Weather Records on 30 October 2020

683 weather records were set or tied worldwide on 30 October 2020. Highest significance: Gum Lake (Albemarle), AU.

Key Facts for 30 October 2020

On 30 October 2020, 683 weather records were set or tied at long-record stations worldwide.
300 were record highs and 104 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 22 monthly and 661 daily.
Gum Lake (Albemarle) set a daily record precipitation of 72.0 mm (2.8 in) on 30 October 2020.
Across 153 earlier years (1799 to 2025) the same calendar date averaged 489 records.

Record Map

683 stations

683 station records on 30 October 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 October 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Gum Lake (Albemarle)	Australia	Record daily precipitation	72.0 mm (2.8 in)	73 of 100 (Major)
Appomattox	United States	Record daily precipitation	101.3 mm (4.0 in)	63 of 100 (Major)
Concord 4 SSW	United States	Record daily precipitation	96.5 mm (3.8 in)	57 of 100 (Notable)
Newburgh L&D	United States	Record daily precipitation	79.8 mm (3.1 in)	56 of 100 (Notable)
Martinsville Fltr Plt	United States	Record daily precipitation	82.3 mm (3.2 in)	54 of 100 (Notable)
Chilo Meldahl Locks & Dam	United States	Record daily precipitation	47.8 mm (1.9 in)	52 of 100 (Notable)
Kings Mills	United States	Record daily precipitation	31.8 mm (1.3 in)	51 of 100 (Notable)
Brockton	United States	Record daily snowfall	5.1 cm (2.0 in)	50 of 100 (Notable)
Buckingham	United States	Record daily precipitation	89.9 mm (3.5 in)	49 of 100 (Notable)
Kersbrook (Mabenjo)	Australia	Record daily precipitation	38.0 mm (1.5 in)	48 of 100 (Notable)
Lake Echo Power Station	Australia	Record daily precipitation	56.0 mm (2.2 in)	47 of 100 (Notable)
Moreton Telegraph Station	Australia	Record daily precipitation	51.0 mm (2.0 in)	46 of 100 (Notable)
Coatzacoalcos Ver.	Mexico	Record daily precipitation	220.2 mm (8.7 in)	46 of 100 (Notable)
Mt Airy 2 W	United States	Record daily precipitation	63.0 mm (2.5 in)	46 of 100 (Notable)
Altavista	United States	Record daily precipitation	90.4 mm (3.6 in)	46 of 100 (Notable)
Williams 3 SW	United States	Record daily precipitation	27.4 mm (1.1 in)	45 of 100 (Notable)
Coshocton Wpc Plt	United States	Record daily precipitation	26.7 mm (1.1 in)	45 of 100 (Notable)
Huddleston 4 SW	United States	Record daily precipitation	73.4 mm (2.9 in)	45 of 100 (Notable)
Upper Hermitage	Australia	Record daily precipitation	35.6 mm (1.4 in)	44 of 100 (Notable)
Jindabyne (Lynwood)	Australia	Record daily precipitation	26.0 mm (1.0 in)	44 of 100 (Notable)
Coeur D'Alene	United States	Record high maximum temperature	26.1 C (79.0 F)	44 of 100 (Notable)
The Dalles	United States	Record high maximum temperature	23.9 C (75.0 F)	44 of 100 (Notable)
Hingham	United States	Record daily snowfall	7.6 cm (3.0 in)	43 of 100 (Notable)
Grand Portage	United States	Record low maximum temperature	-0.6 C (30.9 F)	43 of 100 (Notable)
Peebles	United States	Record daily precipitation	31.8 mm (1.3 in)	43 of 100 (Notable)
Lobethal	Australia	Record daily precipitation	26.6 mm (1.0 in)	42 of 100 (Notable)
Rocky Mt	United States	Record daily precipitation	48.5 mm (1.9 in)	42 of 100 (Notable)
Trier-Zewen	Germany	Record high minimum temperature	12.8 C (55.0 F)	41 of 100 (Notable)
Long Branch-Oakhurst	United States	Record daily precipitation	53.6 mm (2.1 in)	41 of 100 (Notable)
Staunton Wtp	United States	Record daily precipitation	29.7 mm (1.2 in)	41 of 100 (Notable)
Warsaw 2 NW	United States	Record daily precipitation	41.4 mm (1.6 in)	41 of 100 (Notable)
Ellensburg	United States	Record high maximum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Kaiserslautern	Germany	Record high minimum temperature	11.5 C (52.7 F)	39 of 100 (Notable)
Conchas Dam	United States	Record snow depth	10.2 cm (4.0 in)	39 of 100 (Notable)
Gatlinburg 2 SW	United States	Record daily precipitation	30.5 mm (1.2 in)	39 of 100 (Notable)
Sevierville	United States	Record daily precipitation	31.8 mm (1.3 in)	39 of 100 (Notable)
Killawarra (Uralba)	Australia	Record daily precipitation	48.2 mm (1.9 in)	38 of 100 (Notable)
Brookneal	United States	Record daily precipitation	50.5 mm (2.0 in)	38 of 100 (Notable)
Brule Rs	United States	Record low maximum temperature	-1.7 C (28.9 F)	38 of 100 (Notable)
Boston	United States	Record daily snowfall	10.9 cm (4.3 in)	38 of 100 (Notable)
Hartford-Bradley Intl AP	United States	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)
Ashdown 4 SSE	United States	Record low maximum temperature	11.7 C (53.1 F)	37 of 100 (Notable)
Salmon AP	United States	Record high maximum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Warsaw Markland Dam	United States	Record daily precipitation	54.4 mm (2.1 in)	37 of 100 (Notable)
Carnamah	Australia	Record high minimum temperature	21.5 C (70.7 F)	36 of 100 (Notable)
Narjan Mar	Russia	Record high maximum temperature	6.6 C (43.9 F)	36 of 100 (Notable)
Ashley	United States	Record snow depth	15.2 cm (6.0 in)	36 of 100 (Notable)
Nairne	Australia	Record daily precipitation	28.0 mm (1.1 in)	35 of 100 (Notable)
Ft Ross	United States	Record low minimum temperature	-2.2 C (28.0 F)	35 of 100 (Notable)
Elkin	United States	Record daily precipitation	67.6 mm (2.7 in)	35 of 100 (Notable)
Wister 3S	United States	Record low maximum temperature	7.8 C (46.0 F)	35 of 100 (Notable)
Daly Waters AWS	Australia	Record low minimum temperature	15.5 C (59.9 F)	34 of 100 (Routine)
Rheinstetten	Germany	Record high minimum temperature	12.5 C (54.5 F)	34 of 100 (Routine)
N Foster 1 E	United States	Record daily snowfall	15.7 cm (6.2 in)	34 of 100 (Routine)
Woolwine 1 SE	United States	Record daily precipitation	65.5 mm (2.6 in)	34 of 100 (Routine)
Princeton	United States	Record daily precipitation	32.8 mm (1.3 in)	34 of 100 (Routine)
Wiseman	United States	Record low minimum temperature	-32.2 C (-26.0 F)	34 of 100 (Routine)
Da-Qaidam	China	Record high maximum temperature	14.8 C (58.6 F)	33 of 100 (Routine)
Big Bay 1NW	United States	Record low maximum temperature	-0.6 C (30.9 F)	33 of 100 (Routine)
Pilot Rock 1 SE	United States	Record high maximum temperature	25.0 C (77.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

683 records

Records set or tied on 30 October 2020 by type: Highest daily maximum 174, Lowest daily maximum 75, Highest daily minimum 126, Lowest daily minimum 29, Heaviest daily rainfall 209, Heaviest daily snowfall 24, Deepest snow cover 46.

Records on 30 October 2020 by type
Record type	Records
Highest daily maximum	174
Lowest daily maximum	75
Highest daily minimum	126
Lowest daily minimum	29
Heaviest daily rainfall	209
Heaviest daily snowfall	24
Deepest snow cover	46

Records on 30 October 2020 by timescale: all-time 0, monthly 22, daily 661.

How Much Records Were Beaten By

551 broken records

Margins by which the 551 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 192.3. Ties are not counted.

Top 20 by Significance

30 October 2020

Top 20 records on 30 October 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 October 2020	Gum Lake (Albemarle), AU	daily rain	72.0 mm (2.8 in)	57.5 mm (2.3 in)	78 years	73 of 100 (Major)
30 October 2020	Appomattox, US	daily rain	101.3 mm (4.0 in)	73.6 mm (2.9 in)	50 years	63 of 100 (Major)
30 October 2020	Concord 4 SSW, US	daily rain	96.5 mm (3.8 in)	59.4 mm (2.3 in)	50 years	57 of 100 (Notable)
30 October 2020	Newburgh L&D, US	daily rain	79.8 mm (3.1 in)	45.0 mm (1.8 in)	35 years	56 of 100 (Notable)
30 October 2020	Martinsville Fltr Plt, US	daily rain	82.3 mm (3.2 in)	52.1 mm (2.1 in)	50 years	54 of 100 (Notable)
30 October 2020	Chilo Meldahl Locks & Dam, US	daily rain	47.8 mm (1.9 in)	31.0 mm (1.2 in)	50 years	52 of 100 (Notable)
30 October 2020	Kings Mills, US	daily rain	31.8 mm (1.3 in)	12.0 mm (0.5 in)	103 years	51 of 100 (Notable)
30 October 2020	Brockton, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	124 years	50 of 100 (Notable)
30 October 2020	Buckingham, US	daily rain	89.9 mm (3.5 in)	55.9 mm (2.2 in)	18 years	49 of 100 (Notable)
30 October 2020	Kersbrook (Mabenjo), AU	daily rain	38.0 mm (1.5 in)	20.2 mm (0.8 in)	54 years	48 of 100 (Notable)
30 October 2020	Lake Echo Power Station, AU	daily rain	56.0 mm (2.2 in)	22.4 mm (0.9 in)	32 years	47 of 100 (Notable)
30 October 2020	Moreton Telegraph Station, AU	daily rain	51.0 mm (2.0 in)	18.0 mm (0.7 in)	84 years	46 of 100 (Notable)
30 October 2020	Coatzacoalcos Ver., MX	daily rain	220.2 mm (8.7 in)	192.3 mm (7.6 in)	8 years	46 of 100 (Notable)
30 October 2020	Mt Airy 2 W, US	daily rain	63.0 mm (2.5 in)	12.2 mm (0.5 in)	99 years	46 of 100 (Notable)
30 October 2020	Altavista, US	daily rain	90.4 mm (3.6 in)	51.8 mm (2.0 in)	25 years	46 of 100 (Notable)
30 October 2020	Williams 3 SW, US	daily rain	27.4 mm (1.1 in)	8.3 mm (0.33 in)	97 years	45 of 100 (Notable)
30 October 2020	Coshocton Wpc Plt, US	daily rain	26.7 mm (1.1 in)	5.1 mm (0.20 in)	103 years	45 of 100 (Notable)
30 October 2020	Huddleston 4 SW, US	daily rain	73.4 mm (2.9 in)	37.3 mm (1.5 in)	50 years	45 of 100 (Notable)
30 October 2020	Upper Hermitage, AU	daily rain	35.6 mm (1.4 in)	24.0 mm (0.9 in)	10 years	44 of 100 (Notable)
30 October 2020	Jindabyne (Lynwood), AU	daily rain	26.0 mm (1.0 in)	5.2 mm (0.20 in)	95 years	44 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

1799 to 2020

Records set or tied on this calendar date in each year from 1799 to 2020. 2020 had 683 records.

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

Records on 10-30 in each year
Year	Records
1799	1
1815	1
1837	1
1839	1
1841	1
1849	1
1856	1
1866	1
1867	1
1869	5
1870	1
1871	1
1873	2
1877	1
1881	4
1885	3
1886	2
1887	1
1888	1
1889	3
1890	4
1891	2
1892	3
1894	7
1896	4
1897	2
1898	2
1899	2
1900	3
1901	9
1902	6
1903	3
1904	1
1905	12
1906	25
1907	12
1908	14
1909	15
1910	22
1911	19
1912	28
1913	38
1914	22
1915	39
1916	23
1917	85
1918	189
1919	80
1920	73
1921	31
1922	108
1923	202
1924	246
1925	755
1926	131
1927	259
1928	195
1929	277
1930	228
1931	144
1932	181
1933	454
1934	198
1935	739
1936	253
1937	496
1938	245
1939	240
1940	251
1941	393
1942	877
1943	255
1944	497
1945	446
1946	826
1947	252
1948	326
1949	528
1950	1,186
1951	373
1952	635
1953	522
1954	276
1955	494
1956	716
1957	531
1958	366
1959	859
1960	258
1961	781
1962	382
1963	353
1964	488
1965	439
1966	490
1967	665
1968	555
1969	656
1970	636
1971	1,663
1972	902
1973	534
1974	1,039
1975	427
1976	760
1977	882
1978	359
1979	809
1980	885
1981	547
1982	534
1983	549
1984	1,270
1985	848
1986	422
1987	883
1988	972
1989	904
1990	685
1991	2,772
1992	1,228
1993	2,095
1994	777
1995	831
1996	1,299
1997	1,033
1998	771
1999	897
2000	1,659
2001	1,233
2002	1,564
2003	973
2004	1,188
2005	1,144
2006	886
2007	773
2008	1,310
2009	1,513
2010	619
2011	1,022
2012	1,413
2013	622
2014	297
2015	395
2016	981
2017	783
2018	507
2019	1,931
2020	683
2021	486
2022	762
2023	969
2024	1,393
2025	322

Download the Data

Data for records on 2020-10-30: 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 25	494
25 to 50	30
50 to 75	18
75 to 100	5
100 to 125	2
125 to 150	1
150 to 175	0
175 to 200	1