Weather Records on 31 July 2011

1,040 weather records were set or tied worldwide on 31 July 2011. Highest significance: Wadesboro, US.

Key Facts for 31 July 2011

On 31 July 2011, 1,040 weather records were set or tied at long-record stations worldwide.
547 were record highs and 284 were record lows, counting maximum and minimum temperature.
By timescale, 10 were all-time records, 33 monthly and 997 daily.
Wadesboro set a daily record precipitation of 99.6 mm (3.9 in) on 31 July 2011.
Across 155 earlier years (1804 to 2026) the same calendar date averaged 467 records.

Record Map

1,040 stations

1,040 station records on 31 July 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 July 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wadesboro	United States	Record daily precipitation	99.6 mm (3.9 in)	61 of 100 (Major)
Papantla	Mexico	Record daily precipitation	147.3 mm (5.8 in)	56 of 100 (Notable)
Loei	Thailand	Record daily precipitation	88.9 mm (3.5 in)	52 of 100 (Notable)
Azueta	Mexico	Record daily precipitation	122.2 mm (4.8 in)	51 of 100 (Notable)
Garro	Mexico	Record daily precipitation	106.7 mm (4.2 in)	51 of 100 (Notable)
Tecolutla	Mexico	Record daily precipitation	96.3 mm (3.8 in)	51 of 100 (Notable)
El OCOTITO	Mexico	Record daily precipitation	172.2 mm (6.8 in)	50 of 100 (Notable)
Tres Zapotes	Mexico	Record daily precipitation	131.6 mm (5.2 in)	50 of 100 (Notable)
Ponyri	Russia	Record daily precipitation	46.9 mm (1.8 in)	50 of 100 (Notable)
Sumy	Ukraine	Record daily precipitation	49.5 mm (1.9 in)	50 of 100 (Notable)
San Jeronimo	Mexico	Record daily precipitation	202.9 mm (8.0 in)	49 of 100 (Notable)
Ridgeland 1NNE	United States	Record daily precipitation	70.6 mm (2.8 in)	47 of 100 (Notable)
Poblado C-28	Mexico	Record daily precipitation	142.0 mm (5.6 in)	46 of 100 (Notable)
Tobolsk	Russia	Record daily precipitation	32.3 mm (1.3 in)	46 of 100 (Notable)
Tanquian de Escobedo	Mexico	Record daily precipitation	88.6 mm (3.5 in)	45 of 100 (Notable)
Aginskoe	Russia	Record daily precipitation	53.6 mm (2.1 in)	45 of 100 (Notable)
Cheraw	United States	Record high minimum temperature	25.0 C (77.0 F)	45 of 100 (Notable)
Dorsey Basin	United States	Record daily precipitation	30.5 mm (1.2 in)	45 of 100 (Notable)
Santo Domingo	Mexico	Record daily precipitation	114.3 mm (4.5 in)	44 of 100 (Notable)
San Jose El Alto	Mexico	Record daily precipitation	50.8 mm (2.0 in)	44 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record low maximum temperature	14.2 C (57.6 F)	43 of 100 (Notable)
Frontera Amatenango	Mexico	Record low maximum temperature	20.0 C (68.0 F)	43 of 100 (Notable)
Plan de Iguala	Mexico	Record daily precipitation	134.6 mm (5.3 in)	43 of 100 (Notable)
Bannister	Australia	Record daily precipitation	31.2 mm (1.2 in)	42 of 100 (Notable)
Bamberg	Germany	Record low maximum temperature	15.2 C (59.4 F)	42 of 100 (Notable)
Tonalapa del Sur	Mexico	Record low maximum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Altotonga	Mexico	Record high minimum temperature	16.7 C (62.1 F)	42 of 100 (Notable)
Sarpsborg	Norway	Record daily precipitation	40.0 mm (1.6 in)	42 of 100 (Notable)
Okecie	Poland	Record daily precipitation	77.0 mm (3.0 in)	42 of 100 (Notable)
Uttaradit	Thailand	Record daily precipitation	114.3 mm (4.5 in)	42 of 100 (Notable)
Kellerberrin	Australia	Record high minimum temperature	11.9 C (53.4 F)	41 of 100 (Notable)
Gorlitz	Germany	Record low maximum temperature	14.0 C (57.2 F)	41 of 100 (Notable)
Nurnberg	Germany	Record low maximum temperature	14.8 C (58.6 F)	41 of 100 (Notable)
Incheon	Korea, South	Record daily precipitation	146.6 mm (5.8 in)	41 of 100 (Notable)
Arkadelphia 2 N	United States	Record high minimum temperature	26.1 C (79.0 F)	41 of 100 (Notable)
Marshfield 4 WSW	United States	Record daily precipitation	62.0 mm (2.4 in)	41 of 100 (Notable)
Kinston 7 SE	United States	Record high maximum temperature	40.0 C (104.0 F)	41 of 100 (Notable)
Wilson 3 SW	United States	Record high minimum temperature	25.6 C (78.1 F)	41 of 100 (Notable)
Northam	Australia	Record high minimum temperature	12.9 C (55.2 F)	40 of 100 (Notable)
Centro Experimental W-75	Mexico	Record daily precipitation	79.8 mm (3.1 in)	40 of 100 (Notable)
Poza Rica	Mexico	Record daily precipitation	88.1 mm (3.5 in)	40 of 100 (Notable)
Divnoe	Russia	Record high minimum temperature	26.7 C (80.1 F)	40 of 100 (Notable)
Mineral-Nye-Vody	Russia	Record high minimum temperature	24.6 C (76.3 F)	40 of 100 (Notable)
Phrae	Thailand	Record daily precipitation	190.5 mm (7.5 in)	39 of 100 (Notable)
Nakhon Ratchasima	Thailand	Record low maximum temperature	26.5 C (79.7 F)	39 of 100 (Notable)
San Manuel	United States	Record daily precipitation	52.8 mm (2.1 in)	39 of 100 (Notable)
Ballinger 2 NW	United States	Record high minimum temperature	25.6 C (78.1 F)	39 of 100 (Notable)
San Juan de Las Flores	Mexico	Record daily precipitation	92.5 mm (3.6 in)	38 of 100 (Notable)
Elista	Russia	Record high maximum temperature	42.0 C (107.6 F)	38 of 100 (Notable)
Trout Dale 3 SSE	United States	Record daily precipitation	88.1 mm (3.5 in)	38 of 100 (Notable)
Mount Gambier Post Office	Australia	Record high maximum temperature	17.9 C (64.2 F)	37 of 100 (Notable)
Omitlan	Mexico	Record daily precipitation	90.9 mm (3.6 in)	37 of 100 (Notable)
El Carrizal	Mexico	Record low maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Misantla	Mexico	Record low maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
High Pt	United States	Record low minimum temperature	11.1 C (52.0 F)	36 of 100 (Notable)
Barstow-Daggett AP	United States	Record low maximum temperature	30.6 C (87.1 F)	36 of 100 (Notable)
Oschatz	Germany	Record low maximum temperature	14.3 C (57.7 F)	35 of 100 (Notable)
San Jose del Cabo	Mexico	Record low minimum temperature	15.0 C (59.0 F)	35 of 100 (Notable)
Budennovsk	Russia	Record high minimum temperature	25.3 C (77.5 F)	35 of 100 (Notable)
Prade Rch	United States	Record high minimum temperature	26.1 C (79.0 F)	35 of 100 (Notable)

Counts by Type and Timescale

1,040 records

Records set or tied on 31 July 2011 by type: Highest daily maximum 196, Lowest daily maximum 224, Highest daily minimum 351, Lowest daily minimum 60, Heaviest daily rainfall 209.

Records on 31 July 2011 by type
Record type	Records
Highest daily maximum	196
Lowest daily maximum	224
Highest daily minimum	351
Lowest daily minimum	60
Heaviest daily rainfall	209
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 July 2011 by timescale: all-time 10, monthly 33, daily 997.

How Much Records Were Beaten By

748 broken records

Margins by which the 748 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 102.6. Ties are not counted.

Top 20 by Significance

31 July 2011

Top 20 records on 31 July 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 July 2011	Wadesboro, US	daily rain	99.6 mm (3.9 in)	63.8 mm (2.5 in)	46 years	61 of 100 (Major)
31 July 2011	Papantla, MX	monthly rain	147.3 mm (5.8 in)	41.9 mm (1.6 in)	48 years	56 of 100 (Notable)
31 July 2011	Loei, TH	daily rain	88.9 mm (3.5 in)	51.2 mm (2.0 in)	25 years	52 of 100 (Notable)
31 July 2011	Azueta, MX	daily rain	122.2 mm (4.8 in)	65.3 mm (2.6 in)	41 years	51 of 100 (Notable)
31 July 2011	Garro, MX	daily rain	106.7 mm (4.2 in)	60.7 mm (2.4 in)	30 years	51 of 100 (Notable)
31 July 2011	Tecolutla, MX	daily rain	96.3 mm (3.8 in)	41.4 mm (1.6 in)	81 years	51 of 100 (Notable)
31 July 2011	El OCOTITO, MX	monthly rain	172.2 mm (6.8 in)	52.3 mm (2.1 in)	32 years	50 of 100 (Notable)
31 July 2011	Tres Zapotes, MX	daily rain	131.6 mm (5.2 in)	101.6 mm (4.0 in)	30 years	50 of 100 (Notable)
31 July 2011	Ponyri, RU	daily rain	46.9 mm (1.8 in)	28.0 mm (1.1 in)	50 years	50 of 100 (Notable)
31 July 2011	Sumy, UA	daily rain	49.5 mm (1.9 in)	28.1 mm (1.1 in)	42 years	50 of 100 (Notable)
31 July 2011	San Jeronimo, MX	monthly rain	202.9 mm (8.0 in)	42.6 mm (1.7 in)	48 years	49 of 100 (Notable)
31 July 2011	Ridgeland 1NNE, US	daily rain	70.6 mm (2.8 in)	36.6 mm (1.4 in)	45 years	47 of 100 (Notable)
31 July 2011	Poblado C-28, MX	monthly rain	142.0 mm (5.6 in)	41.9 mm (1.6 in)	30 years	46 of 100 (Notable)
31 July 2011	Tobolsk, RU	daily rain	32.3 mm (1.3 in)	4.5 mm (0.18 in)	105 years	46 of 100 (Notable)
31 July 2011	Tanquian de Escobedo, MX	daily rain	88.6 mm (3.5 in)	54.8 mm (2.2 in)	45 years	45 of 100 (Notable)
31 July 2011	Aginskoe, RU	daily rain	53.6 mm (2.1 in)	25.9 mm (1.0 in)	44 years	45 of 100 (Notable)
31 July 2011	Cheraw, US	daily high min	25.0 C (77.0 F)	1.1 C (2.0 F)	111 years	45 of 100 (Notable)
31 July 2011	Dorsey Basin, US	daily rain	30.5 mm (1.2 in)	22.9 mm (0.9 in)	20 years	45 of 100 (Notable)
31 July 2011	Santo Domingo, MX	daily rain	114.3 mm (4.5 in)	54.4 mm (2.1 in)	44 years	44 of 100 (Notable)
31 July 2011	San Jose El Alto, MX	daily rain	50.8 mm (2.0 in)	41.9 mm (1.6 in)	4 years	44 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 2011

Records set or tied on this calendar date in each year from 1804 to 2011. 2011 had 1,040 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 2011-07-31: 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	712
20 to 40	20
40 to 60	10
60 to 80	3
80 to 100	0
100 to 120	3