Weather Records on 17 December 1948

316 weather records were set or tied worldwide on 17 December 1948. Highest significance: Warialda Post Office, AU.

Key Facts for 17 December 1948

On 17 December 1948, 316 weather records were set or tied at long-record stations worldwide.
119 were record highs and 51 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 2 monthly and 313 daily.
Warialda Post Office set a daily record precipitation of 47.8 mm (1.9 in) on 17 December 1948.
Across 160 earlier years (1793 to 2025) the same calendar date averaged 464 records.

Record Map

316 stations

316 station records on 17 December 1948 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 December 1948: highest significance records shown on the map
Station	Country	Type	Value	Significance
Warialda Post Office	Australia	Record daily precipitation	47.8 mm (1.9 in)	41 of 100 (Notable)
Selbu-Stubbe	Norway	Record daily precipitation	25.3 mm (1.0 in)	41 of 100 (Notable)
Jeanerette 5 NW	United States	Record daily precipitation	71.4 mm (2.8 in)	39 of 100 (Notable)
Victoria Hill	Australia	Record daily precipitation	71.9 mm (2.8 in)	37 of 100 (Notable)
Keremeos	Canada	Record daily snowfall	8.9 cm (3.5 in)	37 of 100 (Notable)
Avery Rs	United States	Record snow depth	66.0 cm (26.0 in)	37 of 100 (Notable)
Keanae 346	United States	Record daily precipitation	236.5 mm (9.3 in)	37 of 100 (Notable)
Conceicao	Brazil	Record daily precipitation	54.0 mm (2.1 in)	35 of 100 (Notable)
Stewart	Canada	Record daily snowfall	58.4 cm (23.0 in)	34 of 100 (Routine)
Graman (Willowie)	Australia	Record daily precipitation	34.3 mm (1.4 in)	33 of 100 (Routine)
Curlewis (Wandobah)	Australia	Record daily precipitation	29.7 mm (1.2 in)	33 of 100 (Routine)
Georgetown Post Office	Australia	Record low minimum temperature	13.3 C (55.9 F)	32 of 100 (Routine)
Stewart	Canada	Record daily precipitation	58.4 mm (2.3 in)	32 of 100 (Routine)
Schriever	United States	Record daily precipitation	50.8 mm (2.0 in)	32 of 100 (Routine)
Pierce Rs	United States	Record snow depth	121.9 cm (48.0 in)	31 of 100 (Routine)
Hartington	United States	Record snow depth	10.2 cm (4.0 in)	31 of 100 (Routine)
Flagstaff (Tnk)	South Africa	Record daily precipitation	58.4 mm (2.3 in)	30 of 100 (Routine)
Glentana	Australia	Record daily precipitation	39.1 mm (1.5 in)	29 of 100 (Routine)
Tara Shire Council	Australia	Record daily precipitation	50.0 mm (2.0 in)	29 of 100 (Routine)
Drobeta Turnu Severin	Romania	Record low minimum temperature	-20.6 C (-5.1 F)	29 of 100 (Routine)
Cidra 1 E	Puerto Rico [United States]	Record low maximum temperature	22.2 C (72.0 F)	28 of 100 (Routine)
Los Gatos	United States	Record low maximum temperature	6.1 C (43.0 F)	27 of 100 (Routine)
Hilliard	United States	Record high minimum temperature	18.9 C (66.0 F)	27 of 100 (Routine)
Spicer	United States	Record daily snowfall	10.2 cm (4.0 in)	26 of 100 (Routine)
Blackville 3 W	United States	Record high minimum temperature	17.8 C (64.0 F)	26 of 100 (Routine)
Umtata	South Africa	Record daily precipitation	41.4 mm (1.6 in)	25 of 100 (Routine)
Rifle	United States	Record snow depth	17.8 cm (7.0 in)	25 of 100 (Routine)
Newberry	United States	Record high minimum temperature	15.0 C (59.0 F)	25 of 100 (Routine)
Warron	Australia	Record daily precipitation	44.5 mm (1.8 in)	24 of 100 (Routine)
Gravesend Post Office	Australia	Record daily precipitation	25.4 mm (1.0 in)	24 of 100 (Routine)
Curlewis (Pine Cliff)	Australia	Record daily precipitation	27.9 mm (1.1 in)	24 of 100 (Routine)
Pilgrims Rest (Pol)	South Africa	Record daily precipitation	36.8 mm (1.4 in)	23 of 100 (Routine)
Amite	United States	Record daily precipitation	53.3 mm (2.1 in)	23 of 100 (Routine)
Deer Lodge	United States	Record low maximum temperature	-13.9 C (7.0 F)	23 of 100 (Routine)
Aztec Ruins Nm	United States	Record high minimum temperature	2.8 C (37.0 F)	23 of 100 (Routine)
Kingstree	United States	Record high minimum temperature	16.7 C (62.1 F)	23 of 100 (Routine)
Burdekin Shire Council	Australia	Record low minimum temperature	13.9 C (57.0 F)	22 of 100 (Routine)
Pine Brush	Australia	Record daily precipitation	35.6 mm (1.4 in)	22 of 100 (Routine)
Reit Im Winkl	Germany	Record daily precipitation	27.0 mm (1.1 in)	22 of 100 (Routine)
Vajda-Guba	Russia	Record low minimum temperature	-15.8 C (3.6 F)	22 of 100 (Routine)
W Pt	United States	Record high minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Aiken 5SE	United States	Record high minimum temperature	16.1 C (61.0 F)	22 of 100 (Routine)
S.Joao Do Piaui	Brazil	Record daily precipitation	62.0 mm (2.4 in)	21 of 100 (Routine)
Camptonville Rs	United States	Record daily precipitation	47.0 mm (1.9 in)	21 of 100 (Routine)
Shoshone	United States	Record daily snowfall	17.8 cm (7.0 in)	21 of 100 (Routine)
Bartow 1SE	United States	Record high minimum temperature	18.9 C (66.0 F)	21 of 100 (Routine)
Beaufort Wwtp	United States	Record high minimum temperature	17.8 C (64.0 F)	21 of 100 (Routine)
Camden 3 W	United States	Record high minimum temperature	13.3 C (55.9 F)	21 of 100 (Routine)
Society Hill 6 S	United States	Record high minimum temperature	16.1 C (61.0 F)	21 of 100 (Routine)
Snake Creek Powerhouse	United States	Record snow depth	66.0 cm (26.0 in)	21 of 100 (Routine)
Matjesvlei	South Africa	Record daily precipitation	23.1 mm (0.9 in)	20 of 100 (Routine)
Spicer	United States	Record daily precipitation	9.7 mm (0.38 in)	20 of 100 (Routine)
Moree Post Office	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Stuttgart	Germany	Record daily precipitation	19.9 mm (0.8 in)	20 of 100 (Routine)
Branxton (Dalwood Vineyard)	Australia	Record daily precipitation	24.4 mm (1.0 in)	20 of 100 (Routine)
Greta Post Office	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Port Lincoln (Big Swamp)	Australia	Record daily precipitation	14.0 mm (0.6 in)	20 of 100 (Routine)
Geisenheim	Germany	Record daily precipitation	4.4 mm (0.17 in)	20 of 100 (Routine)
Branxton Post Office	Australia	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Alpine	United States	Record daily precipitation	8.6 mm (0.34 in)	20 of 100 (Routine)

Counts by Type and Timescale

316 records

Records set or tied on 17 December 1948 by type: Highest daily maximum 31, Lowest daily maximum 32, Highest daily minimum 88, Lowest daily minimum 19, Heaviest daily rainfall 122, Heaviest daily snowfall 9, Deepest snow cover 15.

Records on 17 December 1948 by type
Record type	Records
Highest daily maximum	31
Lowest daily maximum	32
Highest daily minimum	88
Lowest daily minimum	19
Heaviest daily rainfall	122
Heaviest daily snowfall	9
Deepest snow cover	15

Records on 17 December 1948 by timescale: all-time 1, monthly 2, daily 313.

How Much Records Were Beaten By

269 broken records

Margins by which the 269 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 432.0. Ties are not counted.

Top 20 by Significance

17 December 1948

Top 20 records on 17 December 1948 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 December 1948	Warialda Post Office, AU	daily rain	47.8 mm (1.9 in)	24.7 mm (1.0 in)	51 years	41 of 100 (Notable)
17 December 1948	Selbu-Stubbe, NO	daily rain	25.3 mm (1.0 in)	12.0 mm (0.5 in)	48 years	41 of 100 (Notable)
17 December 1948	Jeanerette 5 NW, US	daily rain	71.4 mm (2.8 in)	49.8 mm (2.0 in)	26 years	39 of 100 (Notable)
17 December 1948	Victoria Hill, AU	daily rain	71.9 mm (2.8 in)	37.6 mm (1.5 in)	24 years	37 of 100 (Notable)
17 December 1948	Keremeos, CA	daily snowfall	8.9 cm (3.5 in)	6.4 cm (2.5 in)	51 years	37 of 100 (Notable)
17 December 1948	Avery Rs, US	daily snow depth	66.0 cm (26.0 in)	30.4 cm (12.0 in)	32 years	37 of 100 (Notable)
17 December 1948	Keanae 346, US	daily rain	236.5 mm (9.3 in)	109.5 mm (4.3 in)	25 years	37 of 100 (Notable)
17 December 1948	Conceicao, BR	daily rain	54.0 mm (2.1 in)	35.0 mm (1.4 in)	33 years	35 of 100 (Notable)
17 December 1948	Stewart, CA	daily snowfall	58.4 cm (23.0 in)	25.4 cm (10.0 in)	32 years	34 of 100 (Routine)
17 December 1948	Graman (Willowie), AU	daily rain	34.3 mm (1.4 in)	25.2 mm (1.0 in)	33 years	33 of 100 (Routine)
17 December 1948	Curlewis (Wandobah), AU	daily rain	29.7 mm (1.2 in)	19.5 mm (0.8 in)	41 years	33 of 100 (Routine)
17 December 1948	Georgetown Post Office, AU	daily low min	13.3 C (55.9 F)	4.5 C (8.1 F)	19 years	32 of 100 (Routine)
17 December 1948	Stewart, CA	daily rain	58.4 mm (2.3 in)	25.4 mm (1.0 in)	32 years	32 of 100 (Routine)
17 December 1948	Schriever, US	daily rain	50.8 mm (2.0 in)	29.2 mm (1.1 in)	42 years	32 of 100 (Routine)
17 December 1948	Pierce Rs, US	daily snow depth	121.9 cm (48.0 in)	43.2 cm (17.0 in)	32 years	31 of 100 (Routine)
17 December 1948	Hartington, US	daily snow depth	10.2 cm (4.0 in)	10.2 cm (4.0 in)	54 years	31 of 100 (Routine)
17 December 1948	Flagstaff (Tnk), ZA	daily rain	58.4 mm (2.3 in)	25.1 mm (1.0 in)	1 year	30 of 100 (Routine)
17 December 1948	Glentana, AU	daily rain	39.1 mm (1.5 in)	20.8 mm (0.8 in)	34 years	29 of 100 (Routine)
17 December 1948	Tara Shire Council, AU	daily rain	50.0 mm (2.0 in)	28.4 mm (1.1 in)	9 years	29 of 100 (Routine)
17 December 1948	Drobeta Turnu Severin, RO	daily low min	-20.6 C (-5.1 F)	5.6 C (10.1 F)	46 years	29 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 316 records.

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

Records on 12-17 in each year
Year	Records
1793	2
1796	1
1806	2
1808	2
1814	1
1815	1
1839	1
1845	1
1846	4
1847	1
1848	1
1859	3
1866	1
1867	1
1868	1
1869	2
1873	2
1876	3
1877	2
1878	1
1879	2
1881	2
1885	1
1886	1
1888	2
1889	2
1890	4
1892	4
1893	2
1894	4
1895	3
1896	4
1897	4
1898	2
1899	1
1900	6
1901	5
1902	47
1903	2
1904	14
1905	2
1906	17
1907	9
1908	13
1909	5
1910	37
1911	12
1912	15
1913	21
1914	17
1915	31
1916	21
1917	21
1918	21
1919	109
1920	97
1921	94
1922	120
1923	170
1924	505
1925	79
1926	172
1927	143
1928	359
1929	221
1930	362
1931	217
1932	684
1933	710
1934	200
1935	87
1936	504
1937	379
1938	118
1939	1,126
1940	248
1941	261
1942	507
1943	444
1944	189
1945	621
1946	207
1947	258
1948	316
1949	296
1950	294
1951	773
1952	277
1953	283
1954	409
1955	419
1956	448
1957	686
1958	540
1959	548
1960	492
1961	911
1962	676
1963	531
1964	1,239
1965	482
1966	516
1967	1,121
1968	338
1969	238
1970	820
1971	781
1972	601
1973	1,016
1974	390
1975	474
1976	507
1977	1,024
1978	710
1979	951
1980	1,116
1981	1,354
1982	569
1983	1,264
1984	1,618
1985	1,210
1986	743
1987	1,191
1988	481
1989	2,905
1990	866
1991	577
1992	1,461
1993	761
1994	685
1995	956
1996	1,212
1997	1,279
1998	695
1999	901
2000	1,566
2001	1,262
2002	858
2003	751
2004	554
2005	806
2006	1,307
2007	1,100
2008	1,354
2009	926
2010	1,405
2011	430
2012	942
2013	718
2014	370
2015	1,378
2016	1,521
2017	408
2018	498
2019	917
2020	768
2021	908
2022	595
2023	931
2024	560
2025	1,198

Download the Data

Data for records on 1948-12-17: 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).

Histogram of margins by which records were beaten on 17 December 1948
Margin	Records
0 to 100	262
100 to 200	4
200 to 300	1
300 to 400	1
400 to 500	1