Weather Records on 24 September 1917

87 weather records were set or tied worldwide on 24 September 1917. Highest significance: Springsure Comet St, AU.

Key Facts for 24 September 1917

On 24 September 1917, 87 weather records were set or tied at long-record stations worldwide.
9 were record highs and 12 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 5 monthly and 82 daily.
Springsure Comet St set a monthly record daily precipitation of 90.2 mm (3.6 in) on 24 September 1917.
Across 166 earlier years (1803 to 2026) the same calendar date averaged 429 records.

Record Map

87 stations

87 station records on 24 September 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 24 September 1917: highest significance records shown on the map
Station	Country	Type	Value	Significance
Springsure Comet St	Australia	Record daily precipitation	90.2 mm (3.6 in)	63 of 100 (Major)
Morven Post Office	Australia	Record daily precipitation	55.9 mm (2.2 in)	51 of 100 (Notable)
Alpha Post Office	Australia	Record daily precipitation	67.8 mm (2.7 in)	48 of 100 (Notable)
Nanango Wills St	Australia	Record daily precipitation	39.9 mm (1.6 in)	45 of 100 (Notable)
Cambooya Post Office	Australia	Record daily precipitation	37.1 mm (1.5 in)	44 of 100 (Notable)
Blackall Township	Australia	Record daily precipitation	57.2 mm (2.3 in)	43 of 100 (Notable)
Dalby Post Office	Australia	Record daily precipitation	43.2 mm (1.7 in)	43 of 100 (Notable)
Pittsworth	Australia	Record daily precipitation	38.1 mm (1.5 in)	43 of 100 (Notable)
Tambo Post Office	Australia	Record daily precipitation	51.6 mm (2.0 in)	41 of 100 (Notable)
Toowoomba	Australia	Record daily precipitation	38.1 mm (1.5 in)	40 of 100 (Notable)
Surat	Australia	Record daily precipitation	43.2 mm (1.7 in)	37 of 100 (Notable)
Taroom Post Office	Australia	Record daily precipitation	81.0 mm (3.2 in)	35 of 100 (Notable)
Langmorn	Australia	Record daily precipitation	48.8 mm (1.9 in)	34 of 100 (Routine)
Isisford Post Office	Australia	Record daily precipitation	44.7 mm (1.8 in)	33 of 100 (Routine)
Cape Moreton Lighthouse	Australia	Record daily precipitation	43.2 mm (1.7 in)	32 of 100 (Routine)
Allora Post Office	Australia	Record daily precipitation	31.5 mm (1.2 in)	31 of 100 (Routine)
Warwick Post Office	Australia	Record daily precipitation	30.2 mm (1.2 in)	28 of 100 (Routine)
Charleville Post Office	Australia	Record daily precipitation	30.2 mm (1.2 in)	27 of 100 (Routine)
Hambantota	Sri Lanka	Record low maximum temperature	26.0 C (78.8 F)	27 of 100 (Routine)
Camboon Station	Australia	Record daily precipitation	38.1 mm (1.5 in)	25 of 100 (Routine)
Englesberg Village	Australia	Record daily precipitation	31.8 mm (1.3 in)	25 of 100 (Routine)
Bologna	Italy	Record high minimum temperature	20.4 C (68.7 F)	25 of 100 (Routine)
Perth Regional Office	Australia	Record daily precipitation	25.9 mm (1.0 in)	24 of 100 (Routine)
Wanaaring Station	Australia	Record daily precipitation	38.1 mm (1.5 in)	24 of 100 (Routine)
Hawkwood Station	Australia	Record daily precipitation	55.9 mm (2.2 in)	22 of 100 (Routine)
Caboolture Post Office	Australia	Record daily precipitation	25.7 mm (1.0 in)	22 of 100 (Routine)
Clermont Sirius St	Australia	Record daily precipitation	19.3 mm (0.8 in)	20 of 100 (Routine)
Emerald Post Office	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Boorara	Australia	Record daily precipitation	8.9 mm (0.35 in)	20 of 100 (Routine)
Kilkivan Post Office	Australia	Record daily precipitation	22.1 mm (0.9 in)	20 of 100 (Routine)
Inglewood Post Office	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Woodford Post Office	Australia	Record daily precipitation	24.9 mm (1.0 in)	20 of 100 (Routine)
Montgomery Wb City	United States	Record low maximum temperature	19.4 C (66.9 F)	20 of 100 (Routine)
Aramac Post Office	Australia	Record daily precipitation	20.3 mm (0.8 in)	19 of 100 (Routine)
Maneroo	Australia	Record daily precipitation	25.4 mm (1.0 in)	19 of 100 (Routine)
Beenleigh Post Office	Australia	Record daily precipitation	24.6 mm (1.0 in)	19 of 100 (Routine)
Margate Collins St	Australia	Record daily precipitation	22.9 mm (0.9 in)	19 of 100 (Routine)
Leyburn Post Office	Australia	Record daily precipitation	34.3 mm (1.4 in)	19 of 100 (Routine)
Wahgunyah	Australia	Record daily precipitation	6.9 mm (0.27 in)	19 of 100 (Routine)
Gympie	Australia	Record daily precipitation	20.3 mm (0.8 in)	17 of 100 (Routine)
Brisbane Regional Office	Australia	Record daily precipitation	25.1 mm (1.0 in)	17 of 100 (Routine)
Harrow (Pine Hills)	Australia	Record daily precipitation	16.8 mm (0.7 in)	17 of 100 (Routine)
Roseberry	Australia	Record daily precipitation	16.8 mm (0.7 in)	16 of 100 (Routine)
Cape May 2 NW	United States	Record low maximum temperature	16.7 C (62.1 F)	16 of 100 (Routine)
Tilcha	Australia	Record daily precipitation	8.1 mm (0.32 in)	15 of 100 (Routine)
Williamstown	Australia	Record daily precipitation	19.1 mm (0.8 in)	15 of 100 (Routine)
Warracknabeal Post Office	Australia	Record daily precipitation	13.0 mm (0.5 in)	15 of 100 (Routine)
St Albans	Canada	Record high minimum temperature	16.1 C (61.0 F)	15 of 100 (Routine)
Goondiwindi Post Office	Australia	Record daily precipitation	10.2 mm (0.4 in)	14 of 100 (Routine)
Winnipeg St Johns Coll	Canada	Record high minimum temperature	16.1 C (61.0 F)	13 of 100 (Routine)
Buffelsfontein 14	South Africa	Record daily precipitation	1.5 mm (0.06 in)	13 of 100 (Routine)
Nemours (Ghazaouet)	Algeria	Record high minimum temperature	22.0 C (71.6 F)	12 of 100 (Routine)
St George Post Office	Australia	Record daily precipitation	6.1 mm (0.24 in)	12 of 100 (Routine)
Harden (East St)	Australia	Record daily precipitation	5.1 mm (0.20 in)	12 of 100 (Routine)
Greenville Dwtn AP	United States	Record low maximum temperature	18.9 C (66.0 F)	12 of 100 (Routine)
Yalata	Australia	Record daily precipitation	10.2 mm (0.4 in)	11 of 100 (Routine)
Freeling Railway	Australia	Record daily precipitation	22.1 mm (0.9 in)	11 of 100 (Routine)
Esk Post Office	Australia	Record daily precipitation	52.8 mm (2.1 in)	11 of 100 (Routine)
Booreegamma	Australia	Record daily precipitation	7.1 mm (0.28 in)	11 of 100 (Routine)
Stony Mountain	Canada	Record high minimum temperature	13.9 C (57.0 F)	11 of 100 (Routine)

Counts by Type and Timescale

87 records

Records set or tied on 24 September 1917 by type: Highest daily maximum 3, Lowest daily maximum 8, Highest daily minimum 6, Lowest daily minimum 4, Heaviest daily rainfall 66.

Records on 24 September 1917 by type
Record type	Records
Highest daily maximum	3
Lowest daily maximum	8
Highest daily minimum	6
Lowest daily minimum	4
Heaviest daily rainfall	66
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 24 September 1917 by timescale: all-time 0, monthly 5, daily 82.

How Much Records Were Beaten By

76 broken records

Margins by which the 76 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 62.7. Ties are not counted.

Top 20 by Significance

24 September 1917

Top 20 records on 24 September 1917 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 September 1917	Springsure Comet St, AU	monthly rain	90.2 mm (3.6 in)	38.1 mm (1.5 in)	27 years	63 of 100 (Major)
24 September 1917	Morven Post Office, AU	daily rain	55.9 mm (2.2 in)	47.8 mm (1.9 in)	28 years	51 of 100 (Notable)
24 September 1917	Alpha Post Office, AU	daily rain	67.8 mm (2.7 in)	62.7 mm (2.5 in)	18 years	48 of 100 (Notable)
24 September 1917	Nanango Wills St, AU	daily rain	39.9 mm (1.6 in)	36.9 mm (1.5 in)	29 years	45 of 100 (Notable)
24 September 1917	Cambooya Post Office, AU	daily rain	37.1 mm (1.5 in)	31.5 mm (1.2 in)	26 years	44 of 100 (Notable)
24 September 1917	Blackall Township, AU	daily rain	57.2 mm (2.3 in)	53.4 mm (2.1 in)	0 years	43 of 100 (Notable)
24 September 1917	Dalby Post Office, AU	daily rain	43.2 mm (1.7 in)	33.8 mm (1.3 in)	18 years	43 of 100 (Notable)
24 September 1917	Pittsworth, AU	daily rain	38.1 mm (1.5 in)	30.0 mm (1.2 in)	29 years	43 of 100 (Notable)
24 September 1917	Tambo Post Office, AU	daily rain	51.6 mm (2.0 in)	49.6 mm (2.0 in)	0 years	41 of 100 (Notable)
24 September 1917	Toowoomba, AU	daily rain	38.1 mm (1.5 in)	25.4 mm (1.0 in)	26 years	40 of 100 (Notable)
24 September 1917	Surat, AU	daily rain	43.2 mm (1.7 in)	34.8 mm (1.4 in)	27 years	37 of 100 (Notable)
24 September 1917	Taroom Post Office, AU	monthly rain	81.0 mm (3.2 in)	21.6 mm (0.9 in)	14 years	35 of 100 (Notable)
24 September 1917	Langmorn, AU	daily rain	48.8 mm (1.9 in)	34.8 mm (1.4 in)	19 years	34 of 100 (Routine)
24 September 1917	Isisford Post Office, AU	daily rain	44.7 mm (1.8 in)	37.8 mm (1.5 in)	0 years	33 of 100 (Routine)
24 September 1917	Cape Moreton Lighthouse, AU	daily rain	43.2 mm (1.7 in)	31.8 mm (1.3 in)	19 years	32 of 100 (Routine)
24 September 1917	Allora Post Office, AU	daily rain	31.5 mm (1.2 in)	19.8 mm (0.8 in)	28 years	31 of 100 (Routine)
24 September 1917	Warwick Post Office, AU	daily rain	30.2 mm (1.2 in)	15.5 mm (0.6 in)	24 years	28 of 100 (Routine)
24 September 1917	Charleville Post Office, AU	daily rain	30.2 mm (1.2 in)	21.8 mm (0.9 in)	0 years	27 of 100 (Routine)
24 September 1917	Hambantota, LK	daily low max	26.0 C (78.8 F)	1.8 C (3.2 F)	45 years	27 of 100 (Routine)
24 September 1917	Camboon Station, AU	daily rain	38.1 mm (1.5 in)	21.8 mm (0.9 in)	6 years	25 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

1803 to 1917

Records set or tied on this calendar date in each year from 1803 to 1917. 1917 had 87 records.

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

Records on 09-24 in each year
Year	Records
1803	1
1835	1
1836	1
1842	1
1847	1
1852	2
1854	2
1857	2
1858	1
1859	1
1860	1
1863	1
1864	1
1865	1
1866	1
1867	2
1868	1
1870	3
1871	1
1872	1
1873	1
1874	2
1875	2
1876	1
1877	3
1878	2
1881	5
1884	1
1885	2
1887	1
1889	5
1890	1
1891	2
1892	5
1893	1
1894	2
1895	7
1896	2
1898	1
1899	4
1900	5
1901	3
1902	10
1903	8
1904	9
1905	7
1906	5
1907	20
1908	23
1909	31
1910	8
1911	11
1912	49
1913	9
1914	23
1915	159
1916	253
1917	87
1918	7
1919	26
1920	69
1921	23
1922	49
1923	70
1924	175
1925	146
1926	630
1927	194
1928	603
1929	137
1930	488
1931	463
1932	354
1933	424
1934	367
1935	449
1936	329
1937	237
1938	355
1939	331
1940	319
1941	319
1942	918
1943	413
1944	334
1945	475
1946	425
1947	704
1948	422
1949	554
1950	778
1951	580
1952	425
1953	346
1954	269
1955	577
1956	427
1957	370
1958	725
1959	414
1960	487
1961	680
1962	360
1963	715
1964	329
1965	624
1966	410
1967	394
1968	433
1969	278
1970	1,046
1971	485
1972	480
1973	1,208
1974	1,204
1975	1,116
1976	556
1977	814
1978	619
1979	577
1980	633
1981	604
1982	702
1983	1,128
1984	1,565
1985	771
1986	1,207
1987	729
1988	740
1989	1,668
1990	969
1991	519
1992	1,250
1993	1,055
1994	842
1995	1,251
1996	676
1997	1,238
1998	945
1999	933
2000	1,966
2001	1,097
2002	885
2003	863
2004	600
2005	1,256
2006	1,306
2007	1,244
2008	633
2009	866
2010	1,340
2011	770
2012	545
2013	514
2014	764
2015	770
2016	732
2017	1,402
2018	497
2019	516
2020	754
2021	457
2022	395
2023	689
2024	778
2025	576
2026	389

Download the Data

Data for records on 1917-09-24: 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	43
10 to 20	14
20 to 30	6
30 to 40	9
40 to 50	2
50 to 60	1
60 to 70	1