Weather Records on 21 December 1928

70 weather records were set or tied worldwide on 21 December 1928. Highest significance: Riversdale, ZA.

Key Facts for 21 December 1928

On 21 December 1928, 70 weather records were set or tied at long-record stations worldwide.
10 were record highs and 30 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 0 monthly and 69 daily.
Riversdale set a daily record precipitation of 66.0 mm (2.6 in) on 21 December 1928.
Across 158 earlier years (1793 to 2025) the same calendar date averaged 492 records.

Record Map

70 stations

70 station records on 21 December 1928 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 December 1928: highest significance records shown on the map
Station	Country	Type	Value	Significance
Riversdale	South Africa	Record daily precipitation	66.0 mm (2.6 in)	58 of 100 (Notable)
Knysna (Tnk)	South Africa	Record daily precipitation	55.1 mm (2.2 in)	55 of 100 (Notable)
Maclear (Mag)	South Africa	Record daily precipitation	59.7 mm (2.4 in)	31 of 100 (Routine)
Berlin (Sar)	South Africa	Record daily precipitation	39.6 mm (1.6 in)	28 of 100 (Routine)
Anticosti West Point	Canada	Record daily precipitation	35.6 mm (1.4 in)	27 of 100 (Routine)
Anticosti West Point	Canada	Record daily snowfall	35.6 cm (14.0 in)	27 of 100 (Routine)
Middleton (Sar)	South Africa	Record daily precipitation	28.4 mm (1.1 in)	24 of 100 (Routine)
Marree Comparison	Australia	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Balfour (Pol)	South Africa	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
Innsbruck	Austria	Record low minimum temperature	-19.1 C (-2.4 F)	19 of 100 (Routine)
Crawley	South Africa	Record daily precipitation	28.7 mm (1.1 in)	19 of 100 (Routine)
Lake Nash	Australia	Record daily precipitation	22.9 mm (0.9 in)	18 of 100 (Routine)
Blackville (Welton Dale)	Australia	Record daily precipitation	33.3 mm (1.3 in)	18 of 100 (Routine)
Bird Rocks	Canada	Record daily snowfall	4.6 cm (1.8 in)	18 of 100 (Routine)
Pointe Riche	Canada	Record daily precipitation	10.2 mm (0.4 in)	18 of 100 (Routine)
Witelsbos (Bos)	South Africa	Record daily precipitation	31.0 mm (1.2 in)	18 of 100 (Routine)
Kamiesberg	South Africa	Record daily precipitation	2.3 mm (0.09 in)	18 of 100 (Routine)
Blackfoot Fire Dept	United States	Record low maximum temperature	-16.1 C (3.0 F)	18 of 100 (Routine)
Pointe Riche	Canada	Record daily snowfall	10.2 cm (4.0 in)	17 of 100 (Routine)
Clausthal-Zellerfeld	Germany	Record low maximum temperature	-8.2 C (17.2 F)	17 of 100 (Routine)
Sacramento 5 ESE	United States	Record low minimum temperature	-3.3 C (26.1 F)	17 of 100 (Routine)
Buffelsnek (Bos)	South Africa	Record daily precipitation	38.4 mm (1.5 in)	16 of 100 (Routine)
Oroville 1 N	United States	Record low minimum temperature	-3.9 C (25.0 F)	16 of 100 (Routine)
Mc Minnville	United States	Record low maximum temperature	-1.7 C (28.9 F)	16 of 100 (Routine)
Laghouat	Algeria	Record low minimum temperature	-3.0 C (26.6 F)	15 of 100 (Routine)
Sable Island	Canada	Record daily precipitation	26.4 mm (1.0 in)	15 of 100 (Routine)
Robben Island (Vrt)	South Africa	Record daily precipitation	4.1 mm (0.16 in)	15 of 100 (Routine)
Elliotdale (Tnk)	South Africa	Record daily precipitation	30.2 mm (1.2 in)	15 of 100 (Routine)
Parker	United States	Record low minimum temperature	-8.3 C (17.1 F)	15 of 100 (Routine)
Lottering (Bos)	South Africa	Record daily precipitation	59.2 mm (2.3 in)	14 of 100 (Routine)
Sedan (Sandleton)	Australia	Record daily precipitation	6.4 mm (0.25 in)	13 of 100 (Routine)
Hogsback (Bos)	South Africa	Record daily precipitation	62.5 mm (2.5 in)	13 of 100 (Routine)
Gayndah Post Office	Australia	Record high minimum temperature	23.3 C (73.9 F)	12 of 100 (Routine)
Jandowae Post Office	Australia	Record daily precipitation	30.0 mm (1.2 in)	12 of 100 (Routine)
Quincy	United States	Record low minimum temperature	-17.8 C (0.0 F)	12 of 100 (Routine)
Old Halls Creek	Australia	Record high minimum temperature	30.0 C (86.0 F)	11 of 100 (Routine)
Bridgewater (Post Office)	Australia	Record daily precipitation	2.3 mm (0.09 in)	11 of 100 (Routine)
Klipfontein	South Africa	Record daily precipitation	14.0 mm (0.6 in)	11 of 100 (Routine)
Bundaberg Post Office	Australia	Record high minimum temperature	24.3 C (75.7 F)	10 of 100 (Routine)
Sable Island	Canada	Record high maximum temperature	11.7 C (53.1 F)	10 of 100 (Routine)
Blackfoot Fire Dept	United States	Record low minimum temperature	-26.1 C (-15.0 F)	10 of 100 (Routine)
Payette	United States	Record low minimum temperature	-21.1 C (-6.0 F)	10 of 100 (Routine)
Waynesboro 2 W	United States	Record low maximum temperature	3.3 C (37.9 F)	10 of 100 (Routine)
Fillmore	United States	Record low maximum temperature	-3.9 C (25.0 F)	10 of 100 (Routine)
Tooele	United States	Record low minimum temperature	-16.7 C (1.9 F)	10 of 100 (Routine)
Altastenberg	Germany	Record low maximum temperature	-6.1 C (21.0 F)	9 of 100 (Routine)
Payette	United States	Record low maximum temperature	-5.6 C (21.9 F)	9 of 100 (Routine)
Perth Regional Office	Australia	Record daily precipitation	2.5 mm (0.10 in)	8 of 100 (Routine)
Charleville Post Office	Australia	Record high maximum temperature	41.9 C (107.4 F)	8 of 100 (Routine)
Durango	United States	Record low minimum temperature	-20.0 C (-4.0 F)	8 of 100 (Routine)
Jennings	United States	Record low minimum temperature	-3.9 C (25.0 F)	8 of 100 (Routine)
Springer	United States	Record low maximum temperature	-13.3 C (8.1 F)	8 of 100 (Routine)
Joseph	United States	Record low maximum temperature	-7.8 C (18.0 F)	8 of 100 (Routine)
Dixon Wwtp	United States	Record low maximum temperature	-11.7 C (10.9 F)	7 of 100 (Routine)
Orlando Executive AP	United States	Record high maximum temperature	29.4 C (84.9 F)	6 of 100 (Routine)
Yandilla	Australia	Record daily precipitation	12.7 mm (0.5 in)	5 of 100 (Routine)
Richfield Radio Ksvc	United States	Record low minimum temperature	-17.8 C (0.0 F)	3 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record low minimum temperature	4.0 C (39.2 F)	2 of 100 (Routine)
Buckeye	United States	Record low minimum temperature	-6.7 C (19.9 F)	2 of 100 (Routine)
Durango	United States	Record low maximum temperature	-3.9 C (25.0 F)	2 of 100 (Routine)

Counts by Type and Timescale

70 records

Records set or tied on 21 December 1928 by type: Highest daily maximum 4, Lowest daily maximum 13, Highest daily minimum 6, Lowest daily minimum 17, Heaviest daily rainfall 26, Heaviest daily snowfall 3, Deepest snow cover 1.

Records on 21 December 1928 by type
Record type	Records
Highest daily maximum	4
Lowest daily maximum	13
Highest daily minimum	6
Lowest daily minimum	17
Heaviest daily rainfall	26
Heaviest daily snowfall	3
Deepest snow cover	1

Records on 21 December 1928 by timescale: all-time 1, monthly 0, daily 69.

How Much Records Were Beaten By

55 broken records

Margins by which the 55 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

21 December 1928

Top 20 records on 21 December 1928 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 December 1928	Riversdale, ZA	daily rain	66.0 mm (2.6 in)	45.7 mm (1.8 in)	45 years	58 of 100 (Notable)
21 December 1928	Knysna (Tnk), ZA	daily rain	55.1 mm (2.2 in)	40.4 mm (1.6 in)	36 years	55 of 100 (Notable)
21 December 1928	Maclear (Mag), ZA	daily rain	59.7 mm (2.4 in)	25.9 mm (1.0 in)	20 years	31 of 100 (Routine)
21 December 1928	Berlin (Sar), ZA	daily rain	39.6 mm (1.6 in)	24.4 mm (1.0 in)	28 years	28 of 100 (Routine)
21 December 1928	Anticosti West Point, CA	daily rain	35.6 mm (1.4 in)	10.2 mm (0.4 in)	38 years	27 of 100 (Routine)
21 December 1928	Anticosti West Point, CA	daily snowfall	35.6 cm (14.0 in)	10.2 cm (4.0 in)	38 years	27 of 100 (Routine)
21 December 1928	Middleton (Sar), ZA	daily rain	28.4 mm (1.1 in)	14.4 mm (0.6 in)	20 years	24 of 100 (Routine)
21 December 1928	Marree Comparison, AU	daily rain	18.0 mm (0.7 in)	15.0 mm (0.6 in)	42 years	20 of 100 (Routine)
21 December 1928	Balfour (Pol), ZA	daily rain	18.0 mm (0.7 in)	9.1 mm (0.36 in)	36 years	20 of 100 (Routine)
21 December 1928	Innsbruck, AT	daily low min	-19.1 C (-2.4 F)	4.1 C (7.4 F)	22 years	19 of 100 (Routine)
21 December 1928	Crawley, ZA	daily rain	28.7 mm (1.1 in)	12.2 mm (0.5 in)	13 years	19 of 100 (Routine)
21 December 1928	Lake Nash, AU	daily rain	22.9 mm (0.9 in)	20.9 mm (0.8 in)	7 years	18 of 100 (Routine)
21 December 1928	Blackville (Welton Dale), AU	daily rain	33.3 mm (1.3 in)	15.5 mm (0.6 in)	14 years	18 of 100 (Routine)
21 December 1928	Bird Rocks, CA	daily snowfall	4.6 cm (1.8 in)	2.1 cm (0.8 in)	35 years	18 of 100 (Routine)
21 December 1928	Pointe Riche, CA	daily rain	10.2 mm (0.4 in)	2.6 mm (0.10 in)	38 years	18 of 100 (Routine)
21 December 1928	Witelsbos (Bos), ZA	daily rain	31.0 mm (1.2 in)	11.9 mm (0.5 in)	17 years	18 of 100 (Routine)
21 December 1928	Kamiesberg, ZA	daily rain	2.3 mm (0.09 in)	2.3 mm (0.09 in)	42 years	18 of 100 (Routine)
21 December 1928	Blackfoot Fire Dept, US	daily low max	-16.1 C (3.0 F)	5.0 C (9.0 F)	20 years	18 of 100 (Routine)
21 December 1928	Pointe Riche, CA	daily snowfall	10.2 cm (4.0 in)	2.6 cm (1.0 in)	30 years	17 of 100 (Routine)
21 December 1928	Clausthal-Zellerfeld, DE	daily low max	-8.2 C (17.2 F)	2.4 C (4.3 F)	28 years	17 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 1928

Records set or tied on this calendar date in each year from 1793 to 1928. 1928 had 70 records.

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

Records on 12-21 in each year
Year	Records
1793	1
1794	1
1799	1
1801	2
1808	3
1825	1
1828	1
1839	1
1846	1
1850	1
1855	7
1859	1
1860	1
1868	1
1870	1
1871	2
1874	2
1875	3
1876	1
1877	1
1878	1
1879	1
1880	1
1884	1
1886	3
1889	1
1890	4
1893	4
1894	1
1895	5
1896	3
1897	3
1898	1
1900	8
1901	15
1902	5
1903	25
1904	3
1905	15
1906	15
1907	17
1908	19
1909	20
1910	29
1911	36
1912	23
1913	11
1914	107
1915	43
1916	40
1917	18
1918	41
1919	57
1920	30
1921	104
1922	34
1923	323
1924	377
1925	120
1926	178
1927	147
1928	70
1929	156
1930	66
1931	556
1932	150
1933	581
1934	230
1935	398
1936	323
1937	189
1938	145
1939	140
1940	622
1941	651
1942	968
1943	148
1944	762
1945	396
1946	495
1947	700
1948	297
1949	1,281
1950	504
1951	1,061
1952	197
1953	256
1954	444
1955	888
1956	672
1957	846
1958	516
1959	272
1960	585
1961	254
1962	563
1963	1,137
1964	613
1965	247
1966	400
1967	1,923
1968	818
1969	828
1970	547
1971	680
1972	651
1973	1,292
1974	374
1975	548
1976	446
1977	470
1978	517
1979	558
1980	726
1981	1,476
1982	702
1983	3,324
1984	1,012
1985	979
1986	404
1987	775
1988	717
1989	3,203
1990	2,701
1991	1,125
1992	751
1993	967
1994	793
1995	878
1996	1,114
1997	810
1998	1,142
1999	851
2000	944
2001	650
2002	579
2003	1,103
2004	675
2005	606
2006	1,443
2007	946
2008	1,062
2009	1,097
2010	2,039
2011	653
2012	759
2013	1,029
2014	878
2015	1,173
2016	543
2017	459
2018	742
2019	755
2020	965
2021	323
2022	528
2023	1,170
2024	778
2025	1,100

Download the Data

Data for records on 1928-12-21: 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 2026-10-15 (15 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	47
20 to 40	5
40 to 60	2
60 to 80	0
80 to 100	0
100 to 120	1