Weather Records on 12 July 1940

623 weather records were set or tied worldwide on 12 July 1940. Highest significance: St. Petersburg, RU.

Key Facts for 12 July 1940

On 12 July 1940, 623 weather records were set or tied at long-record stations worldwide.
116 were record highs and 376 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 7 monthly and 614 daily.
St. Petersburg set a daily record precipitation of 47.2 mm (1.9 in) on 12 July 1940.
Across 158 earlier years (1796 to 2026) the same calendar date averaged 451 records.

Record Map

623 stations

623 station records on 12 July 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 July 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
St. Petersburg	Russia	Record daily precipitation	47.2 mm (1.9 in)	50 of 100 (Notable)
Galway	Ireland	Record low minimum temperature	-1.1 C (30.0 F)	39 of 100 (Notable)
Varberg	Sweden	Record daily precipitation	32.5 mm (1.3 in)	38 of 100 (Notable)
Simcoe	Canada	Record low maximum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Waxahachie	United States	Record daily precipitation	50.0 mm (2.0 in)	34 of 100 (Routine)
Rome	United States	Record daily precipitation	31.8 mm (1.3 in)	32 of 100 (Routine)
Chendipada	India	Record daily precipitation	133.9 mm (5.3 in)	30 of 100 (Routine)
Kaufman 3 SE	United States	Record daily precipitation	47.0 mm (1.9 in)	30 of 100 (Routine)
Llano	United States	Record daily precipitation	50.8 mm (2.0 in)	30 of 100 (Routine)
Cuttack	India	Record daily precipitation	143.5 mm (5.6 in)	29 of 100 (Routine)
Madison	United States	Record daily precipitation	49.0 mm (1.9 in)	29 of 100 (Routine)
Hennessey 4 ESE	United States	Record daily precipitation	52.6 mm (2.1 in)	29 of 100 (Routine)
Pelee Island	Canada	Record low minimum temperature	12.8 C (55.0 F)	28 of 100 (Routine)
Lampasas	United States	Record daily precipitation	37.6 mm (1.5 in)	28 of 100 (Routine)
Bardstown	United States	Record daily precipitation	39.4 mm (1.6 in)	27 of 100 (Routine)
Columbia Falls 5 SW	United States	Record high maximum temperature	40.0 C (104.0 F)	27 of 100 (Routine)
Bridgeport	United States	Record daily precipitation	40.4 mm (1.6 in)	27 of 100 (Routine)
Big Creek	Canada	Record daily precipitation	25.9 mm (1.0 in)	26 of 100 (Routine)
Stuttgart-Stadt	Germany	Record daily precipitation	40.0 mm (1.6 in)	26 of 100 (Routine)
Ueckermunde	Germany	Record daily precipitation	30.5 mm (1.2 in)	26 of 100 (Routine)
Bloomington Indiana UNIV	United States	Record low maximum temperature	22.2 C (72.0 F)	26 of 100 (Routine)
Fayette	United States	Record low maximum temperature	19.4 C (66.9 F)	26 of 100 (Routine)
Belvidere	United States	Record low maximum temperature	21.1 C (70.0 F)	26 of 100 (Routine)
Durham	United States	Record daily precipitation	36.6 mm (1.4 in)	25 of 100 (Routine)
Carmel	United States	Record low maximum temperature	15.6 C (60.1 F)	25 of 100 (Routine)
Ithaca Cornell UNIV	United States	Record low maximum temperature	17.8 C (64.0 F)	25 of 100 (Routine)
Oconto 4 W	United States	Record low minimum temperature	6.1 C (43.0 F)	25 of 100 (Routine)
Alice Springs Post Office	Australia	Record low minimum temperature	-4.0 C (24.8 F)	24 of 100 (Routine)
Ponnani	India	Record daily precipitation	77.7 mm (3.1 in)	24 of 100 (Routine)
Korba	India	Record daily precipitation	76.7 mm (3.0 in)	24 of 100 (Routine)
Visby_Flygplats	Sweden	Record high maximum temperature	28.0 C (82.4 F)	24 of 100 (Routine)
Paoli	United States	Record low maximum temperature	21.7 C (71.1 F)	24 of 100 (Routine)
Richmond Wtr Wks	United States	Record low maximum temperature	18.3 C (64.9 F)	24 of 100 (Routine)
Anchorage	United States	Record low maximum temperature	21.1 C (70.0 F)	24 of 100 (Routine)
Winnebago	United States	Record low maximum temperature	18.9 C (66.0 F)	24 of 100 (Routine)
Moorestown 4 E	United States	Record low maximum temperature	20.6 C (69.1 F)	24 of 100 (Routine)
Marion	United States	Record daily precipitation	41.4 mm (1.6 in)	24 of 100 (Routine)
Wooster Exp STN	United States	Record low maximum temperature	19.4 C (66.9 F)	24 of 100 (Routine)
Huntingdon	United States	Record low maximum temperature	21.1 C (70.0 F)	24 of 100 (Routine)
Johnstown	United States	Record low maximum temperature	21.1 C (70.0 F)	24 of 100 (Routine)
Wichita Falls Muni AP	United States	Record daily precipitation	41.7 mm (1.6 in)	24 of 100 (Routine)
Dubuque River	United States	Record low maximum temperature	22.2 C (72.0 F)	24 of 100 (Routine)
Clontarf	Canada	Record low minimum temperature	3.3 C (37.9 F)	23 of 100 (Routine)
Ilulissat (Jakobshavn)	Greenland [Denmark]	Record high maximum temperature	17.8 C (64.0 F)	23 of 100 (Routine)
Angermunde	Germany	Record daily precipitation	42.7 mm (1.7 in)	23 of 100 (Routine)
Koraput	India	Record daily precipitation	69.9 mm (2.8 in)	23 of 100 (Routine)
Umea	Sweden	Record high maximum temperature	28.0 C (82.4 F)	23 of 100 (Routine)
Crescent City 3 NNW	United States	Record high minimum temperature	15.6 C (60.1 F)	23 of 100 (Routine)
Middlesboro Fire Dept	United States	Record low maximum temperature	22.2 C (72.0 F)	23 of 100 (Routine)
S Haven	United States	Record low minimum temperature	6.1 C (43.0 F)	23 of 100 (Routine)
Sandy Lake Dam Libby	United States	Record low minimum temperature	3.9 C (39.0 F)	23 of 100 (Routine)
Brockport	United States	Record low maximum temperature	18.9 C (66.0 F)	23 of 100 (Routine)
Gloversville	United States	Record low maximum temperature	18.9 C (66.0 F)	23 of 100 (Routine)
Hemlock	United States	Record low maximum temperature	18.3 C (64.9 F)	23 of 100 (Routine)
Cambridge St Hospital	United States	Record low maximum temperature	19.4 C (66.9 F)	23 of 100 (Routine)
Ada	United States	Record daily precipitation	44.5 mm (1.8 in)	23 of 100 (Routine)
Mather 3 NW	United States	Record low maximum temperature	17.2 C (63.0 F)	23 of 100 (Routine)
Newark Liberty Intl AP	United States	Record low maximum temperature	21.1 C (70.0 F)	23 of 100 (Routine)
Rutherglen	Canada	Record low minimum temperature	0.0 C (32.0 F)	22 of 100 (Routine)
Port Dover	Canada	Record low maximum temperature	20.6 C (69.1 F)	22 of 100 (Routine)

Counts by Type and Timescale

623 records

Records set or tied on 12 July 1940 by type: Highest daily maximum 73, Lowest daily maximum 293, Highest daily minimum 43, Lowest daily minimum 83, Heaviest daily rainfall 131.

Records on 12 July 1940 by type
Record type	Records
Highest daily maximum	73
Lowest daily maximum	293
Highest daily minimum	43
Lowest daily minimum	83
Heaviest daily rainfall	131
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 July 1940 by timescale: all-time 2, monthly 7, daily 614.

How Much Records Were Beaten By

502 broken records

Margins by which the 502 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 55.1. Ties are not counted.

Top 20 by Significance

12 July 1940

Top 20 records on 12 July 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 July 1940	St. Petersburg, RU	daily rain	47.2 mm (1.9 in)	29.7 mm (1.2 in)	15 years	50 of 100 (Notable)
12 July 1940	Galway, IE	monthly low min	-1.1 C (30.0 F)	4.4 C (7.9 F)	11 years	39 of 100 (Notable)
12 July 1940	Varberg, SE	daily rain	32.5 mm (1.3 in)	15.4 mm (0.6 in)	44 years	38 of 100 (Notable)
12 July 1940	Simcoe, CA	daily low max	20.0 C (68.0 F)	2.2 C (4.0 F)	72 years	34 of 100 (Routine)
12 July 1940	Waxahachie, US	daily rain	50.0 mm (2.0 in)	37.3 mm (1.5 in)	19 years	34 of 100 (Routine)
12 July 1940	Rome, US	daily rain	31.8 mm (1.3 in)	22.1 mm (0.9 in)	43 years	32 of 100 (Routine)
12 July 1940	Chendipada, IN	daily rain	133.9 mm (5.3 in)	45.0 mm (1.8 in)	21 years	30 of 100 (Routine)
12 July 1940	Kaufman 3 SE, US	daily rain	47.0 mm (1.9 in)	25.4 mm (1.0 in)	38 years	30 of 100 (Routine)
12 July 1940	Llano, US	daily rain	50.8 mm (2.0 in)	29.2 mm (1.1 in)	38 years	30 of 100 (Routine)
12 July 1940	Cuttack, IN	daily rain	143.5 mm (5.6 in)	55.1 mm (2.2 in)	15 years	29 of 100 (Routine)
12 July 1940	Madison, US	daily rain	49.0 mm (1.9 in)	22.3 mm (0.9 in)	36 years	29 of 100 (Routine)
12 July 1940	Hennessey 4 ESE, US	daily rain	52.6 mm (2.1 in)	29.5 mm (1.2 in)	20 years	29 of 100 (Routine)
12 July 1940	Pelee Island, CA	daily low min	12.8 C (55.0 F)	2.8 C (5.0 F)	47 years	28 of 100 (Routine)
12 July 1940	Lampasas, US	daily rain	37.6 mm (1.5 in)	19.1 mm (0.8 in)	38 years	28 of 100 (Routine)
12 July 1940	Bardstown, US	daily rain	39.4 mm (1.6 in)	17.0 mm (0.7 in)	30 years	27 of 100 (Routine)
12 July 1940	Columbia Falls 5 SW, US	all-time high max	40.0 C (104.0 F)	0.6 C (1.1 F)	9 years	27 of 100 (Routine)
12 July 1940	Bridgeport, US	daily rain	40.4 mm (1.6 in)	37.6 mm (1.5 in)	22 years	27 of 100 (Routine)
12 July 1940	Big Creek, CA	monthly rain	25.9 mm (1.0 in)	1.3 mm (0.05 in)	33 years	26 of 100 (Routine)
12 July 1940	Stuttgart-Stadt, DE	daily rain	40.0 mm (1.6 in)	9.2 mm (0.36 in)	34 years	26 of 100 (Routine)
12 July 1940	Ueckermunde, DE	daily rain	30.5 mm (1.2 in)	16.1 mm (0.6 in)	2 years	26 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

1796 to 1940

Records set or tied on this calendar date in each year from 1796 to 1940. 1940 had 623 records.

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

Records on 07-12 in each year
Year	Records
1796	1
1816	1
1821	2
1841	1
1847	2
1848	2
1850	3
1851	1
1858	1
1860	2
1866	1
1870	2
1873	1
1874	2
1875	1
1876	2
1879	1
1880	2
1882	1
1886	4
1887	1
1888	4
1889	1
1890	4
1891	3
1892	2
1893	1
1894	4
1895	7
1896	3
1897	2
1898	1
1900	2
1901	5
1902	2
1903	11
1904	13
1905	28
1906	22
1907	19
1908	46
1909	24
1910	12
1911	93
1912	19
1913	20
1914	57
1915	16
1916	39
1917	163
1918	99
1919	56
1920	37
1921	94
1922	42
1923	85
1924	68
1925	231
1926	272
1927	84
1928	79
1929	137
1930	561
1931	309
1932	305
1933	609
1934	348
1935	379
1936	1,082
1937	353
1938	257
1939	509
1940	623
1941	796
1942	363
1943	421
1944	446
1945	1,118
1946	234
1947	319
1948	379
1949	357
1950	485
1951	765
1952	680
1953	688
1954	907
1955	263
1956	474
1957	381
1958	434
1959	459
1960	466
1961	606
1962	447
1963	418
1964	898
1965	457
1966	614
1967	502
1968	466
1969	745
1970	298
1971	538
1972	716
1973	633
1974	617
1975	1,321
1976	812
1977	377
1978	635
1979	555
1980	998
1981	645
1982	526
1983	955
1984	871
1985	558
1986	1,015
1987	1,189
1988	961
1989	559
1990	1,489
1991	1,028
1992	1,167
1993	1,443
1994	904
1995	1,070
1996	964
1997	800
1998	1,244
1999	1,397
2000	796
2001	856
2002	1,537
2003	910
2004	799
2005	1,068
2006	1,038
2007	749
2008	719
2009	707
2010	1,450
2011	1,468
2012	979
2013	570
2014	437
2015	618
2016	740
2017	586
2018	398
2019	598
2020	875
2021	830
2022	507
2023	839
2024	968
2025	567
2026	1,100

Download the Data

Data for records on 1940-07-12: 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 10	449
10 to 20	33
20 to 30	11
30 to 40	5
40 to 50	3
50 to 60	1