Weather Records on 4 October 2020

897 weather records were set or tied worldwide on 4 October 2020. Highest significance: Reinli, NO.

Key Facts for 4 October 2020

On 4 October 2020, 897 weather records were set or tied at long-record stations worldwide.
600 were record highs and 150 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 48 monthly and 849 daily.
Reinli set a monthly record daily precipitation of 66.3 mm (2.6 in) on 4 October 2020.
Across 160 earlier years (1795 to 2026) the same calendar date averaged 462 records.

Record Map

897 stations

897 station records on 4 October 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 October 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Reinli	Norway	Record daily precipitation	66.3 mm (2.6 in)	68 of 100 (Major)
Postmyr I Drangedal	Norway	Record daily precipitation	76.6 mm (3.0 in)	66 of 100 (Major)
Iron Knob	Australia	Record daily precipitation	29.0 mm (1.1 in)	54 of 100 (Notable)
Wharminda	Australia	Record daily precipitation	37.0 mm (1.5 in)	54 of 100 (Notable)
Tunhovd	Norway	Record daily precipitation	30.5 mm (1.2 in)	54 of 100 (Notable)
Geilo	Norway	Record daily precipitation	31.5 mm (1.2 in)	52 of 100 (Notable)
Bengtsfors_D	Sweden	Record daily precipitation	33.6 mm (1.3 in)	50 of 100 (Notable)
Piestany	Slovakia	Record daily precipitation	32.0 mm (1.3 in)	48 of 100 (Notable)
Foldsae	Norway	Record daily precipitation	39.9 mm (1.6 in)	48 of 100 (Notable)
Hakavik	Norway	Record daily precipitation	43.4 mm (1.7 in)	48 of 100 (Notable)
Kinloss	United Kingdom	Record daily precipitation	33.0 mm (1.3 in)	47 of 100 (Notable)
Vang I Valdres	Norway	Record daily precipitation	29.7 mm (1.2 in)	44 of 100 (Notable)
Mangsbodarna	Sweden	Record daily precipitation	39.5 mm (1.6 in)	44 of 100 (Notable)
Calaveras Big Trees	United States	Record high minimum temperature	15.6 C (60.1 F)	44 of 100 (Notable)
Princeton	United States	Record low maximum temperature	10.6 C (51.1 F)	43 of 100 (Notable)
McDermitt	United States	Record high maximum temperature	32.2 C (90.0 F)	43 of 100 (Notable)
Ronnoc Downs	Australia	Record daily precipitation	52.0 mm (2.0 in)	42 of 100 (Notable)
Yasawa-I-Rara	Fiji	Record daily precipitation	92.0 mm (3.6 in)	42 of 100 (Notable)
Hedal I Valdres II	Norway	Record daily precipitation	52.2 mm (2.1 in)	42 of 100 (Notable)
Animskog	Sweden	Record daily precipitation	28.2 mm (1.1 in)	42 of 100 (Notable)
Nyhammar	Sweden	Record daily precipitation	28.8 mm (1.1 in)	42 of 100 (Notable)
Paradise	United States	Record high maximum temperature	31.7 C (89.1 F)	42 of 100 (Notable)
Williams	United States	Record high maximum temperature	28.9 C (84.0 F)	42 of 100 (Notable)
Monmouth	United States	Record low maximum temperature	9.4 C (48.9 F)	42 of 100 (Notable)
Mykland	Norway	Record daily precipitation	50.0 mm (2.0 in)	41 of 100 (Notable)
Uppsala_Aut	Sweden	Record high minimum temperature	13.1 C (55.6 F)	41 of 100 (Notable)
Heathrow	United Kingdom	Record daily precipitation	30.5 mm (1.2 in)	41 of 100 (Notable)
Calarasi	Romania	Record high minimum temperature	18.8 C (65.8 F)	40 of 100 (Notable)
Leuchars	United Kingdom	Record daily precipitation	63.2 mm (2.5 in)	40 of 100 (Notable)
Mt Pleasant 1 SW	United States	Record low maximum temperature	8.9 C (48.0 F)	40 of 100 (Notable)
Cape Sorell	Australia	Record daily precipitation	25.2 mm (1.0 in)	39 of 100 (Notable)
Grimeli I Krodsherad	Norway	Record daily precipitation	43.8 mm (1.7 in)	39 of 100 (Notable)
Danville	United States	Record daily precipitation	45.7 mm (1.8 in)	39 of 100 (Notable)
Fairfield	United States	Record low maximum temperature	7.2 C (45.0 F)	39 of 100 (Notable)
Nagykanizsa	Hungary	Record daily precipitation	40.4 mm (1.6 in)	38 of 100 (Notable)
Kaunas	Lithuania	Record high minimum temperature	14.9 C (58.8 F)	38 of 100 (Notable)
Fairmont	United States	Record high maximum temperature	35.0 C (95.0 F)	38 of 100 (Notable)
Menindee Post Office	Australia	Record high minimum temperature	21.7 C (71.1 F)	37 of 100 (Notable)
Mildura Airport	Australia	Record high minimum temperature	20.9 C (69.6 F)	37 of 100 (Notable)
Bergeligrend	Norway	Record daily precipitation	35.9 mm (1.4 in)	37 of 100 (Notable)
Richland	United States	Record high maximum temperature	32.8 C (91.0 F)	37 of 100 (Notable)
Kokatha	Australia	Record daily precipitation	27.1 mm (1.1 in)	36 of 100 (Notable)
Rjukan	Norway	Record daily precipitation	49.0 mm (1.9 in)	36 of 100 (Notable)
Belgrade (Observatory)	Serbia	Record high minimum temperature	19.6 C (67.3 F)	36 of 100 (Notable)
Storbron	Sweden	Record daily precipitation	38.4 mm (1.5 in)	36 of 100 (Notable)
Lillhamra	Sweden	Record daily precipitation	40.4 mm (1.6 in)	36 of 100 (Notable)
Vilsandi	Estonia	Record high minimum temperature	14.0 C (57.2 F)	35 of 100 (Notable)
Glomfjord	Norway	Record high minimum temperature	12.2 C (54.0 F)	35 of 100 (Notable)
Plassen	Norway	Record daily precipitation	28.5 mm (1.1 in)	35 of 100 (Notable)
Tovdal	Norway	Record daily precipitation	53.0 mm (2.1 in)	35 of 100 (Notable)
Baia Mare	Romania	Record high minimum temperature	18.6 C (65.5 F)	35 of 100 (Notable)
Vrena	Sweden	Record daily precipitation	28.9 mm (1.1 in)	35 of 100 (Notable)
Hudiksvall	Sweden	Record daily precipitation	35.0 mm (1.4 in)	35 of 100 (Notable)
Columbus Junction	United States	Record low maximum temperature	10.0 C (50.0 F)	35 of 100 (Notable)
Karlshamn	Sweden	Record high minimum temperature	13.8 C (56.8 F)	34 of 100 (Routine)
Alice Springs Airport	Australia	Record high minimum temperature	26.7 C (80.1 F)	33 of 100 (Routine)
Vea	Norway	Record daily precipitation	30.5 mm (1.2 in)	33 of 100 (Routine)
Kviteseid - Moen	Norway	Record daily precipitation	43.9 mm (1.7 in)	33 of 100 (Routine)
Hoburg	Sweden	Record high maximum temperature	17.9 C (64.2 F)	33 of 100 (Routine)
Newman	United States	Record high maximum temperature	40.0 C (104.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

897 records

Records set or tied on 4 October 2020 by type: Highest daily maximum 310, Lowest daily maximum 85, Highest daily minimum 290, Lowest daily minimum 65, Heaviest daily rainfall 147.

Records on 4 October 2020 by type
Record type	Records
Highest daily maximum	310
Lowest daily maximum	85
Highest daily minimum	290
Lowest daily minimum	65
Heaviest daily rainfall	147
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 October 2020 by timescale: all-time 0, monthly 48, daily 849.

How Much Records Were Beaten By

719 broken records

Margins by which the 719 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 80.5. Ties are not counted.

Top 20 by Significance

4 October 2020

Top 20 records on 4 October 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 October 2020	Reinli, NO	monthly rain	66.3 mm (2.6 in)	21.7 mm (0.9 in)	55 years	68 of 100 (Major)
4 October 2020	Postmyr I Drangedal, NO	daily rain	76.6 mm (3.0 in)	35.2 mm (1.4 in)	86 years	66 of 100 (Major)
4 October 2020	Iron Knob, AU	daily rain	29.0 mm (1.1 in)	20.0 mm (0.8 in)	46 years	54 of 100 (Notable)
4 October 2020	Wharminda, AU	monthly rain	37.0 mm (1.5 in)	3.5 mm (0.14 in)	95 years	54 of 100 (Notable)
4 October 2020	Tunhovd, NO	daily rain	30.5 mm (1.2 in)	11.6 mm (0.5 in)	60 years	54 of 100 (Notable)
4 October 2020	Geilo, NO	daily rain	31.5 mm (1.2 in)	9.5 mm (0.37 in)	86 years	52 of 100 (Notable)
4 October 2020	Bengtsfors_D, SE	daily rain	33.6 mm (1.3 in)	14.2 mm (0.6 in)	74 years	50 of 100 (Notable)
4 October 2020	Piestany, SK	daily rain	32.0 mm (1.3 in)	20.8 mm (0.8 in)	26 years	48 of 100 (Notable)
4 October 2020	Foldsae, NO	daily rain	39.9 mm (1.6 in)	18.9 mm (0.7 in)	60 years	48 of 100 (Notable)
4 October 2020	Hakavik, NO	daily rain	43.4 mm (1.7 in)	27.2 mm (1.1 in)	53 years	48 of 100 (Notable)
4 October 2020	Kinloss, GB	daily rain	33.0 mm (1.3 in)	16.0 mm (0.6 in)	41 years	47 of 100 (Notable)
4 October 2020	Vang I Valdres, NO	daily rain	29.7 mm (1.2 in)	5.1 mm (0.20 in)	86 years	44 of 100 (Notable)
4 October 2020	Mangsbodarna, SE	daily rain	39.5 mm (1.6 in)	16.3 mm (0.6 in)	39 years	44 of 100 (Notable)
4 October 2020	Calaveras Big Trees, US	daily high min	15.6 C (60.1 F)	3.4 C (6.1 F)	87 years	44 of 100 (Notable)
4 October 2020	Princeton, US	daily low max	10.6 C (51.1 F)	2.2 C (4.0 F)	125 years	43 of 100 (Notable)
4 October 2020	McDermitt, US	daily high max	32.2 C (90.0 F)	2.2 C (4.0 F)	103 years	43 of 100 (Notable)
4 October 2020	Ronnoc Downs, AU	daily rain	52.0 mm (2.0 in)	45.0 mm (1.8 in)	24 years	42 of 100 (Notable)
4 October 2020	Yasawa-I-Rara, FJ	daily rain	92.0 mm (3.6 in)	80.5 mm (3.2 in)	6 years	42 of 100 (Notable)
4 October 2020	Hedal I Valdres II, NO	daily rain	52.2 mm (2.1 in)	26.4 mm (1.0 in)	12 years	42 of 100 (Notable)
4 October 2020	Animskog, SE	daily rain	28.2 mm (1.1 in)	9.9 mm (0.39 in)	74 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

1795 to 2020

Records set or tied on this calendar date in each year from 1795 to 2020. 2020 had 897 records.

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

Records on 10-04 in each year
Year	Records
1795	1
1802	1
1841	2
1843	1
1844	2
1847	2
1853	1
1859	1
1864	8
1865	2
1867	1
1868	1
1873	1
1875	1
1876	1
1878	1
1880	1
1881	3
1882	1
1883	3
1884	4
1885	2
1886	3
1888	5
1889	2
1890	1
1891	3
1892	2
1893	2
1894	3
1895	3
1896	3
1898	4
1899	1
1900	3
1901	9
1902	5
1903	8
1904	5
1905	11
1906	29
1907	10
1908	18
1909	13
1910	21
1911	23
1912	101
1913	12
1914	18
1915	13
1916	137
1917	157
1918	127
1919	30
1920	31
1921	46
1922	44
1923	21
1924	63
1925	130
1926	255
1927	172
1928	131
1929	339
1930	244
1931	361
1932	413
1933	299
1934	121
1935	833
1936	161
1937	483
1938	440
1939	345
1940	220
1941	850
1942	198
1943	426
1944	328
1945	543
1946	314
1947	592
1948	449
1949	491
1950	565
1951	617
1952	717
1953	358
1954	999
1955	630
1956	467
1957	533
1958	704
1959	812
1960	246
1961	758
1962	313
1963	528
1964	389
1965	760
1966	464
1967	440
1968	587
1969	628
1970	539
1971	361
1972	712
1973	604
1974	1,846
1975	681
1976	869
1977	517
1978	488
1979	733
1980	975
1981	994
1982	415
1983	762
1984	864
1985	863
1986	1,265
1987	1,502
1988	713
1989	742
1990	845
1991	813
1992	866
1993	956
1994	1,341
1995	1,192
1996	1,012
1997	928
1998	1,487
1999	1,596
2000	917
2001	547
2002	1,465
2003	610
2004	562
2005	1,973
2006	987
2007	997
2008	935
2009	1,431
2010	1,230
2011	919
2012	864
2013	1,130
2014	611
2015	741
2016	680
2017	780
2018	979
2019	1,131
2020	897
2021	644
2022	561
2023	936
2024	1,197
2025	979
2026	942

Download the Data

Data for records on 2020-10-04: 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	704
20 to 40	13
40 to 60	1
60 to 80	0
80 to 100	1