Weather Records on 19 August 1991

656 weather records were set or tied worldwide on 19 August 1991. Highest significance: Haverhill, US.

Key Facts for 19 August 1991

On 19 August 1991, 656 weather records were set or tied at long-record stations worldwide.
329 were record highs and 121 were record lows, counting maximum and minimum temperature.
By timescale, 7 were all-time records, 28 monthly and 621 daily.
Haverhill set a monthly record daily precipitation of 151.9 mm (6.0 in) on 19 August 1991.
Across 168 earlier years (1797 to 2026) the same calendar date averaged 438 records.

Record Map

656 stations

656 station records on 19 August 1991 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 19 August 1991: highest significance records shown on the map
Station	Country	Type	Value	Significance
Haverhill	United States	Record daily precipitation	151.9 mm (6.0 in)	70 of 100 (Major)
Fremont 5 NW	United States	Record daily precipitation	36.6 mm (1.4 in)	70 of 100 (Major)
Ashburnham	United States	Record daily precipitation	136.4 mm (5.4 in)	68 of 100 (Major)
Aurangabad Chikalth	India	Record daily precipitation	353.1 mm (13.9 in)	64 of 100 (Major)
Bedford	United States	Record daily precipitation	138.9 mm (5.5 in)	63 of 100 (Major)
Durham	United States	Record daily precipitation	132.8 mm (5.2 in)	63 of 100 (Major)
Hanover	United States	Record daily precipitation	51.1 mm (2.0 in)	61 of 100 (Major)
Riverhead Rsch Farm	United States	Record daily precipitation	140.2 mm (5.5 in)	58 of 100 (Notable)
Augusta State AP	United States	Record daily precipitation	114.3 mm (4.5 in)	58 of 100 (Notable)
Khon Kaen	Thailand	Record daily precipitation	196.1 mm (7.7 in)	57 of 100 (Notable)
Groton	United States	Record daily precipitation	116.1 mm (4.6 in)	56 of 100 (Notable)
Shippensburg	United States	Record daily precipitation	71.1 mm (2.8 in)	55 of 100 (Notable)
Patchogue 2 N	United States	Record daily precipitation	146.3 mm (5.8 in)	54 of 100 (Notable)
Eastport	United States	Record daily precipitation	47.2 mm (1.9 in)	51 of 100 (Notable)
Rumford 1 SSE	United States	Record daily precipitation	87.6 mm (3.4 in)	51 of 100 (Notable)
Reading	United States	Record daily precipitation	86.4 mm (3.4 in)	50 of 100 (Notable)
Adrian 2 NNE	United States	Record daily precipitation	68.6 mm (2.7 in)	50 of 100 (Notable)
Mt Washington	United States	Record daily precipitation	168.4 mm (6.6 in)	50 of 100 (Notable)
Totatiche	Mexico	Record low minimum temperature	5.0 C (41.0 F)	48 of 100 (Notable)
Brunswick NAS	United States	Record daily precipitation	112.3 mm (4.4 in)	48 of 100 (Notable)
Blue Hill Lcd	United States	Record daily precipitation	65.5 mm (2.6 in)	48 of 100 (Notable)
Silute	Lithuania	Record daily precipitation	65.1 mm (2.6 in)	46 of 100 (Notable)
Lake George 8 SW	United States	Record daily precipitation	41.1 mm (1.6 in)	46 of 100 (Notable)
Cambridge	United States	Record high minimum temperature	22.2 C (72.0 F)	46 of 100 (Notable)
Belfast	United States	Record daily precipitation	33.0 mm (1.3 in)	46 of 100 (Notable)
Hingham	United States	Record daily precipitation	67.8 mm (2.7 in)	46 of 100 (Notable)
Sedalia Wtp	United States	Record low minimum temperature	7.2 C (45.0 F)	46 of 100 (Notable)
Mt Sunapee	United States	Record daily precipitation	66.0 mm (2.6 in)	46 of 100 (Notable)
Tohmajarvi Kemie	Finland	Record daily precipitation	43.4 mm (1.7 in)	44 of 100 (Notable)
Setauket Strong	United States	Record daily precipitation	77.2 mm (3.0 in)	44 of 100 (Notable)
Kanas	Russia	Record daily precipitation	41.7 mm (1.6 in)	43 of 100 (Notable)
Middletown 2 NW	United States	Record daily precipitation	127.0 mm (5.0 in)	43 of 100 (Notable)
Los Mochis	Mexico	Record daily precipitation	69.1 mm (2.7 in)	42 of 100 (Notable)
Oshkosh	United States	Record low maximum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Portland Jetport	United States	Record daily precipitation	196.9 mm (7.8 in)	42 of 100 (Notable)
Heath	United States	Record daily precipitation	43.4 mm (1.7 in)	41 of 100 (Notable)
Windsor	United States	Record low minimum temperature	7.8 C (46.0 F)	41 of 100 (Notable)
Arlington	United States	Record high minimum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Saginaw Mbs Intl AP	United States	Record daily precipitation	35.8 mm (1.4 in)	41 of 100 (Notable)
Timovskoe	Russia	Record high minimum temperature	18.4 C (65.1 F)	40 of 100 (Notable)
Milford	United States	Record daily precipitation	122.9 mm (4.8 in)	40 of 100 (Notable)
Bridgehampton	United States	Record daily precipitation	178.8 mm (7.0 in)	40 of 100 (Notable)
Mineola	United States	Record daily precipitation	102.6 mm (4.0 in)	40 of 100 (Notable)
Hatton 9 SE	United States	Record high minimum temperature	22.2 C (72.0 F)	40 of 100 (Notable)
Santa Maria Do Jetiba (Dnos)	Brazil	Record daily precipitation	54.1 mm (2.1 in)	39 of 100 (Notable)
Waterville	United States	Record high minimum temperature	20.0 C (68.0 F)	39 of 100 (Notable)
Galveston	United States	Record high maximum temperature	35.0 C (95.0 F)	39 of 100 (Notable)
Park Rapids Muni AP	United States	Record low minimum temperature	2.8 C (37.0 F)	39 of 100 (Notable)
Eagle	United States	Record low maximum temperature	10.6 C (51.1 F)	37 of 100 (Notable)
Manati 2 E	Puerto Rico [United States]	Record high maximum temperature	35.0 C (95.0 F)	36 of 100 (Notable)
Middleton	United States	Record daily precipitation	101.1 mm (4.0 in)	36 of 100 (Notable)
Philipsburg 8 E	United States	Record daily precipitation	56.6 mm (2.2 in)	36 of 100 (Notable)
Igor I Sikorsky Mem AP	United States	Record daily precipitation	118.4 mm (4.7 in)	36 of 100 (Notable)
Temixco	Mexico	Record high maximum temperature	35.0 C (95.0 F)	35 of 100 (Notable)
Norwich Public Utility Plt	United States	Record daily precipitation	132.3 mm (5.2 in)	35 of 100 (Notable)
West Buxton 2 NNW	United States	Record daily precipitation	92.2 mm (3.6 in)	35 of 100 (Notable)
Pilot Rock 1 SE	United States	Record high minimum temperature	17.8 C (64.0 F)	35 of 100 (Notable)
Monclova (Dge)	Mexico	Record low maximum temperature	21.7 C (71.1 F)	34 of 100 (Routine)
Atil	Mexico	Record low minimum temperature	12.8 C (55.0 F)	34 of 100 (Routine)
Caribou WFO	United States	Record daily precipitation	54.4 mm (2.1 in)	34 of 100 (Routine)

Counts by Type and Timescale

656 records

Records set or tied on 19 August 1991 by type: Highest daily maximum 140, Lowest daily maximum 43, Highest daily minimum 189, Lowest daily minimum 78, Heaviest daily rainfall 206.

Records on 19 August 1991 by type
Record type	Records
Highest daily maximum	140
Lowest daily maximum	43
Highest daily minimum	189
Lowest daily minimum	78
Heaviest daily rainfall	206
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 19 August 1991 by timescale: all-time 7, monthly 28, daily 621.

How Much Records Were Beaten By

452 broken records

Margins by which the 452 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 195.6. Ties are not counted.

Top 20 by Significance

19 August 1991

Top 20 records on 19 August 1991 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
19 August 1991	Haverhill, US	monthly rain	151.9 mm (6.0 in)	76.5 mm (3.0 in)	36 years	70 of 100 (Major)
19 August 1991	Fremont 5 NW, US	monthly rain	36.6 mm (1.4 in)	14.2 mm (0.6 in)	75 years	70 of 100 (Major)
19 August 1991	Ashburnham, US	monthly rain	136.4 mm (5.4 in)	57.7 mm (2.3 in)	36 years	68 of 100 (Major)
19 August 1991	Aurangabad Chikalth, IN	all-time rain	353.1 mm (13.9 in)	195.6 mm (7.7 in)	0 years	64 of 100 (Major)
19 August 1991	Bedford, US	all-time rain	138.9 mm (5.5 in)	36.5 mm (1.4 in)	28 years	63 of 100 (Major)
19 August 1991	Durham, US	monthly rain	132.8 mm (5.2 in)	47.7 mm (1.9 in)	15 years	63 of 100 (Major)
19 August 1991	Hanover, US	daily rain	51.1 mm (2.0 in)	26.7 mm (1.1 in)	92 years	61 of 100 (Major)
19 August 1991	Riverhead Rsch Farm, US	daily rain	140.2 mm (5.5 in)	90.4 mm (3.6 in)	44 years	58 of 100 (Notable)
19 August 1991	Augusta State AP, US	monthly rain	114.3 mm (4.5 in)	47.8 mm (1.9 in)	15 years	58 of 100 (Notable)
19 August 1991	Khon Kaen, TH	all-time rain	196.1 mm (7.7 in)	49.5 mm (1.9 in)	8 years	57 of 100 (Notable)
19 August 1991	Groton, US	daily rain	116.1 mm (4.6 in)	80.0 mm (3.1 in)	40 years	56 of 100 (Notable)
19 August 1991	Shippensburg, US	daily rain	71.1 mm (2.8 in)	42.7 mm (1.7 in)	40 years	55 of 100 (Notable)
19 August 1991	Patchogue 2 N, US	daily rain	146.3 mm (5.8 in)	121.7 mm (4.8 in)	30 years	54 of 100 (Notable)
19 August 1991	Eastport, US	daily rain	47.2 mm (1.9 in)	19.8 mm (0.8 in)	80 years	51 of 100 (Notable)
19 August 1991	Rumford 1 SSE, US	daily rain	87.6 mm (3.4 in)	71.3 mm (2.8 in)	25 years	51 of 100 (Notable)
19 August 1991	Reading, US	daily rain	86.4 mm (3.4 in)	65.1 mm (2.6 in)	25 years	50 of 100 (Notable)
19 August 1991	Adrian 2 NNE, US	daily rain	68.6 mm (2.7 in)	17.8 mm (0.7 in)	86 years	50 of 100 (Notable)
19 August 1991	Mt Washington, US	monthly rain	168.4 mm (6.6 in)	54.4 mm (2.1 in)	2 years	50 of 100 (Notable)
19 August 1991	Totatiche, MX	monthly low min	5.0 C (41.0 F)	3.3 C (5.9 F)	37 years	48 of 100 (Notable)
19 August 1991	Brunswick NAS, US	daily rain	112.3 mm (4.4 in)	88.7 mm (3.5 in)	12 years	48 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

1797 to 1991

Records set or tied on this calendar date in each year from 1797 to 1991. 1991 had 656 records.

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

Records on 08-19 in each year
Year	Records
1797	2
1800	1
1809	1
1820	1
1830	2
1831	1
1838	2
1844	2
1845	1
1846	1
1849	2
1857	1
1861	1
1862	1
1864	2
1867	1
1870	2
1872	1
1873	1
1874	1
1875	2
1877	3
1879	1
1880	1
1881	1
1882	1
1883	2
1884	2
1885	2
1886	2
1887	2
1888	1
1889	1
1890	4
1892	5
1893	2
1894	2
1895	1
1896	2
1897	2
1898	3
1899	9
1900	5
1901	13
1902	4
1903	6
1904	14
1905	16
1906	37
1907	17
1908	5
1909	24
1910	17
1911	9
1912	18
1913	9
1914	39
1915	34
1916	74
1917	200
1918	33
1919	31
1920	36
1921	22
1922	71
1923	97
1924	174
1925	154
1926	179
1927	343
1928	112
1929	163
1930	182
1931	207
1932	373
1933	328
1934	438
1935	389
1936	679
1937	305
1938	321
1939	432
1940	687
1941	431
1942	308
1943	596
1944	259
1945	427
1946	427
1947	896
1948	371
1949	411
1950	893
1951	362
1952	475
1953	412
1954	576
1955	780
1956	831
1957	325
1958	374
1959	733
1960	864
1961	425
1962	419
1963	570
1964	455
1965	550
1966	1,095
1967	839
1968	948
1969	501
1970	468
1971	376
1972	547
1973	519
1974	466
1975	561
1976	1,144
1977	938
1978	863
1979	1,492
1980	648
1981	1,004
1982	596
1983	1,387
1984	598
1985	713
1986	848
1987	811
1988	982
1989	660
1990	871
1991	656
1992	1,094
1993	771
1994	798
1995	1,542
1996	800
1997	958
1998	717
1999	980
2000	954
2001	1,027
2002	1,389
2003	918
2004	1,310
2005	920
2006	850
2007	1,360
2008	1,186
2009	1,039
2010	1,440
2011	975
2012	1,377
2013	765
2014	701
2015	989
2016	931
2017	439
2018	471
2019	601
2020	1,271
2021	1,366
2022	1,198
2023	910
2024	568
2025	786
2026	755

Download the Data

Data for records on 1991-08-19: 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 25	416
25 to 50	22
50 to 75	8
75 to 100	4
100 to 125	1
125 to 150	0
150 to 175	0
175 to 200	1