Weather Records on 17 December 1946

207 weather records were set or tied worldwide on 17 December 1946. Highest significance: Franklin 3 NW, US.

Key Facts for 17 December 1946

On 17 December 1946, 207 weather records were set or tied at long-record stations worldwide.
47 were record highs and 51 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 4 monthly and 203 daily.
Franklin 3 NW set a daily record precipitation of 96.0 mm (3.8 in) on 17 December 1946.
Across 160 earlier years (1793 to 2025) the same calendar date averaged 465 records.

Record Map

207 stations

207 station records on 17 December 1946 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 December 1946: highest significance records shown on the map
Station	Country	Type	Value	Significance
Franklin 3 NW	United States	Record daily precipitation	96.0 mm (3.8 in)	45 of 100 (Notable)
Mine Centre	Canada	Record daily snowfall	22.9 cm (9.0 in)	44 of 100 (Notable)
Cheboygan	United States	Record daily precipitation	29.0 mm (1.1 in)	44 of 100 (Notable)
Sao Joao Do Sabugi	Brazil	Record daily precipitation	45.0 mm (1.8 in)	43 of 100 (Notable)
Olaa 92	United States	Record daily precipitation	180.3 mm (7.1 in)	42 of 100 (Notable)
Watrap	India	Record daily precipitation	76.2 mm (3.0 in)	31 of 100 (Routine)
Tranqubar	India	Record daily precipitation	113.5 mm (4.5 in)	30 of 100 (Routine)
Acu	Brazil	Record daily precipitation	58.0 mm (2.3 in)	28 of 100 (Routine)
Kowanyama Airport	Australia	Record daily precipitation	73.7 mm (2.9 in)	27 of 100 (Routine)
Haina 214	United States	Record daily precipitation	87.1 mm (3.4 in)	26 of 100 (Routine)
Paauhau 217	United States	Record daily precipitation	67.6 mm (2.7 in)	26 of 100 (Routine)
Sitka Magnetic Obsy	United States	Record daily precipitation	44.5 mm (1.8 in)	25 of 100 (Routine)
Theethandathanam	India	Record daily precipitation	63.5 mm (2.5 in)	24 of 100 (Routine)
Steveston	Canada	Record daily snowfall	6.4 cm (2.5 in)	22 of 100 (Routine)
Lares	Puerto Rico [United States]	Record high minimum temperature	21.7 C (71.1 F)	22 of 100 (Routine)
Ladybrand (Skl)	South Africa	Record daily precipitation	29.2 mm (1.1 in)	22 of 100 (Routine)
Tejon Rancho	United States	Record low maximum temperature	5.0 C (41.0 F)	22 of 100 (Routine)
Serra Talhada	Brazil	Record daily precipitation	40.9 mm (1.6 in)	21 of 100 (Routine)
Hammond	United States	Record daily precipitation	40.6 mm (1.6 in)	21 of 100 (Routine)
Coupeville 1 S	United States	Record low maximum temperature	0.6 C (33.1 F)	21 of 100 (Routine)
Park Rapids Muni AP	United States	Record daily snowfall	17.8 cm (7.0 in)	21 of 100 (Routine)
Mine Centre	Canada	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Makrai	India	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Esquimalt	Canada	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Daryapur	India	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Sakri	India	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)
Gargoti	India	Record daily precipitation	22.4 mm (0.9 in)	20 of 100 (Routine)
Katdoornput 29	South Africa	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Pachora	India	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Victoria Gonzales Hts	Canada	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Atyrau	Kazakhstan	Record daily precipitation	6.1 mm (0.24 in)	20 of 100 (Routine)
Senador Pompeu	Brazil	Record daily precipitation	17.2 mm (0.7 in)	20 of 100 (Routine)
Harur	India	Record daily precipitation	21.8 mm (0.9 in)	20 of 100 (Routine)
Ust Tzilma	Russia	Record daily precipitation	7.1 mm (0.28 in)	20 of 100 (Routine)
Pemberton Meadows	Canada	Record low minimum temperature	-30.6 C (-23.1 F)	20 of 100 (Routine)
Emsdale	Canada	Record daily snowfall	14.0 cm (5.5 in)	20 of 100 (Routine)
Charlottetown Cda	Canada	Record high maximum temperature	7.8 C (46.0 F)	20 of 100 (Routine)
Jakutsk	Russia	Record high minimum temperature	-27.5 C (-17.5 F)	20 of 100 (Routine)
Ekaterinburg	Russia	Record low minimum temperature	-37.7 C (-35.9 F)	20 of 100 (Routine)
Franklin 3 NW	United States	Record high minimum temperature	17.8 C (64.0 F)	20 of 100 (Routine)
Phoenixville 1 E	United States	Record high maximum temperature	12.2 C (54.0 F)	20 of 100 (Routine)
Spearfish 9 WNW	United States	Record daily snowfall	7.6 cm (3.0 in)	20 of 100 (Routine)
Flores (Dnocs)	Brazil	Record daily precipitation	31.1 mm (1.2 in)	19 of 100 (Routine)
Parrsboro	Canada	Record high maximum temperature	10.0 C (50.0 F)	19 of 100 (Routine)
Astrakan	Russia	Record low minimum temperature	-21.1 C (-6.0 F)	19 of 100 (Routine)
New Salem 5NW	United States	Record daily precipitation	2.3 mm (0.09 in)	19 of 100 (Routine)
Bamfield	Canada	Record daily snowfall	1.3 cm (0.5 in)	18 of 100 (Routine)
Wolfville	Canada	Record high maximum temperature	10.6 C (51.1 F)	18 of 100 (Routine)
Vaniyambadi	India	Record daily precipitation	6.4 mm (0.25 in)	18 of 100 (Routine)
Mayuram	India	Record daily precipitation	43.2 mm (1.7 in)	18 of 100 (Routine)
Lindsay	United States	Record low maximum temperature	5.6 C (42.1 F)	18 of 100 (Routine)
Concrete Ppl Fish STN	United States	Record low maximum temperature	0.0 C (32.0 F)	18 of 100 (Routine)
Snake Rvr	United States	Record low maximum temperature	-11.1 C (12.0 F)	18 of 100 (Routine)
South Pass City	United States	Record low maximum temperature	-14.4 C (6.1 F)	18 of 100 (Routine)
Halaula 1110	United States	Record daily precipitation	8.9 mm (0.35 in)	18 of 100 (Routine)
Caracara	Brazil	Record daily precipitation	44.2 mm (1.7 in)	17 of 100 (Routine)
Monsenhor Tabosa	Brazil	Record daily precipitation	30.0 mm (1.2 in)	17 of 100 (Routine)
Park Rapids Muni AP	United States	Record daily precipitation	16.3 mm (0.6 in)	17 of 100 (Routine)
Koolpinyah	Australia	Record daily precipitation	58.4 mm (2.3 in)	16 of 100 (Routine)
Ibiapina	Brazil	Record daily precipitation	8.2 mm (0.32 in)	16 of 100 (Routine)

Counts by Type and Timescale

207 records

Records set or tied on 17 December 1946 by type: Highest daily maximum 37, Lowest daily maximum 30, Highest daily minimum 10, Lowest daily minimum 21, Heaviest daily rainfall 90, Heaviest daily snowfall 17, Deepest snow cover 2.

Records on 17 December 1946 by type
Record type	Records
Highest daily maximum	37
Lowest daily maximum	30
Highest daily minimum	10
Lowest daily minimum	21
Heaviest daily rainfall	90
Heaviest daily snowfall	17
Deepest snow cover	2

Records on 17 December 1946 by timescale: all-time 0, monthly 4, daily 203.

How Much Records Were Beaten By

177 broken records

Margins by which the 177 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 153.0. Ties are not counted.

Top 20 by Significance

17 December 1946

Top 20 records on 17 December 1946 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 December 1946	Franklin 3 NW, US	daily rain	96.0 mm (3.8 in)	58.9 mm (2.3 in)	24 years	45 of 100 (Notable)
17 December 1946	Mine Centre, CA	daily snowfall	22.9 cm (9.0 in)	15.3 cm (6.0 in)	7 years	44 of 100 (Notable)
17 December 1946	Cheboygan, US	daily rain	29.0 mm (1.1 in)	17.6 mm (0.7 in)	5 years	44 of 100 (Notable)
17 December 1946	Sao Joao Do Sabugi, BR	daily rain	45.0 mm (1.8 in)	42.4 mm (1.7 in)	35 years	43 of 100 (Notable)
17 December 1946	Olaa 92, US	daily rain	180.3 mm (7.1 in)	88.9 mm (3.5 in)	23 years	42 of 100 (Notable)
17 December 1946	Watrap, IN	daily rain	76.2 mm (3.0 in)	51.8 mm (2.0 in)	4 years	31 of 100 (Routine)
17 December 1946	Tranqubar, IN	daily rain	113.5 mm (4.5 in)	84.3 mm (3.3 in)	8 years	30 of 100 (Routine)
17 December 1946	Acu, BR	monthly rain	58.0 mm (2.3 in)	7.0 mm (0.28 in)	34 years	28 of 100 (Routine)
17 December 1946	Kowanyama Airport, AU	daily rain	73.7 mm (2.9 in)	43.0 mm (1.7 in)	19 years	27 of 100 (Routine)
17 December 1946	Haina 214, US	daily rain	87.1 mm (3.4 in)	35.5 mm (1.4 in)	23 years	26 of 100 (Routine)
17 December 1946	Paauhau 217, US	daily rain	67.6 mm (2.7 in)	21.6 mm (0.9 in)	40 years	26 of 100 (Routine)
17 December 1946	Sitka Magnetic Obsy, US	daily rain	44.5 mm (1.8 in)	10.7 mm (0.4 in)	44 years	25 of 100 (Routine)
17 December 1946	Theethandathanam, IN	daily rain	63.5 mm (2.5 in)	19.3 mm (0.8 in)	41 years	24 of 100 (Routine)
17 December 1946	Steveston, CA	daily snowfall	6.4 cm (2.5 in)	1.3 cm (0.5 in)	46 years	22 of 100 (Routine)
17 December 1946	Lares, PR	monthly high min	21.7 C (71.1 F)	0.6 C (1.1 F)	19 years	22 of 100 (Routine)
17 December 1946	Ladybrand (Skl), ZA	daily rain	29.2 mm (1.1 in)	11.7 mm (0.5 in)	24 years	22 of 100 (Routine)
17 December 1946	Tejon Rancho, US	daily low max	5.0 C (41.0 F)	3.3 C (5.9 F)	33 years	22 of 100 (Routine)
17 December 1946	Serra Talhada, BR	daily rain	40.9 mm (1.6 in)	24.2 mm (1.0 in)	12 years	21 of 100 (Routine)
17 December 1946	Hammond, US	daily rain	40.6 mm (1.6 in)	14.9 mm (0.6 in)	24 years	21 of 100 (Routine)
17 December 1946	Coupeville 1 S, US	daily low max	0.6 C (33.1 F)	0.5 C (0.9 F)	50 years	21 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 1946

Records set or tied on this calendar date in each year from 1793 to 1946. 1946 had 207 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 1946-12-17: 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).

Margin	Records
0 to 20	158
20 to 40	10
40 to 60	6
60 to 80	0
80 to 100	2
100 to 120	0
120 to 140	0
140 to 160	1