Weather Records on 18 July 1986

908 weather records were set or tied worldwide on 18 July 1986. Highest significance: Uricky, KZ.

Key Facts for 18 July 1986

On 18 July 1986, 908 weather records were set or tied at long-record stations worldwide.
468 were record highs and 281 were record lows, counting maximum and minimum temperature.
By timescale, 7 were all-time records, 18 monthly and 883 daily.
Uricky set an all-time record daily precipitation of 81.3 mm (3.2 in) on 18 July 1986.
Across 156 earlier years (1793 to 2026) the same calendar date averaged 459 records.

Record Map

908 stations

908 station records on 18 July 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 18 July 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Uricky	Kazakhstan	Record daily precipitation	81.3 mm (3.2 in)	58 of 100 (Notable)
St Helens Post Office	Australia	Record daily precipitation	46.2 mm (1.8 in)	56 of 100 (Notable)
Kokshetay	Kazakhstan	Record daily precipitation	34.2 mm (1.3 in)	55 of 100 (Notable)
Spearfish	United States	Record daily precipitation	49.5 mm (1.9 in)	52 of 100 (Notable)
Marengo	United States	Record high minimum temperature	26.7 C (80.1 F)	50 of 100 (Notable)
Kilkivan Post Office	Australia	Record daily precipitation	27.4 mm (1.1 in)	48 of 100 (Notable)
Ft Yates 4 SW	United States	Record daily precipitation	39.9 mm (1.6 in)	48 of 100 (Notable)
Polovinnoe	Russia	Record daily precipitation	45.5 mm (1.8 in)	47 of 100 (Notable)
Radolfzell-Markelfingen	Germany	Record daily precipitation	77.1 mm (3.0 in)	46 of 100 (Notable)
Fyodorov Sovkhoz	Kazakhstan	Record daily precipitation	39.2 mm (1.5 in)	46 of 100 (Notable)
Collegeville St John's	United States	Record daily precipitation	74.4 mm (2.9 in)	44 of 100 (Notable)
Iowa Falls	United States	Record high minimum temperature	27.2 C (81.0 F)	43 of 100 (Notable)
Kurnool	India	Record daily precipitation	81.0 mm (3.2 in)	42 of 100 (Notable)
Eidsvold Post Office	Australia	Record daily precipitation	34.4 mm (1.4 in)	41 of 100 (Notable)
Konstanz	Germany	Record daily precipitation	54.1 mm (2.1 in)	41 of 100 (Notable)
Zverinogolovskaja	Russia	Record daily precipitation	64.1 mm (2.5 in)	41 of 100 (Notable)
Escanaba	United States	Record daily precipitation	45.2 mm (1.8 in)	41 of 100 (Notable)
Apslawn	Australia	Record daily precipitation	64.0 mm (2.5 in)	40 of 100 (Notable)
Karasul	Kazakhstan	Record daily precipitation	29.1 mm (1.1 in)	40 of 100 (Notable)
Creston	United States	Record high minimum temperature	23.3 C (73.9 F)	39 of 100 (Notable)
Chilton	United States	Record high minimum temperature	24.4 C (75.9 F)	39 of 100 (Notable)
Montague 4 NW	United States	Record high minimum temperature	22.2 C (72.0 F)	38 of 100 (Notable)
Georgetown 2 E	United States	Record high minimum temperature	26.7 C (80.1 F)	38 of 100 (Notable)
Lewisburg Exp STN	United States	Record daily precipitation	32.3 mm (1.3 in)	38 of 100 (Notable)
Uberlingen/Bodensee	Germany	Record daily precipitation	116.0 mm (4.6 in)	37 of 100 (Notable)
Chiricahua Nm	United States	Record low maximum temperature	21.1 C (70.0 F)	37 of 100 (Notable)
Dwtn Charleston	United States	Record high minimum temperature	27.2 C (81.0 F)	37 of 100 (Notable)
Cracow Store	Australia	Record daily precipitation	32.4 mm (1.3 in)	36 of 100 (Notable)
Pilliga (Nirvana)	Australia	Record daily precipitation	31.0 mm (1.2 in)	36 of 100 (Notable)
Bloomington Indiana UNIV	United States	Record high minimum temperature	24.4 C (75.9 F)	36 of 100 (Notable)
Maple Plain	United States	Record high minimum temperature	24.4 C (75.9 F)	36 of 100 (Notable)
Bison	United States	Record daily precipitation	28.2 mm (1.1 in)	36 of 100 (Notable)
Iron Mtn-Kingsford Wwtp	United States	Record high maximum temperature	35.6 C (96.1 F)	35 of 100 (Notable)
Bremerton	United States	Record low minimum temperature	8.3 C (46.9 F)	35 of 100 (Notable)
Lucin	United States	Record low maximum temperature	26.7 C (80.1 F)	35 of 100 (Notable)
Bass	Australia	Record daily precipitation	29.0 mm (1.1 in)	34 of 100 (Routine)
Laurel	United States	Record daily precipitation	65.5 mm (2.6 in)	34 of 100 (Routine)
Clatskanie	United States	Record low minimum temperature	5.6 C (42.1 F)	34 of 100 (Routine)
Owyhee Dam	United States	Record low minimum temperature	3.9 C (39.0 F)	34 of 100 (Routine)
Riverdale	United States	Record low maximum temperature	25.6 C (78.1 F)	34 of 100 (Routine)
Wellsburg Wtr Trmt Pl	United States	Record high minimum temperature	22.2 C (72.0 F)	34 of 100 (Routine)
Bishop AP	United States	Record low minimum temperature	7.2 C (45.0 F)	34 of 100 (Routine)
Clifton	United States	Record low maximum temperature	27.8 C (82.0 F)	33 of 100 (Routine)
Hattiesburg 5SW	United States	Record daily precipitation	67.1 mm (2.6 in)	33 of 100 (Routine)
Hachita 1W	United States	Record low maximum temperature	28.3 C (82.9 F)	33 of 100 (Routine)
Marion	United States	Record high minimum temperature	22.2 C (72.0 F)	33 of 100 (Routine)
Camp Crook	United States	Record high minimum temperature	18.9 C (66.0 F)	33 of 100 (Routine)
Yoakum	United States	Record low minimum temperature	18.3 C (64.9 F)	33 of 100 (Routine)
Fairmont	United States	Record high minimum temperature	22.8 C (73.0 F)	33 of 100 (Routine)
Hartwell	United States	Record high minimum temperature	25.6 C (78.1 F)	32 of 100 (Routine)
Rupert 3 WSW	United States	Record low maximum temperature	23.9 C (75.0 F)	32 of 100 (Routine)
Tremonton	United States	Record low maximum temperature	25.6 C (78.1 F)	32 of 100 (Routine)
Santa Rosa	United States	Record low maximum temperature	20.6 C (69.1 F)	31 of 100 (Routine)
Bergland Dam	United States	Record high maximum temperature	35.0 C (95.0 F)	31 of 100 (Routine)
Little Mtn	United States	Record high maximum temperature	40.0 C (104.0 F)	31 of 100 (Routine)
Odessa	United States	Record low minimum temperature	3.9 C (39.0 F)	31 of 100 (Routine)
Oktjabrskaja	Russia	Record low minimum temperature	2.5 C (36.5 F)	30 of 100 (Routine)
Garden Valley	United States	Record low minimum temperature	1.1 C (34.0 F)	30 of 100 (Routine)
Newberry-Luce Co Rd Commission	United States	Record high minimum temperature	21.1 C (70.0 F)	30 of 100 (Routine)
Caledonia	United States	Record high minimum temperature	22.8 C (73.0 F)	30 of 100 (Routine)

Counts by Type and Timescale

908 records

Records set or tied on 18 July 1986 by type: Highest daily maximum 201, Lowest daily maximum 122, Highest daily minimum 267, Lowest daily minimum 159, Heaviest daily rainfall 159.

Records on 18 July 1986 by type
Record type	Records
Highest daily maximum	201
Lowest daily maximum	122
Highest daily minimum	267
Lowest daily minimum	159
Heaviest daily rainfall	159
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 18 July 1986 by timescale: all-time 7, monthly 18, daily 883.

How Much Records Were Beaten By

600 broken records

Margins by which the 600 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 58.8. Ties are not counted.

Top 20 by Significance

18 July 1986

Top 20 records on 18 July 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
18 July 1986	Uricky, KZ	all-time rain	81.3 mm (3.2 in)	20.4 mm (0.8 in)	26 years	58 of 100 (Notable)
18 July 1986	St Helens Post Office, AU	daily rain	46.2 mm (1.8 in)	14.4 mm (0.6 in)	92 years	56 of 100 (Notable)
18 July 1986	Kokshetay, KZ	daily rain	34.2 mm (1.3 in)	19.5 mm (0.8 in)	68 years	55 of 100 (Notable)
18 July 1986	Spearfish, US	daily rain	49.5 mm (1.9 in)	34.0 mm (1.3 in)	28 years	52 of 100 (Notable)
18 July 1986	Marengo, US	all-time high min	26.7 C (80.1 F)	0.6 C (1.1 F)	69 years	50 of 100 (Notable)
18 July 1986	Kilkivan Post Office, AU	daily rain	27.4 mm (1.1 in)	18.0 mm (0.7 in)	89 years	48 of 100 (Notable)
18 July 1986	Ft Yates 4 SW, US	daily rain	39.9 mm (1.6 in)	12.0 mm (0.5 in)	88 years	48 of 100 (Notable)
18 July 1986	Polovinnoe, RU	daily rain	45.5 mm (1.8 in)	26.7 mm (1.1 in)	24 years	47 of 100 (Notable)
18 July 1986	Radolfzell-Markelfingen, DE	daily rain	77.1 mm (3.0 in)	58.8 mm (2.3 in)	12 years	46 of 100 (Notable)
18 July 1986	Fyodorov Sovkhoz, KZ	daily rain	39.2 mm (1.5 in)	18.1 mm (0.7 in)	48 years	46 of 100 (Notable)
18 July 1986	Collegeville St John's, US	daily rain	74.4 mm (2.9 in)	43.4 mm (1.7 in)	3 years	44 of 100 (Notable)
18 July 1986	Iowa Falls, US	all-time high min	27.2 C (81.0 F)	1.6 C (2.9 F)	34 years	43 of 100 (Notable)
18 July 1986	Kurnool, IN	daily rain	81.0 mm (3.2 in)	29.7 mm (1.2 in)	27 years	42 of 100 (Notable)
18 July 1986	Eidsvold Post Office, AU	daily rain	34.4 mm (1.4 in)	20.4 mm (0.8 in)	51 years	41 of 100 (Notable)
18 July 1986	Konstanz, DE	daily rain	54.1 mm (2.1 in)	31.3 mm (1.2 in)	4 years	41 of 100 (Notable)
18 July 1986	Zverinogolovskaja, RU	all-time rain	64.1 mm (2.5 in)	2.7 mm (0.11 in)	43 years	41 of 100 (Notable)
18 July 1986	Escanaba, US	daily rain	45.2 mm (1.8 in)	8.1 mm (0.32 in)	83 years	41 of 100 (Notable)
18 July 1986	Apslawn, AU	daily rain	64.0 mm (2.5 in)	5.6 mm (0.22 in)	92 years	40 of 100 (Notable)
18 July 1986	Karasul, KZ	daily rain	29.1 mm (1.1 in)	23.0 mm (0.9 in)	31 years	40 of 100 (Notable)
18 July 1986	Creston, US	daily high min	23.3 C (73.9 F)	2.2 C (4.0 F)	80 years	39 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

1793 to 1986

Records set or tied on this calendar date in each year from 1793 to 1986. 1986 had 908 records.

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

Records on 07-18 in each year
Year	Records
1793	2
1801	1
1845	1
1847	1
1851	1
1858	1
1862	1
1863	2
1865	1
1866	2
1871	2
1872	1
1874	1
1877	1
1878	4
1880	1
1881	2
1883	2
1886	2
1887	2
1888	1
1889	2
1890	4
1891	1
1892	2
1895	1
1896	2
1897	6
1898	2
1899	3
1900	8
1901	5
1902	3
1903	14
1904	7
1905	22
1906	13
1907	12
1908	39
1909	11
1910	33
1911	42
1912	28
1913	21
1914	47
1915	95
1916	235
1917	265
1918	58
1919	38
1920	59
1921	67
1922	138
1923	126
1924	306
1925	217
1926	191
1927	85
1928	108
1929	123
1930	462
1931	382
1932	343
1933	228
1934	502
1935	212
1936	665
1937	334
1938	306
1939	424
1940	352
1941	349
1942	661
1943	277
1944	333
1945	350
1946	334
1947	385
1948	289
1949	521
1950	632
1951	307
1952	597
1953	493
1954	501
1955	423
1956	466
1957	325
1958	475
1959	548
1960	669
1961	280
1962	516
1963	269
1964	523
1965	707
1966	545
1967	735
1968	998
1969	590
1970	530
1971	625
1972	701
1973	976
1974	729
1975	643
1976	1,047
1977	839
1978	881
1979	821
1980	747
1981	624
1982	749
1983	1,071
1984	1,000
1985	582
1986	908
1987	1,845
1988	1,001
1989	1,233
1990	1,053
1991	589
1992	1,135
1993	1,013
1994	720
1995	904
1996	1,157
1997	785
1998	1,169
1999	900
2000	1,214
2001	909
2002	840
2003	1,159
2004	985
2005	1,210
2006	1,285
2007	1,267
2008	593
2009	1,757
2010	878
2011	1,148
2012	1,070
2013	921
2014	1,348
2015	745
2016	609
2017	426
2018	699
2019	548
2020	361
2021	676
2022	1,071
2023	867
2024	581
2025	779
2026	806

Download the Data

Data for records on 1986-07-18: 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	551
10 to 20	29
20 to 30	14
30 to 40	4
40 to 50	1
50 to 60	1