Weather Records on 18 August 1970

597 weather records were set or tied worldwide on 18 August 1970. Highest significance: Kirksville, US.

Key Facts for 18 August 1970

On 18 August 1970, 597 weather records were set or tied at long-record stations worldwide.
148 were record highs and 136 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 7 monthly and 588 daily.
Kirksville set a daily record precipitation of 115.1 mm (4.5 in) on 18 August 1970.
Across 171 earlier years (1797 to 2026) the same calendar date averaged 440 records.

Record Map

597 stations

597 station records on 18 August 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 August 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Kirksville	United States	Record daily precipitation	115.1 mm (4.5 in)	66 of 100 (Major)
Dargo	Australia	Record daily precipitation	105.4 mm (4.1 in)	58 of 100 (Notable)
Lake Leake (Elizabeth River)	Australia	Record daily precipitation	46.7 mm (1.8 in)	57 of 100 (Notable)
Lindenow	Australia	Record daily precipitation	69.9 mm (2.8 in)	54 of 100 (Notable)
Pine Bluff	United States	Record daily precipitation	142.5 mm (5.6 in)	54 of 100 (Notable)
Parola	India	Record daily precipitation	100.0 mm (3.9 in)	53 of 100 (Notable)
Maroondah Weir (Melbourne Wate	Australia	Record daily precipitation	33.5 mm (1.3 in)	52 of 100 (Notable)
Medak	India	Record daily precipitation	132.0 mm (5.2 in)	52 of 100 (Notable)
Parur	India	Record daily precipitation	140.0 mm (5.5 in)	52 of 100 (Notable)
St Joseph 3 N	United States	Record daily precipitation	94.5 mm (3.7 in)	52 of 100 (Notable)
Union City 3 SE	United States	Record daily precipitation	76.7 mm (3.0 in)	52 of 100 (Notable)
Bidar	India	Record daily precipitation	108.4 mm (4.3 in)	51 of 100 (Notable)
Hinnomunjie	Australia	Record daily precipitation	35.1 mm (1.4 in)	50 of 100 (Notable)
Jakora(Jakor)	India	Record daily precipitation	150.0 mm (5.9 in)	50 of 100 (Notable)
Jalna	India	Record daily precipitation	72.2 mm (2.8 in)	50 of 100 (Notable)
Shirala	India	Record daily precipitation	67.0 mm (2.6 in)	50 of 100 (Notable)
Omeo Comparison	Australia	Record daily precipitation	34.8 mm (1.4 in)	49 of 100 (Notable)
State UNIV	United States	Record daily precipitation	65.0 mm (2.6 in)	49 of 100 (Notable)
Bushy Park	Australia	Record daily precipitation	35.6 mm (1.4 in)	48 of 100 (Notable)
Walhalla	Australia	Record daily precipitation	42.2 mm (1.7 in)	48 of 100 (Notable)
Lewis Hill (St Pauls River)	Australia	Record daily precipitation	42.9 mm (1.7 in)	48 of 100 (Notable)
Sanklespur	India	Record daily precipitation	133.3 mm (5.2 in)	47 of 100 (Notable)
Menzelinsk	Russia	Record daily precipitation	48.7 mm (1.9 in)	47 of 100 (Notable)
Aberfeldy	Australia	Record daily precipitation	43.9 mm (1.7 in)	46 of 100 (Notable)
Erica	Australia	Record daily precipitation	44.7 mm (1.8 in)	46 of 100 (Notable)
Edina	United States	Record daily precipitation	92.7 mm (3.6 in)	46 of 100 (Notable)
Akalkot	India	Record daily precipitation	90.0 mm (3.5 in)	45 of 100 (Notable)
Borlam	India	Record daily precipitation	243.8 mm (9.6 in)	44 of 100 (Notable)
Chintakunta	India	Record daily precipitation	130.8 mm (5.1 in)	44 of 100 (Notable)
Iron Mtn	United States	Record daily precipitation	31.8 mm (1.3 in)	44 of 100 (Notable)
Blackwarry	Australia	Record daily precipitation	43.2 mm (1.7 in)	43 of 100 (Notable)
Coranderrk Badger Weir	Australia	Record daily precipitation	36.3 mm (1.4 in)	43 of 100 (Notable)
Ormley	Australia	Record daily precipitation	31.8 mm (1.3 in)	43 of 100 (Notable)
Manchappa	India	Record daily precipitation	152.4 mm (6.0 in)	43 of 100 (Notable)
Tongio (Brooklands)	Australia	Record daily precipitation	36.3 mm (1.4 in)	42 of 100 (Notable)
Waterdale	United States	Record high minimum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Keokuk L&D 19	United States	Record daily precipitation	51.1 mm (2.0 in)	42 of 100 (Notable)
Bethany	United States	Record daily precipitation	80.0 mm (3.1 in)	42 of 100 (Notable)
Stonehouse	Australia	Record daily precipitation	36.1 mm (1.4 in)	41 of 100 (Notable)
Simmesport	United States	Record daily precipitation	74.7 mm (2.9 in)	41 of 100 (Notable)
Gunlock Ph	United States	Record daily precipitation	33.5 mm (1.3 in)	41 of 100 (Notable)
Benambra (Evandale)	Australia	Record daily precipitation	32.0 mm (1.3 in)	40 of 100 (Notable)
Uran	India	Record daily precipitation	185.0 mm (7.3 in)	40 of 100 (Notable)
Colinet	Canada	Record daily precipitation	79.0 mm (3.1 in)	39 of 100 (Notable)
Kamareddy	India	Record daily precipitation	71.4 mm (2.8 in)	39 of 100 (Notable)
Kenora A	Canada	Record daily precipitation	54.4 mm (2.1 in)	38 of 100 (Notable)
Avoca (Railway House)	Australia	Record daily precipitation	25.7 mm (1.0 in)	37 of 100 (Notable)
Mathinna (Fingal Road)	Australia	Record daily precipitation	38.9 mm (1.5 in)	37 of 100 (Notable)
Koppa(Balgadi)	India	Record daily precipitation	154.9 mm (6.1 in)	37 of 100 (Notable)
Bindi	Australia	Record daily precipitation	27.2 mm (1.1 in)	36 of 100 (Notable)
Swifts Creek	Australia	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Milan	United States	Record daily precipitation	99.1 mm (3.9 in)	36 of 100 (Notable)
Berlin-Dahlem	Germany	Record low minimum temperature	7.3 C (45.1 F)	35 of 100 (Notable)
Weissenburg	Germany	Record low minimum temperature	4.4 C (39.9 F)	35 of 100 (Notable)
Armoor(Armur)	India	Record daily precipitation	211.6 mm (8.3 in)	35 of 100 (Notable)
Islampur	India	Record daily precipitation	25.0 mm (1.0 in)	35 of 100 (Notable)
Warburton	Australia	Record daily precipitation	35.6 mm (1.4 in)	34 of 100 (Routine)
Elizabeth	United States	Record daily precipitation	63.0 mm (2.5 in)	34 of 100 (Routine)
Bigga (Woolbrook)	Australia	Record daily precipitation	27.9 mm (1.1 in)	33 of 100 (Routine)
Tenali	India	Record daily precipitation	66.0 mm (2.6 in)	33 of 100 (Routine)

Counts by Type and Timescale

597 records

Records set or tied on 18 August 1970 by type: Highest daily maximum 48, Lowest daily maximum 50, Highest daily minimum 100, Lowest daily minimum 86, Heaviest daily rainfall 313.

Records on 18 August 1970 by type
Record type	Records
Highest daily maximum	48
Lowest daily maximum	50
Highest daily minimum	100
Lowest daily minimum	86
Heaviest daily rainfall	313
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 August 1970 by timescale: all-time 2, monthly 7, daily 588.

How Much Records Were Beaten By

490 broken records

Margins by which the 490 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 108.0. Ties are not counted.

Top 20 by Significance

18 August 1970

Top 20 records on 18 August 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 August 1970	Kirksville, US	daily rain	115.1 mm (4.5 in)	82.1 mm (3.2 in)	64 years	66 of 100 (Major)
18 August 1970	Dargo, AU	monthly rain	105.4 mm (4.1 in)	47.5 mm (1.9 in)	18 years	58 of 100 (Notable)
18 August 1970	Lake Leake (Elizabeth River), AU	daily rain	46.7 mm (1.8 in)	26.4 mm (1.0 in)	49 years	57 of 100 (Notable)
18 August 1970	Lindenow, AU	daily rain	69.9 mm (2.8 in)	59.2 mm (2.3 in)	25 years	54 of 100 (Notable)
18 August 1970	Pine Bluff, US	daily rain	142.5 mm (5.6 in)	108.0 mm (4.3 in)	20 years	54 of 100 (Notable)
18 August 1970	Parola, IN	daily rain	100.0 mm (3.9 in)	68.2 mm (2.7 in)	23 years	53 of 100 (Notable)
18 August 1970	Maroondah Weir (Melbourne Wate, AU	daily rain	33.5 mm (1.3 in)	18.3 mm (0.7 in)	67 years	52 of 100 (Notable)
18 August 1970	Medak, IN	daily rain	132.0 mm (5.2 in)	76.9 mm (3.0 in)	32 years	52 of 100 (Notable)
18 August 1970	Parur, IN	daily rain	140.0 mm (5.5 in)	62.5 mm (2.5 in)	44 years	52 of 100 (Notable)
18 August 1970	St Joseph 3 N, US	daily rain	94.5 mm (3.7 in)	78.2 mm (3.1 in)	19 years	52 of 100 (Notable)
18 August 1970	Union City 3 SE, US	daily rain	76.7 mm (3.0 in)	55.9 mm (2.2 in)	44 years	52 of 100 (Notable)
18 August 1970	Bidar, IN	daily rain	108.4 mm (4.3 in)	69.0 mm (2.7 in)	15 years	51 of 100 (Notable)
18 August 1970	Hinnomunjie, AU	daily rain	35.1 mm (1.4 in)	26.7 mm (1.1 in)	8 years	50 of 100 (Notable)
18 August 1970	Jakora(Jakor), IN	daily rain	150.0 mm (5.9 in)	102.5 mm (4.0 in)	24 years	50 of 100 (Notable)
18 August 1970	Jalna, IN	daily rain	72.2 mm (2.8 in)	51.2 mm (2.0 in)	12 years	50 of 100 (Notable)
18 August 1970	Shirala, IN	daily rain	67.0 mm (2.6 in)	27.6 mm (1.1 in)	64 years	50 of 100 (Notable)
18 August 1970	Omeo Comparison, AU	daily rain	34.8 mm (1.4 in)	14.7 mm (0.6 in)	44 years	49 of 100 (Notable)
18 August 1970	State UNIV, US	daily rain	65.0 mm (2.6 in)	29.4 mm (1.2 in)	71 years	49 of 100 (Notable)
18 August 1970	Bushy Park, AU	daily rain	35.6 mm (1.4 in)	26.5 mm (1.0 in)	8 years	48 of 100 (Notable)
18 August 1970	Walhalla, AU	daily rain	42.2 mm (1.7 in)	16.8 mm (0.7 in)	72 years	48 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 1970

Records set or tied on this calendar date in each year from 1797 to 1970. 1970 had 597 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 1970-08-18: 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 20	428
20 to 40	37
40 to 60	12
60 to 80	7
80 to 100	4
100 to 120	2