Weather Records on 17 July 1943

321 weather records were set or tied worldwide on 17 July 1943. Highest significance: Ventspils, LV.

Key Facts for 17 July 1943

On 17 July 1943, 321 weather records were set or tied at long-record stations worldwide.
108 were record highs and 81 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 8 monthly and 311 daily.
Ventspils set an all-time record daily precipitation of 79.7 mm (3.1 in) on 17 July 1943.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 446 records.

Record Map

321 stations

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

Weather records on 17 July 1943: highest significance records shown on the map
Station	Country	Type	Value	Significance
Ventspils	Latvia	Record daily precipitation	79.7 mm (3.1 in)	66 of 100 (Major)
Perryton	United States	Record daily precipitation	86.1 mm (3.4 in)	53 of 100 (Notable)
Jodhpur	India	Record daily precipitation	194.1 mm (7.6 in)	51 of 100 (Notable)
Appleton	United States	Record daily precipitation	47.2 mm (1.9 in)	41 of 100 (Notable)
Sibsagar	India	Record daily precipitation	131.6 mm (5.2 in)	38 of 100 (Notable)
Haina 214	United States	Record daily precipitation	34.3 mm (1.4 in)	37 of 100 (Notable)
Sarmera	India	Record daily precipitation	127.8 mm (5.0 in)	36 of 100 (Notable)
Bolpur	India	Record daily precipitation	117.6 mm (4.6 in)	35 of 100 (Notable)
Cape Norman	Canada	Record daily precipitation	50.5 mm (2.0 in)	34 of 100 (Routine)
Tandwa	India	Record daily precipitation	91.4 mm (3.6 in)	34 of 100 (Routine)
Dumka	India	Record daily precipitation	129.0 mm (5.1 in)	34 of 100 (Routine)
Clifton Hill	United States	Record daily precipitation	101.1 mm (4.0 in)	34 of 100 (Routine)
Wooster Exp STN	United States	Record daily precipitation	43.9 mm (1.7 in)	34 of 100 (Routine)
Marble Bar Comparison	Australia	Record low maximum temperature	12.8 C (55.0 F)	33 of 100 (Routine)
Kenton	United States	Record daily precipitation	62.0 mm (2.4 in)	33 of 100 (Routine)
Bilara	India	Record daily precipitation	108.0 mm (4.3 in)	31 of 100 (Routine)
Millport 4 NE	United States	Record daily precipitation	49.5 mm (1.9 in)	31 of 100 (Routine)
Niulii 179	United States	Record daily precipitation	41.9 mm (1.6 in)	31 of 100 (Routine)
Kalamazoo State Hospital	United States	Record daily precipitation	48.0 mm (1.9 in)	30 of 100 (Routine)
Bathurst	Canada	Record high minimum temperature	20.6 C (69.1 F)	29 of 100 (Routine)
Harmati	India	Record daily precipitation	80.3 mm (3.2 in)	29 of 100 (Routine)
Manatu	India	Record daily precipitation	85.1 mm (3.4 in)	29 of 100 (Routine)
Gudibanda	India	Record daily precipitation	33.0 mm (1.3 in)	29 of 100 (Routine)
Effingham 3SW	United States	Record daily precipitation	36.8 mm (1.4 in)	29 of 100 (Routine)
Pachamba	India	Record daily precipitation	135.9 mm (5.4 in)	28 of 100 (Routine)
Assobani	India	Record daily precipitation	99.1 mm (3.9 in)	28 of 100 (Routine)
Khatra	India	Record daily precipitation	54.4 mm (2.1 in)	28 of 100 (Routine)
Bloomingdale	United States	Record daily precipitation	44.5 mm (1.8 in)	28 of 100 (Routine)
Brunswick	United States	Record daily precipitation	109.2 mm (4.3 in)	28 of 100 (Routine)
Menasha	United States	Record daily precipitation	44.2 mm (1.7 in)	28 of 100 (Routine)
Mt Hope	United States	Record daily precipitation	82.6 mm (3.3 in)	27 of 100 (Routine)
Charlotte	United States	Record daily precipitation	30.7 mm (1.2 in)	27 of 100 (Routine)
Arnsberg	Germany	Record low minimum temperature	6.4 C (43.5 F)	26 of 100 (Routine)
Carrabelle 1 NNW	United States	Record high minimum temperature	26.7 C (80.1 F)	26 of 100 (Routine)
Angola	United States	Record daily precipitation	29.2 mm (1.1 in)	26 of 100 (Routine)
Findlay Wpcc	United States	Record daily precipitation	52.8 mm (2.1 in)	26 of 100 (Routine)
Jamui	India	Record daily precipitation	114.3 mm (4.5 in)	25 of 100 (Routine)
Chakaibanda	India	Record daily precipitation	92.7 mm (3.6 in)	25 of 100 (Routine)
Mottinger	United States	Record low minimum temperature	8.3 C (46.9 F)	25 of 100 (Routine)
Devanhalli	India	Record daily precipitation	48.3 mm (1.9 in)	24 of 100 (Routine)
Sujangarh	India	Record daily precipitation	127.0 mm (5.0 in)	24 of 100 (Routine)
Durham	United Kingdom	Record low minimum temperature	5.0 C (41.0 F)	24 of 100 (Routine)
Wichita	United States	Record daily precipitation	59.9 mm (2.4 in)	24 of 100 (Routine)
Muenster	Germany	Record low minimum temperature	6.6 C (43.9 F)	23 of 100 (Routine)
Venkatagiri	India	Record daily precipitation	27.4 mm (1.1 in)	23 of 100 (Routine)
Chickballapur	India	Record daily precipitation	33.0 mm (1.3 in)	23 of 100 (Routine)
Fellsmere 7 SSW	United States	Record daily precipitation	56.4 mm (2.2 in)	23 of 100 (Routine)
Donaldsonville 4 SW	United States	Record high minimum temperature	25.0 C (77.0 F)	23 of 100 (Routine)
Orogrande	United States	Record daily precipitation	27.9 mm (1.1 in)	23 of 100 (Routine)
Siwan	India	Record daily precipitation	58.4 mm (2.3 in)	22 of 100 (Routine)
Didwana	India	Record daily precipitation	111.8 mm (4.4 in)	22 of 100 (Routine)
Merta City	India	Record daily precipitation	76.2 mm (3.0 in)	22 of 100 (Routine)
Tiruvallur	India	Record daily precipitation	47.2 mm (1.9 in)	22 of 100 (Routine)
Union Springs 9 S	United States	Record high maximum temperature	38.9 C (102.0 F)	22 of 100 (Routine)
Port Hedland Post Office	Australia	Record low maximum temperature	15.0 C (59.0 F)	21 of 100 (Routine)
Nawadah	India	Record daily precipitation	139.7 mm (5.5 in)	21 of 100 (Routine)
Chintamani	India	Record daily precipitation	47.0 mm (1.9 in)	21 of 100 (Routine)
Hawkinsville	United States	Record high maximum temperature	38.9 C (102.0 F)	21 of 100 (Routine)
Albion	United States	Record daily precipitation	29.2 mm (1.1 in)	21 of 100 (Routine)
Booneville	United States	Record high minimum temperature	25.0 C (77.0 F)	21 of 100 (Routine)

Counts by Type and Timescale

321 records

Records set or tied on 17 July 1943 by type: Highest daily maximum 35, Lowest daily maximum 17, Highest daily minimum 73, Lowest daily minimum 64, Heaviest daily rainfall 132.

Records on 17 July 1943 by type
Record type	Records
Highest daily maximum	35
Lowest daily maximum	17
Highest daily minimum	73
Lowest daily minimum	64
Heaviest daily rainfall	132
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 July 1943 by timescale: all-time 2, monthly 8, daily 311.

How Much Records Were Beaten By

246 broken records

Margins by which the 246 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 67.3. Ties are not counted.

Top 20 by Significance

17 July 1943

Top 20 records on 17 July 1943 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 July 1943	Ventspils, LV	all-time rain	79.7 mm (3.1 in)	22.3 mm (0.9 in)	1 year	66 of 100 (Major)
17 July 1943	Perryton, US	monthly rain	86.1 mm (3.4 in)	35.3 mm (1.4 in)	31 years	53 of 100 (Notable)
17 July 1943	Jodhpur, IN	monthly rain	194.1 mm (7.6 in)	45.5 mm (1.8 in)	35 years	51 of 100 (Notable)
17 July 1943	Appleton, US	daily rain	47.2 mm (1.9 in)	35.0 mm (1.4 in)	16 years	41 of 100 (Notable)
17 July 1943	Sibsagar, IN	daily rain	131.6 mm (5.2 in)	65.3 mm (2.6 in)	20 years	38 of 100 (Notable)
17 July 1943	Haina 214, US	daily rain	34.3 mm (1.4 in)	24.1 mm (0.9 in)	37 years	37 of 100 (Notable)
17 July 1943	Sarmera, IN	daily rain	127.8 mm (5.0 in)	67.3 mm (2.6 in)	24 years	36 of 100 (Notable)
17 July 1943	Bolpur, IN	daily rain	117.6 mm (4.6 in)	60.2 mm (2.4 in)	6 years	35 of 100 (Notable)
17 July 1943	Cape Norman, CA	daily rain	50.5 mm (2.0 in)	19.3 mm (0.8 in)	32 years	34 of 100 (Routine)
17 July 1943	Tandwa, IN	daily rain	91.4 mm (3.6 in)	56.6 mm (2.2 in)	28 years	34 of 100 (Routine)
17 July 1943	Dumka, IN	daily rain	129.0 mm (5.1 in)	50.8 mm (2.0 in)	16 years	34 of 100 (Routine)
17 July 1943	Clifton Hill, US	daily rain	101.1 mm (4.0 in)	35.8 mm (1.4 in)	20 years	34 of 100 (Routine)
17 July 1943	Wooster Exp STN, US	daily rain	43.9 mm (1.7 in)	22.3 mm (0.9 in)	42 years	34 of 100 (Routine)
17 July 1943	Marble Bar Comparison, AU	daily low max	12.8 C (55.0 F)	5.8 C (10.4 F)	38 years	33 of 100 (Routine)
17 July 1943	Kenton, US	daily rain	62.0 mm (2.4 in)	34.1 mm (1.3 in)	5 years	33 of 100 (Routine)
17 July 1943	Bilara, IN	daily rain	108.0 mm (4.3 in)	37.1 mm (1.5 in)	33 years	31 of 100 (Routine)
17 July 1943	Millport 4 NE, US	daily rain	49.5 mm (1.9 in)	20.3 mm (0.8 in)	34 years	31 of 100 (Routine)
17 July 1943	Niulii 179, US	daily rain	41.9 mm (1.6 in)	16.0 mm (0.6 in)	28 years	31 of 100 (Routine)
17 July 1943	Kalamazoo State Hospital, US	daily rain	48.0 mm (1.9 in)	15.7 mm (0.6 in)	42 years	30 of 100 (Routine)
17 July 1943	Bathurst, CA	daily high min	20.6 C (69.1 F)	1.7 C (3.1 F)	62 years	29 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

1793 to 1943

Records set or tied on this calendar date in each year from 1793 to 1943. 1943 had 321 records.

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

Records on 07-17 in each year
Year	Records
1793	1
1798	1
1799	1
1801	2
1802	1
1821	1
1827	1
1833	1
1840	1
1842	1
1845	2
1852	1
1862	1
1863	1
1865	2
1866	1
1871	1
1874	1
1875	2
1877	1
1880	1
1881	2
1882	2
1883	5
1884	1
1887	1
1888	2
1889	4
1890	4
1892	5
1893	3
1894	4
1895	1
1896	3
1897	1
1898	2
1899	4
1900	4
1901	6
1902	6
1903	13
1904	4
1905	9
1906	13
1907	12
1908	32
1909	16
1910	8
1911	52
1912	13
1913	26
1914	67
1915	71
1916	27
1917	62
1918	41
1919	45
1920	50
1921	120
1922	206
1923	105
1924	165
1925	275
1926	251
1927	118
1928	116
1929	154
1930	366
1931	492
1932	293
1933	216
1934	438
1935	245
1936	815
1937	313
1938	303
1939	540
1940	319
1941	386
1942	522
1943	321
1944	236
1945	681
1946	523
1947	505
1948	278
1949	405
1950	645
1951	356
1952	772
1953	557
1954	517
1955	512
1956	608
1957	298
1958	693
1959	631
1960	324
1961	408
1962	421
1963	223
1964	481
1965	753
1966	454
1967	965
1968	707
1969	741
1970	486
1971	790
1972	634
1973	680
1974	691
1975	775
1976	1,041
1977	764
1978	794
1979	642
1980	1,137
1981	628
1982	850
1983	1,120
1984	875
1985	483
1986	1,214
1987	1,388
1988	1,239
1989	1,289
1990	953
1991	763
1992	1,055
1993	956
1994	631
1995	917
1996	911
1997	816
1998	1,031
1999	925
2000	1,166
2001	916
2002	995
2003	1,396
2004	908
2005	1,184
2006	1,509
2007	1,218
2008	508
2009	1,218
2010	965
2011	1,101
2012	934
2013	819
2014	1,456
2015	831
2016	679
2017	398
2018	750
2019	477
2020	515
2021	625
2022	791
2023	1,060
2024	814
2025	966
2026	860

Download the Data

Data for records on 1943-07-17: 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 10	175
10 to 20	36
20 to 30	14
30 to 40	13
40 to 50	3
50 to 60	2
60 to 70	3