Weather Records on 15 January 1940

265 weather records were set or tied worldwide on 15 January 1940. Highest significance: Worcester, US.

Key Facts for 15 January 1940

On 15 January 1940, 265 weather records were set or tied at long-record stations worldwide.
19 were record highs and 62 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 15 monthly and 245 daily.
Worcester set a daily record precipitation of 57.2 mm (2.3 in) on 15 January 1940.
Across 159 earlier years (1795 to 2026) the same calendar date averaged 504 records.

Record Map

265 stations

265 station records on 15 January 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 15 January 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Worcester	United States	Record daily precipitation	57.2 mm (2.3 in)	50 of 100 (Notable)
Sterling	United States	Record daily precipitation	67.6 mm (2.7 in)	49 of 100 (Notable)
Newberry-Luce Co Rd Commission	United States	Record daily precipitation	32.3 mm (1.3 in)	48 of 100 (Notable)
Williamsport	United States	Record daily precipitation	49.0 mm (1.9 in)	46 of 100 (Notable)
Gardiner	United States	Record daily precipitation	59.7 mm (2.4 in)	45 of 100 (Notable)
Vlakfontein	South Africa	Record daily precipitation	90.2 mm (3.6 in)	43 of 100 (Notable)
Durham	United States	Record daily precipitation	67.8 mm (2.7 in)	42 of 100 (Notable)
Storrs	United States	Record daily precipitation	88.6 mm (3.5 in)	41 of 100 (Notable)
Portland	United States	Record daily precipitation	75.7 mm (3.0 in)	41 of 100 (Notable)
Horton	United States	Record snow depth	22.9 cm (9.0 in)	40 of 100 (Notable)
Charlotteburg Rsvr	United States	Record daily precipitation	50.8 mm (2.0 in)	39 of 100 (Notable)
Waterbury	United States	Record daily precipitation	58.4 mm (2.3 in)	37 of 100 (Notable)
Lucan	Canada	Record daily snowfall	20.3 cm (8.0 in)	36 of 100 (Notable)
Waterville Wwtp	United States	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Jefferson	United States	Record daily precipitation	64.8 mm (2.6 in)	36 of 100 (Notable)
Vernon	United States	Record daily precipitation	41.9 mm (1.6 in)	36 of 100 (Notable)
Bridgeport	United States	Record daily precipitation	53.8 mm (2.1 in)	35 of 100 (Notable)
Colchester 2 W	United States	Record daily precipitation	68.1 mm (2.7 in)	35 of 100 (Notable)
Clarinda	United States	Record snow depth	520.7 cm (205.0 in)	35 of 100 (Notable)
Woodstock	Canada	Record daily snowfall	15.2 cm (6.0 in)	33 of 100 (Routine)
Tartu-Toravere	Estonia	Record low minimum temperature	-31.7 C (-25.1 F)	33 of 100 (Routine)
Ekaterinburg	Russia	Record low maximum temperature	-37.3 C (-35.1 F)	33 of 100 (Routine)
Little Falls	United States	Record daily precipitation	78.7 mm (3.1 in)	32 of 100 (Routine)
New London	United States	Record daily precipitation	64.0 mm (2.5 in)	31 of 100 (Routine)
Keene	United States	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Peterborough	Canada	Record daily snowfall	9.9 cm (3.9 in)	30 of 100 (Routine)
Blue Hill Coop	United States	Record daily precipitation	47.8 mm (1.9 in)	30 of 100 (Routine)
Taralga (Grathawai)	Australia	Record daily precipitation	38.1 mm (1.5 in)	29 of 100 (Routine)
Tartu	Estonia	Record low minimum temperature	-31.7 C (-25.1 F)	29 of 100 (Routine)
Chemnitz	Germany	Record snow depth	18.0 cm (7.1 in)	29 of 100 (Routine)
Biser	Russia	Record low minimum temperature	-43.7 C (-46.7 F)	29 of 100 (Routine)
Haparanda	Sweden	Record low maximum temperature	-22.0 C (-7.6 F)	29 of 100 (Routine)
Colby	United States	Record snow depth	20.3 cm (8.0 in)	29 of 100 (Routine)
Huntsville	Canada	Record daily snowfall	10.2 cm (4.0 in)	28 of 100 (Routine)
Lewiston	United States	Record daily precipitation	63.2 mm (2.5 in)	28 of 100 (Routine)
Brockton	United States	Record daily precipitation	30.5 mm (1.2 in)	28 of 100 (Routine)
Waupaca	United States	Record daily snowfall	25.4 cm (10.0 in)	28 of 100 (Routine)
Pointe Au Pere	Canada	Record daily snowfall	15.2 cm (6.0 in)	27 of 100 (Routine)
Mt Ayr	United States	Record snow depth	421.6 cm (166.0 in)	27 of 100 (Routine)
Fairbury 7S	United States	Record snow depth	35.6 cm (14.0 in)	27 of 100 (Routine)
Plymouth	United States	Record daily precipitation	29.2 mm (1.1 in)	27 of 100 (Routine)
Matamoras	United States	Record daily precipitation	38.9 mm (1.5 in)	26 of 100 (Routine)
Kingston	United States	Record daily precipitation	54.1 mm (2.1 in)	26 of 100 (Routine)
Kargopol	Russia	Record low minimum temperature	-41.9 C (-43.4 F)	25 of 100 (Routine)
Haverhill	United States	Record daily precipitation	34.5 mm (1.4 in)	25 of 100 (Routine)
Alliance 1WNW	United States	Record snow depth	15.2 cm (6.0 in)	25 of 100 (Routine)
Cream Hill	United States	Record daily precipitation	41.9 mm (1.6 in)	24 of 100 (Routine)
Concord	United States	Record daily precipitation	35.8 mm (1.4 in)	24 of 100 (Routine)
Whitefish Pt	United States	Record daily snowfall	18.5 cm (7.3 in)	24 of 100 (Routine)
Mt Pocono 2 N	United States	Record daily precipitation	55.9 mm (2.2 in)	24 of 100 (Routine)
Edmonton	Canada	Record daily snowfall	6.1 cm (2.4 in)	23 of 100 (Routine)
Arhangelsk	Russia	Record low minimum temperature	-38.0 C (-36.4 F)	23 of 100 (Routine)
Lake Konomoc	United States	Record daily precipitation	61.0 mm (2.4 in)	23 of 100 (Routine)
Tot-Ma	Russia	Record low minimum temperature	-40.3 C (-40.5 F)	22 of 100 (Routine)
Plymouth-Kingston	United States	Record daily precipitation	56.6 mm (2.2 in)	22 of 100 (Routine)
Boonton 1 SE	United States	Record daily precipitation	61.5 mm (2.4 in)	22 of 100 (Routine)
Anticosti SW Point	Canada	Record high maximum temperature	1.7 C (35.1 F)	21 of 100 (Routine)
Velikie Luki	Russia	Record low minimum temperature	-34.3 C (-29.7 F)	21 of 100 (Routine)
Lowestoft	United Kingdom	Record low maximum temperature	0.0 C (32.0 F)	21 of 100 (Routine)
Cedar Rapids #1	United States	Record daily snowfall	5.6 cm (2.2 in)	21 of 100 (Routine)

Counts by Type and Timescale

265 records

Records set or tied on 15 January 1940 by type: Highest daily maximum 11, Lowest daily maximum 13, Highest daily minimum 8, Lowest daily minimum 49, Heaviest daily rainfall 126, Heaviest daily snowfall 22, Deepest snow cover 36.

Records on 15 January 1940 by type
Record type	Records
Highest daily maximum	11
Lowest daily maximum	13
Highest daily minimum	8
Lowest daily minimum	49
Heaviest daily rainfall	126
Heaviest daily snowfall	22
Deepest snow cover	36

Records on 15 January 1940 by timescale: all-time 5, monthly 15, daily 245.

How Much Records Were Beaten By

227 broken records

Margins by which the 227 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 1270.0. Ties are not counted.

Top 20 by Significance

15 January 1940

Top 20 records on 15 January 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
15 January 1940	Worcester, US	daily rain	57.2 mm (2.3 in)	42.0 mm (1.7 in)	21 years	50 of 100 (Notable)
15 January 1940	Sterling, US	daily rain	67.6 mm (2.7 in)	44.2 mm (1.7 in)	29 years	49 of 100 (Notable)
15 January 1940	Newberry-Luce Co Rd Commission, US	daily rain	32.3 mm (1.3 in)	21.1 mm (0.8 in)	16 years	48 of 100 (Notable)
15 January 1940	Williamsport, US	daily rain	49.0 mm (1.9 in)	33.8 mm (1.3 in)	21 years	46 of 100 (Notable)
15 January 1940	Gardiner, US	daily rain	59.7 mm (2.4 in)	34.6 mm (1.4 in)	28 years	45 of 100 (Notable)
15 January 1940	Vlakfontein, ZA	daily rain	90.2 mm (3.6 in)	52.6 mm (2.1 in)	1 year	43 of 100 (Notable)
15 January 1940	Durham, US	daily rain	67.8 mm (2.7 in)	34.8 mm (1.4 in)	40 years	42 of 100 (Notable)
15 January 1940	Storrs, US	monthly rain	88.6 mm (3.5 in)	27.1 mm (1.1 in)	5 years	41 of 100 (Notable)
15 January 1940	Portland, US	monthly rain	75.7 mm (3.0 in)	14.7 mm (0.6 in)	36 years	41 of 100 (Notable)
15 January 1940	Horton, US	daily snow depth	22.9 cm (9.0 in)	17.8 cm (7.0 in)	2 years	40 of 100 (Notable)
15 January 1940	Charlotteburg Rsvr, US	daily rain	50.8 mm (2.0 in)	33.0 mm (1.3 in)	21 years	39 of 100 (Notable)
15 January 1940	Waterbury, US	daily rain	58.4 mm (2.3 in)	30.5 mm (1.2 in)	29 years	37 of 100 (Notable)
15 January 1940	Lucan, CA	daily snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	21 years	36 of 100 (Notable)
15 January 1940	Waterville Wwtp, US	daily rain	27.9 mm (1.1 in)	20.3 mm (0.8 in)	40 years	36 of 100 (Notable)
15 January 1940	Jefferson, US	daily rain	64.8 mm (2.6 in)	32.0 mm (1.3 in)	29 years	36 of 100 (Notable)
15 January 1940	Vernon, US	daily rain	41.9 mm (1.6 in)	23.9 mm (0.9 in)	18 years	36 of 100 (Notable)
15 January 1940	Bridgeport, US	daily rain	53.8 mm (2.1 in)	25.6 mm (1.0 in)	21 years	35 of 100 (Notable)
15 January 1940	Colchester 2 W, US	daily rain	68.1 mm (2.7 in)	34.1 mm (1.3 in)	18 years	35 of 100 (Notable)
15 January 1940	Clarinda, US	all-time snow depth	520.7 cm (205.0 in)	12.7 cm (5.0 in)	34 years	35 of 100 (Notable)
15 January 1940	Woodstock, CA	daily snowfall	15.2 cm (6.0 in)	3.8 cm (1.5 in)	62 years	33 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

1795 to 1940

Records set or tied on this calendar date in each year from 1795 to 1940. 1940 had 265 records.

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

Records on 01-15 in each year
Year	Records
1795	1
1799	2
1820	2
1838	1
1845	3
1849	1
1852	1
1853	1
1862	1
1864	1
1866	2
1868	1
1870	1
1871	1
1873	1
1874	1
1875	2
1876	1
1878	1
1881	4
1882	1
1883	1
1884	3
1886	1
1890	3
1891	1
1893	7
1894	2
1895	6
1896	4
1897	5
1898	1
1899	10
1900	3
1901	10
1902	7
1903	1
1904	11
1905	22
1906	23
1907	12
1908	5
1909	29
1910	78
1911	14
1912	28
1913	10
1914	27
1915	67
1916	26
1917	35
1918	241
1919	39
1920	79
1921	55
1922	19
1923	48
1924	43
1925	398
1926	41
1927	406
1928	410
1929	151
1930	581
1931	156
1932	1,069
1933	241
1934	101
1935	218
1936	230
1937	587
1938	679
1939	234
1940	265
1941	376
1942	402
1943	613
1944	348
1945	417
1946	333
1947	604
1948	738
1949	727
1950	963
1951	577
1952	665
1953	1,193
1954	515
1955	273
1956	531
1957	790
1958	453
1959	261
1960	707
1961	740
1962	660
1963	1,422
1964	829
1965	643
1966	437
1967	518
1968	812
1969	989
1970	406
1971	600
1972	1,748
1973	753
1974	1,663
1975	744
1976	517
1977	773
1978	951
1979	1,441
1980	901
1981	671
1982	1,187
1983	756
1984	1,121
1985	1,022
1986	515
1987	1,124
1988	742
1989	880
1990	829
1991	748
1992	1,159
1993	1,121
1994	1,465
1995	1,808
1996	1,199
1997	1,330
1998	855
1999	1,159
2000	1,020
2001	929
2002	775
2003	586
2004	1,371
2005	727
2006	767
2007	2,717
2008	629
2009	1,125
2010	820
2011	943
2012	476
2013	1,132
2014	507
2015	479
2016	597
2017	988
2018	916
2019	339
2020	1,330
2021	717
2022	593
2023	672
2024	2,651
2025	439
2026	683

Download the Data

Data for records on 1940-01-15: 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 200	222
200 to 400	1
400 to 600	3
600 to 800	0
800 to 1000	0
1000 to 1200	0
1200 to 1400	1