Weather Records on 30 October 1999

897 weather records were set or tied worldwide on 30 October 1999. Highest significance: Penong, AU.

Key Facts for 30 October 1999

On 30 October 1999, 897 weather records were set or tied at long-record stations worldwide.
463 were record highs and 151 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 19 monthly and 878 daily.
Penong set a daily record precipitation of 32.0 mm (1.3 in) on 30 October 1999.
Across 153 earlier years (1799 to 2025) the same calendar date averaged 487 records.

Record Map

897 stations

897 station records on 30 October 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 October 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Penong	Australia	Record daily precipitation	32.0 mm (1.3 in)	63 of 100 (Major)
Whittier	United States	Record snow depth	58.4 cm (23.0 in)	58 of 100 (Notable)
Gulnare	Australia	Record daily precipitation	27.2 mm (1.1 in)	57 of 100 (Notable)
Im. Poliny Osipenko	Russia	Record daily precipitation	27.9 mm (1.1 in)	51 of 100 (Notable)
Nanchong	China	Record daily precipitation	42.0 mm (1.7 in)	49 of 100 (Notable)
Gulargambone (Emby)	Australia	Record daily precipitation	32.0 mm (1.3 in)	48 of 100 (Notable)
Ceduna AMO	Australia	Record daily precipitation	27.2 mm (1.1 in)	46 of 100 (Notable)
Cloyne	Australia	Record daily precipitation	64.0 mm (2.5 in)	46 of 100 (Notable)
Thurlga	Australia	Record daily precipitation	27.0 mm (1.1 in)	44 of 100 (Notable)
Wirrulla	Australia	Record daily precipitation	28.8 mm (1.1 in)	44 of 100 (Notable)
Willeroo	Australia	Record daily precipitation	66.6 mm (2.6 in)	43 of 100 (Notable)
Smoky Bay (Puntabie)	Australia	Record daily precipitation	25.8 mm (1.0 in)	43 of 100 (Notable)
Wirrulla (Pimbena)	Australia	Record daily precipitation	32.0 mm (1.3 in)	43 of 100 (Notable)
Newkirk 5NE	United States	Record daily precipitation	62.0 mm (2.4 in)	43 of 100 (Notable)
Kondoolka	Australia	Record daily precipitation	32.6 mm (1.3 in)	42 of 100 (Notable)
Bodoe VI	Norway	Record daily precipitation	34.2 mm (1.3 in)	42 of 100 (Notable)
Sovetskaja Gavan	Russia	Record daily precipitation	58.2 mm (2.3 in)	42 of 100 (Notable)
Nundroo	Australia	Record daily precipitation	25.6 mm (1.0 in)	41 of 100 (Notable)
Buckleboo (Hi-View)	Australia	Record daily precipitation	29.0 mm (1.1 in)	41 of 100 (Notable)
Sonnblick	Austria	Record high minimum temperature	0.8 C (33.4 F)	41 of 100 (Notable)
Okeene	United States	Record daily precipitation	61.7 mm (2.4 in)	41 of 100 (Notable)
Kunming	China	Record daily precipitation	42.6 mm (1.7 in)	40 of 100 (Notable)
Yurecuaro	Mexico	Record low minimum temperature	3.9 C (39.0 F)	40 of 100 (Notable)
Dayton Mcd	United States	Record high maximum temperature	27.8 C (82.0 F)	40 of 100 (Notable)
Forks 1 E	United States	Record daily precipitation	100.1 mm (3.9 in)	40 of 100 (Notable)
Arizona	Australia	Record daily precipitation	30.0 mm (1.2 in)	39 of 100 (Notable)
Aachen	Germany	Record high maximum temperature	22.0 C (71.6 F)	39 of 100 (Notable)
Stornoway Airport	United Kingdom	Record high maximum temperature	15.1 C (59.2 F)	39 of 100 (Notable)
Logansport Cicott St	United States	Record high maximum temperature	24.4 C (75.9 F)	39 of 100 (Notable)
Fremont	United States	Record high maximum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
Lowestoft	United Kingdom	Record high minimum temperature	12.9 C (55.2 F)	38 of 100 (Notable)
Presa Malpais	Mexico	Record low minimum temperature	-2.2 C (28.0 F)	36 of 100 (Notable)
Glomfjord	Norway	Record daily precipitation	64.5 mm (2.5 in)	36 of 100 (Notable)
Lookeba 1 N	United States	Record daily precipitation	74.9 mm (2.9 in)	36 of 100 (Notable)
Munchen-Nymphenburg	Germany	Record high minimum temperature	11.0 C (51.8 F)	35 of 100 (Notable)
Despoblado	Mexico	Record low minimum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Quetzala	Mexico	Record low minimum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Live Oak	United States	Record high minimum temperature	21.7 C (71.1 F)	35 of 100 (Notable)
Saint Ignatius	United States	Record high maximum temperature	19.4 C (66.9 F)	35 of 100 (Notable)
Quillayute AP	United States	Record daily precipitation	92.5 mm (3.6 in)	35 of 100 (Notable)
Mae Sariang	Thailand	Record daily precipitation	43.9 mm (1.7 in)	34 of 100 (Routine)
Hennessey 4 ESE	United States	Record daily precipitation	63.2 mm (2.5 in)	34 of 100 (Routine)
Stillwater 2 W	United States	Record daily precipitation	83.1 mm (3.3 in)	34 of 100 (Routine)
Bellingham Intl AP	United States	Record daily precipitation	31.5 mm (1.2 in)	34 of 100 (Routine)
Bologna	Italy	Record high minimum temperature	14.9 C (58.8 F)	33 of 100 (Routine)
Cahuacan	Mexico	Record low minimum temperature	17.8 C (64.0 F)	33 of 100 (Routine)
Elgin Water	United States	Record high maximum temperature	25.6 C (78.1 F)	33 of 100 (Routine)
Baton Rouge Metro AP	United States	Record daily precipitation	60.5 mm (2.4 in)	33 of 100 (Routine)
Mabel Downs	Australia	Record daily precipitation	29.0 mm (1.1 in)	32 of 100 (Routine)
Graz	Austria	Record high minimum temperature	10.7 C (51.3 F)	32 of 100 (Routine)
Kaiserslautern	Germany	Record high maximum temperature	20.4 C (68.7 F)	32 of 100 (Routine)
El Zapote	Mexico	Record high minimum temperature	26.1 C (79.0 F)	32 of 100 (Routine)
Boatman Station	Australia	Record daily precipitation	29.0 mm (1.1 in)	31 of 100 (Routine)
Bordeaux-Merignac	France	Record high maximum temperature	22.7 C (72.9 F)	31 of 100 (Routine)
Dijon-Longvic	France	Record high maximum temperature	22.1 C (71.8 F)	31 of 100 (Routine)
El Burrero	Mexico	Record low minimum temperature	6.7 C (44.1 F)	31 of 100 (Routine)
Alvaro Obregon	Mexico	Record daily precipitation	69.9 mm (2.8 in)	31 of 100 (Routine)
Maastricht	Netherlands	Record high maximum temperature	20.7 C (69.3 F)	31 of 100 (Routine)
Ft Duchesne	United States	Record high maximum temperature	26.1 C (79.0 F)	31 of 100 (Routine)
Ciudad Serdan (Smn)	Mexico	Record low minimum temperature	-4.4 C (24.1 F)	30 of 100 (Routine)

Counts by Type and Timescale

897 records

Records set or tied on 30 October 1999 by type: Highest daily maximum 312, Lowest daily maximum 33, Highest daily minimum 151, Lowest daily minimum 118, Heaviest daily rainfall 278, Deepest snow cover 5.

Records on 30 October 1999 by type
Record type	Records
Highest daily maximum	312
Lowest daily maximum	33
Highest daily minimum	151
Lowest daily minimum	118
Heaviest daily rainfall	278
Heaviest daily snowfall	0
Deepest snow cover	5

Records on 30 October 1999 by timescale: all-time 0, monthly 19, daily 878.

How Much Records Were Beaten By

722 broken records

Margins by which the 722 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 330.0. Ties are not counted.

Top 20 by Significance

30 October 1999

Top 20 records on 30 October 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 October 1999	Penong, AU	daily rain	32.0 mm (1.3 in)	15.5 mm (0.6 in)	84 years	63 of 100 (Major)
30 October 1999	Whittier, US	daily snow depth	58.4 cm (23.0 in)	33.0 cm (13.0 in)	45 years	58 of 100 (Notable)
30 October 1999	Gulnare, AU	daily rain	27.2 mm (1.1 in)	15.3 mm (0.6 in)	92 years	57 of 100 (Notable)
30 October 1999	Im. Poliny Osipenko, RU	daily rain	27.9 mm (1.1 in)	23.5 mm (0.9 in)	32 years	51 of 100 (Notable)
30 October 1999	Nanchong, CN	daily rain	42.0 mm (1.7 in)	29.1 mm (1.1 in)	48 years	49 of 100 (Notable)
30 October 1999	Gulargambone (Emby), AU	daily rain	32.0 mm (1.3 in)	18.0 mm (0.7 in)	68 years	48 of 100 (Notable)
30 October 1999	Ceduna AMO, AU	daily rain	27.2 mm (1.1 in)	17.5 mm (0.7 in)	44 years	46 of 100 (Notable)
30 October 1999	Cloyne, AU	daily rain	64.0 mm (2.5 in)	58.0 mm (2.3 in)	12 years	46 of 100 (Notable)
30 October 1999	Thurlga, AU	daily rain	27.0 mm (1.1 in)	16.3 mm (0.6 in)	44 years	44 of 100 (Notable)
30 October 1999	Wirrulla, AU	daily rain	28.8 mm (1.1 in)	13.6 mm (0.5 in)	44 years	44 of 100 (Notable)
30 October 1999	Willeroo, AU	monthly rain	66.6 mm (2.6 in)	10.7 mm (0.4 in)	45 years	43 of 100 (Notable)
30 October 1999	Smoky Bay (Puntabie), AU	daily rain	25.8 mm (1.0 in)	13.6 mm (0.5 in)	44 years	43 of 100 (Notable)
30 October 1999	Wirrulla (Pimbena), AU	daily rain	32.0 mm (1.3 in)	30.4 mm (1.2 in)	0 years	43 of 100 (Notable)
30 October 1999	Newkirk 5NE, US	daily rain	62.0 mm (2.4 in)	20.3 mm (0.8 in)	76 years	43 of 100 (Notable)
30 October 1999	Kondoolka, AU	daily rain	32.6 mm (1.3 in)	14.6 mm (0.6 in)	44 years	42 of 100 (Notable)
30 October 1999	Bodoe VI, NO	daily rain	34.2 mm (1.3 in)	17.8 mm (0.7 in)	41 years	42 of 100 (Notable)
30 October 1999	Sovetskaja Gavan, RU	daily rain	58.2 mm (2.3 in)	19.2 mm (0.8 in)	72 years	42 of 100 (Notable)
30 October 1999	Nundroo, AU	daily rain	25.6 mm (1.0 in)	16.6 mm (0.7 in)	22 years	41 of 100 (Notable)
30 October 1999	Buckleboo (Hi-View), AU	daily rain	29.0 mm (1.1 in)	22.0 mm (0.9 in)	24 years	41 of 100 (Notable)
30 October 1999	Sonnblick, AT	daily high min	0.8 C (33.4 F)	0.8 C (1.4 F)	110 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 1999

Records set or tied on this calendar date in each year from 1799 to 1999. 1999 had 897 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 1999-10-30: 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 50	720
50 to 100	1
100 to 150	0
150 to 200	0
200 to 250	0
250 to 300	0
300 to 350	1