Weather Records on 23 July 2011

1,907 weather records were set or tied worldwide on 23 July 2011. Highest significance: Tiffin, US.

Key Facts for 23 July 2011

On 23 July 2011, 1,907 weather records were set or tied at long-record stations worldwide.
1,306 were record highs and 225 were record lows, counting maximum and minimum temperature.
By timescale, 72 were all-time records, 45 monthly and 1,790 daily.
Tiffin set an all-time record daily precipitation of 158.5 mm (6.2 in) on 23 July 2011.
Across 167 earlier years (1794 to 2026) the same calendar date averaged 440 records.

Record Map

1,907 stations

1,907 station records on 23 July 2011 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 July 2011: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tiffin	United States	Record daily precipitation	158.5 mm (6.2 in)	75 of 100 (Major)
Split Marjan	Croatia	Record daily precipitation	71.8 mm (2.8 in)	67 of 100 (Major)
Ostmark-Lambacken	Sweden	Record daily precipitation	59.1 mm (2.3 in)	66 of 100 (Major)
Warren	United States	Record high maximum temperature	38.9 C (102.0 F)	62 of 100 (Major)
Notodden	Norway	Record daily precipitation	44.9 mm (1.8 in)	61 of 100 (Major)
Clinton #1	United States	Record daily precipitation	85.9 mm (3.4 in)	61 of 100 (Major)
Warren	United States	Record high minimum temperature	25.0 C (77.0 F)	61 of 100 (Major)
Herefoss	Norway	Record daily precipitation	62.7 mm (2.5 in)	59 of 100 (Notable)
Isojoki Karjenkoski	Finland	Record daily precipitation	80.5 mm (3.2 in)	58 of 100 (Notable)
New Castle 1 N	United States	Record high maximum temperature	40.6 C (105.1 F)	58 of 100 (Notable)
Hedrum	Norway	Record daily precipitation	38.5 mm (1.5 in)	57 of 100 (Notable)
Mc Clusky	United States	Record daily precipitation	41.9 mm (1.6 in)	57 of 100 (Notable)
McHenry Stratton Lock/Dam	United States	Record daily precipitation	101.9 mm (4.0 in)	54 of 100 (Notable)
Tuddal	Norway	Record daily precipitation	38.5 mm (1.5 in)	53 of 100 (Notable)
Elgin Water	United States	Record daily precipitation	84.6 mm (3.3 in)	53 of 100 (Notable)
Novo Mesto	Slovenia	Record daily precipitation	70.1 mm (2.8 in)	52 of 100 (Notable)
Hollum	Netherlands	Record daily precipitation	45.0 mm (1.8 in)	50 of 100 (Notable)
Windsor Bowling Club	Australia	Record daily precipitation	32.6 mm (1.3 in)	49 of 100 (Notable)
Uusikaupunki Nervanderinpuisto	Finland	Record daily precipitation	46.5 mm (1.8 in)	49 of 100 (Notable)
Gjettum	Norway	Record daily precipitation	45.4 mm (1.8 in)	49 of 100 (Notable)
Iowa City	United States	Record daily precipitation	66.0 mm (2.6 in)	49 of 100 (Notable)
Marengo	United States	Record daily precipitation	85.6 mm (3.4 in)	48 of 100 (Notable)
Vinton	United States	Record daily precipitation	47.5 mm (1.9 in)	48 of 100 (Notable)
St Albans (Espie St)	Australia	Record daily precipitation	62.8 mm (2.5 in)	47 of 100 (Notable)
Horinsk	Russia	Record daily precipitation	41.9 mm (1.6 in)	47 of 100 (Notable)
Fessenden	United States	Record daily precipitation	39.4 mm (1.6 in)	46 of 100 (Notable)
Hanko Tvarminne	Finland	Record daily precipitation	37.2 mm (1.5 in)	45 of 100 (Notable)
Stoneville Exp STN	United States	Record high minimum temperature	27.8 C (82.0 F)	45 of 100 (Notable)
St Charles Elm Pt	United States	Record high minimum temperature	26.7 C (80.1 F)	45 of 100 (Notable)
Marshall	United States	Record high minimum temperature	27.2 C (81.0 F)	45 of 100 (Notable)
Altotonga	Mexico	Record high minimum temperature	18.9 C (66.0 F)	44 of 100 (Notable)
Rison	United States	Record high minimum temperature	25.6 C (78.1 F)	44 of 100 (Notable)
Natl Arboretum Dc	United States	Record high maximum temperature	40.6 C (105.1 F)	44 of 100 (Notable)
Lawrence	United States	Record high maximum temperature	38.9 C (102.0 F)	44 of 100 (Notable)
Durham	United States	Record high minimum temperature	22.8 C (73.0 F)	44 of 100 (Notable)
Mayville	United States	Record daily precipitation	26.7 mm (1.1 in)	44 of 100 (Notable)
Medora	United States	Record daily precipitation	39.4 mm (1.6 in)	44 of 100 (Notable)
Helena 1 SSE	United States	Record high minimum temperature	26.1 C (79.0 F)	44 of 100 (Notable)
Renovo	United States	Record high maximum temperature	40.6 C (105.1 F)	44 of 100 (Notable)
Renovo	United States	Record high minimum temperature	22.8 C (73.0 F)	44 of 100 (Notable)
Sandusky	United States	Record daily precipitation	95.5 mm (3.8 in)	44 of 100 (Notable)
Brooklyn (Sandbrook Inlet)	Australia	Record daily precipitation	34.8 mm (1.4 in)	43 of 100 (Notable)
Rose Bay (Royal Sydney Golf Cl	Australia	Record daily precipitation	61.2 mm (2.4 in)	43 of 100 (Notable)
Salo Suomusjarvi	Finland	Record daily precipitation	42.3 mm (1.7 in)	43 of 100 (Notable)
North Lakhimpur	India	Record daily precipitation	99.1 mm (3.9 in)	43 of 100 (Notable)
Addison	United States	Record high maximum temperature	38.9 C (102.0 F)	43 of 100 (Notable)
Watford City 14S	United States	Record daily precipitation	41.1 mm (1.6 in)	43 of 100 (Notable)
Bellefontaine	United States	Record high minimum temperature	23.9 C (75.0 F)	43 of 100 (Notable)
Riverview Observatory	Australia	Record daily precipitation	47.2 mm (1.9 in)	42 of 100 (Notable)
Puerto de Valles	Mexico	Record low minimum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
Al III	Norway	Record daily precipitation	29.2 mm (1.1 in)	42 of 100 (Notable)
Olastorp	Sweden	Record daily precipitation	36.0 mm (1.4 in)	42 of 100 (Notable)
Jacksonville 2E	United States	Record high minimum temperature	25.6 C (78.1 F)	42 of 100 (Notable)
Harlan	United States	Record high minimum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Dillon U of Montana Western	United States	Record low minimum temperature	0.0 C (32.0 F)	42 of 100 (Notable)
Brevard	United States	Record high minimum temperature	20.6 C (69.1 F)	42 of 100 (Notable)
Hamburg	United States	Record high minimum temperature	25.0 C (77.0 F)	42 of 100 (Notable)
Boerne	United States	Record high minimum temperature	24.4 C (75.9 F)	42 of 100 (Notable)
Zoutkamp	Netherlands	Record daily precipitation	34.8 mm (1.4 in)	41 of 100 (Notable)
Jarpstrommen	Sweden	Record daily precipitation	40.4 mm (1.6 in)	41 of 100 (Notable)

Counts by Type and Timescale

1,907 records

Records set or tied on 23 July 2011 by type: Highest daily maximum 434, Lowest daily maximum 87, Highest daily minimum 872, Lowest daily minimum 138, Heaviest daily rainfall 376.

Records on 23 July 2011 by type
Record type	Records
Highest daily maximum	434
Lowest daily maximum	87
Highest daily minimum	872
Lowest daily minimum	138
Heaviest daily rainfall	376
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 July 2011 by timescale: all-time 72, monthly 45, daily 1,790.

How Much Records Were Beaten By

1,366 broken records

Margins by which the 1,366 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.1. Ties are not counted.

Top 20 by Significance

23 July 2011

Top 20 records on 23 July 2011 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 July 2011	Tiffin, US	all-time rain	158.5 mm (6.2 in)	21.1 mm (0.8 in)	91 years	75 of 100 (Major)
23 July 2011	Split Marjan, HR	monthly rain	71.8 mm (2.8 in)	25.8 mm (1.0 in)	55 years	67 of 100 (Major)
23 July 2011	Ostmark-Lambacken, SE	monthly rain	59.1 mm (2.3 in)	26.2 mm (1.0 in)	37 years	66 of 100 (Major)
23 July 2011	Warren, US	all-time high max	38.9 C (102.0 F)	1.1 C (2.0 F)	97 years	62 of 100 (Major)
23 July 2011	Notodden, NO	daily rain	44.9 mm (1.8 in)	29.7 mm (1.2 in)	53 years	61 of 100 (Major)
23 July 2011	Clinton #1, US	daily rain	85.9 mm (3.4 in)	43.7 mm (1.7 in)	69 years	61 of 100 (Major)
23 July 2011	Warren, US	all-time high min	25.0 C (77.0 F)	0.6 C (1.1 F)	108 years	61 of 100 (Major)
23 July 2011	Herefoss, NO	daily rain	62.7 mm (2.5 in)	28.5 mm (1.1 in)	66 years	59 of 100 (Notable)
23 July 2011	Isojoki Karjenkoski, FI	all-time rain	80.5 mm (3.2 in)	23.9 mm (0.9 in)	5 years	58 of 100 (Notable)
23 July 2011	New Castle 1 N, US	all-time high max	40.6 C (105.1 F)	0.6 C (1.1 F)	92 years	58 of 100 (Notable)
23 July 2011	Hedrum, NO	daily rain	38.5 mm (1.5 in)	17.5 mm (0.7 in)	96 years	57 of 100 (Notable)
23 July 2011	Mc Clusky, US	daily rain	41.9 mm (1.6 in)	24.9 mm (1.0 in)	76 years	57 of 100 (Notable)
23 July 2011	McHenry Stratton Lock/Dam, US	daily rain	101.9 mm (4.0 in)	84.1 mm (3.3 in)	28 years	54 of 100 (Notable)
23 July 2011	Tuddal, NO	daily rain	38.5 mm (1.5 in)	12.5 mm (0.5 in)	96 years	53 of 100 (Notable)
23 July 2011	Elgin Water, US	daily rain	84.6 mm (3.3 in)	34.1 mm (1.3 in)	69 years	53 of 100 (Notable)
23 July 2011	Novo Mesto, SI	daily rain	70.1 mm (2.8 in)	48.3 mm (1.9 in)	26 years	52 of 100 (Notable)
23 July 2011	Hollum, NL	daily rain	45.0 mm (1.8 in)	21.2 mm (0.8 in)	40 years	50 of 100 (Notable)
23 July 2011	Windsor Bowling Club, AU	daily rain	32.6 mm (1.3 in)	13.5 mm (0.5 in)	106 years	49 of 100 (Notable)
23 July 2011	Uusikaupunki Nervanderinpuisto, FI	daily rain	46.5 mm (1.8 in)	27.7 mm (1.1 in)	28 years	49 of 100 (Notable)
23 July 2011	Gjettum, NO	daily rain	45.4 mm (1.8 in)	31.0 mm (1.2 in)	40 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

1794 to 2011

Records set or tied on this calendar date in each year from 1794 to 2011. 2011 had 1,907 records.

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

Records on 07-23 in each year
Year	Records
1794	2
1797	1
1804	1
1810	1
1811	2
1832	1
1835	1
1836	2
1838	1
1845	1
1846	2
1851	1
1852	1
1855	2
1856	1
1859	1
1860	1
1861	1
1863	1
1867	1
1868	5
1870	1
1873	2
1875	2
1877	1
1879	2
1880	2
1882	1
1883	1
1884	1
1885	5
1886	1
1887	2
1888	1
1889	5
1890	4
1894	3
1895	7
1896	4
1898	9
1899	5
1900	8
1901	10
1902	6
1903	4
1904	18
1905	11
1906	19
1907	9
1908	15
1909	27
1910	54
1911	37
1912	43
1913	36
1914	59
1915	35
1916	34
1917	42
1918	96
1919	26
1920	40
1921	221
1922	113
1923	104
1924	158
1925	173
1926	266
1927	308
1928	146
1929	174
1930	214
1931	334
1932	232
1933	432
1934	898
1935	329
1936	403
1937	319
1938	354
1939	277
1940	494
1941	292
1942	265
1943	245
1944	350
1945	239
1946	531
1947	1,240
1948	610
1949	453
1950	500
1951	422
1952	788
1953	660
1954	545
1955	585
1956	402
1957	513
1958	633
1959	606
1960	568
1961	937
1962	465
1963	490
1964	373
1965	368
1966	368
1967	347
1968	480
1969	436
1970	935
1971	648
1972	640
1973	798
1974	578
1975	359
1976	425
1977	570
1978	1,064
1979	648
1980	703
1981	1,030
1982	594
1983	1,324
1984	980
1985	711
1986	1,239
1987	1,164
1988	1,124
1989	868
1990	1,033
1991	1,050
1992	1,469
1993	1,466
1994	1,215
1995	827
1996	1,227
1997	1,088
1998	885
1999	846
2000	1,225
2001	1,242
2002	875
2003	1,649
2004	1,148
2005	997
2006	1,757
2007	1,262
2008	1,057
2009	1,069
2010	1,627
2011	1,907
2012	822
2013	648
2014	783
2015	559
2016	760
2017	517
2018	873
2019	786
2020	514
2021	506
2022	707
2023	629
2024	798
2025	917
2026	788

Download the Data

Data for records on 2011-07-23: 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	1,315
20 to 40	43
40 to 60	7
60 to 80	0
80 to 100	1