Weather Records on 28 July 2011

1,143 weather records were set or tied worldwide on 28 July 2011. Highest significance: Chelsea, US.

Key Facts for 28 July 2011

On 28 July 2011, 1,143 weather records were set or tied at long-record stations worldwide.
738 were record highs and 164 were record lows, counting maximum and minimum temperature.
By timescale, 27 were all-time records, 26 monthly and 1,090 daily.
Chelsea set an all-time record daily precipitation of 156.2 mm (6.1 in) on 28 July 2011.
Across 155 earlier years (1815 to 2026) the same calendar date averaged 468 records.

Record Map

1,143 stations

1,143 station records on 28 July 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 July 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Chelsea	United States	Record daily precipitation	156.2 mm (6.1 in)	70 of 100 (Major)
Owosso Wwtp	United States	Record daily precipitation	107.7 mm (4.2 in)	67 of 100 (Major)
Flint 7W	United States	Record daily precipitation	134.6 mm (5.3 in)	65 of 100 (Major)
Grand Ledge 1 NW	United States	Record daily precipitation	120.4 mm (4.7 in)	64 of 100 (Major)
Rostock-Warnemunde	Germany	Record daily precipitation	52.3 mm (2.1 in)	63 of 100 (Major)
Alma	United States	Record daily precipitation	83.3 mm (3.3 in)	63 of 100 (Major)
Eaton Rapids	United States	Record daily precipitation	138.4 mm (5.4 in)	61 of 100 (Major)
Stockton 3NNE	United States	Record daily precipitation	123.2 mm (4.9 in)	60 of 100 (Major)
Galena	United States	Record daily precipitation	341.6 mm (13.4 in)	59 of 100 (Notable)
Murdo	United States	Record daily precipitation	43.4 mm (1.7 in)	59 of 100 (Notable)
Valke-Maarja	Estonia	Record daily precipitation	39.1 mm (1.5 in)	58 of 100 (Notable)
Charlotte	United States	Record daily precipitation	102.9 mm (4.1 in)	56 of 100 (Notable)
Mt Carroll	United States	Record daily precipitation	73.4 mm (2.9 in)	55 of 100 (Notable)
Lowell	United States	Record daily precipitation	135.4 mm (5.3 in)	55 of 100 (Notable)
Wabash	United States	Record high minimum temperature	27.2 C (81.0 F)	54 of 100 (Notable)
Germantown Wastewater Utility	United States	Record daily precipitation	84.8 mm (3.3 in)	54 of 100 (Notable)
Detroit Willow Run AP	United States	Record daily precipitation	49.5 mm (1.9 in)	54 of 100 (Notable)
Ueckermunde	Germany	Record daily precipitation	60.9 mm (2.4 in)	53 of 100 (Notable)
Bloomingdale	United States	Record daily precipitation	54.6 mm (2.1 in)	53 of 100 (Notable)
Narva	Estonia	Record daily precipitation	34.4 mm (1.4 in)	52 of 100 (Notable)
San Miguel Ejutla	Mexico	Record daily precipitation	62.0 mm (2.4 in)	52 of 100 (Notable)
Dubuque L&D 11	United States	Record daily precipitation	223.5 mm (8.8 in)	52 of 100 (Notable)
Aluksne	Latvia	Record daily precipitation	58.2 mm (2.3 in)	51 of 100 (Notable)
Freeport Wwtp	United States	Record daily precipitation	135.9 mm (5.4 in)	50 of 100 (Notable)
Port Washington	United States	Record daily precipitation	49.0 mm (1.9 in)	50 of 100 (Notable)
Utena	Lithuania	Record daily precipitation	52.1 mm (2.1 in)	49 of 100 (Notable)
Central Michigan UNIV	United States	Record daily precipitation	34.0 mm (1.3 in)	49 of 100 (Notable)
Academy 2NE	United States	Record daily precipitation	38.6 mm (1.5 in)	49 of 100 (Notable)
Elspeet	Netherlands	Record daily precipitation	44.1 mm (1.7 in)	48 of 100 (Notable)
Howell Wwtp	United States	Record daily precipitation	66.3 mm (2.6 in)	48 of 100 (Notable)
Aurangabad Chikalth	India	Record daily precipitation	105.9 mm (4.2 in)	47 of 100 (Notable)
San Juan Chamula	Mexico	Record daily precipitation	54.6 mm (2.1 in)	47 of 100 (Notable)
Greifswald	Germany	Record daily precipitation	33.3 mm (1.3 in)	46 of 100 (Notable)
Puerto de Valles	Mexico	Record low minimum temperature	13.9 C (57.0 F)	46 of 100 (Notable)
Corral Viejo	Puerto Rico [United States]	Record daily precipitation	101.1 mm (4.0 in)	46 of 100 (Notable)
Sanda	Sweden	Record daily precipitation	65.6 mm (2.6 in)	46 of 100 (Notable)
Winner	United States	Record daily precipitation	49.5 mm (1.9 in)	45 of 100 (Notable)
Bochum	Germany	Record daily precipitation	30.4 mm (1.2 in)	44 of 100 (Notable)
Ellsworth	United States	Record high maximum temperature	43.9 C (111.0 F)	44 of 100 (Notable)
Grosse Pointe Farms	United States	Record daily precipitation	68.6 mm (2.7 in)	44 of 100 (Notable)
McAlester Rgnl AP	United States	Record high minimum temperature	27.2 C (81.0 F)	44 of 100 (Notable)
Szombathely	Hungary	Record daily precipitation	34.4 mm (1.4 in)	43 of 100 (Notable)
Elkader 6 SSW	United States	Record daily precipitation	121.4 mm (4.8 in)	43 of 100 (Notable)
Eldorado Springs	United States	Record high maximum temperature	40.0 C (104.0 F)	43 of 100 (Notable)
Central City	United States	Record high minimum temperature	29.4 C (84.9 F)	43 of 100 (Notable)
Rosalia	United States	Record low minimum temperature	1.7 C (35.1 F)	43 of 100 (Notable)
W Palm Beach Intl AP	United States	Record high minimum temperature	29.4 C (84.9 F)	43 of 100 (Notable)
Oosterbeek	Netherlands	Record daily precipitation	29.0 mm (1.1 in)	42 of 100 (Notable)
Ashland	United States	Record high maximum temperature	43.9 C (111.0 F)	42 of 100 (Notable)
Kingman	United States	Record high maximum temperature	43.9 C (111.0 F)	42 of 100 (Notable)
Newton	United States	Record high maximum temperature	44.4 C (111.9 F)	42 of 100 (Notable)
Memphis	United States	Record high minimum temperature	26.1 C (79.0 F)	42 of 100 (Notable)
Vihti Hiiskula	Finland	Record daily precipitation	43.2 mm (1.7 in)	41 of 100 (Notable)
Ohotsk	Russia	Record high minimum temperature	17.8 C (64.0 F)	41 of 100 (Notable)
Carlinville	United States	Record high minimum temperature	24.4 C (75.9 F)	41 of 100 (Notable)
Allerton	United States	Record high minimum temperature	24.4 C (75.9 F)	41 of 100 (Notable)
Charles City	United States	Record high minimum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Hutchinson 10 SW	United States	Record high maximum temperature	45.0 C (113.0 F)	41 of 100 (Notable)
Pratt 3NW	United States	Record high maximum temperature	42.2 C (108.0 F)	41 of 100 (Notable)
Neosho	United States	Record high minimum temperature	25.6 C (78.1 F)	41 of 100 (Notable)

Counts by Type and Timescale

1,143 records

Records set or tied on 28 July 2011 by type: Highest daily maximum 250, Lowest daily maximum 73, Highest daily minimum 488, Lowest daily minimum 91, Heaviest daily rainfall 241.

Records on 28 July 2011 by type
Record type	Records
Highest daily maximum	250
Lowest daily maximum	73
Highest daily minimum	488
Lowest daily minimum	91
Heaviest daily rainfall	241
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 28 July 2011 by timescale: all-time 27, monthly 26, daily 1,090.

How Much Records Were Beaten By

799 broken records

Margins by which the 799 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 96.8. Ties are not counted.

Top 20 by Significance

28 July 2011

Top 20 records on 28 July 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 July 2011	Chelsea, US	all-time rain	156.2 mm (6.1 in)	73.6 mm (2.9 in)	23 years	70 of 100 (Major)
28 July 2011	Owosso Wwtp, US	monthly rain	107.7 mm (4.2 in)	18.8 mm (0.7 in)	109 years	67 of 100 (Major)
28 July 2011	Flint 7W, US	monthly rain	134.6 mm (5.3 in)	81.3 mm (3.2 in)	31 years	65 of 100 (Major)
28 July 2011	Grand Ledge 1 NW, US	monthly rain	120.4 mm (4.7 in)	41.2 mm (1.6 in)	39 years	64 of 100 (Major)
28 July 2011	Rostock-Warnemunde, DE	daily rain	52.3 mm (2.1 in)	23.9 mm (0.9 in)	68 years	63 of 100 (Major)
28 July 2011	Alma, US	daily rain	83.3 mm (3.3 in)	36.3 mm (1.4 in)	65 years	63 of 100 (Major)
28 July 2011	Eaton Rapids, US	all-time rain	138.4 mm (5.4 in)	21.6 mm (0.9 in)	36 years	61 of 100 (Major)
28 July 2011	Stockton 3NNE, US	daily rain	123.2 mm (4.9 in)	91.4 mm (3.6 in)	48 years	60 of 100 (Major)
28 July 2011	Galena, US	all-time rain	341.6 mm (13.4 in)	44.7 mm (1.8 in)	8 years	59 of 100 (Notable)
28 July 2011	Murdo, US	daily rain	43.4 mm (1.7 in)	24.3 mm (1.0 in)	89 years	59 of 100 (Notable)
28 July 2011	Valke-Maarja, EE	daily rain	39.1 mm (1.5 in)	31.9 mm (1.3 in)	44 years	58 of 100 (Notable)
28 July 2011	Charlotte, US	monthly rain	102.9 mm (4.1 in)	13.2 mm (0.5 in)	77 years	56 of 100 (Notable)
28 July 2011	Mt Carroll, US	daily rain	73.4 mm (2.9 in)	22.6 mm (0.9 in)	104 years	55 of 100 (Notable)
28 July 2011	Lowell, US	monthly rain	135.4 mm (5.3 in)	42.7 mm (1.7 in)	3 years	55 of 100 (Notable)
28 July 2011	Wabash, US	all-time high min	27.2 C (81.0 F)	1.6 C (2.9 F)	75 years	54 of 100 (Notable)
28 July 2011	Germantown Wastewater Utility, US	daily rain	84.8 mm (3.3 in)	45.9 mm (1.8 in)	61 years	54 of 100 (Notable)
28 July 2011	Detroit Willow Run AP, US	daily rain	49.5 mm (1.9 in)	37.3 mm (1.5 in)	48 years	54 of 100 (Notable)
28 July 2011	Ueckermunde, DE	daily rain	60.9 mm (2.4 in)	36.5 mm (1.4 in)	10 years	53 of 100 (Notable)
28 July 2011	Bloomingdale, US	daily rain	54.6 mm (2.1 in)	16.5 mm (0.6 in)	104 years	53 of 100 (Notable)
28 July 2011	Narva, EE	daily rain	34.4 mm (1.4 in)	15.0 mm (0.6 in)	68 years	52 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

1815 to 2011

Records set or tied on this calendar date in each year from 1815 to 2011. 2011 had 1,143 records.

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

Records on 07-28 in each year
Year	Records
1815	1
1832	2
1834	1
1838	1
1846	1
1848	1
1853	1
1857	1
1860	2
1866	2
1867	1
1872	3
1873	1
1874	1
1882	1
1883	3
1884	3
1886	2
1887	2
1888	3
1890	3
1891	8
1892	3
1893	5
1894	4
1895	6
1896	4
1897	4
1898	6
1900	8
1901	14
1902	4
1903	16
1904	23
1905	10
1906	18
1907	39
1908	15
1909	19
1910	18
1911	61
1912	32
1913	54
1914	42
1915	36
1916	134
1917	84
1918	34
1919	53
1920	95
1921	92
1922	82
1923	193
1924	79
1925	361
1926	175
1927	129
1928	341
1929	215
1930	603
1931	464
1932	184
1933	390
1934	533
1935	354
1936	471
1937	315
1938	264
1939	339
1940	507
1941	525
1942	165
1943	429
1944	349
1945	399
1946	380
1947	630
1948	535
1949	496
1950	1,035
1951	320
1952	669
1953	251
1954	355
1955	537
1956	309
1957	298
1958	549
1959	417
1960	416
1961	357
1962	772
1963	484
1964	422
1965	422
1966	349
1967	458
1968	547
1969	737
1970	343
1971	1,161
1972	675
1973	500
1974	343
1975	537
1976	493
1977	724
1978	681
1979	692
1980	1,170
1981	1,315
1982	774
1983	1,389
1984	1,373
1985	627
1986	868
1987	1,202
1988	761
1989	936
1990	757
1991	768
1992	678
1993	1,026
1994	2,266
1995	1,251
1996	1,178
1997	1,024
1998	1,835
1999	985
2000	857
2001	938
2002	866
2003	932
2004	1,345
2005	1,387
2006	1,398
2007	998
2008	923
2009	964
2010	1,306
2011	1,143
2012	731
2013	1,428
2014	713
2015	911
2016	648
2017	476
2018	655
2019	469
2020	721
2021	831
2022	990
2023	765
2024	668
2025	845
2026	862

Download the Data

Data for records on 2011-07-28: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	752
20 to 40	33
40 to 60	9
60 to 80	2
80 to 100	3