Weather Records on 31 October 1999

997 weather records were set or tied worldwide on 31 October 1999. Highest significance: Black Springs Forestry, AU.

Key Facts for 31 October 1999

On 31 October 1999, 997 weather records were set or tied at long-record stations worldwide.
522 were record highs and 135 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 41 monthly and 956 daily.
Black Springs Forestry set a monthly record daily precipitation of 112.0 mm (4.4 in) on 31 October 1999.
Across 163 earlier years (1805 to 2025) the same calendar date averaged 468 records.

Record Map

997 stations

997 station records on 31 October 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 October 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Black Springs Forestry	Australia	Record daily precipitation	112.0 mm (4.4 in)	69 of 100 (Major)
Gilgandra (Wallumburrawang)	Australia	Record daily precipitation	52.6 mm (2.1 in)	69 of 100 (Major)
Manildra (Hazeldale)	Australia	Record daily precipitation	52.8 mm (2.1 in)	67 of 100 (Major)
Perola Park	Australia	Record daily precipitation	46.6 mm (1.8 in)	65 of 100 (Major)
Mendooran Post Office	Australia	Record daily precipitation	55.0 mm (2.2 in)	65 of 100 (Major)
Shooters Hill (Koora Koora)	Australia	Record daily precipitation	84.0 mm (3.3 in)	63 of 100 (Major)
Weilmoringle	Australia	Record daily precipitation	34.0 mm (1.3 in)	62 of 100 (Major)
Woodlands	Australia	Record daily precipitation	63.0 mm (2.5 in)	61 of 100 (Major)
Hargraves (the Elders)	Australia	Record daily precipitation	69.0 mm (2.7 in)	60 of 100 (Major)
Marra Creek (Womboin)	Australia	Record daily precipitation	42.0 mm (1.7 in)	59 of 100 (Notable)
Oberon (Gingkin)	Australia	Record daily precipitation	70.0 mm (2.8 in)	56 of 100 (Notable)
Lowther Park	Australia	Record daily precipitation	48.6 mm (1.9 in)	55 of 100 (Notable)
Trunkey Creek (Trunkey (Black	Australia	Record daily precipitation	75.0 mm (3.0 in)	54 of 100 (Notable)
Borenore Store	Australia	Record daily precipitation	61.5 mm (2.4 in)	52 of 100 (Notable)
Wansey Downs	Australia	Record daily precipitation	70.2 mm (2.8 in)	51 of 100 (Notable)
Peak Hill (Bruie Plains)	Australia	Record daily precipitation	38.4 mm (1.5 in)	51 of 100 (Notable)
Bathurst Agricultural Station	Australia	Record daily precipitation	46.0 mm (1.8 in)	51 of 100 (Notable)
Lithgow (Newnes Forest Centre)	Australia	Record daily precipitation	66.0 mm (2.6 in)	51 of 100 (Notable)
Ivanhoe Downs	Australia	Record daily precipitation	36.0 mm (1.4 in)	49 of 100 (Notable)
Cunnyana	Australia	Record daily precipitation	46.0 mm (1.8 in)	49 of 100 (Notable)
Goodooga (Mogila)	Australia	Record daily precipitation	49.2 mm (1.9 in)	49 of 100 (Notable)
Ilford (Warrangunyah)	Australia	Record daily precipitation	60.0 mm (2.4 in)	49 of 100 (Notable)
Black Springs (Swatchfield)	Australia	Record daily precipitation	72.0 mm (2.8 in)	49 of 100 (Notable)
Eugowra Post Office	Australia	Record daily precipitation	40.4 mm (1.6 in)	49 of 100 (Notable)
Aurland	Norway	Record daily precipitation	31.2 mm (1.2 in)	49 of 100 (Notable)
Alectown (Vanvilla)	Australia	Record daily precipitation	52.2 mm (2.1 in)	48 of 100 (Notable)
Coonamble Comparison	Australia	Record daily precipitation	33.2 mm (1.3 in)	48 of 100 (Notable)
O'Connell (Stratford)	Australia	Record daily precipitation	68.6 mm (2.7 in)	48 of 100 (Notable)
Valdez WSO	United States	Record daily snowfall	59.9 cm (23.6 in)	48 of 100 (Notable)
Little Hartley (Little Hartle	Australia	Record daily precipitation	42.0 mm (1.7 in)	47 of 100 (Notable)
Binnaway (Wattle St)	Australia	Record daily precipitation	38.0 mm (1.5 in)	47 of 100 (Notable)
Kota Kinabalu Intl	Malaysia	Record daily precipitation	126.0 mm (5.0 in)	47 of 100 (Notable)
Goodooga (Willawillingbah)	Australia	Record daily precipitation	61.0 mm (2.4 in)	46 of 100 (Notable)
Mudgee (George Street)	Australia	Record daily precipitation	56.2 mm (2.2 in)	46 of 100 (Notable)
Running Stream (Brooklyn)	Australia	Record daily precipitation	65.0 mm (2.6 in)	46 of 100 (Notable)
Oberon (Jenolan Caves)	Australia	Record daily precipitation	50.4 mm (2.0 in)	46 of 100 (Notable)
Molong (King St)	Australia	Record daily precipitation	50.0 mm (2.0 in)	46 of 100 (Notable)
Biddenham	Australia	Record daily precipitation	28.0 mm (1.1 in)	45 of 100 (Notable)
Ekari Park	Australia	Record daily precipitation	28.0 mm (1.1 in)	45 of 100 (Notable)
Mungallala	Australia	Record daily precipitation	32.4 mm (1.3 in)	45 of 100 (Notable)
Orange (Angullong)	Australia	Record daily precipitation	74.0 mm (2.9 in)	45 of 100 (Notable)
Cheetham Flats (Jundas)	Australia	Record daily precipitation	42.0 mm (1.7 in)	45 of 100 (Notable)
Kunming	China	Record daily precipitation	39.1 mm (1.5 in)	45 of 100 (Notable)
Anqing	China	Record daily precipitation	58.6 mm (2.3 in)	45 of 100 (Notable)
Chanal	Mexico	Record daily precipitation	55.6 mm (2.2 in)	45 of 100 (Notable)
Haines AP	United States	Record daily precipitation	42.7 mm (1.7 in)	45 of 100 (Notable)
Hill End Post Office	Australia	Record daily precipitation	46.6 mm (1.8 in)	44 of 100 (Notable)
Lithgow (Birdwood St)	Australia	Record daily precipitation	45.8 mm (1.8 in)	44 of 100 (Notable)
Eversfield	Australia	Record daily precipitation	35.0 mm (1.4 in)	43 of 100 (Notable)
Rosehill	Australia	Record daily precipitation	46.0 mm (1.8 in)	43 of 100 (Notable)
Goonumbla (Avondale)	Australia	Record daily precipitation	43.0 mm (1.7 in)	43 of 100 (Notable)
Oaknolia 2N	United States	Record daily precipitation	86.6 mm (3.4 in)	43 of 100 (Notable)
Hartford Wwtp	United States	Record high maximum temperature	24.4 C (75.9 F)	43 of 100 (Notable)
Goodooga (Brenda)	Australia	Record daily precipitation	40.0 mm (1.6 in)	42 of 100 (Notable)
Quambone (Sandy Camp)	Australia	Record daily precipitation	32.0 mm (1.3 in)	42 of 100 (Notable)
Ilford (Tara)	Australia	Record daily precipitation	56.6 mm (2.2 in)	42 of 100 (Notable)
Rockley Post Office	Australia	Record daily precipitation	56.2 mm (2.2 in)	42 of 100 (Notable)
Innsbruck	Austria	Record high minimum temperature	11.7 C (53.1 F)	42 of 100 (Notable)
Lichtentanne	Germany	Record high minimum temperature	9.4 C (48.9 F)	42 of 100 (Notable)
Orange (McLaughlin St)	Australia	Record daily precipitation	82.0 mm (3.2 in)	41 of 100 (Notable)

Counts by Type and Timescale

997 records

Records set or tied on 31 October 1999 by type: Highest daily maximum 377, Lowest daily maximum 33, Highest daily minimum 145, Lowest daily minimum 102, Heaviest daily rainfall 331, Heaviest daily snowfall 3, Deepest snow cover 6.

Records on 31 October 1999 by type
Record type	Records
Highest daily maximum	377
Lowest daily maximum	33
Highest daily minimum	145
Lowest daily minimum	102
Heaviest daily rainfall	331
Heaviest daily snowfall	3
Deepest snow cover	6

Records on 31 October 1999 by timescale: all-time 0, monthly 41, daily 956.

How Much Records Were Beaten By

785 broken records

Margins by which the 785 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 190.0. Ties are not counted.

Top 20 by Significance

31 October 1999

Top 20 records on 31 October 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 October 1999	Black Springs Forestry, AU	monthly rain	112.0 mm (4.4 in)	52.3 mm (2.1 in)	44 years	69 of 100 (Major)
31 October 1999	Gilgandra (Wallumburrawang), AU	daily rain	52.6 mm (2.1 in)	34.8 mm (1.4 in)	89 years	69 of 100 (Major)
31 October 1999	Manildra (Hazeldale), AU	daily rain	52.8 mm (2.1 in)	32.2 mm (1.3 in)	76 years	67 of 100 (Major)
31 October 1999	Perola Park, AU	daily rain	46.6 mm (1.8 in)	40.2 mm (1.6 in)	68 years	65 of 100 (Major)
31 October 1999	Mendooran Post Office, AU	daily rain	55.0 mm (2.2 in)	41.5 mm (1.6 in)	52 years	65 of 100 (Major)
31 October 1999	Shooters Hill (Koora Koora), AU	monthly rain	84.0 mm (3.3 in)	43.4 mm (1.7 in)	33 years	63 of 100 (Major)
31 October 1999	Weilmoringle, AU	daily rain	34.0 mm (1.3 in)	24.1 mm (0.9 in)	76 years	62 of 100 (Major)
31 October 1999	Woodlands, AU	daily rain	63.0 mm (2.5 in)	36.6 mm (1.4 in)	58 years	61 of 100 (Major)
31 October 1999	Hargraves (the Elders), AU	daily rain	69.0 mm (2.7 in)	35.7 mm (1.4 in)	76 years	60 of 100 (Major)
31 October 1999	Marra Creek (Womboin), AU	daily rain	42.0 mm (1.7 in)	21.2 mm (0.8 in)	89 years	59 of 100 (Notable)
31 October 1999	Oberon (Gingkin), AU	daily rain	70.0 mm (2.8 in)	42.1 mm (1.7 in)	34 years	56 of 100 (Notable)
31 October 1999	Lowther Park, AU	daily rain	48.6 mm (1.9 in)	36.7 mm (1.4 in)	34 years	55 of 100 (Notable)
31 October 1999	Trunkey Creek (Trunkey (Black, AU	monthly rain	75.0 mm (3.0 in)	10.2 mm (0.4 in)	83 years	54 of 100 (Notable)
31 October 1999	Borenore Store, AU	daily rain	61.5 mm (2.4 in)	23.7 mm (0.9 in)	76 years	52 of 100 (Notable)
31 October 1999	Wansey Downs, AU	daily rain	70.2 mm (2.8 in)	62.3 mm (2.5 in)	28 years	51 of 100 (Notable)
31 October 1999	Peak Hill (Bruie Plains), AU	daily rain	38.4 mm (1.5 in)	17.6 mm (0.7 in)	76 years	51 of 100 (Notable)
31 October 1999	Bathurst Agricultural Station, AU	daily rain	46.0 mm (1.8 in)	16.0 mm (0.6 in)	76 years	51 of 100 (Notable)
31 October 1999	Lithgow (Newnes Forest Centre), AU	daily rain	66.0 mm (2.6 in)	45.5 mm (1.8 in)	17 years	51 of 100 (Notable)
31 October 1999	Ivanhoe Downs, AU	daily rain	36.0 mm (1.4 in)	23.0 mm (0.9 in)	74 years	49 of 100 (Notable)
31 October 1999	Cunnyana, AU	daily rain	46.0 mm (1.8 in)	41.9 mm (1.6 in)	28 years	49 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 1999

Records set or tied on this calendar date in each year from 1805 to 1999. 1999 had 997 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 1999-10-31: 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 25	730
25 to 50	45
50 to 75	5
75 to 100	2
100 to 125	1
125 to 150	1
150 to 175	0
175 to 200	1