Weather Records on 31 October 1990

990 weather records were set or tied worldwide on 31 October 1990. Highest significance: Ai-Petri, UA.

Key Facts for 31 October 1990

On 31 October 1990, 990 weather records were set or tied at long-record stations worldwide.
558 were record highs and 51 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 18 monthly and 972 daily.
Ai-Petri set a monthly record daily precipitation of 116.0 mm (4.6 in) on 31 October 1990.
Across 163 earlier years (1805 to 2025) the same calendar date averaged 468 records.

Record Map

990 stations

990 station records on 31 October 1990 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 October 1990: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ai-Petri	Ukraine	Record daily precipitation	116.0 mm (4.6 in)	69 of 100 (Major)
Yalta	Ukraine	Record daily precipitation	89.8 mm (3.5 in)	67 of 100 (Major)
Novorossijsk	Russia	Record daily precipitation	36.8 mm (1.4 in)	56 of 100 (Notable)
Harnosand	Sweden	Record daily precipitation	35.6 mm (1.4 in)	56 of 100 (Notable)
Zhizdra	Russia	Record daily precipitation	31.5 mm (1.2 in)	55 of 100 (Notable)
La Poza Honda	Mexico	Record daily precipitation	66.3 mm (2.6 in)	54 of 100 (Notable)
Orel	Russia	Record daily precipitation	28.2 mm (1.1 in)	49 of 100 (Notable)
Staryj Oskol	Russia	Record daily precipitation	35.0 mm (1.4 in)	49 of 100 (Notable)
Anapa	Russia	Record daily precipitation	35.4 mm (1.4 in)	49 of 100 (Notable)
Sumy	Ukraine	Record daily precipitation	33.2 mm (1.3 in)	46 of 100 (Notable)
Wessington Springs	United States	Record high maximum temperature	27.8 C (82.0 F)	46 of 100 (Notable)
Lookout Pt Dam	United States	Record daily precipitation	46.0 mm (1.8 in)	45 of 100 (Notable)
Kredarica	Slovenia	Record daily precipitation	101.7 mm (4.0 in)	44 of 100 (Notable)
Cottage Grove Dam	United States	Record daily precipitation	47.8 mm (1.9 in)	44 of 100 (Notable)
Pony	United States	Record high minimum temperature	5.0 C (41.0 F)	43 of 100 (Notable)
Paradise Valley 1 NW	United States	Record high minimum temperature	6.1 C (43.0 F)	43 of 100 (Notable)
Powers	United States	Record daily precipitation	64.0 mm (2.5 in)	43 of 100 (Notable)
Romny	Ukraine	Record daily precipitation	31.8 mm (1.3 in)	42 of 100 (Notable)
Krasnaja Poljana	Russia	Record daily precipitation	76.9 mm (3.0 in)	41 of 100 (Notable)
Kharkiv	Ukraine	Record daily precipitation	26.4 mm (1.0 in)	41 of 100 (Notable)
Velykyi Burluk	Ukraine	Record daily precipitation	28.3 mm (1.1 in)	41 of 100 (Notable)
Poltava	Ukraine	Record daily precipitation	31.5 mm (1.2 in)	40 of 100 (Notable)
Ada	United States	Record high maximum temperature	22.8 C (73.0 F)	40 of 100 (Notable)
Cascadia	United States	Record daily precipitation	42.9 mm (1.7 in)	40 of 100 (Notable)
Siwa	Egypt	Record high maximum temperature	38.3 C (100.9 F)	39 of 100 (Notable)
Gotnja	Russia	Record daily precipitation	29.3 mm (1.2 in)	39 of 100 (Notable)
Stephan 2 NW	United States	Record high maximum temperature	27.8 C (82.0 F)	39 of 100 (Notable)
Webster	United States	Record high maximum temperature	24.4 C (75.9 F)	39 of 100 (Notable)
Fern Ridge-Veneta	United States	Record daily precipitation	40.4 mm (1.6 in)	38 of 100 (Notable)
Trubcevsk	Russia	Record daily precipitation	35.3 mm (1.4 in)	37 of 100 (Notable)
Timovskoe	Russia	Record high maximum temperature	9.1 C (48.4 F)	37 of 100 (Notable)
Leola	United States	Record high maximum temperature	23.3 C (73.9 F)	37 of 100 (Notable)
Kursk	Russia	Record daily precipitation	25.0 mm (1.0 in)	36 of 100 (Notable)
Clear Lake	United States	Record high maximum temperature	23.3 C (73.9 F)	36 of 100 (Notable)
Rylsk	Russia	Record daily precipitation	28.6 mm (1.1 in)	35 of 100 (Notable)
Konotop	Ukraine	Record daily precipitation	27.3 mm (1.1 in)	35 of 100 (Notable)
New Meadows Rs	United States	Record high minimum temperature	5.6 C (42.1 F)	35 of 100 (Notable)
Kluhorskij Pereval	Georgia	Record daily precipitation	65.9 mm (2.6 in)	34 of 100 (Routine)
Trostberg	Germany	Record daily precipitation	30.1 mm (1.2 in)	34 of 100 (Routine)
Conception	United States	Record high minimum temperature	15.6 C (60.1 F)	34 of 100 (Routine)
Elkton 3 SW	United States	Record daily precipitation	45.0 mm (1.8 in)	34 of 100 (Routine)
Zukovka	Russia	Record daily precipitation	30.2 mm (1.2 in)	33 of 100 (Routine)
Mankato	United States	Record high maximum temperature	26.1 C (79.0 F)	33 of 100 (Routine)
Toketee Falls	United States	Record daily precipitation	34.5 mm (1.4 in)	33 of 100 (Routine)
Winchester	United States	Record daily precipitation	36.6 mm (1.4 in)	33 of 100 (Routine)
Druzhba	Ukraine	Record daily precipitation	34.6 mm (1.4 in)	32 of 100 (Routine)
Priluky	Ukraine	Record daily precipitation	26.6 mm (1.0 in)	32 of 100 (Routine)
Veselyi Podil	Ukraine	Record daily precipitation	25.1 mm (1.0 in)	32 of 100 (Routine)
Bilovodsk	Ukraine	Record daily precipitation	26.4 mm (1.0 in)	32 of 100 (Routine)
Wibaux 2 E	United States	Record high maximum temperature	26.1 C (79.0 F)	32 of 100 (Routine)
Grand Forks UNIV (NWS)	United States	Record high maximum temperature	20.0 C (68.0 F)	32 of 100 (Routine)
Murdo	United States	Record high maximum temperature	28.3 C (82.9 F)	32 of 100 (Routine)
Upton	United States	Record high maximum temperature	22.2 C (72.0 F)	32 of 100 (Routine)
Canal V.O.C.	Venezuela	Record daily precipitation	128.9 mm (5.1 in)	32 of 100 (Routine)
Fordyce	United States	Record low minimum temperature	0.6 C (33.1 F)	31 of 100 (Routine)
Emmett 2 E	United States	Record high minimum temperature	12.2 C (54.0 F)	31 of 100 (Routine)
Spearfish	United States	Record high minimum temperature	10.0 C (50.0 F)	31 of 100 (Routine)
Lastovo	Croatia	Record high maximum temperature	24.1 C (75.4 F)	30 of 100 (Routine)
Neshaminy Falls	United States	Record high maximum temperature	28.9 C (84.0 F)	30 of 100 (Routine)
Midland	United States	Record high maximum temperature	28.3 C (82.9 F)	30 of 100 (Routine)

Counts by Type and Timescale

990 records

Records set or tied on 31 October 1990 by type: Highest daily maximum 324, Lowest daily maximum 14, Highest daily minimum 234, Lowest daily minimum 37, Heaviest daily rainfall 381.

Records on 31 October 1990 by type
Record type	Records
Highest daily maximum	324
Lowest daily maximum	14
Highest daily minimum	234
Lowest daily minimum	37
Heaviest daily rainfall	381
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 October 1990 by timescale: all-time 0, monthly 18, daily 972.

How Much Records Were Beaten By

837 broken records

Margins by which the 837 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 71.0. Ties are not counted.

Top 20 by Significance

31 October 1990

Top 20 records on 31 October 1990 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 October 1990	Ai-Petri, UA	monthly rain	116.0 mm (4.6 in)	32.9 mm (1.3 in)	65 years	69 of 100 (Major)
31 October 1990	Yalta, UA	monthly rain	89.8 mm (3.5 in)	35.9 mm (1.4 in)	25 years	67 of 100 (Major)
31 October 1990	Novorossijsk, RU	daily rain	36.8 mm (1.4 in)	15.0 mm (0.6 in)	98 years	56 of 100 (Notable)
31 October 1990	Harnosand, SE	daily rain	35.6 mm (1.4 in)	17.2 mm (0.7 in)	73 years	56 of 100 (Notable)
31 October 1990	Zhizdra, RU	daily rain	31.5 mm (1.2 in)	17.5 mm (0.7 in)	29 years	55 of 100 (Notable)
31 October 1990	La Poza Honda, MX	daily rain	66.3 mm (2.6 in)	66.3 mm (2.6 in)	37 years	54 of 100 (Notable)
31 October 1990	Orel, RU	daily rain	28.2 mm (1.1 in)	19.3 mm (0.8 in)	13 years	49 of 100 (Notable)
31 October 1990	Staryj Oskol, RU	daily rain	35.0 mm (1.4 in)	22.6 mm (0.9 in)	16 years	49 of 100 (Notable)
31 October 1990	Anapa, RU	daily rain	35.4 mm (1.4 in)	29.5 mm (1.2 in)	20 years	49 of 100 (Notable)
31 October 1990	Sumy, UA	daily rain	33.2 mm (1.3 in)	19.7 mm (0.8 in)	20 years	46 of 100 (Notable)
31 October 1990	Wessington Springs, US	daily high max	27.8 C (82.0 F)	5.6 C (10.1 F)	96 years	46 of 100 (Notable)
31 October 1990	Lookout Pt Dam, US	daily rain	46.0 mm (1.8 in)	32.0 mm (1.3 in)	7 years	45 of 100 (Notable)
31 October 1990	Kredarica, SI	daily rain	101.7 mm (4.0 in)	71.0 mm (2.8 in)	28 years	44 of 100 (Notable)
31 October 1990	Cottage Grove Dam, US	daily rain	47.8 mm (1.9 in)	28.7 mm (1.1 in)	45 years	44 of 100 (Notable)
31 October 1990	Pony, US	daily high min	5.0 C (41.0 F)	2.8 C (5.0 F)	95 years	43 of 100 (Notable)
31 October 1990	Paradise Valley 1 NW, US	daily high min	6.1 C (43.0 F)	2.8 C (5.0 F)	95 years	43 of 100 (Notable)
31 October 1990	Powers, US	daily rain	64.0 mm (2.5 in)	36.6 mm (1.4 in)	35 years	43 of 100 (Notable)
31 October 1990	Romny, UA	daily rain	31.8 mm (1.3 in)	19.5 mm (0.8 in)	11 years	42 of 100 (Notable)
31 October 1990	Krasnaja Poljana, RU	daily rain	76.9 mm (3.0 in)	44.5 mm (1.8 in)	36 years	41 of 100 (Notable)
31 October 1990	Kharkiv, UA	daily rain	26.4 mm (1.0 in)	17.3 mm (0.7 in)	16 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

1805 to 1990

Records set or tied on this calendar date in each year from 1805 to 1990. 1990 had 990 records.

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

Records on 10-31 in each year
Year	Records
1805	1
1811	2
1828	1
1836	1
1838	1
1839	1
1841	1
1845	1
1847	2
1848	1
1852	2
1856	1
1865	1
1868	1
1869	3
1873	2
1875	2
1876	1
1877	1
1878	1
1879	1
1880	1
1881	6
1883	1
1884	3
1886	1
1887	2
1888	3
1889	5
1891	3
1892	4
1893	3
1894	5
1895	4
1896	10
1897	1
1898	5
1899	4
1900	5
1901	4
1902	5
1903	5
1904	7
1905	21
1906	38
1907	22
1908	13
1909	15
1910	18
1911	32
1912	14
1913	39
1914	33
1915	11
1916	72
1917	67
1918	72
1919	112
1920	63
1921	22
1922	72
1923	359
1924	244
1925	405
1926	153
1927	183
1928	120
1929	234
1930	240
1931	178
1932	260
1933	796
1934	410
1935	981
1936	307
1937	335
1938	399
1939	415
1940	248
1941	536
1942	578
1943	213
1944	611
1945	287
1946	530
1947	371
1948	695
1949	831
1950	1,237
1951	527
1952	393
1953	303
1954	460
1955	427
1956	1,086
1957	392
1958	314
1959	484
1960	296
1961	511
1962	344
1963	631
1964	538
1965	340
1966	630
1967	748
1968	605
1969	531
1970	412
1971	992
1972	1,234
1973	581
1974	1,192
1975	827
1976	655
1977	616
1978	538
1979	1,130
1980	657
1981	497
1982	560
1983	782
1984	1,054
1985	632
1986	396
1987	1,002
1988	1,058
1989	857
1990	990
1991	3,294
1992	1,324
1993	2,926
1994	1,004
1995	1,051
1996	1,074
1997	1,553
1998	1,410
1999	997
2000	1,114
2001	1,218
2002	1,613
2003	1,167
2004	870
2005	1,048
2006	842
2007	613
2008	1,256
2009	1,030
2010	931
2011	746
2012	884
2013	623
2014	547
2015	691
2016	1,012
2017	437
2018	414
2019	2,501
2020	542
2021	469
2022	497
2023	960
2024	1,133
2025	314

Download the Data

Data for records on 1990-10-31: 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 10	761
10 to 20	53
20 to 30	14
30 to 40	4
40 to 50	3
50 to 60	0
60 to 70	1
70 to 80	1