Weather Records on 22 July 2017

509 weather records were set or tied worldwide on 22 July 2017. Highest significance: Lancaster 4 WSW, US.

Key Facts for 22 July 2017

On 22 July 2017, 509 weather records were set or tied at long-record stations worldwide.
310 were record highs and 56 were record lows, counting maximum and minimum temperature.
By timescale, 8 were all-time records, 12 monthly and 489 daily.
Lancaster 4 WSW set a daily record precipitation of 106.9 mm (4.2 in) on 22 July 2017.
Across 171 earlier years (1793 to 2026) the same calendar date averaged 433 records.

Record Map

509 stations

509 station records on 22 July 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 22 July 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Lancaster 4 WSW	United States	Record daily precipitation	106.9 mm (4.2 in)	73 of 100 (Major)
Mt Carroll	United States	Record daily precipitation	94.5 mm (3.7 in)	72 of 100 (Major)
New Hampton	United States	Record daily precipitation	161.3 mm (6.4 in)	64 of 100 (Major)
Morrison	United States	Record daily precipitation	90.7 mm (3.6 in)	61 of 100 (Major)
Charles City	United States	Record daily precipitation	168.4 mm (6.6 in)	61 of 100 (Major)
Tripoli	United States	Record daily precipitation	120.9 mm (4.8 in)	61 of 100 (Major)
Walnut	United States	Record daily precipitation	119.4 mm (4.7 in)	59 of 100 (Notable)
Suhinici	Russia	Record daily precipitation	50.9 mm (2.0 in)	57 of 100 (Notable)
Fayette	United States	Record daily precipitation	194.8 mm (7.7 in)	57 of 100 (Notable)
Dubuque L&D 11	United States	Record daily precipitation	107.4 mm (4.2 in)	55 of 100 (Notable)
Helgoland	Germany	Record daily precipitation	34.7 mm (1.4 in)	54 of 100 (Notable)
Wangerooge	Germany	Record daily precipitation	39.8 mm (1.6 in)	53 of 100 (Notable)
Brohovo	Russia	Record daily precipitation	39.7 mm (1.6 in)	53 of 100 (Notable)
Morgantown Muni AP	United States	Record daily precipitation	50.8 mm (2.0 in)	53 of 100 (Notable)
Perm	Russia	Record daily precipitation	66.2 mm (2.6 in)	51 of 100 (Notable)
Elkader 6 SSW	United States	Record daily precipitation	119.4 mm (4.7 in)	51 of 100 (Notable)
Berlin-Tegel	Germany	Record daily precipitation	59.2 mm (2.3 in)	50 of 100 (Notable)
Shelihovo	Russia	Record daily precipitation	41.1 mm (1.6 in)	50 of 100 (Notable)
Guttenberg L&D 10	United States	Record daily precipitation	158.2 mm (6.2 in)	50 of 100 (Notable)
Sitka AP	United States	Record high maximum temperature	30.0 C (86.0 F)	50 of 100 (Notable)
Dixon Wwtp	United States	Record daily precipitation	78.7 mm (3.1 in)	49 of 100 (Notable)
Morris 1NW	United States	Record daily precipitation	63.8 mm (2.5 in)	49 of 100 (Notable)
Waucoma 1WNW	United States	Record daily precipitation	108.5 mm (4.3 in)	49 of 100 (Notable)
Cypress	United States	Record daily precipitation	96.5 mm (3.8 in)	49 of 100 (Notable)
Norderney	Germany	Record daily precipitation	47.4 mm (1.9 in)	48 of 100 (Notable)
Stockton 3NNE	United States	Record daily precipitation	146.6 mm (5.8 in)	48 of 100 (Notable)
Peru	United States	Record daily precipitation	44.5 mm (1.8 in)	48 of 100 (Notable)
Dewitt	United States	Record daily precipitation	112.8 mm (4.4 in)	48 of 100 (Notable)
Lincang	China	Record daily precipitation	69.1 mm (2.7 in)	47 of 100 (Notable)
Geneseo	United States	Record daily precipitation	108.7 mm (4.3 in)	47 of 100 (Notable)
Trenton	United States	Record high minimum temperature	28.3 C (82.9 F)	46 of 100 (Notable)
Detroit Lakes 1 NNE	United States	Record daily precipitation	29.2 mm (1.1 in)	45 of 100 (Notable)
Fulton L&D #13	United States	Record daily precipitation	135.4 mm (5.3 in)	44 of 100 (Notable)
Iowa City	United States	Record daily precipitation	95.3 mm (3.8 in)	44 of 100 (Notable)
Peotone	United States	Record daily precipitation	101.6 mm (4.0 in)	42 of 100 (Notable)
Clinton #1	United States	Record daily precipitation	93.2 mm (3.7 in)	41 of 100 (Notable)
Berlin-Dahlem	Germany	Record daily precipitation	46.5 mm (1.8 in)	40 of 100 (Notable)
Prastkulla	Sweden	Record low minimum temperature	1.8 C (35.2 F)	40 of 100 (Notable)
Rock Is L&D 15	United States	Record daily precipitation	74.9 mm (2.9 in)	40 of 100 (Notable)
Leech Lake	United States	Record daily precipitation	29.7 mm (1.2 in)	40 of 100 (Notable)
Moline Quad City Intl AP	United States	Record daily precipitation	79.0 mm (3.1 in)	40 of 100 (Notable)
Poltava	Ukraine	Record high minimum temperature	22.8 C (73.0 F)	39 of 100 (Notable)
Manchester #2	United States	Record daily precipitation	70.9 mm (2.8 in)	39 of 100 (Notable)
Muroran	Japan	Record daily precipitation	63.0 mm (2.5 in)	37 of 100 (Notable)
Robe Comparison	Australia	Record high maximum temperature	16.5 C (61.7 F)	36 of 100 (Notable)
Cascade	United States	Record daily precipitation	93.5 mm (3.7 in)	36 of 100 (Notable)
Wamego 4 W	United States	Record high minimum temperature	27.2 C (81.0 F)	35 of 100 (Notable)
Cave Run Lake	United States	Record high minimum temperature	23.3 C (73.9 F)	35 of 100 (Notable)
Middlebourne 3 ESE	United States	Record daily precipitation	62.5 mm (2.5 in)	35 of 100 (Notable)
Puerto Limon	Costa Rica	Record low minimum temperature	18.6 C (65.5 F)	34 of 100 (Routine)
Oberstdorf	Germany	Record high minimum temperature	14.9 C (58.8 F)	34 of 100 (Routine)
Vlagtwedde	Netherlands	Record daily precipitation	32.8 mm (1.3 in)	34 of 100 (Routine)
Gunnison 3SW	United States	Record high minimum temperature	12.8 C (55.0 F)	34 of 100 (Routine)
Yuncheng	China	Record high minimum temperature	30.3 C (86.5 F)	33 of 100 (Routine)
Chickamauga 2 SW	United States	Record high minimum temperature	23.3 C (73.9 F)	33 of 100 (Routine)
Shoals 8 S	United States	Record high minimum temperature	25.0 C (77.0 F)	33 of 100 (Routine)
Surgut	Russia	Record high maximum temperature	29.7 C (85.5 F)	32 of 100 (Routine)
Yellow Jacket 2W	United States	Record low minimum temperature	6.1 C (43.0 F)	32 of 100 (Routine)
Naples	United States	Record low maximum temperature	30.0 C (86.0 F)	32 of 100 (Routine)
Plains SW Ga Exp STN	United States	Record daily precipitation	39.4 mm (1.6 in)	32 of 100 (Routine)

Counts by Type and Timescale

509 records

Records set or tied on 22 July 2017 by type: Highest daily maximum 98, Lowest daily maximum 16, Highest daily minimum 212, Lowest daily minimum 40, Heaviest daily rainfall 143.

Records on 22 July 2017 by type
Record type	Records
Highest daily maximum	98
Lowest daily maximum	16
Highest daily minimum	212
Lowest daily minimum	40
Heaviest daily rainfall	143
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 22 July 2017 by timescale: all-time 8, monthly 12, daily 489.

How Much Records Were Beaten By

378 broken records

Margins by which the 378 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 109.3. Ties are not counted.

Top 20 by Significance

22 July 2017

Top 20 records on 22 July 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
22 July 2017	Lancaster 4 WSW, US	daily rain	106.9 mm (4.2 in)	53.6 mm (2.1 in)	110 years	73 of 100 (Major)
22 July 2017	Mt Carroll, US	daily rain	94.5 mm (3.7 in)	50.0 mm (2.0 in)	95 years	72 of 100 (Major)
22 July 2017	New Hampton, US	daily rain	161.3 mm (6.4 in)	90.4 mm (3.6 in)	48 years	64 of 100 (Major)
22 July 2017	Morrison, US	daily rain	90.7 mm (3.6 in)	35.3 mm (1.4 in)	91 years	61 of 100 (Major)
22 July 2017	Charles City, US	daily rain	168.4 mm (6.6 in)	100.3 mm (3.9 in)	38 years	61 of 100 (Major)
22 July 2017	Tripoli, US	daily rain	120.9 mm (4.8 in)	93.0 mm (3.7 in)	48 years	61 of 100 (Major)
22 July 2017	Walnut, US	monthly rain	119.4 mm (4.7 in)	26.4 mm (1.0 in)	69 years	59 of 100 (Notable)
22 July 2017	Suhinici, RU	daily rain	50.9 mm (2.0 in)	35.6 mm (1.4 in)	42 years	57 of 100 (Notable)
22 July 2017	Fayette, US	all-time rain	194.8 mm (7.7 in)	37.3 mm (1.5 in)	18 years	57 of 100 (Notable)
22 July 2017	Dubuque L&D 11, US	daily rain	107.4 mm (4.2 in)	52.8 mm (2.1 in)	60 years	55 of 100 (Notable)
22 July 2017	Helgoland, DE	daily rain	34.7 mm (1.4 in)	22.8 mm (0.9 in)	32 years	54 of 100 (Notable)
22 July 2017	Wangerooge, DE	daily rain	39.8 mm (1.6 in)	12.5 mm (0.5 in)	80 years	53 of 100 (Notable)
22 July 2017	Brohovo, RU	daily rain	39.7 mm (1.6 in)	20.1 mm (0.8 in)	51 years	53 of 100 (Notable)
22 July 2017	Morgantown Muni AP, US	daily rain	50.8 mm (2.0 in)	15.0 mm (0.6 in)	141 years	53 of 100 (Notable)
22 July 2017	Perm, RU	all-time rain	66.2 mm (2.6 in)	2.9 mm (0.11 in)	57 years	51 of 100 (Notable)
22 July 2017	Elkader 6 SSW, US	daily rain	119.4 mm (4.7 in)	70.4 mm (2.8 in)	6 years	51 of 100 (Notable)
22 July 2017	Berlin-Tegel, DE	daily rain	59.2 mm (2.3 in)	33.3 mm (1.3 in)	7 years	50 of 100 (Notable)
22 July 2017	Shelihovo, RU	daily rain	41.1 mm (1.6 in)	22.9 mm (0.9 in)	34 years	50 of 100 (Notable)
22 July 2017	Guttenberg L&D 10, US	all-time rain	158.2 mm (6.2 in)	13.4 mm (0.5 in)	49 years	50 of 100 (Notable)
22 July 2017	Sitka AP, US	daily high max	30.0 C (86.0 F)	7.8 C (14.0 F)	44 years	50 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

1793 to 2017

Records set or tied on this calendar date in each year from 1793 to 2017. 2017 had 509 records.

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

Records on 07-22 in each year
Year	Records
1793	1
1794	1
1796	1
1797	2
1806	2
1808	1
1809	1
1811	1
1813	1
1836	1
1838	1
1839	1
1844	1
1845	1
1850	1
1854	2
1855	1
1856	1
1857	1
1859	1
1867	1
1868	5
1870	1
1871	1
1874	1
1875	1
1876	2
1878	2
1879	2
1880	2
1881	2
1883	1
1885	3
1886	5
1887	2
1889	5
1890	5
1891	3
1892	3
1893	2
1894	3
1895	2
1896	5
1897	2
1898	4
1900	4
1901	12
1902	3
1903	10
1904	4
1905	12
1906	20
1907	11
1908	9
1909	7
1910	30
1911	26
1912	40
1913	38
1914	52
1915	28
1916	39
1917	34
1918	212
1919	36
1920	71
1921	172
1922	54
1923	107
1924	342
1925	268
1926	345
1927	329
1928	200
1929	267
1930	282
1931	367
1932	291
1933	307
1934	805
1935	250
1936	331
1937	368
1938	404
1939	345
1940	470
1941	236
1942	278
1943	392
1944	633
1945	280
1946	455
1947	1,196
1948	533
1949	419
1950	738
1951	384
1952	797
1953	404
1954	668
1955	618
1956	350
1957	544
1958	450
1959	581
1960	419
1961	519
1962	393
1963	504
1964	418
1965	543
1966	541
1967	295
1968	473
1969	454
1970	1,105
1971	449
1972	715
1973	981
1974	602
1975	335
1976	521
1977	478
1978	1,172
1979	646
1980	844
1981	1,551
1982	710
1983	1,025
1984	945
1985	712
1986	784
1987	1,234
1988	1,001
1989	838
1990	1,026
1991	810
1992	1,393
1993	1,193
1994	1,075
1995	1,241
1996	1,062
1997	1,106
1998	989
1999	756
2000	1,020
2001	1,183
2002	1,002
2003	1,536
2004	805
2005	1,197
2006	1,938
2007	1,190
2008	839
2009	1,294
2010	1,350
2011	1,940
2012	675
2013	604
2014	669
2015	661
2016	895
2017	509
2018	910
2019	513
2020	453
2021	558
2022	782
2023	676
2024	718
2025	877
2026	874

Download the Data

Data for records on 2017-07-22: 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 2026-10-13. Last revised 13 October 2026 (2026-10-13).

Margin	Records
0 to 20	336
20 to 40	26
40 to 60	9
60 to 80	3
80 to 100	2
100 to 120	2