Weather Records on 30 October 1975

427 weather records were set or tied worldwide on 30 October 1975. Highest significance: Waterloo, AU.

Key Facts for 30 October 1975

On 30 October 1975, 427 weather records were set or tied at long-record stations worldwide.
88 were record highs and 115 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 32 monthly and 395 daily.
Waterloo set a daily record precipitation of 50.8 mm (2.0 in) on 30 October 1975.
Across 153 earlier years (1799 to 2025) the same calendar date averaged 491 records.

Record Map

427 stations

427 station records on 30 October 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 October 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Waterloo	Australia	Record daily precipitation	50.8 mm (2.0 in)	60 of 100 (Major)
Tynda	Russia	Record daily precipitation	47.0 mm (1.9 in)	59 of 100 (Notable)
Nutwood Downs	Australia	Record daily precipitation	45.0 mm (1.8 in)	53 of 100 (Notable)
Balliang East	Australia	Record daily precipitation	29.4 mm (1.2 in)	52 of 100 (Notable)
Manbulloo	Australia	Record daily precipitation	49.0 mm (1.9 in)	47 of 100 (Notable)
Katherine Council	Australia	Record daily precipitation	51.8 mm (2.0 in)	46 of 100 (Notable)
Concrete Ppl Fish STN	United States	Record daily precipitation	60.7 mm (2.4 in)	46 of 100 (Notable)
Quorn (Olive Grove)	Australia	Record daily precipitation	31.0 mm (1.2 in)	43 of 100 (Notable)
Laguna Beach	United States	Record daily precipitation	25.4 mm (1.0 in)	40 of 100 (Notable)
Sonnblick	Austria	Record high maximum temperature	3.9 C (39.0 F)	37 of 100 (Notable)
Saint Paul Is AP	United States	Record low maximum temperature	-2.2 C (28.0 F)	37 of 100 (Notable)
Antonio Prado	Brazil	Record daily precipitation	68.6 mm (2.7 in)	36 of 100 (Notable)
Stampede Pass	United States	Record snow depth	63.5 cm (25.0 in)	36 of 100 (Notable)
Cordova AP	United States	Record low minimum temperature	-16.1 C (3.0 F)	36 of 100 (Notable)
Flora Valley Old	Australia	Record daily precipitation	26.6 mm (1.0 in)	35 of 100 (Notable)
Rio Grande City	United States	Record daily precipitation	25.7 mm (1.0 in)	35 of 100 (Notable)
Nome AP	United States	Record low maximum temperature	-12.8 C (9.0 F)	35 of 100 (Notable)
Spring Creek	Australia	Record daily precipitation	69.0 mm (2.7 in)	34 of 100 (Routine)
Gulkana AP	United States	Record low maximum temperature	-15.6 C (3.9 F)	34 of 100 (Routine)
Clear Lake	Australia	Record daily precipitation	25.0 mm (1.0 in)	33 of 100 (Routine)
University Exp STN	United States	Record low minimum temperature	-30.0 C (-22.0 F)	32 of 100 (Routine)
Lissadell	Australia	Record daily precipitation	28.0 mm (1.1 in)	31 of 100 (Routine)
Battle Ground	United States	Record daily precipitation	36.1 mm (1.4 in)	31 of 100 (Routine)
Cordova AP	United States	Record low maximum temperature	-6.1 C (21.0 F)	31 of 100 (Routine)
Seward AP	United States	Record low maximum temperature	-7.8 C (18.0 F)	31 of 100 (Routine)
Nenana Muni AP	United States	Record low minimum temperature	-34.4 C (-29.9 F)	29 of 100 (Routine)
Talkeetna AP	United States	Record low maximum temperature	-10.6 C (12.9 F)	29 of 100 (Routine)
Annapolis Royal	Canada	Record daily precipitation	29.2 mm (1.1 in)	28 of 100 (Routine)
Poronajsk	Russia	Record low maximum temperature	-1.7 C (28.9 F)	28 of 100 (Routine)
Kayenta	United States	Record low minimum temperature	-9.4 C (15.1 F)	28 of 100 (Routine)
Le Grand	United States	Record daily precipitation	31.8 mm (1.3 in)	28 of 100 (Routine)
Fruitland	United States	Record high maximum temperature	26.1 C (79.0 F)	28 of 100 (Routine)
Summit WSO AP	United States	Record low maximum temperature	-20.6 C (-5.1 F)	28 of 100 (Routine)
Coppermine	Canada	Record low maximum temperature	-25.6 C (-14.1 F)	27 of 100 (Routine)
Cochrane	Canada	Record low minimum temperature	-13.3 C (8.1 F)	27 of 100 (Routine)
Semej	Kazakhstan	Record high minimum temperature	7.6 C (45.7 F)	27 of 100 (Routine)
Huntington Lake	United States	Record snow depth	15.2 cm (6.0 in)	27 of 100 (Routine)
Stephan 2 NW	United States	Record high maximum temperature	25.6 C (78.1 F)	27 of 100 (Routine)
Darrington Rs	United States	Record daily precipitation	64.0 mm (2.5 in)	27 of 100 (Routine)
Big Delta AP	United States	Record low minimum temperature	-36.7 C (-34.1 F)	27 of 100 (Routine)
Carcross	Canada	Record low minimum temperature	-18.3 C (-0.9 F)	26 of 100 (Routine)
Longmire Rainier Nps	United States	Record daily precipitation	42.4 mm (1.7 in)	26 of 100 (Routine)
Allakaket	United States	Record low minimum temperature	-39.4 C (-38.9 F)	26 of 100 (Routine)
Seward AP	United States	Record low minimum temperature	-10.6 C (12.9 F)	26 of 100 (Routine)
Jerilderie (Pooginook)	Australia	Record daily precipitation	26.0 mm (1.0 in)	25 of 100 (Routine)
Mayo A	Canada	Record low maximum temperature	-15.6 C (3.9 F)	25 of 100 (Routine)
Cambridge Bay A	Canada	Record low minimum temperature	-32.2 C (-26.0 F)	25 of 100 (Routine)
Rainer Ohanapecosh	United States	Record daily precipitation	40.9 mm (1.6 in)	25 of 100 (Routine)
Torungen Fyr	Norway	Record high minimum temperature	10.0 C (50.0 F)	24 of 100 (Routine)
Huntington Lake	United States	Record daily snowfall	15.2 cm (6.0 in)	24 of 100 (Routine)
Lnai Culture & Heritage Ctr	United States	Record low maximum temperature	21.1 C (70.0 F)	24 of 100 (Routine)
San Pedro Chenalho (Smn)	Mexico	Record daily precipitation	42.9 mm (1.7 in)	23 of 100 (Routine)
Rubcovsk	Russia	Record high minimum temperature	6.8 C (44.2 F)	23 of 100 (Routine)
Paisley	United Kingdom	Record high maximum temperature	14.9 C (58.8 F)	23 of 100 (Routine)
Ft Bayard 4W	United States	Record high minimum temperature	8.3 C (46.9 F)	23 of 100 (Routine)
Eagle	United States	Record low maximum temperature	-20.0 C (-4.0 F)	23 of 100 (Routine)
Mataranka Homestead Resort	Australia	Record daily precipitation	36.8 mm (1.4 in)	22 of 100 (Routine)
Macarthur (Post Office)	Australia	Record daily precipitation	29.6 mm (1.2 in)	22 of 100 (Routine)
Paso de San Antonio	Mexico	Record low maximum temperature	18.9 C (66.0 F)	22 of 100 (Routine)
Faerder Fyr	Norway	Record high minimum temperature	11.0 C (51.8 F)	22 of 100 (Routine)

Counts by Type and Timescale

427 records

Records set or tied on 30 October 1975 by type: Highest daily maximum 37, Lowest daily maximum 61, Highest daily minimum 51, Lowest daily minimum 54, Heaviest daily rainfall 212, Heaviest daily snowfall 9, Deepest snow cover 3.

Records on 30 October 1975 by type
Record type	Records
Highest daily maximum	37
Lowest daily maximum	61
Highest daily minimum	51
Lowest daily minimum	54
Heaviest daily rainfall	212
Heaviest daily snowfall	9
Deepest snow cover	3

Records on 30 October 1975 by timescale: all-time 0, monthly 32, daily 395.

How Much Records Were Beaten By

363 broken records

Margins by which the 363 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 305.0. Ties are not counted.

Top 20 by Significance

30 October 1975

Top 20 records on 30 October 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 October 1975	Waterloo, AU	daily rain	50.8 mm (2.0 in)	41.7 mm (1.6 in)	48 years	60 of 100 (Major)
30 October 1975	Tynda, RU	monthly rain	47.0 mm (1.9 in)	22.5 mm (0.9 in)	19 years	59 of 100 (Notable)
30 October 1975	Nutwood Downs, AU	daily rain	45.0 mm (1.8 in)	43.7 mm (1.7 in)	32 years	53 of 100 (Notable)
30 October 1975	Balliang East, AU	daily rain	29.4 mm (1.2 in)	21.0 mm (0.8 in)	29 years	52 of 100 (Notable)
30 October 1975	Manbulloo, AU	daily rain	49.0 mm (1.9 in)	46.0 mm (1.8 in)	45 years	47 of 100 (Notable)
30 October 1975	Katherine Council, AU	daily rain	51.8 mm (2.0 in)	18.0 mm (0.7 in)	81 years	46 of 100 (Notable)
30 October 1975	Concrete Ppl Fish STN, US	daily rain	60.7 mm (2.4 in)	34.3 mm (1.4 in)	36 years	46 of 100 (Notable)
30 October 1975	Quorn (Olive Grove), AU	daily rain	31.0 mm (1.2 in)	10.7 mm (0.4 in)	83 years	43 of 100 (Notable)
30 October 1975	Laguna Beach, US	daily rain	25.4 mm (1.0 in)	19.6 mm (0.8 in)	29 years	40 of 100 (Notable)
30 October 1975	Sonnblick, AT	daily high max	3.9 C (39.0 F)	0.9 C (1.6 F)	86 years	37 of 100 (Notable)
30 October 1975	Saint Paul Is AP, US	monthly low max	-2.2 C (28.0 F)	1.1 C (2.0 F)	58 years	37 of 100 (Notable)
30 October 1975	Antonio Prado, BR	daily rain	68.6 mm (2.7 in)	45.5 mm (1.8 in)	29 years	36 of 100 (Notable)
30 October 1975	Stampede Pass, US	daily snow depth	63.5 cm (25.0 in)	30.5 cm (12.0 in)	18 years	36 of 100 (Notable)
30 October 1975	Cordova AP, US	monthly low min	-16.1 C (3.0 F)	2.8 C (5.0 F)	45 years	36 of 100 (Notable)
30 October 1975	Flora Valley Old, AU	daily rain	26.6 mm (1.0 in)	10.1 mm (0.4 in)	60 years	35 of 100 (Notable)
30 October 1975	Rio Grande City, US	daily rain	25.7 mm (1.0 in)	9.2 mm (0.36 in)	70 years	35 of 100 (Notable)
30 October 1975	Nome AP, US	monthly low max	-12.8 C (9.0 F)	0.6 C (1.1 F)	57 years	35 of 100 (Notable)
30 October 1975	Spring Creek, AU	monthly rain	69.0 mm (2.7 in)	19.0 mm (0.7 in)	0 years	34 of 100 (Routine)
30 October 1975	Gulkana AP, US	monthly low max	-15.6 C (3.9 F)	0.6 C (1.1 F)	57 years	34 of 100 (Routine)
30 October 1975	Clear Lake, AU	daily rain	25.0 mm (1.0 in)	11.3 mm (0.4 in)	22 years	33 of 100 (Routine)

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 1975

Records set or tied on this calendar date in each year from 1799 to 1975. 1975 had 427 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 1975-10-30: 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	359
50 to 100	3
100 to 150	0
150 to 200	0
200 to 250	0
250 to 300	0
300 to 350	1