Weather Records on 30 October 2021

486 weather records were set or tied worldwide on 30 October 2021. Highest significance: Coffs Harbour Mo, AU.

Key Facts for 30 October 2021

On 30 October 2021, 486 weather records were set or tied at long-record stations worldwide.
265 were record highs and 45 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 8 monthly and 477 daily.
Coffs Harbour Mo set a daily record precipitation of 74.7 mm (2.9 in) on 30 October 2021.
Across 153 earlier years (1799 to 2025) the same calendar date averaged 490 records.

Record Map

486 stations

486 station records on 30 October 2021 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 October 2021: highest significance records shown on the map
Station	Country	Type	Value	Significance
Coffs Harbour Mo	Australia	Record daily precipitation	74.7 mm (2.9 in)	67 of 100 (Major)
Bingara (Keera)	Australia	Record daily precipitation	48.0 mm (1.9 in)	63 of 100 (Major)
Maria Island (Darlington)	Australia	Record daily precipitation	33.0 mm (1.3 in)	54 of 100 (Notable)
Eaglehawk Neck (Jetty Road)	Australia	Record daily precipitation	33.2 mm (1.3 in)	54 of 100 (Notable)
Undilla Station	Australia	Record daily precipitation	45.0 mm (1.8 in)	53 of 100 (Notable)
Zakatala	Azerbaijan	Record daily precipitation	99.1 mm (3.9 in)	51 of 100 (Notable)
Albacete Los Llanos	Spain	Record daily precipitation	39.0 mm (1.5 in)	51 of 100 (Notable)
Barcaldine Post Office	Australia	Record daily precipitation	25.8 mm (1.0 in)	49 of 100 (Notable)
Snug Plains (Cataract Falls)	Australia	Record daily precipitation	38.8 mm (1.5 in)	48 of 100 (Notable)
Mt. Alyeska	United States	Record daily precipitation	121.9 mm (4.8 in)	47 of 100 (Notable)
Daly Waters AWS	Australia	Record daily precipitation	39.4 mm (1.6 in)	46 of 100 (Notable)
Woodbridge	Australia	Record daily precipitation	41.8 mm (1.6 in)	46 of 100 (Notable)
Bunda Bunda	Australia	Record daily precipitation	26.0 mm (1.0 in)	43 of 100 (Notable)
Dandenong	Australia	Record daily precipitation	30.4 mm (1.2 in)	43 of 100 (Notable)
Homer AP	United States	Record daily precipitation	29.2 mm (1.1 in)	43 of 100 (Notable)
Cuenca	Spain	Record daily precipitation	28.4 mm (1.1 in)	42 of 100 (Notable)
Purcellville	United States	Record daily precipitation	47.0 mm (1.9 in)	42 of 100 (Notable)
Copeton Dam	Australia	Record daily precipitation	47.0 mm (1.9 in)	41 of 100 (Notable)
Jericho (Bowsden)	Australia	Record daily precipitation	25.8 mm (1.0 in)	41 of 100 (Notable)
Voru	Estonia	Record high maximum temperature	15.8 C (60.4 F)	41 of 100 (Notable)
Pallamallawa Post Office	Australia	Record daily precipitation	36.8 mm (1.4 in)	40 of 100 (Notable)
Velikie Luki	Russia	Record high maximum temperature	15.4 C (59.7 F)	40 of 100 (Notable)
Valentine	United States	Record high maximum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Nugent (Twilight Valley)	Australia	Record daily precipitation	32.6 mm (1.3 in)	39 of 100 (Notable)
Levendale	Australia	Record daily precipitation	25.6 mm (1.0 in)	39 of 100 (Notable)
Melton Mowbray (Lovely Banks)	Australia	Record daily precipitation	44.5 mm (1.8 in)	38 of 100 (Notable)
Tartu-Toravere	Estonia	Record high maximum temperature	13.5 C (56.3 F)	37 of 100 (Notable)
Perpignan	France	Record high minimum temperature	19.2 C (66.6 F)	37 of 100 (Notable)
Summit Creek	United States	Record daily precipitation	55.9 mm (2.2 in)	37 of 100 (Notable)
Portland Jetport	United States	Record daily precipitation	70.6 mm (2.8 in)	37 of 100 (Notable)
Fairbanks Intl AP	United States	Record high maximum temperature	8.9 C (48.0 F)	37 of 100 (Notable)
Jerrabattgulla (Gilston)	Australia	Record daily precipitation	28.0 mm (1.1 in)	36 of 100 (Notable)
Tallinn	Estonia	Record high maximum temperature	11.4 C (52.5 F)	36 of 100 (Notable)
Kurundi	Australia	Record daily precipitation	35.6 mm (1.4 in)	33 of 100 (Routine)
Parafield Airport	Australia	Record low minimum temperature	4.7 C (40.5 F)	33 of 100 (Routine)
Rockhampton Aero	Australia	Record high minimum temperature	23.4 C (74.1 F)	33 of 100 (Routine)
Wee Waa (George St)	Australia	Record daily precipitation	29.4 mm (1.2 in)	33 of 100 (Routine)
Lajes Ab	Portugal	Record high minimum temperature	20.8 C (69.4 F)	33 of 100 (Routine)
Lamar Rs	United States	Record high minimum temperature	5.0 C (41.0 F)	33 of 100 (Routine)
Turnagain Pass	United States	Record daily precipitation	81.3 mm (3.2 in)	33 of 100 (Routine)
Grouse Creek Divide	United States	Record daily precipitation	165.1 mm (6.5 in)	33 of 100 (Routine)
Bonshaw (Campbell St)	Australia	Record daily precipitation	30.3 mm (1.2 in)	32 of 100 (Routine)
Dover	Australia	Record daily precipitation	35.2 mm (1.4 in)	32 of 100 (Routine)
Sauda	Norway	Record high maximum temperature	16.5 C (61.7 F)	32 of 100 (Routine)
Albacete Obs.	Spain	Record daily precipitation	32.1 mm (1.3 in)	32 of 100 (Routine)
Fairmont	United States	Record high minimum temperature	16.1 C (61.0 F)	32 of 100 (Routine)
Palmdale	United States	Record high minimum temperature	13.9 C (57.0 F)	32 of 100 (Routine)
Herbert Vale	Australia	Record daily precipitation	46.0 mm (1.8 in)	31 of 100 (Routine)
Taranna (Parks & Wildlife)	Australia	Record daily precipitation	25.2 mm (1.0 in)	31 of 100 (Routine)
Chiang Mai	Thailand	Record daily precipitation	27.2 mm (1.1 in)	31 of 100 (Routine)
Rushy Lagoon (Cape Portland Ro	Australia	Record daily precipitation	26.8 mm (1.1 in)	30 of 100 (Routine)
Birobidzhan	Russia	Record high maximum temperature	12.7 C (54.9 F)	30 of 100 (Routine)
Caceres	Spain	Record daily precipitation	32.8 mm (1.3 in)	30 of 100 (Routine)
Allardt	United States	Record daily precipitation	32.5 mm (1.3 in)	30 of 100 (Routine)
Bahia Blanca Aero	Argentina	Record high maximum temperature	36.4 C (97.5 F)	29 of 100 (Routine)
Kellevie	Australia	Record daily precipitation	26.2 mm (1.0 in)	29 of 100 (Routine)
Turi	Estonia	Record high maximum temperature	12.1 C (53.8 F)	29 of 100 (Routine)
Karesuando	Sweden	Record snow depth	40.0 cm (15.7 in)	29 of 100 (Routine)
Natl Arboretum Dc	United States	Record high minimum temperature	13.9 C (57.0 F)	29 of 100 (Routine)
Tenterfield (Mole Station)	Australia	Record daily precipitation	29.2 mm (1.1 in)	28 of 100 (Routine)

Counts by Type and Timescale

486 records

Records set or tied on 30 October 2021 by type: Highest daily maximum 101, Lowest daily maximum 15, Highest daily minimum 164, Lowest daily minimum 30, Heaviest daily rainfall 172, Heaviest daily snowfall 3, Deepest snow cover 1.

Records on 30 October 2021 by type
Record type	Records
Highest daily maximum	101
Lowest daily maximum	15
Highest daily minimum	164
Lowest daily minimum	30
Heaviest daily rainfall	172
Heaviest daily snowfall	3
Deepest snow cover	1

Records on 30 October 2021 by timescale: all-time 1, monthly 8, daily 477.

How Much Records Were Beaten By

428 broken records

Margins by which the 428 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 88.9. Ties are not counted.

Top 20 by Significance

30 October 2021

Top 20 records on 30 October 2021 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 October 2021	Coffs Harbour Mo, AU	daily rain	74.7 mm (2.9 in)	58.7 mm (2.3 in)	76 years	67 of 100 (Major)
30 October 2021	Bingara (Keera), AU	daily rain	48.0 mm (1.9 in)	25.1 mm (1.0 in)	111 years	63 of 100 (Major)
30 October 2021	Maria Island (Darlington), AU	daily rain	33.0 mm (1.3 in)	15.2 mm (0.6 in)	83 years	54 of 100 (Notable)
30 October 2021	Eaglehawk Neck (Jetty Road), AU	daily rain	33.2 mm (1.3 in)	17.5 mm (0.7 in)	83 years	54 of 100 (Notable)
30 October 2021	Undilla Station, AU	daily rain	45.0 mm (1.8 in)	36.8 mm (1.4 in)	43 years	53 of 100 (Notable)
30 October 2021	Zakatala, AZ	daily rain	99.1 mm (3.9 in)	71.2 mm (2.8 in)	11 years	51 of 100 (Notable)
30 October 2021	Albacete Los Llanos, ES	daily rain	39.0 mm (1.5 in)	19.4 mm (0.8 in)	72 years	51 of 100 (Notable)
30 October 2021	Barcaldine Post Office, AU	daily rain	25.8 mm (1.0 in)	9.5 mm (0.37 in)	124 years	49 of 100 (Notable)
30 October 2021	Snug Plains (Cataract Falls), AU	daily rain	38.8 mm (1.5 in)	21.5 mm (0.8 in)	52 years	48 of 100 (Notable)
30 October 2021	Mt. Alyeska, US	daily rain	121.9 mm (4.8 in)	88.9 mm (3.5 in)	14 years	47 of 100 (Notable)
30 October 2021	Daly Waters AWS, AU	daily rain	39.4 mm (1.6 in)	16.0 mm (0.6 in)	79 years	46 of 100 (Notable)
30 October 2021	Woodbridge, AU	daily rain	41.8 mm (1.6 in)	11.3 mm (0.4 in)	74 years	46 of 100 (Notable)
30 October 2021	Bunda Bunda, AU	daily rain	26.0 mm (1.0 in)	16.1 mm (0.6 in)	64 years	43 of 100 (Notable)
30 October 2021	Dandenong, AU	daily rain	30.4 mm (1.2 in)	15.4 mm (0.6 in)	51 years	43 of 100 (Notable)
30 October 2021	Homer AP, US	daily rain	29.2 mm (1.1 in)	6.8 mm (0.27 in)	82 years	43 of 100 (Notable)
30 October 2021	Cuenca, ES	daily rain	28.4 mm (1.1 in)	12.4 mm (0.5 in)	58 years	42 of 100 (Notable)
30 October 2021	Purcellville, US	daily rain	47.0 mm (1.9 in)	4.1 mm (0.16 in)	104 years	42 of 100 (Notable)
30 October 2021	Copeton Dam, AU	daily rain	47.0 mm (1.9 in)	24.8 mm (1.0 in)	36 years	41 of 100 (Notable)
30 October 2021	Jericho (Bowsden), AU	daily rain	25.8 mm (1.0 in)	5.5 mm (0.22 in)	83 years	41 of 100 (Notable)
30 October 2021	Voru, EE	daily high max	15.8 C (60.4 F)	2.6 C (4.7 F)	88 years	41 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 2021

Records set or tied on this calendar date in each year from 1799 to 2021. 2021 had 486 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 2021-10-30: 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 20	411
20 to 40	13
40 to 60	1
60 to 80	2
80 to 100	1