Weather Records on 30 June 1991

1,129 weather records were set or tied worldwide on 30 June 1991. Highest significance: Las Gaviotas, MX.

Key Facts for 30 June 1991

On 30 June 1991, 1,129 weather records were set or tied at long-record stations worldwide.
539 were record highs and 267 were record lows, counting maximum and minimum temperature.
By timescale, 8 were all-time records, 56 monthly and 1,065 daily.
Las Gaviotas set an all-time record daily precipitation of 233.9 mm (9.2 in) on 30 June 1991.
Across 160 earlier years (1826 to 2026) the same calendar date averaged 445 records.

Record Map

1,129 stations

1,129 station records on 30 June 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 June 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Las Gaviotas	Mexico	Record daily precipitation	233.9 mm (9.2 in)	65 of 100 (Major)
Rio Grande City	United States	Record daily precipitation	69.6 mm (2.7 in)	59 of 100 (Notable)
Sattahip	Thailand	Record daily precipitation	89.9 mm (3.5 in)	54 of 100 (Notable)
Los Limones (Cfe)	Mexico	Record daily precipitation	126.0 mm (5.0 in)	53 of 100 (Notable)
Suchixtlahuaca -Quiotep-	Mexico	Record daily precipitation	79.8 mm (3.1 in)	51 of 100 (Notable)
Malmo_2	Sweden	Record daily precipitation	41.0 mm (1.6 in)	49 of 100 (Notable)
Fargo Hector Intl AP	United States	Record daily precipitation	59.2 mm (2.3 in)	49 of 100 (Notable)
Eureka	United States	Record daily precipitation	60.7 mm (2.4 in)	48 of 100 (Notable)
Akita	Japan	Record daily precipitation	72.9 mm (2.9 in)	46 of 100 (Notable)
Tlanchinol (Smn)	Mexico	Record daily precipitation	130.8 mm (5.1 in)	46 of 100 (Notable)
Wauchula	United States	Record daily precipitation	127.0 mm (5.0 in)	46 of 100 (Notable)
Hysham 25 SSE	United States	Record daily precipitation	34.0 mm (1.3 in)	45 of 100 (Notable)
Upham 3 N	United States	Record daily precipitation	52.3 mm (2.1 in)	45 of 100 (Notable)
Rantoul	United States	Record high minimum temperature	27.8 C (82.0 F)	45 of 100 (Notable)
Paraiso	Puerto Rico [United States]	Record daily precipitation	104.1 mm (4.1 in)	44 of 100 (Notable)
Presa Venustiano Carranza	Mexico	Record daily precipitation	39.9 mm (1.6 in)	42 of 100 (Notable)
Culbertson	United States	Record daily precipitation	48.0 mm (1.9 in)	42 of 100 (Notable)
Weslaco	United States	Record low maximum temperature	27.2 C (81.0 F)	42 of 100 (Notable)
Hidalgo (Dge)	Mexico	Record daily precipitation	80.8 mm (3.2 in)	41 of 100 (Notable)
Vladikavkaz	Russia	Record high minimum temperature	19.8 C (67.6 F)	41 of 100 (Notable)
Forks 4 NNE	United States	Record daily precipitation	44.7 mm (1.8 in)	41 of 100 (Notable)
McAllen	United States	Record low maximum temperature	26.7 C (80.1 F)	41 of 100 (Notable)
Hickory FAA AP	United States	Record daily precipitation	58.9 mm (2.3 in)	41 of 100 (Notable)
Roosevelt Roads	Puerto Rico [United States]	Record daily precipitation	60.7 mm (2.4 in)	40 of 100 (Notable)
Belozersk	Russia	Record daily precipitation	31.0 mm (1.2 in)	40 of 100 (Notable)
Babuskin	Russia	Record low minimum temperature	1.3 C (34.3 F)	40 of 100 (Notable)
Tasiilaq	Greenland [Denmark]	Record high maximum temperature	20.8 C (69.4 F)	39 of 100 (Notable)
Ciudad Victoria	Mexico	Record low maximum temperature	24.0 C (75.2 F)	39 of 100 (Notable)
Hiram	United States	Record high minimum temperature	22.2 C (72.0 F)	39 of 100 (Notable)
Burnet	United States	Record low maximum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
St Petersburg	United States	Record high minimum temperature	28.9 C (84.0 F)	38 of 100 (Notable)
Rochester	United States	Record high maximum temperature	33.9 C (93.0 F)	38 of 100 (Notable)
Detour Village	United States	Record low maximum temperature	16.7 C (62.1 F)	38 of 100 (Notable)
Rantoul	United States	Record high maximum temperature	37.2 C (99.0 F)	38 of 100 (Notable)
Nalcik	Russia	Record daily precipitation	46.2 mm (1.8 in)	37 of 100 (Notable)
Toms River	United States	Record high maximum temperature	37.2 C (99.0 F)	37 of 100 (Notable)
Sharon	United States	Record daily precipitation	54.6 mm (2.1 in)	37 of 100 (Notable)
Fredericksburg	United States	Record low maximum temperature	28.9 C (84.0 F)	37 of 100 (Notable)
Zapata 1 S	United States	Record daily precipitation	30.2 mm (1.2 in)	37 of 100 (Notable)
San Felipe Orizatlan (Smn)	Mexico	Record daily precipitation	165.4 mm (6.5 in)	36 of 100 (Notable)
Lampazos (Smn)	Mexico	Record low maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
El Barretal I	Mexico	Record daily precipitation	57.9 mm (2.3 in)	36 of 100 (Notable)
Valparaiso Wtr Wks	United States	Record high minimum temperature	24.4 C (75.9 F)	36 of 100 (Notable)
Raymond Border STN	United States	Record daily precipitation	39.4 mm (1.6 in)	36 of 100 (Notable)
Wibaux 2 E	United States	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Beeville 5 NE	United States	Record daily precipitation	40.1 mm (1.6 in)	36 of 100 (Notable)
San Saba	United States	Record low maximum temperature	28.9 C (84.0 F)	36 of 100 (Notable)
Abritas	Mexico	Record daily precipitation	140.0 mm (5.5 in)	35 of 100 (Notable)
Sorocinsk	Russia	Record daily precipitation	33.8 mm (1.3 in)	35 of 100 (Notable)
Feodosiia	Ukraine	Record daily precipitation	32.8 mm (1.3 in)	35 of 100 (Notable)
Iowa City	United States	Record high minimum temperature	24.4 C (75.9 F)	35 of 100 (Notable)
Terry 21 NNW	United States	Record daily precipitation	45.0 mm (1.8 in)	35 of 100 (Notable)
Park River	United States	Record daily precipitation	29.2 mm (1.1 in)	35 of 100 (Notable)
Cadiz	United States	Record high minimum temperature	21.7 C (71.1 F)	35 of 100 (Notable)
Beeville 5 NE	United States	Record low maximum temperature	26.1 C (79.0 F)	35 of 100 (Notable)
Brackettville	United States	Record low maximum temperature	27.8 C (82.0 F)	35 of 100 (Notable)
Robstown	United States	Record daily precipitation	31.8 mm (1.3 in)	35 of 100 (Notable)
Weslaco	United States	Record daily precipitation	30.0 mm (1.2 in)	35 of 100 (Notable)
La Desembocada	Mexico	Record daily precipitation	123.4 mm (4.9 in)	34 of 100 (Routine)
Calaveras Big Trees	United States	Record daily precipitation	33.8 mm (1.3 in)	34 of 100 (Routine)

Counts by Type and Timescale

1,129 records

Records set or tied on 30 June 1991 by type: Highest daily maximum 192, Lowest daily maximum 163, Highest daily minimum 347, Lowest daily minimum 104, Heaviest daily rainfall 323.

Records on 30 June 1991 by type
Record type	Records
Highest daily maximum	192
Lowest daily maximum	163
Highest daily minimum	347
Lowest daily minimum	104
Heaviest daily rainfall	323
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 June 1991 by timescale: all-time 8, monthly 56, daily 1,065.

How Much Records Were Beaten By

850 broken records

Margins by which the 850 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 97.1. Ties are not counted.

Top 20 by Significance

30 June 1991

Top 20 records on 30 June 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 June 1991	Las Gaviotas, MX	all-time rain	233.9 mm (9.2 in)	67.8 mm (2.7 in)	35 years	65 of 100 (Major)
30 June 1991	Rio Grande City, US	daily rain	69.6 mm (2.7 in)	58.9 mm (2.3 in)	46 years	59 of 100 (Notable)
30 June 1991	Sattahip, TH	daily rain	89.9 mm (3.5 in)	68.8 mm (2.7 in)	36 years	54 of 100 (Notable)
30 June 1991	Los Limones (Cfe), MX	all-time rain	126.0 mm (5.0 in)	25.2 mm (1.0 in)	35 years	53 of 100 (Notable)
30 June 1991	Suchixtlahuaca -Quiotep-, MX	daily rain	79.8 mm (3.1 in)	61.0 mm (2.4 in)	28 years	51 of 100 (Notable)
30 June 1991	Malmo_2, SE	daily rain	41.0 mm (1.6 in)	28.7 mm (1.1 in)	8 years	49 of 100 (Notable)
30 June 1991	Fargo Hector Intl AP, US	daily rain	59.2 mm (2.3 in)	31.5 mm (1.2 in)	32 years	49 of 100 (Notable)
30 June 1991	Eureka, US	daily rain	60.7 mm (2.4 in)	16.8 mm (0.7 in)	81 years	48 of 100 (Notable)
30 June 1991	Akita, JP	daily rain	72.9 mm (2.9 in)	41.3 mm (1.6 in)	38 years	46 of 100 (Notable)
30 June 1991	Tlanchinol (Smn), MX	daily rain	130.8 mm (5.1 in)	84.3 mm (3.3 in)	42 years	46 of 100 (Notable)
30 June 1991	Wauchula, US	daily rain	127.0 mm (5.0 in)	58.9 mm (2.3 in)	56 years	46 of 100 (Notable)
30 June 1991	Hysham 25 SSE, US	daily rain	34.0 mm (1.3 in)	28.4 mm (1.1 in)	17 years	45 of 100 (Notable)
30 June 1991	Upham 3 N, US	daily rain	52.3 mm (2.1 in)	35.3 mm (1.4 in)	36 years	45 of 100 (Notable)
30 June 1991	Rantoul, US	all-time high min	27.8 C (82.0 F)	2.2 C (4.0 F)	39 years	45 of 100 (Notable)
30 June 1991	Paraiso, PR	daily rain	104.1 mm (4.1 in)	58.4 mm (2.3 in)	8 years	44 of 100 (Notable)
30 June 1991	Presa Venustiano Carranza, MX	daily rain	39.9 mm (1.6 in)	39.9 mm (1.6 in)	44 years	42 of 100 (Notable)
30 June 1991	Culbertson, US	daily rain	48.0 mm (1.9 in)	9.9 mm (0.39 in)	80 years	42 of 100 (Notable)
30 June 1991	Weslaco, US	daily low max	27.2 C (81.0 F)	3.4 C (6.1 F)	64 years	42 of 100 (Notable)
30 June 1991	Hidalgo (Dge), MX	daily rain	80.8 mm (3.2 in)	79.3 mm (3.1 in)	21 years	41 of 100 (Notable)
30 June 1991	Vladikavkaz, RU	daily high min	19.8 C (67.6 F)	0.6 C (1.1 F)	98 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

1826 to 1991

Records set or tied on this calendar date in each year from 1826 to 1991. 1991 had 1,129 records.

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

Records on 06-30 in each year
Year	Records
1826	1
1832	1
1835	2
1843	2
1846	1
1848	2
1849	1
1853	1
1855	1
1857	1
1860	1
1863	1
1865	1
1869	1
1871	1
1873	1
1876	1
1879	2
1882	2
1883	3
1885	4
1886	1
1887	2
1888	2
1889	1
1890	3
1891	2
1892	1
1894	1
1895	1
1896	2
1897	6
1898	3
1899	4
1900	5
1901	9
1902	10
1903	8
1904	20
1905	23
1906	20
1907	12
1908	17
1909	39
1910	57
1911	12
1912	32
1913	99
1914	97
1915	40
1916	66
1917	39
1918	54
1919	72
1920	319
1921	121
1922	133
1923	309
1924	194
1925	113
1926	65
1927	240
1928	137
1929	213
1930	168
1931	774
1932	154
1933	571
1934	331
1935	347
1936	620
1937	458
1938	330
1939	438
1940	346
1941	341
1942	408
1943	790
1944	272
1945	671
1946	631
1947	487
1948	340
1949	403
1950	494
1951	517
1952	533
1953	404
1954	426
1955	432
1956	409
1957	592
1958	423
1959	948
1960	270
1961	351
1962	375
1963	560
1964	434
1965	240
1966	379
1967	414
1968	752
1969	459
1970	730
1971	459
1972	558
1973	623
1974	643
1975	414
1976	607
1977	662
1978	721
1979	601
1980	935
1981	838
1982	1,230
1983	752
1984	722
1985	829
1986	745
1987	1,044
1988	1,216
1989	953
1990	1,191
1991	1,129
1992	1,670
1993	711
1994	951
1995	1,354
1996	889
1997	938
1998	1,714
1999	910
2000	861
2001	778
2002	904
2003	896
2004	998
2005	1,526
2006	723
2007	736
2008	852
2009	1,052
2010	1,069
2011	1,057
2012	1,416
2013	963
2014	496
2015	1,018
2016	371
2017	642
2018	625
2019	1,042
2020	1,151
2021	1,442
2022	709
2023	531
2024	1,004
2025	858
2026	999

Download the Data

Data for records on 1991-06-30: 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	795
20 to 40	41
40 to 60	7
60 to 80	5
80 to 100	2