Weather Records on 31 July 2020

1,034 weather records were set or tied worldwide on 31 July 2020. Highest significance: Jarensk, RU.

Key Facts for 31 July 2020

On 31 July 2020, 1,034 weather records were set or tied at long-record stations worldwide.
814 were record highs and 49 were record lows, counting maximum and minimum temperature.
By timescale, 16 were all-time records, 26 monthly and 992 daily.
Jarensk set a daily record precipitation of 49.0 mm (1.9 in) on 31 July 2020.
Across 155 earlier years (1804 to 2026) the same calendar date averaged 467 records.

Record Map

1,034 stations

1,034 station records on 31 July 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 July 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Jarensk	Russia	Record daily precipitation	49.0 mm (1.9 in)	67 of 100 (Major)
Tolka	Russia	Record daily precipitation	43.7 mm (1.7 in)	66 of 100 (Major)
Halenanaho 1006	United States	Record daily precipitation	59.9 mm (2.4 in)	66 of 100 (Major)
Clay Ctr	United States	Record daily precipitation	77.5 mm (3.1 in)	65 of 100 (Major)
Goychay	Azerbaijan	Record daily precipitation	99.3 mm (3.9 in)	62 of 100 (Major)
Cottonwood Falls	United States	Record daily precipitation	73.2 mm (2.9 in)	62 of 100 (Major)
Zakatala	Azerbaijan	Record daily precipitation	99.1 mm (3.9 in)	61 of 100 (Major)
Juncos 1 SE	Puerto Rico [United States]	Record daily precipitation	141.7 mm (5.6 in)	59 of 100 (Notable)
Corral Viejo	Puerto Rico [United States]	Record daily precipitation	171.5 mm (6.8 in)	55 of 100 (Notable)
Trujillo Alto 2 SSW	Puerto Rico [United States]	Record daily precipitation	213.6 mm (8.4 in)	54 of 100 (Notable)
Emeck	Russia	Record daily precipitation	30.0 mm (1.2 in)	54 of 100 (Notable)
Windsor	United States	Record daily precipitation	113.5 mm (4.5 in)	54 of 100 (Notable)
Kumbrabow	United States	Record daily precipitation	50.0 mm (2.0 in)	54 of 100 (Notable)
Oolitic Purdue Ex Fm	United States	Record daily precipitation	58.7 mm (2.3 in)	50 of 100 (Notable)
Jackson 3 NW	United States	Record daily precipitation	109.2 mm (4.3 in)	50 of 100 (Notable)
Guba	Azerbaijan	Record daily precipitation	99.6 mm (3.9 in)	49 of 100 (Notable)
Aibonito 1 S	Puerto Rico [United States]	Record daily precipitation	73.7 mm (2.9 in)	49 of 100 (Notable)
Kyzyl	Russia	Record daily precipitation	52.1 mm (2.1 in)	49 of 100 (Notable)
1 WSW Princeton	United States	Record daily precipitation	55.9 mm (2.2 in)	49 of 100 (Notable)
Williams 3 SW	United States	Record daily precipitation	90.9 mm (3.6 in)	49 of 100 (Notable)
N Fk 2	United States	Record daily precipitation	65.0 mm (2.6 in)	49 of 100 (Notable)
Oneida	United States	Record daily precipitation	81.0 mm (3.2 in)	47 of 100 (Notable)
Diredawa	Ethiopia	Record daily precipitation	72.9 mm (2.9 in)	46 of 100 (Notable)
Eastman 1 W	United States	Record high minimum temperature	26.1 C (79.0 F)	46 of 100 (Notable)
Dayton 1 WSW	United States	Record high minimum temperature	22.2 C (72.0 F)	46 of 100 (Notable)
Lewisburg 3 N	United States	Record daily precipitation	35.6 mm (1.4 in)	46 of 100 (Notable)
Cotulla la Salle Co AP	United States	Record daily precipitation	68.3 mm (2.7 in)	46 of 100 (Notable)
Uccle	Belgium	Record high maximum temperature	36.5 C (97.7 F)	45 of 100 (Notable)
Lecompton	United States	Record daily precipitation	57.2 mm (2.3 in)	45 of 100 (Notable)
Butler 4W	United States	Record daily precipitation	99.1 mm (3.9 in)	45 of 100 (Notable)
Thrall 3SSE	United States	Record daily precipitation	51.6 mm (2.0 in)	44 of 100 (Notable)
Heppner	United States	Record high minimum temperature	21.1 C (70.0 F)	44 of 100 (Notable)
Greeneville Exp STN	United States	Record high minimum temperature	22.2 C (72.0 F)	44 of 100 (Notable)
Odessa	United States	Record high minimum temperature	23.3 C (73.9 F)	44 of 100 (Notable)
Innsbruck	Austria	Record high minimum temperature	18.8 C (65.8 F)	43 of 100 (Notable)
Paradise	United States	Record high maximum temperature	37.8 C (100.0 F)	43 of 100 (Notable)
Sullivan 3S	United States	Record daily precipitation	77.2 mm (3.0 in)	43 of 100 (Notable)
Clifton	United States	Record daily precipitation	81.8 mm (3.2 in)	43 of 100 (Notable)
Waynesboro	United States	Record high minimum temperature	23.9 C (75.0 F)	43 of 100 (Notable)
Maradi	Niger	Record low minimum temperature	15.0 C (59.0 F)	42 of 100 (Notable)
Scottsboro	United States	Record high minimum temperature	23.9 C (75.0 F)	42 of 100 (Notable)
Crossett 2 SSE	United States	Record high minimum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Corydon	United States	Record daily precipitation	101.1 mm (4.0 in)	42 of 100 (Notable)
Waynesville 1 E	United States	Record high minimum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Duncan 10 W	United States	Record daily precipitation	57.4 mm (2.3 in)	42 of 100 (Notable)
Deseret	United States	Record high maximum temperature	40.6 C (105.1 F)	42 of 100 (Notable)
Fillmore	United States	Record high minimum temperature	23.9 C (75.0 F)	42 of 100 (Notable)
Huma	China	Record daily precipitation	100.8 mm (4.0 in)	41 of 100 (Notable)
Sabana Grande 2 ENE	Puerto Rico [United States]	Record daily precipitation	98.3 mm (3.9 in)	41 of 100 (Notable)
Parker	United States	Record high maximum temperature	48.3 C (118.9 F)	41 of 100 (Notable)
Holton	United States	Record low maximum temperature	23.9 C (75.0 F)	41 of 100 (Notable)
Marion Rsvr	United States	Record daily precipitation	70.4 mm (2.8 in)	41 of 100 (Notable)
Perry Lake	United States	Record daily precipitation	60.2 mm (2.4 in)	41 of 100 (Notable)
Osceola	United States	Record daily precipitation	211.1 mm (8.3 in)	41 of 100 (Notable)
Missoula 6 NW WFO	United States	Record high maximum temperature	38.9 C (102.0 F)	41 of 100 (Notable)
Kennewick	United States	Record high maximum temperature	42.2 C (108.0 F)	41 of 100 (Notable)
Osijek	Croatia	Record high minimum temperature	20.2 C (68.4 F)	40 of 100 (Notable)
Orly	France	Record high maximum temperature	39.5 C (103.1 F)	39 of 100 (Notable)
Coeur D'Alene	United States	Record high maximum temperature	39.4 C (102.9 F)	39 of 100 (Notable)
Pearisburg 4 SSE	United States	Record daily precipitation	44.2 mm (1.7 in)	39 of 100 (Notable)

Counts by Type and Timescale

1,034 records

Records set or tied on 31 July 2020 by type: Highest daily maximum 433, Lowest daily maximum 29, Highest daily minimum 381, Lowest daily minimum 20, Heaviest daily rainfall 171.

Records on 31 July 2020 by type
Record type	Records
Highest daily maximum	433
Lowest daily maximum	29
Highest daily minimum	381
Lowest daily minimum	20
Heaviest daily rainfall	171
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 July 2020 by timescale: all-time 16, monthly 26, daily 992.

How Much Records Were Beaten By

813 broken records

Margins by which the 813 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 107.5. Ties are not counted.

Top 20 by Significance

31 July 2020

Top 20 records on 31 July 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 July 2020	Jarensk, RU	daily rain	49.0 mm (1.9 in)	26.0 mm (1.0 in)	83 years	67 of 100 (Major)
31 July 2020	Tolka, RU	daily rain	43.7 mm (1.7 in)	29.3 mm (1.2 in)	72 years	66 of 100 (Major)
31 July 2020	Halenanaho 1006, US	daily rain	59.9 mm (2.4 in)	36.5 mm (1.4 in)	66 years	66 of 100 (Major)
31 July 2020	Clay Ctr, US	daily rain	77.5 mm (3.1 in)	40.7 mm (1.6 in)	111 years	65 of 100 (Major)
31 July 2020	Goychay, AZ	daily rain	99.3 mm (3.9 in)	92.4 mm (3.6 in)	48 years	62 of 100 (Major)
31 July 2020	Cottonwood Falls, US	daily rain	73.2 mm (2.9 in)	41.7 mm (1.6 in)	109 years	62 of 100 (Major)
31 July 2020	Zakatala, AZ	daily rain	99.1 mm (3.9 in)	86.1 mm (3.4 in)	53 years	61 of 100 (Major)
31 July 2020	Juncos 1 SE, PR	monthly rain	141.7 mm (5.6 in)	26.6 mm (1.0 in)	76 years	59 of 100 (Notable)
31 July 2020	Corral Viejo, PR	daily rain	171.5 mm (6.8 in)	107.5 mm (4.2 in)	34 years	55 of 100 (Notable)
31 July 2020	Trujillo Alto 2 SSW, PR	monthly rain	213.6 mm (8.4 in)	66.3 mm (2.6 in)	3 years	54 of 100 (Notable)
31 July 2020	Emeck, RU	daily rain	30.0 mm (1.2 in)	20.7 mm (0.8 in)	37 years	54 of 100 (Notable)
31 July 2020	Windsor, US	daily rain	113.5 mm (4.5 in)	38.6 mm (1.5 in)	62 years	54 of 100 (Notable)
31 July 2020	Kumbrabow, US	daily rain	50.0 mm (2.0 in)	28.4 mm (1.1 in)	74 years	54 of 100 (Notable)
31 July 2020	Oolitic Purdue Ex Fm, US	daily rain	58.7 mm (2.3 in)	30.3 mm (1.2 in)	62 years	50 of 100 (Notable)
31 July 2020	Jackson 3 NW, US	monthly rain	109.2 mm (4.3 in)	13.7 mm (0.5 in)	65 years	50 of 100 (Notable)
31 July 2020	Guba, AZ	daily rain	99.6 mm (3.9 in)	81.3 mm (3.2 in)	4 years	49 of 100 (Notable)
31 July 2020	Aibonito 1 S, PR	daily rain	73.7 mm (2.9 in)	26.7 mm (1.1 in)	65 years	49 of 100 (Notable)
31 July 2020	Kyzyl, RU	all-time rain	52.1 mm (2.1 in)	1.4 mm (0.06 in)	69 years	49 of 100 (Notable)
31 July 2020	1 WSW Princeton, US	daily rain	55.9 mm (2.2 in)	36.1 mm (1.4 in)	62 years	49 of 100 (Notable)
31 July 2020	Williams 3 SW, US	daily rain	90.9 mm (3.6 in)	31.5 mm (1.2 in)	62 years	49 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 2020

Records set or tied on this calendar date in each year from 1804 to 2020. 2020 had 1,034 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 2020-07-31: 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 20	760
20 to 40	38
40 to 60	8
60 to 80	3
80 to 100	3
100 to 120	1