Weather Records on 21 January 1948

387 weather records were set or tied worldwide on 21 January 1948. Highest significance: Blue Hill Coop, US.

Key Facts for 21 January 1948

On 21 January 1948, 387 weather records were set or tied at long-record stations worldwide.
139 were record highs and 16 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 6 monthly and 379 daily.
Blue Hill Coop set a daily record snow depth of 83.8 cm (33.0 in) on 21 January 1948.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 468 records.

Record Map

387 stations

387 station records on 21 January 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 January 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Blue Hill Coop	United States	Record snow depth	83.8 cm (33.0 in)	55 of 100 (Notable)
Scott Cda	Canada	Record daily snowfall	10.9 cm (4.3 in)	46 of 100 (Notable)
Moose Jaw Chab	Canada	Record daily snowfall	10.2 cm (4.0 in)	45 of 100 (Notable)
Sangamner	India	Record daily precipitation	27.9 mm (1.1 in)	45 of 100 (Notable)
Milford 2 SE	United States	Record daily precipitation	42.9 mm (1.7 in)	40 of 100 (Notable)
Rosetown Cda Epf	Canada	Record daily snowfall	10.9 cm (4.3 in)	39 of 100 (Notable)
St Augustine	United States	Record daily precipitation	42.7 mm (1.7 in)	39 of 100 (Notable)
Smithfield	United States	Record daily precipitation	29.0 mm (1.1 in)	39 of 100 (Notable)
Miami	United States	Record daily snowfall	17.8 cm (7.0 in)	37 of 100 (Notable)
Federal Pt	United States	Record daily precipitation	39.1 mm (1.5 in)	36 of 100 (Notable)
Bradenton Exp STN	United States	Record daily precipitation	52.3 mm (2.1 in)	33 of 100 (Routine)
Gainesville UNIV of Fl	United States	Record daily precipitation	38.9 mm (1.5 in)	32 of 100 (Routine)
Kinston 7 SE	United States	Record daily precipitation	27.7 mm (1.1 in)	31 of 100 (Routine)
Stillwater	Canada	Record daily precipitation	48.8 mm (1.9 in)	30 of 100 (Routine)
Mill Bay	Canada	Record daily precipitation	52.8 mm (2.1 in)	29 of 100 (Routine)
Waseca	Canada	Record daily snowfall	11.4 cm (4.5 in)	29 of 100 (Routine)
Ft Bidwell	United States	Record high maximum temperature	12.2 C (54.0 F)	29 of 100 (Routine)
Tarboro 1 S	United States	Record daily precipitation	29.2 mm (1.1 in)	29 of 100 (Routine)
Helwan (Cairo)	Egypt	Record high maximum temperature	25.0 C (77.0 F)	28 of 100 (Routine)
Astrakan	Russia	Record high maximum temperature	5.9 C (42.6 F)	28 of 100 (Routine)
Henichesk	Ukraine	Record high minimum temperature	5.9 C (42.6 F)	28 of 100 (Routine)
Fall River	United States	Record daily precipitation	51.3 mm (2.0 in)	28 of 100 (Routine)
Goldsboro 4 SE	United States	Record daily precipitation	42.9 mm (1.7 in)	28 of 100 (Routine)
Tbilisi	Georgia	Record high maximum temperature	16.9 C (62.4 F)	27 of 100 (Routine)
Hopewell	United States	Record daily precipitation	27.4 mm (1.1 in)	27 of 100 (Routine)
Astrakan	Russia	Record high minimum temperature	-0.3 C (31.5 F)	26 of 100 (Routine)
Calitzdorp Pol	South Africa	Record daily precipitation	38.1 mm (1.5 in)	26 of 100 (Routine)
Sitka Magnetic Obsy	United States	Record daily precipitation	68.8 mm (2.7 in)	26 of 100 (Routine)
Sao Jose Do Belmonte	Brazil	Record daily precipitation	30.0 mm (1.2 in)	25 of 100 (Routine)
El Suez	Egypt	Record high maximum temperature	27.0 C (80.6 F)	25 of 100 (Routine)
Punta Gorda	United States	Record daily precipitation	36.1 mm (1.4 in)	25 of 100 (Routine)
Carmel	United States	Record low minimum temperature	-22.8 C (-9.0 F)	25 of 100 (Routine)
Banff	Canada	Record high maximum temperature	8.3 C (46.9 F)	23 of 100 (Routine)
Dharmsala Lower	India	Record daily precipitation	55.9 mm (2.2 in)	23 of 100 (Routine)
Eastport	United States	Record daily precipitation	30.0 mm (1.2 in)	23 of 100 (Routine)
Williston Sloulin Fld	United States	Record daily snowfall	8.4 cm (3.3 in)	23 of 100 (Routine)
Whitton (Conapaira St)	Australia	Record daily precipitation	25.1 mm (1.0 in)	22 of 100 (Routine)
Fort McPherson	Canada	Record high maximum temperature	0.0 C (32.0 F)	22 of 100 (Routine)
Windsor Kings College	Canada	Record daily precipitation	29.2 mm (1.1 in)	22 of 100 (Routine)
Buzau	Romania	Record high maximum temperature	14.3 C (57.7 F)	22 of 100 (Routine)
Lugansk	Ukraine	Record high maximum temperature	10.2 C (50.4 F)	22 of 100 (Routine)
Lugansk	Ukraine	Record high minimum temperature	5.4 C (41.7 F)	22 of 100 (Routine)
Sussex 1 NW	United States	Record daily snowfall	6.4 cm (2.5 in)	22 of 100 (Routine)
Crossville Ed & Rsch STN	United States	Record daily snowfall	15.2 cm (6.0 in)	22 of 100 (Routine)
Bogoroditskoye-Fenino	Russia	Record high maximum temperature	3.4 C (38.1 F)	21 of 100 (Routine)
Feodosiia	Ukraine	Record high maximum temperature	14.5 C (58.1 F)	21 of 100 (Routine)
Deland 1 SSE	United States	Record daily precipitation	35.1 mm (1.4 in)	21 of 100 (Routine)
Isleworth	United States	Record daily precipitation	27.9 mm (1.1 in)	21 of 100 (Routine)
Bjuroklubb	Sweden	Record daily precipitation	11.8 mm (0.5 in)	20 of 100 (Routine)
Scott Cda	Canada	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Moose Jaw Chab	Canada	Record daily precipitation	10.2 mm (0.4 in)	20 of 100 (Routine)
Rosetown Cda Epf	Canada	Record daily precipitation	10.9 mm (0.4 in)	20 of 100 (Routine)
Williston Sloulin Fld	United States	Record daily precipitation	7.1 mm (0.28 in)	20 of 100 (Routine)
Sinnar	India	Record daily precipitation	14.5 mm (0.6 in)	20 of 100 (Routine)
Niphad	India	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)
Koup (Sar)	South Africa	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Kareekloof	South Africa	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)
Miami	United States	Record daily precipitation	12.2 mm (0.5 in)	20 of 100 (Routine)
Blackville 3 W	United States	Record daily precipitation	21.6 mm (0.9 in)	20 of 100 (Routine)
Waseca	Canada	Record daily precipitation	11.4 mm (0.4 in)	20 of 100 (Routine)

Counts by Type and Timescale

387 records

Records set or tied on 21 January 1948 by type: Highest daily maximum 72, Lowest daily maximum 12, Highest daily minimum 67, Lowest daily minimum 4, Heaviest daily rainfall 184, Heaviest daily snowfall 32, Deepest snow cover 16.

Records on 21 January 1948 by type
Record type	Records
Highest daily maximum	72
Lowest daily maximum	12
Highest daily minimum	67
Lowest daily minimum	4
Heaviest daily rainfall	184
Heaviest daily snowfall	32
Deepest snow cover	16

Records on 21 January 1948 by timescale: all-time 2, monthly 6, daily 379.

How Much Records Were Beaten By

335 broken records

Margins by which the 335 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 457.0. Ties are not counted.

Top 20 by Significance

21 January 1948

Top 20 records on 21 January 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 January 1948	Blue Hill Coop, US	daily snow depth	83.8 cm (33.0 in)	45.7 cm (18.0 in)	44 years	55 of 100 (Notable)
21 January 1948	Scott Cda, CA	daily snowfall	10.9 cm (4.3 in)	10.1 cm (4.0 in)	28 years	46 of 100 (Notable)
21 January 1948	Moose Jaw Chab, CA	daily snowfall	10.2 cm (4.0 in)	7.7 cm (3.0 in)	36 years	45 of 100 (Notable)
21 January 1948	Sangamner, IN	daily rain	27.9 mm (1.1 in)	27.9 mm (1.1 in)	46 years	45 of 100 (Notable)
21 January 1948	Milford 2 SE, US	daily rain	42.9 mm (1.7 in)	25.4 mm (1.0 in)	46 years	40 of 100 (Notable)
21 January 1948	Rosetown Cda Epf, CA	daily snowfall	10.9 cm (4.3 in)	10.4 cm (4.1 in)	6 years	39 of 100 (Notable)
21 January 1948	St Augustine, US	daily rain	42.7 mm (1.7 in)	33.3 mm (1.3 in)	16 years	39 of 100 (Notable)
21 January 1948	Smithfield, US	daily rain	29.0 mm (1.1 in)	20.1 mm (0.8 in)	53 years	39 of 100 (Notable)
21 January 1948	Miami, US	daily snowfall	17.8 cm (7.0 in)	11.4 cm (4.5 in)	32 years	37 of 100 (Notable)
21 January 1948	Federal Pt, US	daily rain	39.1 mm (1.5 in)	27.7 mm (1.1 in)	16 years	36 of 100 (Notable)
21 January 1948	Bradenton Exp STN, US	daily rain	52.3 mm (2.1 in)	39.6 mm (1.6 in)	16 years	33 of 100 (Routine)
21 January 1948	Gainesville UNIV of Fl, US	daily rain	38.9 mm (1.5 in)	20.4 mm (0.8 in)	44 years	32 of 100 (Routine)
21 January 1948	Kinston 7 SE, US	daily rain	27.7 mm (1.1 in)	22.6 mm (0.9 in)	29 years	31 of 100 (Routine)
21 January 1948	Stillwater, CA	daily rain	48.8 mm (1.9 in)	31.3 mm (1.2 in)	1 year	30 of 100 (Routine)
21 January 1948	Mill Bay, CA	daily rain	52.8 mm (2.1 in)	25.4 mm (1.0 in)	24 years	29 of 100 (Routine)
21 January 1948	Waseca, CA	daily snowfall	11.4 cm (4.5 in)	7.6 cm (3.0 in)	18 years	29 of 100 (Routine)
21 January 1948	Ft Bidwell, US	daily high max	12.2 C (54.0 F)	1.6 C (2.9 F)	65 years	29 of 100 (Routine)
21 January 1948	Tarboro 1 S, US	daily rain	29.2 mm (1.1 in)	12.7 mm (0.5 in)	37 years	29 of 100 (Routine)
21 January 1948	Helwan (Cairo), EG	daily high max	25.0 C (77.0 F)	4.0 C (7.2 F)	33 years	28 of 100 (Routine)
21 January 1948	Astrakan, RU	daily high max	5.9 C (42.6 F)	1.3 C (2.3 F)	66 years	28 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 1948

Records set or tied on this calendar date in each year from 1793 to 1948. 1948 had 387 records.

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

Records on 01-21 in each year
Year	Records
1793	1
1795	2
1796	1
1798	1
1800	2
1803	1
1804	2
1829	1
1838	3
1840	2
1845	2
1846	1
1850	2
1864	2
1866	4
1867	1
1869	1
1871	1
1873	2
1876	1
1878	4
1880	3
1881	4
1884	1
1885	1
1886	1
1888	3
1890	2
1891	3
1892	2
1893	1
1894	3
1895	2
1896	2
1897	3
1898	3
1899	15
1900	5
1901	4
1902	8
1903	18
1904	30
1905	3
1906	53
1907	10
1908	11
1909	25
1910	11
1911	8
1912	7
1913	23
1914	37
1915	47
1916	38
1917	83
1918	49
1919	14
1920	75
1921	54
1922	35
1923	62
1924	535
1925	103
1926	157
1927	447
1928	206
1929	132
1930	616
1931	112
1932	167
1933	572
1934	255
1935	771
1936	314
1937	852
1938	250
1939	305
1940	562
1941	205
1942	522
1943	1,168
1944	324
1945	290
1946	339
1947	205
1948	387
1949	452
1950	643
1951	367
1952	436
1953	325
1954	1,094
1955	399
1956	653
1957	527
1958	506
1959	936
1960	319
1961	746
1962	741
1963	761
1964	771
1965	251
1966	636
1967	511
1968	1,179
1969	927
1970	1,770
1971	672
1972	598
1973	573
1974	992
1975	496
1976	860
1977	549
1978	1,301
1979	1,675
1980	425
1981	972
1982	1,339
1983	1,179
1984	2,132
1985	2,457
1986	883
1987	934
1988	771
1989	511
1990	927
1991	559
1992	447
1993	1,763
1994	1,195
1995	1,276
1996	528
1997	950
1998	606
1999	1,387
2000	686
2001	736
2002	796
2003	690
2004	535
2005	1,111
2006	1,116
2007	1,955
2008	1,061
2009	788
2010	1,166
2011	836
2012	1,148
2013	455
2014	522
2015	426
2016	580
2017	1,248
2018	664
2019	526
2020	894
2021	626
2022	430
2023	517
2024	1,015
2025	1,386
2026	201

Download the Data

Data for records on 1948-01-21: 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 100	327
100 to 200	6
200 to 300	1
300 to 400	0
400 to 500	1