Weather Records on 18 July 1970

530 weather records were set or tied worldwide on 18 July 1970. Highest significance: Rio Formoso, BR.

Key Facts for 18 July 1970

On 18 July 1970, 530 weather records were set or tied at long-record stations worldwide.
132 were record highs and 223 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 10 monthly and 518 daily.
Rio Formoso set a monthly record daily precipitation of 150.5 mm (5.9 in) on 18 July 1970.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 461 records.

Record Map

530 stations

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

Weather records on 18 July 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rio Formoso	Brazil	Record daily precipitation	150.5 mm (5.9 in)	57 of 100 (Notable)
Cape Bridgewater	Australia	Record daily precipitation	38.1 mm (1.5 in)	53 of 100 (Notable)
Den Haag	South Africa	Record daily precipitation	40.0 mm (1.6 in)	46 of 100 (Notable)
Anzobskij Pereval	Tajikistan	Record daily precipitation	56.1 mm (2.2 in)	45 of 100 (Notable)
Guadalajara (Dge)	Mexico	Record daily precipitation	95.3 mm (3.8 in)	44 of 100 (Notable)
Chokpak	Kazakhstan	Record daily precipitation	29.6 mm (1.2 in)	43 of 100 (Notable)
Novomirgorod	Ukraine	Record daily precipitation	28.1 mm (1.1 in)	42 of 100 (Notable)
Crested Butte	United States	Record daily precipitation	25.9 mm (1.0 in)	42 of 100 (Notable)
South Springfield (South Sprin	Australia	Record daily precipitation	52.1 mm (2.1 in)	40 of 100 (Notable)
Shimla	India	Record daily precipitation	116.1 mm (4.6 in)	40 of 100 (Notable)
Cicero Dantas	Brazil	Record daily precipitation	31.0 mm (1.2 in)	39 of 100 (Notable)
Old Noarlunga Post Office	Australia	Record daily precipitation	26.4 mm (1.0 in)	38 of 100 (Notable)
Bjelasnica	Bosnia and Herzegovina	Record low maximum temperature	-0.2 C (31.6 F)	38 of 100 (Notable)
Gravata	Brazil	Record daily precipitation	60.0 mm (2.4 in)	38 of 100 (Notable)
Hotham Heights	Australia	Record daily precipitation	57.7 mm (2.3 in)	37 of 100 (Notable)
Maatsuyker Island Lighthouse	Australia	Record daily precipitation	26.2 mm (1.0 in)	36 of 100 (Notable)
Ringarooma (Charles Street)	Australia	Record daily precipitation	44.5 mm (1.8 in)	35 of 100 (Notable)
Budapest	Hungary	Record low maximum temperature	14.6 C (58.3 F)	35 of 100 (Notable)
Saentis	Switzerland	Record low maximum temperature	-1.2 C (29.8 F)	35 of 100 (Notable)
Chariton 1 E	United States	Record daily precipitation	103.4 mm (4.1 in)	35 of 100 (Notable)
Tyndall	United States	Record daily precipitation	82.3 mm (3.2 in)	35 of 100 (Notable)
Fichtelberg	Germany	Record low maximum temperature	6.8 C (44.2 F)	33 of 100 (Routine)
Rodeo (Smn)	Mexico	Record low maximum temperature	23.9 C (75.0 F)	33 of 100 (Routine)
Karlstad	Sweden	Record low minimum temperature	5.9 C (42.6 F)	33 of 100 (Routine)
McKinley Park	United States	Record daily precipitation	33.5 mm (1.3 in)	33 of 100 (Routine)
Summit WSO AP	United States	Record daily precipitation	25.4 mm (1.0 in)	33 of 100 (Routine)
Greenwood	United States	Record daily precipitation	59.7 mm (2.4 in)	32 of 100 (Routine)
Caron	Canada	Record low maximum temperature	15.6 C (60.1 F)	31 of 100 (Routine)
Drobeta Turnu Severin	Romania	Record low maximum temperature	18.0 C (64.4 F)	31 of 100 (Routine)
Yates Ctr	United States	Record high minimum temperature	23.9 C (75.0 F)	31 of 100 (Routine)
Breakwater	United States	Record daily precipitation	26.4 mm (1.0 in)	31 of 100 (Routine)
Cap Madeleine	Canada	Record daily precipitation	34.8 mm (1.4 in)	30 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record low minimum temperature	6.0 C (42.8 F)	30 of 100 (Routine)
Zhigalovo	Russia	Record daily precipitation	33.6 mm (1.3 in)	30 of 100 (Routine)
Beloit	United States	Record high minimum temperature	26.7 C (80.1 F)	30 of 100 (Routine)
Tallulah	United States	Record daily precipitation	44.5 mm (1.8 in)	30 of 100 (Routine)
Sarajevo	Bosnia and Herzegovina	Record low maximum temperature	12.2 C (54.0 F)	29 of 100 (Routine)
Freiburg	Germany	Record low minimum temperature	8.5 C (47.3 F)	29 of 100 (Routine)
Maastricht	Netherlands	Record low minimum temperature	7.0 C (44.6 F)	29 of 100 (Routine)
Livingston	United States	Record low minimum temperature	18.9 C (66.0 F)	29 of 100 (Routine)
Brookings 2 NE	United States	Record daily precipitation	28.4 mm (1.1 in)	29 of 100 (Routine)
Ahuacatlan	Mexico	Record daily precipitation	51.8 mm (2.0 in)	28 of 100 (Routine)
Sombrerete (Dge)	Mexico	Record low maximum temperature	17.8 C (64.0 F)	28 of 100 (Routine)
Globe Rs	United States	Record high maximum temperature	42.2 C (108.0 F)	28 of 100 (Routine)
Louisville 1 E	United States	Record daily precipitation	85.1 mm (3.4 in)	28 of 100 (Routine)
Crowley 2 NE	United States	Record daily precipitation	42.7 mm (1.7 in)	28 of 100 (Routine)
Springer	United States	Record high maximum temperature	37.8 C (100.0 F)	28 of 100 (Routine)
Henderson 2 NNW	United States	Record low minimum temperature	12.8 C (55.0 F)	28 of 100 (Routine)
Cuero	United States	Record low minimum temperature	20.0 C (68.0 F)	28 of 100 (Routine)
Cressy Research Station (Main	Australia	Record daily precipitation	25.1 mm (1.0 in)	27 of 100 (Routine)
Windermere (Acacia House)	Australia	Record daily precipitation	32.5 mm (1.3 in)	27 of 100 (Routine)
Zugspitze	Germany	Record low minimum temperature	-7.2 C (19.0 F)	27 of 100 (Routine)
Chalisgaon	India	Record daily precipitation	38.0 mm (1.5 in)	27 of 100 (Routine)
Kallatty	India	Record daily precipitation	40.0 mm (1.6 in)	27 of 100 (Routine)
Calarasi	Romania	Record low maximum temperature	21.1 C (70.0 F)	27 of 100 (Routine)
Ash Fork 6 N	United States	Record high minimum temperature	20.6 C (69.1 F)	27 of 100 (Routine)
Mesa	United States	Record high minimum temperature	27.2 C (81.0 F)	27 of 100 (Routine)
Sacaton	United States	Record high minimum temperature	30.6 C (87.1 F)	27 of 100 (Routine)
Franklin Sewage Plt	United States	Record low minimum temperature	12.8 C (55.0 F)	27 of 100 (Routine)
McLaren Vale	Australia	Record daily precipitation	29.5 mm (1.2 in)	26 of 100 (Routine)

Counts by Type and Timescale

530 records

Records set or tied on 18 July 1970 by type: Highest daily maximum 59, Lowest daily maximum 115, Highest daily minimum 73, Lowest daily minimum 108, Heaviest daily rainfall 175.

Records on 18 July 1970 by type
Record type	Records
Highest daily maximum	59
Lowest daily maximum	115
Highest daily minimum	73
Lowest daily minimum	108
Heaviest daily rainfall	175
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 July 1970 by timescale: all-time 2, monthly 10, daily 518.

How Much Records Were Beaten By

426 broken records

Margins by which the 426 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 54.2. Ties are not counted.

Top 20 by Significance

18 July 1970

Top 20 records on 18 July 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 1970	Rio Formoso, BR	monthly rain	150.5 mm (5.9 in)	45.1 mm (1.8 in)	34 years	57 of 100 (Notable)
18 July 1970	Cape Bridgewater, AU	daily rain	38.1 mm (1.5 in)	17.3 mm (0.7 in)	59 years	53 of 100 (Notable)
18 July 1970	Den Haag, ZA	monthly rain	40.0 mm (1.6 in)	13.3 mm (0.5 in)	41 years	46 of 100 (Notable)
18 July 1970	Anzobskij Pereval, TJ	all-time rain	56.1 mm (2.2 in)	9.5 mm (0.37 in)	15 years	45 of 100 (Notable)
18 July 1970	Guadalajara (Dge), MX	daily rain	95.3 mm (3.8 in)	54.2 mm (2.1 in)	15 years	44 of 100 (Notable)
18 July 1970	Chokpak, KZ	daily rain	29.6 mm (1.2 in)	27.4 mm (1.1 in)	3 years	43 of 100 (Notable)
18 July 1970	Novomirgorod, UA	daily rain	28.1 mm (1.1 in)	23.2 mm (0.9 in)	29 years	42 of 100 (Notable)
18 July 1970	Crested Butte, US	daily rain	25.9 mm (1.0 in)	16.8 mm (0.7 in)	21 years	42 of 100 (Notable)
18 July 1970	South Springfield (South Sprin, AU	daily rain	52.1 mm (2.1 in)	33.6 mm (1.3 in)	20 years	40 of 100 (Notable)
18 July 1970	Shimla, IN	daily rain	116.1 mm (4.6 in)	25.4 mm (1.0 in)	68 years	40 of 100 (Notable)
18 July 1970	Cicero Dantas, BR	daily rain	31.0 mm (1.2 in)	11.3 mm (0.4 in)	55 years	39 of 100 (Notable)
18 July 1970	Old Noarlunga Post Office, AU	daily rain	26.4 mm (1.0 in)	6.1 mm (0.24 in)	53 years	38 of 100 (Notable)
18 July 1970	Bjelasnica, BA	monthly low max	-0.2 C (31.6 F)	0.2 C (0.4 F)	70 years	38 of 100 (Notable)
18 July 1970	Gravata, BR	monthly rain	60.0 mm (2.4 in)	18.0 mm (0.7 in)	9 years	38 of 100 (Notable)
18 July 1970	Hotham Heights, AU	daily rain	57.7 mm (2.3 in)	24.2 mm (1.0 in)	40 years	37 of 100 (Notable)
18 July 1970	Maatsuyker Island Lighthouse, AU	daily rain	26.2 mm (1.0 in)	9.9 mm (0.39 in)	40 years	36 of 100 (Notable)
18 July 1970	Ringarooma (Charles Street), AU	daily rain	44.5 mm (1.8 in)	18.6 mm (0.7 in)	41 years	35 of 100 (Notable)
18 July 1970	Budapest, HU	daily low max	14.6 C (58.3 F)	4.5 C (8.1 F)	56 years	35 of 100 (Notable)
18 July 1970	Saentis, CH	daily low max	-1.2 C (29.8 F)	0.7 C (1.3 F)	86 years	35 of 100 (Notable)
18 July 1970	Chariton 1 E, US	monthly rain	103.4 mm (4.1 in)	13.2 mm (0.5 in)	35 years	35 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 1970

Records set or tied on this calendar date in each year from 1793 to 1970. 1970 had 530 records.

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

Records on 07-18 in each year
Year	Records
1793	2
1801	1
1845	1
1847	1
1851	1
1858	1
1862	1
1863	2
1865	1
1866	2
1871	2
1872	1
1874	1
1877	1
1878	4
1880	1
1881	2
1883	2
1886	2
1887	2
1888	1
1889	2
1890	4
1891	1
1892	2
1895	1
1896	2
1897	6
1898	2
1899	3
1900	8
1901	5
1902	3
1903	14
1904	7
1905	22
1906	13
1907	12
1908	39
1909	11
1910	33
1911	42
1912	28
1913	21
1914	47
1915	95
1916	235
1917	265
1918	58
1919	38
1920	59
1921	67
1922	138
1923	126
1924	306
1925	217
1926	191
1927	85
1928	108
1929	123
1930	462
1931	382
1932	343
1933	228
1934	502
1935	212
1936	665
1937	334
1938	306
1939	424
1940	352
1941	349
1942	661
1943	277
1944	333
1945	350
1946	334
1947	385
1948	289
1949	521
1950	632
1951	307
1952	597
1953	493
1954	501
1955	423
1956	466
1957	325
1958	475
1959	548
1960	669
1961	280
1962	516
1963	269
1964	523
1965	707
1966	545
1967	735
1968	998
1969	590
1970	530
1971	625
1972	701
1973	976
1974	729
1975	643
1976	1,047
1977	839
1978	881
1979	821
1980	747
1981	624
1982	749
1983	1,071
1984	1,000
1985	582
1986	908
1987	1,845
1988	1,001
1989	1,233
1990	1,053
1991	589
1992	1,135
1993	1,013
1994	720
1995	904
1996	1,157
1997	785
1998	1,169
1999	900
2000	1,214
2001	909
2002	840
2003	1,159
2004	985
2005	1,210
2006	1,285
2007	1,267
2008	593
2009	1,757
2010	878
2011	1,148
2012	1,070
2013	921
2014	1,348
2015	745
2016	609
2017	426
2018	699
2019	548
2020	361
2021	676
2022	1,071
2023	867
2024	581
2025	779
2026	806

Download the Data

Data for records on 1970-07-18: 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	383
10 to 20	32
20 to 30	6
30 to 40	2
40 to 50	2
50 to 60	1