Weather Records on 30 September 1924

243 weather records were set or tied worldwide on 30 September 1924. Highest significance: Clarksville, US.

Key Facts for 30 September 1924

On 30 September 1924, 243 weather records were set or tied at long-record stations worldwide.
29 were record highs and 90 were record lows, counting maximum and minimum temperature.
By timescale, 7 were all-time records, 40 monthly and 196 daily.
Clarksville set a daily record precipitation of 66.0 mm (2.6 in) on 30 September 1924.
Across 161 earlier years (1806 to 2026) the same calendar date averaged 441 records.

Record Map

243 stations

243 station records on 30 September 1924 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 September 1924: highest significance records shown on the map
Station	Country	Type	Value	Significance
Clarksville	United States	Record daily precipitation	66.0 mm (2.6 in)	52 of 100 (Notable)
Chicoutimi	Canada	Record daily precipitation	46.7 mm (1.8 in)	50 of 100 (Notable)
Wilkes Barre	United States	Record daily precipitation	127.0 mm (5.0 in)	48 of 100 (Notable)
Cairns Post Office	Australia	Record daily precipitation	40.9 mm (1.6 in)	47 of 100 (Notable)
Palermo	United States	Record daily precipitation	67.6 mm (2.7 in)	47 of 100 (Notable)
Weldon	United States	Record daily precipitation	115.1 mm (4.5 in)	46 of 100 (Notable)
Montreal McGill	Canada	Record daily precipitation	72.4 mm (2.9 in)	45 of 100 (Notable)
Bic	Canada	Record daily precipitation	58.2 mm (2.3 in)	45 of 100 (Notable)
Port Jervis	United States	Record daily precipitation	110.0 mm (4.3 in)	45 of 100 (Notable)
Jim Thorpe	United States	Record daily precipitation	134.1 mm (5.3 in)	45 of 100 (Notable)
Richmond City Locks	United States	Record daily precipitation	80.5 mm (3.2 in)	45 of 100 (Notable)
Harrisburg River Gage	United States	Record daily precipitation	97.5 mm (3.8 in)	44 of 100 (Notable)
Salisbury	United States	Record daily precipitation	61.5 mm (2.4 in)	41 of 100 (Notable)
Pointe Au Pere	Canada	Record daily precipitation	72.6 mm (2.9 in)	39 of 100 (Notable)
Waverley (Belltrees 2)	Australia	Record daily precipitation	33.5 mm (1.3 in)	38 of 100 (Notable)
Tizi Ouzou	Algeria	Record daily precipitation	29.0 mm (1.1 in)	37 of 100 (Notable)
Emmitsburg	United States	Record daily precipitation	77.7 mm (3.1 in)	36 of 100 (Notable)
Great Falls	United States	Record daily precipitation	104.1 mm (4.1 in)	36 of 100 (Notable)
Selinsgrove 2 S	United States	Record daily precipitation	96.5 mm (3.8 in)	36 of 100 (Notable)
Gloversville	United States	Record daily precipitation	75.7 mm (3.0 in)	35 of 100 (Notable)
Aberdeen (Main Rd)	Australia	Record daily precipitation	29.2 mm (1.1 in)	34 of 100 (Routine)
Elmira	United States	Record daily precipitation	101.6 mm (4.0 in)	34 of 100 (Routine)
Scone (Philip Street)	Australia	Record daily precipitation	26.2 mm (1.0 in)	32 of 100 (Routine)
Quebec	Canada	Record daily precipitation	97.0 mm (3.8 in)	32 of 100 (Routine)
Quakertown	United States	Record daily precipitation	83.1 mm (3.3 in)	32 of 100 (Routine)
Orleansville (Chlef)	Algeria	Record daily precipitation	39.0 mm (1.5 in)	31 of 100 (Routine)
Easton	United States	Record daily precipitation	71.6 mm (2.8 in)	31 of 100 (Routine)
Lexington Bluegrass AP	United States	Record low maximum temperature	8.3 C (46.9 F)	31 of 100 (Routine)
Washington	United States	Record daily precipitation	70.1 mm (2.8 in)	30 of 100 (Routine)
Glenville	United States	Record daily precipitation	39.9 mm (1.6 in)	29 of 100 (Routine)
Algiers-Ville/Universite	Algeria	Record daily precipitation	28.5 mm (1.1 in)	28 of 100 (Routine)
Muswellbrook (Lower Hill St)	Australia	Record daily precipitation	27.4 mm (1.1 in)	28 of 100 (Routine)
Scottsboro	United States	Record low maximum temperature	8.3 C (46.9 F)	28 of 100 (Routine)
Woodstock	United States	Record daily precipitation	77.5 mm (3.1 in)	27 of 100 (Routine)
Martinsburg E W Virginia Rgnl	United States	Record daily precipitation	52.3 mm (2.1 in)	27 of 100 (Routine)
Gundy (Miller St)	Australia	Record daily precipitation	25.4 mm (1.0 in)	26 of 100 (Routine)
Belltrees 1	Australia	Record daily precipitation	25.9 mm (1.0 in)	26 of 100 (Routine)
Nelson Bay (Nelson Head)	Australia	Record daily precipitation	64.3 mm (2.5 in)	25 of 100 (Routine)
Stroud Post Office	Australia	Record daily precipitation	39.9 mm (1.6 in)	25 of 100 (Routine)
Kurrajong Heights (Bells Line	Australia	Record daily precipitation	38.1 mm (1.5 in)	25 of 100 (Routine)
Alberni Beaver Creek	Canada	Record daily precipitation	43.2 mm (1.7 in)	25 of 100 (Routine)
Stewarts Brook Composite	Australia	Record daily precipitation	26.7 mm (1.1 in)	24 of 100 (Routine)
Richmond	United States	Record daily precipitation	33.3 mm (1.3 in)	24 of 100 (Routine)
Buffalo	United States	Record low maximum temperature	6.7 C (44.1 F)	24 of 100 (Routine)
Mc Connellsville Lk 7	United States	Record low maximum temperature	10.0 C (50.0 F)	24 of 100 (Routine)
Conway	United States	Record daily precipitation	75.7 mm (3.0 in)	24 of 100 (Routine)
Austin	United States	Record low minimum temperature	5.6 C (42.1 F)	24 of 100 (Routine)
Findlay Wpcc	United States	Record low maximum temperature	10.0 C (50.0 F)	23 of 100 (Routine)
New Martinsville 4 NNE	United States	Record daily precipitation	29.2 mm (1.1 in)	23 of 100 (Routine)
Dahlonega 4WSW	United States	Record low maximum temperature	13.3 C (55.9 F)	22 of 100 (Routine)
Belvidere	United States	Record daily precipitation	98.6 mm (3.9 in)	22 of 100 (Routine)
Alexandria 4 WSW	United States	Record low maximum temperature	10.0 C (50.0 F)	22 of 100 (Routine)
Green	United States	Record low maximum temperature	11.7 C (53.1 F)	22 of 100 (Routine)
Kingstree	United States	Record daily precipitation	76.2 mm (3.0 in)	22 of 100 (Routine)
Rowlesburg 1	United States	Record daily precipitation	39.4 mm (1.6 in)	22 of 100 (Routine)
Sidi-Bel-Abbes	Algeria	Record daily precipitation	32.0 mm (1.3 in)	21 of 100 (Routine)
Ottawa Cda	Canada	Record daily precipitation	34.8 mm (1.4 in)	21 of 100 (Routine)
Stoney Creek	Canada	Record low maximum temperature	8.9 C (48.0 F)	21 of 100 (Routine)
Jeffersonville	United States	Record low maximum temperature	12.8 C (55.0 F)	21 of 100 (Routine)
Bowling Green Wwtp	United States	Record low maximum temperature	9.4 C (48.9 F)	21 of 100 (Routine)

Counts by Type and Timescale

243 records

Records set or tied on 30 September 1924 by type: Highest daily maximum 8, Lowest daily maximum 64, Highest daily minimum 21, Lowest daily minimum 26, Heaviest daily rainfall 124.

Records on 30 September 1924 by type
Record type	Records
Highest daily maximum	8
Lowest daily maximum	64
Highest daily minimum	21
Lowest daily minimum	26
Heaviest daily rainfall	124
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 September 1924 by timescale: all-time 7, monthly 40, daily 196.

How Much Records Were Beaten By

189 broken records

Margins by which the 189 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 68.1. Ties are not counted.

Top 20 by Significance

30 September 1924

Top 20 records on 30 September 1924 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 September 1924	Clarksville, US	daily rain	66.0 mm (2.6 in)	59.4 mm (2.3 in)	30 years	52 of 100 (Notable)
30 September 1924	Chicoutimi, CA	daily rain	46.7 mm (1.8 in)	35.0 mm (1.4 in)	17 years	50 of 100 (Notable)
30 September 1924	Wilkes Barre, US	all-time rain	127.0 mm (5.0 in)	24.9 mm (1.0 in)	29 years	48 of 100 (Notable)
30 September 1924	Cairns Post Office, AU	daily rain	40.9 mm (1.6 in)	24.9 mm (1.0 in)	32 years	47 of 100 (Notable)
30 September 1924	Palermo, US	daily rain	67.6 mm (2.7 in)	49.8 mm (2.0 in)	15 years	47 of 100 (Notable)
30 September 1924	Weldon, US	daily rain	115.1 mm (4.5 in)	62.0 mm (2.4 in)	29 years	46 of 100 (Notable)
30 September 1924	Montreal McGill, CA	monthly rain	72.4 mm (2.9 in)	14.5 mm (0.6 in)	52 years	45 of 100 (Notable)
30 September 1924	Bic, CA	daily rain	58.2 mm (2.3 in)	32.8 mm (1.3 in)	24 years	45 of 100 (Notable)
30 September 1924	Port Jervis, US	daily rain	110.0 mm (4.3 in)	66.6 mm (2.6 in)	4 years	45 of 100 (Notable)
30 September 1924	Jim Thorpe, US	all-time rain	134.1 mm (5.3 in)	19.0 mm (0.7 in)	30 years	45 of 100 (Notable)
30 September 1924	Richmond City Locks, US	daily rain	80.5 mm (3.2 in)	68.1 mm (2.7 in)	8 years	45 of 100 (Notable)
30 September 1924	Harrisburg River Gage, US	daily rain	97.5 mm (3.8 in)	63.7 mm (2.5 in)	4 years	44 of 100 (Notable)
30 September 1924	Salisbury, US	daily rain	61.5 mm (2.4 in)	48.8 mm (1.9 in)	14 years	41 of 100 (Notable)
30 September 1924	Pointe Au Pere, CA	all-time rain	72.6 mm (2.9 in)	8.6 mm (0.34 in)	11 years	39 of 100 (Notable)
30 September 1924	Waverley (Belltrees 2), AU	daily rain	33.5 mm (1.3 in)	24.6 mm (1.0 in)	16 years	38 of 100 (Notable)
30 September 1924	Tizi Ouzou, DZ	daily rain	29.0 mm (1.1 in)	20.5 mm (0.8 in)	37 years	37 of 100 (Notable)
30 September 1924	Emmitsburg, US	daily rain	77.7 mm (3.1 in)	39.6 mm (1.6 in)	24 years	36 of 100 (Notable)
30 September 1924	Great Falls, US	all-time rain	104.1 mm (4.1 in)	12.7 mm (0.5 in)	17 years	36 of 100 (Notable)
30 September 1924	Selinsgrove 2 S, US	all-time rain	96.5 mm (3.8 in)	5.8 mm (0.23 in)	31 years	36 of 100 (Notable)
30 September 1924	Gloversville, US	monthly rain	75.7 mm (3.0 in)	19.8 mm (0.8 in)	11 years	35 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

1806 to 1924

Records set or tied on this calendar date in each year from 1806 to 1924. 1924 had 243 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 1924-09-30: 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 10	127
10 to 20	28
20 to 30	18
30 to 40	6
40 to 50	5
50 to 60	1
60 to 70	4