Weather Records on 30 July 1925

275 weather records were set or tied worldwide on 30 July 1925. Highest significance: Roswell Muni AP, US.

Key Facts for 30 July 1925

On 30 July 1925, 275 weather records were set or tied at long-record stations worldwide.
21 were record highs and 224 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 9 monthly and 266 daily.
Roswell Muni AP set a daily record precipitation of 31.5 mm (1.2 in) on 30 July 1925.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 441 records.

Record Map

275 stations

275 station records on 30 July 1925 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 1925: highest significance records shown on the map
Station	Country	Type	Value	Significance
Roswell Muni AP	United States	Record daily precipitation	31.5 mm (1.2 in)	34 of 100 (Routine)
Arapaho	United States	Record low maximum temperature	23.3 C (73.9 F)	33 of 100 (Routine)
Olathe 3E	United States	Record low maximum temperature	15.6 C (60.1 F)	28 of 100 (Routine)
Lebanon 2W	United States	Record low minimum temperature	8.9 C (48.0 F)	28 of 100 (Routine)
Scottsboro	United States	Record low minimum temperature	12.2 C (54.0 F)	25 of 100 (Routine)
Camden 1	United States	Record low maximum temperature	25.0 C (77.0 F)	25 of 100 (Routine)
Lake Moraine	United States	Record low maximum temperature	6.1 C (43.0 F)	25 of 100 (Routine)
Ogdensburg 4 NE	United States	Record low maximum temperature	13.3 C (55.9 F)	25 of 100 (Routine)
Stratford	Canada	Record low minimum temperature	7.2 C (45.0 F)	24 of 100 (Routine)
Valley Head	United States	Record low minimum temperature	12.2 C (54.0 F)	24 of 100 (Routine)
Ashland #2	United States	Record low maximum temperature	19.4 C (66.9 F)	24 of 100 (Routine)
Ogdensburg 4 NE	United States	Record low minimum temperature	4.4 C (39.9 F)	24 of 100 (Routine)
Rockville	United States	Record low maximum temperature	19.4 C (66.9 F)	23 of 100 (Routine)
Gadsden	United States	Record low minimum temperature	13.9 C (57.0 F)	22 of 100 (Routine)
Las Animas	United States	Record low maximum temperature	22.2 C (72.0 F)	22 of 100 (Routine)
Qu'appelle	Canada	Record low minimum temperature	1.1 C (34.0 F)	21 of 100 (Routine)
Palestine	United States	Record low maximum temperature	22.2 C (72.0 F)	21 of 100 (Routine)
St Louis Eads Brg	United States	Record low maximum temperature	20.0 C (68.0 F)	21 of 100 (Routine)
Pakri	Estonia	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Maristova	Norway	Record daily precipitation	18.0 mm (0.7 in)	20 of 100 (Routine)
El Paso	United States	Record daily precipitation	13.0 mm (0.5 in)	20 of 100 (Routine)
Cap Madeleine	Canada	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Malvern	United States	Record low maximum temperature	26.1 C (79.0 F)	20 of 100 (Routine)
Lamar	United States	Record low maximum temperature	26.7 C (80.1 F)	20 of 100 (Routine)
Havana	United States	Record low maximum temperature	21.7 C (71.1 F)	20 of 100 (Routine)
Cambridge City 3 N	United States	Record low maximum temperature	22.2 C (72.0 F)	20 of 100 (Routine)
Stillwater 2 W	United States	Record low maximum temperature	26.1 C (79.0 F)	20 of 100 (Routine)
Winnemucca AP	United States	Record high minimum temperature	19.4 C (66.9 F)	20 of 100 (Routine)
Tashkent	Uzbekistan	Record low minimum temperature	15.0 C (59.0 F)	20 of 100 (Routine)
Rome	United States	Record low minimum temperature	15.0 C (59.0 F)	19 of 100 (Routine)
Anderson 1 N	United States	Record low maximum temperature	22.2 C (72.0 F)	19 of 100 (Routine)
Seymour 1 WSW	United States	Record low maximum temperature	21.1 C (70.0 F)	19 of 100 (Routine)
Port Gibson 1 NE	United States	Record daily precipitation	36.8 mm (1.4 in)	19 of 100 (Routine)
Crosbyton	United States	Record daily precipitation	45.7 mm (1.8 in)	19 of 100 (Routine)
Texarkana Webb Fld	United States	Record low minimum temperature	18.3 C (64.9 F)	19 of 100 (Routine)
Micurinsk	Russia	Record daily precipitation	13.1 mm (0.5 in)	18 of 100 (Routine)
Gotska Sandon	Sweden	Record daily precipitation	17.1 mm (0.7 in)	18 of 100 (Routine)
Tarpon Spgs Sewage Plt	United States	Record high minimum temperature	26.7 C (80.1 F)	18 of 100 (Routine)
Decatur Wtp	United States	Record low maximum temperature	22.2 C (72.0 F)	18 of 100 (Routine)
Logan 1 WNW	United States	Record low maximum temperature	23.9 C (75.0 F)	18 of 100 (Routine)
Shelbyville 1 E	United States	Record low maximum temperature	22.2 C (72.0 F)	18 of 100 (Routine)
Hillsboro	United States	Record low maximum temperature	20.0 C (68.0 F)	18 of 100 (Routine)
Columbia Wb City	United States	Record low maximum temperature	23.3 C (73.9 F)	18 of 100 (Routine)
Toronto	Canada	Record low minimum temperature	8.3 C (46.9 F)	17 of 100 (Routine)
Zametchino	Russia	Record daily precipitation	12.0 mm (0.5 in)	17 of 100 (Routine)
Athens	United States	Record low minimum temperature	15.6 C (60.1 F)	17 of 100 (Routine)
Sparta 1 W	United States	Record low maximum temperature	23.9 C (75.0 F)	17 of 100 (Routine)
St Charles Elm Pt	United States	Record low maximum temperature	20.6 C (69.1 F)	17 of 100 (Routine)
Oakdale	United States	Record low maximum temperature	20.6 C (69.1 F)	17 of 100 (Routine)
Port Townsend	United States	Record high minimum temperature	14.4 C (57.9 F)	17 of 100 (Routine)
Pointe Au Pere	Canada	Record low maximum temperature	11.7 C (53.1 F)	16 of 100 (Routine)
Lamar	United States	Record daily precipitation	45.7 mm (1.8 in)	16 of 100 (Routine)
Norfolk	United States	Record low maximum temperature	21.7 C (71.1 F)	16 of 100 (Routine)
Grafton	United States	Record low maximum temperature	18.9 C (66.0 F)	16 of 100 (Routine)
Grafton 1 NE	United States	Record low minimum temperature	6.1 C (43.0 F)	16 of 100 (Routine)
Dubuque River	United States	Record daily precipitation	39.1 mm (1.5 in)	16 of 100 (Routine)
Constantine	Algeria	Record high maximum temperature	42.0 C (107.6 F)	15 of 100 (Routine)
Biskra	Algeria	Record high minimum temperature	30.0 C (86.0 F)	15 of 100 (Routine)
Fort Chipewyan	Canada	Record high maximum temperature	30.0 C (86.0 F)	15 of 100 (Routine)
Fayetteville	United States	Record low minimum temperature	14.4 C (57.9 F)	15 of 100 (Routine)

Counts by Type and Timescale

275 records

Records set or tied on 30 July 1925 by type: Highest daily maximum 11, Lowest daily maximum 122, Highest daily minimum 10, Lowest daily minimum 102, Heaviest daily rainfall 30.

Records on 30 July 1925 by type
Record type	Records
Highest daily maximum	11
Lowest daily maximum	122
Highest daily minimum	10
Lowest daily minimum	102
Heaviest daily rainfall	30
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 1925 by timescale: all-time 0, monthly 9, daily 266.

How Much Records Were Beaten By

210 broken records

Margins by which the 210 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 30.0. Ties are not counted.

Top 20 by Significance

30 July 1925

Top 20 records on 30 July 1925 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 1925	Roswell Muni AP, US	daily rain	31.5 mm (1.2 in)	30.0 mm (1.2 in)	29 years	34 of 100 (Routine)
30 July 1925	Arapaho, US	daily low max	23.3 C (73.9 F)	8.4 C (15.1 F)	29 years	33 of 100 (Routine)
30 July 1925	Olathe 3E, US	daily low max	15.6 C (60.1 F)	8.3 C (14.9 F)	19 years	28 of 100 (Routine)
30 July 1925	Lebanon 2W, US	daily low min	8.9 C (48.0 F)	6.1 C (11.0 F)	18 years	28 of 100 (Routine)
30 July 1925	Scottsboro, US	daily low min	12.2 C (54.0 F)	3.4 C (6.1 F)	27 years	25 of 100 (Routine)
30 July 1925	Camden 1, US	monthly low max	25.0 C (77.0 F)	0.6 C (1.1 F)	34 years	25 of 100 (Routine)
30 July 1925	Lake Moraine, US	monthly low max	6.1 C (43.0 F)	1.1 C (2.0 F)	30 years	25 of 100 (Routine)
30 July 1925	Ogdensburg 4 NE, US	daily low max	13.3 C (55.9 F)	5.6 C (10.1 F)	20 years	25 of 100 (Routine)
30 July 1925	Stratford, CA	daily low min	7.2 C (45.0 F)	0.6 C (1.1 F)	57 years	24 of 100 (Routine)
30 July 1925	Valley Head, US	daily low min	12.2 C (54.0 F)	3.4 C (6.1 F)	27 years	24 of 100 (Routine)
30 July 1925	Ashland #2, US	daily low max	19.4 C (66.9 F)	6.2 C (11.2 F)	25 years	24 of 100 (Routine)
30 July 1925	Ogdensburg 4 NE, US	monthly low min	4.4 C (39.9 F)	1.2 C (2.2 F)	27 years	24 of 100 (Routine)
30 July 1925	Rockville, US	monthly low max	19.4 C (66.9 F)	1.7 C (3.1 F)	20 years	23 of 100 (Routine)
30 July 1925	Gadsden, US	daily low min	13.9 C (57.0 F)	3.3 C (5.9 F)	11 years	22 of 100 (Routine)
30 July 1925	Las Animas, US	daily low max	22.2 C (72.0 F)	4.5 C (8.1 F)	25 years	22 of 100 (Routine)
30 July 1925	Qu'appelle, CA	daily low min	1.1 C (34.0 F)	3.3 C (5.9 F)	27 years	21 of 100 (Routine)
30 July 1925	Palestine, US	daily low max	22.2 C (72.0 F)	3.4 C (6.1 F)	29 years	21 of 100 (Routine)
30 July 1925	St Louis Eads Brg, US	monthly low max	20.0 C (68.0 F)	1.7 C (3.1 F)	10 years	21 of 100 (Routine)
30 July 1925	Pakri, EE	daily rain	24.9 mm (1.0 in)	15.3 mm (0.6 in)	16 years	20 of 100 (Routine)
30 July 1925	Maristova, NO	daily rain	18.0 mm (0.7 in)	10.0 mm (0.4 in)	4 years	20 of 100 (Routine)

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 1925

Records set or tied on this calendar date in each year from 1794 to 1925. 1925 had 275 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 1925-07-30: 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 2026-10-15 (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 5	191
5 to 10	11
10 to 15	3
15 to 20	4
20 to 25	0
25 to 30	1