Weather Records on 12 July 1979

555 weather records were set or tied worldwide on 12 July 1979. Highest significance: Wentworth 2.5 WNW, US.

Key Facts for 12 July 1979

On 12 July 1979, 555 weather records were set or tied at long-record stations worldwide.
153 were record highs and 179 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 22 monthly and 532 daily.
Wentworth 2.5 WNW set a daily record precipitation of 66.8 mm (2.6 in) on 12 July 1979.
Across 158 earlier years (1796 to 2026) the same calendar date averaged 451 records.

Record Map

555 stations

555 station records on 12 July 1979 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 July 1979: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wentworth 2.5 WNW	United States	Record daily precipitation	66.8 mm (2.6 in)	59 of 100 (Notable)
Monticello	United States	Record daily precipitation	97.5 mm (3.8 in)	56 of 100 (Notable)
St Marks 5 SSE	United States	Record daily precipitation	91.7 mm (3.6 in)	55 of 100 (Notable)
Washington 1 W	United States	Record daily precipitation	66.3 mm (2.6 in)	54 of 100 (Notable)
1 WSW Princeton	United States	Record daily precipitation	72.9 mm (2.9 in)	53 of 100 (Notable)
White Oak 2 N	United States	Record daily precipitation	71.1 mm (2.8 in)	52 of 100 (Notable)
Chatillon-Sur-Seine	France	Record daily precipitation	26.0 mm (1.0 in)	49 of 100 (Notable)
Mainz-Lerchenberg (Zdf)	Germany	Record daily precipitation	28.3 mm (1.1 in)	49 of 100 (Notable)
Canton 4N	United States	Record daily precipitation	80.8 mm (3.2 in)	49 of 100 (Notable)
Kosciusko	United States	Record daily precipitation	101.6 mm (4.0 in)	48 of 100 (Notable)
Nordmaling	Sweden	Record daily precipitation	27.1 mm (1.1 in)	47 of 100 (Notable)
Imeny_T.G.Shevchenko	Ukraine	Record daily precipitation	72.2 mm (2.8 in)	46 of 100 (Notable)
Overum	Sweden	Record daily precipitation	39.0 mm (1.5 in)	45 of 100 (Notable)
Catemaco	Mexico	Record low minimum temperature	13.9 C (57.0 F)	44 of 100 (Notable)
Lubny	Ukraine	Record daily precipitation	31.8 mm (1.3 in)	44 of 100 (Notable)
Quitman 2 NW	United States	Record daily precipitation	62.2 mm (2.4 in)	44 of 100 (Notable)
Brookhaven City	United States	Record low maximum temperature	22.2 C (72.0 F)	44 of 100 (Notable)
Goshen Springs 3 NW	United States	Record daily precipitation	88.9 mm (3.5 in)	44 of 100 (Notable)
Okolona	United States	Record daily precipitation	61.0 mm (2.4 in)	44 of 100 (Notable)
Bad Ems	Germany	Record daily precipitation	40.2 mm (1.6 in)	43 of 100 (Notable)
Duncan	United States	Record low minimum temperature	8.3 C (46.9 F)	43 of 100 (Notable)
Aughrabies	South Africa	Record daily precipitation	33.0 mm (1.3 in)	42 of 100 (Notable)
Malilla	Sweden	Record daily precipitation	31.0 mm (1.2 in)	42 of 100 (Notable)
Calhoun City	United States	Record daily precipitation	74.7 mm (2.9 in)	42 of 100 (Notable)
Wrigley A	Canada	Record daily precipitation	27.4 mm (1.1 in)	41 of 100 (Notable)
Amite	United States	Record daily precipitation	76.7 mm (3.0 in)	41 of 100 (Notable)
Atengo (Smn)	Mexico	Record daily precipitation	97.8 mm (3.9 in)	40 of 100 (Notable)
Debaltseve	Ukraine	Record daily precipitation	43.5 mm (1.7 in)	40 of 100 (Notable)
Greenwood	United States	Record daily precipitation	79.2 mm (3.1 in)	40 of 100 (Notable)
Cordele	United States	Record low maximum temperature	27.2 C (81.0 F)	39 of 100 (Notable)
Ackerman	United States	Record daily precipitation	86.1 mm (3.4 in)	39 of 100 (Notable)
De Funiak Springs 1 E	United States	Record daily precipitation	87.6 mm (3.4 in)	38 of 100 (Notable)
Palestine	United States	Record daily precipitation	68.6 mm (2.7 in)	38 of 100 (Notable)
Houston	United States	Record daily precipitation	84.6 mm (3.3 in)	38 of 100 (Notable)
Forestburg 4 NNE	United States	Record daily precipitation	44.2 mm (1.7 in)	38 of 100 (Notable)
Savannah 6 SW	United States	Record low maximum temperature	24.4 C (75.9 F)	38 of 100 (Notable)
Evergreen	United States	Record low maximum temperature	27.2 C (81.0 F)	37 of 100 (Notable)
Scottsboro	United States	Record low maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Mio Hydro Plt	United States	Record daily precipitation	37.3 mm (1.5 in)	36 of 100 (Notable)
Coffeeville	United States	Record daily precipitation	63.5 mm (2.5 in)	36 of 100 (Notable)
Pelahatchie	United States	Record daily precipitation	84.6 mm (3.3 in)	36 of 100 (Notable)
Bowling Green Warren Co AP	United States	Record low maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Ft Ross	United States	Record high maximum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
Vevay	United States	Record daily precipitation	47.2 mm (1.9 in)	35 of 100 (Notable)
Verhne-Markovo	Russia	Record daily precipitation	27.3 mm (1.1 in)	34 of 100 (Routine)
Sonoma	United States	Record high minimum temperature	14.4 C (57.9 F)	34 of 100 (Routine)
Everglades	United States	Record high minimum temperature	27.2 C (81.0 F)	34 of 100 (Routine)
D'Lo 2 SW	United States	Record daily precipitation	79.2 mm (3.1 in)	34 of 100 (Routine)
Van Vleet	United States	Record daily precipitation	70.1 mm (2.8 in)	34 of 100 (Routine)
Candelaria (Smn)	Mexico	Record daily precipitation	72.9 mm (2.9 in)	33 of 100 (Routine)
Batesville	United States	Record daily precipitation	57.9 mm (2.3 in)	33 of 100 (Routine)
Dancy	United States	Record daily precipitation	90.2 mm (3.6 in)	33 of 100 (Routine)
Port Gibson 1 NE	United States	Record daily precipitation	96.5 mm (3.8 in)	33 of 100 (Routine)
Water Valley	United States	Record daily precipitation	57.2 mm (2.3 in)	33 of 100 (Routine)
Moffit 3 SE	United States	Record daily precipitation	41.9 mm (1.6 in)	33 of 100 (Routine)
Carlisle	United States	Record high minimum temperature	25.6 C (78.1 F)	33 of 100 (Routine)
1 WSW Princeton	United States	Record low maximum temperature	23.3 C (73.9 F)	32 of 100 (Routine)
Charleston	United States	Record daily precipitation	57.9 mm (2.3 in)	32 of 100 (Routine)
Grenada	United States	Record daily precipitation	66.8 mm (2.6 in)	32 of 100 (Routine)
Lambert 1W	United States	Record daily precipitation	53.3 mm (2.1 in)	32 of 100 (Routine)

Counts by Type and Timescale

555 records

Records set or tied on 12 July 1979 by type: Highest daily maximum 70, Lowest daily maximum 110, Highest daily minimum 83, Lowest daily minimum 69, Heaviest daily rainfall 223.

Records on 12 July 1979 by type
Record type	Records
Highest daily maximum	70
Lowest daily maximum	110
Highest daily minimum	83
Lowest daily minimum	69
Heaviest daily rainfall	223
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 July 1979 by timescale: all-time 1, monthly 22, daily 532.

How Much Records Were Beaten By

434 broken records

Margins by which the 434 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 73.2. Ties are not counted.

Top 20 by Significance

12 July 1979

Top 20 records on 12 July 1979 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 July 1979	Wentworth 2.5 WNW, US	daily rain	66.8 mm (2.6 in)	38.9 mm (1.5 in)	70 years	59 of 100 (Notable)
12 July 1979	Monticello, US	daily rain	97.5 mm (3.8 in)	58.6 mm (2.3 in)	30 years	56 of 100 (Notable)
12 July 1979	St Marks 5 SSE, US	daily rain	91.7 mm (3.6 in)	60.5 mm (2.4 in)	68 years	55 of 100 (Notable)
12 July 1979	Washington 1 W, US	daily rain	66.3 mm (2.6 in)	46.5 mm (1.8 in)	38 years	54 of 100 (Notable)
12 July 1979	1 WSW Princeton, US	daily rain	72.9 mm (2.9 in)	33.5 mm (1.3 in)	73 years	53 of 100 (Notable)
12 July 1979	White Oak 2 N, US	daily rain	71.1 mm (2.8 in)	49.8 mm (2.0 in)	38 years	52 of 100 (Notable)
12 July 1979	Chatillon-Sur-Seine, FR	daily rain	26.0 mm (1.0 in)	10.5 mm (0.4 in)	83 years	49 of 100 (Notable)
12 July 1979	Mainz-Lerchenberg (Zdf), DE	daily rain	28.3 mm (1.1 in)	20.7 mm (0.8 in)	25 years	49 of 100 (Notable)
12 July 1979	Canton 4N, US	daily rain	80.8 mm (3.2 in)	35.3 mm (1.4 in)	62 years	49 of 100 (Notable)
12 July 1979	Kosciusko, US	daily rain	101.6 mm (4.0 in)	73.2 mm (2.9 in)	1 year	48 of 100 (Notable)
12 July 1979	Nordmaling, SE	daily rain	27.1 mm (1.1 in)	21.4 mm (0.8 in)	26 years	47 of 100 (Notable)
12 July 1979	Imeny_T.G.Shevchenko, UA	daily rain	72.2 mm (2.8 in)	57.6 mm (2.3 in)	9 years	46 of 100 (Notable)
12 July 1979	Overum, SE	daily rain	39.0 mm (1.5 in)	24.5 mm (1.0 in)	24 years	45 of 100 (Notable)
12 July 1979	Catemaco, MX	daily low min	13.9 C (57.0 F)	5.0 C (9.0 F)	5 years	44 of 100 (Notable)
12 July 1979	Lubny, UA	daily rain	31.8 mm (1.3 in)	24.1 mm (0.9 in)	40 years	44 of 100 (Notable)
12 July 1979	Quitman 2 NW, US	daily rain	62.2 mm (2.4 in)	21.1 mm (0.8 in)	76 years	44 of 100 (Notable)
12 July 1979	Brookhaven City, US	daily low max	22.2 C (72.0 F)	3.9 C (7.0 F)	72 years	44 of 100 (Notable)
12 July 1979	Goshen Springs 3 NW, US	daily rain	88.9 mm (3.5 in)	68.1 mm (2.7 in)	14 years	44 of 100 (Notable)
12 July 1979	Okolona, US	daily rain	61.0 mm (2.4 in)	26.5 mm (1.0 in)	66 years	44 of 100 (Notable)
12 July 1979	Bad Ems, DE	daily rain	40.2 mm (1.6 in)	26.4 mm (1.0 in)	0 years	43 of 100 (Notable)

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 1979

Records set or tied on this calendar date in each year from 1796 to 1979. 1979 had 555 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 1979-07-12: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	342
10 to 20	35
20 to 30	28
30 to 40	13
40 to 50	7
50 to 60	6
60 to 70	2
70 to 80	1