Weather Records on 31 July 1989

1,753 weather records were set or tied worldwide on 31 July 1989. Highest significance: Stromsfoss Sluse, NO.

Key Facts for 31 July 1989

On 31 July 1989, 1,753 weather records were set or tied at long-record stations worldwide.
286 were record highs and 345 were record lows, counting maximum and minimum temperature.
By timescale, 16 were all-time records, 121 monthly and 1,616 daily.
Stromsfoss Sluse set an all-time record daily precipitation of 79.2 mm (3.1 in) on 31 July 1989.
Across 155 earlier years (1804 to 2026) the same calendar date averaged 463 records.

Record Map

1,753 stations

1,753 station records on 31 July 1989 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 July 1989: highest significance records shown on the map
Station	Country	Type	Value	Significance
Stromsfoss Sluse	Norway	Record daily precipitation	79.2 mm (3.1 in)	70 of 100 (Major)
Jonsberg Landbruksskole	Norway	Record daily precipitation	77.1 mm (3.0 in)	70 of 100 (Major)
Kvikne I Osterdal	Norway	Record daily precipitation	63.3 mm (2.5 in)	70 of 100 (Major)
Franklin	United States	Record daily precipitation	64.8 mm (2.6 in)	66 of 100 (Major)
Roros	Norway	Record daily precipitation	60.0 mm (2.4 in)	65 of 100 (Major)
Rena - Haugedalen	Norway	Record daily precipitation	83.3 mm (3.3 in)	65 of 100 (Major)
Aursund	Norway	Record daily precipitation	78.0 mm (3.1 in)	63 of 100 (Major)
Jefferson City Wtp	United States	Record daily precipitation	69.6 mm (2.7 in)	63 of 100 (Major)
Muniz Freire (Dnos)	Brazil	Record daily precipitation	51.8 mm (2.0 in)	61 of 100 (Major)
Ibiuna	Brazil	Record daily precipitation	97.6 mm (3.8 in)	60 of 100 (Major)
Big Springs	United States	Record daily precipitation	66.5 mm (2.6 in)	60 of 100 (Major)
Weabonga (Monomeeth)	Australia	Record daily precipitation	36.8 mm (1.4 in)	59 of 100 (Notable)
Guaimbe	Brazil	Record daily precipitation	70.0 mm (2.8 in)	59 of 100 (Notable)
Horto Florestal	Brazil	Record daily precipitation	35.0 mm (1.4 in)	58 of 100 (Notable)
Campo Alegre	Brazil	Record daily precipitation	84.9 mm (3.3 in)	58 of 100 (Notable)
Oriente	Brazil	Record daily precipitation	85.5 mm (3.4 in)	58 of 100 (Notable)
Pedro Beicht	Brazil	Record daily precipitation	82.0 mm (3.2 in)	58 of 100 (Notable)
University	United States	Record daily precipitation	67.3 mm (2.6 in)	58 of 100 (Notable)
Usina Quatiara	Brazil	Record daily precipitation	106.0 mm (4.2 in)	57 of 100 (Notable)
Sao Francisco Xavier	Brazil	Record daily precipitation	46.5 mm (1.8 in)	57 of 100 (Notable)
Red Cloud	United States	Record daily precipitation	48.8 mm (1.9 in)	57 of 100 (Notable)
Mombaca	Brazil	Record daily precipitation	90.2 mm (3.6 in)	56 of 100 (Notable)
Noolook Well (Noolook Forest R	Australia	Record daily precipitation	64.0 mm (2.5 in)	55 of 100 (Notable)
Instituto Biologico	Brazil	Record daily precipitation	49.1 mm (1.9 in)	55 of 100 (Notable)
Kalmar_D	Sweden	Record daily precipitation	27.5 mm (1.1 in)	55 of 100 (Notable)
Maseskar	Sweden	Record daily precipitation	35.4 mm (1.4 in)	55 of 100 (Notable)
Visconde de Rio Claro	Brazil	Record daily precipitation	68.7 mm (2.7 in)	54 of 100 (Notable)
Comercio	Brazil	Record daily precipitation	52.2 mm (2.1 in)	54 of 100 (Notable)
Mairipora	Brazil	Record daily precipitation	56.9 mm (2.2 in)	54 of 100 (Notable)
Santa Isabel	Brazil	Record daily precipitation	55.7 mm (2.2 in)	54 of 100 (Notable)
Bairro Do Pinheiro	Brazil	Record daily precipitation	69.5 mm (2.7 in)	54 of 100 (Notable)
Lednik Phedchenko (Im. Gorbuno	Tajikistan	Record daily precipitation	40.3 mm (1.6 in)	54 of 100 (Notable)
Itatiba	Brazil	Record daily precipitation	55.6 mm (2.2 in)	53 of 100 (Notable)
Aguas da Prata	Brazil	Record daily precipitation	59.6 mm (2.3 in)	53 of 100 (Notable)
Guaicara	Brazil	Record daily precipitation	87.2 mm (3.4 in)	53 of 100 (Notable)
Fazenda Sao Pedro	Brazil	Record daily precipitation	64.0 mm (2.5 in)	53 of 100 (Notable)
Aracatuba	Brazil	Record daily precipitation	70.3 mm (2.8 in)	53 of 100 (Notable)
Socorro	Brazil	Record daily precipitation	48.6 mm (1.9 in)	53 of 100 (Notable)
Morungaba	Brazil	Record daily precipitation	61.0 mm (2.4 in)	53 of 100 (Notable)
Jau (Cpef)	Brazil	Record daily precipitation	79.6 mm (3.1 in)	53 of 100 (Notable)
Alferes	Brazil	Record daily precipitation	37.1 mm (1.5 in)	53 of 100 (Notable)
Mairinque	Brazil	Record daily precipitation	51.2 mm (2.0 in)	53 of 100 (Notable)
Itapeva	Brazil	Record daily precipitation	66.1 mm (2.6 in)	53 of 100 (Notable)
Plaisance (Mauritiu	Mauritius	Record daily precipitation	85.5 mm (3.4 in)	53 of 100 (Notable)
Lunner	Norway	Record daily precipitation	48.5 mm (1.9 in)	53 of 100 (Notable)
Skultuna	Sweden	Record daily precipitation	49.6 mm (2.0 in)	53 of 100 (Notable)
Lebo	United States	Record daily precipitation	71.6 mm (2.8 in)	53 of 100 (Notable)
Long Is 1N	United States	Record daily precipitation	72.9 mm (2.9 in)	53 of 100 (Notable)
Tenterden (Balook)	Australia	Record daily precipitation	46.0 mm (1.8 in)	52 of 100 (Notable)
Santa Sofia	Brazil	Record daily precipitation	53.9 mm (2.1 in)	52 of 100 (Notable)
Usina Tamoio (Bela Vista)	Brazil	Record daily precipitation	64.5 mm (2.5 in)	52 of 100 (Notable)
Salto Grande (Cpfl)	Brazil	Record daily precipitation	62.1 mm (2.4 in)	52 of 100 (Notable)
Usina Americana (Cpfl)	Brazil	Record daily precipitation	52.0 mm (2.0 in)	52 of 100 (Notable)
Grauna	Brazil	Record daily precipitation	57.7 mm (2.3 in)	52 of 100 (Notable)
Mineiros Do Tiete (Cpef)	Brazil	Record daily precipitation	69.1 mm (2.7 in)	52 of 100 (Notable)
Itatiba	Brazil	Record daily precipitation	57.1 mm (2.2 in)	52 of 100 (Notable)
Leroy 5 WSW	United States	Record daily precipitation	62.7 mm (2.5 in)	52 of 100 (Notable)
New Straitsville	United States	Record daily precipitation	72.4 mm (2.9 in)	52 of 100 (Notable)
Woolsthorpe	Australia	Record daily precipitation	30.0 mm (1.2 in)	51 of 100 (Notable)
Rifaina	Brazil	Record daily precipitation	40.5 mm (1.6 in)	51 of 100 (Notable)

Counts by Type and Timescale

1,753 records

Records set or tied on 31 July 1989 by type: Highest daily maximum 136, Lowest daily maximum 225, Highest daily minimum 150, Lowest daily minimum 120, Heaviest daily rainfall 1,122.

Records on 31 July 1989 by type
Record type	Records
Highest daily maximum	136
Lowest daily maximum	225
Highest daily minimum	150
Lowest daily minimum	120
Heaviest daily rainfall	1,122
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 July 1989 by timescale: all-time 16, monthly 121, daily 1,616.

How Much Records Were Beaten By

1,559 broken records

Margins by which the 1,559 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 68.9. Ties are not counted.

Top 20 by Significance

31 July 1989

Top 20 records on 31 July 1989 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 July 1989	Stromsfoss Sluse, NO	all-time rain	79.2 mm (3.1 in)	21.2 mm (0.8 in)	42 years	70 of 100 (Major)
31 July 1989	Jonsberg Landbruksskole, NO	all-time rain	77.1 mm (3.0 in)	31.2 mm (1.2 in)	24 years	70 of 100 (Major)
31 July 1989	Kvikne I Osterdal, NO	all-time rain	63.3 mm (2.5 in)	21.3 mm (0.8 in)	29 years	70 of 100 (Major)
31 July 1989	Franklin, US	daily rain	64.8 mm (2.6 in)	47.0 mm (1.9 in)	74 years	66 of 100 (Major)
31 July 1989	Roros, NO	monthly rain	60.0 mm (2.4 in)	14.4 mm (0.6 in)	68 years	65 of 100 (Major)
31 July 1989	Rena - Haugedalen, NO	all-time rain	83.3 mm (3.3 in)	33.5 mm (1.3 in)	8 years	65 of 100 (Major)
31 July 1989	Aursund, NO	all-time rain	78.0 mm (3.1 in)	30.0 mm (1.2 in)	0 years	63 of 100 (Major)
31 July 1989	Jefferson City Wtp, US	daily rain	69.6 mm (2.7 in)	51.6 mm (2.0 in)	63 years	63 of 100 (Major)
31 July 1989	Muniz Freire (Dnos), BR	monthly rain	51.8 mm (2.0 in)	26.8 mm (1.1 in)	25 years	61 of 100 (Major)
31 July 1989	Ibiuna, BR	monthly rain	97.6 mm (3.8 in)	41.4 mm (1.6 in)	17 years	60 of 100 (Major)
31 July 1989	Big Springs, US	daily rain	66.5 mm (2.6 in)	35.0 mm (1.4 in)	70 years	60 of 100 (Major)
31 July 1989	Weabonga (Monomeeth), AU	daily rain	36.8 mm (1.4 in)	25.9 mm (1.0 in)	86 years	59 of 100 (Notable)
31 July 1989	Guaimbe, BR	monthly rain	70.0 mm (2.8 in)	34.9 mm (1.4 in)	17 years	59 of 100 (Notable)
31 July 1989	Horto Florestal, BR	daily rain	35.0 mm (1.4 in)	35.0 mm (1.4 in)	48 years	58 of 100 (Notable)
31 July 1989	Campo Alegre, BR	monthly rain	84.9 mm (3.3 in)	35.6 mm (1.4 in)	32 years	58 of 100 (Notable)
31 July 1989	Oriente, BR	monthly rain	85.5 mm (3.4 in)	35.5 mm (1.4 in)	40 years	58 of 100 (Notable)
31 July 1989	Pedro Beicht, BR	monthly rain	82.0 mm (3.2 in)	25.1 mm (1.0 in)	13 years	58 of 100 (Notable)
31 July 1989	University, US	daily rain	67.3 mm (2.6 in)	34.3 mm (1.4 in)	87 years	58 of 100 (Notable)
31 July 1989	Usina Quatiara, BR	monthly rain	106.0 mm (4.2 in)	50.8 mm (2.0 in)	13 years	57 of 100 (Notable)
31 July 1989	Sao Francisco Xavier, BR	daily rain	46.5 mm (1.8 in)	41.3 mm (1.6 in)	42 years	57 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

1804 to 1989

Records set or tied on this calendar date in each year from 1804 to 1989. 1989 had 1,753 records.

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

Records on 07-31 in each year
Year	Records
1804	1
1815	1
1816	1
1828	1
1834	1
1839	1
1840	1
1841	2
1851	1
1858	2
1860	4
1863	1
1866	1
1873	2
1876	1
1879	1
1884	1
1885	1
1886	1
1887	5
1889	2
1890	2
1891	1
1892	1
1893	3
1894	2
1896	2
1897	2
1898	5
1900	1
1901	3
1902	4
1903	16
1904	12
1905	10
1906	14
1907	17
1908	22
1909	15
1910	21
1911	29
1912	14
1913	31
1914	28
1915	71
1916	63
1917	126
1918	39
1919	27
1920	168
1921	112
1922	24
1923	236
1924	97
1925	349
1926	226
1927	161
1928	145
1929	134
1930	143
1931	441
1932	314
1933	504
1934	449
1935	418
1936	548
1937	297
1938	417
1939	357
1940	415
1941	323
1942	342
1943	342
1944	312
1945	499
1946	426
1947	341
1948	341
1949	406
1950	511
1951	364
1952	472
1953	414
1954	459
1955	813
1956	574
1957	268
1958	374
1959	424
1960	622
1961	504
1962	348
1963	294
1964	637
1965	858
1966	606
1967	326
1968	637
1969	440
1970	576
1971	1,850
1972	667
1973	583
1974	363
1975	1,386
1976	530
1977	543
1978	754
1979	501
1980	1,047
1981	672
1982	767
1983	901
1984	777
1985	1,065
1986	1,021
1987	934
1988	940
1989	1,753
1990	911
1991	647
1992	1,169
1993	1,031
1994	1,207
1995	1,223
1996	1,084
1997	984
1998	1,195
1999	1,643
2000	1,001
2001	1,414
2002	1,080
2003	1,157
2004	779
2005	742
2006	1,405
2007	1,023
2008	911
2009	1,156
2010	1,485
2011	1,040
2012	712
2013	469
2014	1,000
2015	948
2016	501
2017	485
2018	1,135
2019	551
2020	1,034
2021	1,020
2022	861
2023	671
2024	748
2025	836
2026	754

Download the Data

Data for records on 1989-07-31: 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 10	982
10 to 20	288
20 to 30	163
30 to 40	69
40 to 50	40
50 to 60	14
60 to 70	3