Weather Records on 27 July 1986

836 weather records were set or tied worldwide on 27 July 1986. Highest significance: Nguiu, AU.

Key Facts for 27 July 1986

On 27 July 1986, 836 weather records were set or tied at long-record stations worldwide.
249 were record highs and 307 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 16 monthly and 818 daily.
Nguiu set a daily record precipitation of 37.4 mm (1.5 in) on 27 July 1986.
Across 162 earlier years (1805 to 2026) the same calendar date averaged 450 records.

Record Map

836 stations

836 station records on 27 July 1986 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 27 July 1986: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nguiu	Australia	Record daily precipitation	37.4 mm (1.5 in)	68 of 100 (Major)
Grafton	United States	Record daily precipitation	37.1 mm (1.5 in)	55 of 100 (Notable)
Roxboro 7 ESE	United States	Record daily precipitation	80.8 mm (3.2 in)	49 of 100 (Notable)
Paris 3 ESE	United States	Record daily precipitation	114.3 mm (4.5 in)	48 of 100 (Notable)
Crystal Springs Exp STN	United States	Record high minimum temperature	26.7 C (80.1 F)	47 of 100 (Notable)
Judith Gap	United States	Record daily precipitation	39.4 mm (1.6 in)	47 of 100 (Notable)
Gordon	United States	Record daily precipitation	78.0 mm (3.1 in)	47 of 100 (Notable)
Merrinee	Australia	Record daily precipitation	36.0 mm (1.4 in)	46 of 100 (Notable)
Maksimovo	Russia	Record daily precipitation	77.1 mm (3.0 in)	46 of 100 (Notable)
Willmar Wwtp	United States	Record daily precipitation	62.0 mm (2.4 in)	46 of 100 (Notable)
Geygel'-Kurort	Azerbaijan	Record daily precipitation	50.6 mm (2.0 in)	45 of 100 (Notable)
Tambo Post Office	Australia	Record daily precipitation	48.0 mm (1.9 in)	45 of 100 (Notable)
Atenguillo	Mexico	Record daily precipitation	77.0 mm (3.0 in)	45 of 100 (Notable)
Monticello Muni AP	United States	Record high minimum temperature	26.1 C (79.0 F)	44 of 100 (Notable)
Winona	United States	Record daily precipitation	82.6 mm (3.3 in)	43 of 100 (Notable)
Grafton	United States	Record daily precipitation	63.5 mm (2.5 in)	43 of 100 (Notable)
Headland	United States	Record daily precipitation	81.3 mm (3.2 in)	42 of 100 (Notable)
Glad Valley 2 W	United States	Record daily precipitation	77.5 mm (3.1 in)	42 of 100 (Notable)
Stillwater 1 SE	United States	Record daily precipitation	52.1 mm (2.1 in)	41 of 100 (Notable)
Marlow	United States	Record daily precipitation	74.2 mm (2.9 in)	41 of 100 (Notable)
Setauket Strong	United States	Record daily precipitation	88.9 mm (3.5 in)	41 of 100 (Notable)
Marlinton	United States	Record daily precipitation	68.1 mm (2.7 in)	41 of 100 (Notable)
Marble Hill	United States	Record daily precipitation	43.9 mm (1.7 in)	40 of 100 (Notable)
Norristown	United States	Record daily precipitation	122.7 mm (4.8 in)	40 of 100 (Notable)
Partoun	United States	Record low minimum temperature	6.7 C (44.1 F)	40 of 100 (Notable)
Biskra	Algeria	Record high minimum temperature	29.4 C (84.9 F)	39 of 100 (Notable)
Hightstown 2 W	United States	Record daily precipitation	48.8 mm (1.9 in)	39 of 100 (Notable)
Turnersburg	United States	Record daily precipitation	63.5 mm (2.5 in)	39 of 100 (Notable)
Landisville 2 NW	United States	Record daily precipitation	111.0 mm (4.4 in)	39 of 100 (Notable)
Burketown Post Office	Australia	Record high minimum temperature	21.2 C (70.2 F)	38 of 100 (Notable)
Ellsworth	United States	Record daily precipitation	99.8 mm (3.9 in)	38 of 100 (Notable)
Park River	United States	Record daily precipitation	55.9 mm (2.2 in)	38 of 100 (Notable)
Susquehanna	United States	Record daily precipitation	56.4 mm (2.2 in)	38 of 100 (Notable)
Buckeye	United States	Record daily precipitation	54.4 mm (2.1 in)	38 of 100 (Notable)
Naalehu 14	United States	Record low maximum temperature	23.3 C (73.9 F)	38 of 100 (Notable)
Bergland Dam	United States	Record daily precipitation	49.5 mm (1.9 in)	37 of 100 (Notable)
Steelville 2 N	United States	Record daily precipitation	36.3 mm (1.4 in)	37 of 100 (Notable)
Williamsville	United States	Record daily precipitation	76.7 mm (3.0 in)	37 of 100 (Notable)
Centerville Water Pl	United States	Record daily precipitation	77.5 mm (3.1 in)	37 of 100 (Notable)
Aitkin 2E	United States	Record daily precipitation	61.2 mm (2.4 in)	36 of 100 (Notable)
Greenville 6 N	United States	Record daily precipitation	43.7 mm (1.7 in)	36 of 100 (Notable)
Sherwood	United States	Record daily precipitation	42.7 mm (1.7 in)	36 of 100 (Notable)
Tooele	United States	Record low minimum temperature	9.4 C (48.9 F)	36 of 100 (Notable)
Barton	Australia	Record daily precipitation	35.0 mm (1.4 in)	35 of 100 (Notable)
Alum Fk	United States	Record high maximum temperature	43.3 C (109.9 F)	35 of 100 (Notable)
Santa Rosa	United States	Record low maximum temperature	18.9 C (66.0 F)	35 of 100 (Notable)
Grangesberg	Sweden	Record daily precipitation	31.5 mm (1.2 in)	34 of 100 (Routine)
Paragonah	United States	Record low minimum temperature	7.2 C (45.0 F)	34 of 100 (Routine)
Spanish Fk Pwr House	United States	Record low minimum temperature	8.3 C (46.9 F)	34 of 100 (Routine)
Ft Lewis	United States	Record low minimum temperature	2.2 C (36.0 F)	33 of 100 (Routine)
Silverton	United States	Record low minimum temperature	-2.2 C (28.0 F)	33 of 100 (Routine)
Clovis 13 N	United States	Record high minimum temperature	23.3 C (73.9 F)	33 of 100 (Routine)
Durham	United States	Record daily precipitation	35.6 mm (1.4 in)	33 of 100 (Routine)
Sahuaripa	Mexico	Record daily precipitation	47.0 mm (1.9 in)	32 of 100 (Routine)
Troy	United States	Record high minimum temperature	26.1 C (79.0 F)	32 of 100 (Routine)
Campbellsville 2 SSW	United States	Record daily precipitation	66.5 mm (2.6 in)	32 of 100 (Routine)
Orono	United States	Record daily precipitation	34.8 mm (1.4 in)	32 of 100 (Routine)
West Buxton 2 NNW	United States	Record daily precipitation	35.1 mm (1.4 in)	32 of 100 (Routine)
Surry Mtn Lake	United States	Record daily precipitation	58.4 mm (2.3 in)	32 of 100 (Routine)
Pine Creek	Australia	Record daily precipitation	41.0 mm (1.6 in)	31 of 100 (Routine)

Counts by Type and Timescale

836 records

Records set or tied on 27 July 1986 by type: Highest daily maximum 124, Lowest daily maximum 113, Highest daily minimum 125, Lowest daily minimum 194, Heaviest daily rainfall 280.

Records on 27 July 1986 by type
Record type	Records
Highest daily maximum	124
Lowest daily maximum	113
Highest daily minimum	125
Lowest daily minimum	194
Heaviest daily rainfall	280
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 27 July 1986 by timescale: all-time 2, monthly 16, daily 818.

How Much Records Were Beaten By

633 broken records

Margins by which the 633 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 60.7. Ties are not counted.

Top 20 by Significance

27 July 1986

Top 20 records on 27 July 1986 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
27 July 1986	Nguiu, AU	daily rain	37.4 mm (1.5 in)	37.4 mm (1.5 in)	72 years	68 of 100 (Major)
27 July 1986	Grafton, US	daily rain	37.1 mm (1.5 in)	22.4 mm (0.9 in)	92 years	55 of 100 (Notable)
27 July 1986	Roxboro 7 ESE, US	daily rain	80.8 mm (3.2 in)	53.4 mm (2.1 in)	24 years	49 of 100 (Notable)
27 July 1986	Paris 3 ESE, US	monthly rain	114.3 mm (4.5 in)	38.1 mm (1.5 in)	15 years	48 of 100 (Notable)
27 July 1986	Crystal Springs Exp STN, US	daily high min	26.7 C (80.1 F)	2.3 C (4.1 F)	89 years	47 of 100 (Notable)
27 July 1986	Judith Gap, US	daily rain	39.4 mm (1.6 in)	25.4 mm (1.0 in)	20 years	47 of 100 (Notable)
27 July 1986	Gordon, US	daily rain	78.0 mm (3.1 in)	55.6 mm (2.2 in)	31 years	47 of 100 (Notable)
27 July 1986	Merrinee, AU	daily rain	36.0 mm (1.4 in)	17.6 mm (0.7 in)	3 years	46 of 100 (Notable)
27 July 1986	Maksimovo, RU	daily rain	77.1 mm (3.0 in)	49.3 mm (1.9 in)	7 years	46 of 100 (Notable)
27 July 1986	Willmar Wwtp, US	daily rain	62.0 mm (2.4 in)	41.2 mm (1.6 in)	17 years	46 of 100 (Notable)
27 July 1986	Geygel'-Kurort, AZ	daily rain	50.6 mm (2.0 in)	41.7 mm (1.6 in)	7 years	45 of 100 (Notable)
27 July 1986	Tambo Post Office, AU	daily rain	48.0 mm (1.9 in)	13.7 mm (0.5 in)	79 years	45 of 100 (Notable)
27 July 1986	Atenguillo, MX	daily rain	77.0 mm (3.0 in)	42.5 mm (1.7 in)	33 years	45 of 100 (Notable)
27 July 1986	Monticello Muni AP, US	daily high min	26.1 C (79.0 F)	1.1 C (2.0 F)	109 years	44 of 100 (Notable)
27 July 1986	Winona, US	daily rain	82.6 mm (3.3 in)	30.3 mm (1.2 in)	39 years	43 of 100 (Notable)
27 July 1986	Grafton, US	daily rain	63.5 mm (2.5 in)	47.2 mm (1.9 in)	1 year	43 of 100 (Notable)
27 July 1986	Headland, US	daily rain	81.3 mm (3.2 in)	55.9 mm (2.2 in)	9 years	42 of 100 (Notable)
27 July 1986	Glad Valley 2 W, US	monthly rain	77.5 mm (3.1 in)	20.1 mm (0.8 in)	28 years	42 of 100 (Notable)
27 July 1986	Stillwater 1 SE, US	daily rain	52.1 mm (2.1 in)	29.0 mm (1.1 in)	40 years	41 of 100 (Notable)
27 July 1986	Marlow, US	monthly rain	74.2 mm (2.9 in)	23.4 mm (0.9 in)	10 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

1805 to 1986

Records set or tied on this calendar date in each year from 1805 to 1986. 1986 had 836 records.

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

Records on 07-27 in each year
Year	Records
1805	1
1815	2
1820	1
1832	2
1847	1
1852	1
1856	2
1857	2
1862	1
1863	1
1867	2
1868	4
1870	1
1871	1
1872	2
1873	1
1875	1
1876	2
1877	2
1881	2
1882	1
1883	5
1884	2
1886	1
1887	3
1888	3
1889	4
1890	5
1891	1
1893	2
1894	1
1895	2
1896	1
1897	5
1898	2
1899	4
1900	5
1901	11
1902	4
1903	13
1904	13
1905	7
1906	16
1907	14
1908	17
1909	18
1910	7
1911	51
1912	89
1913	43
1914	44
1915	31
1916	143
1917	46
1918	103
1919	86
1920	67
1921	123
1922	95
1923	142
1924	71
1925	234
1926	131
1927	69
1928	222
1929	177
1930	786
1931	429
1932	172
1933	414
1934	471
1935	289
1936	971
1937	407
1938	287
1939	284
1940	632
1941	457
1942	258
1943	326
1944	398
1945	337
1946	680
1947	389
1948	485
1949	418
1950	797
1951	207
1952	476
1953	248
1954	294
1955	521
1956	325
1957	372
1958	491
1959	395
1960	385
1961	277
1962	1,009
1963	584
1964	335
1965	434
1966	594
1967	559
1968	391
1969	588
1970	379
1971	1,083
1972	790
1973	751
1974	403
1975	588
1976	426
1977	878
1978	583
1979	749
1980	760
1981	1,233
1982	584
1983	1,455
1984	1,613
1985	571
1986	836
1987	1,108
1988	936
1989	1,103
1990	846
1991	763
1992	791
1993	1,317
1994	1,851
1995	1,192
1996	950
1997	1,173
1998	1,363
1999	820
2000	1,019
2001	1,265
2002	816
2003	1,064
2004	1,552
2005	1,743
2006	1,321
2007	904
2008	784
2009	829
2010	1,330
2011	1,007
2012	823
2013	1,110
2014	591
2015	744
2016	564
2017	460
2018	737
2019	597
2020	842
2021	1,131
2022	855
2023	826
2024	646
2025	853
2026	1,170

Download the Data

Data for records on 1986-07-27: 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	523
10 to 20	61
20 to 30	27
30 to 40	11
40 to 50	6
50 to 60	4
60 to 70	1