Weather Records on 15 December 1943

486 weather records were set or tied worldwide on 15 December 1943. Highest significance: Cape York Post Office, AU.

Key Facts for 15 December 1943

On 15 December 1943, 486 weather records were set or tied at long-record stations worldwide.
29 were record highs and 386 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 13 monthly and 473 daily.
Cape York Post Office set a daily record precipitation of 143.0 mm (5.6 in) on 15 December 1943.
Across 168 earlier years (1793 to 2025) the same calendar date averaged 456 records.

Record Map

486 stations

486 station records on 15 December 1943 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 December 1943: highest significance records shown on the map
Station	Country	Type	Value	Significance
Cape York Post Office	Australia	Record daily precipitation	143.0 mm (5.6 in)	55 of 100 (Notable)
Norseman	Australia	Record daily precipitation	54.1 mm (2.1 in)	52 of 100 (Notable)
Remanso	Brazil	Record daily precipitation	119.2 mm (4.7 in)	51 of 100 (Notable)
Dwtn Charleston	United States	Record daily precipitation	42.2 mm (1.7 in)	44 of 100 (Notable)
Scaddan Post Office	Australia	Record daily precipitation	51.8 mm (2.0 in)	39 of 100 (Notable)
Nanambinia	Australia	Record daily precipitation	28.2 mm (1.1 in)	38 of 100 (Notable)
Awini 182.1	United States	Record daily precipitation	123.4 mm (4.9 in)	36 of 100 (Notable)
Hawi 168	United States	Record daily precipitation	45.2 mm (1.8 in)	35 of 100 (Notable)
Noondoonia	Australia	Record daily precipitation	51.1 mm (2.0 in)	33 of 100 (Routine)
Trenton 2	United States	Record low maximum temperature	-4.4 C (24.1 F)	32 of 100 (Routine)
Ebor (Glenowen)	Australia	Record daily precipitation	48.3 mm (1.9 in)	31 of 100 (Routine)
Brockville	Canada	Record low minimum temperature	-32.2 C (-26.0 F)	30 of 100 (Routine)
Ashland	United States	Record snow depth	17.8 cm (7.0 in)	30 of 100 (Routine)
Pembroke Eddy Match	Canada	Record low minimum temperature	-31.1 C (-24.0 F)	29 of 100 (Routine)
Wilmington Wb City	United States	Record daily precipitation	43.2 mm (1.7 in)	29 of 100 (Routine)
Itaporanga (Misericordia)	Brazil	Record daily precipitation	96.3 mm (3.8 in)	28 of 100 (Routine)
Buffalo	United States	Record low minimum temperature	-20.6 C (-5.1 F)	28 of 100 (Routine)
Beatrice	Canada	Record low minimum temperature	-30.6 C (-23.1 F)	27 of 100 (Routine)
Beaufort Wwtp	United States	Record daily precipitation	50.8 mm (2.0 in)	27 of 100 (Routine)
Dwtn Charleston	United States	Record daily snowfall	6.4 cm (2.5 in)	27 of 100 (Routine)
Lucknow	Canada	Record low minimum temperature	-22.8 C (-9.0 F)	26 of 100 (Routine)
Goderich	Canada	Record low maximum temperature	-7.8 C (18.0 F)	25 of 100 (Routine)
Goderich	Canada	Record low minimum temperature	-16.7 C (1.9 F)	25 of 100 (Routine)
Santa Maria da Boa Vista	Brazil	Record daily precipitation	76.5 mm (3.0 in)	24 of 100 (Routine)
Clay Ctr	United States	Record low minimum temperature	-27.2 C (-17.0 F)	24 of 100 (Routine)
Morgan City	United States	Record daily precipitation	50.8 mm (2.0 in)	24 of 100 (Routine)
Gardiner	United States	Record low minimum temperature	-28.9 C (-20.0 F)	24 of 100 (Routine)
Lowell	United States	Record low maximum temperature	-7.8 C (18.0 F)	24 of 100 (Routine)
Georgetown 2 E	United States	Record daily precipitation	44.2 mm (1.7 in)	24 of 100 (Routine)
Kohala 179.1	United States	Record daily precipitation	32.3 mm (1.3 in)	24 of 100 (Routine)
Tortosa - Observatorio del Ebr	Spain	Record daily precipitation	46.1 mm (1.8 in)	23 of 100 (Routine)
Houlton	United States	Record low maximum temperature	-16.7 C (1.9 F)	23 of 100 (Routine)
Goderich Township	Canada	Record low minimum temperature	-19.4 C (-2.9 F)	22 of 100 (Routine)
Quebec	Canada	Record low maximum temperature	-21.7 C (-7.1 F)	22 of 100 (Routine)
Albany 3 SE	United States	Record daily precipitation	50.8 mm (2.0 in)	22 of 100 (Routine)
Atchison	United States	Record low minimum temperature	-23.9 C (-11.0 F)	22 of 100 (Routine)
Horton	United States	Record low minimum temperature	-28.3 C (-18.9 F)	22 of 100 (Routine)
Lincoln 1 SE	United States	Record low minimum temperature	-27.2 C (-17.0 F)	22 of 100 (Routine)
Grantsville	United States	Record low minimum temperature	-25.0 C (-13.0 F)	22 of 100 (Routine)
Ogdensburg 4 NE	United States	Record low minimum temperature	-30.0 C (-22.0 F)	22 of 100 (Routine)
Clontarf	Canada	Record low minimum temperature	-33.3 C (-27.9 F)	21 of 100 (Routine)
Belleville	Canada	Record low minimum temperature	-22.8 C (-9.0 F)	21 of 100 (Routine)
Quitman 2 NW	United States	Record low maximum temperature	7.8 C (46.0 F)	21 of 100 (Routine)
Centralia	United States	Record low minimum temperature	-29.4 C (-20.9 F)	21 of 100 (Routine)
Lawrence	United States	Record low minimum temperature	-21.7 C (-7.1 F)	21 of 100 (Routine)
Donaldsonville 4 SW	United States	Record daily precipitation	49.8 mm (2.0 in)	21 of 100 (Routine)
Westminster 2 SSE	United States	Record low maximum temperature	-4.4 C (24.1 F)	21 of 100 (Routine)
Black Lake	United States	Record snow depth	22.9 cm (9.0 in)	21 of 100 (Routine)
Chelsea	United States	Record low minimum temperature	-27.8 C (-18.0 F)	21 of 100 (Routine)
Widgiemooltha	Australia	Record daily precipitation	22.6 mm (0.9 in)	20 of 100 (Routine)
Higginsville	Australia	Record daily precipitation	21.1 mm (0.8 in)	20 of 100 (Routine)
Kurnalpi	Australia	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Dwtn Charleston	United States	Record snow depth	5.1 cm (2.0 in)	20 of 100 (Routine)
Second Valley (Spring Grove)	Australia	Record daily precipitation	6.4 mm (0.25 in)	20 of 100 (Routine)
Kazan	Russia	Record daily precipitation	2.9 mm (0.11 in)	20 of 100 (Routine)
Albany 3 SE	United States	Record daily snowfall	0.5 cm (0.2 in)	20 of 100 (Routine)
Goldsboro 4 SE	United States	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Haliburton A	Canada	Record low minimum temperature	-33.9 C (-29.0 F)	20 of 100 (Routine)
Harnosand	Sweden	Record high maximum temperature	6.6 C (43.9 F)	20 of 100 (Routine)
Garden City	United States	Record low maximum temperature	-6.7 C (19.9 F)	20 of 100 (Routine)

Counts by Type and Timescale

486 records

Records set or tied on 15 December 1943 by type: Highest daily maximum 20, Lowest daily maximum 189, Highest daily minimum 9, Lowest daily minimum 197, Heaviest daily rainfall 58, Heaviest daily snowfall 5, Deepest snow cover 8.

Records on 15 December 1943 by type
Record type	Records
Highest daily maximum	20
Lowest daily maximum	189
Highest daily minimum	9
Lowest daily minimum	197
Heaviest daily rainfall	58
Heaviest daily snowfall	5
Deepest snow cover	8

Records on 15 December 1943 by timescale: all-time 0, monthly 13, daily 473.

How Much Records Were Beaten By

399 broken records

Margins by which the 399 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 112.8. Ties are not counted.

Top 20 by Significance

15 December 1943

Top 20 records on 15 December 1943 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 December 1943	Cape York Post Office, AU	daily rain	143.0 mm (5.6 in)	112.8 mm (4.4 in)	33 years	55 of 100 (Notable)
15 December 1943	Norseman, AU	monthly rain	54.1 mm (2.1 in)	20.3 mm (0.8 in)	26 years	52 of 100 (Notable)
15 December 1943	Remanso, BR	daily rain	119.2 mm (4.7 in)	92.6 mm (3.6 in)	28 years	51 of 100 (Notable)
15 December 1943	Dwtn Charleston, US	daily rain	42.2 mm (1.7 in)	28.2 mm (1.1 in)	46 years	44 of 100 (Notable)
15 December 1943	Scaddan Post Office, AU	monthly rain	51.8 mm (2.0 in)	15.2 mm (0.6 in)	19 years	39 of 100 (Notable)
15 December 1943	Nanambinia, AU	daily rain	28.2 mm (1.1 in)	24.1 mm (0.9 in)	20 years	38 of 100 (Notable)
15 December 1943	Awini 182.1, US	daily rain	123.4 mm (4.9 in)	89.1 mm (3.5 in)	14 years	36 of 100 (Notable)
15 December 1943	Hawi 168, US	daily rain	45.2 mm (1.8 in)	31.5 mm (1.2 in)	37 years	35 of 100 (Notable)
15 December 1943	Noondoonia, AU	monthly rain	51.1 mm (2.0 in)	9.7 mm (0.38 in)	25 years	33 of 100 (Routine)
15 December 1943	Trenton 2, US	daily low max	-4.4 C (24.1 F)	2.2 C (4.0 F)	71 years	32 of 100 (Routine)
15 December 1943	Ebor (Glenowen), AU	daily rain	48.3 mm (1.9 in)	19.3 mm (0.8 in)	40 years	31 of 100 (Routine)
15 December 1943	Brockville, CA	daily low min	-32.2 C (-26.0 F)	2.8 C (5.0 F)	68 years	30 of 100 (Routine)
15 December 1943	Ashland, US	daily snow depth	17.8 cm (7.0 in)	7.6 cm (3.0 in)	40 years	30 of 100 (Routine)
15 December 1943	Pembroke Eddy Match, CA	daily low min	-31.1 C (-24.0 F)	4.4 C (7.9 F)	59 years	29 of 100 (Routine)
15 December 1943	Wilmington Wb City, US	daily rain	43.2 mm (1.7 in)	14.8 mm (0.6 in)	32 years	29 of 100 (Routine)
15 December 1943	Itaporanga (Misericordia), BR	monthly rain	96.3 mm (3.8 in)	15.7 mm (0.6 in)	17 years	28 of 100 (Routine)
15 December 1943	Buffalo, US	daily low min	-20.6 C (-5.1 F)	5.6 C (10.1 F)	38 years	28 of 100 (Routine)
15 December 1943	Beatrice, CA	daily low min	-30.6 C (-23.1 F)	3.4 C (6.1 F)	59 years	27 of 100 (Routine)
15 December 1943	Beaufort Wwtp, US	daily rain	50.8 mm (2.0 in)	25.4 mm (1.0 in)	6 years	27 of 100 (Routine)
15 December 1943	Dwtn Charleston, US	monthly snowfall	6.4 cm (2.5 in)	2.1 cm (0.8 in)	27 years	27 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

1793 to 1943

Records set or tied on this calendar date in each year from 1793 to 1943. 1943 had 486 records.

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

Records on 12-15 in each year
Year	Records
1793	1
1796	1
1798	1
1800	1
1808	3
1810	1
1814	3
1815	1
1825	1
1831	1
1840	2
1844	2
1846	3
1847	1
1854	3
1859	2
1863	1
1864	1
1866	1
1867	2
1868	1
1869	1
1870	1
1873	1
1874	1
1878	4
1879	2
1880	2
1881	3
1882	2
1883	1
1885	1
1886	1
1889	3
1890	1
1891	2
1892	4
1893	1
1894	4
1895	1
1896	5
1897	2
1899	12
1900	5
1901	21
1902	3
1903	7
1904	9
1905	6
1906	9
1907	10
1908	5
1909	5
1910	4
1911	23
1912	42
1913	13
1914	239
1915	180
1916	40
1917	40
1918	54
1919	28
1920	35
1921	26
1922	65
1923	132
1924	358
1925	187
1926	226
1927	235
1928	388
1929	500
1930	160
1931	284
1932	385
1933	796
1934	199
1935	140
1936	286
1937	310
1938	100
1939	637
1940	464
1941	373
1942	385
1943	486
1944	281
1945	420
1946	521
1947	634
1948	1,239
1949	135
1950	292
1951	962
1952	367
1953	270
1954	413
1955	371
1956	531
1957	304
1958	531
1959	560
1960	313
1961	883
1962	979
1963	670
1964	371
1965	759
1966	275
1967	948
1968	510
1969	352
1970	215
1971	1,739
1972	1,159
1973	615
1974	511
1975	1,230
1976	349
1977	963
1978	499
1979	560
1980	1,085
1981	1,243
1982	831
1983	1,229
1984	1,397
1985	1,077
1986	502
1987	1,740
1988	519
1989	2,753
1990	846
1991	636
1992	1,263
1993	734
1994	676
1995	848
1996	727
1997	1,521
1998	1,216
1999	621
2000	1,154
2001	1,026
2002	831
2003	846
2004	795
2005	953
2006	1,491
2007	973
2008	1,789
2009	930
2010	1,705
2011	780
2012	1,058
2013	701
2014	1,045
2015	1,398
2016	1,024
2017	332
2018	539
2019	547
2020	400
2021	1,182
2022	1,057
2023	794
2024	369
2025	2,115

Download the Data

Data for records on 1943-12-15: 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	378
20 to 40	14
40 to 60	0
60 to 80	3
80 to 100	2
100 to 120	2