Weather Records on 11 July 1987

1,030 weather records were set or tied worldwide on 11 July 1987. Highest significance: Deaver, US.

Key Facts for 11 July 1987

On 11 July 1987, 1,030 weather records were set or tied at long-record stations worldwide.
494 were record highs and 328 were record lows, counting maximum and minimum temperature.
By timescale, 3 were all-time records, 33 monthly and 994 daily.
Deaver set a daily record precipitation of 27.9 mm (1.1 in) on 11 July 1987.
Across 167 earlier years (1813 to 2026) the same calendar date averaged 419 records.

Record Map

1,030 stations

1,030 station records on 11 July 1987 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 11 July 1987: highest significance records shown on the map
Station	Country	Type	Value	Significance
Deaver	United States	Record daily precipitation	27.9 mm (1.1 in)	66 of 100 (Major)
Swainsboro	United States	Record high minimum temperature	31.1 C (88.0 F)	61 of 100 (Major)
Rapelje	United States	Record daily precipitation	26.7 mm (1.1 in)	60 of 100 (Major)
Columbus	United States	Record daily precipitation	35.8 mm (1.4 in)	56 of 100 (Notable)
Fishtail	United States	Record daily precipitation	88.9 mm (3.5 in)	56 of 100 (Notable)
Brookings 2 NE	United States	Record daily precipitation	47.0 mm (1.9 in)	55 of 100 (Notable)
Mystic Lake	United States	Record daily precipitation	34.8 mm (1.4 in)	54 of 100 (Notable)
Heart Mtn	United States	Record daily precipitation	27.2 mm (1.1 in)	54 of 100 (Notable)
Billings Wtp	United States	Record daily precipitation	30.5 mm (1.2 in)	53 of 100 (Notable)
Hebgen Dam	United States	Record daily precipitation	39.1 mm (1.5 in)	52 of 100 (Notable)
Butte	United States	Record daily precipitation	68.6 mm (2.7 in)	52 of 100 (Notable)
Merke	Kazakhstan	Record daily precipitation	29.9 mm (1.2 in)	51 of 100 (Notable)
Grant 5 SE	United States	Record daily precipitation	32.8 mm (1.3 in)	51 of 100 (Notable)
Red Lodge	United States	Record daily precipitation	42.7 mm (1.7 in)	49 of 100 (Notable)
Chokpak	Kazakhstan	Record daily precipitation	25.0 mm (1.0 in)	48 of 100 (Notable)
Bridger 2 N	United States	Record daily precipitation	39.4 mm (1.6 in)	46 of 100 (Notable)
Wyola 1 SW	United States	Record daily precipitation	30.5 mm (1.2 in)	46 of 100 (Notable)
Sparta 3.5 SSW	United States	Record daily precipitation	99.1 mm (3.9 in)	45 of 100 (Notable)
Richland	United States	Record low maximum temperature	23.3 C (73.9 F)	45 of 100 (Notable)
Sheridan Fld STN	United States	Record daily precipitation	36.8 mm (1.4 in)	44 of 100 (Notable)
Carroll	United States	Record daily precipitation	50.8 mm (2.0 in)	43 of 100 (Notable)
Virginia City	United States	Record daily precipitation	28.7 mm (1.1 in)	42 of 100 (Notable)
Bozeman Montana State UNIV	United States	Record low maximum temperature	14.4 C (57.9 F)	41 of 100 (Notable)
Busby	United States	Record daily precipitation	29.0 mm (1.1 in)	41 of 100 (Notable)
Lame Deer	United States	Record daily precipitation	27.9 mm (1.1 in)	41 of 100 (Notable)
Wanakena Rngr School	United States	Record high minimum temperature	23.9 C (75.0 F)	41 of 100 (Notable)
Redig 11 NE	United States	Record daily precipitation	27.2 mm (1.1 in)	41 of 100 (Notable)
Motul	Mexico	Record daily precipitation	66.5 mm (2.6 in)	40 of 100 (Notable)
Barabinsk	Russia	Record high minimum temperature	19.5 C (67.1 F)	40 of 100 (Notable)
Cape Bruny Lighthouse	Australia	Record daily precipitation	26.4 mm (1.0 in)	39 of 100 (Notable)
Driggs	United States	Record low maximum temperature	15.6 C (60.1 F)	39 of 100 (Notable)
Pryor	United States	Record daily precipitation	48.0 mm (1.9 in)	39 of 100 (Notable)
Tremonton	United States	Record low maximum temperature	16.7 C (62.1 F)	39 of 100 (Notable)
Pogranichnyj	Russia	Record daily precipitation	44.4 mm (1.7 in)	38 of 100 (Notable)
Oestersund-Froesoen	Sweden	Record low maximum temperature	11.2 C (52.2 F)	38 of 100 (Notable)
Monida	United States	Record daily precipitation	25.4 mm (1.0 in)	38 of 100 (Notable)
Hatch	United States	Record low minimum temperature	10.0 C (50.0 F)	38 of 100 (Notable)
Colton 2 N	United States	Record daily precipitation	39.4 mm (1.6 in)	38 of 100 (Notable)
Manorkill	United States	Record daily precipitation	48.3 mm (1.9 in)	38 of 100 (Notable)
Mission 14 S	United States	Record daily precipitation	55.4 mm (2.2 in)	38 of 100 (Notable)
Green Rvr	United States	Record low maximum temperature	17.8 C (64.0 F)	38 of 100 (Notable)
Woldegk	Germany	Record daily precipitation	32.9 mm (1.3 in)	37 of 100 (Notable)
Crookston NW Exp STN	United States	Record low maximum temperature	20.0 C (68.0 F)	37 of 100 (Notable)
Clearmont 5 SW	United States	Record low maximum temperature	14.4 C (57.9 F)	37 of 100 (Notable)
Zoh Laguna	Mexico	Record low minimum temperature	11.7 C (53.1 F)	36 of 100 (Notable)
Walden	United States	Record low maximum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
Montague 4 NW	United States	Record high maximum temperature	31.7 C (89.1 F)	36 of 100 (Notable)
Roundup	United States	Record low maximum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
Lancaster	United States	Record high maximum temperature	32.8 C (91.0 F)	36 of 100 (Notable)
Bucyrus	United States	Record high minimum temperature	21.7 C (71.1 F)	36 of 100 (Notable)
Mata de Limones	Mexico	Record daily precipitation	61.0 mm (2.4 in)	35 of 100 (Notable)
Oskaloosa	United States	Record daily precipitation	39.4 mm (1.6 in)	35 of 100 (Notable)
Norris Madison Pwr House	United States	Record daily precipitation	45.7 mm (1.8 in)	35 of 100 (Notable)
Middletown 2 NW	United States	Record high minimum temperature	22.2 C (72.0 F)	35 of 100 (Notable)
Epping	United States	Record daily precipitation	34.5 mm (1.4 in)	35 of 100 (Notable)
New Salem 5NW	United States	Record low maximum temperature	18.9 C (66.0 F)	35 of 100 (Notable)
Lemmon	United States	Record low maximum temperature	16.1 C (61.0 F)	35 of 100 (Notable)
Butte Bert Mooney AP	United States	Record low maximum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Anklam	Germany	Record daily precipitation	26.9 mm (1.1 in)	34 of 100 (Routine)
Ojai	United States	Record low maximum temperature	25.0 C (77.0 F)	34 of 100 (Routine)

Counts by Type and Timescale

1,030 records

Records set or tied on 11 July 1987 by type: Highest daily maximum 150, Lowest daily maximum 230, Highest daily minimum 344, Lowest daily minimum 98, Heaviest daily rainfall 208.

Records on 11 July 1987 by type
Record type	Records
Highest daily maximum	150
Lowest daily maximum	230
Highest daily minimum	344
Lowest daily minimum	98
Heaviest daily rainfall	208
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 11 July 1987 by timescale: all-time 3, monthly 33, daily 994.

How Much Records Were Beaten By

735 broken records

Margins by which the 735 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 41.4. Ties are not counted.

Top 20 by Significance

11 July 1987

Top 20 records on 11 July 1987 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
11 July 1987	Deaver, US	daily rain	27.9 mm (1.1 in)	20.3 mm (0.8 in)	64 years	66 of 100 (Major)
11 July 1987	Swainsboro, US	all-time high min	31.1 C (88.0 F)	3.9 C (7.0 F)	40 years	61 of 100 (Major)
11 July 1987	Rapelje, US	daily rain	26.7 mm (1.1 in)	17.6 mm (0.7 in)	74 years	60 of 100 (Major)
11 July 1987	Columbus, US	daily rain	35.8 mm (1.4 in)	30.7 mm (1.2 in)	37 years	56 of 100 (Notable)
11 July 1987	Fishtail, US	monthly rain	88.9 mm (3.5 in)	40.1 mm (1.6 in)	13 years	56 of 100 (Notable)
11 July 1987	Brookings 2 NE, US	daily rain	47.0 mm (1.9 in)	24.9 mm (1.0 in)	73 years	55 of 100 (Notable)
11 July 1987	Mystic Lake, US	daily rain	34.8 mm (1.4 in)	16.3 mm (0.6 in)	46 years	54 of 100 (Notable)
11 July 1987	Heart Mtn, US	daily rain	27.2 mm (1.1 in)	18.6 mm (0.7 in)	36 years	54 of 100 (Notable)
11 July 1987	Billings Wtp, US	daily rain	30.5 mm (1.2 in)	15.8 mm (0.6 in)	50 years	53 of 100 (Notable)
11 July 1987	Hebgen Dam, US	daily rain	39.1 mm (1.5 in)	16.7 mm (0.7 in)	56 years	52 of 100 (Notable)
11 July 1987	Butte, US	daily rain	68.6 mm (2.7 in)	40.7 mm (1.6 in)	42 years	52 of 100 (Notable)
11 July 1987	Merke, KZ	daily rain	29.9 mm (1.2 in)	23.5 mm (0.9 in)	20 years	51 of 100 (Notable)
11 July 1987	Grant 5 SE, US	daily rain	32.8 mm (1.3 in)	23.4 mm (0.9 in)	16 years	51 of 100 (Notable)
11 July 1987	Red Lodge, US	daily rain	42.7 mm (1.7 in)	26.2 mm (1.0 in)	0 years	49 of 100 (Notable)
11 July 1987	Chokpak, KZ	daily rain	25.0 mm (1.0 in)	22.0 mm (0.9 in)	21 years	48 of 100 (Notable)
11 July 1987	Bridger 2 N, US	monthly rain	39.4 mm (1.6 in)	4.6 mm (0.18 in)	61 years	46 of 100 (Notable)
11 July 1987	Wyola 1 SW, US	daily rain	30.5 mm (1.2 in)	19.8 mm (0.8 in)	36 years	46 of 100 (Notable)
11 July 1987	Sparta 3.5 SSW, US	monthly rain	99.1 mm (3.9 in)	32.0 mm (1.3 in)	6 years	45 of 100 (Notable)
11 July 1987	Richland, US	daily low max	23.3 C (73.9 F)	3.4 C (6.1 F)	93 years	45 of 100 (Notable)
11 July 1987	Sheridan Fld STN, US	daily rain	36.8 mm (1.4 in)	21.1 mm (0.8 in)	33 years	44 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

1813 to 1987

Records set or tied on this calendar date in each year from 1813 to 1987. 1987 had 1,030 records.

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

Records on 07-11 in each year
Year	Records
1813	2
1815	1
1816	1
1821	1
1843	1
1845	1
1846	1
1847	2
1849	1
1850	2
1851	2
1856	1
1858	1
1859	1
1860	1
1862	1
1863	1
1866	1
1868	1
1869	2
1870	2
1871	1
1873	1
1874	3
1875	1
1876	3
1878	2
1879	3
1882	2
1886	4
1887	1
1888	3
1889	9
1890	5
1891	4
1894	12
1895	3
1896	2
1897	2
1898	4
1899	7
1900	4
1901	4
1902	3
1903	7
1904	14
1905	16
1906	17
1907	23
1908	36
1909	16
1910	24
1911	87
1912	21
1913	36
1914	45
1915	21
1916	29
1917	121
1918	18
1919	37
1920	22
1921	179
1922	56
1923	107
1924	100
1925	425
1926	215
1927	106
1928	91
1929	121
1930	572
1931	206
1932	291
1933	705
1934	413
1935	387
1936	1,268
1937	405
1938	244
1939	496
1940	296
1941	517
1942	734
1943	369
1944	702
1945	978
1946	275
1947	388
1948	313
1949	286
1950	619
1951	849
1952	519
1953	554
1954	758
1955	343
1956	534
1957	495
1958	519
1959	523
1960	373
1961	731
1962	536
1963	706
1964	482
1965	406
1966	503
1967	368
1968	482
1969	569
1970	404
1971	547
1972	486
1973	658
1974	858
1975	1,107
1976	734
1977	537
1978	829
1979	519
1980	1,002
1981	663
1982	642
1983	984
1984	1,174
1985	607
1986	691
1987	1,030
1988	973
1989	832
1990	1,010
1991	1,038
1992	926
1993	1,227
1994	839
1995	1,037
1996	1,283
1997	686
1998	1,235
1999	1,175
2000	862
2001	874
2002	1,438
2003	1,033
2004	658
2005	1,105
2006	809
2007	962
2008	759
2009	801
2010	1,210
2011	1,016
2012	1,053
2013	553
2014	540
2015	766
2016	1,035
2017	589
2018	439
2019	606
2020	814
2021	935
2022	581
2023	873
2024	1,064
2025	440
2026	705

Download the Data

Data for records on 1987-07-11: 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).

Histogram of margins by which records were beaten on 11 July 1987
Margin	Records
0 to 10	657
10 to 20	51
20 to 30	18
30 to 40	5
40 to 50	4