Weather Records on 31 October 1975

827 weather records were set or tied worldwide on 31 October 1975. Highest significance: Maldon (Derby Hill), AU.

Key Facts for 31 October 1975

On 31 October 1975, 827 weather records were set or tied at long-record stations worldwide.
136 were record highs and 294 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 57 monthly and 770 daily.
Maldon (Derby Hill) set a daily record precipitation of 48.6 mm (1.9 in) on 31 October 1975.
Across 163 earlier years (1805 to 2025) the same calendar date averaged 469 records.

Record Map

827 stations

827 station records on 31 October 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 October 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Maldon (Derby Hill)	Australia	Record daily precipitation	48.6 mm (1.9 in)	75 of 100 (Major)
Malmsbury Reservoir	Australia	Record daily precipitation	41.8 mm (1.6 in)	71 of 100 (Major)
Barkers Creek Reservoir	Australia	Record daily precipitation	41.4 mm (1.6 in)	66 of 100 (Major)
Fryerstown	Australia	Record daily precipitation	39.0 mm (1.5 in)	64 of 100 (Major)
Laanecoorie Weir	Australia	Record daily precipitation	29.4 mm (1.2 in)	62 of 100 (Major)
Inglewood (Post Office)	Australia	Record daily precipitation	26.0 mm (1.0 in)	58 of 100 (Notable)
Dunolly	Australia	Record daily precipitation	26.4 mm (1.0 in)	58 of 100 (Notable)
Deer Park	Australia	Record daily precipitation	28.8 mm (1.1 in)	57 of 100 (Notable)
Kilmore Assumption College	Australia	Record daily precipitation	39.0 mm (1.5 in)	56 of 100 (Notable)
Coliban Upper	Australia	Record daily precipitation	42.0 mm (1.7 in)	55 of 100 (Notable)
Little River (Mount Rothwell)	Australia	Record daily precipitation	28.4 mm (1.1 in)	52 of 100 (Notable)
Beaufort	Australia	Record daily precipitation	35.6 mm (1.4 in)	52 of 100 (Notable)
Bella Coola	Canada	Record daily precipitation	82.3 mm (3.2 in)	52 of 100 (Notable)
Daylesford	Australia	Record daily precipitation	43.4 mm (1.7 in)	51 of 100 (Notable)
Cape Schanck Lighthouse	Australia	Record daily precipitation	26.8 mm (1.1 in)	50 of 100 (Notable)
Macedon Forestry	Australia	Record daily precipitation	29.6 mm (1.2 in)	50 of 100 (Notable)
Campbelltown	Australia	Record daily precipitation	42.0 mm (1.7 in)	50 of 100 (Notable)
Newstead	Australia	Record daily precipitation	35.6 mm (1.4 in)	49 of 100 (Notable)
Texas Downs	Australia	Record daily precipitation	84.0 mm (3.3 in)	48 of 100 (Notable)
Tarnagulla	Australia	Record daily precipitation	31.4 mm (1.2 in)	48 of 100 (Notable)
Beales Reservoir	Australia	Record daily precipitation	27.2 mm (1.1 in)	46 of 100 (Notable)
Redesdale	Australia	Record daily precipitation	32.2 mm (1.3 in)	46 of 100 (Notable)
Qacha's Nek	Lesotho	Record daily precipitation	50.5 mm (2.0 in)	46 of 100 (Notable)
Bungaree (Kirks Reservoir)	Australia	Record daily precipitation	29.4 mm (1.2 in)	45 of 100 (Notable)
Elaine (Larundel)	Australia	Record daily precipitation	30.4 mm (1.2 in)	45 of 100 (Notable)
Berrybank	Australia	Record daily precipitation	27.8 mm (1.1 in)	45 of 100 (Notable)
St Arnaud (Coonooer Bridge)	Australia	Record daily precipitation	28.8 mm (1.1 in)	43 of 100 (Notable)
Eberys	Australia	Record daily precipitation	35.0 mm (1.4 in)	43 of 100 (Notable)
Joyces Creek	Australia	Record daily precipitation	31.6 mm (1.2 in)	43 of 100 (Notable)
Shepherds Flat	Australia	Record daily precipitation	38.6 mm (1.5 in)	43 of 100 (Notable)
Barunah Plains	Australia	Record daily precipitation	34.6 mm (1.4 in)	43 of 100 (Notable)
Trawalla	Australia	Record daily precipitation	31.8 mm (1.3 in)	43 of 100 (Notable)
Canton 4 SE	United States	Record low minimum temperature	-10.6 C (12.9 F)	43 of 100 (Notable)
Fort McPherson	Canada	Record daily snowfall	28.7 cm (11.3 in)	42 of 100 (Notable)
Bridgewater (Memsie)	Australia	Record daily precipitation	32.8 mm (1.3 in)	40 of 100 (Notable)
Lancefield	Australia	Record daily precipitation	27.6 mm (1.1 in)	40 of 100 (Notable)
Fort McPherson	Canada	Record daily precipitation	28.7 mm (1.1 in)	40 of 100 (Notable)
Yellowknife A	Canada	Record daily snowfall	12.7 cm (5.0 in)	40 of 100 (Notable)
Darwin Loco Works	Australia	Record daily precipitation	45.2 mm (1.8 in)	39 of 100 (Notable)
Avoca (Post Office)	Australia	Record daily precipitation	27.4 mm (1.1 in)	39 of 100 (Notable)
Tullaroop Reservoir	Australia	Record daily precipitation	31.4 mm (1.2 in)	39 of 100 (Notable)
Smythesdale	Australia	Record daily precipitation	30.0 mm (1.2 in)	39 of 100 (Notable)
Tandarra	Australia	Record daily precipitation	37.8 mm (1.5 in)	38 of 100 (Notable)
Mansfield (Post Office)	Australia	Record daily precipitation	26.0 mm (1.0 in)	38 of 100 (Notable)
Mount Macedon (Burncranna)	Australia	Record daily precipitation	32.0 mm (1.3 in)	38 of 100 (Notable)
Grand Falls	Canada	Record daily snowfall	22.9 cm (9.0 in)	38 of 100 (Notable)
Arecibo 3 ESE	Puerto Rico [United States]	Record daily precipitation	61.0 mm (2.4 in)	38 of 100 (Notable)
Stornoway Airport	United Kingdom	Record high minimum temperature	11.1 C (52.0 F)	38 of 100 (Notable)
Wangaratta	Australia	Record daily precipitation	36.4 mm (1.4 in)	37 of 100 (Notable)
Broadford Golf Course	Australia	Record daily precipitation	31.8 mm (1.3 in)	37 of 100 (Notable)
Woodend (Carlisle Street)	Australia	Record daily precipitation	33.4 mm (1.3 in)	37 of 100 (Notable)
Dawson	Canada	Record low minimum temperature	-31.1 C (-24.0 F)	37 of 100 (Notable)
Dublin Phoenix Park	Ireland	Record high minimum temperature	12.3 C (54.1 F)	37 of 100 (Notable)
Woodend (Corinella Road)	Australia	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Arcade	United States	Record low maximum temperature	0.6 C (33.1 F)	36 of 100 (Notable)
Geelong Salines (Moolap)	Australia	Record daily precipitation	25.2 mm (1.0 in)	35 of 100 (Notable)
Sydney A	Canada	Record daily snowfall	11.4 cm (4.5 in)	35 of 100 (Notable)
Natal Est, Mount Edg	South Africa	Record daily precipitation	37.6 mm (1.5 in)	35 of 100 (Notable)
Gibb River	Australia	Record daily precipitation	58.8 mm (2.3 in)	34 of 100 (Routine)
Balliang East (Chesney)	Australia	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)

Counts by Type and Timescale

827 records

Records set or tied on 31 October 1975 by type: Highest daily maximum 45, Lowest daily maximum 113, Highest daily minimum 91, Lowest daily minimum 181, Heaviest daily rainfall 368, Heaviest daily snowfall 28, Deepest snow cover 1.

Records on 31 October 1975 by type
Record type	Records
Highest daily maximum	45
Lowest daily maximum	113
Highest daily minimum	91
Lowest daily minimum	181
Heaviest daily rainfall	368
Heaviest daily snowfall	28
Deepest snow cover	1

Records on 31 October 1975 by timescale: all-time 0, monthly 57, daily 770.

How Much Records Were Beaten By

715 broken records

Margins by which the 715 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 204.0. Ties are not counted.

Top 20 by Significance

31 October 1975

Top 20 records on 31 October 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 October 1975	Maldon (Derby Hill), AU	daily rain	48.6 mm (1.9 in)	35.9 mm (1.4 in)	89 years	75 of 100 (Major)
31 October 1975	Malmsbury Reservoir, AU	daily rain	41.8 mm (1.6 in)	21.7 mm (0.9 in)	101 years	71 of 100 (Major)
31 October 1975	Barkers Creek Reservoir, AU	daily rain	41.4 mm (1.6 in)	24.9 mm (1.0 in)	80 years	66 of 100 (Major)
31 October 1975	Fryerstown, AU	daily rain	39.0 mm (1.5 in)	24.0 mm (0.9 in)	89 years	64 of 100 (Major)
31 October 1975	Laanecoorie Weir, AU	daily rain	29.4 mm (1.2 in)	20.3 mm (0.8 in)	80 years	62 of 100 (Major)
31 October 1975	Inglewood (Post Office), AU	daily rain	26.0 mm (1.0 in)	17.1 mm (0.7 in)	89 years	58 of 100 (Notable)
31 October 1975	Dunolly, AU	daily rain	26.4 mm (1.0 in)	16.2 mm (0.6 in)	89 years	58 of 100 (Notable)
31 October 1975	Deer Park, AU	daily rain	28.8 mm (1.1 in)	19.4 mm (0.8 in)	58 years	57 of 100 (Notable)
31 October 1975	Kilmore Assumption College, AU	daily rain	39.0 mm (1.5 in)	15.9 mm (0.6 in)	89 years	56 of 100 (Notable)
31 October 1975	Coliban Upper, AU	daily rain	42.0 mm (1.7 in)	29.0 mm (1.1 in)	26 years	55 of 100 (Notable)
31 October 1975	Little River (Mount Rothwell), AU	daily rain	28.4 mm (1.1 in)	12.9 mm (0.5 in)	68 years	52 of 100 (Notable)
31 October 1975	Beaufort, AU	daily rain	35.6 mm (1.4 in)	15.8 mm (0.6 in)	64 years	52 of 100 (Notable)
31 October 1975	Bella Coola, CA	daily rain	82.3 mm (3.2 in)	30.0 mm (1.2 in)	73 years	52 of 100 (Notable)
31 October 1975	Daylesford, AU	daily rain	43.4 mm (1.7 in)	9.1 mm (0.36 in)	101 years	51 of 100 (Notable)
31 October 1975	Cape Schanck Lighthouse, AU	daily rain	26.8 mm (1.1 in)	8.5 mm (0.33 in)	89 years	50 of 100 (Notable)
31 October 1975	Macedon Forestry, AU	daily rain	29.6 mm (1.2 in)	11.6 mm (0.5 in)	89 years	50 of 100 (Notable)
31 October 1975	Campbelltown, AU	daily rain	42.0 mm (1.7 in)	30.6 mm (1.2 in)	8 years	50 of 100 (Notable)
31 October 1975	Newstead, AU	daily rain	35.6 mm (1.4 in)	26.7 mm (1.1 in)	8 years	49 of 100 (Notable)
31 October 1975	Texas Downs, AU	monthly rain	84.0 mm (3.3 in)	33.2 mm (1.3 in)	25 years	48 of 100 (Notable)
31 October 1975	Tarnagulla, AU	daily rain	31.4 mm (1.2 in)	22.5 mm (0.9 in)	26 years	48 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 1975

Records set or tied on this calendar date in each year from 1805 to 1975. 1975 had 827 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 1975-10-31: 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 50	706
50 to 100	5
100 to 150	2
150 to 200	0
200 to 250	2