Weather Records on 30 September 1925

211 weather records were set or tied worldwide on 30 September 1925. Highest significance: Eau Claire, US.

Key Facts for 30 September 1925

On 30 September 1925, 211 weather records were set or tied at long-record stations worldwide.
56 were record highs and 83 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 12 monthly and 199 daily.
Eau Claire set a daily record precipitation of 76.2 mm (3.0 in) on 30 September 1925.
Across 161 earlier years (1806 to 2026) the same calendar date averaged 441 records.

Record Map

211 stations

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

Weather records on 30 September 1925: highest significance records shown on the map
Station	Country	Type	Value	Significance
Eau Claire	United States	Record daily precipitation	76.2 mm (3.0 in)	49 of 100 (Notable)
Chaplin	Canada	Record daily snowfall	30.5 cm (12.0 in)	44 of 100 (Notable)
Worthington	United States	Record daily precipitation	108.0 mm (4.3 in)	44 of 100 (Notable)
Meadow Valley Rs	United States	Record daily precipitation	53.3 mm (2.1 in)	43 of 100 (Notable)
Iowa Falls	United States	Record daily precipitation	69.6 mm (2.7 in)	38 of 100 (Notable)
Grundy Ctr	United States	Record daily precipitation	86.6 mm (3.4 in)	37 of 100 (Notable)
Calgary Int'l A	Canada	Record daily snowfall	10.4 cm (4.1 in)	35 of 100 (Notable)
Grand Meadow	United States	Record daily precipitation	62.0 mm (2.4 in)	35 of 100 (Notable)
Chaplin	Canada	Record daily precipitation	30.5 mm (1.2 in)	33 of 100 (Routine)
Farmington 3NW	United States	Record daily precipitation	45.7 mm (1.8 in)	33 of 100 (Routine)
Qu'appelle	Canada	Record daily snowfall	7.6 cm (3.0 in)	31 of 100 (Routine)
Forest City 2 NNE	United States	Record daily precipitation	53.3 mm (2.1 in)	31 of 100 (Routine)
La Crosse River	United States	Record daily precipitation	48.3 mm (1.9 in)	30 of 100 (Routine)
Treherne	Canada	Record daily snowfall	7.6 cm (3.0 in)	29 of 100 (Routine)
Minnedosa	Canada	Record daily snowfall	10.2 cm (4.0 in)	28 of 100 (Routine)
Biskra	Algeria	Record low minimum temperature	12.0 C (53.6 F)	26 of 100 (Routine)
Toledo 3N	United States	Record daily precipitation	76.2 mm (3.0 in)	25 of 100 (Routine)
Nevada City	United States	Record low minimum temperature	-2.8 C (27.0 F)	24 of 100 (Routine)
Fairmont	United States	Record daily precipitation	50.8 mm (2.0 in)	23 of 100 (Routine)
Pine River 3 NE	United States	Record daily precipitation	31.8 mm (1.3 in)	23 of 100 (Routine)
Stevens Pt	United States	Record daily precipitation	42.2 mm (1.7 in)	23 of 100 (Routine)
Regina Int'l A	Canada	Record low maximum temperature	2.8 C (37.0 F)	21 of 100 (Routine)
Griggsville	United States	Record daily precipitation	29.2 mm (1.1 in)	21 of 100 (Routine)
Marshalltown	United States	Record daily precipitation	63.8 mm (2.5 in)	21 of 100 (Routine)
Great Falls 16St	United States	Record low maximum temperature	2.8 C (37.0 F)	21 of 100 (Routine)
Medford	United States	Record daily precipitation	43.2 mm (1.7 in)	21 of 100 (Routine)
Moxee	United States	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Eugene	United States	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Roto (Coombie)	Australia	Record daily precipitation	18.8 mm (0.7 in)	20 of 100 (Routine)
Gyzylarbat	Turkmenistan	Record daily precipitation	4.2 mm (0.17 in)	20 of 100 (Routine)
Swift Current	Canada	Record daily snowfall	4.6 cm (1.8 in)	20 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Medicine Hat A	Canada	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Regina Int'l A	Canada	Record daily snowfall	2.5 cm (1.0 in)	20 of 100 (Routine)
Fayette	United States	Record high minimum temperature	16.1 C (61.0 F)	19 of 100 (Routine)
Jamestown State Hosp	United States	Record low maximum temperature	6.1 C (43.0 F)	19 of 100 (Routine)
Neillsville 3ESE	United States	Record daily precipitation	64.3 mm (2.5 in)	19 of 100 (Routine)
Biskra	Algeria	Record low maximum temperature	23.0 C (73.4 F)	18 of 100 (Routine)
Qu'appelle	Canada	Record low maximum temperature	2.2 C (36.0 F)	18 of 100 (Routine)
Porthill	United States	Record low maximum temperature	8.9 C (48.0 F)	18 of 100 (Routine)
Albert Lea 3SE	United States	Record daily precipitation	38.1 mm (1.5 in)	18 of 100 (Routine)
Viroqua	United States	Record daily precipitation	26.7 mm (1.1 in)	18 of 100 (Routine)
Minnedosa	Canada	Record low maximum temperature	4.4 C (39.9 F)	17 of 100 (Routine)
Krakmo	Norway	Record daily precipitation	27.5 mm (1.1 in)	17 of 100 (Routine)
Chariton 1 E	United States	Record high minimum temperature	19.4 C (66.9 F)	17 of 100 (Routine)
Two Harbors	United States	Record daily precipitation	26.7 mm (1.1 in)	17 of 100 (Routine)
Lusk 2 SW	United States	Record high minimum temperature	13.9 C (57.0 F)	17 of 100 (Routine)
Swift Current	Canada	Record low maximum temperature	1.1 C (34.0 F)	16 of 100 (Routine)
Fitchburg 4 SE	United States	Record low minimum temperature	-1.1 C (30.0 F)	16 of 100 (Routine)
Crookston NW Exp STN	United States	Record daily precipitation	25.9 mm (1.0 in)	16 of 100 (Routine)
Mohall	United States	Record low maximum temperature	4.4 C (39.9 F)	16 of 100 (Routine)
The Dalles	United States	Record daily precipitation	7.6 mm (0.30 in)	16 of 100 (Routine)
Burlington	United States	Record low maximum temperature	8.9 C (48.0 F)	16 of 100 (Routine)
La Crosse Wb City	United States	Record daily precipitation	36.3 mm (1.4 in)	16 of 100 (Routine)
Tizi Ouzou	Algeria	Record low minimum temperature	10.0 C (50.0 F)	15 of 100 (Routine)
Constantine	Algeria	Record low minimum temperature	8.0 C (46.4 F)	15 of 100 (Routine)
Indian Head Cda	Canada	Record low maximum temperature	2.2 C (36.0 F)	15 of 100 (Routine)
St Albans	Canada	Record daily precipitation	11.7 mm (0.5 in)	15 of 100 (Routine)
Kirensk	Russia	Record high minimum temperature	8.2 C (46.8 F)	15 of 100 (Routine)
Santa Barbara	United States	Record low minimum temperature	6.1 C (43.0 F)	15 of 100 (Routine)

Counts by Type and Timescale

211 records

Records set or tied on 30 September 1925 by type: Highest daily maximum 12, Lowest daily maximum 50, Highest daily minimum 44, Lowest daily minimum 33, Heaviest daily rainfall 62, Heaviest daily snowfall 10.

Records on 30 September 1925 by type
Record type	Records
Highest daily maximum	12
Lowest daily maximum	50
Highest daily minimum	44
Lowest daily minimum	33
Heaviest daily rainfall	62
Heaviest daily snowfall	10
Deepest snow cover	0

Records on 30 September 1925 by timescale: all-time 0, monthly 12, daily 199.

How Much Records Were Beaten By

159 broken records

Margins by which the 159 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 105.2. Ties are not counted.

Top 20 by Significance

30 September 1925

Top 20 records on 30 September 1925 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 September 1925	Eau Claire, US	daily rain	76.2 mm (3.0 in)	53.8 mm (2.1 in)	22 years	49 of 100 (Notable)
30 September 1925	Chaplin, CA	monthly snowfall	30.5 cm (12.0 in)	10.2 cm (4.0 in)	35 years	44 of 100 (Notable)
30 September 1925	Worthington, US	daily rain	108.0 mm (4.3 in)	105.2 mm (4.1 in)	6 years	44 of 100 (Notable)
30 September 1925	Meadow Valley Rs, US	daily rain	53.3 mm (2.1 in)	42.6 mm (1.7 in)	26 years	43 of 100 (Notable)
30 September 1925	Iowa Falls, US	daily rain	69.6 mm (2.7 in)	46.0 mm (1.8 in)	6 years	38 of 100 (Notable)
30 September 1925	Grundy Ctr, US	daily rain	86.6 mm (3.4 in)	48.0 mm (1.9 in)	6 years	37 of 100 (Notable)
30 September 1925	Calgary Int'l A, CA	daily snowfall	10.4 cm (4.1 in)	10.4 cm (4.1 in)	40 years	35 of 100 (Notable)
30 September 1925	Grand Meadow, US	daily rain	62.0 mm (2.4 in)	41.2 mm (1.6 in)	12 years	35 of 100 (Notable)
30 September 1925	Chaplin, CA	daily rain	30.5 mm (1.2 in)	16.3 mm (0.6 in)	16 years	33 of 100 (Routine)
30 September 1925	Farmington 3NW, US	daily rain	45.7 mm (1.8 in)	35.0 mm (1.4 in)	31 years	33 of 100 (Routine)
30 September 1925	Qu'appelle, CA	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	41 years	31 of 100 (Routine)
30 September 1925	Forest City 2 NNE, US	daily rain	53.3 mm (2.1 in)	33.0 mm (1.3 in)	14 years	31 of 100 (Routine)
30 September 1925	La Crosse River, US	daily rain	48.3 mm (1.9 in)	28.5 mm (1.1 in)	23 years	30 of 100 (Routine)
30 September 1925	Treherne, CA	monthly snowfall	7.6 cm (3.0 in)	5.1 cm (2.0 in)	17 years	29 of 100 (Routine)
30 September 1925	Minnedosa, CA	daily snowfall	10.2 cm (4.0 in)	9.9 cm (3.9 in)	16 years	28 of 100 (Routine)
30 September 1925	Biskra, DZ	daily low min	12.0 C (53.6 F)	2.8 C (5.0 F)	44 years	26 of 100 (Routine)
30 September 1925	Toledo 3N, US	daily rain	76.2 mm (3.0 in)	32.3 mm (1.3 in)	6 years	25 of 100 (Routine)
30 September 1925	Nevada City, US	monthly low min	-2.8 C (27.0 F)	1.7 C (3.1 F)	20 years	24 of 100 (Routine)
30 September 1925	Fairmont, US	daily rain	50.8 mm (2.0 in)	22.9 mm (0.9 in)	14 years	23 of 100 (Routine)
30 September 1925	Pine River 3 NE, US	daily rain	31.8 mm (1.3 in)	14.5 mm (0.6 in)	28 years	23 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

1806 to 1925

Records set or tied on this calendar date in each year from 1806 to 1925. 1925 had 211 records.

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

Records on 09-30 in each year
Year	Records
1806	1
1813	1
1817	1
1819	2
1834	1
1841	1
1842	1
1847	1
1853	1
1854	1
1855	1
1861	1
1862	1
1866	1
1868	2
1869	3
1870	1
1874	1
1877	1
1878	1
1881	5
1883	2
1885	1
1886	3
1887	1
1888	4
1889	1
1892	2
1893	3
1894	8
1895	5
1896	2
1897	3
1898	3
1899	12
1900	4
1901	11
1902	7
1903	9
1904	14
1905	25
1906	14
1907	16
1908	18
1909	10
1910	5
1911	47
1912	47
1913	10
1914	33
1915	84
1916	209
1917	19
1918	45
1919	28
1920	71
1921	61
1922	71
1923	183
1924	243
1925	211
1926	194
1927	486
1928	560
1929	181
1930	110
1931	225
1932	363
1933	437
1934	398
1935	209
1936	432
1937	417
1938	428
1939	371
1940	316
1941	482
1942	405
1943	404
1944	369
1945	889
1946	320
1947	433
1948	267
1949	366
1950	731
1951	597
1952	504
1953	1,136
1954	1,059
1955	406
1956	350
1957	663
1958	442
1959	1,159
1960	161
1961	618
1962	202
1963	818
1964	332
1965	459
1966	592
1967	859
1968	449
1969	465
1970	334
1971	1,359
1972	676
1973	407
1974	742
1975	686
1976	775
1977	870
1978	399
1979	479
1980	832
1981	688
1982	806
1983	1,102
1984	1,267
1985	1,892
1986	1,805
1987	649
1988	453
1989	713
1990	665
1991	949
1992	980
1993	988
1994	816
1995	1,061
1996	1,396
1997	729
1998	1,206
1999	1,144
2000	887
2001	699
2002	677
2003	1,079
2004	573
2005	761
2006	617
2007	841
2008	585
2009	826
2010	1,059
2011	1,258
2012	637
2013	634
2014	529
2015	997
2016	746
2017	404
2018	717
2019	2,192
2020	554
2021	823
2022	563
2023	1,012
2024	948
2025	559
2026	523

Download the Data

Data for records on 1925-09-30: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	139
20 to 40	8
40 to 60	7
60 to 80	1
80 to 100	1
100 to 120	3