Weather Records on 30 December 1923

223 weather records were set or tied worldwide on 30 December 1923. Highest significance: Palermo, IT.

Key Facts for 30 December 1923

On 30 December 1923, 223 weather records were set or tied at long-record stations worldwide.
126 were record highs and 51 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 212 daily.
Palermo set a daily record precipitation of 29.2 mm (1.1 in) on 30 December 1923.
Across 154 earlier years (1799 to 2025) the same calendar date averaged 498 records.

Record Map

223 stations

223 station records on 30 December 1923 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 December 1923: highest significance records shown on the map
Station	Country	Type	Value	Significance
Palermo	Italy	Record daily precipitation	29.2 mm (1.1 in)	51 of 100 (Notable)
W Pt	United States	Record daily snowfall	25.4 cm (10.0 in)	46 of 100 (Notable)
Hartington	United States	Record daily snowfall	15.2 cm (6.0 in)	35 of 100 (Notable)
Donors Hill Station	Australia	Record daily precipitation	103.4 mm (4.1 in)	34 of 100 (Routine)
Olga 2 SE	United States	Record low minimum temperature	-9.4 C (15.1 F)	31 of 100 (Routine)
Agassiz Cda	Canada	Record low maximum temperature	-12.2 C (10.0 F)	29 of 100 (Routine)
Montgomery Wb City	United States	Record high minimum temperature	19.4 C (66.9 F)	29 of 100 (Routine)
Berlin-Dahlem (Lfag)	Germany	Record snow depth	17.0 cm (6.7 in)	28 of 100 (Routine)
La Crosse Wb City	United States	Record daily snowfall	17.8 cm (7.0 in)	28 of 100 (Routine)
Putbus	Germany	Record snow depth	21.0 cm (8.3 in)	27 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record low maximum temperature	11.0 C (51.8 F)	25 of 100 (Routine)
David City 4E	United States	Record daily snowfall	8.9 cm (3.5 in)	25 of 100 (Routine)
Cottbus	Germany	Record snow depth	16.0 cm (6.3 in)	23 of 100 (Routine)
Kristianstad	Sweden	Record low minimum temperature	-15.0 C (5.0 F)	22 of 100 (Routine)
Helena Wb City	United States	Record low minimum temperature	-32.8 C (-27.0 F)	22 of 100 (Routine)
David City 4E	United States	Record snow depth	10.2 cm (4.0 in)	21 of 100 (Routine)
Runnymede Spottsville	United States	Record high minimum temperature	13.3 C (55.9 F)	21 of 100 (Routine)
Sevastopol',Mgs	Ukraine	Record daily precipitation	21.5 mm (0.8 in)	20 of 100 (Routine)
Hartington	United States	Record daily precipitation	15.2 mm (0.6 in)	20 of 100 (Routine)
Simferopol	Ukraine	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Alta	United States	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Hay Springs	United States	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Lynd #2	United States	Record low maximum temperature	-20.6 C (-5.1 F)	20 of 100 (Routine)
Olga 2 SE	United States	Record low maximum temperature	-2.2 C (28.0 F)	20 of 100 (Routine)
Sparta 1 W	United States	Record high maximum temperature	22.8 C (73.0 F)	19 of 100 (Routine)
Hillsboro	United States	Record daily precipitation	20.3 mm (0.8 in)	19 of 100 (Routine)
Chattanooga Wb City	United States	Record high maximum temperature	21.1 C (70.0 F)	19 of 100 (Routine)
Kamloops	Canada	Record low maximum temperature	-19.4 C (-2.9 F)	18 of 100 (Routine)
Calgary Int'l A	Canada	Record low minimum temperature	-37.2 C (-35.0 F)	18 of 100 (Routine)
Vestervig	Denmark	Record low minimum temperature	-12.3 C (9.9 F)	18 of 100 (Routine)
Bamberg	Germany	Record low minimum temperature	-18.5 C (-1.3 F)	18 of 100 (Routine)
Genoa 2 W	United States	Record daily precipitation	11.9 mm (0.5 in)	18 of 100 (Routine)
Banff	Canada	Record low maximum temperature	-26.1 C (-15.0 F)	17 of 100 (Routine)
Gorlitz	Germany	Record snow depth	20.0 cm (7.9 in)	17 of 100 (Routine)
Karlshamn	Sweden	Record low minimum temperature	-14.5 C (5.9 F)	17 of 100 (Routine)
Halmstad	Sweden	Record low minimum temperature	-14.5 C (5.9 F)	17 of 100 (Routine)
Brinkley	United States	Record high minimum temperature	17.2 C (63.0 F)	17 of 100 (Routine)
Malvern	United States	Record high minimum temperature	15.0 C (59.0 F)	17 of 100 (Routine)
Athens	United States	Record high maximum temperature	22.8 C (73.0 F)	17 of 100 (Routine)
Alexandria	United States	Record high minimum temperature	20.0 C (68.0 F)	17 of 100 (Routine)
Fairbury 7S	United States	Record daily snowfall	3.8 cm (1.5 in)	17 of 100 (Routine)
W Pt	United States	Record daily precipitation	19.1 mm (0.8 in)	17 of 100 (Routine)
Lusk 2 SW	United States	Record low minimum temperature	-33.3 C (-27.9 F)	17 of 100 (Routine)
Houston Wb City	United States	Record high minimum temperature	20.6 C (69.1 F)	17 of 100 (Routine)
Barkerville	Canada	Record low minimum temperature	-33.3 C (-27.9 F)	16 of 100 (Routine)
Nordby (Fano)	Denmark	Record low maximum temperature	-4.8 C (23.4 F)	16 of 100 (Routine)
Jena Sternwarte	Germany	Record snow depth	17.0 cm (6.7 in)	16 of 100 (Routine)
Heinersreuth-Vollhof	Germany	Record low minimum temperature	-17.8 C (0.0 F)	16 of 100 (Routine)
Valley Head	United States	Record high maximum temperature	21.1 C (70.0 F)	16 of 100 (Routine)
Valley Head	United States	Record high minimum temperature	16.1 C (61.0 F)	16 of 100 (Routine)
Waynesboro 2 W	United States	Record high maximum temperature	26.7 C (80.1 F)	16 of 100 (Routine)
Norfolk	United States	Record daily precipitation	12.7 mm (0.5 in)	16 of 100 (Routine)
Texarkana Webb Fld	United States	Record high minimum temperature	17.8 C (64.0 F)	16 of 100 (Routine)
Helena Wb City	United States	Record low maximum temperature	-26.1 C (-15.0 F)	16 of 100 (Routine)
Quesnel	Canada	Record low minimum temperature	-30.0 C (-22.0 F)	15 of 100 (Routine)
Nordby (Fano)	Denmark	Record low minimum temperature	-12.4 C (9.7 F)	15 of 100 (Routine)
Koebenhavn: Landbohojskolen-1	Denmark	Record low minimum temperature	-11.1 C (12.0 F)	15 of 100 (Routine)
Magdeburg	Germany	Record snow depth	16.0 cm (6.3 in)	15 of 100 (Routine)
Alexandria	United States	Record high maximum temperature	26.1 C (79.0 F)	15 of 100 (Routine)
Grand Coteau	United States	Record high minimum temperature	19.4 C (66.9 F)	15 of 100 (Routine)

Counts by Type and Timescale

223 records

Records set or tied on 30 December 1923 by type: Highest daily maximum 65, Lowest daily maximum 22, Highest daily minimum 61, Lowest daily minimum 29, Heaviest daily rainfall 26, Heaviest daily snowfall 8, Deepest snow cover 12.

Records on 30 December 1923 by type
Record type	Records
Highest daily maximum	65
Lowest daily maximum	22
Highest daily minimum	61
Lowest daily minimum	29
Heaviest daily rainfall	26
Heaviest daily snowfall	8
Deepest snow cover	12

Records on 30 December 1923 by timescale: all-time 0, monthly 11, daily 212.

How Much Records Were Beaten By

185 broken records

Margins by which the 185 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

30 December 1923

Top 20 records on 30 December 1923 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 December 1923	Palermo, IT	daily rain	29.2 mm (1.1 in)	9.8 mm (0.39 in)	124 years	51 of 100 (Notable)
30 December 1923	W Pt, US	daily snowfall	25.4 cm (10.0 in)	22.9 cm (9.0 in)	12 years	46 of 100 (Notable)
30 December 1923	Hartington, US	daily snowfall	15.2 cm (6.0 in)	10.1 cm (4.0 in)	29 years	35 of 100 (Notable)
30 December 1923	Donors Hill Station, AU	daily rain	103.4 mm (4.1 in)	57.2 mm (2.3 in)	20 years	34 of 100 (Routine)
30 December 1923	Olga 2 SE, US	daily low min	-9.4 C (15.1 F)	6.6 C (11.9 F)	24 years	31 of 100 (Routine)
30 December 1923	Agassiz Cda, CA	monthly low max	-12.2 C (10.0 F)	2.8 C (5.0 F)	31 years	29 of 100 (Routine)
30 December 1923	Montgomery Wb City, US	monthly high min	19.4 C (66.9 F)	0.5 C (0.9 F)	48 years	29 of 100 (Routine)
30 December 1923	Berlin-Dahlem (Lfag), DE	daily snow depth	17.0 cm (6.7 in)	7.0 cm (2.8 in)	16 years	28 of 100 (Routine)
30 December 1923	La Crosse Wb City, US	daily snowfall	17.8 cm (7.0 in)	10.2 cm (4.0 in)	16 years	28 of 100 (Routine)
30 December 1923	Putbus, DE	daily snow depth	21.0 cm (8.3 in)	8.0 cm (3.1 in)	35 years	27 of 100 (Routine)
30 December 1923	Nemours (Ghazaouet), DZ	daily low max	11.0 C (51.8 F)	3.0 C (5.4 F)	33 years	25 of 100 (Routine)
30 December 1923	David City 4E, US	daily snowfall	8.9 cm (3.5 in)	6.4 cm (2.5 in)	16 years	25 of 100 (Routine)
30 December 1923	Cottbus, DE	daily snow depth	16.0 cm (6.3 in)	6.0 cm (2.4 in)	23 years	23 of 100 (Routine)
30 December 1923	Kristianstad, SE	daily low min	-15.0 C (5.0 F)	3.5 C (6.3 F)	35 years	22 of 100 (Routine)
30 December 1923	Helena Wb City, US	daily low min	-32.8 C (-27.0 F)	8.4 C (15.1 F)	28 years	22 of 100 (Routine)
30 December 1923	David City 4E, US	daily snow depth	10.2 cm (4.0 in)	7.7 cm (3.0 in)	25 years	21 of 100 (Routine)
30 December 1923	Runnymede Spottsville, US	daily high min	13.3 C (55.9 F)	6.1 C (11.0 F)	24 years	21 of 100 (Routine)
30 December 1923	Sevastopol',Mgs, UA	daily rain	21.5 mm (0.8 in)	14.8 mm (0.6 in)	1 year	20 of 100 (Routine)
30 December 1923	Hartington, US	daily rain	15.2 mm (0.6 in)	10.1 mm (0.4 in)	29 years	20 of 100 (Routine)
30 December 1923	Simferopol, UA	daily rain	20.3 mm (0.8 in)	8.1 mm (0.32 in)	12 years	20 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

1799 to 1923

Records set or tied on this calendar date in each year from 1799 to 1923. 1923 had 223 records.

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

Records on 12-30 in each year
Year	Records
1799	2
1835	1
1850	1
1853	1
1856	1
1859	1
1863	1
1868	1
1870	4
1872	3
1874	2
1875	2
1876	3
1878	1
1880	5
1881	3
1882	3
1884	2
1888	2
1889	2
1890	7
1891	1
1892	1
1893	3
1895	6
1896	3
1897	7
1898	6
1899	3
1900	5
1901	8
1902	2
1903	8
1904	12
1905	10
1906	11
1907	26
1908	17
1909	13
1910	18
1911	20
1912	37
1913	32
1914	47
1915	62
1916	45
1917	217
1918	25
1919	82
1920	84
1921	111
1922	227
1923	223
1924	65
1925	184
1926	63
1927	290
1928	31
1929	382
1930	71
1931	509
1932	407
1933	279
1934	206
1935	202
1936	931
1937	234
1938	208
1939	237
1940	397
1941	149
1942	584
1943	165
1944	137
1945	251
1946	584
1947	317
1948	760
1949	206
1950	479
1951	955
1952	334
1953	399
1954	538
1955	254
1956	556
1957	443
1958	525
1959	216
1960	345
1961	389
1962	671
1963	567
1964	537
1965	1,122
1966	403
1967	760
1968	1,391
1969	817
1970	571
1971	1,122
1972	1,052
1973	1,262
1974	564
1975	703
1976	981
1977	795
1978	1,930
1979	427
1980	1,560
1981	684
1982	630
1983	2,765
1984	1,834
1985	568
1986	852
1987	1,270
1988	755
1989	528
1990	3,065
1991	525
1992	1,210
1993	865
1994	642
1995	1,455
1996	1,620
1997	1,384
1998	801
1999	838
2000	1,377
2001	651
2002	1,034
2003	661
2004	974
2005	928
2006	1,779
2007	748
2008	653
2009	933
2010	1,200
2011	782
2012	676
2013	642
2014	660
2015	820
2016	706
2017	1,324
2018	284
2019	1,131
2020	604
2021	1,455
2022	909
2023	726
2024	638
2025	325

Download the Data

Data for records on 1923-12-30: 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	176
50 to 100	6
100 to 150	2
150 to 200	0
200 to 250	1