Weather Records on 30 October 1927

259 weather records were set or tied worldwide on 30 October 1927. Highest significance: Santa Cruz, US.

Key Facts for 30 October 1927

On 30 October 1927, 259 weather records were set or tied at long-record stations worldwide.
207 were record highs and 5 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 0 monthly and 259 daily.
Santa Cruz set a daily record precipitation of 50.8 mm (2.0 in) on 30 October 1927.
Across 153 earlier years (1799 to 2025) the same calendar date averaged 492 records.

Record Map

259 stations

259 station records on 30 October 1927 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 October 1927: highest significance records shown on the map
Station	Country	Type	Value	Significance
Santa Cruz	United States	Record daily precipitation	50.8 mm (2.0 in)	53 of 100 (Notable)
Winnipeg St Johns Coll	Canada	Record daily precipitation	33.5 mm (1.3 in)	35 of 100 (Notable)
Stockton 2	United States	Record daily precipitation	37.1 mm (1.5 in)	33 of 100 (Routine)
Fort Chipewyan	Canada	Record daily snowfall	11.4 cm (4.5 in)	29 of 100 (Routine)
Quatsino	Canada	Record low maximum temperature	4.4 C (39.9 F)	25 of 100 (Routine)
Detroit Lakes 1 NNE	United States	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Milbank 4 NW	United States	Record daily precipitation	28.4 mm (1.1 in)	23 of 100 (Routine)
Coldwater	Canada	Record high maximum temperature	26.1 C (79.0 F)	22 of 100 (Routine)
Goodwater	United States	Record high maximum temperature	32.2 C (90.0 F)	21 of 100 (Routine)
Fort Chipewyan	Canada	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)
Perth Regional Office	Australia	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Winnemucca AP	United States	Record daily precipitation	9.9 mm (0.39 in)	20 of 100 (Routine)
Berkeley	United States	Record daily precipitation	23.6 mm (0.9 in)	20 of 100 (Routine)
Canton	United States	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Ukiah	United States	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
St Albans	Canada	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Le Mars	United States	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high minimum temperature	16.1 C (61.0 F)	20 of 100 (Routine)
Mexico	United States	Record high minimum temperature	19.4 C (66.9 F)	19 of 100 (Routine)
Atyrau	Kazakhstan	Record high minimum temperature	8.0 C (46.4 F)	18 of 100 (Routine)
Pushmataha	United States	Record high maximum temperature	30.0 C (86.0 F)	18 of 100 (Routine)
Mt Ayr	United States	Record high maximum temperature	32.8 C (91.0 F)	18 of 100 (Routine)
Lake	United States	Record high maximum temperature	30.6 C (87.1 F)	18 of 100 (Routine)
Madison	United States	Record daily precipitation	15.5 mm (0.6 in)	18 of 100 (Routine)
Norfolk	United States	Record daily precipitation	8.1 mm (0.32 in)	18 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high minimum temperature	18.3 C (64.9 F)	18 of 100 (Routine)
Saentis	Switzerland	Record high maximum temperature	8.4 C (47.1 F)	17 of 100 (Routine)
Clemson UNIV	United States	Record high maximum temperature	29.4 C (84.9 F)	17 of 100 (Routine)
Martinsburg E W Virginia Rgnl	United States	Record high maximum temperature	25.6 C (78.1 F)	17 of 100 (Routine)
Savanne	Canada	Record daily precipitation	8.1 mm (0.32 in)	16 of 100 (Routine)
Tbilisi	Georgia	Record high minimum temperature	12.9 C (55.2 F)	16 of 100 (Routine)
Maristova	Norway	Record snow depth	20.0 cm (7.9 in)	16 of 100 (Routine)
Highland Home	United States	Record high maximum temperature	31.1 C (88.0 F)	16 of 100 (Routine)
Ft Ross	United States	Record daily precipitation	27.2 mm (1.1 in)	16 of 100 (Routine)
Battle Mtn	United States	Record daily precipitation	2.5 mm (0.10 in)	16 of 100 (Routine)
Napoleon	United States	Record daily precipitation	13.2 mm (0.5 in)	16 of 100 (Routine)
Greenwood	United States	Record high maximum temperature	31.1 C (88.0 F)	16 of 100 (Routine)
Clarksville Wwtp	United States	Record high maximum temperature	31.1 C (88.0 F)	16 of 100 (Routine)
Lexington Bluegrass AP	United States	Record high maximum temperature	27.2 C (81.0 F)	16 of 100 (Routine)
Nerchinskij Zavod	Russia	Record high minimum temperature	-0.8 C (30.6 F)	15 of 100 (Routine)
Saentis	Switzerland	Record high minimum temperature	3.7 C (38.7 F)	15 of 100 (Routine)
San Jose	United States	Record low maximum temperature	14.4 C (57.9 F)	15 of 100 (Routine)
Ashton 1N	United States	Record daily precipitation	12.7 mm (0.5 in)	15 of 100 (Routine)
Marion	United States	Record high maximum temperature	28.3 C (82.9 F)	15 of 100 (Routine)
Mitchell 2 N	United States	Record high minimum temperature	8.3 C (46.9 F)	15 of 100 (Routine)
Heber	United States	Record high minimum temperature	3.3 C (37.9 F)	15 of 100 (Routine)
Sacramento 5 ESE	United States	Record daily precipitation	21.8 mm (0.9 in)	15 of 100 (Routine)
Berkeley	United States	Record low maximum temperature	13.3 C (55.9 F)	14 of 100 (Routine)
Greeley	United States	Record high minimum temperature	3.9 C (39.0 F)	14 of 100 (Routine)
Soldier Creek Adm Site	United States	Record daily precipitation	2.5 mm (0.10 in)	14 of 100 (Routine)
New Iberia AP - Acadiana Rgnl	United States	Record high maximum temperature	31.7 C (89.1 F)	14 of 100 (Routine)
Louisville	United States	Record high maximum temperature	30.6 C (87.1 F)	14 of 100 (Routine)
Oakdale	United States	Record high minimum temperature	10.0 C (50.0 F)	14 of 100 (Routine)
Columbus Ohio St UNIV	United States	Record high maximum temperature	27.2 C (81.0 F)	14 of 100 (Routine)
Hillsboro	United States	Record high maximum temperature	28.3 C (82.9 F)	14 of 100 (Routine)
College STN 6 SW	United States	Record high maximum temperature	35.6 C (96.1 F)	14 of 100 (Routine)
Grafton 1 NE	United States	Record high maximum temperature	27.8 C (82.0 F)	14 of 100 (Routine)
Sheffield	United Kingdom	Record high maximum temperature	15.0 C (59.0 F)	13 of 100 (Routine)
Eubank	United States	Record high maximum temperature	27.2 C (81.0 F)	13 of 100 (Routine)
Mexico	United States	Record high maximum temperature	28.9 C (84.0 F)	13 of 100 (Routine)

Counts by Type and Timescale

259 records

Records set or tied on 30 October 1927 by type: Highest daily maximum 138, Lowest daily maximum 4, Highest daily minimum 69, Lowest daily minimum 1, Heaviest daily rainfall 44, Heaviest daily snowfall 2, Deepest snow cover 1.

Records on 30 October 1927 by type
Record type	Records
Highest daily maximum	138
Lowest daily maximum	4
Highest daily minimum	69
Lowest daily minimum	1
Heaviest daily rainfall	44
Heaviest daily snowfall	2
Deepest snow cover	1

Records on 30 October 1927 by timescale: all-time 0, monthly 0, daily 259.

How Much Records Were Beaten By

206 broken records

Margins by which the 206 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 63.0. Ties are not counted.

Top 20 by Significance

30 October 1927

Top 20 records on 30 October 1927 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 October 1927	Santa Cruz, US	daily rain	50.8 mm (2.0 in)	50.8 mm (2.0 in)	33 years	53 of 100 (Notable)
30 October 1927	Winnipeg St Johns Coll, CA	daily rain	33.5 mm (1.3 in)	9.6 mm (0.38 in)	54 years	35 of 100 (Notable)
30 October 1927	Stockton 2, US	daily rain	37.1 mm (1.5 in)	14.7 mm (0.6 in)	27 years	33 of 100 (Routine)
30 October 1927	Fort Chipewyan, CA	daily snowfall	11.4 cm (4.5 in)	6.3 cm (2.5 in)	41 years	29 of 100 (Routine)
30 October 1927	Quatsino, CA	daily low max	4.4 C (39.9 F)	3.9 C (7.0 F)	21 years	25 of 100 (Routine)
30 October 1927	Detroit Lakes 1 NNE, US	daily rain	26.7 mm (1.1 in)	14.0 mm (0.6 in)	20 years	24 of 100 (Routine)
30 October 1927	Milbank 4 NW, US	daily rain	28.4 mm (1.1 in)	13.4 mm (0.5 in)	20 years	23 of 100 (Routine)
30 October 1927	Coldwater, CA	daily high max	26.1 C (79.0 F)	5.5 C (9.9 F)	30 years	22 of 100 (Routine)
30 October 1927	Goodwater, US	daily high max	32.2 C (90.0 F)	5.0 C (9.0 F)	26 years	21 of 100 (Routine)
30 October 1927	Fort Chipewyan, CA	daily rain	11.4 mm (0.4 in)	6.3 mm (0.25 in)	41 years	20 of 100 (Routine)
30 October 1927	Perth Regional Office, AU	daily rain	14.2 mm (0.6 in)	5.3 mm (0.21 in)	44 years	20 of 100 (Routine)
30 October 1927	Winnemucca AP, US	daily rain	9.9 mm (0.39 in)	3.3 mm (0.13 in)	45 years	20 of 100 (Routine)
30 October 1927	Berkeley, US	daily rain	23.6 mm (0.9 in)	16.7 mm (0.7 in)	27 years	20 of 100 (Routine)
30 October 1927	Canton, US	daily rain	14.2 mm (0.6 in)	12.7 mm (0.5 in)	30 years	20 of 100 (Routine)
30 October 1927	Ukiah, US	daily rain	24.9 mm (1.0 in)	12.2 mm (0.5 in)	27 years	20 of 100 (Routine)
30 October 1927	St Albans, CA	daily rain	15.7 mm (0.6 in)	5.3 mm (0.21 in)	29 years	20 of 100 (Routine)
30 October 1927	Le Mars, US	daily rain	16.5 mm (0.6 in)	10.1 mm (0.4 in)	26 years	20 of 100 (Routine)
30 October 1927	Cape Otway Lighthouse, AU	daily high min	16.1 C (61.0 F)	0.5 C (0.9 F)	45 years	20 of 100 (Routine)
30 October 1927	Mexico, US	daily high min	19.4 C (66.9 F)	5.5 C (9.9 F)	25 years	19 of 100 (Routine)
30 October 1927	Atyrau, KZ	daily high min	8.0 C (46.4 F)	3.0 C (5.4 F)	26 years	18 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 1927

Records set or tied on this calendar date in each year from 1799 to 1927. 1927 had 259 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 1927-10-30: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	195
10 to 20	8
20 to 30	0
30 to 40	0
40 to 50	0
50 to 60	2
60 to 70	1