Weather Records on 21 December 1955

888 weather records were set or tied worldwide on 21 December 1955. Highest significance: Ashland, US.

Key Facts for 21 December 1955

On 21 December 1955, 888 weather records were set or tied at long-record stations worldwide.
273 were record highs and 284 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 23 monthly and 864 daily.
Ashland set a daily record precipitation of 39.1 mm (1.5 in) on 21 December 1955.
Across 158 earlier years (1793 to 2025) the same calendar date averaged 487 records.

Record Map

888 stations

888 station records on 21 December 1955 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 December 1955: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ashland	United States	Record daily precipitation	39.1 mm (1.5 in)	59 of 100 (Notable)
Aiea Fld 764A	United States	Record daily precipitation	116.1 mm (4.6 in)	59 of 100 (Notable)
Dufur	United States	Record daily precipitation	37.6 mm (1.5 in)	57 of 100 (Notable)
Novorossijsk	Russia	Record daily precipitation	42.7 mm (1.7 in)	56 of 100 (Notable)
Prospect 2 SW	United States	Record daily precipitation	61.7 mm (2.4 in)	56 of 100 (Notable)
Kherson	Ukraine	Record daily precipitation	33.7 mm (1.3 in)	55 of 100 (Notable)
Grants Pass	United States	Record daily precipitation	46.2 mm (1.8 in)	54 of 100 (Notable)
Madras	United States	Record daily precipitation	27.4 mm (1.1 in)	53 of 100 (Notable)
Cascadia	United States	Record daily precipitation	94.2 mm (3.7 in)	48 of 100 (Notable)
Oakridge Fish Hatchery	United States	Record daily precipitation	56.4 mm (2.2 in)	48 of 100 (Notable)
Waimanalo 794	United States	Record daily precipitation	109.2 mm (4.3 in)	48 of 100 (Notable)
Moro	United States	Record daily precipitation	25.7 mm (1.0 in)	47 of 100 (Notable)
Lahaina 361	United States	Record daily precipitation	120.4 mm (4.7 in)	47 of 100 (Notable)
Iowa Hill	United States	Record daily precipitation	141.7 mm (5.6 in)	45 of 100 (Notable)
Friend	United States	Record daily precipitation	42.4 mm (1.7 in)	45 of 100 (Notable)
Kipahulu 258	United States	Record daily precipitation	166.4 mm (6.6 in)	45 of 100 (Notable)
Dryden	Canada	Record daily snowfall	20.3 cm (8.0 in)	44 of 100 (Notable)
Happy Camp Rs	United States	Record daily precipitation	96.5 mm (3.8 in)	43 of 100 (Notable)
Cornucopia	United States	Record daily precipitation	55.4 mm (2.2 in)	43 of 100 (Notable)
Yarra River (Yarra Glen)	Australia	Record daily precipitation	30.5 mm (1.2 in)	42 of 100 (Notable)
Skukuza	South Africa	Record daily precipitation	78.0 mm (3.1 in)	42 of 100 (Notable)
Stornoway Airport	United Kingdom	Record low minimum temperature	-10.0 C (14.0 F)	41 of 100 (Notable)
Kukuihaele Mill 206	United States	Record high minimum temperature	25.0 C (77.0 F)	41 of 100 (Notable)
Newry	Australia	Record daily precipitation	77.5 mm (3.1 in)	40 of 100 (Notable)
Driefontein	South Africa	Record daily precipitation	54.2 mm (2.1 in)	40 of 100 (Notable)
Tarnaby	Sweden	Record snow depth	121.0 cm (47.6 in)	40 of 100 (Notable)
Daly Waters	Australia	Record daily precipitation	72.9 mm (2.9 in)	39 of 100 (Notable)
Coranderrk Badger Weir	Australia	Record daily precipitation	41.7 mm (1.6 in)	39 of 100 (Notable)
Orleans	United States	Record daily precipitation	77.5 mm (3.1 in)	39 of 100 (Notable)
Forest Grove	United States	Record daily precipitation	77.2 mm (3.0 in)	39 of 100 (Notable)
Black Point 717	United States	Record daily precipitation	55.9 mm (2.2 in)	39 of 100 (Notable)
Minden	United States	Record daily precipitation	32.0 mm (1.3 in)	38 of 100 (Notable)
Forestburg 4 NNE	United States	Record snow depth	33.0 cm (13.0 in)	38 of 100 (Notable)
Indian Bay	Canada	Record daily snowfall	11.4 cm (4.5 in)	37 of 100 (Notable)
Mahinahina 466	United States	Record daily precipitation	172.2 mm (6.8 in)	37 of 100 (Notable)
Vulcan	Canada	Record daily snowfall	10.2 cm (4.0 in)	36 of 100 (Notable)
Kakabeka Falls	Canada	Record daily snowfall	20.3 cm (8.0 in)	35 of 100 (Notable)
Kalkfontein	South Africa	Record daily precipitation	56.5 mm (2.2 in)	35 of 100 (Notable)
Middletown 4 W	United States	Record low maximum temperature	-13.3 C (8.1 F)	35 of 100 (Notable)
Cottage Grove 2E	United States	Record daily precipitation	50.8 mm (2.0 in)	35 of 100 (Notable)
Saginaw	United States	Record daily precipitation	59.7 mm (2.4 in)	35 of 100 (Notable)
Brushgrove Post Office	Australia	Record daily precipitation	45.5 mm (1.8 in)	34 of 100 (Routine)
Tonteldoos	South Africa	Record daily precipitation	53.5 mm (2.1 in)	34 of 100 (Routine)
Nevada City	United States	Record high minimum temperature	10.0 C (50.0 F)	34 of 100 (Routine)
Mine Centre	Canada	Record daily snowfall	14.5 cm (5.7 in)	33 of 100 (Routine)
Waterloo	United States	Record daily precipitation	61.0 mm (2.4 in)	33 of 100 (Routine)
Ewa Plantation 741	United States	Record daily precipitation	88.4 mm (3.5 in)	33 of 100 (Routine)
Kapalama 773	United States	Record daily precipitation	91.4 mm (3.6 in)	33 of 100 (Routine)
Donkerhoek (Skl)	South Africa	Record daily precipitation	62.5 mm (2.5 in)	32 of 100 (Routine)
Austin 3 S	United States	Record daily precipitation	38.1 mm (1.5 in)	32 of 100 (Routine)
Detroit	United States	Record daily precipitation	97.0 mm (3.8 in)	32 of 100 (Routine)
Modoc Orchard	United States	Record daily precipitation	26.2 mm (1.0 in)	32 of 100 (Routine)
Bella Coola	Canada	Record low maximum temperature	-7.8 C (18.0 F)	31 of 100 (Routine)
Beatrice	Canada	Record low minimum temperature	-33.9 C (-29.0 F)	31 of 100 (Routine)
Kargopol	Russia	Record low maximum temperature	-28.0 C (-18.4 F)	31 of 100 (Routine)
Legkraal	South Africa	Record daily precipitation	39.7 mm (1.6 in)	31 of 100 (Routine)
Quincy	United States	Record high minimum temperature	7.2 C (45.0 F)	31 of 100 (Routine)
Yreka	United States	Record high minimum temperature	6.7 C (44.1 F)	31 of 100 (Routine)
McKenzie Rvr Rs	United States	Record daily precipitation	82.3 mm (3.2 in)	31 of 100 (Routine)
Sacramento 5 ESE	United States	Record high minimum temperature	12.8 C (55.0 F)	31 of 100 (Routine)

Counts by Type and Timescale

888 records

Records set or tied on 21 December 1955 by type: Highest daily maximum 114, Lowest daily maximum 206, Highest daily minimum 159, Lowest daily minimum 78, Heaviest daily rainfall 278, Heaviest daily snowfall 37, Deepest snow cover 16.

Records on 21 December 1955 by type
Record type	Records
Highest daily maximum	114
Lowest daily maximum	206
Highest daily minimum	159
Lowest daily minimum	78
Heaviest daily rainfall	278
Heaviest daily snowfall	37
Deepest snow cover	16

Records on 21 December 1955 by timescale: all-time 1, monthly 23, daily 864.

How Much Records Were Beaten By

758 broken records

Margins by which the 758 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 380.0. Ties are not counted.

Top 20 by Significance

21 December 1955

Top 20 records on 21 December 1955 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 December 1955	Ashland, US	daily rain	39.1 mm (1.5 in)	28.4 mm (1.1 in)	54 years	59 of 100 (Notable)
21 December 1955	Aiea Fld 764A, US	daily rain	116.1 mm (4.6 in)	89.4 mm (3.5 in)	48 years	59 of 100 (Notable)
21 December 1955	Dufur, US	daily rain	37.6 mm (1.5 in)	30.2 mm (1.2 in)	41 years	57 of 100 (Notable)
21 December 1955	Novorossijsk, RU	daily rain	42.7 mm (1.7 in)	24.6 mm (1.0 in)	71 years	56 of 100 (Notable)
21 December 1955	Prospect 2 SW, US	daily rain	61.7 mm (2.4 in)	46.0 mm (1.8 in)	38 years	56 of 100 (Notable)
21 December 1955	Kherson, UA	monthly rain	33.7 mm (1.3 in)	8.5 mm (0.33 in)	52 years	55 of 100 (Notable)
21 December 1955	Grants Pass, US	daily rain	46.2 mm (1.8 in)	35.0 mm (1.4 in)	61 years	54 of 100 (Notable)
21 December 1955	Madras, US	daily rain	27.4 mm (1.1 in)	20.0 mm (0.8 in)	30 years	53 of 100 (Notable)
21 December 1955	Cascadia, US	daily rain	94.2 mm (3.7 in)	63.5 mm (2.5 in)	14 years	48 of 100 (Notable)
21 December 1955	Oakridge Fish Hatchery, US	daily rain	56.4 mm (2.2 in)	40.1 mm (1.6 in)	22 years	48 of 100 (Notable)
21 December 1955	Waimanalo 794, US	daily rain	109.2 mm (4.3 in)	79.0 mm (3.1 in)	21 years	48 of 100 (Notable)
21 December 1955	Moro, US	daily rain	25.7 mm (1.0 in)	19.3 mm (0.8 in)	9 years	47 of 100 (Notable)
21 December 1955	Lahaina 361, US	daily rain	120.4 mm (4.7 in)	75.9 mm (3.0 in)	21 years	47 of 100 (Notable)
21 December 1955	Iowa Hill, US	monthly rain	141.7 mm (5.6 in)	29.2 mm (1.1 in)	49 years	45 of 100 (Notable)
21 December 1955	Friend, US	daily rain	42.4 mm (1.7 in)	28.9 mm (1.1 in)	30 years	45 of 100 (Notable)
21 December 1955	Kipahulu 258, US	daily rain	166.4 mm (6.6 in)	101.9 mm (4.0 in)	6 years	45 of 100 (Notable)
21 December 1955	Dryden, CA	daily snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	21 years	44 of 100 (Notable)
21 December 1955	Happy Camp Rs, US	daily rain	96.5 mm (3.8 in)	67.5 mm (2.7 in)	14 years	43 of 100 (Notable)
21 December 1955	Cornucopia, US	daily rain	55.4 mm (2.2 in)	30.8 mm (1.2 in)	36 years	43 of 100 (Notable)
21 December 1955	Yarra River (Yarra Glen), AU	daily rain	30.5 mm (1.2 in)	20.3 mm (0.8 in)	59 years	42 of 100 (Notable)

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 1955

Records set or tied on this calendar date in each year from 1793 to 1955. 1955 had 888 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	1,099

Download the Data

Data for records on 1955-12-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 50	731
50 to 100	17
100 to 150	7
150 to 200	2
200 to 250	0
250 to 300	0
300 to 350	0
350 to 400	1