Weather Records on 21 July 2018

942 weather records were set or tied worldwide on 21 July 2018. Highest significance: Puri, IN.

Key Facts for 21 July 2018

On 21 July 2018, 942 weather records were set or tied at long-record stations worldwide.
671 were record highs and 99 were record lows, counting maximum and minimum temperature.
By timescale, 15 were all-time records, 39 monthly and 888 daily.
Puri set a daily record precipitation of 269.0 mm (10.6 in) on 21 July 2018.
Across 159 earlier years (1794 to 2026) the same calendar date averaged 464 records.

Record Map

942 stations

942 station records on 21 July 2018 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 July 2018: highest significance records shown on the map
Station	Country	Type	Value	Significance
Puri	India	Record daily precipitation	269.0 mm (10.6 in)	80 of 100 (Exceptional)
Kouvola Anjala	Finland	Record daily precipitation	81.1 mm (3.2 in)	74 of 100 (Major)
Reno AP	United States	Record daily precipitation	32.8 mm (1.3 in)	72 of 100 (Major)
Monte Cimone	Italy	Record daily precipitation	103.9 mm (4.1 in)	69 of 100 (Major)
Moskalvo	Russia	Record daily precipitation	53.7 mm (2.1 in)	68 of 100 (Major)
Monterey	United States	Record daily precipitation	96.5 mm (3.8 in)	68 of 100 (Major)
Kalix_D	Sweden	Record daily precipitation	34.2 mm (1.3 in)	66 of 100 (Major)
Deuselbach	Germany	Record daily precipitation	58.5 mm (2.3 in)	62 of 100 (Major)
Staraja_Russa	Russia	Record daily precipitation	75.1 mm (3.0 in)	61 of 100 (Major)
Novgorod	Russia	Record daily precipitation	34.0 mm (1.3 in)	57 of 100 (Notable)
Patuxent River NAS	United States	Record daily precipitation	102.4 mm (4.0 in)	56 of 100 (Notable)
Apuka	Russia	Record daily precipitation	32.0 mm (1.3 in)	55 of 100 (Notable)
Piqua	United States	Record daily precipitation	64.3 mm (2.5 in)	55 of 100 (Notable)
Culbertson	United States	Record daily precipitation	34.0 mm (1.3 in)	54 of 100 (Notable)
Krasnaja_Gora	Russia	Record daily precipitation	59.8 mm (2.4 in)	53 of 100 (Notable)
Washington Reagan Natl AP	United States	Record daily precipitation	101.6 mm (4.0 in)	53 of 100 (Notable)
Chambersburg 1 ESE	United States	Record daily precipitation	41.9 mm (1.6 in)	52 of 100 (Notable)
Cape Leeuwin	Australia	Record daily precipitation	53.4 mm (2.1 in)	50 of 100 (Notable)
Middleboro	United States	Record low minimum temperature	6.1 C (43.0 F)	50 of 100 (Notable)
Shippensburg	United States	Record daily precipitation	61.7 mm (2.4 in)	49 of 100 (Notable)
Brookgreen Gardens	United States	Record daily precipitation	147.3 mm (5.8 in)	49 of 100 (Notable)
Baltimore-Washington Intl AP	United States	Record daily precipitation	121.7 mm (4.8 in)	49 of 100 (Notable)
Annapolis US Naval Academy Aso	United States	Record daily precipitation	139.7 mm (5.5 in)	48 of 100 (Notable)
Siikalatva Kestila	Finland	Record daily precipitation	45.0 mm (1.8 in)	47 of 100 (Notable)
Bhubaneswar	India	Record daily precipitation	195.1 mm (7.7 in)	47 of 100 (Notable)
Brownwood 2NE	United States	Record high maximum temperature	43.3 C (109.9 F)	47 of 100 (Notable)
San Angelo	United States	Record high maximum temperature	42.2 C (108.0 F)	47 of 100 (Notable)
Lakeville	United States	Record daily precipitation	87.6 mm (3.4 in)	46 of 100 (Notable)
Taylorsville 2SW	United States	Record daily precipitation	58.4 mm (2.3 in)	46 of 100 (Notable)
Cookeville	United States	Record daily precipitation	91.7 mm (3.6 in)	46 of 100 (Notable)
Remontnoe	Russia	Record daily precipitation	34.3 mm (1.4 in)	45 of 100 (Notable)
Loa	United States	Record high minimum temperature	15.6 C (60.1 F)	45 of 100 (Notable)
Dover	United States	Record daily precipitation	56.1 mm (2.2 in)	44 of 100 (Notable)
Deland 1 SSE	United States	Record low maximum temperature	27.2 C (81.0 F)	44 of 100 (Notable)
Chama	United States	Record high minimum temperature	13.9 C (57.0 F)	44 of 100 (Notable)
Sherman	United States	Record high minimum temperature	28.3 C (82.9 F)	44 of 100 (Notable)
Walkerton 2 NW	United States	Record daily precipitation	93.7 mm (3.7 in)	44 of 100 (Notable)
Manteo AP	United States	Record daily precipitation	127.0 mm (5.0 in)	44 of 100 (Notable)
Winnemucca AP	United States	Record high minimum temperature	21.1 C (70.0 F)	44 of 100 (Notable)
Oraatjarnarna_D	Sweden	Record daily precipitation	47.0 mm (1.9 in)	43 of 100 (Notable)
Hagerstown 1E	United States	Record daily precipitation	62.0 mm (2.4 in)	43 of 100 (Notable)
Crossville Ed & Rsch STN	United States	Record daily precipitation	83.6 mm (3.3 in)	43 of 100 (Notable)
Tahoka	United States	Record high maximum temperature	40.6 C (105.1 F)	43 of 100 (Notable)
Gomel	Belarus	Record daily precipitation	72.9 mm (2.9 in)	42 of 100 (Notable)
Prescott 2 NNW	United States	Record high minimum temperature	26.1 C (79.0 F)	42 of 100 (Notable)
Ashland	United States	Record high maximum temperature	44.4 C (111.9 F)	42 of 100 (Notable)
Cape May 2 NW	United States	Record daily precipitation	65.8 mm (2.6 in)	42 of 100 (Notable)
Madill	United States	Record high maximum temperature	43.9 C (111.0 F)	42 of 100 (Notable)
Brownsville	United States	Record high minimum temperature	25.6 C (78.1 F)	42 of 100 (Notable)
Washington Dulles Intl AP	United States	Record daily precipitation	127.5 mm (5.0 in)	42 of 100 (Notable)
Laghouat	Algeria	Record high maximum temperature	43.5 C (110.3 F)	41 of 100 (Notable)
Ljuban	Russia	Record high minimum temperature	20.2 C (68.4 F)	41 of 100 (Notable)
Crescent City	United States	Record low maximum temperature	26.7 C (80.1 F)	41 of 100 (Notable)
Smithville 2 SE	United States	Record daily precipitation	78.7 mm (3.1 in)	41 of 100 (Notable)
Hillsboro	United States	Record high maximum temperature	41.7 C (107.1 F)	41 of 100 (Notable)
Enonkoski Simanala	Finland	Record daily precipitation	35.3 mm (1.4 in)	40 of 100 (Notable)
Romanovka	Russia	Record daily precipitation	47.8 mm (1.9 in)	40 of 100 (Notable)
Bramon	Sweden	Record daily precipitation	28.2 mm (1.1 in)	40 of 100 (Notable)
Crossett 2 SSE	United States	Record high maximum temperature	40.6 C (105.1 F)	40 of 100 (Notable)
Del Norte 3ENE	United States	Record high minimum temperature	14.4 C (57.9 F)	40 of 100 (Notable)

Counts by Type and Timescale

942 records

Records set or tied on 21 July 2018 by type: Highest daily maximum 293, Lowest daily maximum 58, Highest daily minimum 378, Lowest daily minimum 41, Heaviest daily rainfall 172.

Records on 21 July 2018 by type
Record type	Records
Highest daily maximum	293
Lowest daily maximum	58
Highest daily minimum	378
Lowest daily minimum	41
Heaviest daily rainfall	172
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 July 2018 by timescale: all-time 15, monthly 39, daily 888.

How Much Records Were Beaten By

725 broken records

Margins by which the 725 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 181.4. Ties are not counted.

Top 20 by Significance

21 July 2018

Top 20 records on 21 July 2018 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 July 2018	Puri, IN	daily rain	269.0 mm (10.6 in)	181.4 mm (7.1 in)	112 years	80 of 100 (Exceptional)
21 July 2018	Kouvola Anjala, FI	all-time rain	81.1 mm (3.2 in)	34.9 mm (1.4 in)	29 years	74 of 100 (Major)
21 July 2018	Reno AP, US	monthly rain	32.8 mm (1.3 in)	12.5 mm (0.5 in)	69 years	72 of 100 (Major)
21 July 2018	Monte Cimone, IT	monthly rain	103.9 mm (4.1 in)	50.8 mm (2.0 in)	49 years	69 of 100 (Major)
21 July 2018	Moskalvo, RU	daily rain	53.7 mm (2.1 in)	36.6 mm (1.4 in)	69 years	68 of 100 (Major)
21 July 2018	Monterey, US	daily rain	96.5 mm (3.8 in)	60.9 mm (2.4 in)	63 years	68 of 100 (Major)
21 July 2018	Kalix_D, SE	daily rain	34.2 mm (1.3 in)	25.1 mm (1.0 in)	64 years	66 of 100 (Major)
21 July 2018	Deuselbach, DE	daily rain	58.5 mm (2.3 in)	22.9 mm (0.9 in)	73 years	62 of 100 (Major)
21 July 2018	Staraja_Russa, RU	daily rain	75.1 mm (3.0 in)	49.5 mm (1.9 in)	44 years	61 of 100 (Major)
21 July 2018	Novgorod, RU	daily rain	34.0 mm (1.3 in)	26.2 mm (1.0 in)	68 years	57 of 100 (Notable)
21 July 2018	Patuxent River NAS, US	daily rain	102.4 mm (4.0 in)	58.5 mm (2.3 in)	39 years	56 of 100 (Notable)
21 July 2018	Apuka, RU	daily rain	32.0 mm (1.3 in)	14.9 mm (0.6 in)	71 years	55 of 100 (Notable)
21 July 2018	Piqua, US	daily rain	64.3 mm (2.5 in)	19.6 mm (0.8 in)	103 years	55 of 100 (Notable)
21 July 2018	Culbertson, US	daily rain	34.0 mm (1.3 in)	13.9 mm (0.5 in)	108 years	54 of 100 (Notable)
21 July 2018	Krasnaja_Gora, RU	daily rain	59.8 mm (2.4 in)	38.2 mm (1.5 in)	17 years	53 of 100 (Notable)
21 July 2018	Washington Reagan Natl AP, US	daily rain	101.6 mm (4.0 in)	61.0 mm (2.4 in)	23 years	53 of 100 (Notable)
21 July 2018	Chambersburg 1 ESE, US	daily rain	41.9 mm (1.6 in)	22.1 mm (0.9 in)	85 years	52 of 100 (Notable)
21 July 2018	Cape Leeuwin, AU	daily rain	53.4 mm (2.1 in)	8.9 mm (0.35 in)	105 years	50 of 100 (Notable)
21 July 2018	Middleboro, US	daily low min	6.1 C (43.0 F)	3.9 C (7.0 F)	108 years	50 of 100 (Notable)
21 July 2018	Shippensburg, US	daily rain	61.7 mm (2.4 in)	37.3 mm (1.5 in)	29 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 2018

Records set or tied on this calendar date in each year from 1794 to 2018. 2018 had 942 records.

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

Records on 07-21 in each year
Year	Records
1794	1
1795	1
1796	1
1797	1
1813	2
1832	2
1837	1
1839	1
1843	1
1844	2
1854	1
1859	3
1865	3
1868	3
1872	1
1876	1
1879	2
1880	1
1881	1
1884	1
1885	1
1886	2
1888	2
1889	3
1890	2
1892	3
1893	3
1894	3
1895	1
1896	3
1897	4
1898	7
1899	2
1900	6
1901	13
1902	12
1903	10
1904	8
1905	13
1906	13
1907	12
1908	25
1909	18
1910	12
1911	37
1912	52
1913	41
1914	48
1915	81
1916	72
1917	136
1918	130
1919	51
1920	33
1921	55
1922	48
1923	132
1924	286
1925	202
1926	401
1927	191
1928	205
1929	360
1930	521
1931	549
1932	322
1933	208
1934	965
1935	236
1936	322
1937	253
1938	638
1939	415
1940	318
1941	226
1942	318
1943	253
1944	716
1945	300
1946	398
1947	795
1948	403
1949	603
1950	662
1951	427
1952	657
1953	351
1954	656
1955	582
1956	490
1957	447
1958	531
1959	940
1960	651
1961	388
1962	263
1963	470
1964	457
1965	748
1966	626
1967	313
1968	334
1969	636
1970	1,241
1971	475
1972	1,046
1973	871
1974	536
1975	380
1976	477
1977	708
1978	1,155
1979	964
1980	926
1981	1,352
1982	588
1983	1,234
1984	764
1985	554
1986	791
1987	1,025
1988	1,015
1989	973
1990	914
1991	812
1992	1,562
1993	866
1994	773
1995	1,247
1996	1,141
1997	849
1998	1,674
1999	814
2000	1,230
2001	889
2002	990
2003	1,250
2004	694
2005	1,420
2006	1,479
2007	1,145
2008	989
2009	1,306
2010	1,148
2011	1,414
2012	815
2013	526
2014	762
2015	704
2016	645
2017	433
2018	942
2019	755
2020	363
2021	574
2022	866
2023	816
2024	873
2025	881
2026	874

Download the Data

Data for records on 2018-07-21: 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 25	689
25 to 50	26
50 to 75	6
75 to 100	2
100 to 125	1
125 to 150	0
150 to 175	0
175 to 200	1