Weather Records on 9 December 1945

178 weather records were set or tied worldwide on 9 December 1945. Highest significance: Campos Sales, BR.

Key Facts for 9 December 1945

On 9 December 1945, 178 weather records were set or tied at long-record stations worldwide.
23 were record highs and 93 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 1 monthly and 177 daily.
Campos Sales set a monthly record daily precipitation of 130.2 mm (5.1 in) on 9 December 1945.
Across 157 earlier years (1796 to 2025) the same calendar date averaged 477 records.

Record Map

178 stations

178 station records on 9 December 1945 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 9 December 1945: highest significance records shown on the map
Station	Country	Type	Value	Significance
Campos Sales	Brazil	Record daily precipitation	130.2 mm (5.1 in)	47 of 100 (Notable)
Arnsberg	Germany	Record snow depth	17.0 cm (6.7 in)	40 of 100 (Notable)
Tambrey	Australia	Record daily precipitation	38.1 mm (1.5 in)	39 of 100 (Notable)
Guaraciaba Do Norte	Brazil	Record daily precipitation	69.0 mm (2.7 in)	38 of 100 (Notable)
Dawson	Canada	Record daily snowfall	19.1 cm (7.5 in)	35 of 100 (Notable)
Arnsberg	Germany	Record low maximum temperature	-8.0 C (17.6 F)	31 of 100 (Routine)
Inverell Comparison	Australia	Record high maximum temperature	37.2 C (99.0 F)	29 of 100 (Routine)
Mine Centre	Canada	Record daily snowfall	17.8 cm (7.0 in)	29 of 100 (Routine)
Lihue 1020	United States	Record daily precipitation	66.3 mm (2.6 in)	29 of 100 (Routine)
Petrolina	Brazil	Record daily precipitation	30.7 mm (1.2 in)	28 of 100 (Routine)
E Lawai 934	United States	Record daily precipitation	49.5 mm (1.9 in)	27 of 100 (Routine)
Marseille Obs. Palais-Lonchamp	France	Record low maximum temperature	1.0 C (33.8 F)	26 of 100 (Routine)
Kursk	Russia	Record low maximum temperature	-15.6 C (3.9 F)	25 of 100 (Routine)
Senhor Do Bonfim	Brazil	Record daily precipitation	36.0 mm (1.4 in)	24 of 100 (Routine)
Deols Chateauroux Aerodrome de	France	Record low minimum temperature	-10.5 C (13.1 F)	24 of 100 (Routine)
Innsbruck	Austria	Record low maximum temperature	-7.4 C (18.7 F)	23 of 100 (Routine)
Koloa 936	United States	Record daily precipitation	49.5 mm (1.9 in)	23 of 100 (Routine)
Thiruvananthapuram	India	Record daily precipitation	36.3 mm (1.4 in)	22 of 100 (Routine)
Geneve Observatoire	Switzerland	Record low maximum temperature	-5.7 C (21.7 F)	22 of 100 (Routine)
Uman	Ukraine	Record low maximum temperature	-8.2 C (17.2 F)	22 of 100 (Routine)
Waianae 798	United States	Record low maximum temperature	23.9 C (75.0 F)	22 of 100 (Routine)
Carlton Hill	Australia	Record daily precipitation	50.8 mm (2.0 in)	21 of 100 (Routine)
Big Creek	Canada	Record daily snowfall	10.9 cm (4.3 in)	21 of 100 (Routine)
Basel Binningen	Switzerland	Record low maximum temperature	-7.4 C (18.7 F)	21 of 100 (Routine)
Uman	Ukraine	Record low minimum temperature	-17.2 C (1.0 F)	21 of 100 (Routine)
Minot Exp STN	United States	Record snow depth	17.8 cm (7.0 in)	21 of 100 (Routine)
Mine Centre	Canada	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Caio Prado	Brazil	Record daily precipitation	15.1 mm (0.6 in)	20 of 100 (Routine)
Dawson	Canada	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Kokshetay	Kazakhstan	Record daily precipitation	6.5 mm (0.26 in)	20 of 100 (Routine)
Brookings 2 NE	United States	Record snow depth	7.6 cm (3.0 in)	20 of 100 (Routine)
Steigen	Norway	Record daily precipitation	24.2 mm (1.0 in)	20 of 100 (Routine)
Kooskia	United States	Record daily snowfall	3.8 cm (1.5 in)	20 of 100 (Routine)
Petropavlovsk	Kazakhstan	Record daily precipitation	2.5 mm (0.10 in)	20 of 100 (Routine)
De Bilt	Netherlands	Record low maximum temperature	-4.5 C (23.9 F)	20 of 100 (Routine)
Aleksandrovsk-Sahalinskij	Russia	Record low minimum temperature	-29.7 C (-21.5 F)	20 of 100 (Routine)
Palmaryville	South Africa	Record daily precipitation	104.1 mm (4.1 in)	20 of 100 (Routine)
Zuerich/Fluntern	Switzerland	Record low minimum temperature	-10.9 C (12.4 F)	20 of 100 (Routine)
Saguache	United States	Record low maximum temperature	-3.9 C (25.0 F)	20 of 100 (Routine)
Le Bourget	France	Record low minimum temperature	-8.5 C (16.7 F)	19 of 100 (Routine)
Calarasi	Romania	Record low maximum temperature	-6.5 C (20.3 F)	19 of 100 (Routine)
Aleksandrovsk-Sahalinskij	Russia	Record low maximum temperature	-18.4 C (-1.1 F)	19 of 100 (Routine)
Zuerich/Fluntern	Switzerland	Record low maximum temperature	-8.4 C (16.9 F)	19 of 100 (Routine)
Tooele	United States	Record daily precipitation	7.6 mm (0.30 in)	19 of 100 (Routine)
Makapuu Point 724	United States	Record daily precipitation	25.4 mm (1.0 in)	19 of 100 (Routine)
Portage la Prairie	Canada	Record low maximum temperature	-23.3 C (-9.9 F)	18 of 100 (Routine)
Marseille Obs. Palais-Lonchamp	France	Record low minimum temperature	-5.0 C (23.0 F)	18 of 100 (Routine)
Lubeck-Werft	Germany	Record low minimum temperature	-10.8 C (12.6 F)	18 of 100 (Routine)
Noyyatinkara	India	Record daily precipitation	44.7 mm (1.8 in)	18 of 100 (Routine)
Ambari	India	Record daily precipitation	27.9 mm (1.1 in)	18 of 100 (Routine)
Luakaha Lower 782	United States	Record daily precipitation	40.6 mm (1.6 in)	18 of 100 (Routine)
Deols Chateauroux Aerodrome de	France	Record low maximum temperature	-3.0 C (26.6 F)	17 of 100 (Routine)
Buzau	Romania	Record low maximum temperature	-5.4 C (22.3 F)	17 of 100 (Routine)
Dudinka	Russia	Record daily precipitation	4.1 mm (0.16 in)	17 of 100 (Routine)
Mahackala	Russia	Record low maximum temperature	-9.7 C (14.5 F)	17 of 100 (Routine)
Lowville	United States	Record high maximum temperature	8.9 C (48.0 F)	17 of 100 (Routine)
Iraucuba	Brazil	Record daily precipitation	6.0 mm (0.24 in)	16 of 100 (Routine)
Big Creek	Canada	Record daily precipitation	10.9 mm (0.4 in)	16 of 100 (Routine)
Astrakan	Russia	Record low minimum temperature	-22.9 C (-9.2 F)	16 of 100 (Routine)
Basel Binningen	Switzerland	Record low minimum temperature	-12.2 C (10.0 F)	16 of 100 (Routine)

Counts by Type and Timescale

178 records

Records set or tied on 9 December 1945 by type: Highest daily maximum 13, Lowest daily maximum 51, Highest daily minimum 10, Lowest daily minimum 42, Heaviest daily rainfall 45, Heaviest daily snowfall 9, Deepest snow cover 8.

Records on 9 December 1945 by type
Record type	Records
Highest daily maximum	13
Lowest daily maximum	51
Highest daily minimum	10
Lowest daily minimum	42
Heaviest daily rainfall	45
Heaviest daily snowfall	9
Deepest snow cover	8

Records on 9 December 1945 by timescale: all-time 0, monthly 1, daily 177.

How Much Records Were Beaten By

148 broken records

Margins by which the 148 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.0. Ties are not counted.

Top 20 by Significance

9 December 1945

Top 20 records on 9 December 1945 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
9 December 1945	Campos Sales, BR	monthly rain	130.2 mm (5.1 in)	50.1 mm (2.0 in)	29 years	47 of 100 (Notable)
9 December 1945	Arnsberg, DE	daily snow depth	17.0 cm (6.7 in)	9.0 cm (3.5 in)	55 years	40 of 100 (Notable)
9 December 1945	Tambrey, AU	daily rain	38.1 mm (1.5 in)	26.9 mm (1.1 in)	36 years	39 of 100 (Notable)
9 December 1945	Guaraciaba Do Norte, BR	daily rain	69.0 mm (2.7 in)	65.0 mm (2.6 in)	32 years	38 of 100 (Notable)
9 December 1945	Dawson, CA	daily snowfall	19.1 cm (7.5 in)	8.4 cm (3.3 in)	22 years	35 of 100 (Notable)
9 December 1945	Arnsberg, DE	daily low max	-8.0 C (17.6 F)	5.5 C (9.9 F)	43 years	31 of 100 (Routine)
9 December 1945	Inverell Comparison, AU	daily high max	37.2 C (99.0 F)	1.1 C (2.0 F)	68 years	29 of 100 (Routine)
9 December 1945	Mine Centre, CA	daily snowfall	17.8 cm (7.0 in)	10.2 cm (4.0 in)	2 years	29 of 100 (Routine)
9 December 1945	Lihue 1020, US	daily rain	66.3 mm (2.6 in)	31.5 mm (1.2 in)	26 years	29 of 100 (Routine)
9 December 1945	Petrolina, BR	daily rain	30.7 mm (1.2 in)	26.4 mm (1.0 in)	30 years	28 of 100 (Routine)
9 December 1945	E Lawai 934, US	daily rain	49.5 mm (1.9 in)	26.6 mm (1.0 in)	24 years	27 of 100 (Routine)
9 December 1945	Marseille Obs. Palais-Lonchamp, FR	daily low max	1.0 C (33.8 F)	3.3 C (5.9 F)	45 years	26 of 100 (Routine)
9 December 1945	Kursk, RU	daily low max	-15.6 C (3.9 F)	3.3 C (5.9 F)	47 years	25 of 100 (Routine)
9 December 1945	Senhor Do Bonfim, BR	daily rain	36.0 mm (1.4 in)	24.1 mm (0.9 in)	24 years	24 of 100 (Routine)
9 December 1945	Deols Chateauroux Aerodrome de, FR	daily low min	-10.5 C (13.1 F)	4.0 C (7.2 F)	43 years	24 of 100 (Routine)
9 December 1945	Innsbruck, AT	daily low max	-7.4 C (18.7 F)	2.1 C (3.8 F)	45 years	23 of 100 (Routine)
9 December 1945	Koloa 936, US	daily rain	49.5 mm (1.9 in)	20.5 mm (0.8 in)	26 years	23 of 100 (Routine)
9 December 1945	Thiruvananthapuram, IN	daily rain	36.3 mm (1.4 in)	14.7 mm (0.6 in)	34 years	22 of 100 (Routine)
9 December 1945	Geneve Observatoire, CH	daily low max	-5.7 C (21.7 F)	4.2 C (7.6 F)	32 years	22 of 100 (Routine)
9 December 1945	Uman, UA	daily low max	-8.2 C (17.2 F)	0.6 C (1.1 F)	55 years	22 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

1796 to 1945

Records set or tied on this calendar date in each year from 1796 to 1945. 1945 had 178 records.

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

Records on 12-09 in each year
Year	Records
1796	1
1820	1
1825	3
1831	1
1844	1
1856	1
1860	1
1862	1
1867	2
1868	1
1869	1
1871	3
1872	1
1873	2
1876	2
1878	4
1879	9
1880	1
1882	3
1883	1
1885	2
1886	2
1887	1
1889	1
1891	3
1893	1
1894	1
1895	3
1896	1
1897	4
1898	3
1899	5
1900	1
1901	4
1902	18
1903	7
1904	2
1905	9
1906	15
1907	28
1908	5
1909	18
1910	36
1911	31
1912	18
1913	37
1914	57
1915	139
1916	366
1917	106
1918	40
1919	58
1920	221
1921	58
1922	311
1923	203
1924	164
1925	93
1926	113
1927	356
1928	110
1929	192
1930	211
1931	434
1932	339
1933	250
1934	364
1935	263
1936	143
1937	348
1938	329
1939	1,030
1940	251
1941	144
1942	370
1943	496
1944	327
1945	178
1946	1,308
1947	303
1948	278
1949	299
1950	382
1951	849
1952	553
1953	347
1954	226
1955	352
1956	672
1957	565
1958	678
1959	217
1960	426
1961	818
1962	377
1963	642
1964	547
1965	706
1966	968
1967	639
1968	482
1969	347
1970	987
1971	655
1972	1,776
1973	679
1974	629
1975	668
1976	868
1977	1,548
1978	2,060
1979	693
1980	760
1981	748
1982	589
1983	664
1984	588
1985	1,074
1986	658
1987	1,007
1988	939
1989	1,270
1990	844
1991	878
1992	791
1993	912
1994	1,071
1995	1,247
1996	946
1997	1,214
1998	769
1999	774
2000	920
2001	505
2002	1,052
2003	824
2004	1,108
2005	1,714
2006	1,718
2007	1,124
2008	1,052
2009	2,442
2010	1,726
2011	496
2012	753
2013	1,018
2014	510
2015	1,054
2016	679
2017	715
2018	626
2019	614
2020	571
2021	674
2022	666
2023	907
2024	422
2025	1,602

Download the Data

Data for records on 1945-12-09: 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	129
20 to 40	11
40 to 60	1
60 to 80	4
80 to 100	2
100 to 120	1