Weather Records on 24 July 1940

568 weather records were set or tied worldwide on 24 July 1940. Highest significance: Harpers Ferry River, US.

Key Facts for 24 July 1940

On 24 July 1940, 568 weather records were set or tied at long-record stations worldwide.
405 were record highs and 15 were record lows, counting maximum and minimum temperature.
By timescale, 29 were all-time records, 6 monthly and 533 daily.
Harpers Ferry River set a monthly record daily precipitation of 84.6 mm (3.3 in) on 24 July 1940.
Across 158 earlier years (1799 to 2026) the same calendar date averaged 476 records.

Record Map

568 stations

568 station records on 24 July 1940 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 24 July 1940: highest significance records shown on the map
Station	Country	Type	Value	Significance
Harpers Ferry River	United States	Record daily precipitation	84.6 mm (3.3 in)	49 of 100 (Notable)
Montreal McGill	Canada	Record daily precipitation	45.0 mm (1.8 in)	46 of 100 (Notable)
Nelson	Australia	Record daily precipitation	28.4 mm (1.1 in)	40 of 100 (Notable)
Sivaganga	India	Record daily precipitation	53.3 mm (2.1 in)	39 of 100 (Notable)
Hanumangarh	India	Record daily precipitation	142.2 mm (5.6 in)	38 of 100 (Notable)
Macdonald College	Canada	Record daily precipitation	61.7 mm (2.4 in)	36 of 100 (Notable)
Bhagalpur	India	Record daily precipitation	76.2 mm (3.0 in)	36 of 100 (Notable)
Jalpaiguri	India	Record daily precipitation	173.2 mm (6.8 in)	34 of 100 (Routine)
Tallahassee	United States	Record daily precipitation	69.9 mm (2.8 in)	34 of 100 (Routine)
Lodgepole	United States	Record high maximum temperature	44.4 C (111.9 F)	34 of 100 (Routine)
Purdum	United States	Record high minimum temperature	26.7 C (80.1 F)	33 of 100 (Routine)
Nigriting	India	Record daily precipitation	86.9 mm (3.4 in)	32 of 100 (Routine)
Golaghat	India	Record daily precipitation	137.2 mm (5.4 in)	30 of 100 (Routine)
Virudhunagar	India	Record daily precipitation	39.9 mm (1.6 in)	30 of 100 (Routine)
Wentworth 2.5 WNW	United States	Record high maximum temperature	43.3 C (109.9 F)	30 of 100 (Routine)
Armour	United States	Record high maximum temperature	46.7 C (116.1 F)	28 of 100 (Routine)
Cobar Post Office	Australia	Record high minimum temperature	10.1 C (50.2 F)	27 of 100 (Routine)
Marrawah (State School)	Australia	Record daily precipitation	25.4 mm (1.0 in)	27 of 100 (Routine)
Alapaha Exp STN	United States	Record high maximum temperature	41.1 C (106.0 F)	27 of 100 (Routine)
Brookings 2 NE	United States	Record high maximum temperature	42.8 C (109.0 F)	27 of 100 (Routine)
Flandreau	United States	Record high maximum temperature	44.4 C (111.9 F)	27 of 100 (Routine)
Purdum	United States	Record high maximum temperature	45.6 C (114.1 F)	26 of 100 (Routine)
Lake Placid 2 S	United States	Record daily precipitation	31.2 mm (1.2 in)	26 of 100 (Routine)
Academy 2NE	United States	Record high maximum temperature	46.7 C (116.1 F)	26 of 100 (Routine)
Gann Valley 4NW	United States	Record high minimum temperature	28.9 C (84.0 F)	26 of 100 (Routine)
Mitchell 2 N	United States	Record high maximum temperature	46.7 C (116.1 F)	26 of 100 (Routine)
Peapalli(Pyapali)	India	Record daily precipitation	30.0 mm (1.2 in)	25 of 100 (Routine)
Atkinson 3SW	United States	Record high maximum temperature	44.4 C (111.9 F)	25 of 100 (Routine)
Curtis	United States	Record high maximum temperature	44.4 C (111.9 F)	25 of 100 (Routine)
Fremont	United States	Record high minimum temperature	24.4 C (75.9 F)	25 of 100 (Routine)
Watertown Rgnl AP	United States	Record high maximum temperature	42.8 C (109.0 F)	25 of 100 (Routine)
Moores Hill	United States	Record high minimum temperature	26.7 C (80.1 F)	24 of 100 (Routine)
Mount Gambier Post Office	Australia	Record daily precipitation	26.4 mm (1.0 in)	23 of 100 (Routine)
Nordby (Fano)	Denmark	Record daily precipitation	25.0 mm (1.0 in)	23 of 100 (Routine)
Morris W Cntrl Rsch & Outreach	United States	Record high maximum temperature	37.8 C (100.0 F)	23 of 100 (Routine)
Waratah (Mount Road)	Australia	Record daily precipitation	46.5 mm (1.8 in)	22 of 100 (Routine)
Peterborough	Canada	Record high maximum temperature	34.4 C (93.9 F)	22 of 100 (Routine)
Manistee 3SE	United States	Record high maximum temperature	35.0 C (95.0 F)	22 of 100 (Routine)
David City 4E	United States	Record high minimum temperature	25.6 C (78.1 F)	22 of 100 (Routine)
Little Mtn	United States	Record high minimum temperature	25.0 C (77.0 F)	22 of 100 (Routine)
Niulii 179	United States	Record high minimum temperature	23.3 C (73.9 F)	22 of 100 (Routine)
Hamburg Fuhlsbuettel	Germany	Record low minimum temperature	8.2 C (46.8 F)	21 of 100 (Routine)
Jagraon	India	Record daily precipitation	68.6 mm (2.7 in)	21 of 100 (Routine)
Crescent City 3 NNW	United States	Record high minimum temperature	15.6 C (60.1 F)	21 of 100 (Routine)
Pauls Valley 4 WSW	United States	Record daily precipitation	25.4 mm (1.0 in)	21 of 100 (Routine)
Puralka	Australia	Record daily precipitation	22.9 mm (0.9 in)	20 of 100 (Routine)
Warooka	Australia	Record daily precipitation	16.3 mm (0.6 in)	20 of 100 (Routine)
Frances	Australia	Record daily precipitation	20.3 mm (0.8 in)	20 of 100 (Routine)
Balmoral (Post Office)	Australia	Record daily precipitation	15.0 mm (0.6 in)	20 of 100 (Routine)
Edithburgh Post Office	Australia	Record daily precipitation	12.7 mm (0.5 in)	20 of 100 (Routine)
Casterton (Roseneath)	Australia	Record daily precipitation	18.5 mm (0.7 in)	20 of 100 (Routine)
Bordertown	Australia	Record daily precipitation	16.5 mm (0.6 in)	20 of 100 (Routine)
Kybybolite Research Centre	Australia	Record daily precipitation	21.3 mm (0.8 in)	20 of 100 (Routine)
Serviceton	Australia	Record daily precipitation	13.7 mm (0.5 in)	20 of 100 (Routine)
Dergholm (Hillgrove)	Australia	Record daily precipitation	19.1 mm (0.8 in)	20 of 100 (Routine)
Brentwood Post Office	Australia	Record daily precipitation	16.0 mm (0.6 in)	20 of 100 (Routine)
Lucindale Post Office	Australia	Record daily precipitation	20.1 mm (0.8 in)	20 of 100 (Routine)
Naracoorte Cave Range	Australia	Record daily precipitation	16.8 mm (0.7 in)	20 of 100 (Routine)
Penola Post Office	Australia	Record daily precipitation	18.3 mm (0.7 in)	20 of 100 (Routine)
Minimay (Booroopki)	Australia	Record daily precipitation	17.8 mm (0.7 in)	20 of 100 (Routine)

Counts by Type and Timescale

568 records

Records set or tied on 24 July 1940 by type: Highest daily maximum 201, Lowest daily maximum 7, Highest daily minimum 204, Lowest daily minimum 8, Heaviest daily rainfall 148.

Records on 24 July 1940 by type
Record type	Records
Highest daily maximum	201
Lowest daily maximum	7
Highest daily minimum	204
Lowest daily minimum	8
Heaviest daily rainfall	148
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 24 July 1940 by timescale: all-time 29, monthly 6, daily 533.

How Much Records Were Beaten By

390 broken records

Margins by which the 390 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 88.1. Ties are not counted.

Top 20 by Significance

24 July 1940

Top 20 records on 24 July 1940 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
24 July 1940	Harpers Ferry River, US	monthly rain	84.6 mm (3.3 in)	33.0 mm (1.3 in)	14 years	49 of 100 (Notable)
24 July 1940	Montreal McGill, CA	daily rain	45.0 mm (1.8 in)	27.7 mm (1.1 in)	42 years	46 of 100 (Notable)
24 July 1940	Nelson, AU	daily rain	28.4 mm (1.1 in)	15.4 mm (0.6 in)	25 years	40 of 100 (Notable)
24 July 1940	Sivaganga, IN	daily rain	53.3 mm (2.1 in)	37.3 mm (1.5 in)	30 years	39 of 100 (Notable)
24 July 1940	Hanumangarh, IN	all-time rain	142.2 mm (5.6 in)	15.2 mm (0.6 in)	32 years	38 of 100 (Notable)
24 July 1940	Macdonald College, CA	monthly rain	61.7 mm (2.4 in)	16.5 mm (0.6 in)	15 years	36 of 100 (Notable)
24 July 1940	Bhagalpur, IN	daily rain	76.2 mm (3.0 in)	44.7 mm (1.8 in)	23 years	36 of 100 (Notable)
24 July 1940	Jalpaiguri, IN	daily rain	173.2 mm (6.8 in)	88.1 mm (3.5 in)	29 years	34 of 100 (Routine)
24 July 1940	Tallahassee, US	daily rain	69.9 mm (2.8 in)	39.4 mm (1.6 in)	5 years	34 of 100 (Routine)
24 July 1940	Lodgepole, US	all-time high max	44.4 C (111.9 F)	2.2 C (4.0 F)	20 years	34 of 100 (Routine)
24 July 1940	Purdum, US	all-time high min	26.7 C (80.1 F)	1.1 C (2.0 F)	25 years	33 of 100 (Routine)
24 July 1940	Nigriting, IN	daily rain	86.9 mm (3.4 in)	37.4 mm (1.5 in)	34 years	32 of 100 (Routine)
24 July 1940	Golaghat, IN	all-time rain	137.2 mm (5.4 in)	9.9 mm (0.39 in)	4 years	30 of 100 (Routine)
24 July 1940	Virudhunagar, IN	daily rain	39.9 mm (1.6 in)	29.0 mm (1.1 in)	30 years	30 of 100 (Routine)
24 July 1940	Wentworth 2.5 WNW, US	daily high max	43.3 C (109.9 F)	5.5 C (9.9 F)	46 years	30 of 100 (Routine)
24 July 1940	Armour, US	all-time high max	46.7 C (116.1 F)	1.7 C (3.1 F)	4 years	28 of 100 (Routine)
24 July 1940	Cobar Post Office, AU	daily high min	10.1 C (50.2 F)	1.8 C (3.2 F)	53 years	27 of 100 (Routine)
24 July 1940	Marrawah (State School), AU	daily rain	25.4 mm (1.0 in)	12.4 mm (0.5 in)	31 years	27 of 100 (Routine)
24 July 1940	Alapaha Exp STN, US	monthly high max	41.1 C (106.0 F)	1.1 C (2.0 F)	27 years	27 of 100 (Routine)
24 July 1940	Brookings 2 NE, US	all-time high max	42.8 C (109.0 F)	1.1 C (2.0 F)	4 years	27 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

1799 to 1940

Records set or tied on this calendar date in each year from 1799 to 1940. 1940 had 568 records.

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

Records on 07-24 in each year
Year	Records
1799	1
1813	1
1817	1
1832	1
1836	1
1838	2
1843	2
1844	1
1846	1
1849	2
1859	1
1860	1
1862	1
1867	1
1868	3
1869	1
1870	1
1872	3
1874	1
1875	2
1880	3
1882	1
1883	2
1885	3
1889	2
1891	2
1893	2
1894	5
1895	2
1896	5
1897	4
1899	3
1900	7
1901	6
1902	5
1903	8
1904	19
1905	19
1906	18
1907	8
1908	11
1909	21
1910	36
1911	51
1912	84
1913	30
1914	22
1915	35
1916	32
1917	40
1918	70
1919	19
1920	46
1921	67
1922	186
1923	87
1924	193
1925	154
1926	186
1927	251
1928	237
1929	187
1930	195
1931	364
1932	249
1933	356
1934	994
1935	342
1936	498
1937	327
1938	545
1939	225
1940	568
1941	335
1942	331
1943	278
1944	315
1945	252
1946	407
1947	852
1948	385
1949	408
1950	384
1951	333
1952	534
1953	403
1954	447
1955	445
1956	379
1957	428
1958	372
1959	522
1960	466
1961	612
1962	996
1963	521
1964	517
1965	333
1966	401
1967	344
1968	430
1969	585
1970	553
1971	678
1972	528
1973	743
1974	670
1975	521
1976	521
1977	829
1978	673
1979	652
1980	487
1981	1,025
1982	689
1983	1,425
1984	789
1985	829
1986	1,227
1987	1,220
1988	1,130
1989	896
1990	944
1991	1,092
1992	1,271
1993	1,705
1994	1,153
1995	927
1996	1,145
1997	1,097
1998	990
1999	1,201
2000	1,236
2001	1,186
2002	796
2003	2,254
2004	1,604
2005	1,158
2006	1,694
2007	1,310
2008	1,363
2009	856
2010	1,859
2011	1,514
2012	827
2013	572
2014	922
2015	483
2016	637
2017	559
2018	953
2019	1,221
2020	432
2021	541
2022	681
2023	804
2024	986
2025	879
2026	924

Download the Data

Data for records on 1940-07-24: 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 20	381
20 to 40	7
40 to 60	1
60 to 80	0
80 to 100	1