Weather Records on 20 August 2002

1,208 weather records were set or tied worldwide on 20 August 2002. Highest significance: Elida, US.

Key Facts for 20 August 2002

On 20 August 2002, 1,208 weather records were set or tied at long-record stations worldwide.
650 were record highs and 196 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 23 monthly and 1,183 daily.
Elida set an all-time record daily precipitation of 184.4 mm (7.3 in) on 20 August 2002.
Across 163 earlier years (1797 to 2026) the same calendar date averaged 450 records.

Record Map

1,208 stations

1,208 station records on 20 August 2002 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 August 2002: highest significance records shown on the map
Station	Country	Type	Value	Significance
Elida	United States	Record daily precipitation	184.4 mm (7.3 in)	89 of 100 (Exceptional)
Boise City 2 E	United States	Record daily precipitation	98.3 mm (3.9 in)	67 of 100 (Major)
Lyndhurst Station	Australia	Record daily precipitation	31.0 mm (1.2 in)	63 of 100 (Major)
Portales	United States	Record daily precipitation	111.8 mm (4.4 in)	63 of 100 (Major)
Lucinda Township	Australia	Record daily precipitation	37.0 mm (1.5 in)	57 of 100 (Notable)
Veenhuizen (D)	Netherlands	Record daily precipitation	51.3 mm (2.0 in)	57 of 100 (Notable)
Vroomshoop	Netherlands	Record daily precipitation	55.5 mm (2.2 in)	56 of 100 (Notable)
Ginneken	Netherlands	Record daily precipitation	47.4 mm (1.9 in)	52 of 100 (Notable)
Clovis	United States	Record daily precipitation	71.9 mm (2.8 in)	51 of 100 (Notable)
Chamal Nuevo	Mexico	Record low minimum temperature	12.8 C (55.0 F)	50 of 100 (Notable)
Ugut	Russia	Record daily precipitation	42.8 mm (1.7 in)	50 of 100 (Notable)
Upper Stone Exelby	Australia	Record daily precipitation	30.0 mm (1.2 in)	49 of 100 (Notable)
Camel Creek Station	Australia	Record daily precipitation	25.0 mm (1.0 in)	49 of 100 (Notable)
Saentis	Switzerland	Record daily precipitation	84.3 mm (3.3 in)	49 of 100 (Notable)
Hutchinson 1 N	United States	Record daily precipitation	64.0 mm (2.5 in)	49 of 100 (Notable)
Wuppertal-Buchenhofen	Germany	Record daily precipitation	46.3 mm (1.8 in)	48 of 100 (Notable)
Kelliher	United States	Record low minimum temperature	-1.7 C (28.9 F)	48 of 100 (Notable)
Castlewood	United States	Record daily precipitation	68.1 mm (2.7 in)	48 of 100 (Notable)
Halifax Macrossan St	Australia	Record daily precipitation	27.0 mm (1.1 in)	47 of 100 (Notable)
Dedemsvaart	Netherlands	Record daily precipitation	36.0 mm (1.4 in)	47 of 100 (Notable)
Gendringen	Netherlands	Record daily precipitation	36.6 mm (1.4 in)	47 of 100 (Notable)
Volkel_1	Netherlands	Record daily precipitation	35.0 mm (1.4 in)	47 of 100 (Notable)
Heino_1	Netherlands	Record daily precipitation	45.7 mm (1.8 in)	46 of 100 (Notable)
Utsira Fyr	Norway	Record daily precipitation	57.2 mm (2.3 in)	46 of 100 (Notable)
Bemerside	Australia	Record daily precipitation	38.2 mm (1.5 in)	45 of 100 (Notable)
Chilapa (Dge)	Mexico	Record high minimum temperature	21.7 C (71.1 F)	45 of 100 (Notable)
Slatteroy Fyr	Norway	Record daily precipitation	84.5 mm (3.3 in)	45 of 100 (Notable)
Manassa	United States	Record high minimum temperature	15.0 C (59.0 F)	45 of 100 (Notable)
Alexandria	United States	Record daily precipitation	57.2 mm (2.3 in)	45 of 100 (Notable)
Taos	United States	Record high minimum temperature	14.4 C (57.9 F)	44 of 100 (Notable)
Boquillas Rs	United States	Record daily precipitation	33.3 mm (1.3 in)	44 of 100 (Notable)
Altastenberg	Germany	Record daily precipitation	53.1 mm (2.1 in)	43 of 100 (Notable)
Roermond	Netherlands	Record daily precipitation	56.5 mm (2.2 in)	43 of 100 (Notable)
Rheezerveen	Netherlands	Record daily precipitation	36.5 mm (1.4 in)	43 of 100 (Notable)
Nakanno	Russia	Record daily precipitation	25.2 mm (1.0 in)	43 of 100 (Notable)
Harnosand	Sweden	Record high maximum temperature	27.8 C (82.0 F)	42 of 100 (Notable)
Salisbury	United States	Record high minimum temperature	25.6 C (78.1 F)	42 of 100 (Notable)
Howard	United States	Record daily precipitation	59.7 mm (2.4 in)	42 of 100 (Notable)
Watertown Rgnl AP	United States	Record daily precipitation	109.7 mm (4.3 in)	42 of 100 (Notable)
Essen-Bredeney	Germany	Record daily precipitation	33.0 mm (1.3 in)	41 of 100 (Notable)
Marum	Netherlands	Record daily precipitation	35.6 mm (1.4 in)	41 of 100 (Notable)
Oestersund-Froesoen	Sweden	Record high maximum temperature	26.1 C (79.0 F)	41 of 100 (Notable)
Windsor	United States	Record daily precipitation	50.8 mm (2.0 in)	41 of 100 (Notable)
Tranebjerg	Denmark	Record high maximum temperature	28.2 C (82.8 F)	40 of 100 (Notable)
Echt	Netherlands	Record daily precipitation	41.3 mm (1.6 in)	40 of 100 (Notable)
Herwen	Netherlands	Record daily precipitation	28.6 mm (1.1 in)	40 of 100 (Notable)
Spur	United States	Record high minimum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Ft Duchesne	United States	Record high maximum temperature	37.8 C (100.0 F)	40 of 100 (Notable)
Winston Salem Reynolds AP	United States	Record high minimum temperature	22.8 C (73.0 F)	40 of 100 (Notable)
Montcornet	France	Record daily precipitation	36.4 mm (1.4 in)	39 of 100 (Notable)
Strijen	Netherlands	Record daily precipitation	39.5 mm (1.6 in)	39 of 100 (Notable)
Vilsteren	Netherlands	Record daily precipitation	34.7 mm (1.4 in)	39 of 100 (Notable)
Fruita	United States	Record high maximum temperature	40.0 C (104.0 F)	39 of 100 (Notable)
Carlyle Rsvr	United States	Record daily precipitation	54.6 mm (2.1 in)	39 of 100 (Notable)
Bloomfield 3 SE	United States	Record high minimum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Amarillo	United States	Record daily precipitation	38.9 mm (1.5 in)	39 of 100 (Notable)
Lucky Springs Station	Australia	Record daily precipitation	25.6 mm (1.0 in)	38 of 100 (Notable)
Heibloem (L)	Netherlands	Record daily precipitation	35.4 mm (1.4 in)	38 of 100 (Notable)
Mill	Netherlands	Record daily precipitation	29.5 mm (1.2 in)	38 of 100 (Notable)
Rockville 1 NE	United States	Record high minimum temperature	23.3 C (73.9 F)	38 of 100 (Notable)

Counts by Type and Timescale

1,208 records

Records set or tied on 20 August 2002 by type: Highest daily maximum 283, Lowest daily maximum 101, Highest daily minimum 367, Lowest daily minimum 95, Heaviest daily rainfall 362.

Records on 20 August 2002 by type
Record type	Records
Highest daily maximum	283
Lowest daily maximum	101
Highest daily minimum	367
Lowest daily minimum	95
Heaviest daily rainfall	362
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 August 2002 by timescale: all-time 2, monthly 23, daily 1,183.

How Much Records Were Beaten By

939 broken records

Margins by which the 939 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 60.2. Ties are not counted.

Top 20 by Significance

20 August 2002

Top 20 records on 20 August 2002 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 August 2002	Elida, US	all-time rain	184.4 mm (7.3 in)	44.7 mm (1.8 in)	88 years	89 of 100 (Exceptional)
20 August 2002	Boise City 2 E, US	daily rain	98.3 mm (3.9 in)	60.2 mm (2.4 in)	60 years	67 of 100 (Major)
20 August 2002	Lyndhurst Station, AU	daily rain	31.0 mm (1.2 in)	31.0 mm (1.2 in)	111 years	63 of 100 (Major)
20 August 2002	Portales, US	daily rain	111.8 mm (4.4 in)	56.2 mm (2.2 in)	48 years	63 of 100 (Major)
20 August 2002	Lucinda Township, AU	daily rain	37.0 mm (1.5 in)	23.8 mm (0.9 in)	108 years	57 of 100 (Notable)
20 August 2002	Veenhuizen (D), NL	daily rain	51.3 mm (2.0 in)	23.7 mm (0.9 in)	49 years	57 of 100 (Notable)
20 August 2002	Vroomshoop, NL	daily rain	55.5 mm (2.2 in)	38.3 mm (1.5 in)	39 years	56 of 100 (Notable)
20 August 2002	Ginneken, NL	daily rain	47.4 mm (1.9 in)	22.1 mm (0.9 in)	41 years	52 of 100 (Notable)
20 August 2002	Clovis, US	daily rain	71.9 mm (2.8 in)	47.8 mm (1.9 in)	29 years	51 of 100 (Notable)
20 August 2002	Chamal Nuevo, MX	daily low min	12.8 C (55.0 F)	6.1 C (11.0 F)	25 years	50 of 100 (Notable)
20 August 2002	Ugut, RU	daily rain	42.8 mm (1.7 in)	20.3 mm (0.8 in)	52 years	50 of 100 (Notable)
20 August 2002	Upper Stone Exelby, AU	daily rain	30.0 mm (1.2 in)	16.3 mm (0.6 in)	56 years	49 of 100 (Notable)
20 August 2002	Camel Creek Station, AU	daily rain	25.0 mm (1.0 in)	25.0 mm (1.0 in)	60 years	49 of 100 (Notable)
20 August 2002	Saentis, CH	daily rain	84.3 mm (3.3 in)	35.3 mm (1.4 in)	64 years	49 of 100 (Notable)
20 August 2002	Hutchinson 1 N, US	daily rain	64.0 mm (2.5 in)	47.7 mm (1.9 in)	23 years	49 of 100 (Notable)
20 August 2002	Wuppertal-Buchenhofen, DE	daily rain	46.3 mm (1.8 in)	19.0 mm (0.7 in)	61 years	48 of 100 (Notable)
20 August 2002	Kelliher, US	daily low min	-1.7 C (28.9 F)	5.6 C (10.1 F)	92 years	48 of 100 (Notable)
20 August 2002	Castlewood, US	daily rain	68.1 mm (2.7 in)	17.3 mm (0.7 in)	80 years	48 of 100 (Notable)
20 August 2002	Halifax Macrossan St, AU	daily rain	27.0 mm (1.1 in)	12.0 mm (0.5 in)	92 years	47 of 100 (Notable)
20 August 2002	Dedemsvaart, NL	daily rain	36.0 mm (1.4 in)	15.5 mm (0.6 in)	49 years	47 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 2002

Records set or tied on this calendar date in each year from 1797 to 2002. 2002 had 1,208 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 2002-08-20: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	824
10 to 20	70
20 to 30	31
30 to 40	7
40 to 50	5
50 to 60	1
60 to 70	1