Weather Records on 27 October 1975

424 weather records were set or tied worldwide on 27 October 1975. Highest significance: Lake Yellowstone, US.

Key Facts for 27 October 1975

On 27 October 1975, 424 weather records were set or tied at long-record stations worldwide.
107 were record highs and 87 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 23 monthly and 401 daily.
Lake Yellowstone set a monthly record snow depth of 61.0 cm (24.0 in) on 27 October 1975.
Across 159 earlier years (1802 to 2025) the same calendar date averaged 479 records.

Record Map

424 stations

424 station records on 27 October 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 October 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lake Yellowstone	United States	Record snow depth	61.0 cm (24.0 in)	62 of 100 (Major)
Bulong	Australia	Record daily precipitation	30.2 mm (1.2 in)	56 of 100 (Notable)
Menzies	Australia	Record daily precipitation	34.0 mm (1.3 in)	55 of 100 (Notable)
Yuinmery	Australia	Record daily precipitation	33.6 mm (1.3 in)	53 of 100 (Notable)
Ruy Barbosa	Brazil	Record daily precipitation	40.3 mm (1.6 in)	53 of 100 (Notable)
Balladonia 2	Australia	Record daily precipitation	32.0 mm (1.3 in)	51 of 100 (Notable)
Kookynie	Australia	Record daily precipitation	25.0 mm (1.0 in)	51 of 100 (Notable)
Border 3 N	United States	Record daily snowfall	20.3 cm (8.0 in)	51 of 100 (Notable)
Atley	Australia	Record daily precipitation	33.6 mm (1.3 in)	48 of 100 (Notable)
Wirrabara	Australia	Record daily precipitation	63.6 mm (2.5 in)	48 of 100 (Notable)
Kendall	United States	Record daily precipitation	30.5 mm (1.2 in)	48 of 100 (Notable)
Bear River Refuge	United States	Record daily precipitation	27.9 mm (1.1 in)	46 of 100 (Notable)
The Rock Post Office	Australia	Record daily precipitation	47.2 mm (1.9 in)	45 of 100 (Notable)
Lyndoch	Australia	Record daily precipitation	27.6 mm (1.1 in)	41 of 100 (Notable)
Lifton Pumping STN	United States	Record daily precipitation	25.1 mm (1.0 in)	41 of 100 (Notable)
Logan Utah St UNIV	United States	Record daily snowfall	10.2 cm (4.0 in)	41 of 100 (Notable)
Guanambi	Brazil	Record daily precipitation	48.0 mm (1.9 in)	39 of 100 (Notable)
Saentis	Switzerland	Record high maximum temperature	9.8 C (49.6 F)	38 of 100 (Notable)
Stornoway Airport	United Kingdom	Record high minimum temperature	11.8 C (53.2 F)	38 of 100 (Notable)
Lakeview 2 NNW	United States	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Lakeview 2 NNW	United States	Record snow depth	10.2 cm (4.0 in)	36 of 100 (Notable)
Idaho City	United States	Record daily snowfall	15.2 cm (6.0 in)	35 of 100 (Notable)
Lowman	United States	Record daily snowfall	5.1 cm (2.0 in)	35 of 100 (Notable)
Logan Utah St UNIV	United States	Record daily precipitation	35.3 mm (1.4 in)	35 of 100 (Notable)
Saentis	Switzerland	Record high minimum temperature	4.4 C (39.9 F)	33 of 100 (Routine)
Wondinong	Australia	Record daily precipitation	31.2 mm (1.2 in)	32 of 100 (Routine)
Riverdale	United States	Record daily precipitation	28.7 mm (1.1 in)	31 of 100 (Routine)
Kainaliu 73.2	United States	Record low maximum temperature	21.1 C (70.0 F)	31 of 100 (Routine)
Danbulla Forestry	Australia	Record daily precipitation	25.2 mm (1.0 in)	30 of 100 (Routine)
Plauen	Germany	Record high maximum temperature	20.7 C (69.3 F)	30 of 100 (Routine)
Bremerton	United States	Record low maximum temperature	7.8 C (46.0 F)	30 of 100 (Routine)
Kalgoorlie-Boulder Airport	Australia	Record daily precipitation	25.6 mm (1.0 in)	29 of 100 (Routine)
Saguache	United States	Record low minimum temperature	-12.2 C (10.0 F)	29 of 100 (Routine)
Windsor	Australia	Record daily precipitation	29.2 mm (1.1 in)	28 of 100 (Routine)
Sonora	United States	Record low maximum temperature	11.7 C (53.1 F)	28 of 100 (Routine)
Arrowrock Dam	United States	Record daily snowfall	7.6 cm (3.0 in)	28 of 100 (Routine)
Kinston 7 SE	United States	Record daily precipitation	40.6 mm (1.6 in)	28 of 100 (Routine)
Williamston 1 E	United States	Record daily precipitation	38.4 mm (1.5 in)	28 of 100 (Routine)
Camp Pardee	United States	Record low maximum temperature	11.7 C (53.1 F)	27 of 100 (Routine)
Orland	United States	Record low minimum temperature	0.6 C (33.1 F)	27 of 100 (Routine)
Orleans	United States	Record low maximum temperature	8.9 C (48.0 F)	27 of 100 (Routine)
Southport 5 N	United States	Record daily precipitation	25.9 mm (1.0 in)	27 of 100 (Routine)
Newton Rigg	United Kingdom	Record high maximum temperature	16.6 C (61.9 F)	26 of 100 (Routine)
Farson 2NNE	United States	Record daily snowfall	16.0 cm (6.3 in)	26 of 100 (Routine)
Koolatah Station	Australia	Record daily precipitation	40.0 mm (1.6 in)	25 of 100 (Routine)
Zugdidi	Georgia	Record daily precipitation	62.8 mm (2.5 in)	25 of 100 (Routine)
Glenrock 5 ESE	United States	Record daily precipitation	32.8 mm (1.3 in)	25 of 100 (Routine)
Kuranda Railway Station	Australia	Record daily precipitation	41.0 mm (1.6 in)	24 of 100 (Routine)
Truckee Rs	United States	Record daily precipitation	31.2 mm (1.2 in)	24 of 100 (Routine)
Weaverville	United States	Record low maximum temperature	8.9 C (48.0 F)	24 of 100 (Routine)
Montpelier Rs	United States	Record daily snowfall	12.2 cm (4.8 in)	24 of 100 (Routine)
Ogden Sugar Factory	United States	Record daily precipitation	25.9 mm (1.0 in)	24 of 100 (Routine)
Diamond Springs	United States	Record daily precipitation	34.3 mm (1.4 in)	24 of 100 (Routine)
Concrete Ppl Fish STN	United States	Record low maximum temperature	5.6 C (42.1 F)	24 of 100 (Routine)
Milesovka	Czech Republic	Record high minimum temperature	8.8 C (47.8 F)	23 of 100 (Routine)
Harnosand	Sweden	Record high minimum temperature	8.5 C (47.3 F)	23 of 100 (Routine)
Paisley	United Kingdom	Record high minimum temperature	11.6 C (52.9 F)	23 of 100 (Routine)
Prospect 2 SW	United States	Record low maximum temperature	5.0 C (41.0 F)	23 of 100 (Routine)
Hallett (Lorraine)	Australia	Record daily precipitation	37.2 mm (1.5 in)	22 of 100 (Routine)
Millicent	Australia	Record daily precipitation	31.2 mm (1.2 in)	22 of 100 (Routine)

Counts by Type and Timescale

424 records

Records set or tied on 27 October 1975 by type: Highest daily maximum 53, Lowest daily maximum 51, Highest daily minimum 54, Lowest daily minimum 36, Heaviest daily rainfall 190, Heaviest daily snowfall 30, Deepest snow cover 10.

Records on 27 October 1975 by type
Record type	Records
Highest daily maximum	53
Lowest daily maximum	51
Highest daily minimum	54
Lowest daily minimum	36
Heaviest daily rainfall	190
Heaviest daily snowfall	30
Deepest snow cover	10

Records on 27 October 1975 by timescale: all-time 0, monthly 23, daily 401.

How Much Records Were Beaten By

362 broken records

Margins by which the 362 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

27 October 1975

Top 20 records on 27 October 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 October 1975	Lake Yellowstone, US	monthly snow depth	61.0 cm (24.0 in)	20.4 cm (8.0 in)	62 years	62 of 100 (Major)
27 October 1975	Bulong, AU	daily rain	30.2 mm (1.2 in)	22.6 mm (0.9 in)	64 years	56 of 100 (Notable)
27 October 1975	Menzies, AU	daily rain	34.0 mm (1.3 in)	27.6 mm (1.1 in)	28 years	55 of 100 (Notable)
27 October 1975	Yuinmery, AU	monthly rain	33.6 mm (1.3 in)	14.2 mm (0.6 in)	0 years	53 of 100 (Notable)
27 October 1975	Ruy Barbosa, BR	daily rain	40.3 mm (1.6 in)	38.1 mm (1.5 in)	32 years	53 of 100 (Notable)
27 October 1975	Balladonia 2, AU	daily rain	32.0 mm (1.3 in)	28.2 mm (1.1 in)	28 years	51 of 100 (Notable)
27 October 1975	Kookynie, AU	daily rain	25.0 mm (1.0 in)	15.9 mm (0.6 in)	62 years	51 of 100 (Notable)
27 October 1975	Border 3 N, US	daily snowfall	20.3 cm (8.0 in)	11.9 cm (4.7 in)	56 years	51 of 100 (Notable)
27 October 1975	Atley, AU	monthly rain	33.6 mm (1.3 in)	13.3 mm (0.5 in)	22 years	48 of 100 (Notable)
27 October 1975	Wirrabara, AU	monthly rain	63.6 mm (2.5 in)	19.9 mm (0.8 in)	2 years	48 of 100 (Notable)
27 October 1975	Kendall, US	daily rain	30.5 mm (1.2 in)	25.4 mm (1.0 in)	4 years	48 of 100 (Notable)
27 October 1975	Bear River Refuge, US	daily rain	27.9 mm (1.1 in)	21.8 mm (0.9 in)	28 years	46 of 100 (Notable)
27 October 1975	The Rock Post Office, AU	daily rain	47.2 mm (1.9 in)	20.5 mm (0.8 in)	48 years	45 of 100 (Notable)
27 October 1975	Lyndoch, AU	daily rain	27.6 mm (1.1 in)	4.5 mm (0.18 in)	87 years	41 of 100 (Notable)
27 October 1975	Lifton Pumping STN, US	daily rain	25.1 mm (1.0 in)	12.4 mm (0.5 in)	28 years	41 of 100 (Notable)
27 October 1975	Logan Utah St UNIV, US	daily snowfall	10.2 cm (4.0 in)	10.2 cm (4.0 in)	72 years	41 of 100 (Notable)
27 October 1975	Guanambi, BR	daily rain	48.0 mm (1.9 in)	33.0 mm (1.3 in)	24 years	39 of 100 (Notable)
27 October 1975	Saentis, CH	daily high max	9.8 C (49.6 F)	1.4 C (2.5 F)	91 years	38 of 100 (Notable)
27 October 1975	Stornoway Airport, GB	daily high min	11.8 C (53.2 F)	0.7 C (1.3 F)	86 years	38 of 100 (Notable)
27 October 1975	Lakeview 2 NNW, US	daily snowfall	10.2 cm (4.0 in)	7.7 cm (3.0 in)	13 years	36 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

1802 to 1975

Records set or tied on this calendar date in each year from 1802 to 1975. 1975 had 424 records.

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

Records on 10-27 in each year
Year	Records
1802	1
1807	1
1816	1
1831	1
1838	1
1840	1
1841	2
1847	2
1849	2
1856	2
1861	1
1866	4
1869	4
1870	2
1871	2
1873	1
1874	2
1876	1
1878	1
1880	2
1881	2
1885	2
1886	2
1887	5
1888	3
1889	1
1890	2
1892	3
1893	2
1894	2
1895	3
1896	2
1898	4
1899	14
1900	9
1901	5
1902	8
1903	23
1904	6
1905	11
1906	11
1907	9
1908	16
1909	13
1910	14
1911	20
1912	42
1913	91
1914	54
1915	65
1916	28
1917	45
1918	77
1919	74
1920	98
1921	37
1922	97
1923	63
1924	104
1925	383
1926	176
1927	521
1928	162
1929	92
1930	158
1931	241
1932	319
1933	313
1934	173
1935	266
1936	725
1937	477
1938	160
1939	836
1940	605
1941	409
1942	629
1943	479
1944	519
1945	674
1946	450
1947	551
1948	160
1949	182
1950	603
1951	269
1952	640
1953	285
1954	493
1955	578
1956	339
1957	1,116
1958	163
1959	376
1960	180
1961	428
1962	704
1963	798
1964	294
1965	284
1966	256
1967	485
1968	436
1969	532
1970	1,071
1971	1,157
1972	694
1973	719
1974	384
1975	424
1976	1,387
1977	608
1978	593
1979	553
1980	1,148
1981	1,076
1982	793
1983	707
1984	1,183
1985	592
1986	531
1987	863
1988	829
1989	1,506
1990	441
1991	1,722
1992	703
1993	667
1994	894
1995	1,238
1996	1,651
1997	2,783
1998	1,696
1999	991
2000	832
2001	1,100
2002	1,040
2003	1,669
2004	1,546
2005	897
2006	1,442
2007	950
2008	650
2009	954
2010	1,676
2011	690
2012	991
2013	706
2014	973
2015	395
2016	761
2017	582
2018	701
2019	1,364
2020	2,886
2021	536
2022	657
2023	1,668
2024	694
2025	524

Download the Data

Data for records on 1975-10-27: 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	348
50 to 100	8
100 to 150	4
150 to 200	1
200 to 250	1