Weather Records on 20 October 1934

422 weather records were set or tied worldwide on 20 October 1934. Highest significance: Expedition Pass Reservoir, AU.

Key Facts for 20 October 1934

On 20 October 1934, 422 weather records were set or tied at long-record stations worldwide.
138 were record highs and 39 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 417 daily.
Expedition Pass Reservoir set a monthly record daily precipitation of 86.9 mm (3.4 in) on 20 October 1934.
Across 160 earlier years (1806 to 2025) the same calendar date averaged 457 records.

Record Map

422 stations

422 station records on 20 October 1934 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 October 1934: highest significance records shown on the map
Station	Country	Type	Value	Significance
Expedition Pass Reservoir	Australia	Record daily precipitation	86.9 mm (3.4 in)	73 of 100 (Major)
Vattaram	India	Record daily precipitation	133.4 mm (5.3 in)	51 of 100 (Notable)
Arltunga	Australia	Record daily precipitation	42.4 mm (1.7 in)	50 of 100 (Notable)
Orleans	United States	Record daily precipitation	55.1 mm (2.2 in)	49 of 100 (Notable)
Maple Plain	United States	Record daily precipitation	59.4 mm (2.3 in)	48 of 100 (Notable)
Coonamble (Pier Pier)	Australia	Record daily precipitation	37.1 mm (1.5 in)	47 of 100 (Notable)
Collegeville St John's	United States	Record daily precipitation	35.3 mm (1.4 in)	47 of 100 (Notable)
Napoleon	United States	Record daily precipitation	38.4 mm (1.5 in)	47 of 100 (Notable)
Steele 4N	United States	Record daily precipitation	25.4 mm (1.0 in)	47 of 100 (Notable)
Angus 1 N	United States	Record daily precipitation	35.6 mm (1.4 in)	46 of 100 (Notable)
Minneapolis Wb Dwtn	United States	Record daily precipitation	67.1 mm (2.6 in)	46 of 100 (Notable)
New Ulm 2 SE	United States	Record daily precipitation	78.7 mm (3.1 in)	44 of 100 (Notable)
Cedar Rapids #1	United States	Record daily precipitation	50.0 mm (2.0 in)	41 of 100 (Notable)
Grafton	United States	Record daily precipitation	25.7 mm (1.0 in)	41 of 100 (Notable)
Prentice #2	United States	Record daily precipitation	34.3 mm (1.4 in)	41 of 100 (Notable)
Minocqua	United States	Record daily precipitation	37.3 mm (1.5 in)	40 of 100 (Notable)
Bemidji	United States	Record daily precipitation	31.8 mm (1.3 in)	39 of 100 (Notable)
Farmington 3NW	United States	Record daily precipitation	45.7 mm (1.8 in)	39 of 100 (Notable)
Lancaster 4 WSW	United States	Record daily precipitation	33.3 mm (1.3 in)	39 of 100 (Notable)
Clarke River Telecom	Australia	Record daily precipitation	33.5 mm (1.3 in)	37 of 100 (Notable)
Forest Grove	United States	Record daily precipitation	35.6 mm (1.4 in)	37 of 100 (Notable)
Delaware 3 WSW	United States	Record daily precipitation	29.7 mm (1.2 in)	36 of 100 (Notable)
Quesnel	Canada	Record daily precipitation	34.5 mm (1.4 in)	35 of 100 (Notable)
Roseau	United States	Record daily precipitation	28.4 mm (1.1 in)	32 of 100 (Routine)
Stanthorpe Leslie Parade	Australia	Record daily precipitation	32.0 mm (1.3 in)	31 of 100 (Routine)
Dunlop	Australia	Record daily precipitation	28.4 mm (1.1 in)	31 of 100 (Routine)
Yass (Derringullen)	Australia	Record daily precipitation	40.4 mm (1.6 in)	31 of 100 (Routine)
Tipton	United States	Record daily precipitation	47.8 mm (1.9 in)	31 of 100 (Routine)
Palermo	Italy	Record daily precipitation	35.6 mm (1.4 in)	29 of 100 (Routine)
St Peter	United States	Record daily precipitation	40.4 mm (1.6 in)	29 of 100 (Routine)
Two Harbors	United States	Record daily precipitation	28.7 mm (1.1 in)	29 of 100 (Routine)
Spooner Ag Rsch STN	United States	Record daily precipitation	52.1 mm (2.1 in)	29 of 100 (Routine)
Toulby	Australia	Record daily precipitation	30.5 mm (1.2 in)	28 of 100 (Routine)
Arasadi	India	Record daily precipitation	85.1 mm (3.4 in)	28 of 100 (Routine)
Priest Rvr Exp STN	United States	Record daily precipitation	29.2 mm (1.1 in)	28 of 100 (Routine)
Madison Wb City	United States	Record daily precipitation	41.9 mm (1.6 in)	28 of 100 (Routine)
Newport	United States	Record daily precipitation	33.0 mm (1.3 in)	28 of 100 (Routine)
Crescent City 3 NNW	United States	Record daily precipitation	37.6 mm (1.5 in)	27 of 100 (Routine)
Downing 1 E	United States	Record daily precipitation	49.8 mm (2.0 in)	27 of 100 (Routine)
Mather 3 NW	United States	Record daily precipitation	25.1 mm (1.0 in)	27 of 100 (Routine)
Davenport L&D 15	United States	Record daily precipitation	30.5 mm (1.2 in)	27 of 100 (Routine)
Northwood	United States	Record daily precipitation	27.9 mm (1.1 in)	26 of 100 (Routine)
Bird Island	United States	Record daily precipitation	33.3 mm (1.3 in)	26 of 100 (Routine)
Wallangarra Post Office	Australia	Record daily precipitation	32.0 mm (1.3 in)	25 of 100 (Routine)
Astoria	United States	Record daily precipitation	52.6 mm (2.1 in)	25 of 100 (Routine)
Headworks Portland Wtr B	United States	Record daily precipitation	38.4 mm (1.5 in)	25 of 100 (Routine)
Beloit	United States	Record daily precipitation	37.8 mm (1.5 in)	25 of 100 (Routine)
Racine Wwtp	United States	Record daily precipitation	56.1 mm (2.2 in)	25 of 100 (Routine)
Tewantin Post Office	Australia	Record low minimum temperature	2.7 C (36.9 F)	24 of 100 (Routine)
Independence	United States	Record daily precipitation	36.1 mm (1.4 in)	24 of 100 (Routine)
Marshalltown	United States	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Muscatine 2	United States	Record daily precipitation	32.3 mm (1.3 in)	24 of 100 (Routine)
Toledo 3N	United States	Record daily precipitation	30.5 mm (1.2 in)	24 of 100 (Routine)
Unionville	United States	Record daily precipitation	37.6 mm (1.5 in)	24 of 100 (Routine)
Moxee	United States	Record high minimum temperature	11.7 C (53.1 F)	24 of 100 (Routine)
Eau Claire	United States	Record daily precipitation	39.1 mm (1.5 in)	24 of 100 (Routine)
Stanley Wwtp	United States	Record daily precipitation	34.3 mm (1.4 in)	24 of 100 (Routine)
Bano	India	Record daily precipitation	55.9 mm (2.2 in)	23 of 100 (Routine)
Palayankottai	India	Record daily precipitation	53.1 mm (2.1 in)	23 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	30.7 mm (1.2 in)	23 of 100 (Routine)

Counts by Type and Timescale

422 records

Records set or tied on 20 October 1934 by type: Highest daily maximum 41, Lowest daily maximum 6, Highest daily minimum 97, Lowest daily minimum 33, Heaviest daily rainfall 244, Heaviest daily snowfall 1.

Records on 20 October 1934 by type
Record type	Records
Highest daily maximum	41
Lowest daily maximum	6
Highest daily minimum	97
Lowest daily minimum	33
Heaviest daily rainfall	244
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 20 October 1934 by timescale: all-time 0, monthly 5, daily 417.

How Much Records Were Beaten By

354 broken records

Margins by which the 354 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 91.2. Ties are not counted.

Top 20 by Significance

20 October 1934

Top 20 records on 20 October 1934 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 October 1934	Expedition Pass Reservoir, AU	monthly rain	86.9 mm (3.4 in)	40.2 mm (1.6 in)	59 years	73 of 100 (Major)
20 October 1934	Vattaram, IN	daily rain	133.4 mm (5.3 in)	91.2 mm (3.6 in)	28 years	51 of 100 (Notable)
20 October 1934	Arltunga, AU	daily rain	42.4 mm (1.7 in)	38.3 mm (1.5 in)	24 years	50 of 100 (Notable)
20 October 1934	Orleans, US	daily rain	55.1 mm (2.2 in)	48.2 mm (1.9 in)	20 years	49 of 100 (Notable)
20 October 1934	Maple Plain, US	daily rain	59.4 mm (2.3 in)	44.2 mm (1.7 in)	13 years	48 of 100 (Notable)
20 October 1934	Coonamble (Pier Pier), AU	daily rain	37.1 mm (1.5 in)	27.2 mm (1.1 in)	39 years	47 of 100 (Notable)
20 October 1934	Collegeville St John's, US	daily rain	35.3 mm (1.4 in)	27.7 mm (1.1 in)	25 years	47 of 100 (Notable)
20 October 1934	Napoleon, US	daily rain	38.4 mm (1.5 in)	23.2 mm (0.9 in)	35 years	47 of 100 (Notable)
20 October 1934	Steele 4N, US	daily rain	25.4 mm (1.0 in)	25.4 mm (1.0 in)	39 years	47 of 100 (Notable)
20 October 1934	Angus 1 N, US	daily rain	35.6 mm (1.4 in)	27.2 mm (1.1 in)	25 years	46 of 100 (Notable)
20 October 1934	Minneapolis Wb Dwtn, US	daily rain	67.1 mm (2.6 in)	35.1 mm (1.4 in)	13 years	46 of 100 (Notable)
20 October 1934	New Ulm 2 SE, US	daily rain	78.7 mm (3.1 in)	36.8 mm (1.4 in)	29 years	44 of 100 (Notable)
20 October 1934	Cedar Rapids #1, US	daily rain	50.0 mm (2.0 in)	33.5 mm (1.3 in)	17 years	41 of 100 (Notable)
20 October 1934	Grafton, US	daily rain	25.7 mm (1.0 in)	23.2 mm (0.9 in)	39 years	41 of 100 (Notable)
20 October 1934	Prentice #2, US	daily rain	34.3 mm (1.4 in)	29.7 mm (1.2 in)	13 years	41 of 100 (Notable)
20 October 1934	Minocqua, US	daily rain	37.3 mm (1.5 in)	28.7 mm (1.1 in)	5 years	40 of 100 (Notable)
20 October 1934	Bemidji, US	daily rain	31.8 mm (1.3 in)	28.0 mm (1.1 in)	33 years	39 of 100 (Notable)
20 October 1934	Farmington 3NW, US	daily rain	45.7 mm (1.8 in)	32.5 mm (1.3 in)	39 years	39 of 100 (Notable)
20 October 1934	Lancaster 4 WSW, US	daily rain	33.3 mm (1.3 in)	23.1 mm (0.9 in)	39 years	39 of 100 (Notable)
20 October 1934	Clarke River Telecom, AU	daily rain	33.5 mm (1.3 in)	29.4 mm (1.2 in)	36 years	37 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

1806 to 1934

Records set or tied on this calendar date in each year from 1806 to 1934. 1934 had 422 records.

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

Records on 10-20 in each year
Year	Records
1806	1
1835	1
1844	1
1846	1
1847	2
1851	1
1852	1
1858	1
1863	2
1864	2
1866	3
1867	1
1868	2
1872	2
1874	2
1875	3
1876	2
1877	1
1878	1
1880	3
1881	2
1884	1
1885	1
1886	1
1887	1
1888	6
1891	4
1892	4
1893	1
1894	3
1895	4
1896	9
1897	2
1898	7
1899	1
1900	8
1901	7
1902	5
1903	9
1904	13
1905	22
1906	28
1907	32
1908	26
1909	17
1910	31
1911	16
1912	6
1913	38
1914	16
1915	20
1916	72
1917	201
1918	34
1919	19
1920	81
1921	68
1922	83
1923	96
1924	182
1925	247
1926	147
1927	283
1928	92
1929	129
1930	672
1931	125
1932	331
1933	675
1934	422
1935	390
1936	370
1937	189
1938	231
1939	367
1940	757
1941	459
1942	152
1943	501
1944	288
1945	363
1946	310
1947	1,494
1948	320
1949	1,084
1950	619
1951	279
1952	520
1953	1,057
1954	262
1955	529
1956	283
1957	440
1958	461
1959	451
1960	671
1961	479
1962	733
1963	765
1964	598
1965	340
1966	857
1967	511
1968	244
1969	607
1970	710
1971	606
1972	1,724
1973	878
1974	1,122
1975	587
1976	1,304
1977	467
1978	508
1979	1,647
1980	350
1981	1,083
1982	1,191
1983	944
1984	1,562
1985	835
1986	823
1987	590
1988	737
1989	2,092
1990	609
1991	971
1992	1,174
1993	1,238
1994	650
1995	703
1996	1,417
1997	949
1998	683
1999	603
2000	737
2001	589
2002	985
2003	1,761
2004	1,861
2005	1,092
2006	1,170
2007	923
2008	477
2009	786
2010	539
2011	785
2012	945
2013	592
2014	851
2015	523
2016	947
2017	602
2018	394
2019	744
2020	1,010
2021	900
2022	834
2023	1,468
2024	707
2025	326

Download the Data

Data for records on 1934-10-20: 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	321
20 to 40	28
40 to 60	4
60 to 80	0
80 to 100	1