipitation	50.8 mm (2.0 in)	57 of 100 (Notable)
Kinnabulla	Australia	Record daily precipitation	31.8 mm (1.3 in)	57 of 100 (Notable)
Birchip (Marlbed)	Australia	Record daily precipitation	33.0 mm (1.3 in)	57 of 100 (Notable)
Woomelang	Australia	Record daily precipitation	33.0 mm (1.3 in)	57 of 100 (Notable)
Turriff	Australia	Record daily precipitation	30.5 mm (1.2 in)	57 of 100 (Notable)
Molka (Lowana)	Australia	Record daily precipitation	38.1 mm (1.5 in)	57 of 100 (Notable)

Counts by Type and Timescale

1,092 records

Records set or tied on 15 August 1958 by type: Highest daily maximum 73, Lowest daily maximum 6, Highest daily minimum 97, Lowest daily minimum 32, Heaviest daily rainfall 884.

Records on 15 August 1958 by type
Record type	Records
Highest daily maximum	73
Lowest daily maximum	6
Highest daily minimum	97
Lowest daily minimum	32
Heaviest daily rainfall	884
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 15 August 1958 by timescale: all-time 0, monthly 168, daily 924.

How Much Records Were Beaten By

991 broken records

Margins by which the 991 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 94.2. Ties are not counted.

Top 20 by Significance

15 August 1958

Top 20 records on 15 August 1958 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 August 1958	Mallan (Niemur Valley), AU	monthly rain	59.9 mm (2.4 in)	21.8 mm (0.9 in)	68 years	78 of 100 (Major)
15 August 1958	Moulamein Post Office, AU	monthly rain	73.7 mm (2.9 in)	36.1 mm (1.4 in)	68 years	77 of 100 (Major)
15 August 1958	Yunta (Winnininnie), AU	monthly rain	41.1 mm (1.6 in)	16.2 mm (0.6 in)	67 years	76 of 100 (Major)
15 August 1958	Wanganella (Zara), AU	daily rain	38.6 mm (1.5 in)	25.9 mm (1.0 in)	84 years	74 of 100 (Major)
15 August 1958	Swan Hill (Murray Downs), AU	monthly rain	46.2 mm (1.8 in)	15.7 mm (0.6 in)	75 years	71 of 100 (Major)
15 August 1958	Meilman, AU	monthly rain	50.8 mm (2.0 in)	25.4 mm (1.0 in)	41 years	70 of 100 (Major)
15 August 1958	Hallett (Ketchowla), AU	monthly rain	37.1 mm (1.5 in)	15.3 mm (0.6 in)	37 years	68 of 100 (Major)
15 August 1958	Pooncarie (Tarcoola), AU	daily rain	36.3 mm (1.4 in)	26.6 mm (1.0 in)	68 years	68 of 100 (Major)
15 August 1958	Nyah (Yarraby Tank), AU	monthly rain	47.8 mm (1.9 in)	19.6 mm (0.8 in)	41 years	68 of 100 (Major)
15 August 1958	Arumpo, AU	daily rain	35.6 mm (1.4 in)	29.5 mm (1.2 in)	67 years	67 of 100 (Major)
15 August 1958	Euston Post Office, AU	monthly rain	50.0 mm (2.0 in)	19.0 mm (0.7 in)	31 years	67 of 100 (Major)
15 August 1958	Balranald (Tillara), AU	monthly rain	58.4 mm (2.3 in)	35.3 mm (1.4 in)	41 years	67 of 100 (Major)
15 August 1958	Pira Wild Horse Plains, AU	monthly rain	50.8 mm (2.0 in)	19.3 mm (0.8 in)	41 years	67 of 100 (Major)
15 August 1958	Tyntynder Station, AU	monthly rain	55.9 mm (2.2 in)	22.4 mm (0.9 in)	33 years	67 of 100 (Major)
15 August 1958	Lake Charm, AU	monthly rain	51.3 mm (2.0 in)	24.4 mm (1.0 in)	33 years	67 of 100 (Major)
15 August 1958	Swan Hill Post Office, AU	monthly rain	64.0 mm (2.5 in)	34.3 mm (1.4 in)	33 years	67 of 100 (Major)
15 August 1958	Marsden (Merungle), AU	daily rain	36.1 mm (1.4 in)	28.2 mm (1.1 in)	65 years	66 of 100 (Major)
15 August 1958	Borrika, AU	monthly rain	33.0 mm (1.3 in)	13.2 mm (0.5 in)	37 years	65 of 100 (Major)
15 August 1958	Oakbank Homestead, AU	monthly rain	46.2 mm (1.8 in)	22.8 mm (0.9 in)	31 years	64 of 100 (Major)
15 August 1958	Cockburn (Burta), AU	daily rain	30.0 mm (1.2 in)	21.9 mm (0.9 in)	56 years	64 of 100 (Major)

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 1958

Records set or tied on this calendar date in each year from 1793 to 1958. 1958 had 1,092 records.

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

Records on 08-15 in each year
Year	Records
1793	2
1802	1
1805	1
1812	1
1821	1
1838	2
1839	1
1841	1
1844	1
1845	3
1852	1
1854	1
1856	1
1858	1
1861	3
1867	1
1868	2
1869	1
1873	2
1875	1
1876	2
1877	1
1878	1
1879	1
1880	3
1881	2
1882	2
1883	1
1884	2
1885	3
1886	1
1887	1
1888	3
1890	2
1891	2
1892	3
1893	3
1895	1
1896	9
1897	3
1898	1
1899	2
1900	6
1901	5
1902	10
1903	5
1904	17
1905	26
1906	8
1907	14
1908	15
1909	30
1910	16
1911	26
1912	34
1913	42
1914	11
1915	26
1916	223
1917	32
1918	23
1919	22
1920	59
1921	55
1922	86
1923	116
1924	220
1925	91
1926	115
1927	223
1928	271
1929	586
1930	274
1931	351
1932	368
1933	268
1934	992
1935	414
1936	867
1937	574
1938	681
1939	450
1940	372
1941	289
1942	377
1943	426
1944	610
1945	433
1946	285
1947	559
1948	366
1949	559
1950	317
1951	597
1952	596
1953	449
1954	481
1955	539
1956	390
1957	355
1958	1,092
1959	515
1960	417
1961	704
1962	1,052
1963	972
1964	1,185
1965	535
1966	340
1967	687
1968	1,002
1969	583
1970	382
1971	899
1972	613
1973	499
1974	512
1975	490
1976	1,345
1977	550
1978	841
1979	1,788
1980	745
1981	588
1982	479
1983	955
1984	622
1985	915
1986	1,283
1987	1,098
1988	1,479
1989	495
1990	758
1991	778
1992	1,638
1993	831
1994	1,073
1995	1,298
1996	929
1997	927
1998	861
1999	956
2000	932
2001	1,254
2002	1,307
2003	1,248
2004	1,424
2005	1,067
2006	923
2007	1,317
2008	964
2009	1,038
2010	1,622
2011	770
2012	654
2013	711
2014	583
2015	759
2016	707
2017	532
2018	328
2019	435
2020	1,327
2021	900
2022	692
2023	1,414
2024	729
2025	772
2026	975

Download the Data

Data for records on 1958-08-15: 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	872
20 to 40	105
40 to 60	7
60 to 80	5
80 to 100	2