Weather Records on 20 July 2018

930 weather records were set or tied worldwide on 20 July 2018. Highest significance: Frolovo, RU.

Key Facts for 20 July 2018

On 20 July 2018, 930 weather records were set or tied at long-record stations worldwide.
686 were record highs and 75 were record lows, counting maximum and minimum temperature.
By timescale, 15 were all-time records, 32 monthly and 883 daily.
Frolovo set a monthly record daily precipitation of 62.1 mm (2.4 in) on 20 July 2018.
Across 161 earlier years (1809 to 2026) the same calendar date averaged 456 records.

Record Map

930 stations

930 station records on 20 July 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 July 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Frolovo	Russia	Record daily precipitation	62.1 mm (2.4 in)	80 of 100 (Exceptional)
Yacka	Australia	Record daily precipitation	27.4 mm (1.1 in)	71 of 100 (Major)
Morris W Cntrl Rsch & Outreach	United States	Record daily precipitation	90.4 mm (3.6 in)	70 of 100 (Major)
Gisela	United States	Record daily precipitation	41.4 mm (1.6 in)	68 of 100 (Major)
Glennville 3NW	United States	Record daily precipitation	71.1 mm (2.8 in)	66 of 100 (Major)
Bogorodskoe	Russia	Record daily precipitation	46.8 mm (1.8 in)	65 of 100 (Major)
New Harmony	United States	Record daily precipitation	41.9 mm (1.6 in)	56 of 100 (Notable)
Lleida	Spain	Record daily precipitation	35.8 mm (1.4 in)	53 of 100 (Notable)
El Vado Dam	United States	Record high maximum temperature	38.9 C (102.0 F)	53 of 100 (Notable)
Agzu	Russia	Record high minimum temperature	20.7 C (69.3 F)	49 of 100 (Notable)
Clermont-Ferrand	France	Record daily precipitation	33.1 mm (1.3 in)	48 of 100 (Notable)
Crescent City	United States	Record low minimum temperature	17.8 C (64.0 F)	48 of 100 (Notable)
Melrose	United States	Record daily precipitation	68.6 mm (2.7 in)	48 of 100 (Notable)
Wilmington Intl AP	United States	Record daily precipitation	83.3 mm (3.3 in)	48 of 100 (Notable)
Tellico Plains	United States	Record daily precipitation	48.3 mm (1.9 in)	47 of 100 (Notable)
Sosnovka	Russia	Record daily precipitation	39.2 mm (1.5 in)	46 of 100 (Notable)
Kolsva	Sweden	Record daily precipitation	33.5 mm (1.3 in)	46 of 100 (Notable)
Jefferson City Wtp	United States	Record daily precipitation	39.4 mm (1.6 in)	46 of 100 (Notable)
Calhoun Falls	United States	Record daily precipitation	49.5 mm (1.9 in)	46 of 100 (Notable)
Stephenville Clark Fld	United States	Record high maximum temperature	42.2 C (108.0 F)	46 of 100 (Notable)
Gyzylarbat	Turkmenistan	Record high maximum temperature	47.1 C (116.8 F)	45 of 100 (Notable)
Avon Park 2 W	United States	Record high minimum temperature	25.6 C (78.1 F)	45 of 100 (Notable)
Bonham 3NNE	United States	Record high maximum temperature	41.7 C (107.1 F)	45 of 100 (Notable)
Grapevine Dam	United States	Record high maximum temperature	42.2 C (108.0 F)	45 of 100 (Notable)
Tucumcari 4 NE	United States	Record high maximum temperature	41.1 C (106.0 F)	44 of 100 (Notable)
Brownwood 2NE	United States	Record high maximum temperature	43.9 C (111.0 F)	44 of 100 (Notable)
Sherman	United States	Record high minimum temperature	28.3 C (82.9 F)	44 of 100 (Notable)
Makuschino	Russia	Record daily precipitation	37.7 mm (1.5 in)	43 of 100 (Notable)
Tombstone	United States	Record low minimum temperature	15.0 C (59.0 F)	43 of 100 (Notable)
Tyler Pounds Fld	United States	Record high maximum temperature	40.0 C (104.0 F)	43 of 100 (Notable)
Dzaore	Russia	Record daily precipitation	33.2 mm (1.3 in)	42 of 100 (Notable)
Osage	United States	Record low maximum temperature	20.0 C (68.0 F)	42 of 100 (Notable)
Britton	United States	Record daily precipitation	79.8 mm (3.1 in)	42 of 100 (Notable)
McKinney Muni AP	United States	Record high maximum temperature	42.2 C (108.0 F)	42 of 100 (Notable)
Goshen Muni AP	United States	Record daily precipitation	34.8 mm (1.4 in)	42 of 100 (Notable)
Litke	Russia	Record daily precipitation	48.4 mm (1.9 in)	41 of 100 (Notable)
Santander/Parayas	Spain	Record daily precipitation	38.9 mm (1.5 in)	41 of 100 (Notable)
Allison	United States	Record low maximum temperature	22.8 C (73.0 F)	41 of 100 (Notable)
Long Prairie	United States	Record low maximum temperature	19.4 C (66.9 F)	41 of 100 (Notable)
Harnosand	Sweden	Record high maximum temperature	29.2 C (84.6 F)	40 of 100 (Notable)
Cerro	United States	Record high maximum temperature	35.6 C (96.1 F)	40 of 100 (Notable)
Oakes	United States	Record daily precipitation	53.3 mm (2.1 in)	40 of 100 (Notable)
Wichita Falls Muni AP	United States	Record high maximum temperature	44.4 C (111.9 F)	40 of 100 (Notable)
S Bend AP	United States	Record daily precipitation	45.5 mm (1.8 in)	39 of 100 (Notable)
Susuman	Russia	Record low minimum temperature	-4.6 C (23.7 F)	38 of 100 (Notable)
Corsicana	United States	Record high maximum temperature	42.2 C (108.0 F)	38 of 100 (Notable)
San Angelo	United States	Record high maximum temperature	42.2 C (108.0 F)	38 of 100 (Notable)
Hobart Muni AP	United States	Record high maximum temperature	45.0 C (113.0 F)	38 of 100 (Notable)
Carrasco Intl	Uruguay	Record daily precipitation	58.7 mm (2.3 in)	38 of 100 (Notable)
Inari Ivalo Lentoasema	Finland	Record high minimum temperature	22.3 C (72.1 F)	37 of 100 (Notable)
Vjatskie Poljany	Russia	Record daily precipitation	78.0 mm (3.1 in)	37 of 100 (Notable)
Ekezhe	Turkmenistan	Record high maximum temperature	48.6 C (119.5 F)	37 of 100 (Notable)
Minden	United States	Record high minimum temperature	26.1 C (79.0 F)	37 of 100 (Notable)
Benson	United States	Record daily precipitation	44.2 mm (1.7 in)	37 of 100 (Notable)
Valley of Fire Sp	United States	Record daily precipitation	43.2 mm (1.7 in)	37 of 100 (Notable)
Pilot Rock 1 SE	United States	Record low minimum temperature	6.1 C (43.0 F)	37 of 100 (Notable)
Clarks Hill 1 W	United States	Record daily precipitation	53.1 mm (2.1 in)	37 of 100 (Notable)
Cleburne	United States	Record high maximum temperature	42.8 C (109.0 F)	37 of 100 (Notable)
Tahoka	United States	Record high maximum temperature	40.6 C (105.1 F)	37 of 100 (Notable)
Gopalpur	India	Record daily precipitation	34.0 mm (1.3 in)	36 of 100 (Notable)

Counts by Type and Timescale

930 records

Records set or tied on 20 July 2018 by type: Highest daily maximum 374, Lowest daily maximum 28, Highest daily minimum 312, Lowest daily minimum 47, Heaviest daily rainfall 169.

Records on 20 July 2018 by type
Record type	Records
Highest daily maximum	374
Lowest daily maximum	28
Highest daily minimum	312
Lowest daily minimum	47
Heaviest daily rainfall	169
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 July 2018 by timescale: all-time 15, monthly 32, daily 883.

How Much Records Were Beaten By

730 broken records

Margins by which the 730 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 51.3. Ties are not counted.

Top 20 by Significance

20 July 2018

Top 20 records on 20 July 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 July 2018	Frolovo, RU	monthly rain	62.1 mm (2.4 in)	24.0 mm (0.9 in)	75 years	80 of 100 (Exceptional)
20 July 2018	Yacka, AU	daily rain	27.4 mm (1.1 in)	13.9 mm (0.5 in)	122 years	71 of 100 (Major)
20 July 2018	Morris W Cntrl Rsch & Outreach, US	daily rain	90.4 mm (3.6 in)	51.3 mm (2.0 in)	88 years	70 of 100 (Major)
20 July 2018	Gisela, US	daily rain	41.4 mm (1.6 in)	26.4 mm (1.0 in)	99 years	68 of 100 (Major)
20 July 2018	Glennville 3NW, US	daily rain	71.1 mm (2.8 in)	40.9 mm (1.6 in)	96 years	66 of 100 (Major)
20 July 2018	Bogorodskoe, RU	daily rain	46.8 mm (1.8 in)	25.7 mm (1.0 in)	80 years	65 of 100 (Major)
20 July 2018	New Harmony, US	daily rain	41.9 mm (1.6 in)	29.7 mm (1.2 in)	31 years	56 of 100 (Notable)
20 July 2018	Lleida, ES	daily rain	35.8 mm (1.4 in)	33.6 mm (1.3 in)	31 years	53 of 100 (Notable)
20 July 2018	El Vado Dam, US	all-time high max	38.9 C (102.0 F)	0.6 C (1.1 F)	70 years	53 of 100 (Notable)
20 July 2018	Agzu, RU	all-time high min	20.7 C (69.3 F)	0.7 C (1.3 F)	66 years	49 of 100 (Notable)
20 July 2018	Clermont-Ferrand, FR	daily rain	33.1 mm (1.3 in)	9.1 mm (0.36 in)	93 years	48 of 100 (Notable)
20 July 2018	Crescent City, US	daily low min	17.8 C (64.0 F)	1.6 C (2.9 F)	88 years	48 of 100 (Notable)
20 July 2018	Melrose, US	daily rain	68.6 mm (2.7 in)	47.8 mm (1.9 in)	20 years	48 of 100 (Notable)
20 July 2018	Wilmington Intl AP, US	daily rain	83.3 mm (3.3 in)	45.5 mm (1.8 in)	67 years	48 of 100 (Notable)
20 July 2018	Tellico Plains, US	daily rain	48.3 mm (1.9 in)	17.8 mm (0.7 in)	80 years	47 of 100 (Notable)
20 July 2018	Sosnovka, RU	daily rain	39.2 mm (1.5 in)	20.1 mm (0.8 in)	36 years	46 of 100 (Notable)
20 July 2018	Kolsva, SE	daily rain	33.5 mm (1.3 in)	15.2 mm (0.6 in)	65 years	46 of 100 (Notable)
20 July 2018	Jefferson City Wtp, US	daily rain	39.4 mm (1.6 in)	10.2 mm (0.4 in)	101 years	46 of 100 (Notable)
20 July 2018	Calhoun Falls, US	daily rain	49.5 mm (1.9 in)	10.9 mm (0.4 in)	100 years	46 of 100 (Notable)
20 July 2018	Stephenville Clark Fld, US	daily high max	42.2 C (108.0 F)	2.8 C (5.0 F)	96 years	46 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

1809 to 2018

Records set or tied on this calendar date in each year from 1809 to 2018. 2018 had 930 records.

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

Records on 07-20 in each year
Year	Records
1809	1
1810	1
1811	2
1832	2
1844	2
1850	1
1859	2
1863	1
1865	4
1866	1
1867	1
1868	1
1870	1
1872	1
1874	2
1876	1
1877	2
1879	3
1880	1
1881	2
1882	1
1883	2
1885	1
1886	2
1887	1
1888	1
1889	2
1890	5
1892	7
1893	1
1894	1
1895	1
1897	4
1898	2
1899	4
1900	9
1901	3
1902	13
1903	6
1904	10
1905	6
1906	8
1907	12
1908	31
1909	6
1910	27
1911	12
1912	33
1913	28
1914	20
1915	163
1916	117
1917	57
1918	53
1919	40
1920	16
1921	55
1922	52
1923	173
1924	112
1925	125
1926	411
1927	106
1928	366
1929	480
1930	598
1931	362
1932	338
1933	201
1934	857
1935	386
1936	358
1937	213
1938	392
1939	336
1940	325
1941	270
1942	609
1943	326
1944	470
1945	278
1946	482
1947	635
1948	385
1949	807
1950	563
1951	448
1952	488
1953	316
1954	512
1955	377
1956	545
1957	351
1958	536
1959	605
1960	758
1961	338
1962	327
1963	457
1964	416
1965	1,110
1966	469
1967	455
1968	389
1969	649
1970	890
1971	619
1972	1,062
1973	804
1974	489
1975	470
1976	580
1977	899
1978	663
1979	1,249
1980	925
1981	1,048
1982	580
1983	1,117
1984	799
1985	604
1986	848
1987	1,156
1988	1,103
1989	1,183
1990	724
1991	1,024
1992	1,137
1993	901
1994	611
1995	961
1996	1,365
1997	903
1998	1,682
1999	815
2000	1,393
2001	755
2002	986
2003	1,313
2004	978
2005	1,266
2006	1,487
2007	1,124
2008	663
2009	1,533
2010	1,154
2011	1,339
2012	817
2013	850
2014	1,000
2015	812
2016	744
2017	398
2018	930
2019	867
2020	524
2021	683
2022	1,108
2023	812
2024	737
2025	680
2026	863

Download the Data

Data for records on 2018-07-20: 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).