Weather Records on 17 August 1943

743 weather records were set or tied worldwide on 17 August 1943. Highest significance: Greta Post Office, AU.

Key Facts for 17 August 1943

On 17 August 1943, 743 weather records were set or tied at long-record stations worldwide.
137 were record highs and 392 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 10 monthly and 733 daily.
Greta Post Office set a daily record precipitation of 31.8 mm (1.3 in) on 17 August 1943.
Across 162 earlier years (1797 to 2026) the same calendar date averaged 472 records.

Record Map

743 stations

743 station records on 17 August 1943 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 August 1943: highest significance records shown on the map
Station	Country	Type	Value	Significance
Greta Post Office	Australia	Record daily precipitation	31.8 mm (1.3 in)	55 of 100 (Notable)
Kunch	India	Record daily precipitation	102.6 mm (4.0 in)	44 of 100 (Notable)
Sidhauli	India	Record daily precipitation	91.9 mm (3.6 in)	44 of 100 (Notable)
Rowlesburg 1	United States	Record daily precipitation	62.0 mm (2.4 in)	44 of 100 (Notable)
Pilibhit City	India	Record daily precipitation	106.7 mm (4.2 in)	40 of 100 (Notable)
Cimarron 4 SW	United States	Record daily precipitation	45.0 mm (1.8 in)	39 of 100 (Notable)
Agra	India	Record daily precipitation	93.7 mm (3.7 in)	37 of 100 (Notable)
Belleville	Canada	Record low maximum temperature	18.9 C (66.0 F)	34 of 100 (Routine)
Tiruvallur	India	Record daily precipitation	66.5 mm (2.6 in)	34 of 100 (Routine)
Saidapet	India	Record daily precipitation	60.5 mm (2.4 in)	34 of 100 (Routine)
Glens Falls Fire STN	United States	Record daily precipitation	39.1 mm (1.5 in)	33 of 100 (Routine)
Gohad	India	Record daily precipitation	88.9 mm (3.5 in)	32 of 100 (Routine)
Sarila	India	Record daily precipitation	77.7 mm (3.1 in)	32 of 100 (Routine)
Sitapur	India	Record daily precipitation	180.3 mm (7.1 in)	32 of 100 (Routine)
Miami	United States	Record daily precipitation	44.5 mm (1.8 in)	32 of 100 (Routine)
Kennebec	United States	Record low minimum temperature	2.8 C (37.0 F)	32 of 100 (Routine)
Ewing	United States	Record low minimum temperature	0.6 C (33.1 F)	31 of 100 (Routine)
Norfolk	United States	Record low minimum temperature	4.4 C (39.9 F)	31 of 100 (Routine)
Indargarh	India	Record daily precipitation	81.3 mm (3.2 in)	30 of 100 (Routine)
Horton	United States	Record low minimum temperature	10.0 C (50.0 F)	30 of 100 (Routine)
Abbott 1 SE	United States	Record daily precipitation	37.1 mm (1.5 in)	30 of 100 (Routine)
Bhognipur	India	Record daily precipitation	72.6 mm (2.9 in)	28 of 100 (Routine)
Norddal	Norway	Record snow depth	34.0 cm (13.4 in)	28 of 100 (Routine)
Columbus 3 NE	United States	Record low minimum temperature	7.2 C (45.0 F)	28 of 100 (Routine)
Santa Fe	United States	Record high maximum temperature	31.7 C (89.1 F)	28 of 100 (Routine)
Forestburg 4 NNE	United States	Record low minimum temperature	2.8 C (37.0 F)	28 of 100 (Routine)
Tyndall	United States	Record low minimum temperature	5.0 C (41.0 F)	28 of 100 (Routine)
Montgomery Wb City	United States	Record high minimum temperature	26.1 C (79.0 F)	27 of 100 (Routine)
Lawrence	United States	Record low minimum temperature	12.2 C (54.0 F)	27 of 100 (Routine)
Salisbury	United States	Record daily precipitation	78.7 mm (3.1 in)	27 of 100 (Routine)
Stanton	United States	Record low minimum temperature	4.4 C (39.9 F)	27 of 100 (Routine)
Marion	United States	Record daily precipitation	25.9 mm (1.0 in)	27 of 100 (Routine)
Castlewood	United States	Record low minimum temperature	2.8 C (37.0 F)	27 of 100 (Routine)
Highmore	United States	Record low minimum temperature	4.4 C (39.9 F)	27 of 100 (Routine)
Minneapolis	United States	Record low minimum temperature	11.7 C (53.1 F)	26 of 100 (Routine)
Beatrice	United States	Record low minimum temperature	8.9 C (48.0 F)	26 of 100 (Routine)
De Ruyter 4 N	United States	Record daily precipitation	58.7 mm (2.3 in)	26 of 100 (Routine)
Findlay Wpcc	United States	Record low maximum temperature	17.8 C (64.0 F)	26 of 100 (Routine)
Centerville 6 SE	United States	Record low minimum temperature	4.4 C (39.9 F)	26 of 100 (Routine)
Carthage	United States	Record daily precipitation	39.4 mm (1.6 in)	26 of 100 (Routine)
Perryville	United States	Record daily precipitation	102.9 mm (4.1 in)	26 of 100 (Routine)
New Braunfels	United States	Record high maximum temperature	40.6 C (105.1 F)	26 of 100 (Routine)
Ft Myers Page Fld AP	United States	Record high minimum temperature	27.2 C (81.0 F)	26 of 100 (Routine)
Lincoln UNIV Pwr Plt	United States	Record low minimum temperature	7.8 C (46.0 F)	26 of 100 (Routine)
Harur	India	Record daily precipitation	39.6 mm (1.6 in)	25 of 100 (Routine)
Clifton	United States	Record low minimum temperature	15.6 C (60.1 F)	25 of 100 (Routine)
West Bend	United States	Record low minimum temperature	6.7 C (44.1 F)	25 of 100 (Routine)
Atchison	United States	Record low minimum temperature	10.6 C (51.1 F)	25 of 100 (Routine)
Osage City	United States	Record low minimum temperature	11.1 C (52.0 F)	25 of 100 (Routine)
Pipestone	United States	Record low maximum temperature	17.2 C (63.0 F)	25 of 100 (Routine)
Atkinson 3SW	United States	Record low minimum temperature	3.9 C (39.0 F)	25 of 100 (Routine)
W Pt	United States	Record low minimum temperature	6.7 C (44.1 F)	25 of 100 (Routine)
Bell Ranch	United States	Record daily precipitation	31.2 mm (1.2 in)	25 of 100 (Routine)
Toledo Blade	United States	Record low maximum temperature	17.2 C (63.0 F)	25 of 100 (Routine)
Huron Rgnl AP	United States	Record low minimum temperature	4.4 C (39.9 F)	25 of 100 (Routine)
Pindron	India	Record daily precipitation	85.1 mm (3.4 in)	24 of 100 (Routine)
Storm Lake	United States	Record low minimum temperature	8.3 C (46.9 F)	24 of 100 (Routine)
Pocomoke City	United States	Record daily precipitation	32.8 mm (1.3 in)	24 of 100 (Routine)
Oakdale	United States	Record low minimum temperature	6.1 C (43.0 F)	24 of 100 (Routine)
Sharon Springs 1N	United States	Record daily precipitation	25.9 mm (1.0 in)	24 of 100 (Routine)

Counts by Type and Timescale

743 records

Records set or tied on 17 August 1943 by type: Highest daily maximum 57, Lowest daily maximum 144, Highest daily minimum 80, Lowest daily minimum 248, Heaviest daily rainfall 213, Deepest snow cover 1.

Records on 17 August 1943 by type
Record type	Records
Highest daily maximum	57
Lowest daily maximum	144
Highest daily minimum	80
Lowest daily minimum	248
Heaviest daily rainfall	213
Heaviest daily snowfall	0
Deepest snow cover	1

Records on 17 August 1943 by timescale: all-time 0, monthly 10, daily 733.

How Much Records Were Beaten By

581 broken records

Margins by which the 581 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 240.0. Ties are not counted.

Top 20 by Significance

17 August 1943

Top 20 records on 17 August 1943 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 August 1943	Greta Post Office, AU	daily rain	31.8 mm (1.3 in)	31.8 mm (1.3 in)	40 years	55 of 100 (Notable)
17 August 1943	Kunch, IN	daily rain	102.6 mm (4.0 in)	72.6 mm (2.9 in)	10 years	44 of 100 (Notable)
17 August 1943	Sidhauli, IN	daily rain	91.9 mm (3.6 in)	68.5 mm (2.7 in)	32 years	44 of 100 (Notable)
17 August 1943	Rowlesburg 1, US	daily rain	62.0 mm (2.4 in)	38.9 mm (1.5 in)	16 years	44 of 100 (Notable)
17 August 1943	Pilibhit City, IN	daily rain	106.7 mm (4.2 in)	68.6 mm (2.7 in)	30 years	40 of 100 (Notable)
17 August 1943	Cimarron 4 SW, US	daily rain	45.0 mm (1.8 in)	22.6 mm (0.9 in)	4 years	39 of 100 (Notable)
17 August 1943	Agra, IN	daily rain	93.7 mm (3.7 in)	55.6 mm (2.2 in)	16 years	37 of 100 (Notable)
17 August 1943	Belleville, CA	daily low max	18.9 C (66.0 F)	1.7 C (3.1 F)	76 years	34 of 100 (Routine)
17 August 1943	Tiruvallur, IN	daily rain	66.5 mm (2.6 in)	39.1 mm (1.5 in)	8 years	34 of 100 (Routine)
17 August 1943	Saidapet, IN	daily rain	60.5 mm (2.4 in)	30.5 mm (1.2 in)	40 years	34 of 100 (Routine)
17 August 1943	Glens Falls Fire STN, US	daily rain	39.1 mm (1.5 in)	21.3 mm (0.8 in)	33 years	33 of 100 (Routine)
17 August 1943	Gohad, IN	daily rain	88.9 mm (3.5 in)	50.8 mm (2.0 in)	13 years	32 of 100 (Routine)
17 August 1943	Sarila, IN	daily rain	77.7 mm (3.1 in)	52.0 mm (2.0 in)	24 years	32 of 100 (Routine)
17 August 1943	Sitapur, IN	monthly rain	180.3 mm (7.1 in)	23.3 mm (0.9 in)	29 years	32 of 100 (Routine)
17 August 1943	Miami, US	daily rain	44.5 mm (1.8 in)	20.1 mm (0.8 in)	20 years	32 of 100 (Routine)
17 August 1943	Kennebec, US	daily low min	2.8 C (37.0 F)	6.1 C (11.0 F)	47 years	32 of 100 (Routine)
17 August 1943	Ewing, US	daily low min	0.6 C (33.1 F)	8.3 C (14.9 F)	36 years	31 of 100 (Routine)
17 August 1943	Norfolk, US	daily low min	4.4 C (39.9 F)	6.7 C (12.1 F)	36 years	31 of 100 (Routine)
17 August 1943	Indargarh, IN	daily rain	81.3 mm (3.2 in)	40.7 mm (1.6 in)	36 years	30 of 100 (Routine)
17 August 1943	Horton, US	daily low min	10.0 C (50.0 F)	3.9 C (7.0 F)	46 years	30 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

1797 to 1943

Records set or tied on this calendar date in each year from 1797 to 1943. 1943 had 743 records.

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

Records on 08-17 in each year
Year	Records
1797	2
1802	2
1820	2
1837	1
1838	2
1841	2
1842	1
1845	2
1853	1
1854	1
1856	1
1857	1
1861	3
1862	1
1867	1
1868	3
1869	1
1872	1
1875	2
1876	5
1879	1
1881	1
1882	1
1883	2
1885	3
1886	1
1888	5
1891	1
1892	3
1893	2
1894	3
1895	2
1896	3
1897	1
1898	5
1899	8
1900	3
1901	14
1902	7
1903	6
1904	2
1905	11
1906	28
1907	9
1908	26
1909	24
1910	17
1911	18
1912	31
1913	79
1914	41
1915	28
1916	33
1917	35
1918	112
1919	37
1920	110
1921	37
1922	169
1923	161
1924	171
1925	130
1926	182
1927	228
1928	131
1929	243
1930	138
1931	302
1932	360
1933	260
1934	377
1935	437
1936	670
1937	726
1938	466
1939	364
1940	341
1941	378
1942	461
1943	743
1944	531
1945	387
1946	433
1947	682
1948	475
1949	371
1950	522
1951	413
1952	470
1953	345
1954	685
1955	465
1956	407
1957	504
1958	519
1959	543
1960	533
1961	998
1962	445
1963	650
1964	410
1965	641
1966	496
1967	679
1968	953
1969	593
1970	467
1971	447
1972	1,044
1973	750
1974	582
1975	612
1976	797
1977	1,216
1978	814
1979	1,464
1980	895
1981	1,112
1982	554
1983	1,574
1984	726
1985	948
1986	916
1987	1,150
1988	1,608
1989	687
1990	949
1991	560
1992	1,813
1993	803
1994	1,038
1995	1,724
1996	752
1997	1,544
1998	1,003
1999	697
2000	994
2001	1,101
2002	1,266
2003	948
2004	1,046
2005	722
2006	814
2007	1,646
2008	1,301
2009	922
2010	1,105
2011	956
2012	1,215
2013	802
2014	997
2015	890
2016	748
2017	544
2018	518
2019	467
2020	1,529
2021	800
2022	1,428
2023	1,032
2024	740
2025	538
2026	535

Download the Data

Data for records on 1943-08-17: 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 50	573
50 to 100	7
100 to 150	0
150 to 200	0
200 to 250	1