Weather Records on 17 July 1984

875 weather records were set or tied worldwide on 17 July 1984. Highest significance: Beaverhead R/S, US.

Key Facts for 17 July 1984

On 17 July 1984, 875 weather records were set or tied at long-record stations worldwide.
241 were record highs and 380 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 21 monthly and 852 daily.
Beaverhead R/S set a monthly record daily precipitation of 54.4 mm (2.1 in) on 17 July 1984.
Across 163 earlier years (1793 to 2026) the same calendar date averaged 442 records.

Record Map

875 stations

875 station records on 17 July 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 July 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Beaverhead R/S	United States	Record daily precipitation	54.4 mm (2.1 in)	65 of 100 (Major)
San Telmo	Mexico	Record daily precipitation	51.8 mm (2.0 in)	60 of 100 (Major)
Edgefield 3 NNE	United States	Record daily precipitation	70.1 mm (2.8 in)	58 of 100 (Notable)
Mena	United States	Record daily precipitation	59.9 mm (2.4 in)	54 of 100 (Notable)
Tlanchinol (Smn)	Mexico	Record daily precipitation	140.5 mm (5.5 in)	51 of 100 (Notable)
El Rosarito	Mexico	Record daily precipitation	69.9 mm (2.8 in)	50 of 100 (Notable)
Svenska Hogarna	Sweden	Record daily precipitation	26.1 mm (1.0 in)	50 of 100 (Notable)
Ft Ross	United States	Record low minimum temperature	2.8 C (37.0 F)	50 of 100 (Notable)
State UNIV	United States	Record daily precipitation	45.2 mm (1.8 in)	50 of 100 (Notable)
Santa Ana (Dge)	Mexico	Record daily precipitation	65.3 mm (2.6 in)	47 of 100 (Notable)
Kingston	United States	Record daily precipitation	83.3 mm (3.3 in)	47 of 100 (Notable)
Swan Island Lighthouse	Australia	Record daily precipitation	26.8 mm (1.1 in)	45 of 100 (Notable)
Gartz/Oder	Germany	Record daily precipitation	40.0 mm (1.6 in)	45 of 100 (Notable)
Napa State Hospital	United States	Record high minimum temperature	18.3 C (64.9 F)	45 of 100 (Notable)
Atil	Mexico	Record daily precipitation	68.3 mm (2.7 in)	44 of 100 (Notable)
Catawba	United States	Record daily precipitation	84.6 mm (3.3 in)	44 of 100 (Notable)
Chemnitz	Germany	Record low maximum temperature	12.1 C (53.8 F)	43 of 100 (Notable)
Corinth 5 WSW	United States	Record low maximum temperature	26.1 C (79.0 F)	42 of 100 (Notable)
Rodeo (Dge)	Mexico	Record low maximum temperature	21.7 C (71.1 F)	40 of 100 (Notable)
East Park Rsvr	United States	Record high minimum temperature	25.0 C (77.0 F)	40 of 100 (Notable)
Freehold-Marlboro	United States	Record daily precipitation	30.5 mm (1.2 in)	40 of 100 (Notable)
Los Angeles Downtown/Usc	United States	Record high minimum temperature	23.3 C (73.9 F)	40 of 100 (Notable)
Fordyce	United States	Record low minimum temperature	11.7 C (53.1 F)	39 of 100 (Notable)
Healdsburg	United States	Record high minimum temperature	18.3 C (64.9 F)	39 of 100 (Notable)
Mora	United States	Record low minimum temperature	2.2 C (36.0 F)	39 of 100 (Notable)
New England	United States	Record low minimum temperature	-1.7 C (28.9 F)	38 of 100 (Notable)
Presa Ansaldo	Mexico	Record daily precipitation	49.3 mm (1.9 in)	37 of 100 (Notable)
San Rafael-Civic Ctr	United States	Record high minimum temperature	18.3 C (64.9 F)	37 of 100 (Notable)
Plain Dealing	United States	Record daily precipitation	47.0 mm (1.9 in)	37 of 100 (Notable)
Pontotoc	United States	Record daily precipitation	47.2 mm (1.9 in)	37 of 100 (Notable)
Richland	United States	Record high minimum temperature	31.1 C (88.0 F)	37 of 100 (Notable)
Woolwine 1 SE	United States	Record daily precipitation	54.4 mm (2.1 in)	37 of 100 (Notable)
Alum Fk	United States	Record daily precipitation	57.9 mm (2.3 in)	36 of 100 (Notable)
Adin Rs	United States	Record high minimum temperature	15.6 C (60.1 F)	36 of 100 (Notable)
El-Golea	Algeria	Record low minimum temperature	20.8 C (69.4 F)	35 of 100 (Notable)
Laguna Beach	United States	Record high maximum temperature	32.2 C (90.0 F)	35 of 100 (Notable)
San Jose	United States	Record high minimum temperature	18.9 C (66.0 F)	35 of 100 (Notable)
Tilden 4 SSE	United States	Record low minimum temperature	20.0 C (68.0 F)	35 of 100 (Notable)
Wamego 4 W	United States	Record low minimum temperature	11.1 C (52.0 F)	34 of 100 (Routine)
Glenwood	United States	Record daily precipitation	34.3 mm (1.4 in)	34 of 100 (Routine)
Poteau	United States	Record daily precipitation	59.7 mm (2.4 in)	34 of 100 (Routine)
Anniston Metro AP	United States	Record daily precipitation	34.8 mm (1.4 in)	34 of 100 (Routine)
McCloud	United States	Record high minimum temperature	16.1 C (61.0 F)	33 of 100 (Routine)
Willows 6 W	United States	Record high minimum temperature	26.1 C (79.0 F)	33 of 100 (Routine)
Greenville	United States	Record daily precipitation	52.1 mm (2.1 in)	33 of 100 (Routine)
Pilliga Post Office	Australia	Record daily precipitation	35.0 mm (1.4 in)	32 of 100 (Routine)
Leipzig-Holzhausen	Germany	Record low maximum temperature	15.0 C (59.0 F)	32 of 100 (Routine)
Esashi	Japan	Record daily precipitation	57.5 mm (2.3 in)	32 of 100 (Routine)
Calvillo (Smn)	Mexico	Record low maximum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
Scotia	United States	Record high maximum temperature	28.3 C (82.9 F)	32 of 100 (Routine)
Red Bluff Muni AP	United States	Record high minimum temperature	27.2 C (81.0 F)	32 of 100 (Routine)
Metapa de Dominguez	Mexico	Record low minimum temperature	15.0 C (59.0 F)	31 of 100 (Routine)
San Fernando	Mexico	Record low minimum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
Chula Vista	United States	Record high maximum temperature	27.8 C (82.0 F)	31 of 100 (Routine)
Santa Barbara	United States	Record high minimum temperature	18.9 C (66.0 F)	31 of 100 (Routine)
Wibaux 2 E	United States	Record low minimum temperature	3.9 C (39.0 F)	31 of 100 (Routine)
Carson	United States	Record low minimum temperature	4.4 C (39.9 F)	31 of 100 (Routine)
Bollerup	Sweden	Record daily precipitation	32.0 mm (1.3 in)	30 of 100 (Routine)
Los Gatos	United States	Record high minimum temperature	17.8 C (64.0 F)	30 of 100 (Routine)
Visalia	United States	Record high minimum temperature	25.0 C (77.0 F)	30 of 100 (Routine)

Counts by Type and Timescale

875 records

Records set or tied on 17 July 1984 by type: Highest daily maximum 67, Lowest daily maximum 260, Highest daily minimum 174, Lowest daily minimum 120, Heaviest daily rainfall 254.

Records on 17 July 1984 by type
Record type	Records
Highest daily maximum	67
Lowest daily maximum	260
Highest daily minimum	174
Lowest daily minimum	120
Heaviest daily rainfall	254
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 July 1984 by timescale: all-time 2, monthly 21, daily 852.

How Much Records Were Beaten By

701 broken records

Margins by which the 701 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 86.4. Ties are not counted.

Top 20 by Significance

17 July 1984

Top 20 records on 17 July 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 July 1984	Beaverhead R/S, US	monthly rain	54.4 mm (2.1 in)	23.9 mm (0.9 in)	30 years	65 of 100 (Major)
17 July 1984	San Telmo, MX	monthly rain	51.8 mm (2.0 in)	42.9 mm (1.7 in)	23 years	60 of 100 (Major)
17 July 1984	Edgefield 3 NNE, US	daily rain	70.1 mm (2.8 in)	46.5 mm (1.8 in)	72 years	58 of 100 (Notable)
17 July 1984	Mena, US	daily rain	59.9 mm (2.4 in)	28.7 mm (1.1 in)	90 years	54 of 100 (Notable)
17 July 1984	Tlanchinol (Smn), MX	daily rain	140.5 mm (5.5 in)	86.4 mm (3.4 in)	24 years	51 of 100 (Notable)
17 July 1984	El Rosarito, MX	monthly rain	69.9 mm (2.8 in)	28.0 mm (1.1 in)	30 years	50 of 100 (Notable)
17 July 1984	Svenska Hogarna, SE	daily rain	26.1 mm (1.0 in)	14.0 mm (0.6 in)	62 years	50 of 100 (Notable)
17 July 1984	Ft Ross, US	monthly low min	2.8 C (37.0 F)	1.6 C (2.9 F)	81 years	50 of 100 (Notable)
17 July 1984	State UNIV, US	daily rain	45.2 mm (1.8 in)	23.6 mm (0.9 in)	90 years	50 of 100 (Notable)
17 July 1984	Santa Ana (Dge), MX	daily rain	65.3 mm (2.6 in)	50.8 mm (2.0 in)	16 years	47 of 100 (Notable)
17 July 1984	Kingston, US	daily rain	83.3 mm (3.3 in)	53.8 mm (2.1 in)	23 years	47 of 100 (Notable)
17 July 1984	Swan Island Lighthouse, AU	daily rain	26.8 mm (1.1 in)	13.1 mm (0.5 in)	38 years	45 of 100 (Notable)
17 July 1984	Gartz/Oder, DE	daily rain	40.0 mm (1.6 in)	24.3 mm (1.0 in)	19 years	45 of 100 (Notable)
17 July 1984	Napa State Hospital, US	daily high min	18.3 C (64.9 F)	3.3 C (5.9 F)	70 years	45 of 100 (Notable)
17 July 1984	Atil, MX	daily rain	68.3 mm (2.7 in)	42.4 mm (1.7 in)	25 years	44 of 100 (Notable)
17 July 1984	Catawba, US	daily rain	84.6 mm (3.3 in)	32.5 mm (1.3 in)	65 years	44 of 100 (Notable)
17 July 1984	Chemnitz, DE	daily low max	12.1 C (53.8 F)	1.4 C (2.5 F)	100 years	43 of 100 (Notable)
17 July 1984	Corinth 5 WSW, US	daily low max	26.1 C (79.0 F)	2.8 C (5.0 F)	81 years	42 of 100 (Notable)
17 July 1984	Rodeo (Dge), MX	daily low max	21.7 C (71.1 F)	8.9 C (16.0 F)	29 years	40 of 100 (Notable)
17 July 1984	East Park Rsvr, US	monthly high min	25.0 C (77.0 F)	0.6 C (1.1 F)	73 years	40 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 1984

Records set or tied on this calendar date in each year from 1793 to 1984. 1984 had 875 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 1984-07-17: 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	672
20 to 40	20
40 to 60	8
60 to 80	0
80 to 100	1