Weather Records on 30 July 2020

763 weather records were set or tied worldwide on 30 July 2020. Highest significance: Montezuma 2 NW, US.

Key Facts for 30 July 2020

On 30 July 2020, 763 weather records were set or tied at long-record stations worldwide.
551 were record highs and 71 were record lows, counting maximum and minimum temperature.
By timescale, 5 were all-time records, 18 monthly and 740 daily.
Montezuma 2 NW set a daily record precipitation of 109.2 mm (4.3 in) on 30 July 2020.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 438 records.

Record Map

763 stations

763 station records on 30 July 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 2020: highest significance records shown on the map
Station	Country	Type	Value	Significance
Montezuma 2 NW	United States	Record daily precipitation	109.2 mm (4.3 in)	73 of 100 (Major)
Bogota/Eldorado	Colombia	Record daily precipitation	65.0 mm (2.6 in)	68 of 100 (Major)
Goychay	Azerbaijan	Record daily precipitation	99.3 mm (3.9 in)	63 of 100 (Major)
San Lorenzo 1SW	Puerto Rico [United States]	Record daily precipitation	226.8 mm (8.9 in)	63 of 100 (Major)
Farmington	United States	Record daily precipitation	74.2 mm (2.9 in)	61 of 100 (Major)
Sabana Grande 2 ENE	Puerto Rico [United States]	Record daily precipitation	116.1 mm (4.6 in)	59 of 100 (Notable)
Cooma (Myalla)	Australia	Record daily precipitation	35.2 mm (1.4 in)	58 of 100 (Notable)
Shenkursk	Russia	Record daily precipitation	25.4 mm (1.0 in)	57 of 100 (Notable)
Jerome	United States	Record high minimum temperature	28.3 C (82.9 F)	55 of 100 (Notable)
Reboly	Russia	Record daily precipitation	31.0 mm (1.2 in)	53 of 100 (Notable)
Ozone	United States	Record daily precipitation	83.3 mm (3.3 in)	53 of 100 (Notable)
Morovis 1 N	Puerto Rico [United States]	Record daily precipitation	104.1 mm (4.1 in)	51 of 100 (Notable)
St Joseph Rosecrans Mem AP	United States	Record daily precipitation	101.1 mm (4.0 in)	51 of 100 (Notable)
Madison Sewage Plt	United States	Record daily precipitation	93.5 mm (3.7 in)	50 of 100 (Notable)
Durango Dgo.	Mexico	Record daily precipitation	57.2 mm (2.3 in)	49 of 100 (Notable)
Charleston	United States	Record daily precipitation	79.8 mm (3.1 in)	48 of 100 (Notable)
Lingle 2WSW	United States	Record daily precipitation	38.1 mm (1.5 in)	48 of 100 (Notable)
Rio Grande City	United States	Record low maximum temperature	31.1 C (88.0 F)	47 of 100 (Notable)
San Juan L M Marin Intl AP	Puerto Rico [United States]	Record daily precipitation	113.3 mm (4.5 in)	46 of 100 (Notable)
Tullinge A	Sweden	Record daily precipitation	25.4 mm (1.0 in)	46 of 100 (Notable)
Concordia ASOS	United States	Record daily precipitation	38.9 mm (1.5 in)	46 of 100 (Notable)
Kellerberrin	Australia	Record high maximum temperature	24.5 C (76.1 F)	43 of 100 (Notable)
Pte de Chassiron	France	Record high maximum temperature	33.5 C (92.3 F)	43 of 100 (Notable)
Rothamsted	United Kingdom	Record high maximum temperature	34.5 C (94.1 F)	43 of 100 (Notable)
Guajataca Dam	Puerto Rico [United States]	Record daily precipitation	50.3 mm (2.0 in)	42 of 100 (Notable)
Wisley	United Kingdom	Record high maximum temperature	36.2 C (97.2 F)	42 of 100 (Notable)
Valley Head	United States	Record high minimum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Greensburg	United States	Record daily precipitation	48.3 mm (1.9 in)	42 of 100 (Notable)
Tullahoma	United States	Record high minimum temperature	23.3 C (73.9 F)	42 of 100 (Notable)
Rio Blanco Lower	Puerto Rico [United States]	Record daily precipitation	97.5 mm (3.8 in)	41 of 100 (Notable)
Cordes	United States	Record high maximum temperature	42.8 C (109.0 F)	41 of 100 (Notable)
Mt Hope	United States	Record daily precipitation	61.0 mm (2.4 in)	41 of 100 (Notable)
Cambridge	United States	Record daily precipitation	47.8 mm (1.9 in)	41 of 100 (Notable)
Hachita 1W	United States	Record high maximum temperature	41.7 C (107.1 F)	41 of 100 (Notable)
Sherman	United States	Record daily precipitation	33.0 mm (1.3 in)	41 of 100 (Notable)
El Paso Intl AP	United States	Record high maximum temperature	42.8 C (109.0 F)	41 of 100 (Notable)
Cet Central England	United Kingdom	Record high maximum temperature	33.2 C (91.8 F)	40 of 100 (Notable)
Sheffield	United Kingdom	Record high maximum temperature	34.3 C (93.7 F)	40 of 100 (Notable)
Elephant Butte Dam	United States	Record high maximum temperature	40.0 C (104.0 F)	40 of 100 (Notable)
Leavenworth 3 S	United States	Record high minimum temperature	18.3 C (64.9 F)	40 of 100 (Notable)
Elkins- Randolph Co AP	United States	Record daily precipitation	47.5 mm (1.9 in)	40 of 100 (Notable)
Louisville Intl AP	United States	Record daily precipitation	59.7 mm (2.4 in)	40 of 100 (Notable)
Poitiers - Biard	France	Record high maximum temperature	36.2 C (97.2 F)	39 of 100 (Notable)
Danevang 1 W	United States	Record daily precipitation	43.7 mm (1.7 in)	39 of 100 (Notable)
Hartford Brainard Fld	United States	Record high minimum temperature	24.4 C (75.9 F)	39 of 100 (Notable)
Phoenix AP	United States	Record high maximum temperature	47.8 C (118.0 F)	39 of 100 (Notable)
Shannon	Ireland	Record daily precipitation	25.4 mm (1.0 in)	38 of 100 (Notable)
Bordeaux-Merignac	France	Record high maximum temperature	38.5 C (101.3 F)	38 of 100 (Notable)
Dos Bocas	Puerto Rico [United States]	Record daily precipitation	49.3 mm (1.9 in)	38 of 100 (Notable)
Oxford	United Kingdom	Record high maximum temperature	35.1 C (95.2 F)	38 of 100 (Notable)
Albany	United States	Record daily precipitation	38.9 mm (1.5 in)	38 of 100 (Notable)
Danevang 1 W	United States	Record low maximum temperature	28.9 C (84.0 F)	38 of 100 (Notable)
Pt Comfort	United States	Record daily precipitation	58.4 mm (2.3 in)	38 of 100 (Notable)
Topeka Forbes Fld	United States	Record daily precipitation	88.4 mm (3.5 in)	38 of 100 (Notable)
Pendleton	United States	Record high maximum temperature	42.8 C (109.0 F)	38 of 100 (Notable)
Yakutat AP	United States	Record high maximum temperature	24.4 C (75.9 F)	38 of 100 (Notable)
Poronajsk	Russia	Record high maximum temperature	31.6 C (88.9 F)	37 of 100 (Notable)
Madrid - Retiro	Spain	Record high maximum temperature	39.2 C (102.6 F)	37 of 100 (Notable)
Lugano	Switzerland	Record high minimum temperature	23.6 C (74.5 F)	37 of 100 (Notable)
Bradford	United Kingdom	Record high maximum temperature	32.2 C (90.0 F)	37 of 100 (Notable)

Counts by Type and Timescale

763 records

Records set or tied on 30 July 2020 by type: Highest daily maximum 329, Lowest daily maximum 22, Highest daily minimum 222, Lowest daily minimum 49, Heaviest daily rainfall 141.

Records on 30 July 2020 by type
Record type	Records
Highest daily maximum	329
Lowest daily maximum	22
Highest daily minimum	222
Lowest daily minimum	49
Heaviest daily rainfall	141
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 2020 by timescale: all-time 5, monthly 18, daily 740.

How Much Records Were Beaten By

601 broken records

Margins by which the 601 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 109.2. Ties are not counted.

Top 20 by Significance

30 July 2020

Top 20 records on 30 July 2020 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 2020	Montezuma 2 NW, US	daily rain	109.2 mm (4.3 in)	52.3 mm (2.1 in)	102 years	73 of 100 (Major)
30 July 2020	Bogota/Eldorado, CO	monthly rain	65.0 mm (2.6 in)	26.0 mm (1.0 in)	41 years	68 of 100 (Major)
30 July 2020	Goychay, AZ	daily rain	99.3 mm (3.9 in)	90.1 mm (3.5 in)	51 years	63 of 100 (Major)
30 July 2020	San Lorenzo 1SW, PR	monthly rain	226.8 mm (8.9 in)	109.2 mm (4.3 in)	29 years	63 of 100 (Major)
30 July 2020	Farmington, US	daily rain	74.2 mm (2.9 in)	37.1 mm (1.5 in)	93 years	61 of 100 (Major)
30 July 2020	Sabana Grande 2 ENE, PR	daily rain	116.1 mm (4.6 in)	101.4 mm (4.0 in)	32 years	59 of 100 (Notable)
30 July 2020	Cooma (Myalla), AU	daily rain	35.2 mm (1.4 in)	32.6 mm (1.3 in)	44 years	58 of 100 (Notable)
30 July 2020	Shenkursk, RU	daily rain	25.4 mm (1.0 in)	11.9 mm (0.5 in)	104 years	57 of 100 (Notable)
30 July 2020	Jerome, US	daily high min	28.3 C (82.9 F)	5.0 C (9.0 F)	93 years	55 of 100 (Notable)
30 July 2020	Reboly, RU	daily rain	31.0 mm (1.2 in)	14.9 mm (0.6 in)	66 years	53 of 100 (Notable)
30 July 2020	Ozone, US	daily rain	83.3 mm (3.3 in)	53.3 mm (2.1 in)	43 years	53 of 100 (Notable)
30 July 2020	Morovis 1 N, PR	daily rain	104.1 mm (4.1 in)	71.1 mm (2.8 in)	19 years	51 of 100 (Notable)
30 July 2020	St Joseph Rosecrans Mem AP, US	monthly rain	101.1 mm (4.0 in)	21.6 mm (0.9 in)	72 years	51 of 100 (Notable)
30 July 2020	Madison Sewage Plt, US	monthly rain	93.5 mm (3.7 in)	0.8 mm (0.03 in)	102 years	50 of 100 (Notable)
30 July 2020	Durango Dgo., MX	daily rain	57.2 mm (2.3 in)	40.2 mm (1.6 in)	17 years	49 of 100 (Notable)
30 July 2020	Charleston, US	daily rain	79.8 mm (3.1 in)	20.9 mm (0.8 in)	82 years	48 of 100 (Notable)
30 July 2020	Lingle 2WSW, US	daily rain	38.1 mm (1.5 in)	19.6 mm (0.8 in)	58 years	48 of 100 (Notable)
30 July 2020	Rio Grande City, US	daily low max	31.1 C (88.0 F)	2.8 C (5.0 F)	89 years	47 of 100 (Notable)
30 July 2020	San Juan L M Marin Intl AP, PR	daily rain	113.3 mm (4.5 in)	53.6 mm (2.1 in)	1 year	46 of 100 (Notable)
30 July 2020	Tullinge A, SE	daily rain	25.4 mm (1.0 in)	12.5 mm (0.5 in)	70 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

1794 to 2020

Records set or tied on this calendar date in each year from 1794 to 2020. 2020 had 763 records.

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

Records on 07-30 in each year
Year	Records
1794	2
1797	1
1827	1
1828	2
1829	1
1830	1
1834	1
1837	2
1838	1
1840	1
1841	1
1843	1
1854	1
1857	1
1858	2
1860	4
1863	1
1867	1
1868	1
1869	2
1870	1
1874	2
1875	1
1876	1
1877	2
1879	1
1880	2
1885	3
1886	5
1887	6
1888	5
1889	1
1890	2
1891	1
1892	1
1893	10
1894	6
1895	2
1896	2
1897	4
1898	8
1899	2
1900	4
1901	11
1902	6
1903	25
1904	17
1905	29
1906	22
1907	11
1908	23
1909	30
1910	8
1911	54
1912	21
1913	34
1914	52
1915	26
1916	150
1917	93
1918	42
1919	19
1920	188
1921	193
1922	40
1923	428
1924	80
1925	275
1926	186
1927	109
1928	210
1929	221
1930	170
1931	432
1932	275
1933	451
1934	619
1935	340
1936	452
1937	245
1938	388
1939	395
1940	562
1941	371
1942	304
1943	397
1944	289
1945	299
1946	409
1947	394
1948	489
1949	512
1950	552
1951	322
1952	581
1953	345
1954	504
1955	787
1956	506
1957	289
1958	344
1959	391
1960	793
1961	511
1962	378
1963	308
1964	483
1965	978
1966	527
1967	282
1968	530
1969	506
1970	431
1971	2,319
1972	758
1973	434
1974	569
1975	1,048
1976	590
1977	641
1978	646
1979	761
1980	962
1981	851
1982	821
1983	904
1984	997
1985	1,029
1986	952
1987	1,084
1988	826
1989	1,227
1990	795
1991	734
1992	1,003
1993	965
1994	1,631
1995	1,207
1996	1,317
1997	933
1998	1,240
1999	1,456
2000	1,030
2001	1,400
2002	1,346
2003	1,163
2004	936
2005	788
2006	1,103
2007	1,160
2008	763
2009	1,328
2010	1,331
2011	1,003
2012	731
2013	737
2014	1,199
2015	682
2016	460
2017	464
2018	1,038
2019	486
2020	763
2021	839
2022	845
2023	683
2024	705
2025	869
2026	1,001

Download the Data

Data for records on 2020-07-30: 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).

Margin	Records
0 to 20	561
20 to 40	29
40 to 60	7
60 to 80	1
80 to 100	1
100 to 120	2