Weather Records on 23 September 1984

1,121 weather records were set or tied worldwide on 23 September 1984. Highest significance: Camp Crook, US.

Key Facts for 23 September 1984

On 23 September 1984, 1,121 weather records were set or tied at long-record stations worldwide.
300 were record highs and 300 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 110 monthly and 1,009 daily.
Camp Crook set a monthly record daily snowfall of 30.5 cm (12.0 in) on 23 September 1984.
Across 169 earlier years (1793 to 2026) the same calendar date averaged 427 records.

Record Map

1,121 stations

1,121 station records on 23 September 1984 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 September 1984: highest significance records shown on the map
Station	Country	Type	Value	Significance
Camp Crook	United States	Record daily snowfall	30.5 cm (12.0 in)	83 of 100 (Exceptional)
Mt Vernon 3 NE	United States	Record daily precipitation	80.0 mm (3.1 in)	68 of 100 (Major)
Dubois	United States	Record daily precipitation	40.9 mm (1.6 in)	68 of 100 (Major)
Pretty Rock	United States	Record daily snowfall	30.5 cm (12.0 in)	63 of 100 (Major)
Dubois	United States	Record daily snowfall	40.6 cm (16.0 in)	58 of 100 (Notable)
Cerlak	Russia	Record daily precipitation	26.7 mm (1.1 in)	55 of 100 (Notable)
Deaver	United States	Record daily snowfall	20.3 cm (8.0 in)	55 of 100 (Notable)
Ridgeway 1 S	United States	Record daily snowfall	22.9 cm (9.0 in)	54 of 100 (Notable)
Echeta 2 NW	United States	Record daily snowfall	12.7 cm (5.0 in)	54 of 100 (Notable)
Watauga S Dak 8 N	United States	Record daily snowfall	15.2 cm (6.0 in)	53 of 100 (Notable)
Ellensburg	United States	Record daily precipitation	29.5 mm (1.2 in)	51 of 100 (Notable)
Sheridan AP	United States	Record daily snowfall	32.8 cm (12.9 in)	51 of 100 (Notable)
Great Falls AP	United States	Record daily snowfall	14.0 cm (5.5 in)	51 of 100 (Notable)
Oakdale	United States	Record daily precipitation	163.6 mm (6.4 in)	50 of 100 (Notable)
Zalma 4 E	United States	Record daily precipitation	74.9 mm (2.9 in)	50 of 100 (Notable)
Lemmon	United States	Record daily snowfall	20.3 cm (8.0 in)	50 of 100 (Notable)
Benson	United States	Record daily precipitation	66.5 mm (2.6 in)	49 of 100 (Notable)
Bondurant	United States	Record daily precipitation	34.5 mm (1.4 in)	49 of 100 (Notable)
Lovell	United States	Record daily snowfall	7.6 cm (3.0 in)	49 of 100 (Notable)
Pavillion	United States	Record daily precipitation	27.9 mm (1.1 in)	49 of 100 (Notable)
Langvattnet	Sweden	Record daily precipitation	28.4 mm (1.1 in)	48 of 100 (Notable)
Surat Thani	Thailand	Record daily precipitation	91.0 mm (3.6 in)	48 of 100 (Notable)
Flora 5 NW	United States	Record daily precipitation	59.7 mm (2.4 in)	48 of 100 (Notable)
Reeder	United States	Record daily snowfall	20.3 cm (8.0 in)	48 of 100 (Notable)
Lemmon	United States	Record snow depth	20.3 cm (8.0 in)	48 of 100 (Notable)
Tandsbyn	Sweden	Record daily precipitation	25.0 mm (1.0 in)	47 of 100 (Notable)
Camp Crook	United States	Record snow depth	25.4 cm (10.0 in)	47 of 100 (Notable)
Soderhamn A	Sweden	Record daily precipitation	47.2 mm (1.9 in)	46 of 100 (Notable)
Chester	United States	Record daily precipitation	94.0 mm (3.7 in)	46 of 100 (Notable)
Bridger 2 N	United States	Record daily snowfall	12.2 cm (4.8 in)	46 of 100 (Notable)
Ralph 1 N	United States	Record daily snowfall	30.5 cm (12.0 in)	46 of 100 (Notable)
Bunker 4N	United States	Record daily precipitation	108.7 mm (4.3 in)	45 of 100 (Notable)
Decker	United States	Record daily precipitation	30.5 mm (1.2 in)	45 of 100 (Notable)
Ft Logan 4 ESE	United States	Record daily snowfall	5.1 cm (2.0 in)	45 of 100 (Notable)
Mellette 4 W	United States	Record low maximum temperature	3.9 C (39.0 F)	45 of 100 (Notable)
Broadus	United States	Record daily snowfall	24.9 cm (9.8 in)	44 of 100 (Notable)
Moffit 3 SE	United States	Record daily snowfall	10.2 cm (4.0 in)	44 of 100 (Notable)
Nashville 1 E	United States	Record daily precipitation	77.5 mm (3.1 in)	43 of 100 (Notable)
Shields	United States	Record daily snowfall	10.2 cm (4.0 in)	43 of 100 (Notable)
Diversion Dam	United States	Record daily precipitation	27.9 mm (1.1 in)	43 of 100 (Notable)
Greenville 6 N	United States	Record daily precipitation	66.8 mm (2.6 in)	42 of 100 (Notable)
Van Buren 1 NE	United States	Record daily precipitation	63.5 mm (2.5 in)	42 of 100 (Notable)
Gibson 2 NE	United States	Record daily snowfall	15.2 cm (6.0 in)	42 of 100 (Notable)
Hysham	United States	Record daily snowfall	20.3 cm (8.0 in)	42 of 100 (Notable)
Dubois	United States	Record snow depth	30.5 cm (12.0 in)	42 of 100 (Notable)
Greybull	United States	Record daily snowfall	15.2 cm (6.0 in)	42 of 100 (Notable)
Colstrip	United States	Record low minimum temperature	-12.8 C (9.0 F)	41 of 100 (Notable)
Leavenworth 3 S	United States	Record low maximum temperature	7.2 C (45.0 F)	41 of 100 (Notable)
Tossasen	Sweden	Record daily precipitation	25.3 mm (1.0 in)	40 of 100 (Notable)
Vinnytsia	Ukraine	Record daily precipitation	32.1 mm (1.3 in)	40 of 100 (Notable)
Corning	United States	Record daily precipitation	54.4 mm (2.1 in)	40 of 100 (Notable)
Madison 1 NW	United States	Record daily precipitation	65.5 mm (2.6 in)	40 of 100 (Notable)
Madison Wwtp	United States	Record daily precipitation	64.5 mm (2.5 in)	40 of 100 (Notable)
Fredericktown	United States	Record daily precipitation	74.7 mm (2.9 in)	40 of 100 (Notable)
Columbus	United States	Record daily snowfall	10.2 cm (4.0 in)	40 of 100 (Notable)
Redig 11 NE	United States	Record daily snowfall	7.6 cm (3.0 in)	40 of 100 (Notable)
Buffalo Bill Dam	United States	Record daily snowfall	15.2 cm (6.0 in)	40 of 100 (Notable)
Sheridan AP	United States	Record daily precipitation	29.7 mm (1.2 in)	40 of 100 (Notable)
Salem	United States	Record daily precipitation	63.5 mm (2.5 in)	39 of 100 (Notable)
Waterloo 6SW	United States	Record daily precipitation	86.4 mm (3.4 in)	39 of 100 (Notable)

Counts by Type and Timescale

1,121 records

Records set or tied on 23 September 1984 by type: Highest daily maximum 104, Lowest daily maximum 215, Highest daily minimum 196, Lowest daily minimum 85, Heaviest daily rainfall 359, Heaviest daily snowfall 95, Deepest snow cover 67.

Records on 23 September 1984 by type
Record type	Records
Highest daily maximum	104
Lowest daily maximum	215
Highest daily minimum	196
Lowest daily minimum	85
Heaviest daily rainfall	359
Heaviest daily snowfall	95
Deepest snow cover	67

Records on 23 September 1984 by timescale: all-time 2, monthly 110, daily 1,009.

How Much Records Were Beaten By

929 broken records

Margins by which the 929 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 229.0. Ties are not counted.

Top 20 by Significance

23 September 1984

Top 20 records on 23 September 1984 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 September 1984	Camp Crook, US	monthly snowfall	30.5 cm (12.0 in)	22.9 cm (9.0 in)	81 years	83 of 100 (Exceptional)
23 September 1984	Mt Vernon 3 NE, US	daily rain	80.0 mm (3.1 in)	55.6 mm (2.2 in)	70 years	68 of 100 (Major)
23 September 1984	Dubois, US	daily rain	40.9 mm (1.6 in)	30.7 mm (1.2 in)	69 years	68 of 100 (Major)
23 September 1984	Pretty Rock, US	monthly snowfall	30.5 cm (12.0 in)	22.9 cm (9.0 in)	34 years	63 of 100 (Major)
23 September 1984	Dubois, US	all-time snowfall	40.6 cm (16.0 in)	5.0 cm (2.0 in)	75 years	58 of 100 (Notable)
23 September 1984	Cerlak, RU	daily rain	26.7 mm (1.1 in)	19.1 mm (0.8 in)	38 years	55 of 100 (Notable)
23 September 1984	Deaver, US	monthly snowfall	20.3 cm (8.0 in)	11.4 cm (4.5 in)	58 years	55 of 100 (Notable)
23 September 1984	Ridgeway 1 S, US	monthly snowfall	22.9 cm (9.0 in)	17.8 cm (7.0 in)	22 years	54 of 100 (Notable)
23 September 1984	Echeta 2 NW, US	daily snowfall	12.7 cm (5.0 in)	12.7 cm (5.0 in)	76 years	54 of 100 (Notable)
23 September 1984	Watauga S Dak 8 N, US	monthly snowfall	15.2 cm (6.0 in)	15.2 cm (6.0 in)	34 years	53 of 100 (Notable)
23 September 1984	Ellensburg, US	monthly rain	29.5 mm (1.2 in)	5.4 mm (0.21 in)	65 years	51 of 100 (Notable)
23 September 1984	Sheridan AP, US	monthly snowfall	32.8 cm (12.9 in)	19.1 cm (7.5 in)	2 years	51 of 100 (Notable)
23 September 1984	Great Falls AP, US	daily snowfall	14.0 cm (5.5 in)	14.0 cm (5.5 in)	47 years	51 of 100 (Notable)
23 September 1984	Oakdale, US	daily rain	163.6 mm (6.4 in)	96.5 mm (3.8 in)	29 years	50 of 100 (Notable)
23 September 1984	Zalma 4 E, US	daily rain	74.9 mm (2.9 in)	49.5 mm (1.9 in)	48 years	50 of 100 (Notable)
23 September 1984	Lemmon, US	monthly snowfall	20.3 cm (8.0 in)	6.3 cm (2.5 in)	72 years	50 of 100 (Notable)
23 September 1984	Benson, US	daily rain	66.5 mm (2.6 in)	51.0 mm (2.0 in)	21 years	49 of 100 (Notable)
23 September 1984	Bondurant, US	daily rain	34.5 mm (1.4 in)	30.2 mm (1.2 in)	21 years	49 of 100 (Notable)
23 September 1984	Lovell, US	daily snowfall	7.6 cm (3.0 in)	7.6 cm (3.0 in)	86 years	49 of 100 (Notable)
23 September 1984	Pavillion, US	daily rain	27.9 mm (1.1 in)	24.6 mm (1.0 in)	47 years	49 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 1,121 records.

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

Records on 09-23 in each year
Year	Records
1793	1
1796	1
1799	1
1804	1
1832	1
1835	1
1838	1
1842	3
1843	1
1845	2
1848	1
1849	1
1850	1
1851	2
1854	3
1855	1
1859	2
1864	1
1865	1
1866	1
1868	1
1871	1
1872	1
1874	1
1875	1
1876	1
1877	1
1881	4
1882	2
1885	1
1886	1
1887	1
1888	1
1889	3
1890	2
1891	1
1892	2
1893	4
1895	9
1896	5
1897	1
1898	2
1899	4
1900	4
1901	2
1902	6
1903	7
1904	19
1905	6
1906	6
1907	19
1908	19
1909	15
1910	8
1911	11
1912	15
1913	22
1914	29
1915	25
1916	324
1917	56
1918	34
1919	40
1920	44
1921	47
1922	34
1923	74
1924	194
1925	223
1926	459
1927	247
1928	382
1929	198
1930	472
1931	600
1932	383
1933	281
1934	361
1935	239
1936	377
1937	557
1938	389
1939	279
1940	374
1941	490
1942	557
1943	322
1944	381
1945	652
1946	623
1947	803
1948	259
1949	496
1950	267
1951	462
1952	432
1953	271
1954	324
1955	852
1956	299
1957	539
1958	641
1959	307
1960	470
1961	670
1962	344
1963	568
1964	322
1965	783
1966	528
1967	341
1968	481
1969	450
1970	1,457
1971	578
1972	461
1973	674
1974	1,543
1975	1,038
1976	463
1977	616
1978	500
1979	586
1980	1,037
1981	717
1982	775
1983	1,744
1984	1,121
1985	924
1986	740
1987	1,077
1988	653
1989	1,376
1990	702
1991	519
1992	976
1993	983
1994	1,140
1995	1,868
1996	809
1997	1,060
1998	1,326
1999	1,207
2000	2,026
2001	790
2002	930
2003	1,243
2004	986
2005	1,207
2006	1,509
2007	1,153
2008	835
2009	1,201
2010	1,360
2011	666
2012	785
2013	573
2014	595
2015	587
2016	774
2017	1,371
2018	693
2019	565
2020	618
2021	602
2022	551
2023	812
2024	499
2025	449
2026	384

Download the Data

Data for records on 1984-09-23: 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 50	834
50 to 100	59
100 to 150	19
150 to 200	13
200 to 250	4