Weather Records on 20 October 1974

1,122 weather records were set or tied worldwide on 20 October 1974. Highest significance: Carbla Station, AU.

Key Facts for 20 October 1974

On 20 October 1974, 1,122 weather records were set or tied at long-record stations worldwide.
180 were record highs and 576 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 83 monthly and 1,039 daily.
Carbla Station set a monthly record daily precipitation of 41.4 mm (1.6 in) on 20 October 1974.
Across 160 earlier years (1806 to 2025) the same calendar date averaged 453 records.

Record Map

1,122 stations

1,122 station records on 20 October 1974 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 October 1974: highest significance records shown on the map
Station	Country	Type	Value	Significance
Carbla Station	Australia	Record daily precipitation	41.4 mm (1.6 in)	70 of 100 (Major)
Forest Grove	Australia	Record daily precipitation	115.8 mm (4.6 in)	67 of 100 (Major)
Cooralya	Australia	Record daily precipitation	27.0 mm (1.1 in)	59 of 100 (Notable)
Tabl.Mtn Molteno Rsv	South Africa	Record daily precipitation	30.6 mm (1.2 in)	57 of 100 (Notable)
Doorawarrah	Australia	Record daily precipitation	33.0 mm (1.3 in)	54 of 100 (Notable)
Nappan Cda	Canada	Record daily snowfall	20.3 cm (8.0 in)	54 of 100 (Notable)
Table.Mtn Platteklip	South Africa	Record daily precipitation	31.0 mm (1.2 in)	54 of 100 (Notable)
Shearwater A	Canada	Record daily snowfall	33.0 cm (13.0 in)	53 of 100 (Notable)
Yarmouth A	Canada	Record daily snowfall	37.6 cm (14.8 in)	53 of 100 (Notable)
Cartwright	Canada	Record daily snowfall	17.0 cm (6.7 in)	51 of 100 (Notable)
Greenwood A	Canada	Record daily snowfall	29.5 cm (11.6 in)	50 of 100 (Notable)
Sidney 2 N	United States	Record daily snowfall	12.7 cm (5.0 in)	50 of 100 (Notable)
Brickhouse	Australia	Record daily precipitation	42.2 mm (1.7 in)	49 of 100 (Notable)
Moncton	Canada	Record daily snowfall	22.4 cm (8.8 in)	49 of 100 (Notable)
Atlantic City Marina	United States	Record low minimum temperature	-2.2 C (28.0 F)	49 of 100 (Notable)
Hamelin Pool	Australia	Record daily precipitation	37.8 mm (1.5 in)	47 of 100 (Notable)
Natashquan A	Canada	Record daily snowfall	16.0 cm (6.3 in)	46 of 100 (Notable)
Norfolk 2 SW	United States	Record low minimum temperature	-8.3 C (17.1 F)	46 of 100 (Notable)
Mount Uniacke	Canada	Record daily snowfall	30.5 cm (12.0 in)	45 of 100 (Notable)
Yaringa Station	Australia	Record daily precipitation	39.4 mm (1.6 in)	44 of 100 (Notable)
Moncton A	Canada	Record daily snowfall	26.7 cm (10.5 in)	42 of 100 (Notable)
Charlottetown A	Canada	Record daily snowfall	21.6 cm (8.5 in)	42 of 100 (Notable)
Kotel'nikovo	Russia	Record daily precipitation	31.9 mm (1.3 in)	41 of 100 (Notable)
Sion 2	Switzerland	Record daily precipitation	32.0 mm (1.3 in)	41 of 100 (Notable)
Westfield 2 SSE	United States	Record daily snowfall	15.5 cm (6.1 in)	41 of 100 (Notable)
Wooramel	Australia	Record daily precipitation	32.0 mm (1.3 in)	40 of 100 (Notable)
Belhaven 1 SE	United States	Record low maximum temperature	8.9 C (48.0 F)	40 of 100 (Notable)
Denham	Australia	Record daily precipitation	45.0 mm (1.8 in)	39 of 100 (Notable)
Fredericton Cda	Canada	Record daily snowfall	7.6 cm (3.0 in)	39 of 100 (Notable)
Sussex	Canada	Record low maximum temperature	-1.1 C (30.0 F)	39 of 100 (Notable)
London State Fish Hatchery	United States	Record daily snowfall	12.7 cm (5.0 in)	39 of 100 (Notable)
Tanana AP	United States	Record snow depth	33.0 cm (13.0 in)	39 of 100 (Notable)
Norman Wells A	Canada	Record daily snowfall	11.7 cm (4.6 in)	38 of 100 (Notable)
Irkutsk	Russia	Record low minimum temperature	-20.2 C (-4.4 F)	37 of 100 (Notable)
Urbana Wrf	United States	Record daily snowfall	10.4 cm (4.1 in)	37 of 100 (Notable)
Yallalong	Australia	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Itamarati-SE	Brazil	Record daily precipitation	58.6 mm (2.3 in)	36 of 100 (Notable)
Springfield	Canada	Record daily snowfall	27.9 cm (11.0 in)	36 of 100 (Notable)
Welland	Canada	Record low maximum temperature	2.2 C (36.0 F)	35 of 100 (Notable)
Musquash	Canada	Record daily snowfall	7.6 cm (3.0 in)	35 of 100 (Notable)
St George	Canada	Record daily snowfall	8.9 cm (3.5 in)	35 of 100 (Notable)
Gagetown 2	Canada	Record low maximum temperature	-1.1 C (30.0 F)	34 of 100 (Routine)
Sackville	Canada	Record daily snowfall	15.2 cm (6.0 in)	34 of 100 (Routine)
Liverpool Big Falls	Canada	Record daily snowfall	20.3 cm (8.0 in)	34 of 100 (Routine)
Mina	United States	Record high maximum temperature	28.9 C (84.0 F)	34 of 100 (Routine)
Nashville	United States	Record low maximum temperature	5.0 C (41.0 F)	34 of 100 (Routine)
London State Fish Hatchery	United States	Record snow depth	12.7 cm (5.0 in)	34 of 100 (Routine)
Warren	United States	Record low maximum temperature	0.6 C (33.1 F)	34 of 100 (Routine)
Mount Narryer	Australia	Record daily precipitation	27.0 mm (1.1 in)	33 of 100 (Routine)
Woodstock	Canada	Record low maximum temperature	0.0 C (32.0 F)	33 of 100 (Routine)
Tacambaro	Mexico	Record daily precipitation	55.1 mm (2.2 in)	33 of 100 (Routine)
Nashua 2 NNW	United States	Record low maximum temperature	3.9 C (39.0 F)	33 of 100 (Routine)
Hiram	United States	Record low maximum temperature	2.2 C (36.0 F)	33 of 100 (Routine)
Camden on Gauley 2 SW	United States	Record daily snowfall	5.1 cm (2.0 in)	33 of 100 (Routine)
Col du Grand St-Bernard	Switzerland	Record daily precipitation	55.2 mm (2.2 in)	32 of 100 (Routine)
Port Jervis	United States	Record low maximum temperature	4.4 C (39.9 F)	32 of 100 (Routine)
Colfax	United States	Record high maximum temperature	26.1 C (79.0 F)	32 of 100 (Routine)
Yellowstone Park Mammoth	United States	Record high maximum temperature	21.1 C (70.0 F)	32 of 100 (Routine)
Jarrahdale	Australia	Record daily precipitation	39.2 mm (1.5 in)	31 of 100 (Routine)
Haliburton A	Canada	Record low maximum temperature	0.6 C (33.1 F)	31 of 100 (Routine)

Counts by Type and Timescale

1,122 records

Records set or tied on 20 October 1974 by type: Highest daily maximum 128, Lowest daily maximum 355, Highest daily minimum 52, Lowest daily minimum 221, Heaviest daily rainfall 277, Heaviest daily snowfall 68, Deepest snow cover 21.

Records on 20 October 1974 by type
Record type	Records
Highest daily maximum	128
Lowest daily maximum	355
Highest daily minimum	52
Lowest daily minimum	221
Heaviest daily rainfall	277
Heaviest daily snowfall	68
Deepest snow cover	21

Records on 20 October 1974 by timescale: all-time 0, monthly 83, daily 1,039.

How Much Records Were Beaten By

887 broken records

Margins by which the 887 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 300.0. Ties are not counted.

Top 20 by Significance

20 October 1974

Top 20 records on 20 October 1974 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 October 1974	Carbla Station, AU	monthly rain	41.4 mm (1.6 in)	16.0 mm (0.6 in)	58 years	70 of 100 (Major)
20 October 1974	Forest Grove, AU	monthly rain	115.8 mm (4.6 in)	70.6 mm (2.8 in)	41 years	67 of 100 (Major)
20 October 1974	Cooralya, AU	daily rain	27.0 mm (1.1 in)	27.0 mm (1.1 in)	82 years	59 of 100 (Notable)
20 October 1974	Tabl.Mtn Molteno Rsv, ZA	daily rain	30.6 mm (1.2 in)	21.7 mm (0.9 in)	81 years	57 of 100 (Notable)
20 October 1974	Doorawarrah, AU	daily rain	33.0 mm (1.3 in)	23.6 mm (0.9 in)	57 years	54 of 100 (Notable)
20 October 1974	Nappan Cda, CA	daily snowfall	20.3 cm (8.0 in)	20.0 cm (7.9 in)	21 years	54 of 100 (Notable)
20 October 1974	Table.Mtn Platteklip, ZA	daily rain	31.0 mm (1.2 in)	20.8 mm (0.8 in)	81 years	54 of 100 (Notable)
20 October 1974	Shearwater A, CA	monthly snowfall	33.0 cm (13.0 in)	25.4 cm (10.0 in)	2 years	53 of 100 (Notable)
20 October 1974	Yarmouth A, CA	monthly snowfall	37.6 cm (14.8 in)	30.0 cm (11.8 in)	2 years	53 of 100 (Notable)
20 October 1974	Cartwright, CA	daily snowfall	17.0 cm (6.7 in)	13.2 cm (5.2 in)	24 years	51 of 100 (Notable)
20 October 1974	Greenwood A, CA	monthly snowfall	29.5 cm (11.6 in)	18.3 cm (7.2 in)	4 years	50 of 100 (Notable)
20 October 1974	Sidney 2 N, US	monthly snowfall	12.7 cm (5.0 in)	9.1 cm (3.6 in)	48 years	50 of 100 (Notable)
20 October 1974	Brickhouse, AU	monthly rain	42.2 mm (1.7 in)	15.5 mm (0.6 in)	26 years	49 of 100 (Notable)
20 October 1974	Moncton, CA	monthly snowfall	22.4 cm (8.8 in)	7.2 cm (2.8 in)	33 years	49 of 100 (Notable)
20 October 1974	Atlantic City Marina, US	monthly low min	-2.2 C (28.0 F)	0.5 C (0.9 F)	94 years	49 of 100 (Notable)
20 October 1974	Hamelin Pool, AU	monthly rain	37.8 mm (1.5 in)	10.4 mm (0.4 in)	26 years	47 of 100 (Notable)
20 October 1974	Natashquan A, CA	daily snowfall	16.0 cm (6.3 in)	16.0 cm (6.3 in)	60 years	46 of 100 (Notable)
20 October 1974	Norfolk 2 SW, US	monthly low min	-8.3 C (17.1 F)	0.5 C (0.9 F)	88 years	46 of 100 (Notable)
20 October 1974	Mount Uniacke, CA	monthly snowfall	30.5 cm (12.0 in)	15.3 cm (6.0 in)	2 years	45 of 100 (Notable)
20 October 1974	Yaringa Station, AU	monthly rain	39.4 mm (1.6 in)	10.2 mm (0.4 in)	26 years	44 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 1974

Records set or tied on this calendar date in each year from 1806 to 1974. 1974 had 1,122 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 1974-10-20: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 50	852
50 to 100	20
100 to 150	8
150 to 200	3
200 to 250	1
250 to 300	3