Weather Records on 20 December 1975

610 weather records were set or tied worldwide on 20 December 1975. Highest significance: Strathmore, AU.

Key Facts for 20 December 1975

On 20 December 1975, 610 weather records were set or tied at long-record stations worldwide.
44 were record highs and 187 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 10 monthly and 599 daily.
Strathmore set an all-time record daily precipitation of 247.0 mm (9.7 in) on 20 December 1975.
Across 163 earlier years (1793 to 2025) the same calendar date averaged 466 records.

Record Map

610 stations

610 station records on 20 December 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 December 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Strathmore	Australia	Record daily precipitation	247.0 mm (9.7 in)	62 of 100 (Major)
Toogoolawah Post Office	Australia	Record daily precipitation	109.2 mm (4.3 in)	60 of 100 (Major)
Wondalli	Australia	Record daily precipitation	76.2 mm (3.0 in)	60 of 100 (Major)
Telemon Station	Australia	Record daily precipitation	77.4 mm (3.0 in)	59 of 100 (Notable)
Taabinga	Australia	Record daily precipitation	108.0 mm (4.3 in)	59 of 100 (Notable)
Canning Downs	Australia	Record daily precipitation	73.0 mm (2.9 in)	56 of 100 (Notable)
Cambooya Post Office	Australia	Record daily precipitation	109.0 mm (4.3 in)	55 of 100 (Notable)
Hermitage	Australia	Record daily precipitation	71.2 mm (2.8 in)	55 of 100 (Notable)
Uralla (Salisbury Court)	Australia	Record daily precipitation	57.8 mm (2.3 in)	54 of 100 (Notable)
Blakefield	Australia	Record daily precipitation	100.4 mm (4.0 in)	53 of 100 (Notable)
Wellingrove (Wangalea)	Australia	Record daily precipitation	33.0 mm (1.3 in)	50 of 100 (Notable)
Maristova	Norway	Record daily precipitation	26.3 mm (1.0 in)	50 of 100 (Notable)
Mount Cotton West	Australia	Record daily precipitation	113.4 mm (4.5 in)	49 of 100 (Notable)
Woomera	Australia	Record daily precipitation	64.2 mm (2.5 in)	48 of 100 (Notable)
Dingwall	Australia	Record daily precipitation	51.2 mm (2.0 in)	48 of 100 (Notable)
Kynnersley	Australia	Record daily precipitation	47.8 mm (1.9 in)	46 of 100 (Notable)
Upper Orara (Aurania)	Australia	Record daily precipitation	111.2 mm (4.4 in)	46 of 100 (Notable)
Namdalseid	Norway	Record daily precipitation	37.0 mm (1.5 in)	46 of 100 (Notable)
Mt Clemens Ang Base	United States	Record daily snowfall	15.2 cm (6.0 in)	46 of 100 (Notable)
Helidon Post Office	Australia	Record daily precipitation	68.0 mm (2.7 in)	45 of 100 (Notable)
Kookabookra	Australia	Record daily precipitation	47.6 mm (1.9 in)	45 of 100 (Notable)
Tarkastad (Pol)	South Africa	Record daily precipitation	48.0 mm (1.9 in)	45 of 100 (Notable)
Greenvale	Australia	Record daily precipitation	92.3 mm (3.6 in)	44 of 100 (Notable)
The Valley	Australia	Record daily precipitation	165.0 mm (6.5 in)	44 of 100 (Notable)
Tenterfield (Federation Park)	Australia	Record daily precipitation	69.4 mm (2.7 in)	44 of 100 (Notable)
Arcade	United States	Record daily snowfall	15.2 cm (6.0 in)	44 of 100 (Notable)
Farleigh Co-Op Sugar Mill	Australia	Record daily precipitation	118.4 mm (4.7 in)	43 of 100 (Notable)
Texas Post Office	Australia	Record daily precipitation	81.4 mm (3.2 in)	43 of 100 (Notable)
Lambertina	South Africa	Record daily precipitation	69.5 mm (2.7 in)	43 of 100 (Notable)
Glen Morrison (Millbank)	Australia	Record daily precipitation	34.0 mm (1.3 in)	42 of 100 (Notable)
Bellbrook (East Street)	Australia	Record daily precipitation	55.8 mm (2.2 in)	42 of 100 (Notable)
Elliotdale (Tnk)	South Africa	Record daily precipitation	46.5 mm (1.8 in)	42 of 100 (Notable)
Mantuan Downs	Australia	Record daily precipitation	85.6 mm (3.4 in)	41 of 100 (Notable)
Orion	Australia	Record daily precipitation	91.0 mm (3.6 in)	41 of 100 (Notable)
Westgrove	Australia	Record daily precipitation	60.0 mm (2.4 in)	41 of 100 (Notable)
Port Hastings	Canada	Record low minimum temperature	-17.8 C (0.0 F)	41 of 100 (Notable)
Torrens Creek Post Office	Australia	Record daily precipitation	75.4 mm (3.0 in)	40 of 100 (Notable)
Woodbine Station	Australia	Record daily precipitation	87.6 mm (3.4 in)	40 of 100 (Notable)
Bollon Mary St	Australia	Record daily precipitation	26.2 mm (1.0 in)	40 of 100 (Notable)
Ladysdale	South Africa	Record daily precipitation	68.5 mm (2.7 in)	40 of 100 (Notable)
Leipikvattnet	Sweden	Record daily precipitation	29.5 mm (1.2 in)	40 of 100 (Notable)
Dorrigo Post Office	Australia	Record daily precipitation	86.0 mm (3.4 in)	39 of 100 (Notable)
Plattsburgh AFB	United States	Record low maximum temperature	-18.9 C (-2.0 F)	39 of 100 (Notable)
Goodger Store	Australia	Record daily precipitation	88.0 mm (3.5 in)	38 of 100 (Notable)
Manly Railway Station	Australia	Record daily precipitation	50.4 mm (2.0 in)	38 of 100 (Notable)
Boatman Station	Australia	Record daily precipitation	51.0 mm (2.0 in)	38 of 100 (Notable)
Boggabri (Milchengowrie)	Australia	Record daily precipitation	25.2 mm (1.0 in)	38 of 100 (Notable)
Zastron (Tnk)	South Africa	Record daily precipitation	64.5 mm (2.5 in)	38 of 100 (Notable)
Auburn	United States	Record daily snowfall	18.3 cm (7.2 in)	38 of 100 (Notable)
Moorang	Australia	Record daily precipitation	58.0 mm (2.3 in)	37 of 100 (Notable)
Armidale (Radio Station 2Ad)	Australia	Record daily precipitation	47.8 mm (1.9 in)	37 of 100 (Notable)
Montague 4 NW	United States	Record daily snowfall	17.8 cm (7.0 in)	37 of 100 (Notable)
Grafton	United States	Record low maximum temperature	-12.2 C (10.0 F)	37 of 100 (Notable)
Mirtna	Australia	Record daily precipitation	80.2 mm (3.2 in)	36 of 100 (Notable)
Lindfield	Australia	Record daily precipitation	65.4 mm (2.6 in)	36 of 100 (Notable)
Urunga (Sunset Place)	Australia	Record daily precipitation	89.0 mm (3.5 in)	36 of 100 (Notable)
Rogers City 3 S	United States	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Manitowoc	United States	Record daily snowfall	15.2 cm (6.0 in)	36 of 100 (Notable)
Aurukun Shire Council	Australia	Record daily precipitation	93.8 mm (3.7 in)	35 of 100 (Notable)
West Quarter	Australia	Record daily precipitation	31.6 mm (1.2 in)	35 of 100 (Notable)

Counts by Type and Timescale

610 records

Records set or tied on 20 December 1975 by type: Highest daily maximum 22, Lowest daily maximum 84, Highest daily minimum 22, Lowest daily minimum 103, Heaviest daily rainfall 325, Heaviest daily snowfall 47, Deepest snow cover 7.

Records on 20 December 1975 by type
Record type	Records
Highest daily maximum	22
Lowest daily maximum	84
Highest daily minimum	22
Lowest daily minimum	103
Heaviest daily rainfall	325
Heaviest daily snowfall	47
Deepest snow cover	7

Records on 20 December 1975 by timescale: all-time 1, monthly 10, daily 599.

How Much Records Were Beaten By

530 broken records

Margins by which the 530 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 200.0. Ties are not counted.

Top 20 by Significance

20 December 1975

Top 20 records on 20 December 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 December 1975	Strathmore, AU	all-time rain	247.0 mm (9.7 in)	41.3 mm (1.6 in)	48 years	62 of 100 (Major)
20 December 1975	Toogoolawah Post Office, AU	daily rain	109.2 mm (4.3 in)	63.2 mm (2.5 in)	48 years	60 of 100 (Major)
20 December 1975	Wondalli, AU	daily rain	76.2 mm (3.0 in)	54.1 mm (2.1 in)	60 years	60 of 100 (Major)
20 December 1975	Telemon Station, AU	daily rain	77.4 mm (3.0 in)	46.2 mm (1.8 in)	87 years	59 of 100 (Notable)
20 December 1975	Taabinga, AU	daily rain	108.0 mm (4.3 in)	77.0 mm (3.0 in)	46 years	59 of 100 (Notable)
20 December 1975	Canning Downs, AU	daily rain	73.0 mm (2.9 in)	37.4 mm (1.5 in)	62 years	56 of 100 (Notable)
20 December 1975	Cambooya Post Office, AU	daily rain	109.0 mm (4.3 in)	68.6 mm (2.7 in)	24 years	55 of 100 (Notable)
20 December 1975	Hermitage, AU	daily rain	71.2 mm (2.8 in)	43.3 mm (1.7 in)	48 years	55 of 100 (Notable)
20 December 1975	Uralla (Salisbury Court), AU	daily rain	57.8 mm (2.3 in)	33.2 mm (1.3 in)	40 years	54 of 100 (Notable)
20 December 1975	Blakefield, AU	daily rain	100.4 mm (4.0 in)	59.8 mm (2.4 in)	24 years	53 of 100 (Notable)
20 December 1975	Wellingrove (Wangalea), AU	daily rain	33.0 mm (1.3 in)	22.3 mm (0.9 in)	76 years	50 of 100 (Notable)
20 December 1975	Maristova, NO	daily rain	26.3 mm (1.0 in)	10.8 mm (0.4 in)	62 years	50 of 100 (Notable)
20 December 1975	Mount Cotton West, AU	daily rain	113.4 mm (4.5 in)	75.3 mm (3.0 in)	32 years	49 of 100 (Notable)
20 December 1975	Woomera, AU	daily rain	64.2 mm (2.5 in)	34.7 mm (1.4 in)	40 years	48 of 100 (Notable)
20 December 1975	Dingwall, AU	daily rain	51.2 mm (2.0 in)	43.6 mm (1.7 in)	16 years	48 of 100 (Notable)
20 December 1975	Kynnersley, AU	daily rain	47.8 mm (1.9 in)	16.0 mm (0.6 in)	87 years	46 of 100 (Notable)
20 December 1975	Upper Orara (Aurania), AU	daily rain	111.2 mm (4.4 in)	66.0 mm (2.6 in)	20 years	46 of 100 (Notable)
20 December 1975	Namdalseid, NO	daily rain	37.0 mm (1.5 in)	11.0 mm (0.4 in)	70 years	46 of 100 (Notable)
20 December 1975	Mt Clemens Ang Base, US	daily snowfall	15.2 cm (6.0 in)	7.6 cm (3.0 in)	58 years	46 of 100 (Notable)
20 December 1975	Helidon Post Office, AU	daily rain	68.0 mm (2.7 in)	33.5 mm (1.3 in)	48 years	45 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

1793 to 1975

Records set or tied on this calendar date in each year from 1793 to 1975. 1975 had 610 records.

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

Records on 12-20 in each year
Year	Records
1793	1
1795	1
1804	1
1805	2
1808	1
1815	1
1828	1
1837	1
1846	1
1855	8
1858	1
1860	1
1866	1
1867	1
1868	1
1869	1
1871	2
1874	3
1875	1
1877	2
1878	1
1879	1
1880	1
1881	1
1882	1
1884	4
1885	1
1886	4
1889	4
1890	2
1891	2
1892	1
1894	2
1895	8
1896	1
1897	4
1898	2
1899	1
1900	7
1901	8
1902	14
1903	17
1904	9
1905	5
1906	5
1907	11
1908	5
1909	22
1910	17
1911	24
1912	27
1913	7
1914	43
1915	18
1916	45
1917	33
1918	18
1919	25
1920	22
1921	101
1922	88
1923	215
1924	332
1925	96
1926	163
1927	200
1928	93
1929	256
1930	67
1931	536
1932	170
1933	492
1934	265
1935	152
1936	416
1937	181
1938	240
1939	308
1940	965
1941	633
1942	817
1943	193
1944	340
1945	430
1946	327
1947	385
1948	345
1949	1,141
1950	758
1951	926
1952	394
1953	385
1954	416
1955	726
1956	471
1957	1,354
1958	382
1959	142
1960	354
1961	369
1962	475
1963	875
1964	499
1965	353
1966	555
1967	1,370
1968	482
1969	514
1970	518
1971	441
1972	448
1973	1,184
1974	328
1975	610
1976	382
1977	484
1978	910
1979	600
1980	667
1981	1,681
1982	712
1983	2,995
1984	1,411
1985	1,035
1986	321
1987	1,179
1988	760
1989	1,812
1990	1,885
1991	1,172
1992	1,134
1993	1,266
1994	813
1995	1,128
1996	1,448
1997	651
1998	1,110
1999	938
2000	1,150
2001	523
2002	943
2003	1,315
2004	836
2005	515
2006	1,387
2007	986
2008	1,356
2009	1,502
2010	2,055
2011	846
2012	1,131
2013	584
2014	524
2015	1,238
2016	603
2017	688
2018	592
2019	731
2020	554
2021	442
2022	567
2023	1,242
2024	897
2025	1,166

Download the Data

Data for records on 1975-12-20: 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 25	441
25 to 50	63
50 to 75	16
75 to 100	5
100 to 125	4
125 to 150	0
150 to 175	0
175 to 200	1