Weather Records on 30 October 1919

80 weather records were set or tied worldwide on 30 October 1919. Highest significance: Milwaukee Wb City, US.

Key Facts for 30 October 1919

On 30 October 1919, 80 weather records were set or tied at long-record stations worldwide.
13 were record highs and 39 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 75 daily.
Milwaukee Wb City set a daily record precipitation of 45.7 mm (1.8 in) on 30 October 1919.
Across 153 earlier years (1799 to 2025) the same calendar date averaged 493 records.

Record Map

80 stations

80 station records on 30 October 1919 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 October 1919: highest significance records shown on the map
Station	Country	Type	Value	Significance
Milwaukee Wb City	United States	Record daily precipitation	45.7 mm (1.8 in)	53 of 100 (Notable)
Wiarton	Canada	Record daily precipitation	57.9 mm (2.3 in)	49 of 100 (Notable)
Rapid City Forrest	Canada	Record daily snowfall	18.3 cm (7.2 in)	43 of 100 (Notable)
Gravenhurst	Canada	Record daily precipitation	46.5 mm (1.8 in)	41 of 100 (Notable)
Madison Wb City	United States	Record daily precipitation	36.3 mm (1.4 in)	40 of 100 (Notable)
Hillview	Canada	Record daily snowfall	15.2 cm (6.0 in)	39 of 100 (Notable)
La Crosse Wb City	United States	Record daily precipitation	46.0 mm (1.8 in)	36 of 100 (Notable)
London South	Canada	Record daily precipitation	46.2 mm (1.8 in)	32 of 100 (Routine)
Green Bay	United States	Record daily precipitation	31.2 mm (1.2 in)	31 of 100 (Routine)
Escanaba	United States	Record daily precipitation	41.7 mm (1.6 in)	30 of 100 (Routine)
Jena Sternwarte	Germany	Record low minimum temperature	-4.2 C (24.4 F)	28 of 100 (Routine)
Edmonton	Canada	Record low minimum temperature	-18.3 C (-0.9 F)	25 of 100 (Routine)
Jena Sternwarte	Germany	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Rapid City Forrest	Canada	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Bad Muskau	Germany	Record snow depth	1.0 cm (0.4 in)	20 of 100 (Routine)
Altastenberg	Germany	Record snow depth	5.0 cm (2.0 in)	20 of 100 (Routine)
Saint John	Canada	Record low minimum temperature	-4.4 C (24.1 F)	20 of 100 (Routine)
Portland Rfc City	United States	Record low maximum temperature	7.8 C (46.0 F)	20 of 100 (Routine)
Barkerville	Canada	Record low minimum temperature	-16.1 C (3.0 F)	19 of 100 (Routine)
Port Dover	Canada	Record daily precipitation	15.5 mm (0.6 in)	19 of 100 (Routine)
Chatham	Canada	Record low minimum temperature	-6.7 C (19.9 F)	19 of 100 (Routine)
Fredericton Unb	Canada	Record low minimum temperature	-7.8 C (18.0 F)	19 of 100 (Routine)
Montgomery Wb City	United States	Record high minimum temperature	20.6 C (69.1 F)	19 of 100 (Routine)
Olympia Priest Pt Park	United States	Record low maximum temperature	8.3 C (46.9 F)	19 of 100 (Routine)
Chattanooga Wb City	United States	Record high minimum temperature	19.4 C (66.9 F)	19 of 100 (Routine)
New Westminster	Canada	Record low minimum temperature	-2.8 C (27.0 F)	18 of 100 (Routine)
Lichtentanne	Germany	Record daily precipitation	16.2 mm (0.6 in)	18 of 100 (Routine)
Maly Uzen'	Russia	Record daily precipitation	15.3 mm (0.6 in)	18 of 100 (Routine)
Montgomery Wb City	United States	Record high maximum temperature	28.9 C (84.0 F)	18 of 100 (Routine)
Cape Otway Lighthouse	Australia	Record high maximum temperature	33.3 C (91.9 F)	17 of 100 (Routine)
Morden	Canada	Record daily snowfall	7.6 cm (3.0 in)	17 of 100 (Routine)
Cottbus	Germany	Record snow depth	4.0 cm (1.6 in)	17 of 100 (Routine)
Alma	United States	Record daily precipitation	19.6 mm (0.8 in)	17 of 100 (Routine)
Robe Comparison	Australia	Record high maximum temperature	25.7 C (78.3 F)	16 of 100 (Routine)
Calgary Int'l A	Canada	Record low maximum temperature	-5.6 C (21.9 F)	16 of 100 (Routine)
Brantford	Canada	Record daily precipitation	11.7 mm (0.5 in)	16 of 100 (Routine)
Bamberg	Germany	Record low maximum temperature	1.1 C (34.0 F)	16 of 100 (Routine)
Adelaide West Terrace	Australia	Record high maximum temperature	38.9 C (102.0 F)	15 of 100 (Routine)
Adelaide West Terrace	Australia	Record high minimum temperature	24.4 C (75.9 F)	15 of 100 (Routine)
Salzburg	Austria	Record low maximum temperature	2.5 C (36.5 F)	15 of 100 (Routine)
Galway	Ireland	Record low maximum temperature	5.6 C (42.1 F)	15 of 100 (Routine)
Innsbruck	Austria	Record low minimum temperature	-4.6 C (23.7 F)	14 of 100 (Routine)
Yarmouth	Canada	Record low minimum temperature	-3.9 C (25.0 F)	14 of 100 (Routine)
Mahackala	Russia	Record high minimum temperature	13.9 C (57.0 F)	14 of 100 (Routine)
Winnemucca AP	United States	Record low maximum temperature	3.9 C (39.0 F)	14 of 100 (Routine)
Ft Bidwell	United States	Record low maximum temperature	2.2 C (36.0 F)	13 of 100 (Routine)
New Westminster	Canada	Record low maximum temperature	6.7 C (44.1 F)	12 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record low maximum temperature	1.2 C (34.2 F)	12 of 100 (Routine)
Plauen	Germany	Record daily precipitation	8.4 mm (0.33 in)	12 of 100 (Routine)
Houston Wb City	United States	Record high minimum temperature	21.7 C (71.1 F)	12 of 100 (Routine)
Barkerville	Canada	Record low maximum temperature	-3.9 C (25.0 F)	11 of 100 (Routine)
Edmonton	Canada	Record low maximum temperature	-8.3 C (17.1 F)	11 of 100 (Routine)
Calgary Int'l A	Canada	Record low minimum temperature	-14.4 C (6.1 F)	11 of 100 (Routine)
Calgary Int'l A	Canada	Record daily snowfall	1.3 cm (0.5 in)	11 of 100 (Routine)
Hillview	Canada	Record daily precipitation	15.2 mm (0.6 in)	11 of 100 (Routine)
Magdeburg	Germany	Record daily precipitation	5.7 mm (0.22 in)	11 of 100 (Routine)
Fort Chipewyan	Canada	Record low minimum temperature	-23.9 C (-11.0 F)	10 of 100 (Routine)
Saentis	Switzerland	Record low minimum temperature	-15.2 C (4.6 F)	10 of 100 (Routine)
Plauen	Germany	Record low minimum temperature	-6.5 C (20.3 F)	9 of 100 (Routine)
Malvern	United States	Record high minimum temperature	16.1 C (61.0 F)	8 of 100 (Routine)

Counts by Type and Timescale

80 records

Records set or tied on 30 October 1919 by type: Highest daily maximum 6, Lowest daily maximum 21, Highest daily minimum 7, Lowest daily minimum 18, Heaviest daily rainfall 20, Heaviest daily snowfall 5, Deepest snow cover 3.

Records on 30 October 1919 by type
Record type	Records
Highest daily maximum	6
Lowest daily maximum	21
Highest daily minimum	7
Lowest daily minimum	18
Heaviest daily rainfall	20
Heaviest daily snowfall	5
Deepest snow cover	3

Records on 30 October 1919 by timescale: all-time 0, monthly 5, daily 75.

How Much Records Were Beaten By

72 broken records

Margins by which the 72 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 158.0. Ties are not counted.

Top 20 by Significance

30 October 1919

Top 20 records on 30 October 1919 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 October 1919	Milwaukee Wb City, US	daily rain	45.7 mm (1.8 in)	34.3 mm (1.4 in)	36 years	53 of 100 (Notable)
30 October 1919	Wiarton, CA	daily rain	57.9 mm (2.3 in)	38.6 mm (1.5 in)	24 years	49 of 100 (Notable)
30 October 1919	Rapid City Forrest, CA	daily snowfall	18.3 cm (7.2 in)	15.8 cm (6.2 in)	33 years	43 of 100 (Notable)
30 October 1919	Gravenhurst, CA	daily rain	46.5 mm (1.8 in)	20.1 mm (0.8 in)	43 years	41 of 100 (Notable)
30 October 1919	Madison Wb City, US	daily rain	36.3 mm (1.4 in)	22.3 mm (0.9 in)	36 years	40 of 100 (Notable)
30 October 1919	Hillview, CA	daily snowfall	15.2 cm (6.0 in)	14.4 cm (5.7 in)	28 years	39 of 100 (Notable)
30 October 1919	La Crosse Wb City, US	daily rain	46.0 mm (1.8 in)	27.7 mm (1.1 in)	22 years	36 of 100 (Notable)
30 October 1919	London South, CA	daily rain	46.2 mm (1.8 in)	19.0 mm (0.7 in)	24 years	32 of 100 (Routine)
30 October 1919	Green Bay, US	daily rain	31.2 mm (1.2 in)	19.8 mm (0.8 in)	22 years	31 of 100 (Routine)
30 October 1919	Escanaba, US	daily rain	41.7 mm (1.6 in)	12.7 mm (0.5 in)	45 years	30 of 100 (Routine)
30 October 1919	Jena Sternwarte, DE	daily low min	-4.2 C (24.4 F)	0.4 C (0.7 F)	62 years	28 of 100 (Routine)
30 October 1919	Edmonton, CA	daily low min	-18.3 C (-0.9 F)	5.0 C (9.0 F)	34 years	25 of 100 (Routine)
30 October 1919	Jena Sternwarte, DE	daily rain	9.7 mm (0.38 in)	2.1 mm (0.08 in)	65 years	20 of 100 (Routine)
30 October 1919	Rapid City Forrest, CA	daily rain	18.3 mm (0.7 in)	13.5 mm (0.5 in)	33 years	20 of 100 (Routine)
30 October 1919	Bad Muskau, DE	monthly snow depth	1.0 cm (0.4 in)	1.0 cm (0.4 in)	32 years	20 of 100 (Routine)
30 October 1919	Altastenberg, DE	daily snow depth	5.0 cm (2.0 in)	4.0 cm (1.6 in)	28 years	20 of 100 (Routine)
30 October 1919	Saint John, CA	daily low min	-4.4 C (24.1 F)	1.1 C (2.0 F)	46 years	20 of 100 (Routine)
30 October 1919	Portland Rfc City, US	daily low max	7.8 C (46.0 F)	2.2 C (4.0 F)	36 years	20 of 100 (Routine)
30 October 1919	Barkerville, CA	daily low min	-16.1 C (3.0 F)	5.0 C (9.0 F)	13 years	19 of 100 (Routine)
30 October 1919	Port Dover, CA	daily rain	15.5 mm (0.6 in)	3.3 mm (0.13 in)	40 years	19 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 1919

Records set or tied on this calendar date in each year from 1799 to 1919. 1919 had 80 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 1919-10-30: 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 20	62
20 to 40	6
40 to 60	1
60 to 80	1
80 to 100	0
100 to 120	0
120 to 140	0
140 to 160	2