Weather Records on 21 October 1985

776 weather records were set or tied worldwide on 21 October 1985. Highest significance: Hogsett Rc Byrd Dam, US.

Key Facts for 21 October 1985

On 21 October 1985, 776 weather records were set or tied at long-record stations worldwide.
198 were record highs and 146 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 19 monthly and 754 daily.
Hogsett Rc Byrd Dam set an all-time record daily precipitation of 110.7 mm (4.4 in) on 21 October 1985.
Across 167 earlier years (1795 to 2025) the same calendar date averaged 418 records.

Record Map

776 stations

776 station records on 21 October 1985 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 October 1985: highest significance records shown on the map
Station	Country	Type	Value	Significance
Hogsett Rc Byrd Dam	United States	Record daily precipitation	110.7 mm (4.4 in)	67 of 100 (Major)
Dargo	Australia	Record daily precipitation	101.0 mm (4.0 in)	64 of 100 (Major)
Kilauea 1134	United States	Record daily precipitation	108.0 mm (4.3 in)	63 of 100 (Major)
Upper Tract	United States	Record daily precipitation	64.8 mm (2.6 in)	61 of 100 (Major)
Herberton White St	Australia	Record daily precipitation	65.6 mm (2.6 in)	56 of 100 (Notable)
Dailey 1 SE	United States	Record daily precipitation	86.1 mm (3.4 in)	56 of 100 (Notable)
Malanda Post Office	Australia	Record daily precipitation	47.2 mm (1.9 in)	51 of 100 (Notable)
Huntington Lake	United States	Record daily snowfall	25.4 cm (10.0 in)	50 of 100 (Notable)
Monterey	United States	Record daily precipitation	33.5 mm (1.3 in)	50 of 100 (Notable)
Bayard	United States	Record daily precipitation	76.7 mm (3.0 in)	50 of 100 (Notable)
Princeville Rch 1117	United States	Record daily precipitation	106.4 mm (4.2 in)	50 of 100 (Notable)
Encarnacion de Diaz	Mexico	Record daily precipitation	104.6 mm (4.1 in)	49 of 100 (Notable)
Bristol AP	United States	Record daily precipitation	52.3 mm (2.1 in)	49 of 100 (Notable)
Moreton Telegraph Station	Australia	Record daily precipitation	26.2 mm (1.0 in)	48 of 100 (Notable)
Boca	United States	Record daily snowfall	8.9 cm (3.5 in)	48 of 100 (Notable)
Rowlesburg 1	United States	Record daily precipitation	80.5 mm (3.2 in)	48 of 100 (Notable)
Ely AP	United States	Record daily snowfall	10.2 cm (4.0 in)	48 of 100 (Notable)
Donner Mem Sp	United States	Record daily snowfall	17.8 cm (7.0 in)	47 of 100 (Notable)
Ripley	United States	Record daily precipitation	101.6 mm (4.0 in)	47 of 100 (Notable)
Dimbulah Brickley St	Australia	Record daily precipitation	51.2 mm (2.0 in)	46 of 100 (Notable)
Sagehen Creek	United States	Record daily snowfall	15.2 cm (6.0 in)	46 of 100 (Notable)
Stockton AP	United States	Record daily precipitation	31.8 mm (1.3 in)	46 of 100 (Notable)
Santa Rosa	United States	Record daily precipitation	31.0 mm (1.2 in)	45 of 100 (Notable)
Volta Ph	United States	Record daily precipitation	43.4 mm (1.7 in)	45 of 100 (Notable)
Bourneville 1 SSW	United States	Record daily precipitation	42.4 mm (1.7 in)	45 of 100 (Notable)
Ft Bragg 5 N	United States	Record daily precipitation	48.0 mm (1.9 in)	44 of 100 (Notable)
Oakland 1 SE	United States	Record daily precipitation	54.6 mm (2.1 in)	44 of 100 (Notable)
Padilla	Mexico	Record daily precipitation	119.9 mm (4.7 in)	43 of 100 (Notable)
Isabela Substn	Puerto Rico [United States]	Record high minimum temperature	25.0 C (77.0 F)	43 of 100 (Notable)
El Barretal I	Mexico	Record daily precipitation	60.5 mm (2.4 in)	42 of 100 (Notable)
Chilo Meldahl Locks & Dam	United States	Record daily precipitation	127.0 mm (5.0 in)	42 of 100 (Notable)
Truckee Rs	United States	Record daily snowfall	20.3 cm (8.0 in)	41 of 100 (Notable)
Ukiah	United States	Record daily precipitation	36.6 mm (1.4 in)	41 of 100 (Notable)
Manchester 4 W	United States	Record daily precipitation	40.1 mm (1.6 in)	41 of 100 (Notable)
Round Grove	United States	Record daily snowfall	5.1 cm (2.0 in)	41 of 100 (Notable)
Spencer	United States	Record daily precipitation	84.1 mm (3.3 in)	41 of 100 (Notable)
Independence	United States	Record high minimum temperature	13.9 C (57.0 F)	40 of 100 (Notable)
San Rafael-Civic Ctr	United States	Record low maximum temperature	15.0 C (59.0 F)	40 of 100 (Notable)
Nixon	United States	Record daily precipitation	55.4 mm (2.2 in)	40 of 100 (Notable)
Jackson Exp STN	United States	Record daily precipitation	59.9 mm (2.4 in)	39 of 100 (Notable)
Canyon Dam	United States	Record daily snowfall	5.1 cm (2.0 in)	38 of 100 (Notable)
Donner Mem Sp	United States	Record snow depth	17.8 cm (7.0 in)	38 of 100 (Notable)
Paul 1ENE	United States	Record high minimum temperature	12.2 C (54.0 F)	38 of 100 (Notable)
Rupert 3 WSW	United States	Record high minimum temperature	7.8 C (46.0 F)	38 of 100 (Notable)
Glenville	United States	Record daily precipitation	71.6 mm (2.8 in)	38 of 100 (Notable)
Blue Canyon Nyack AP	United States	Record daily snowfall	23.6 cm (9.3 in)	38 of 100 (Notable)
Tinaroo Falls Dam	Australia	Record daily precipitation	30.0 mm (1.2 in)	37 of 100 (Notable)
Kalpowar Forestry	Australia	Record daily precipitation	32.6 mm (1.3 in)	37 of 100 (Notable)
Covelo	United States	Record daily precipitation	36.3 mm (1.4 in)	37 of 100 (Notable)
Santa Cruz	United States	Record low maximum temperature	13.9 C (57.0 F)	37 of 100 (Notable)
Twin Lakes	United States	Record daily snowfall	50.8 cm (20.0 in)	37 of 100 (Notable)
Sacramento 5 ESE	United States	Record low maximum temperature	15.0 C (59.0 F)	37 of 100 (Notable)
Theodore Dpi	Australia	Record daily precipitation	51.2 mm (2.0 in)	36 of 100 (Notable)
Bodie California St Historic P	United States	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Mineral	United States	Record snow depth	10.2 cm (4.0 in)	36 of 100 (Notable)
Truckee Rs	United States	Record snow depth	20.3 cm (8.0 in)	36 of 100 (Notable)
Walhalla	United States	Record daily precipitation	43.2 mm (1.7 in)	36 of 100 (Notable)
Fowlerton	United States	Record daily precipitation	69.9 mm (2.8 in)	36 of 100 (Notable)
Callahan	United States	Record daily precipitation	32.8 mm (1.3 in)	35 of 100 (Notable)
Canyon Dam	United States	Record daily precipitation	40.6 mm (1.6 in)	35 of 100 (Notable)

Counts by Type and Timescale

776 records

Records set or tied on 21 October 1985 by type: Highest daily maximum 66, Lowest daily maximum 73, Highest daily minimum 132, Lowest daily minimum 73, Heaviest daily rainfall 382, Heaviest daily snowfall 32, Deepest snow cover 18.

Records on 21 October 1985 by type
Record type	Records
Highest daily maximum	66
Lowest daily maximum	73
Highest daily minimum	132
Lowest daily minimum	73
Heaviest daily rainfall	382
Heaviest daily snowfall	32
Deepest snow cover	18

Records on 21 October 1985 by timescale: all-time 3, monthly 19, daily 754.

How Much Records Were Beaten By

653 broken records

Margins by which the 653 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 229.0. Ties are not counted.

Top 20 by Significance

21 October 1985

Top 20 records on 21 October 1985 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 October 1985	Hogsett Rc Byrd Dam, US	all-time rain	110.7 mm (4.4 in)	18.8 mm (0.7 in)	70 years	67 of 100 (Major)
21 October 1985	Dargo, AU	monthly rain	101.0 mm (4.0 in)	45.1 mm (1.8 in)	35 years	64 of 100 (Major)
21 October 1985	Kilauea 1134, US	daily rain	108.0 mm (4.3 in)	89.7 mm (3.5 in)	50 years	63 of 100 (Major)
21 October 1985	Upper Tract, US	daily rain	64.8 mm (2.6 in)	47.0 mm (1.9 in)	72 years	61 of 100 (Major)
21 October 1985	Herberton White St, AU	daily rain	65.6 mm (2.6 in)	49.1 mm (1.9 in)	24 years	56 of 100 (Notable)
21 October 1985	Dailey 1 SE, US	daily rain	86.1 mm (3.4 in)	41.6 mm (1.6 in)	40 years	56 of 100 (Notable)
21 October 1985	Malanda Post Office, AU	daily rain	47.2 mm (1.9 in)	40.1 mm (1.6 in)	16 years	51 of 100 (Notable)
21 October 1985	Huntington Lake, US	daily snowfall	25.4 cm (10.0 in)	22.9 cm (9.0 in)	44 years	50 of 100 (Notable)
21 October 1985	Monterey, US	daily rain	33.5 mm (1.3 in)	23.6 mm (0.9 in)	44 years	50 of 100 (Notable)
21 October 1985	Bayard, US	daily rain	76.7 mm (3.0 in)	52.6 mm (2.1 in)	8 years	50 of 100 (Notable)
21 October 1985	Princeville Rch 1117, US	daily rain	106.4 mm (4.2 in)	53.1 mm (2.1 in)	24 years	50 of 100 (Notable)
21 October 1985	Encarnacion de Diaz, MX	all-time rain	104.6 mm (4.1 in)	21.5 mm (0.8 in)	10 years	49 of 100 (Notable)
21 October 1985	Bristol AP, US	daily rain	52.3 mm (2.1 in)	39.1 mm (1.5 in)	23 years	49 of 100 (Notable)
21 October 1985	Moreton Telegraph Station, AU	daily rain	26.2 mm (1.0 in)	21.6 mm (0.9 in)	95 years	48 of 100 (Notable)
21 October 1985	Boca, US	daily snowfall	8.9 cm (3.5 in)	8.9 cm (3.5 in)	79 years	48 of 100 (Notable)
21 October 1985	Rowlesburg 1, US	daily rain	80.5 mm (3.2 in)	26.9 mm (1.1 in)	40 years	48 of 100 (Notable)
21 October 1985	Ely AP, US	daily snowfall	10.2 cm (4.0 in)	5.1 cm (2.0 in)	88 years	48 of 100 (Notable)
21 October 1985	Donner Mem Sp, US	daily snowfall	17.8 cm (7.0 in)	17.8 cm (7.0 in)	32 years	47 of 100 (Notable)
21 October 1985	Ripley, US	monthly rain	101.6 mm (4.0 in)	35.6 mm (1.4 in)	0 years	47 of 100 (Notable)
21 October 1985	Dimbulah Brickley St, AU	daily rain	51.2 mm (2.0 in)	46.6 mm (1.8 in)	4 years	46 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 1985

Records set or tied on this calendar date in each year from 1795 to 1985. 1985 had 776 records.

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

Records on 10-21 in each year
Year	Records
1795	1
1802	2
1805	1
1808	1
1810	1
1834	1
1835	1
1840	1
1845	1
1847	1
1850	1
1851	2
1854	1
1859	1
1863	1
1864	1
1866	3
1867	1
1868	3
1869	2
1871	1
1872	1
1873	1
1874	1
1876	4
1877	2
1878	1
1880	3
1881	1
1883	1
1886	1
1888	2
1889	2
1890	3
1891	6
1892	6
1893	1
1894	1
1895	2
1896	5
1898	6
1899	3
1900	2
1901	9
1902	2
1903	3
1904	30
1905	15
1906	11
1907	35
1908	35
1909	19
1910	21
1911	10
1912	18
1913	59
1914	35
1915	43
1916	70
1917	208
1918	18
1919	102
1920	149
1921	58
1922	78
1923	81
1924	389
1925	150
1926	77
1927	187
1928	78
1929	200
1930	492
1931	217
1932	165
1933	733
1934	407
1935	707
1936	407
1937	132
1938	121
1939	491
1940	537
1941	644
1942	258
1943	421
1944	367
1945	538
1946	297
1947	977
1948	266
1949	1,015
1950	438
1951	382
1952	848
1953	1,579
1954	279
1955	481
1956	276
1957	511
1958	322
1959	410
1960	408
1961	553
1962	359
1963	725
1964	457
1965	465
1966	425
1967	472
1968	174
1969	881
1970	548
1971	498
1972	813
1973	464
1974	866
1975	509
1976	1,467
1977	451
1978	616
1979	1,958
1980	378
1981	667
1982	870
1983	786
1984	1,872
1985	776
1986	814
1987	852
1988	696
1989	1,668
1990	807
1991	877
1992	1,095
1993	845
1994	670
1995	1,120
1996	1,581
1997	915
1998	711
1999	688
2000	771
2001	610
2002	1,241
2003	2,066
2004	1,674
2005	949
2006	1,057
2007	916
2008	610
2009	713
2010	710
2011	662
2012	703
2013	440
2014	716
2015	493
2016	734
2017	750
2018	440
2019	757
2020	1,135
2021	574
2022	629
2023	890
2024	1,138
2025	364

Download the Data

Data for records on 1985-10-21: 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 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 50	618
50 to 100	22
100 to 150	5
150 to 200	7
200 to 250	1