Weather Records on 20 August 1984

696 weather records were set or tied worldwide on 20 August 1984. Highest significance: Rifle, US.

Key Facts for 20 August 1984

On 20 August 1984, 696 weather records were set or tied at long-record stations worldwide.
202 were record highs and 226 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 19 monthly and 675 daily.
Rifle set a daily record precipitation of 37.1 mm (1.5 in) on 20 August 1984.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 453 records.

Record Map

696 stations

696 station records on 20 August 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rifle	United States	Record daily precipitation	37.1 mm (1.5 in)	62 of 100 (Major)
Marion 7 SE	United States	Record daily precipitation	157.5 mm (6.2 in)	54 of 100 (Notable)
Gumeracha	Australia	Record daily precipitation	41.0 mm (1.6 in)	52 of 100 (Notable)
Mellette 4 W	United States	Record daily precipitation	116.6 mm (4.6 in)	52 of 100 (Notable)
Hilok	Russia	Record daily precipitation	44.1 mm (1.7 in)	50 of 100 (Notable)
Augusta State AP	United States	Record daily precipitation	56.6 mm (2.2 in)	47 of 100 (Notable)
Gustavus	United States	Record daily precipitation	34.0 mm (1.3 in)	45 of 100 (Notable)
Itirapina	Brazil	Record daily precipitation	67.5 mm (2.7 in)	44 of 100 (Notable)
Shoshone	United States	Record daily precipitation	35.6 mm (1.4 in)	42 of 100 (Notable)
Sulphur Springs	United States	Record high minimum temperature	26.7 C (80.1 F)	42 of 100 (Notable)
Caniambo	Australia	Record daily precipitation	30.6 mm (1.2 in)	41 of 100 (Notable)
Kergunyah South	Australia	Record daily precipitation	45.8 mm (1.8 in)	40 of 100 (Notable)
Metapa de Dominguez	Mexico	Record low minimum temperature	15.6 C (60.1 F)	40 of 100 (Notable)
Cabralia Paulista	Brazil	Record daily precipitation	64.0 mm (2.5 in)	39 of 100 (Notable)
Hayfield Pumping Plt	United States	Record daily precipitation	36.1 mm (1.4 in)	39 of 100 (Notable)
Crookston NW Exp STN	United States	Record daily precipitation	31.2 mm (1.2 in)	39 of 100 (Notable)
Waialua 847	United States	Record low minimum temperature	15.6 C (60.1 F)	39 of 100 (Notable)
Nazare	Brazil	Record daily precipitation	48.1 mm (1.9 in)	38 of 100 (Notable)
Little Falls City Rsch	United States	Record low maximum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Le Roy	United States	Record daily precipitation	26.2 mm (1.0 in)	38 of 100 (Notable)
Kaufman 3 SE	United States	Record high maximum temperature	43.9 C (111.0 F)	38 of 100 (Notable)
Sulphur Springs	United States	Record high maximum temperature	42.2 C (108.0 F)	38 of 100 (Notable)
Hanksville	United States	Record low maximum temperature	22.2 C (72.0 F)	38 of 100 (Notable)
Jerome	United States	Record low maximum temperature	21.7 C (71.1 F)	37 of 100 (Notable)
Montrose #2	United States	Record low minimum temperature	5.6 C (42.1 F)	37 of 100 (Notable)
Sterlington	United States	Record daily precipitation	103.6 mm (4.1 in)	37 of 100 (Notable)
Cotonou	Benin	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Sumidouro-Usina Sao Jorge	Brazil	Record daily precipitation	40.6 mm (1.6 in)	36 of 100 (Notable)
Ploumanac'h	France	Record high maximum temperature	29.6 C (85.3 F)	36 of 100 (Notable)
Angelica	United States	Record low maximum temperature	17.8 C (64.0 F)	36 of 100 (Notable)
Callaghan Creek Station	Australia	Record daily precipitation	47.0 mm (1.9 in)	35 of 100 (Notable)
Usina Do Lobo	Brazil	Record daily precipitation	38.8 mm (1.5 in)	35 of 100 (Notable)
Usina Tres Saltos (Cpfl)	Brazil	Record daily precipitation	38.8 mm (1.5 in)	35 of 100 (Notable)
Fernao Dias	Brazil	Record daily precipitation	61.0 mm (2.4 in)	35 of 100 (Notable)
Warren 2 ENE	United States	Record daily precipitation	55.1 mm (2.2 in)	35 of 100 (Notable)
Ness City	United States	Record daily precipitation	33.0 mm (1.3 in)	35 of 100 (Notable)
Oconto	United States	Record daily precipitation	71.6 mm (2.8 in)	35 of 100 (Notable)
Grauna	Brazil	Record daily precipitation	38.7 mm (1.5 in)	34 of 100 (Routine)
Juchitan de Zaragoza	Mexico	Record low minimum temperature	17.8 C (64.0 F)	34 of 100 (Routine)
Asuncion Nochixtlan	Mexico	Record low maximum temperature	21.1 C (70.0 F)	34 of 100 (Routine)
Seligman	United States	Record low maximum temperature	22.2 C (72.0 F)	34 of 100 (Routine)
Rico	United States	Record daily precipitation	31.8 mm (1.3 in)	34 of 100 (Routine)
Steamboat Springs	United States	Record daily precipitation	25.4 mm (1.0 in)	34 of 100 (Routine)
Bastrop	United States	Record daily precipitation	91.4 mm (3.6 in)	34 of 100 (Routine)
Ochoco Rs	United States	Record low minimum temperature	-7.2 C (19.0 F)	34 of 100 (Routine)
Newell	United States	Record daily precipitation	44.7 mm (1.8 in)	34 of 100 (Routine)
Luling	United States	Record high maximum temperature	41.1 C (106.0 F)	34 of 100 (Routine)
Queiroz	Brazil	Record daily precipitation	40.4 mm (1.6 in)	33 of 100 (Routine)
Aksa	Russia	Record daily precipitation	65.5 mm (2.6 in)	33 of 100 (Routine)
Weatherford	United States	Record high maximum temperature	45.6 C (114.1 F)	33 of 100 (Routine)
Duartina	Brazil	Record daily precipitation	63.0 mm (2.5 in)	32 of 100 (Routine)
Chestnut Hill	United States	Record low minimum temperature	4.4 C (39.9 F)	32 of 100 (Routine)
Vernon	United States	Record daily precipitation	32.0 mm (1.3 in)	32 of 100 (Routine)
Indigo	Australia	Record daily precipitation	32.8 mm (1.3 in)	31 of 100 (Routine)
Whitlands (Burder's Lane)	Australia	Record daily precipitation	65.6 mm (2.6 in)	31 of 100 (Routine)
Tuxcueca	Mexico	Record low minimum temperature	11.1 C (52.0 F)	31 of 100 (Routine)
Leesville	United States	Record high minimum temperature	24.4 C (75.9 F)	31 of 100 (Routine)
Hillsboro	United States	Record high minimum temperature	26.7 C (80.1 F)	31 of 100 (Routine)
Bayard	United States	Record high minimum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
Analandia	Brazil	Record daily precipitation	32.8 mm (1.3 in)	30 of 100 (Routine)

Counts by Type and Timescale

696 records

Records set or tied on 20 August 1984 by type: Highest daily maximum 103, Lowest daily maximum 98, Highest daily minimum 99, Lowest daily minimum 128, Heaviest daily rainfall 268.

Records on 20 August 1984 by type
Record type	Records
Highest daily maximum	103
Lowest daily maximum	98
Highest daily minimum	99
Lowest daily minimum	128
Heaviest daily rainfall	268
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 1984 by timescale: all-time 2, monthly 19, daily 675.

How Much Records Were Beaten By

550 broken records

Margins by which the 550 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.2. Ties are not counted.

Top 20 by Significance

20 August 1984

Top 20 records on 20 August 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 1984	Rifle, US	daily rain	37.1 mm (1.5 in)	23.1 mm (0.9 in)	50 years	62 of 100 (Major)
20 August 1984	Marion 7 SE, US	monthly rain	157.5 mm (6.2 in)	76.2 mm (3.0 in)	5 years	54 of 100 (Notable)
20 August 1984	Gumeracha, AU	daily rain	41.0 mm (1.6 in)	15.6 mm (0.6 in)	75 years	52 of 100 (Notable)
20 August 1984	Mellette 4 W, US	monthly rain	116.6 mm (4.6 in)	35.3 mm (1.4 in)	4 years	52 of 100 (Notable)
20 August 1984	Hilok, RU	daily rain	44.1 mm (1.7 in)	31.1 mm (1.2 in)	28 years	50 of 100 (Notable)
20 August 1984	Augusta State AP, US	daily rain	56.6 mm (2.2 in)	42.4 mm (1.7 in)	16 years	47 of 100 (Notable)
20 August 1984	Gustavus, US	daily rain	34.0 mm (1.3 in)	20.3 mm (0.8 in)	45 years	45 of 100 (Notable)
20 August 1984	Itirapina, BR	daily rain	67.5 mm (2.7 in)	56.6 mm (2.2 in)	8 years	44 of 100 (Notable)
20 August 1984	Shoshone, US	monthly rain	35.6 mm (1.4 in)	8.2 mm (0.32 in)	29 years	42 of 100 (Notable)
20 August 1984	Sulphur Springs, US	daily high min	26.7 C (80.1 F)	2.8 C (5.0 F)	75 years	42 of 100 (Notable)
20 August 1984	Caniambo, AU	daily rain	30.6 mm (1.2 in)	6.7 mm (0.26 in)	75 years	41 of 100 (Notable)
20 August 1984	Kergunyah South, AU	daily rain	45.8 mm (1.8 in)	17.9 mm (0.7 in)	39 years	40 of 100 (Notable)
20 August 1984	Metapa de Dominguez, MX	daily low min	15.6 C (60.1 F)	3.3 C (5.9 F)	33 years	40 of 100 (Notable)
20 August 1984	Cabralia Paulista, BR	daily rain	64.0 mm (2.5 in)	34.5 mm (1.4 in)	20 years	39 of 100 (Notable)
20 August 1984	Hayfield Pumping Plt, US	daily rain	36.1 mm (1.4 in)	34.1 mm (1.3 in)	13 years	39 of 100 (Notable)
20 August 1984	Crookston NW Exp STN, US	daily rain	31.2 mm (1.2 in)	7.6 mm (0.30 in)	83 years	39 of 100 (Notable)
20 August 1984	Waialua 847, US	daily low min	15.6 C (60.1 F)	1.6 C (2.9 F)	76 years	39 of 100 (Notable)
20 August 1984	Nazare, BR	daily rain	48.1 mm (1.9 in)	24.7 mm (1.0 in)	36 years	38 of 100 (Notable)
20 August 1984	Little Falls City Rsch, US	daily low max	16.7 C (62.1 F)	1.6 C (2.9 F)	86 years	38 of 100 (Notable)
20 August 1984	Le Roy, US	daily rain	26.2 mm (1.0 in)	9.7 mm (0.38 in)	70 years	38 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 1984

Records set or tied on this calendar date in each year from 1797 to 1984. 1984 had 696 records.

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

Records on 08-20 in each year
Year	Records
1797	1
1807	1
1809	2
1816	1
1830	1
1832	1
1838	1
1840	1
1842	1
1846	1
1849	1
1850	1
1852	1
1858	3
1863	5
1867	4
1870	3
1871	1
1873	1
1875	2
1877	1
1883	2
1884	2
1885	6
1886	1
1888	1
1889	2
1890	2
1891	2
1892	6
1893	1
1894	1
1895	1
1896	5
1897	6
1898	1
1899	5
1900	7
1901	12
1902	3
1903	7
1904	30
1905	7
1906	26
1907	15
1908	21
1909	69
1910	7
1911	18
1912	25
1913	23
1914	15
1915	14
1916	74
1917	51
1918	69
1919	25
1920	47
1921	23
1922	52
1923	83
1924	132
1925	193
1926	187
1927	338
1928	101
1929	213
1930	318
1931	214
1932	299
1933	324
1934	376
1935	339
1936	543
1937	537
1938	250
1939	448
1940	695
1941	230
1942	429
1943	436
1944	355
1945	398
1946	349
1947	988
1948	403
1949	431
1950	1,341
1951	824
1952	425
1953	441
1954	476
1955	848
1956	678
1957	342
1958	281
1959	764
1960	465
1961	520
1962	684
1963	577
1964	629
1965	470
1966	1,094
1967	657
1968	862
1969	608
1970	414
1971	585
1972	522
1973	490
1974	565
1975	411
1976	894
1977	860
1978	563
1979	1,009
1980	991
1981	856
1982	620
1983	1,465
1984	696
1985	666
1986	819
1987	564
1988	991
1989	603
1990	1,262
1991	804
1992	1,168
1993	759
1994	719
1995	1,113
1996	900
1997	1,214
1998	802
1999	810
2000	989
2001	909
2002	1,208
2003	1,031
2004	1,333
2005	1,112
2006	851
2007	1,955
2008	1,170
2009	1,414
2010	1,028
2011	987
2012	1,086
2013	545
2014	582
2015	1,075
2016	872
2017	324
2018	657
2019	698
2020	1,051
2021	1,028
2022	1,038
2023	1,479
2024	589
2025	1,134
2026	985

Download the Data

Data for records on 1984-08-20: 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	471
10 to 20	52
20 to 30	19
30 to 40	5
40 to 50	1
50 to 60	1
60 to 70	0
70 to 80	1