Weather Records on 5 August 1970

468 weather records were set or tied worldwide on 5 August 1970. Highest significance: Ft Madison, US.

Key Facts for 5 August 1970

On 5 August 1970, 468 weather records were set or tied at long-record stations worldwide.
167 were record highs and 121 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 21 monthly and 443 daily.
Ft Madison set a daily record precipitation of 121.4 mm (4.8 in) on 5 August 1970.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 444 records.

Record Map

468 stations

468 station records on 5 August 1970 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 5 August 1970: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ft Madison	United States	Record daily precipitation	121.4 mm (4.8 in)	67 of 100 (Major)
Oskaloosa	United States	Record daily precipitation	136.1 mm (5.4 in)	64 of 100 (Major)
Grinnell 3 SW	United States	Record daily precipitation	175.8 mm (6.9 in)	63 of 100 (Major)
Washington	United States	Record daily precipitation	108.7 mm (4.3 in)	59 of 100 (Notable)
Duncan	United States	Record daily precipitation	36.8 mm (1.4 in)	57 of 100 (Notable)
Keosauqua	United States	Record daily precipitation	81.5 mm (3.2 in)	56 of 100 (Notable)
Mt Pleasant 1 SW	United States	Record daily precipitation	144.8 mm (5.7 in)	56 of 100 (Notable)
Grafton	United States	Record daily precipitation	55.4 mm (2.2 in)	51 of 100 (Notable)
Marshalltown	United States	Record daily precipitation	91.4 mm (3.6 in)	51 of 100 (Notable)
Aachen	Germany	Record daily precipitation	32.4 mm (1.3 in)	50 of 100 (Notable)
Palmyra	United States	Record daily precipitation	104.6 mm (4.1 in)	49 of 100 (Notable)
Steffenville	United States	Record daily precipitation	139.2 mm (5.5 in)	48 of 100 (Notable)
Quincy Mem Brg	United States	Record daily precipitation	81.8 mm (3.2 in)	47 of 100 (Notable)
Huatusco de Chicuellar	Mexico	Record daily precipitation	84.8 mm (3.3 in)	46 of 100 (Notable)
Lampasas	United States	Record daily precipitation	59.4 mm (2.3 in)	46 of 100 (Notable)
Gladstone L/D 18	United States	Record daily precipitation	87.1 mm (3.4 in)	44 of 100 (Notable)
Toledo 3N	United States	Record daily precipitation	94.7 mm (3.7 in)	44 of 100 (Notable)
La Harpe	United States	Record daily precipitation	72.1 mm (2.8 in)	43 of 100 (Notable)
Canton L&D 20	United States	Record daily precipitation	94.7 mm (3.7 in)	43 of 100 (Notable)
Bloomfield	United States	Record daily precipitation	106.7 mm (4.2 in)	42 of 100 (Notable)
Weilerswist-Lommersum	Germany	Record daily precipitation	55.8 mm (2.2 in)	41 of 100 (Notable)
Hollister 1 SW	United States	Record low minimum temperature	3.9 C (39.0 F)	41 of 100 (Notable)
Quincy	United States	Record daily precipitation	103.6 mm (4.1 in)	41 of 100 (Notable)
Albia 3 NNE	United States	Record daily precipitation	62.5 mm (2.5 in)	41 of 100 (Notable)
Louisiana Starks Nurse	United States	Record daily precipitation	100.8 mm (4.0 in)	41 of 100 (Notable)
Marble Hill	United States	Record daily precipitation	60.2 mm (2.4 in)	41 of 100 (Notable)
Van Buren 1 NE	United States	Record daily precipitation	50.8 mm (2.0 in)	40 of 100 (Notable)
Fairfield	United States	Record daily precipitation	118.1 mm (4.6 in)	38 of 100 (Notable)
Osceola	United States	Record daily precipitation	31.8 mm (1.3 in)	38 of 100 (Notable)
Williamsburg 1E	United States	Record daily precipitation	58.4 mm (2.3 in)	38 of 100 (Notable)
Lead	United States	Record daily precipitation	40.6 mm (1.6 in)	38 of 100 (Notable)
Edinburg	United States	Record high minimum temperature	26.1 C (79.0 F)	37 of 100 (Notable)
Fredericktown	United States	Record daily precipitation	59.4 mm (2.3 in)	37 of 100 (Notable)
Beardstown	United States	Record daily precipitation	66.3 mm (2.6 in)	36 of 100 (Notable)
Quincy Dam 21	United States	Record daily precipitation	74.2 mm (2.9 in)	36 of 100 (Notable)
Pella 1S	United States	Record daily precipitation	77.7 mm (3.1 in)	36 of 100 (Notable)
Jackson	United States	Record daily precipitation	49.0 mm (1.9 in)	36 of 100 (Notable)
Keokuk L&D 19	United States	Record daily precipitation	56.4 mm (2.2 in)	35 of 100 (Notable)
Griggsville	United States	Record daily precipitation	69.9 mm (2.8 in)	34 of 100 (Routine)
Jacksonville 2E	United States	Record low maximum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Alpine	United States	Record low maximum temperature	16.7 C (62.1 F)	33 of 100 (Routine)
Eastport	United States	Record low minimum temperature	7.2 C (45.0 F)	33 of 100 (Routine)
Pelahatchie	United States	Record daily precipitation	33.0 mm (1.3 in)	33 of 100 (Routine)
Cape Town Fire Station	South Africa	Record daily precipitation	32.0 mm (1.3 in)	32 of 100 (Routine)
Humboldt 3 W	United States	Record low maximum temperature	21.1 C (70.0 F)	32 of 100 (Routine)
Independence	United States	Record low maximum temperature	18.3 C (64.9 F)	32 of 100 (Routine)
Merrill	United States	Record daily precipitation	48.0 mm (1.9 in)	32 of 100 (Routine)
Bowling Green 1 E	United States	Record daily precipitation	58.4 mm (2.3 in)	32 of 100 (Routine)
Bernalillo	United States	Record high minimum temperature	18.9 C (66.0 F)	32 of 100 (Routine)
Uruapan (Smn)	Mexico	Record daily precipitation	61.0 mm (2.4 in)	31 of 100 (Routine)
Russellville	United States	Record high minimum temperature	25.0 C (77.0 F)	31 of 100 (Routine)
Grinnell 3 SW	United States	Record low maximum temperature	18.3 C (64.9 F)	31 of 100 (Routine)
Edinburg	United States	Record daily precipitation	40.6 mm (1.6 in)	31 of 100 (Routine)
Kahoka	United States	Record daily precipitation	60.2 mm (2.4 in)	31 of 100 (Routine)
Geneseo	United States	Record low maximum temperature	20.6 C (69.1 F)	30 of 100 (Routine)
Havana	United States	Record daily precipitation	41.4 mm (1.6 in)	30 of 100 (Routine)
Madison	United States	Record daily precipitation	71.6 mm (2.8 in)	30 of 100 (Routine)
Newkirk 5NE	United States	Record high minimum temperature	26.7 C (80.1 F)	30 of 100 (Routine)
Corvallis State UNIV	United States	Record low maximum temperature	19.4 C (66.9 F)	30 of 100 (Routine)
Yellowstone Park Mammoth	United States	Record high minimum temperature	16.7 C (62.1 F)	30 of 100 (Routine)

Counts by Type and Timescale

468 records

Records set or tied on 5 August 1970 by type: Highest daily maximum 56, Lowest daily maximum 78, Highest daily minimum 111, Lowest daily minimum 43, Heaviest daily rainfall 180.

Records on 5 August 1970 by type
Record type	Records
Highest daily maximum	56
Lowest daily maximum	78
Highest daily minimum	111
Lowest daily minimum	43
Heaviest daily rainfall	180
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 5 August 1970 by timescale: all-time 4, monthly 21, daily 443.

How Much Records Were Beaten By

357 broken records

Margins by which the 357 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 87.1. Ties are not counted.

Top 20 by Significance

5 August 1970

Top 20 records on 5 August 1970 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
5 August 1970	Ft Madison, US	daily rain	121.4 mm (4.8 in)	87.1 mm (3.4 in)	67 years	67 of 100 (Major)
5 August 1970	Oskaloosa, US	monthly rain	136.1 mm (5.4 in)	50.8 mm (2.0 in)	37 years	64 of 100 (Major)
5 August 1970	Grinnell 3 SW, US	all-time rain	175.8 mm (6.9 in)	35.6 mm (1.4 in)	50 years	63 of 100 (Major)
5 August 1970	Washington, US	daily rain	108.7 mm (4.3 in)	59.2 mm (2.3 in)	68 years	59 of 100 (Notable)
5 August 1970	Duncan, US	daily rain	36.8 mm (1.4 in)	22.8 mm (0.9 in)	68 years	57 of 100 (Notable)
5 August 1970	Keosauqua, US	daily rain	81.5 mm (3.2 in)	48.0 mm (1.9 in)	68 years	56 of 100 (Notable)
5 August 1970	Mt Pleasant 1 SW, US	monthly rain	144.8 mm (5.7 in)	48.0 mm (1.9 in)	29 years	56 of 100 (Notable)
5 August 1970	Grafton, US	daily rain	55.4 mm (2.2 in)	37.6 mm (1.5 in)	68 years	51 of 100 (Notable)
5 August 1970	Marshalltown, US	daily rain	91.4 mm (3.6 in)	56.3 mm (2.2 in)	16 years	51 of 100 (Notable)
5 August 1970	Aachen, DE	daily rain	32.4 mm (1.3 in)	19.4 mm (0.8 in)	40 years	50 of 100 (Notable)
5 August 1970	Palmyra, US	daily rain	104.6 mm (4.1 in)	61.4 mm (2.4 in)	8 years	49 of 100 (Notable)
5 August 1970	Steffenville, US	monthly rain	139.2 mm (5.5 in)	18.5 mm (0.7 in)	70 years	48 of 100 (Notable)
5 August 1970	Quincy Mem Brg, US	daily rain	81.8 mm (3.2 in)	48.8 mm (1.9 in)	32 years	47 of 100 (Notable)
5 August 1970	Huatusco de Chicuellar, MX	daily rain	84.8 mm (3.3 in)	37.8 mm (1.5 in)	60 years	46 of 100 (Notable)
5 August 1970	Lampasas, US	daily rain	59.4 mm (2.3 in)	40.1 mm (1.6 in)	37 years	46 of 100 (Notable)
5 August 1970	Gladstone L/D 18, US	daily rain	87.1 mm (3.4 in)	58.7 mm (2.3 in)	16 years	44 of 100 (Notable)
5 August 1970	Toledo 3N, US	daily rain	94.7 mm (3.7 in)	58.6 mm (2.3 in)	1 year	44 of 100 (Notable)
5 August 1970	La Harpe, US	daily rain	72.1 mm (2.8 in)	27.6 mm (1.1 in)	67 years	43 of 100 (Notable)
5 August 1970	Canton L&D 20, US	daily rain	94.7 mm (3.7 in)	55.3 mm (2.2 in)	8 years	43 of 100 (Notable)
5 August 1970	Bloomfield, US	monthly rain	106.7 mm (4.2 in)	13.5 mm (0.5 in)	59 years	42 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 468 records.

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

Records on 08-05 in each year
Year	Records
1797	1
1806	2
1809	1
1830	3
1839	1
1841	1
1843	1
1846	1
1847	1
1857	1
1859	1
1860	1
1862	2
1864	1
1865	2
1866	1
1867	1
1868	2
1871	2
1874	2
1876	1
1880	1
1881	3
1882	3
1885	1
1886	1
1887	3
1888	2
1890	1
1891	1
1892	1
1893	3
1894	2
1895	3
1896	3
1897	1
1898	3
1899	11
1900	4
1901	3
1902	6
1903	18
1904	13
1905	22
1906	13
1907	14
1908	25
1909	21
1910	20
1911	16
1912	72
1913	18
1914	22
1915	83
1916	67
1917	40
1918	233
1919	40
1920	81
1921	53
1922	107
1923	180
1924	144
1925	84
1926	113
1927	230
1928	201
1929	243
1930	467
1931	426
1932	228
1933	341
1934	587
1935	422
1936	309
1937	288
1938	420
1939	275
1940	290
1941	443
1942	393
1943	436
1944	520
1945	311
1946	374
1947	710
1948	930
1949	375
1950	681
1951	557
1952	498
1953	1,043
1954	543
1955	640
1956	422
1957	518
1958	503
1959	438
1960	297
1961	823
1962	451
1963	311
1964	610
1965	265
1966	384
1967	347
1968	394
1969	708
1970	468
1971	748
1972	799
1973	983
1974	810
1975	692
1976	721
1977	583
1978	948
1979	561
1980	998
1981	754
1982	776
1983	1,090
1984	789
1985	845
1986	778
1987	1,061
1988	914
1989	915
1990	1,265
1991	828
1992	861
1993	1,145
1994	1,944
1995	1,205
1996	1,029
1997	1,144
1998	1,817
1999	834
2000	704
2001	986
2002	1,160
2003	1,340
2004	848
2005	1,026
2006	932
2007	787
2008	738
2009	777
2010	1,626
2011	1,347
2012	869
2013	436
2014	915
2015	520
2016	544
2017	888
2018	528
2019	533
2020	626
2021	641
2022	1,332
2023	1,087
2024	711
2025	775
2026	1,048

Download the Data

Data for records on 1970-08-05: 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	312
20 to 40	27
40 to 60	16
60 to 80	1
80 to 100	1