Weather Records on 4 July 2018

653 weather records were set or tied worldwide on 4 July 2018. Highest significance: Houston William P Hobby AP, US.

Key Facts for 4 July 2018

On 4 July 2018, 653 weather records were set or tied at long-record stations worldwide.
434 were record highs and 113 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 10 monthly and 637 daily.
Houston William P Hobby AP set a daily record precipitation of 152.4 mm (6.0 in) on 4 July 2018.
Across 163 earlier years (1806 to 2026) the same calendar date averaged 421 records.

Record Map

653 stations

653 station records on 4 July 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 July 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Houston William P Hobby AP	United States	Record daily precipitation	152.4 mm (6.0 in)	63 of 100 (Major)
San Andres (Isla)/S	Colombia	Record daily precipitation	143.0 mm (5.6 in)	60 of 100 (Major)
Hyvinkaa Hyvinkaankyla	Finland	Record daily precipitation	47.7 mm (1.9 in)	56 of 100 (Notable)
Conroe	United States	Record daily precipitation	52.1 mm (2.1 in)	50 of 100 (Notable)
Jaransk	Russia	Record daily precipitation	52.9 mm (2.1 in)	47 of 100 (Notable)
Washta	United States	Record high minimum temperature	23.9 C (75.0 F)	46 of 100 (Notable)
Rockefeller Wl Refuge	United States	Record daily precipitation	131.6 mm (5.2 in)	46 of 100 (Notable)
Houston Intercontinental AP	United States	Record daily precipitation	106.4 mm (4.2 in)	46 of 100 (Notable)
Laghouat	Algeria	Record high minimum temperature	28.6 C (83.5 F)	45 of 100 (Notable)
Orenburg	Russia	Record high minimum temperature	24.5 C (76.1 F)	45 of 100 (Notable)
Glenwood Spgs #2	United States	Record high minimum temperature	17.8 C (64.0 F)	45 of 100 (Notable)
Jefferson 2 E	United States	Record high maximum temperature	32.2 C (90.0 F)	45 of 100 (Notable)
Velikij_Ustjug	Russia	Record daily precipitation	33.2 mm (1.3 in)	43 of 100 (Notable)
Selinsgrove 2 S	United States	Record high minimum temperature	22.8 C (73.0 F)	43 of 100 (Notable)
Abashiri	Japan	Record daily precipitation	32.0 mm (1.3 in)	42 of 100 (Notable)
Tower 2S	United States	Record high minimum temperature	18.9 C (66.0 F)	42 of 100 (Notable)
Ft Benton	United States	Record low maximum temperature	17.8 C (64.0 F)	42 of 100 (Notable)
Aleksandrovskij Zav	Russia	Record daily precipitation	35.1 mm (1.4 in)	41 of 100 (Notable)
Searcy	United States	Record high minimum temperature	25.0 C (77.0 F)	41 of 100 (Notable)
Stevensville 2SW	United States	Record high maximum temperature	36.7 C (98.1 F)	41 of 100 (Notable)
Dwtn Charleston	United States	Record daily precipitation	59.4 mm (2.3 in)	41 of 100 (Notable)
Mudanjiang	China	Record daily precipitation	49.5 mm (1.9 in)	40 of 100 (Notable)
Koigorodok	Russia	Record daily precipitation	42.1 mm (1.7 in)	40 of 100 (Notable)
Divnoe	Russia	Record daily precipitation	99.1 mm (3.9 in)	40 of 100 (Notable)
Ft Hall 1 NNE	United States	Record low minimum temperature	2.2 C (36.0 F)	40 of 100 (Notable)
Niles	United States	Record daily precipitation	38.4 mm (1.5 in)	40 of 100 (Notable)
Bad Durkheim	Germany	Record daily precipitation	28.9 mm (1.1 in)	39 of 100 (Notable)
Murray	United States	Record high minimum temperature	25.0 C (77.0 F)	39 of 100 (Notable)
Marion	United States	Record high minimum temperature	22.2 C (72.0 F)	39 of 100 (Notable)
Laghouat	Algeria	Record high maximum temperature	44.7 C (112.5 F)	38 of 100 (Notable)
Urjupino	Russia	Record daily precipitation	54.9 mm (2.2 in)	38 of 100 (Notable)
Anselmo 2 WSW	United States	Record high minimum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Temir	Kazakhstan	Record high minimum temperature	25.9 C (78.6 F)	37 of 100 (Notable)
Carbondale Sewage Plt	United States	Record high minimum temperature	24.4 C (75.9 F)	37 of 100 (Notable)
Choteau	United States	Record low minimum temperature	2.2 C (36.0 F)	37 of 100 (Notable)
Del Norte 3ENE	United States	Record high maximum temperature	31.1 C (88.0 F)	36 of 100 (Notable)
Butte	United States	Record high minimum temperature	25.0 C (77.0 F)	36 of 100 (Notable)
Mandan Exp STN	United States	Record daily precipitation	25.4 mm (1.0 in)	36 of 100 (Notable)
New Salem 5NW	United States	Record daily precipitation	50.3 mm (2.0 in)	36 of 100 (Notable)
Elm Springs 3 ESE	United States	Record daily precipitation	26.7 mm (1.1 in)	36 of 100 (Notable)
Tbilisi	Georgia	Record high maximum temperature	40.5 C (104.9 F)	35 of 100 (Notable)
Groznyj	Russia	Record high minimum temperature	26.0 C (78.8 F)	35 of 100 (Notable)
Polebridge	United States	Record low maximum temperature	12.8 C (55.0 F)	35 of 100 (Notable)
Town Bluff Dam	United States	Record daily precipitation	55.9 mm (2.2 in)	35 of 100 (Notable)
Ganca	Azerbaijan	Record high maximum temperature	40.2 C (104.4 F)	34 of 100 (Routine)
Ak-Bulak	Russia	Record high minimum temperature	26.4 C (79.5 F)	34 of 100 (Routine)
Monterey	United States	Record high minimum temperature	23.3 C (73.9 F)	34 of 100 (Routine)
Homer AP	United States	Record high maximum temperature	21.7 C (71.1 F)	34 of 100 (Routine)
Sarh	Chad	Record low minimum temperature	14.5 C (58.1 F)	33 of 100 (Routine)
Connaught	Ireland	Record high maximum temperature	25.1 C (77.2 F)	33 of 100 (Routine)
Mc Laughlin 2SW	United States	Record daily precipitation	50.3 mm (2.0 in)	33 of 100 (Routine)
Zakatala	Azerbaijan	Record high maximum temperature	39.2 C (102.6 F)	32 of 100 (Routine)
Rumoi	Japan	Record daily precipitation	27.9 mm (1.1 in)	32 of 100 (Routine)
Esengyly	Turkmenistan	Record high minimum temperature	26.8 C (80.2 F)	32 of 100 (Routine)
Lsu Ben-Hur Farm	United States	Record low maximum temperature	28.3 C (82.9 F)	32 of 100 (Routine)
Ville Platte	United States	Record daily precipitation	68.6 mm (2.7 in)	32 of 100 (Routine)
Bor	Russia	Record low maximum temperature	14.8 C (58.6 F)	31 of 100 (Routine)
Portland Jetport	United States	Record high maximum temperature	33.9 C (93.0 F)	31 of 100 (Routine)
Victoria Dam	Australia	Record daily precipitation	42.6 mm (1.7 in)	30 of 100 (Routine)
Ridgway	United States	Record high minimum temperature	20.0 C (68.0 F)	30 of 100 (Routine)

Counts by Type and Timescale

653 records

Records set or tied on 4 July 2018 by type: Highest daily maximum 178, Lowest daily maximum 33, Highest daily minimum 256, Lowest daily minimum 80, Heaviest daily rainfall 106.

Records on 4 July 2018 by type
Record type	Records
Highest daily maximum	178
Lowest daily maximum	33
Highest daily minimum	256
Lowest daily minimum	80
Heaviest daily rainfall	106
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 4 July 2018 by timescale: all-time 6, monthly 10, daily 637.

How Much Records Were Beaten By

454 broken records

Margins by which the 454 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 124.0. Ties are not counted.

Top 20 by Significance

4 July 2018

Top 20 records on 4 July 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 July 2018	Houston William P Hobby AP, US	daily rain	152.4 mm (6.0 in)	115.3 mm (4.5 in)	51 years	63 of 100 (Major)
4 July 2018	San Andres (Isla)/S, CO	daily rain	143.0 mm (5.6 in)	124.0 mm (4.9 in)	51 years	60 of 100 (Major)
4 July 2018	Hyvinkaa Hyvinkaankyla, FI	daily rain	47.7 mm (1.9 in)	27.7 mm (1.1 in)	36 years	56 of 100 (Notable)
4 July 2018	Conroe, US	daily rain	52.1 mm (2.1 in)	27.5 mm (1.1 in)	81 years	50 of 100 (Notable)
4 July 2018	Jaransk, RU	daily rain	52.9 mm (2.1 in)	20.3 mm (0.8 in)	47 years	47 of 100 (Notable)
4 July 2018	Washta, US	daily high min	23.9 C (75.0 F)	2.8 C (5.0 F)	107 years	46 of 100 (Notable)
4 July 2018	Rockefeller Wl Refuge, US	daily rain	131.6 mm (5.2 in)	63.3 mm (2.5 in)	32 years	46 of 100 (Notable)
4 July 2018	Houston Intercontinental AP, US	daily rain	106.4 mm (4.2 in)	94.2 mm (3.7 in)	4 years	46 of 100 (Notable)
4 July 2018	Laghouat, DZ	daily high min	28.6 C (83.5 F)	1.6 C (2.9 F)	101 years	45 of 100 (Notable)
4 July 2018	Orenburg, RU	daily high min	24.5 C (76.1 F)	1.8 C (3.2 F)	116 years	45 of 100 (Notable)
4 July 2018	Glenwood Spgs #2, US	daily high min	17.8 C (64.0 F)	1.7 C (3.1 F)	123 years	45 of 100 (Notable)
4 July 2018	Jefferson 2 E, US	daily high max	32.2 C (90.0 F)	1.6 C (2.9 F)	112 years	45 of 100 (Notable)
4 July 2018	Velikij_Ustjug, RU	daily rain	33.2 mm (1.3 in)	21.1 mm (0.8 in)	20 years	43 of 100 (Notable)
4 July 2018	Selinsgrove 2 S, US	daily high min	22.8 C (73.0 F)	1.1 C (2.0 F)	117 years	43 of 100 (Notable)
4 July 2018	Abashiri, JP	daily rain	32.0 mm (1.3 in)	20.5 mm (0.8 in)	43 years	42 of 100 (Notable)
4 July 2018	Tower 2S, US	daily high min	18.9 C (66.0 F)	1.1 C (2.0 F)	122 years	42 of 100 (Notable)
4 July 2018	Ft Benton, US	daily low max	17.8 C (64.0 F)	1.1 C (2.0 F)	116 years	42 of 100 (Notable)
4 July 2018	Aleksandrovskij Zav, RU	daily rain	35.1 mm (1.4 in)	15.6 mm (0.6 in)	57 years	41 of 100 (Notable)
4 July 2018	Searcy, US	daily high min	25.0 C (77.0 F)	0.6 C (1.1 F)	97 years	41 of 100 (Notable)
4 July 2018	Stevensville 2SW, US	daily high max	36.7 C (98.1 F)	2.3 C (4.1 F)	84 years	41 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

1806 to 2018

Records set or tied on this calendar date in each year from 1806 to 2018. 2018 had 653 records.

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

Records on 07-04 in each year
Year	Records
1806	1
1815	2
1827	1
1828	1
1836	1
1837	1
1838	1
1839	2
1845	1
1850	1
1852	1
1856	2
1858	2
1859	1
1860	1
1863	1
1867	1
1868	1
1873	1
1874	2
1875	1
1877	1
1878	1
1879	1
1883	2
1887	1
1889	1
1890	3
1891	1
1892	1
1893	2
1894	3
1895	1
1896	2
1897	3
1898	6
1899	4
1900	10
1901	5
1902	8
1903	7
1904	12
1905	6
1906	15
1907	26
1908	14
1909	20
1910	33
1911	62
1912	28
1913	25
1914	48
1915	36
1916	25
1917	107
1918	72
1919	49
1920	105
1921	50
1922	61
1923	59
1924	230
1925	137
1926	139
1927	290
1928	150
1929	255
1930	276
1931	479
1932	635
1933	459
1934	521
1935	319
1936	1,189
1937	341
1938	353
1939	389
1940	504
1941	409
1942	495
1943	348
1944	553
1945	151
1946	288
1947	258
1948	293
1949	474
1950	335
1951	388
1952	285
1953	431
1954	291
1955	433
1956	381
1957	449
1958	517
1959	280
1960	562
1961	525
1962	619
1963	417
1964	383
1965	258
1966	473
1967	935
1968	668
1969	746
1970	675
1971	385
1972	1,195
1973	656
1974	546
1975	879
1976	785
1977	593
1978	1,020
1979	604
1980	674
1981	850
1982	858
1983	942
1984	851
1985	729
1986	1,129
1987	611
1988	1,158
1989	981
1990	871
1991	872
1992	1,023
1993	1,053
1994	1,131
1995	1,128
1996	1,014
1997	1,251
1998	925
1999	1,632
2000	891
2001	1,120
2002	1,152
2003	617
2004	668
2005	834
2006	924
2007	1,052
2008	764
2009	845
2010	1,124
2011	777
2012	1,205
2013	866
2014	456
2015	1,384
2016	919
2017	496
2018	653
2019	528
2020	365
2021	789
2022	700
2023	627
2024	765
2025	737
2026	717

Download the Data

Data for records on 2018-07-04: 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	438
20 to 40	10
40 to 60	1
60 to 80	2
80 to 100	1
100 to 120	1
120 to 140	1