Weather Records on 31 August 1980

701 weather records were set or tied worldwide on 31 August 1980. Highest significance: Rochester, US.

Key Facts for 31 August 1980

On 31 August 1980, 701 weather records were set or tied at long-record stations worldwide.
252 were record highs and 184 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 17 monthly and 683 daily.
Rochester set a daily record precipitation of 73.7 mm (2.9 in) on 31 August 1980.
Across 165 earlier years (1796 to 2026) the same calendar date averaged 434 records.

Record Map

701 stations

701 station records on 31 August 1980 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 August 1980: highest significance records shown on the map
Station	Country	Type	Value	Significance
Rochester	United States	Record daily precipitation	73.7 mm (2.9 in)	65 of 100 (Major)
Purepero	Mexico	Record daily precipitation	169.9 mm (6.7 in)	63 of 100 (Major)
Centerville	United States	Record daily precipitation	106.4 mm (4.2 in)	62 of 100 (Major)
Windermere (Acacia House)	Australia	Record daily precipitation	67.2 mm (2.6 in)	59 of 100 (Notable)
Streator 2SE	United States	Record daily precipitation	104.1 mm (4.1 in)	58 of 100 (Notable)
Grenfell	Canada	Record daily precipitation	43.2 mm (1.7 in)	54 of 100 (Notable)
Bedford	United States	Record daily precipitation	120.7 mm (4.8 in)	53 of 100 (Notable)
Mt Ayr	United States	Record daily precipitation	124.5 mm (4.9 in)	52 of 100 (Notable)
Port Hope	Canada	Record daily precipitation	30.9 mm (1.2 in)	51 of 100 (Notable)
Lamoni	United States	Record daily precipitation	120.9 mm (4.8 in)	50 of 100 (Notable)
Auce	Latvia	Record daily precipitation	42.0 mm (1.7 in)	49 of 100 (Notable)
Ugut	Russia	Record daily precipitation	43.7 mm (1.7 in)	49 of 100 (Notable)
Chernivtsi	Ukraine	Record daily precipitation	42.9 mm (1.7 in)	49 of 100 (Notable)
Brocken	Germany	Record daily precipitation	66.4 mm (2.6 in)	48 of 100 (Notable)
Axel	Netherlands	Record daily precipitation	33.5 mm (1.3 in)	47 of 100 (Notable)
Galesburg	United States	Record daily precipitation	86.4 mm (3.4 in)	47 of 100 (Notable)
Sigourney	United States	Record daily precipitation	62.2 mm (2.4 in)	46 of 100 (Notable)
Windsor A	Canada	Record daily precipitation	50.8 mm (2.0 in)	44 of 100 (Notable)
Monmouth	United States	Record daily precipitation	72.1 mm (2.8 in)	43 of 100 (Notable)
Ft Bayard 4W	United States	Record low minimum temperature	3.9 C (39.0 F)	43 of 100 (Notable)
Fichtelberg	Germany	Record daily precipitation	36.0 mm (1.4 in)	41 of 100 (Notable)
Teriberka	Russia	Record low minimum temperature	-0.8 C (30.6 F)	41 of 100 (Notable)
Bloomfield	United States	Record daily precipitation	75.2 mm (3.0 in)	41 of 100 (Notable)
Kalispell	United States	Record daily precipitation	28.7 mm (1.1 in)	40 of 100 (Notable)
Clarinda	United States	Record daily precipitation	118.1 mm (4.6 in)	39 of 100 (Notable)
Elmo 1 SW	United States	Record daily precipitation	76.2 mm (3.0 in)	39 of 100 (Notable)
Keosauqua	United States	Record daily precipitation	73.2 mm (2.9 in)	37 of 100 (Notable)
Sydney (Observatory Hill)	Australia	Record high minimum temperature	17.3 C (63.1 F)	36 of 100 (Notable)
Tiskilwa 2 SE	United States	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Tahlequah	United States	Record high minimum temperature	24.4 C (75.9 F)	36 of 100 (Notable)
Manangatang (Eureka East)	Australia	Record daily precipitation	44.0 mm (1.7 in)	35 of 100 (Notable)
Findlay Wpcc	United States	Record daily precipitation	47.0 mm (1.9 in)	35 of 100 (Notable)
Nevada Wtp	United States	Record high minimum temperature	25.6 C (78.1 F)	34 of 100 (Routine)
Mundo Novo	Brazil	Record daily precipitation	25.2 mm (1.0 in)	33 of 100 (Routine)
Tepatitlan	Mexico	Record daily precipitation	42.9 mm (1.7 in)	33 of 100 (Routine)
Titusville	United States	Record high minimum temperature	26.7 C (80.1 F)	33 of 100 (Routine)
Bloomfield	Canada	Record daily precipitation	49.2 mm (1.9 in)	32 of 100 (Routine)
Ottawa 4SW	United States	Record daily precipitation	67.3 mm (2.6 in)	32 of 100 (Routine)
Auburn 2 SSE	United States	Record daily precipitation	26.7 mm (1.1 in)	32 of 100 (Routine)
Chariton 1 E	United States	Record daily precipitation	84.3 mm (3.3 in)	32 of 100 (Routine)
Princeton	United States	Record daily precipitation	53.3 mm (2.1 in)	32 of 100 (Routine)
Tulsa Intl AP	United States	Record high minimum temperature	28.9 C (84.0 F)	32 of 100 (Routine)
Schierke	Germany	Record daily precipitation	31.6 mm (1.2 in)	31 of 100 (Routine)
Rijeka	Croatia	Record daily precipitation	94.5 mm (3.7 in)	31 of 100 (Routine)
Surgut	Russia	Record daily precipitation	29.8 mm (1.2 in)	31 of 100 (Routine)
Gladstone L/D 18	United States	Record daily precipitation	74.9 mm (2.9 in)	31 of 100 (Routine)
Warsaw	United States	Record daily precipitation	64.8 mm (2.6 in)	31 of 100 (Routine)
Winamac 2SSE	United States	Record daily precipitation	87.6 mm (3.4 in)	31 of 100 (Routine)
Yates Ctr	United States	Record high minimum temperature	23.9 C (75.0 F)	31 of 100 (Routine)
Wrixum/Fohr	Germany	Record low maximum temperature	14.4 C (57.9 F)	30 of 100 (Routine)
Kurgan-Tyube	Tajikistan	Record high minimum temperature	20.9 C (69.6 F)	30 of 100 (Routine)
Plymouth Pwr Substn	United States	Record daily precipitation	40.9 mm (1.6 in)	30 of 100 (Routine)
Howard 2SE	United States	Record high minimum temperature	23.9 C (75.0 F)	30 of 100 (Routine)
Monticello 2E	United States	Record low minimum temperature	1.7 C (35.1 F)	30 of 100 (Routine)
Vajda-Guba	Russia	Record low minimum temperature	-1.8 C (28.8 F)	29 of 100 (Routine)
Aurora Water	United States	Record daily precipitation	29.0 mm (1.1 in)	29 of 100 (Routine)
Fairfield	United States	Record daily precipitation	52.6 mm (2.1 in)	29 of 100 (Routine)
Independence	United States	Record high minimum temperature	23.9 C (75.0 F)	29 of 100 (Routine)
Neosho	United States	Record high minimum temperature	23.3 C (73.9 F)	29 of 100 (Routine)
Lake Placid 2 S	United States	Record daily precipitation	34.3 mm (1.4 in)	29 of 100 (Routine)

Counts by Type and Timescale

701 records

Records set or tied on 31 August 1980 by type: Highest daily maximum 57, Lowest daily maximum 119, Highest daily minimum 195, Lowest daily minimum 65, Heaviest daily rainfall 262, Heaviest daily snowfall 1, Deepest snow cover 2.

Records on 31 August 1980 by type
Record type	Records
Highest daily maximum	57
Lowest daily maximum	119
Highest daily minimum	195
Lowest daily minimum	65
Heaviest daily rainfall	262
Heaviest daily snowfall	1
Deepest snow cover	2

Records on 31 August 1980 by timescale: all-time 1, monthly 17, daily 683.

How Much Records Were Beaten By

555 broken records

Margins by which the 555 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 300.0. Ties are not counted.

Top 20 by Significance

31 August 1980

Top 20 records on 31 August 1980 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 August 1980	Rochester, US	daily rain	73.7 mm (2.9 in)	48.3 mm (1.9 in)	75 years	65 of 100 (Major)
31 August 1980	Purepero, MX	all-time rain	169.9 mm (6.7 in)	83.0 mm (3.3 in)	0 years	63 of 100 (Major)
31 August 1980	Centerville, US	daily rain	106.4 mm (4.2 in)	89.1 mm (3.5 in)	48 years	62 of 100 (Major)
31 August 1980	Windermere (Acacia House), AU	monthly rain	67.2 mm (2.6 in)	23.3 mm (0.9 in)	44 years	59 of 100 (Notable)
31 August 1980	Streator 2SE, US	daily rain	104.1 mm (4.1 in)	80.0 mm (3.1 in)	36 years	58 of 100 (Notable)
31 August 1980	Grenfell, CA	daily rain	43.2 mm (1.7 in)	19.6 mm (0.8 in)	75 years	54 of 100 (Notable)
31 August 1980	Bedford, US	daily rain	120.7 mm (4.8 in)	67.9 mm (2.7 in)	18 years	53 of 100 (Notable)
31 August 1980	Mt Ayr, US	daily rain	124.5 mm (4.9 in)	83.9 mm (3.3 in)	15 years	52 of 100 (Notable)
31 August 1980	Port Hope, CA	daily rain	30.9 mm (1.2 in)	17.2 mm (0.7 in)	91 years	51 of 100 (Notable)
31 August 1980	Lamoni, US	daily rain	120.9 mm (4.8 in)	67.6 mm (2.7 in)	8 years	50 of 100 (Notable)
31 August 1980	Auce, LV	daily rain	42.0 mm (1.7 in)	28.9 mm (1.1 in)	18 years	49 of 100 (Notable)
31 August 1980	Ugut, RU	daily rain	43.7 mm (1.7 in)	34.0 mm (1.3 in)	22 years	49 of 100 (Notable)
31 August 1980	Chernivtsi, UA	daily rain	42.9 mm (1.7 in)	31.3 mm (1.2 in)	33 years	49 of 100 (Notable)
31 August 1980	Brocken, DE	daily rain	66.4 mm (2.6 in)	44.4 mm (1.7 in)	2 years	48 of 100 (Notable)
31 August 1980	Axel, NL	daily rain	33.5 mm (1.3 in)	12.0 mm (0.5 in)	75 years	47 of 100 (Notable)
31 August 1980	Galesburg, US	daily rain	86.4 mm (3.4 in)	52.6 mm (2.1 in)	22 years	47 of 100 (Notable)
31 August 1980	Sigourney, US	daily rain	62.2 mm (2.4 in)	50.3 mm (2.0 in)	12 years	46 of 100 (Notable)
31 August 1980	Windsor A, CA	daily rain	50.8 mm (2.0 in)	34.8 mm (1.4 in)	30 years	44 of 100 (Notable)
31 August 1980	Monmouth, US	daily rain	72.1 mm (2.8 in)	42.4 mm (1.7 in)	22 years	43 of 100 (Notable)
31 August 1980	Ft Bayard 4W, US	daily low min	3.9 C (39.0 F)	3.3 C (5.9 F)	65 years	43 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

1796 to 1980

Records set or tied on this calendar date in each year from 1796 to 1980. 1980 had 701 records.

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

Records on 08-31 in each year
Year	Records
1796	1
1806	1
1807	2
1813	1
1814	1
1816	1
1827	1
1836	1
1846	1
1849	1
1851	1
1856	2
1858	1
1859	1
1860	1
1861	1
1863	1
1867	1
1869	1
1873	1
1875	1
1876	1
1877	2
1879	2
1881	3
1882	2
1885	1
1886	5
1887	1
1889	1
1890	2
1892	3
1893	1
1894	1
1895	1
1896	1
1897	5
1898	10
1899	4
1900	3
1901	5
1902	5
1903	16
1904	13
1905	8
1906	47
1907	6
1908	12
1909	39
1910	20
1911	31
1912	34
1913	40
1914	23
1915	71
1916	7
1917	60
1918	58
1919	25
1920	46
1921	86
1922	58
1923	63
1924	232
1925	111
1926	148
1927	103
1928	201
1929	300
1930	243
1931	192
1932	807
1933	424
1934	381
1935	540
1936	226
1937	508
1938	324
1939	296
1940	400
1941	528
1942	422
1943	650
1944	638
1945	572
1946	545
1947	473
1948	367
1949	409
1950	662
1951	910
1952	388
1953	1,054
1954	633
1955	539
1956	734
1957	317
1958	417
1959	496
1960	366
1961	625
1962	432
1963	415
1964	591
1965	886
1966	830
1967	952
1968	562
1969	474
1970	558
1971	326
1972	287
1973	793
1974	587
1975	658
1976	732
1977	621
1978	891
1979	400
1980	701
1981	692
1982	586
1983	788
1984	866
1985	854
1986	1,218
1987	836
1988	570
1989	622
1990	966
1991	848
1992	1,274
1993	1,286
1994	1,139
1995	1,077
1996	1,451
1997	943
1998	1,163
1999	988
2000	1,545
2001	944
2002	852
2003	1,232
2004	963
2005	1,782
2006	1,147
2007	1,110
2008	870
2009	1,224
2010	1,490
2011	994
2012	932
2013	771
2014	458
2015	1,074
2016	599
2017	596
2018	366
2019	781
2020	737
2021	553
2022	1,191
2023	600
2024	766
2025	307
2026	595

Download the Data

Data for records on 1980-08-31: 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 50	546
50 to 100	8
100 to 150	0
150 to 200	0
200 to 250	0
250 to 300	1