Weather Records on 12 July 1977

377 weather records were set or tied worldwide on 12 July 1977. Highest significance: Vysnij Volocek, RU.

Key Facts for 12 July 1977

On 12 July 1977, 377 weather records were set or tied at long-record stations worldwide.
144 were record highs and 92 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 7 monthly and 369 daily.
Vysnij Volocek set a daily record precipitation of 48.8 mm (1.9 in) on 12 July 1977.
Across 158 earlier years (1796 to 2026) the same calendar date averaged 452 records.

Record Map

377 stations

377 station records on 12 July 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 July 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Vysnij Volocek	Russia	Record daily precipitation	48.8 mm (1.9 in)	70 of 100 (Major)
Nova Russas	Brazil	Record daily precipitation	40.0 mm (1.6 in)	67 of 100 (Major)
Clearfield	United States	Record daily precipitation	103.4 mm (4.1 in)	58 of 100 (Notable)
Carrollton	United States	Record daily precipitation	96.5 mm (3.8 in)	51 of 100 (Notable)
Boontjieskraal	South Africa	Record daily precipitation	34.5 mm (1.4 in)	49 of 100 (Notable)
Abbeville	France	Record daily precipitation	44.9 mm (1.8 in)	47 of 100 (Notable)
Lakehurst AP	United States	Record daily precipitation	103.9 mm (4.1 in)	45 of 100 (Notable)
Volnovakha	Ukraine	Record daily precipitation	45.0 mm (1.8 in)	42 of 100 (Notable)
Mt Pulaski	United States	Record daily precipitation	89.2 mm (3.5 in)	41 of 100 (Notable)
Waverly	United States	Record daily precipitation	94.0 mm (3.7 in)	40 of 100 (Notable)
Ulvhall	Sweden	Record daily precipitation	31.9 mm (1.3 in)	38 of 100 (Notable)
Newton 6 SSE	United States	Record daily precipitation	46.5 mm (1.8 in)	38 of 100 (Notable)
Bijsk Zonalnaja	Russia	Record daily precipitation	33.5 mm (1.3 in)	37 of 100 (Notable)
Owings Ferry Landing	United States	Record daily precipitation	67.6 mm (2.7 in)	37 of 100 (Notable)
Amherst	United States	Record daily precipitation	30.0 mm (1.2 in)	36 of 100 (Notable)
Sullivan	United States	Record daily precipitation	58.7 mm (2.3 in)	36 of 100 (Notable)
S Bend AP	United States	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Fredericksburg Np	United States	Record high maximum temperature	37.2 C (99.0 F)	35 of 100 (Notable)
Atoyac (Smn)	Mexico	Record low minimum temperature	20.6 C (69.1 F)	34 of 100 (Routine)
Voznesensk	Ukraine	Record daily precipitation	45.1 mm (1.8 in)	34 of 100 (Routine)
Jerseyville 2 SW	United States	Record daily precipitation	44.5 mm (1.8 in)	34 of 100 (Routine)
Live Oak	United States	Record high maximum temperature	36.7 C (98.1 F)	33 of 100 (Routine)
Arcade	United States	Record high minimum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Nikolaev	Ukraine	Record low maximum temperature	18.7 C (65.7 F)	32 of 100 (Routine)
Adelaide West Terrace	Australia	Record high maximum temperature	21.4 C (70.5 F)	31 of 100 (Routine)
Chornomorske	Ukraine	Record daily precipitation	41.6 mm (1.6 in)	31 of 100 (Routine)
Hatton 9 SE	United States	Record high minimum temperature	23.3 C (73.9 F)	31 of 100 (Routine)
Kohala Mis 175.1	United States	Record daily precipitation	36.6 mm (1.4 in)	31 of 100 (Routine)
Goldsboro 4 SE	United States	Record high minimum temperature	24.4 C (75.9 F)	31 of 100 (Routine)
Cape Vasileva	Russia	Record daily precipitation	99.1 mm (3.9 in)	30 of 100 (Routine)
Dejefors	Sweden	Record daily precipitation	29.0 mm (1.1 in)	30 of 100 (Routine)
Trenton	United States	Record daily precipitation	50.3 mm (2.0 in)	30 of 100 (Routine)
Prince Albert A	Canada	Record daily precipitation	28.3 mm (1.1 in)	29 of 100 (Routine)
Don Muang	Thailand	Record high minimum temperature	28.2 C (82.8 F)	29 of 100 (Routine)
Neosho	United States	Record high minimum temperature	25.0 C (77.0 F)	29 of 100 (Routine)
Dickinson Exp STN	United States	Record low maximum temperature	19.4 C (66.9 F)	29 of 100 (Routine)
Buckhannon	United States	Record high minimum temperature	24.4 C (75.9 F)	29 of 100 (Routine)
Ceduna AMO	Australia	Record high maximum temperature	25.3 C (77.5 F)	28 of 100 (Routine)
Chapulco	Mexico	Record high minimum temperature	16.7 C (62.1 F)	28 of 100 (Routine)
Glenwood Spgs #2	United States	Record high minimum temperature	19.4 C (66.9 F)	28 of 100 (Routine)
Martinsburg	United States	Record daily precipitation	52.8 mm (2.1 in)	28 of 100 (Routine)
Allegany Sp	United States	Record daily precipitation	37.8 mm (1.5 in)	28 of 100 (Routine)
Towner 2 NE	United States	Record low maximum temperature	18.9 C (66.0 F)	28 of 100 (Routine)
Kotzebue AP	United States	Record high maximum temperature	28.9 C (84.0 F)	28 of 100 (Routine)
Unalakleet Fld	United States	Record high maximum temperature	29.4 C (84.9 F)	27 of 100 (Routine)
Kyancutta	Australia	Record high maximum temperature	24.2 C (75.6 F)	26 of 100 (Routine)
El Carmen (Smn)	Mexico	Record low maximum temperature	27.2 C (81.0 F)	26 of 100 (Routine)
Tillabery	Niger	Record daily precipitation	43.4 mm (1.7 in)	26 of 100 (Routine)
Towson	United States	Record high minimum temperature	21.7 C (71.1 F)	26 of 100 (Routine)
Kula Sanatorium 267	United States	Record high minimum temperature	17.2 C (63.0 F)	26 of 100 (Routine)
Caucaia	Brazil	Record daily precipitation	35.0 mm (1.4 in)	25 of 100 (Routine)
Dunn Ctr 1E	United States	Record low maximum temperature	17.8 C (64.0 F)	25 of 100 (Routine)
Shippensburg	United States	Record daily precipitation	39.1 mm (1.5 in)	25 of 100 (Routine)
Carcross	Canada	Record high minimum temperature	11.7 C (53.1 F)	24 of 100 (Routine)
Ternej	Russia	Record high minimum temperature	17.1 C (62.8 F)	24 of 100 (Routine)
Ultuna	Sweden	Record daily precipitation	29.5 mm (1.2 in)	24 of 100 (Routine)
Cordes	United States	Record low maximum temperature	29.4 C (84.9 F)	23 of 100 (Routine)
Clinton #1	United States	Record high minimum temperature	25.6 C (78.1 F)	23 of 100 (Routine)
Cuitzeo	Mexico	Record high maximum temperature	30.6 C (87.1 F)	22 of 100 (Routine)
Nakanno	Russia	Record high minimum temperature	17.8 C (64.0 F)	22 of 100 (Routine)

Counts by Type and Timescale

377 records

Records set or tied on 12 July 1977 by type: Highest daily maximum 55, Lowest daily maximum 53, Highest daily minimum 89, Lowest daily minimum 39, Heaviest daily rainfall 141.

Records on 12 July 1977 by type
Record type	Records
Highest daily maximum	55
Lowest daily maximum	53
Highest daily minimum	89
Lowest daily minimum	39
Heaviest daily rainfall	141
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 July 1977 by timescale: all-time 1, monthly 7, daily 369.

How Much Records Were Beaten By

276 broken records

Margins by which the 276 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 87.4. Ties are not counted.

Top 20 by Significance

12 July 1977

Top 20 records on 12 July 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 July 1977	Vysnij Volocek, RU	daily rain	48.8 mm (1.9 in)	35.5 mm (1.4 in)	74 years	70 of 100 (Major)
12 July 1977	Nova Russas, BR	monthly rain	40.0 mm (1.6 in)	19.6 mm (0.8 in)	41 years	67 of 100 (Major)
12 July 1977	Clearfield, US	monthly rain	103.4 mm (4.1 in)	29.7 mm (1.2 in)	51 years	58 of 100 (Notable)
12 July 1977	Carrollton, US	monthly rain	96.5 mm (3.8 in)	15.7 mm (0.6 in)	76 years	51 of 100 (Notable)
12 July 1977	Boontjieskraal, ZA	daily rain	34.5 mm (1.4 in)	24.6 mm (1.0 in)	30 years	49 of 100 (Notable)
12 July 1977	Abbeville, FR	daily rain	44.9 mm (1.8 in)	26.5 mm (1.0 in)	16 years	47 of 100 (Notable)
12 July 1977	Lakehurst AP, US	daily rain	103.9 mm (4.1 in)	87.4 mm (3.4 in)	8 years	45 of 100 (Notable)
12 July 1977	Volnovakha, UA	daily rain	45.0 mm (1.8 in)	28.1 mm (1.1 in)	28 years	42 of 100 (Notable)
12 July 1977	Mt Pulaski, US	monthly rain	89.2 mm (3.5 in)	0.3 mm (0.01 in)	77 years	41 of 100 (Notable)
12 July 1977	Waverly, US	daily rain	94.0 mm (3.7 in)	31.0 mm (1.2 in)	62 years	40 of 100 (Notable)
12 July 1977	Ulvhall, SE	daily rain	31.9 mm (1.3 in)	17.7 mm (0.7 in)	23 years	38 of 100 (Notable)
12 July 1977	Newton 6 SSE, US	daily rain	46.5 mm (1.8 in)	27.4 mm (1.1 in)	40 years	38 of 100 (Notable)
12 July 1977	Bijsk Zonalnaja, RU	daily rain	33.5 mm (1.3 in)	19.9 mm (0.8 in)	16 years	37 of 100 (Notable)
12 July 1977	Owings Ferry Landing, US	daily rain	67.6 mm (2.7 in)	36.4 mm (1.4 in)	28 years	37 of 100 (Notable)
12 July 1977	Amherst, US	daily rain	30.0 mm (1.2 in)	6.9 mm (0.27 in)	77 years	36 of 100 (Notable)
12 July 1977	Sullivan, US	daily rain	58.7 mm (2.3 in)	42.2 mm (1.7 in)	12 years	36 of 100 (Notable)
12 July 1977	S Bend AP, US	daily rain	27.9 mm (1.1 in)	17.2 mm (0.7 in)	48 years	36 of 100 (Notable)
12 July 1977	Fredericksburg Np, US	daily high max	37.2 C (99.0 F)	1.1 C (2.0 F)	82 years	35 of 100 (Notable)
12 July 1977	Atoyac (Smn), MX	daily low min	20.6 C (69.1 F)	2.2 C (4.0 F)	54 years	34 of 100 (Routine)
12 July 1977	Voznesensk, UA	daily rain	45.1 mm (1.8 in)	26.1 mm (1.0 in)	12 years	34 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 1977

Records set or tied on this calendar date in each year from 1796 to 1977. 1977 had 377 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 1977-07-12: 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 20	257
20 to 40	16
40 to 60	2
60 to 80	0
80 to 100	1