Weather Records on 11 December 1975

454 weather records were set or tied worldwide on 11 December 1975. Highest significance: Bloomsbury Post Office, AU.

Key Facts for 11 December 1975

On 11 December 1975, 454 weather records were set or tied at long-record stations worldwide.
92 were record highs and 92 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 13 monthly and 440 daily.
Bloomsbury Post Office set a monthly record daily precipitation of 238.8 mm (9.4 in) on 11 December 1975.
Across 154 earlier years (1796 to 2025) the same calendar date averaged 473 records.

Record Map

454 stations

454 station records on 11 December 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 December 1975: highest significance records shown on the map
Station	Country	Type	Value	Significance
Bloomsbury Post Office	Australia	Record daily precipitation	238.8 mm (9.4 in)	75 of 100 (Major)
Low Isles Lighthouse	Australia	Record daily precipitation	138.8 mm (5.5 in)	65 of 100 (Major)
Novosibirsk	Russia	Record daily precipitation	25.9 mm (1.0 in)	64 of 100 (Major)
Proserpine Post Office	Australia	Record daily precipitation	193.2 mm (7.6 in)	60 of 100 (Major)
Mystic Lake	United States	Record daily snowfall	30.5 cm (12.0 in)	58 of 100 (Notable)
Bowen Post Office	Australia	Record daily precipitation	93.7 mm (3.7 in)	57 of 100 (Notable)
Boyatup	Australia	Record daily precipitation	32.2 mm (1.3 in)	56 of 100 (Notable)
Julatten	Australia	Record daily precipitation	109.0 mm (4.3 in)	56 of 100 (Notable)
Three Rivers	Australia	Record daily precipitation	75.0 mm (3.0 in)	51 of 100 (Notable)
Musgrave	Australia	Record daily precipitation	102.8 mm (4.0 in)	51 of 100 (Notable)
Inkerman Station	Australia	Record daily precipitation	110.6 mm (4.4 in)	50 of 100 (Notable)
Rapelje	United States	Record daily snowfall	22.9 cm (9.0 in)	49 of 100 (Notable)
Wilmington (Range Vue)	Australia	Record daily precipitation	34.2 mm (1.3 in)	48 of 100 (Notable)
Gargett Post Office	Australia	Record daily precipitation	169.6 mm (6.7 in)	48 of 100 (Notable)
Clare	Australia	Record daily precipitation	67.6 mm (2.7 in)	47 of 100 (Notable)
Charters Towers Post Office	Australia	Record daily precipitation	47.6 mm (1.9 in)	47 of 100 (Notable)
Mulga Downs	Australia	Record daily precipitation	48.0 mm (1.9 in)	46 of 100 (Notable)
Koah	Australia	Record daily precipitation	60.4 mm (2.4 in)	46 of 100 (Notable)
Finch Hatton Cook St	Australia	Record daily precipitation	157.0 mm (6.2 in)	46 of 100 (Notable)
Sydney A	Canada	Record daily precipitation	85.9 mm (3.4 in)	46 of 100 (Notable)
Port Aux Basques	Canada	Record daily precipitation	79.2 mm (3.1 in)	46 of 100 (Notable)
Lochnagar	Australia	Record daily precipitation	43.0 mm (1.7 in)	45 of 100 (Notable)
Port Lincoln	Australia	Record high maximum temperature	41.2 C (106.2 F)	45 of 100 (Notable)
Club Crocodile Resort	Australia	Record daily precipitation	232.0 mm (9.1 in)	45 of 100 (Notable)
Port Hastings	Canada	Record daily precipitation	63.8 mm (2.5 in)	45 of 100 (Notable)
Calen Post Office	Australia	Record daily precipitation	162.0 mm (6.4 in)	44 of 100 (Notable)
Marillana	Australia	Record daily precipitation	31.0 mm (1.2 in)	43 of 100 (Notable)
Ayton	Australia	Record daily precipitation	129.4 mm (5.1 in)	43 of 100 (Notable)
Port Douglas - Warner St	Australia	Record daily precipitation	111.2 mm (4.4 in)	43 of 100 (Notable)
Dalrymple Heights	Australia	Record daily precipitation	201.0 mm (7.9 in)	43 of 100 (Notable)
Eton Police Station	Australia	Record daily precipitation	115.0 mm (4.5 in)	42 of 100 (Notable)
Koumala Hatfields Road	Australia	Record daily precipitation	91.6 mm (3.6 in)	42 of 100 (Notable)
Balfes Creek Post Office	Australia	Record daily precipitation	29.6 mm (1.2 in)	42 of 100 (Notable)
Pleystowe Sugar Mill	Australia	Record daily precipitation	87.6 mm (3.4 in)	41 of 100 (Notable)
Sellheim	Australia	Record daily precipitation	79.0 mm (3.1 in)	41 of 100 (Notable)
Melbourne Regional Office	Australia	Record high maximum temperature	39.0 C (102.2 F)	41 of 100 (Notable)
Mount Molloy Post Office	Australia	Record daily precipitation	76.0 mm (3.0 in)	40 of 100 (Notable)
Waskada	Canada	Record daily snowfall	15.2 cm (6.0 in)	40 of 100 (Notable)
Turee Creek	Australia	Record daily precipitation	45.0 mm (1.8 in)	39 of 100 (Notable)
Bodallin South	Australia	Record daily precipitation	40.0 mm (1.6 in)	39 of 100 (Notable)
Gorya Valley	Australia	Record daily precipitation	37.8 mm (1.5 in)	39 of 100 (Notable)
Lethebrook	Australia	Record daily precipitation	285.6 mm (11.2 in)	39 of 100 (Notable)
Woodhouse	Australia	Record daily precipitation	75.1 mm (3.0 in)	39 of 100 (Notable)
Ponce 4 E	Puerto Rico [United States]	Record daily precipitation	54.6 mm (2.1 in)	39 of 100 (Notable)
Amidon	United States	Record daily snowfall	12.7 cm (5.0 in)	39 of 100 (Notable)
Belmont	Australia	Record daily precipitation	26.0 mm (1.0 in)	38 of 100 (Notable)
Collaroy Station	Australia	Record daily precipitation	55.4 mm (2.2 in)	37 of 100 (Notable)
Kairi Research Station	Australia	Record daily precipitation	50.2 mm (2.0 in)	36 of 100 (Notable)
Nooitgedacht	South Africa	Record daily precipitation	46.0 mm (1.8 in)	36 of 100 (Notable)
Cooktown Post Office	Australia	Record daily precipitation	104.6 mm (4.1 in)	35 of 100 (Notable)
Yarrabah Comm Council	Australia	Record daily precipitation	183.0 mm (7.2 in)	35 of 100 (Notable)
Burdekin Shire Council	Australia	Record daily precipitation	75.6 mm (3.0 in)	35 of 100 (Notable)
Mingela Post Office	Australia	Record daily precipitation	48.0 mm (1.9 in)	35 of 100 (Notable)
Reid River Railway Station	Australia	Record daily precipitation	80.0 mm (3.1 in)	35 of 100 (Notable)
Beiarn	Norway	Record daily precipitation	42.4 mm (1.7 in)	35 of 100 (Notable)
Juana Diaz Camp	Puerto Rico [United States]	Record daily precipitation	42.9 mm (1.7 in)	35 of 100 (Notable)
Salmon Gums Res.STN.	Australia	Record daily precipitation	38.8 mm (1.5 in)	34 of 100 (Routine)
Farleigh Co-Op Sugar Mill	Australia	Record daily precipitation	96.4 mm (3.8 in)	34 of 100 (Routine)
Giru Post Office	Australia	Record daily precipitation	69.4 mm (2.7 in)	34 of 100 (Routine)
Harrington Harbour	Canada	Record daily precipitation	37.3 mm (1.5 in)	34 of 100 (Routine)

Counts by Type and Timescale

454 records

Records set or tied on 11 December 1975 by type: Highest daily maximum 67, Lowest daily maximum 44, Highest daily minimum 25, Lowest daily minimum 48, Heaviest daily rainfall 244, Heaviest daily snowfall 23, Deepest snow cover 3.

Records on 11 December 1975 by type
Record type	Records
Highest daily maximum	67
Lowest daily maximum	44
Highest daily minimum	25
Lowest daily minimum	48
Heaviest daily rainfall	244
Heaviest daily snowfall	23
Deepest snow cover	3

Records on 11 December 1975 by timescale: all-time 1, monthly 13, daily 440.

How Much Records Were Beaten By

397 broken records

Margins by which the 397 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 229.0. Ties are not counted.

Top 20 by Significance

11 December 1975

Top 20 records on 11 December 1975 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 December 1975	Bloomsbury Post Office, AU	monthly rain	238.8 mm (9.4 in)	69.6 mm (2.7 in)	81 years	75 of 100 (Major)
11 December 1975	Low Isles Lighthouse, AU	daily rain	138.8 mm (5.5 in)	84.2 mm (3.3 in)	87 years	65 of 100 (Major)
11 December 1975	Novosibirsk, RU	daily rain	25.9 mm (1.0 in)	18.7 mm (0.7 in)	58 years	64 of 100 (Major)
11 December 1975	Proserpine Post Office, AU	daily rain	193.2 mm (7.6 in)	136.8 mm (5.4 in)	42 years	60 of 100 (Major)
11 December 1975	Mystic Lake, US	daily snowfall	30.5 cm (12.0 in)	22.9 cm (9.0 in)	44 years	58 of 100 (Notable)
11 December 1975	Bowen Post Office, AU	daily rain	93.7 mm (3.7 in)	55.6 mm (2.2 in)	80 years	57 of 100 (Notable)
11 December 1975	Boyatup, AU	daily rain	32.2 mm (1.3 in)	23.1 mm (0.9 in)	52 years	56 of 100 (Notable)
11 December 1975	Julatten, AU	daily rain	109.0 mm (4.3 in)	72.4 mm (2.9 in)	42 years	56 of 100 (Notable)
11 December 1975	Three Rivers, AU	daily rain	75.0 mm (3.0 in)	68.6 mm (2.7 in)	18 years	51 of 100 (Notable)
11 December 1975	Musgrave, AU	daily rain	102.8 mm (4.0 in)	60.9 mm (2.4 in)	50 years	51 of 100 (Notable)
11 December 1975	Inkerman Station, AU	daily rain	110.6 mm (4.4 in)	75.8 mm (3.0 in)	64 years	50 of 100 (Notable)
11 December 1975	Rapelje, US	daily snowfall	22.9 cm (9.0 in)	12.7 cm (5.0 in)	56 years	49 of 100 (Notable)
11 December 1975	Wilmington (Range Vue), AU	daily rain	34.2 mm (1.3 in)	28.4 mm (1.1 in)	37 years	48 of 100 (Notable)
11 December 1975	Gargett Post Office, AU	daily rain	169.6 mm (6.7 in)	132.0 mm (5.2 in)	9 years	48 of 100 (Notable)
11 December 1975	Clare, AU	daily rain	67.6 mm (2.7 in)	49.8 mm (2.0 in)	64 years	47 of 100 (Notable)
11 December 1975	Charters Towers Post Office, AU	daily rain	47.6 mm (1.9 in)	22.7 mm (0.9 in)	83 years	47 of 100 (Notable)
11 December 1975	Mulga Downs, AU	daily rain	48.0 mm (1.9 in)	36.6 mm (1.4 in)	29 years	46 of 100 (Notable)
11 December 1975	Koah, AU	daily rain	60.4 mm (2.4 in)	52.3 mm (2.1 in)	16 years	46 of 100 (Notable)
11 December 1975	Finch Hatton Cook St, AU	daily rain	157.0 mm (6.2 in)	120.2 mm (4.7 in)	1 year	46 of 100 (Notable)
11 December 1975	Sydney A, CA	monthly rain	85.9 mm (3.4 in)	25.7 mm (1.0 in)	22 years	46 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

1796 to 1975

Records set or tied on this calendar date in each year from 1796 to 1975. 1975 had 454 records.

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

Records on 12-11 in each year
Year	Records
1796	2
1808	2
1815	2
1825	2
1841	1
1852	1
1855	2
1862	1
1868	1
1869	3
1871	4
1872	1
1876	2
1877	1
1878	2
1879	4
1880	2
1882	3
1886	1
1887	1
1889	1
1891	3
1892	2
1893	3
1894	1
1895	4
1897	2
1898	14
1899	5
1900	4
1901	5
1902	6
1903	2
1904	28
1905	15
1906	12
1907	30
1908	18
1909	7
1910	31
1911	49
1912	36
1913	8
1914	13
1915	93
1916	55
1917	103
1918	32
1919	40
1920	58
1921	49
1922	143
1923	88
1924	84
1925	81
1926	77
1927	232
1928	111
1929	345
1930	72
1931	762
1932	696
1933	260
1934	480
1935	290
1936	357
1937	839
1938	231
1939	626
1940	302
1941	353
1942	263
1943	196
1944	407
1945	234
1946	717
1947	342
1948	153
1949	1,201
1950	463
1951	261
1952	923
1953	157
1954	492
1955	312
1956	300
1957	517
1958	985
1959	322
1960	746
1961	1,300
1962	723
1963	604
1964	542
1965	1,216
1966	525
1967	945
1968	543
1969	587
1970	617
1971	900
1972	1,514
1973	334
1974	313
1975	454
1976	380
1977	1,182
1978	678
1979	847
1980	522
1981	949
1982	657
1983	971
1984	1,013
1985	1,471
1986	561
1987	639
1988	850
1989	584
1990	747
1991	1,102
1992	1,357
1993	749
1994	1,243
1995	1,837
1996	1,307
1997	1,203
1998	1,012
1999	769
2000	1,584
2001	626
2002	1,139
2003	646
2004	1,166
2005	816
2006	858
2007	1,613
2008	1,312
2009	1,091
2010	1,284
2011	416
2012	618
2013	737
2014	893
2015	1,183
2016	489
2017	670
2018	353
2019	442
2020	517
2021	1,175
2022	679
2023	814
2024	539
2025	1,691

Download the Data

Data for records on 1975-12-11: 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	363
50 to 100	25
100 to 150	6
150 to 200	2
200 to 250	1