Weather Records on 18 December 1931

360 weather records were set or tied worldwide on 18 December 1931. Highest significance: Monroe #2, US.

Key Facts for 18 December 1931

On 18 December 1931, 360 weather records were set or tied at long-record stations worldwide.
294 were record highs and 13 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 2 monthly and 358 daily.
Monroe #2 set a daily record precipitation of 74.9 mm (2.9 in) on 18 December 1931.
Across 156 earlier years (1793 to 2025) the same calendar date averaged 480 records.

Record Map

360 stations

360 station records on 18 December 1931 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 December 1931: highest significance records shown on the map
Station	Country	Type	Value	Significance
Monroe #2	United States	Record daily precipitation	74.9 mm (2.9 in)	36 of 100 (Notable)
Prescott 2 NNW	United States	Record daily precipitation	36.3 mm (1.4 in)	29 of 100 (Routine)
Crystal Springs Exp STN	United States	Record daily precipitation	61.0 mm (2.4 in)	29 of 100 (Routine)
Aberdeen	United States	Record daily precipitation	73.7 mm (2.9 in)	28 of 100 (Routine)
Escanaba	United States	Record high maximum temperature	10.0 C (50.0 F)	27 of 100 (Routine)
Mudigere	India	Record daily precipitation	43.9 mm (1.7 in)	24 of 100 (Routine)
Lake Moraine	United States	Record high maximum temperature	12.8 C (55.0 F)	24 of 100 (Routine)
Brookhaven City	United States	Record daily precipitation	47.0 mm (1.9 in)	24 of 100 (Routine)
Biskra	Algeria	Record low minimum temperature	2.0 C (35.6 F)	23 of 100 (Routine)
Steveston	Canada	Record daily precipitation	30.0 mm (1.2 in)	23 of 100 (Routine)
De Funiak Springs 1 E	United States	Record high minimum temperature	17.2 C (63.0 F)	22 of 100 (Routine)
Laramie	United States	Record high maximum temperature	13.3 C (55.9 F)	22 of 100 (Routine)
Kazan	Russia	Record daily precipitation	12.9 mm (0.5 in)	20 of 100 (Routine)
Regina Int'l A	Canada	Record daily precipitation	7.1 mm (0.28 in)	20 of 100 (Routine)
Mottinger	United States	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Moose Jaw Chab	Canada	Record daily precipitation	4.8 mm (0.19 in)	20 of 100 (Routine)
Ritzville 1 SSE	United States	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Colfax	United States	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Nazira	India	Record daily precipitation	8.6 mm (0.34 in)	20 of 100 (Routine)
La Harpe	United States	Record high maximum temperature	15.0 C (59.0 F)	20 of 100 (Routine)
Rosalia	United States	Record daily precipitation	15.7 mm (0.6 in)	20 of 100 (Routine)
Hvar	Croatia	Record low maximum temperature	5.5 C (41.9 F)	19 of 100 (Routine)
Lanka	India	Record daily precipitation	8.1 mm (0.32 in)	19 of 100 (Routine)
Indianola 1SW	United States	Record high maximum temperature	13.9 C (57.0 F)	19 of 100 (Routine)
Pauls Valley 4 WSW	United States	Record high minimum temperature	6.7 C (44.1 F)	19 of 100 (Routine)
Weston 2 SE	United States	Record daily precipitation	17.8 mm (0.7 in)	19 of 100 (Routine)
Jackson 4 NW	United States	Record daily precipitation	29.2 mm (1.1 in)	19 of 100 (Routine)
Columbia Wb City	United States	Record high maximum temperature	18.3 C (64.9 F)	19 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record low minimum temperature	-38.1 C (-36.6 F)	18 of 100 (Routine)
Wray	United States	Record high maximum temperature	18.9 C (66.0 F)	18 of 100 (Routine)
Ishpeming	United States	Record high maximum temperature	7.2 C (45.0 F)	18 of 100 (Routine)
Kosciusko	United States	Record high minimum temperature	13.3 C (55.9 F)	18 of 100 (Routine)
Fulton	United States	Record high maximum temperature	18.3 C (64.9 F)	18 of 100 (Routine)
Agassiz Cda	Canada	Record daily precipitation	29.0 mm (1.1 in)	17 of 100 (Routine)
Saint Maries	United States	Record daily precipitation	15.7 mm (0.6 in)	17 of 100 (Routine)
Cedar Rapids #1	United States	Record high maximum temperature	11.7 C (53.1 F)	17 of 100 (Routine)
Mackinaw City 2	United States	Record high maximum temperature	8.3 C (46.9 F)	17 of 100 (Routine)
Fayette	United States	Record high maximum temperature	17.8 C (64.0 F)	17 of 100 (Routine)
Jefferson City Wtp	United States	Record high minimum temperature	4.4 C (39.9 F)	17 of 100 (Routine)
Koshkonong	United States	Record high minimum temperature	8.3 C (46.9 F)	17 of 100 (Routine)
Colville	United States	Record daily precipitation	14.2 mm (0.6 in)	17 of 100 (Routine)
Wilbur	United States	Record daily precipitation	12.7 mm (0.5 in)	17 of 100 (Routine)
Beloit	United States	Record high maximum temperature	10.0 C (50.0 F)	17 of 100 (Routine)
Oconto 4 W	United States	Record high maximum temperature	8.9 C (48.0 F)	17 of 100 (Routine)
Saginaw Mbs Intl AP	United States	Record high maximum temperature	9.4 C (48.9 F)	17 of 100 (Routine)
Indian Head Cda	Canada	Record high minimum temperature	-6.1 C (21.0 F)	16 of 100 (Routine)
Indian Head Cda	Canada	Record daily precipitation	8.9 mm (0.35 in)	16 of 100 (Routine)
Saskatoon Diefenbaker Int'l A	Canada	Record high maximum temperature	3.9 C (39.0 F)	16 of 100 (Routine)
Minnedosa	Canada	Record high maximum temperature	3.9 C (39.0 F)	16 of 100 (Routine)
Minnedosa	Canada	Record high minimum temperature	-1.7 C (28.9 F)	16 of 100 (Routine)
Dindori	India	Record daily precipitation	7.1 mm (0.28 in)	16 of 100 (Routine)
Astrakan	Russia	Record daily precipitation	4.6 mm (0.18 in)	16 of 100 (Routine)
Waycross 4 NE	United States	Record high maximum temperature	29.4 C (84.9 F)	16 of 100 (Routine)
Carroll	United States	Record high minimum temperature	0.6 C (33.1 F)	16 of 100 (Routine)
Cheboygan	United States	Record high minimum temperature	-0.6 C (30.9 F)	16 of 100 (Routine)
Hastings	United States	Record high maximum temperature	9.4 C (48.9 F)	16 of 100 (Routine)
Petoskey	United States	Record high maximum temperature	7.8 C (46.0 F)	16 of 100 (Routine)
St Ignace	United States	Record high maximum temperature	7.2 C (45.0 F)	16 of 100 (Routine)
Bethany	United States	Record high maximum temperature	12.2 C (54.0 F)	16 of 100 (Routine)
Warrenton 1 N	United States	Record high minimum temperature	8.9 C (48.0 F)	16 of 100 (Routine)

Counts by Type and Timescale

360 records

Records set or tied on 18 December 1931 by type: Highest daily maximum 146, Lowest daily maximum 4, Highest daily minimum 148, Lowest daily minimum 9, Heaviest daily rainfall 51, Heaviest daily snowfall 1, Deepest snow cover 1.

Records on 18 December 1931 by type
Record type	Records
Highest daily maximum	146
Lowest daily maximum	4
Highest daily minimum	148
Lowest daily minimum	9
Heaviest daily rainfall	51
Heaviest daily snowfall	1
Deepest snow cover	1

Records on 18 December 1931 by timescale: all-time 0, monthly 2, daily 358.

How Much Records Were Beaten By

264 broken records

Margins by which the 264 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 40.9. Ties are not counted.

Top 20 by Significance

18 December 1931

Top 20 records on 18 December 1931 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 December 1931	Monroe #2, US	daily rain	74.9 mm (2.9 in)	40.9 mm (1.6 in)	33 years	36 of 100 (Notable)
18 December 1931	Prescott 2 NNW, US	daily rain	36.3 mm (1.4 in)	23.6 mm (0.9 in)	32 years	29 of 100 (Routine)
18 December 1931	Crystal Springs Exp STN, US	daily rain	61.0 mm (2.4 in)	31.8 mm (1.3 in)	32 years	29 of 100 (Routine)
18 December 1931	Aberdeen, US	daily rain	73.7 mm (2.9 in)	27.5 mm (1.1 in)	25 years	28 of 100 (Routine)
18 December 1931	Escanaba, US	daily high max	10.0 C (50.0 F)	5.0 C (9.0 F)	45 years	27 of 100 (Routine)
18 December 1931	Mudigere, IN	daily rain	43.9 mm (1.7 in)	38.1 mm (1.5 in)	4 years	24 of 100 (Routine)
18 December 1931	Lake Moraine, US	monthly high max	12.8 C (55.0 F)	0.6 C (1.1 F)	35 years	24 of 100 (Routine)
18 December 1931	Brookhaven City, US	daily rain	47.0 mm (1.9 in)	31.8 mm (1.3 in)	24 years	24 of 100 (Routine)
18 December 1931	Biskra, DZ	daily low min	2.0 C (35.6 F)	1.8 C (3.2 F)	41 years	23 of 100 (Routine)
18 December 1931	Steveston, CA	daily rain	30.0 mm (1.2 in)	8.4 mm (0.33 in)	34 years	23 of 100 (Routine)
18 December 1931	De Funiak Springs 1 E, US	daily high min	17.2 C (63.0 F)	5.5 C (9.9 F)	33 years	22 of 100 (Routine)
18 December 1931	Laramie, US	daily high max	13.3 C (55.9 F)	5.0 C (9.0 F)	36 years	22 of 100 (Routine)
18 December 1931	Kazan, RU	daily rain	12.9 mm (0.5 in)	9.7 mm (0.38 in)	8 years	20 of 100 (Routine)
18 December 1931	Regina Int'l A, CA	daily rain	7.1 mm (0.28 in)	4.6 mm (0.18 in)	18 years	20 of 100 (Routine)
18 December 1931	Mottinger, US	daily rain	13.7 mm (0.5 in)	9.1 mm (0.36 in)	1 year	20 of 100 (Routine)
18 December 1931	Moose Jaw Chab, CA	daily rain	4.8 mm (0.19 in)	2.3 mm (0.09 in)	44 years	20 of 100 (Routine)
18 December 1931	Ritzville 1 SSE, US	daily rain	18.5 mm (0.7 in)	9.6 mm (0.38 in)	4 years	20 of 100 (Routine)
18 December 1931	Colfax, US	daily rain	16.0 mm (0.6 in)	7.1 mm (0.28 in)	13 years	20 of 100 (Routine)
18 December 1931	Nazira, IN	daily rain	8.6 mm (0.34 in)	7.1 mm (0.28 in)	18 years	20 of 100 (Routine)
18 December 1931	La Harpe, US	daily high max	15.0 C (59.0 F)	5.6 C (10.1 F)	30 years	20 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 1931

Records set or tied on this calendar date in each year from 1793 to 1931. 1931 had 360 records.

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

Records on 12-18 in each year
Year	Records
1793	1
1796	1
1805	1
1814	1
1825	1
1846	1
1849	1
1852	2
1858	1
1859	4
1862	2
1864	1
1868	1
1873	1
1875	1
1876	2
1878	1
1881	2
1882	1
1884	2
1886	1
1887	1
1888	1
1889	4
1890	5
1892	4
1894	8
1895	1
1897	4
1898	9
1899	3
1900	2
1901	6
1902	33
1903	11
1904	25
1905	3
1906	21
1907	15
1908	16
1909	18
1910	19
1911	9
1912	33
1913	38
1914	20
1915	28
1916	57
1917	62
1918	21
1919	117
1920	77
1921	123
1922	108
1923	378
1924	480
1925	74
1926	173
1927	151
1928	165
1929	366
1930	230
1931	360
1932	353
1933	506
1934	209
1935	138
1936	466
1937	459
1938	185
1939	900
1940	242
1941	213
1942	281
1943	419
1944	191
1945	598
1946	199
1947	266
1948	354
1949	561
1950	289
1951	867
1952	450
1953	373
1954	507
1955	611
1956	333
1957	901
1958	524
1959	477
1960	477
1961	885
1962	759
1963	571
1964	840
1965	402
1966	644
1967	1,105
1968	488
1969	376
1970	502
1971	387
1972	375
1973	1,008
1974	229
1975	625
1976	459
1977	992
1978	946
1979	1,087
1980	772
1981	1,362
1982	537
1983	2,014
1984	1,439
1985	1,384
1986	875
1987	1,505
1988	1,061
1989	1,818
1990	1,367
1991	756
1992	1,045
1993	697
1994	643
1995	1,065
1996	1,833
1997	1,195
1998	863
1999	923
2000	1,572
2001	906
2002	1,437
2003	987
2004	506
2005	987
2006	1,167
2007	746
2008	1,014
2009	1,253
2010	1,322
2011	697
2012	729
2013	513
2014	556
2015	1,254
2016	1,821
2017	516
2018	464
2019	679
2020	326
2021	762
2022	536
2023	1,293
2024	780
2025	994

Download the Data

Data for records on 1931-12-18: 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 18 December 1931
Margin	Records
0 to 10	254
10 to 20	4
20 to 30	2
30 to 40	3
40 to 50	1