Weather Records on 17 July 1993

956 weather records were set or tied worldwide on 17 July 1993. Highest significance: Alexandria, US.

Key Facts for 17 July 1993

On 17 July 1993, 956 weather records were set or tied at long-record stations worldwide.
245 were record highs and 491 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 22 monthly and 930 daily.
Alexandria set a daily record precipitation of 59.7 mm (2.4 in) on 17 July 1993.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 442 records.

Record Map

956 stations

956 station records on 17 July 1993 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 July 1993: highest significance records shown on the map
Station	Country	Type	Value	Significance
Alexandria	United States	Record daily precipitation	59.7 mm (2.4 in)	59 of 100 (Notable)
Askaniia Nova	Ukraine	Record low minimum temperature	1.3 C (34.3 F)	58 of 100 (Notable)
Ostmark-Rojdasen	Sweden	Record daily precipitation	41.3 mm (1.6 in)	48 of 100 (Notable)
Mitchell 2 N	United States	Record daily precipitation	48.8 mm (1.9 in)	48 of 100 (Notable)
Tower 2S	United States	Record low maximum temperature	15.6 C (60.1 F)	47 of 100 (Notable)
New Iberia AP - Acadiana Rgnl	United States	Record daily precipitation	61.0 mm (2.4 in)	46 of 100 (Notable)
Rock Rapids	United States	Record daily precipitation	68.8 mm (2.7 in)	44 of 100 (Notable)
McCracken	United States	Record daily precipitation	88.9 mm (3.5 in)	43 of 100 (Notable)
Dillon U of Montana Western	United States	Record low maximum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Leola	United States	Record daily precipitation	62.2 mm (2.4 in)	43 of 100 (Notable)
La Harpe	United States	Record daily precipitation	48.3 mm (1.9 in)	42 of 100 (Notable)
Peterson	United States	Record daily precipitation	72.4 mm (2.9 in)	42 of 100 (Notable)
Lima	United States	Record low maximum temperature	13.3 C (55.9 F)	42 of 100 (Notable)
Grand Is Cntrl NE Rgnl AP	United States	Record daily precipitation	70.9 mm (2.8 in)	42 of 100 (Notable)
Ely AP	United States	Record low minimum temperature	1.7 C (35.1 F)	42 of 100 (Notable)
Greencastle 1 W	United States	Record low maximum temperature	22.2 C (72.0 F)	41 of 100 (Notable)
Larimore 4SW	United States	Record daily precipitation	42.7 mm (1.7 in)	41 of 100 (Notable)
Illahe	United States	Record daily precipitation	25.4 mm (1.0 in)	41 of 100 (Notable)
Britton	United States	Record daily precipitation	58.9 mm (2.3 in)	41 of 100 (Notable)
Ipswich	United States	Record daily precipitation	48.3 mm (1.9 in)	41 of 100 (Notable)
Ortrask	Sweden	Record daily precipitation	33.0 mm (1.3 in)	40 of 100 (Notable)
Anaconda	United States	Record low maximum temperature	16.1 C (61.0 F)	40 of 100 (Notable)
Logan Utah St UNIV	United States	Record low maximum temperature	23.9 C (75.0 F)	40 of 100 (Notable)
Pomeroy	United States	Record low maximum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Emblem	United States	Record low maximum temperature	18.9 C (66.0 F)	40 of 100 (Notable)
Elko Rgnl AP	United States	Record low minimum temperature	1.1 C (34.0 F)	40 of 100 (Notable)
Boulder	United States	Record low maximum temperature	13.3 C (55.9 F)	39 of 100 (Notable)
Maddock	United States	Record daily precipitation	38.6 mm (1.5 in)	39 of 100 (Notable)
Iwakuni	Japan	Record daily precipitation	127.3 mm (5.0 in)	38 of 100 (Notable)
Oakley	United States	Record low maximum temperature	21.1 C (70.0 F)	38 of 100 (Notable)
New Ulm 2 SE	United States	Record daily precipitation	42.2 mm (1.7 in)	38 of 100 (Notable)
Gothenburg	United States	Record daily precipitation	76.2 mm (3.0 in)	38 of 100 (Notable)
Klamath Falls 2 SSW	United States	Record low minimum temperature	1.7 C (35.1 F)	38 of 100 (Notable)
Salem 5 SW	United States	Record daily precipitation	40.6 mm (1.6 in)	38 of 100 (Notable)
Devils Lake Kdlr	United States	Record daily precipitation	44.2 mm (1.7 in)	38 of 100 (Notable)
White Lake	United States	Record daily precipitation	48.3 mm (1.9 in)	37 of 100 (Notable)
San Bartolo	Mexico	Record low minimum temperature	10.6 C (51.1 F)	36 of 100 (Notable)
Sheldon	United States	Record daily precipitation	38.6 mm (1.5 in)	36 of 100 (Notable)
Paradise Steam Plt	United States	Record daily precipitation	48.0 mm (1.9 in)	36 of 100 (Notable)
Norris Madison Pwr House	United States	Record low maximum temperature	18.3 C (64.9 F)	36 of 100 (Notable)
Clover Valley	United States	Record low maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Huntington	United States	Record low maximum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Wilbur	United States	Record low maximum temperature	17.8 C (64.0 F)	36 of 100 (Notable)
Sheboygan	United States	Record low minimum temperature	9.4 C (48.9 F)	36 of 100 (Notable)
Alcobaca	Brazil	Record daily precipitation	75.3 mm (3.0 in)	35 of 100 (Notable)
Fajardo	Puerto Rico [United States]	Record low minimum temperature	16.7 C (62.1 F)	35 of 100 (Notable)
Bloomfield	United States	Record daily precipitation	26.2 mm (1.0 in)	35 of 100 (Notable)
Tatum	United States	Record daily precipitation	41.1 mm (1.6 in)	35 of 100 (Notable)
Petersburg 2 N	United States	Record daily precipitation	37.3 mm (1.5 in)	35 of 100 (Notable)
Brookings 2 NE	United States	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Omak 4 N	United States	Record low maximum temperature	20.6 C (69.1 F)	35 of 100 (Notable)
Villa Hidalgo (Smn)	Mexico	Record daily precipitation	42.9 mm (1.7 in)	34 of 100 (Routine)
Fergus Falls	United States	Record daily precipitation	41.9 mm (1.6 in)	34 of 100 (Routine)
Central City	United States	Record daily precipitation	47.2 mm (1.9 in)	34 of 100 (Routine)
Ashley	United States	Record low maximum temperature	18.3 C (64.9 F)	34 of 100 (Routine)
Conconully	United States	Record low maximum temperature	17.2 C (63.0 F)	34 of 100 (Routine)
Spokane Intl AP	United States	Record low maximum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Storsteinnes I Balsfjord	Norway	Record daily precipitation	26.7 mm (1.1 in)	33 of 100 (Routine)
Nagornyj	Russia	Record daily precipitation	63.9 mm (2.5 in)	33 of 100 (Routine)
Dyce	United Kingdom	Record daily precipitation	36.3 mm (1.4 in)	33 of 100 (Routine)

Counts by Type and Timescale

956 records

Records set or tied on 17 July 1993 by type: Highest daily maximum 91, Lowest daily maximum 290, Highest daily minimum 154, Lowest daily minimum 201, Heaviest daily rainfall 219, Heaviest daily snowfall 1.

Records on 17 July 1993 by type
Record type	Records
Highest daily maximum	91
Lowest daily maximum	290
Highest daily minimum	154
Lowest daily minimum	201
Heaviest daily rainfall	219
Heaviest daily snowfall	1
Deepest snow cover	0

Records on 17 July 1993 by timescale: all-time 4, monthly 22, daily 930.

How Much Records Were Beaten By

664 broken records

Margins by which the 664 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 84.1. Ties are not counted.

Top 20 by Significance

17 July 1993

Top 20 records on 17 July 1993 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 July 1993	Alexandria, US	daily rain	59.7 mm (2.4 in)	40.1 mm (1.6 in)	54 years	59 of 100 (Notable)
17 July 1993	Askaniia Nova, UA	monthly low min	1.3 C (34.3 F)	6.1 C (11.0 F)	58 years	58 of 100 (Notable)
17 July 1993	Ostmark-Rojdasen, SE	daily rain	41.3 mm (1.6 in)	23.8 mm (0.9 in)	36 years	48 of 100 (Notable)
17 July 1993	Mitchell 2 N, US	daily rain	48.8 mm (1.9 in)	13.2 mm (0.5 in)	90 years	48 of 100 (Notable)
17 July 1993	Tower 2S, US	daily low max	15.6 C (60.1 F)	3.8 C (6.8 F)	97 years	47 of 100 (Notable)
17 July 1993	New Iberia AP - Acadiana Rgnl, US	daily rain	61.0 mm (2.4 in)	16.0 mm (0.6 in)	93 years	46 of 100 (Notable)
17 July 1993	Rock Rapids, US	daily rain	68.8 mm (2.7 in)	33.2 mm (1.3 in)	32 years	44 of 100 (Notable)
17 July 1993	McCracken, US	monthly rain	88.9 mm (3.5 in)	20.8 mm (0.8 in)	31 years	43 of 100 (Notable)
17 July 1993	Dillon U of Montana Western, US	daily low max	15.6 C (60.1 F)	2.7 C (4.9 F)	91 years	43 of 100 (Notable)
17 July 1993	Leola, US	daily rain	62.2 mm (2.4 in)	24.1 mm (0.9 in)	42 years	43 of 100 (Notable)
17 July 1993	La Harpe, US	daily rain	48.3 mm (1.9 in)	22.4 mm (0.9 in)	68 years	42 of 100 (Notable)
17 July 1993	Peterson, US	daily rain	72.4 mm (2.9 in)	46.5 mm (1.8 in)	20 years	42 of 100 (Notable)
17 July 1993	Lima, US	daily low max	13.3 C (55.9 F)	3.9 C (7.0 F)	78 years	42 of 100 (Notable)
17 July 1993	Grand Is Cntrl NE Rgnl AP, US	daily rain	70.9 mm (2.8 in)	46.0 mm (1.8 in)	4 years	42 of 100 (Notable)
17 July 1993	Ely AP, US	daily low min	1.7 C (35.1 F)	1.6 C (2.9 F)	95 years	42 of 100 (Notable)
17 July 1993	Greencastle 1 W, US	daily low max	22.2 C (72.0 F)	1.1 C (2.0 F)	96 years	41 of 100 (Notable)
17 July 1993	Larimore 4SW, US	daily rain	42.7 mm (1.7 in)	14.3 mm (0.6 in)	72 years	41 of 100 (Notable)
17 July 1993	Illahe, US	daily rain	25.4 mm (1.0 in)	25.1 mm (1.0 in)	52 years	41 of 100 (Notable)
17 July 1993	Britton, US	daily rain	58.9 mm (2.3 in)	13.9 mm (0.5 in)	64 years	41 of 100 (Notable)
17 July 1993	Ipswich, US	daily rain	48.3 mm (1.9 in)	7.7 mm (0.30 in)	80 years	41 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

1793 to 1993

Records set or tied on this calendar date in each year from 1793 to 1993. 1993 had 956 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 1993-07-17: 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 20	636
20 to 40	23
40 to 60	4
60 to 80	0
80 to 100	1