Weather Records on 23 December 1940

365 weather records were set or tied worldwide on 23 December 1940. Highest significance: Vryburg (Pol), ZA.

Key Facts for 23 December 1940

On 23 December 1940, 365 weather records were set or tied at long-record stations worldwide.
156 were record highs and 37 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 7 monthly and 358 daily.
Vryburg (Pol) set a daily record precipitation of 56.1 mm (2.2 in) on 23 December 1940.
Across 150 earlier years (1793 to 2025) the same calendar date averaged 547 records.

Record Map

365 stations

365 station records on 23 December 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 December 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vryburg (Pol)	South Africa	Record daily precipitation	56.1 mm (2.2 in)	44 of 100 (Notable)
Santa Barbara	United States	Record daily precipitation	88.1 mm (3.5 in)	44 of 100 (Notable)
Santa Monica	United States	Record daily precipitation	59.4 mm (2.3 in)	44 of 100 (Notable)
Priest Valley	United States	Record daily precipitation	76.2 mm (3.0 in)	43 of 100 (Notable)
Aspendell	United States	Record daily precipitation	56.9 mm (2.2 in)	41 of 100 (Notable)
Cedar Key 1 WSW	United States	Record daily precipitation	101.6 mm (4.0 in)	39 of 100 (Notable)
Merced	United States	Record daily precipitation	33.3 mm (1.3 in)	38 of 100 (Notable)
Escondido	United States	Record daily precipitation	60.5 mm (2.4 in)	37 of 100 (Notable)
Ozena	United States	Record daily precipitation	66.3 mm (2.6 in)	36 of 100 (Notable)
Ettrick	Australia	Record daily precipitation	68.6 mm (2.7 in)	35 of 100 (Notable)
Blackwater Post Office	Australia	Record daily precipitation	57.7 mm (2.3 in)	34 of 100 (Routine)
Los Alamos	United States	Record daily precipitation	48.3 mm (1.9 in)	34 of 100 (Routine)
Mariposa	United States	Record daily precipitation	71.1 mm (2.8 in)	34 of 100 (Routine)
Isis Junction Railway STN	Australia	Record daily precipitation	64.3 mm (2.5 in)	31 of 100 (Routine)
Salzburg	Austria	Record low minimum temperature	-23.3 C (-9.9 F)	31 of 100 (Routine)
Champhai	India	Record daily precipitation	32.8 mm (1.3 in)	30 of 100 (Routine)
Sonnblick	Austria	Record low maximum temperature	-22.4 C (-8.3 F)	28 of 100 (Routine)
Federal Pt	United States	Record daily precipitation	49.3 mm (1.9 in)	28 of 100 (Routine)
Hypoluxo	United States	Record daily precipitation	31.0 mm (1.2 in)	28 of 100 (Routine)
Salzburg	Austria	Record low maximum temperature	-11.0 C (12.2 F)	27 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record snow depth	20.0 cm (7.9 in)	27 of 100 (Routine)
Lungleh	India	Record daily precipitation	32.3 mm (1.3 in)	27 of 100 (Routine)
Ft Myers Page Fld AP	United States	Record daily precipitation	32.0 mm (1.3 in)	27 of 100 (Routine)
Theethandathanam	India	Record daily precipitation	148.6 mm (5.9 in)	26 of 100 (Routine)
Altastenberg	Germany	Record snow depth	94.0 cm (37.0 in)	25 of 100 (Routine)
Hollister 1 SW	United States	Record daily precipitation	34.8 mm (1.4 in)	25 of 100 (Routine)
Santa Clara UNIV	United States	Record daily precipitation	31.5 mm (1.2 in)	25 of 100 (Routine)
Visalia	United States	Record daily precipitation	25.4 mm (1.0 in)	25 of 100 (Routine)
De Funiak Springs 1 E	United States	Record daily precipitation	49.5 mm (1.9 in)	25 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record low maximum temperature	-8.0 C (17.6 F)	24 of 100 (Routine)
Potchefstroom;Braksp	South Africa	Record daily precipitation	58.4 mm (2.3 in)	24 of 100 (Routine)
Klipplaatdrift (Skl)	South Africa	Record daily precipitation	50.8 mm (2.0 in)	24 of 100 (Routine)
Buffelshoek	South Africa	Record daily precipitation	88.9 mm (3.5 in)	24 of 100 (Routine)
Dullstroom (Sar)	South Africa	Record daily precipitation	49.5 mm (1.9 in)	24 of 100 (Routine)
Planknek	South Africa	Record daily precipitation	50.5 mm (2.0 in)	23 of 100 (Routine)
Healdsburg	United States	Record high minimum temperature	10.0 C (50.0 F)	23 of 100 (Routine)
Pomona/Fairplex	United States	Record high minimum temperature	10.6 C (51.1 F)	23 of 100 (Routine)
Santa Maria	United States	Record daily precipitation	45.0 mm (1.8 in)	23 of 100 (Routine)
Gospic	Croatia	Record low maximum temperature	-9.0 C (15.8 F)	22 of 100 (Routine)
Roodekop	South Africa	Record daily precipitation	45.5 mm (1.8 in)	22 of 100 (Routine)
Sonora	United States	Record high minimum temperature	8.9 C (48.0 F)	22 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record daily precipitation	45.5 mm (1.8 in)	22 of 100 (Routine)
Potchefstroom	South Africa	Record daily precipitation	57.4 mm (2.3 in)	21 of 100 (Routine)
Le Grand	United States	Record high minimum temperature	10.6 C (51.1 F)	21 of 100 (Routine)
Fallon Exp STN	United States	Record high minimum temperature	5.0 C (41.0 F)	21 of 100 (Routine)
Chanchal	India	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Rio Grande City	United States	Record daily precipitation	20.8 mm (0.8 in)	20 of 100 (Routine)
Pachamba	India	Record daily precipitation	19.8 mm (0.8 in)	20 of 100 (Routine)
Balumath	India	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Lohar-Daga	India	Record daily precipitation	14.7 mm (0.6 in)	20 of 100 (Routine)
Angiola	United States	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Imphal (C.Hosp)	India	Record daily precipitation	24.1 mm (0.9 in)	20 of 100 (Routine)
Gumla	India	Record daily precipitation	11.7 mm (0.5 in)	20 of 100 (Routine)
Khunti	India	Record daily precipitation	14.2 mm (0.6 in)	20 of 100 (Routine)
Lesliganj	India	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Smith 1 N	United States	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Carson City	United States	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Bingara Post Office	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Manginapudi	India	Record daily precipitation	15.5 mm (0.6 in)	20 of 100 (Routine)
Minden	United States	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)

Counts by Type and Timescale

365 records

Records set or tied on 23 December 1940 by type: Highest daily maximum 51, Lowest daily maximum 27, Highest daily minimum 105, Lowest daily minimum 10, Heaviest daily rainfall 165, Heaviest daily snowfall 1, Deepest snow cover 6.

Records on 23 December 1940 by type
Record type	Records
Highest daily maximum	51
Lowest daily maximum	27
Highest daily minimum	105
Lowest daily minimum	10
Heaviest daily rainfall	165
Heaviest daily snowfall	1
Deepest snow cover	6

Records on 23 December 1940 by timescale: all-time 0, monthly 7, daily 358.

How Much Records Were Beaten By

317 broken records

Margins by which the 317 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 340.0. Ties are not counted.

Top 20 by Significance

23 December 1940

Top 20 records on 23 December 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 December 1940	Vryburg (Pol), ZA	daily rain	56.1 mm (2.2 in)	34.3 mm (1.4 in)	34 years	44 of 100 (Notable)
23 December 1940	Santa Barbara, US	daily rain	88.1 mm (3.5 in)	70.3 mm (2.8 in)	1 year	44 of 100 (Notable)
23 December 1940	Santa Monica, US	daily rain	59.4 mm (2.3 in)	55.1 mm (2.2 in)	19 years	44 of 100 (Notable)
23 December 1940	Priest Valley, US	daily rain	76.2 mm (3.0 in)	56.4 mm (2.2 in)	9 years	43 of 100 (Notable)
23 December 1940	Aspendell, US	daily rain	56.9 mm (2.2 in)	43.9 mm (1.7 in)	24 years	41 of 100 (Notable)
23 December 1940	Cedar Key 1 WSW, US	monthly rain	101.6 mm (4.0 in)	25.4 mm (1.0 in)	26 years	39 of 100 (Notable)
23 December 1940	Merced, US	daily rain	33.3 mm (1.3 in)	24.2 mm (1.0 in)	9 years	38 of 100 (Notable)
23 December 1940	Escondido, US	daily rain	60.5 mm (2.4 in)	47.5 mm (1.9 in)	14 years	37 of 100 (Notable)
23 December 1940	Ozena, US	daily rain	66.3 mm (2.6 in)	50.3 mm (2.0 in)	1 year	36 of 100 (Notable)
23 December 1940	Ettrick, AU	daily rain	68.6 mm (2.7 in)	55.6 mm (2.2 in)	21 years	35 of 100 (Notable)
23 December 1940	Blackwater Post Office, AU	daily rain	57.7 mm (2.3 in)	29.8 mm (1.2 in)	34 years	34 of 100 (Routine)
23 December 1940	Los Alamos, US	daily rain	48.3 mm (1.9 in)	39.4 mm (1.6 in)	8 years	34 of 100 (Routine)
23 December 1940	Mariposa, US	daily rain	71.1 mm (2.8 in)	39.3 mm (1.5 in)	24 years	34 of 100 (Routine)
23 December 1940	Isis Junction Railway STN, AU	daily rain	64.3 mm (2.5 in)	44.0 mm (1.7 in)	34 years	31 of 100 (Routine)
23 December 1940	Salzburg, AT	daily low min	-23.3 C (-9.9 F)	3.9 C (7.0 F)	60 years	31 of 100 (Routine)
23 December 1940	Champhai, IN	daily rain	32.8 mm (1.3 in)	30.8 mm (1.2 in)	35 years	30 of 100 (Routine)
23 December 1940	Sonnblick, AT	daily low max	-22.4 C (-8.3 F)	5.2 C (9.4 F)	41 years	28 of 100 (Routine)
23 December 1940	Federal Pt, US	daily rain	49.3 mm (1.9 in)	21.4 mm (0.8 in)	33 years	28 of 100 (Routine)
23 December 1940	Hypoluxo, US	daily rain	31.0 mm (1.2 in)	24.6 mm (1.0 in)	10 years	28 of 100 (Routine)
23 December 1940	Salzburg, AT	daily low max	-11.0 C (12.2 F)	1.8 C (3.2 F)	60 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 1940

Records set or tied on this calendar date in each year from 1793 to 1940. 1940 had 365 records.

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

Records on 12-23 in each year
Year	Records
1793	1
1825	1
1829	1
1840	1
1852	1
1855	1
1860	3
1864	1
1868	1
1870	6
1871	2
1875	2
1877	1
1878	1
1880	1
1881	1
1883	2
1887	2
1888	2
1889	2
1891	3
1893	2
1894	5
1896	4
1897	1
1898	4
1899	6
1901	2
1903	5
1904	11
1905	3
1906	16
1907	35
1908	8
1909	59
1910	41
1911	29
1912	36
1913	87
1914	57
1915	59
1916	34
1917	26
1918	51
1919	39
1920	33
1921	219
1922	28
1923	146
1924	257
1925	205
1926	146
1927	100
1928	137
1929	393
1930	141
1931	987
1932	329
1933	734
1934	92
1935	360
1936	370
1937	232
1938	183
1939	264
1940	365
1941	750
1942	534
1943	745
1944	484
1945	752
1946	234
1947	517
1948	528
1949	618
1950	521
1951	405
1952	242
1953	605
1954	348
1955	1,162
1956	496
1957	485
1958	209
1959	352
1960	1,442
1961	320
1962	439
1963	1,391
1964	1,457
1965	653
1966	436
1967	885
1968	891
1969	852
1970	940
1971	695
1972	376
1973	479
1974	611
1975	628
1976	514
1977	663
1978	351
1979	813
1980	516
1981	1,127
1982	1,140
1983	4,533
1984	668
1985	629
1986	571
1987	804
1988	878
1989	3,791
1990	3,241
1991	1,196
1992	504
1993	991
1994	1,091
1995	1,212
1996	1,184
1997	1,016
1998	688
1999	936
2000	746
2001	663
2002	778
2003	766
2004	1,231
2005	903
2006	1,194
2007	873
2008	771
2009	1,073
2010	1,298
2011	735
2012	817
2013	1,235
2014	1,070
2015	1,972
2016	432
2017	621
2018	373
2019	699
2020	916
2021	702
2022	1,426
2023	856
2024	637
2025	1,678

Download the Data

Data for records on 1940-12-23: 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 50	307
50 to 100	5
100 to 150	3
150 to 200	0
200 to 250	1
250 to 300	0
300 to 350	1