Weather Records on 4 July 1986

1,129 weather records were set or tied worldwide on 4 July 1986. Highest significance: Flagstaff AP, US.

Key Facts for 4 July 1986

On 4 July 1986, 1,129 weather records were set or tied at long-record stations worldwide.
300 were record highs and 398 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 63 monthly and 1,060 daily.
Flagstaff AP set a daily record precipitation of 47.0 mm (1.9 in) on 4 July 1986.
Across 163 earlier years (1806 to 2026) the same calendar date averaged 418 records.

Record Map

1,129 stations

1,129 station records on 4 July 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 4 July 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Flagstaff AP	United States	Record daily precipitation	47.0 mm (1.9 in)	75 of 100 (Major)
Guthrie	United States	Record daily precipitation	224.8 mm (8.9 in)	73 of 100 (Major)
Bluffs	United States	Record daily precipitation	195.6 mm (7.7 in)	70 of 100 (Major)
Cleve (Mangalo)	Australia	Record daily precipitation	26.6 mm (1.0 in)	64 of 100 (Major)
Merrinee	Australia	Record daily precipitation	90.0 mm (3.5 in)	63 of 100 (Major)
Happy Valley Reservoir	Australia	Record daily precipitation	43.6 mm (1.7 in)	62 of 100 (Major)
Gumeracha	Australia	Record daily precipitation	50.0 mm (2.0 in)	60 of 100 (Major)
Westmere (Montreux)	Australia	Record daily precipitation	54.8 mm (2.2 in)	56 of 100 (Notable)
Lukachukai	United States	Record daily precipitation	35.1 mm (1.4 in)	56 of 100 (Notable)
McKenzie Rvr Rs	United States	Record daily precipitation	26.2 mm (1.0 in)	56 of 100 (Notable)
Penong (Penalumba)	Australia	Record daily precipitation	28.0 mm (1.1 in)	55 of 100 (Notable)
Willamina	United States	Record daily precipitation	29.7 mm (1.2 in)	55 of 100 (Notable)
Wirrulla (Petina)	Australia	Record daily precipitation	27.0 mm (1.1 in)	54 of 100 (Notable)
Clarendon	Australia	Record daily precipitation	67.0 mm (2.6 in)	53 of 100 (Notable)
Meadows	Australia	Record daily precipitation	56.2 mm (2.2 in)	53 of 100 (Notable)
Old Noarlunga Post Office	Australia	Record daily precipitation	34.0 mm (1.3 in)	53 of 100 (Notable)
Willunga	Australia	Record daily precipitation	44.2 mm (1.7 in)	53 of 100 (Notable)
Stansbury	Australia	Record daily precipitation	38.2 mm (1.5 in)	52 of 100 (Notable)
Rudall	Australia	Record daily precipitation	31.0 mm (1.2 in)	51 of 100 (Notable)
Derrinallum (Craigmore)	Australia	Record daily precipitation	40.2 mm (1.6 in)	51 of 100 (Notable)
Deming	United States	Record daily precipitation	42.7 mm (1.7 in)	51 of 100 (Notable)
Star Lake	United States	Record daily precipitation	27.7 mm (1.1 in)	51 of 100 (Notable)
Tallyabra	Australia	Record daily precipitation	38.0 mm (1.5 in)	50 of 100 (Notable)
Derrinallum (Post Office)	Australia	Record daily precipitation	41.0 mm (1.6 in)	50 of 100 (Notable)
Bolivar	United States	Record low minimum temperature	-2.2 C (28.0 F)	50 of 100 (Notable)
Darke Peak	Australia	Record daily precipitation	29.4 mm (1.2 in)	49 of 100 (Notable)
Lobethal	Australia	Record daily precipitation	51.8 mm (2.0 in)	49 of 100 (Notable)
Niznij Novgorod	Russia	Record low minimum temperature	5.1 C (41.2 F)	47 of 100 (Notable)
Trentham (Post Office)	Australia	Record daily precipitation	65.0 mm (2.6 in)	45 of 100 (Notable)
Lock	Australia	Record daily precipitation	25.8 mm (1.0 in)	44 of 100 (Notable)
Moyston (Barton Estate)	Australia	Record daily precipitation	46.8 mm (1.8 in)	44 of 100 (Notable)
Blackwood	Australia	Record daily precipitation	33.6 mm (1.3 in)	44 of 100 (Notable)
Ft Bidwell	United States	Record low maximum temperature	19.4 C (66.9 F)	44 of 100 (Notable)
Cloverdale	United States	Record daily precipitation	38.9 mm (1.5 in)	44 of 100 (Notable)
Kargopol	Russia	Record low minimum temperature	1.2 C (34.2 F)	43 of 100 (Notable)
Otis 2 NE	United States	Record daily precipitation	37.8 mm (1.5 in)	43 of 100 (Notable)
Natimuk	Australia	Record daily precipitation	30.0 mm (1.2 in)	42 of 100 (Notable)
Leslie Manor (Boolarra)	Australia	Record daily precipitation	30.2 mm (1.2 in)	42 of 100 (Notable)
Bor	Russia	Record daily precipitation	29.6 mm (1.2 in)	42 of 100 (Notable)
Dallas 2 NE	United States	Record daily precipitation	25.7 mm (1.0 in)	42 of 100 (Notable)
Mc Minnville	United States	Record daily precipitation	26.7 mm (1.1 in)	42 of 100 (Notable)
Oregon City	United States	Record daily precipitation	25.4 mm (1.0 in)	42 of 100 (Notable)
Cleve (Pineside)	Australia	Record daily precipitation	25.2 mm (1.0 in)	41 of 100 (Notable)
Minlaton	Australia	Record daily precipitation	28.6 mm (1.1 in)	41 of 100 (Notable)
Aldinga Post Office	Australia	Record daily precipitation	28.0 mm (1.1 in)	41 of 100 (Notable)
Mount Compass	Australia	Record daily precipitation	66.0 mm (2.6 in)	41 of 100 (Notable)
Velikie Luki	Russia	Record low minimum temperature	5.0 C (41.0 F)	41 of 100 (Notable)
Hillsboro 3 N	United States	Record high minimum temperature	25.0 C (77.0 F)	41 of 100 (Notable)
Jacksboro	United States	Record daily precipitation	79.8 mm (3.1 in)	41 of 100 (Notable)
Alsea Fh (Fall Creek)	United States	Record daily precipitation	27.7 mm (1.1 in)	40 of 100 (Notable)
Venice	United States	Record low maximum temperature	28.9 C (84.0 F)	39 of 100 (Notable)
Adrian 2 NNE	United States	Record low minimum temperature	5.6 C (42.1 F)	39 of 100 (Notable)
Fruitland	United States	Record daily precipitation	26.2 mm (1.0 in)	39 of 100 (Notable)
Silver Creek Falls	United States	Record daily precipitation	29.2 mm (1.1 in)	39 of 100 (Notable)
Stayton	United States	Record daily precipitation	26.4 mm (1.0 in)	39 of 100 (Notable)
Levan	United States	Record high minimum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Mount Bold Reservoir	Australia	Record daily precipitation	56.2 mm (2.2 in)	38 of 100 (Notable)
Harrow (Pine Hills)	Australia	Record daily precipitation	27.0 mm (1.1 in)	38 of 100 (Notable)
Woods Point	Australia	Record daily precipitation	54.6 mm (2.1 in)	38 of 100 (Notable)
Ford City 4 S Dam	United States	Record low minimum temperature	0.0 C (32.0 F)	38 of 100 (Notable)

Counts by Type and Timescale

1,129 records

Records set or tied on 4 July 1986 by type: Highest daily maximum 71, Lowest daily maximum 172, Highest daily minimum 229, Lowest daily minimum 226, Heaviest daily rainfall 430, Heaviest daily snowfall 1.

Records on 4 July 1986 by type
Record type	Records
Highest daily maximum	71
Lowest daily maximum	172
Highest daily minimum	229
Lowest daily minimum	226
Heaviest daily rainfall	430
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 4 July 1986 by timescale: all-time 6, monthly 63, daily 1,060.

How Much Records Were Beaten By

902 broken records

Margins by which the 902 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 73.4. Ties are not counted.

Top 20 by Significance

4 July 1986

Top 20 records on 4 July 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
4 July 1986	Flagstaff AP, US	daily rain	47.0 mm (1.9 in)	31.8 mm (1.3 in)	89 years	75 of 100 (Major)
4 July 1986	Guthrie, US	all-time rain	224.8 mm (8.9 in)	67.3 mm (2.6 in)	32 years	73 of 100 (Major)
4 July 1986	Bluffs, US	all-time rain	195.6 mm (7.7 in)	73.4 mm (2.9 in)	20 years	70 of 100 (Major)
4 July 1986	Cleve (Mangalo), AU	daily rain	26.6 mm (1.0 in)	16.9 mm (0.7 in)	55 years	64 of 100 (Major)
4 July 1986	Merrinee, AU	monthly rain	90.0 mm (3.5 in)	56.2 mm (2.2 in)	26 years	63 of 100 (Major)
4 July 1986	Happy Valley Reservoir, AU	daily rain	43.6 mm (1.7 in)	21.8 mm (0.9 in)	41 years	62 of 100 (Major)
4 July 1986	Gumeracha, AU	daily rain	50.0 mm (2.0 in)	25.6 mm (1.0 in)	44 years	60 of 100 (Major)
4 July 1986	Westmere (Montreux), AU	monthly rain	54.8 mm (2.2 in)	31.0 mm (1.2 in)	1 year	56 of 100 (Notable)
4 July 1986	Lukachukai, US	daily rain	35.1 mm (1.4 in)	32.8 mm (1.3 in)	32 years	56 of 100 (Notable)
4 July 1986	McKenzie Rvr Rs, US	daily rain	26.2 mm (1.0 in)	16.3 mm (0.6 in)	83 years	56 of 100 (Notable)
4 July 1986	Penong (Penalumba), AU	daily rain	28.0 mm (1.1 in)	17.1 mm (0.7 in)	49 years	55 of 100 (Notable)
4 July 1986	Willamina, US	monthly rain	29.7 mm (1.2 in)	17.0 mm (0.7 in)	2 years	55 of 100 (Notable)
4 July 1986	Wirrulla (Petina), AU	daily rain	27.0 mm (1.1 in)	14.0 mm (0.6 in)	52 years	54 of 100 (Notable)
4 July 1986	Clarendon, AU	monthly rain	67.0 mm (2.6 in)	17.7 mm (0.7 in)	32 years	53 of 100 (Notable)
4 July 1986	Meadows, AU	monthly rain	56.2 mm (2.2 in)	12.8 mm (0.5 in)	57 years	53 of 100 (Notable)
4 July 1986	Old Noarlunga Post Office, AU	daily rain	34.0 mm (1.3 in)	15.5 mm (0.6 in)	41 years	53 of 100 (Notable)
4 July 1986	Willunga, AU	daily rain	44.2 mm (1.7 in)	18.3 mm (0.7 in)	41 years	53 of 100 (Notable)
4 July 1986	Stansbury, AU	monthly rain	38.2 mm (1.5 in)	5.2 mm (0.20 in)	69 years	52 of 100 (Notable)
4 July 1986	Rudall, AU	daily rain	31.0 mm (1.2 in)	18.6 mm (0.7 in)	16 years	51 of 100 (Notable)
4 July 1986	Derrinallum (Craigmore), AU	monthly rain	40.2 mm (1.6 in)	3.4 mm (0.13 in)	87 years	51 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 1986

Records set or tied on this calendar date in each year from 1806 to 1986. 1986 had 1,129 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 1986-07-04: 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 10	800
10 to 20	78
20 to 30	15
30 to 40	5
40 to 50	0
50 to 60	1
60 to 70	2
70 to 80	1