Weather Records on 20 October 1993

1,238 weather records were set or tied worldwide on 20 October 1993. Highest significance: Amity, US.

Key Facts for 20 October 1993

On 20 October 1993, 1,238 weather records were set or tied at long-record stations worldwide.
510 were record highs and 277 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 43 monthly and 1,195 daily.
Amity set a daily record precipitation of 125.0 mm (4.9 in) on 20 October 1993.
Across 160 earlier years (1806 to 2025) the same calendar date averaged 452 records.

Record Map

1,238 stations

1,238 station records on 20 October 1993 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 October 1993: highest significance records shown on the map
Station	Country	Type	Value	Significance
Amity	United States	Record daily precipitation	125.0 mm (4.9 in)	77 of 100 (Major)
Hot Springs 1 NNE	United States	Record daily precipitation	92.7 mm (3.6 in)	66 of 100 (Major)
Houston William P Hobby AP	United States	Record daily precipitation	178.3 mm (7.0 in)	62 of 100 (Major)
Conroe	United States	Record daily precipitation	109.2 mm (4.3 in)	60 of 100 (Major)
New Braunfels	United States	Record daily precipitation	95.5 mm (3.8 in)	60 of 100 (Major)
Nashville 2 NNE	United States	Record daily precipitation	62.5 mm (2.5 in)	58 of 100 (Notable)
San Marcos	United States	Record daily precipitation	104.1 mm (4.1 in)	58 of 100 (Notable)
Oden 1 SE	United States	Record daily precipitation	106.7 mm (4.2 in)	56 of 100 (Notable)
Franklin	United States	Record daily precipitation	67.3 mm (2.6 in)	56 of 100 (Notable)
Manchester 4 W	United States	Record daily precipitation	57.4 mm (2.3 in)	54 of 100 (Notable)
Idabel	United States	Record daily precipitation	126.5 mm (5.0 in)	54 of 100 (Notable)
Fischers Store	United States	Record daily precipitation	69.9 mm (2.8 in)	54 of 100 (Notable)
Circleville	United States	Record daily precipitation	66.5 mm (2.6 in)	53 of 100 (Notable)
Morrilton	United States	Record daily precipitation	95.3 mm (3.8 in)	52 of 100 (Notable)
Clarksville 2NE	United States	Record daily precipitation	119.1 mm (4.7 in)	52 of 100 (Notable)
Vigas	Mexico	Record daily precipitation	47.0 mm (1.9 in)	51 of 100 (Notable)
Malvern	United States	Record daily precipitation	55.9 mm (2.2 in)	50 of 100 (Notable)
Frankfort Downtown	United States	Record daily precipitation	56.6 mm (2.2 in)	50 of 100 (Notable)
Blakely Mtn Dam	United States	Record daily precipitation	113.0 mm (4.4 in)	49 of 100 (Notable)
Hillsboro	United States	Record daily precipitation	148.3 mm (5.8 in)	49 of 100 (Notable)
Victoria Cp&L	United States	Record daily precipitation	77.2 mm (3.0 in)	49 of 100 (Notable)
Nashville	United States	Record daily precipitation	117.9 mm (4.6 in)	48 of 100 (Notable)
Bloomington Indiana UNIV	United States	Record daily precipitation	68.6 mm (2.7 in)	47 of 100 (Notable)
Wharton	United States	Record daily precipitation	83.3 mm (3.3 in)	47 of 100 (Notable)
Waldron	United States	Record daily precipitation	87.1 mm (3.4 in)	46 of 100 (Notable)
Carnasaw Twr	United States	Record daily precipitation	133.9 mm (5.3 in)	46 of 100 (Notable)
Smithville	United States	Record daily precipitation	92.7 mm (3.6 in)	46 of 100 (Notable)
Dierks	United States	Record daily precipitation	108.0 mm (4.3 in)	45 of 100 (Notable)
Subiaco	United States	Record daily precipitation	55.6 mm (2.2 in)	45 of 100 (Notable)
Decatur	United States	Record daily precipitation	73.7 mm (2.9 in)	45 of 100 (Notable)
Mt Pleasant	United States	Record daily precipitation	107.4 mm (4.2 in)	45 of 100 (Notable)
Navarro Mills Dam	United States	Record daily precipitation	124.2 mm (4.9 in)	45 of 100 (Notable)
Dequeen	United States	Record daily precipitation	79.0 mm (3.1 in)	44 of 100 (Notable)
Horatio	United States	Record daily precipitation	99.1 mm (3.9 in)	44 of 100 (Notable)
Edom	United States	Record daily precipitation	127.0 mm (5.0 in)	44 of 100 (Notable)
Los Rodriguez	Mexico	Record daily precipitation	34.8 mm (1.4 in)	43 of 100 (Notable)
Joloapan (Cfe)	Mexico	Record daily precipitation	129.8 mm (5.1 in)	43 of 100 (Notable)
Boyd	United States	Record daily precipitation	124.0 mm (4.9 in)	43 of 100 (Notable)
Houston Spring Branch	United States	Record daily precipitation	77.7 mm (3.1 in)	43 of 100 (Notable)
Rosser	United States	Record daily precipitation	161.3 mm (6.4 in)	43 of 100 (Notable)
Blue Mtn Dam	United States	Record daily precipitation	80.3 mm (3.2 in)	42 of 100 (Notable)
Danville	United States	Record daily precipitation	82.6 mm (3.3 in)	42 of 100 (Notable)
Winnsboro 5 NNE	United States	Record daily precipitation	91.4 mm (3.6 in)	42 of 100 (Notable)
San Antonio Intl AP	United States	Record daily precipitation	61.0 mm (2.4 in)	42 of 100 (Notable)
Coimbatore/Peelamed	India	Record daily precipitation	84.1 mm (3.3 in)	41 of 100 (Notable)
Gravelly	United States	Record daily precipitation	83.8 mm (3.3 in)	41 of 100 (Notable)
Greers Ferry Dam	United States	Record daily precipitation	68.6 mm (2.7 in)	41 of 100 (Notable)
Carter Twr	United States	Record daily precipitation	118.1 mm (4.6 in)	41 of 100 (Notable)
Nixon	United States	Record daily precipitation	71.1 mm (2.8 in)	41 of 100 (Notable)
Sulphur Springs	United States	Record daily precipitation	109.0 mm (4.3 in)	41 of 100 (Notable)
Yorktown	United States	Record daily precipitation	81.3 mm (3.2 in)	41 of 100 (Notable)
Jagdalpur	India	Record daily precipitation	64.8 mm (2.6 in)	40 of 100 (Notable)
Dardanelle	United States	Record daily precipitation	82.6 mm (3.3 in)	40 of 100 (Notable)
Mena	United States	Record daily precipitation	99.8 mm (3.9 in)	40 of 100 (Notable)
Smithville	United States	Record daily precipitation	91.4 mm (3.6 in)	40 of 100 (Notable)
Rockdale	United States	Record daily precipitation	77.5 mm (3.1 in)	40 of 100 (Notable)
Lexington Bluegrass AP	United States	Record daily precipitation	44.5 mm (1.8 in)	40 of 100 (Notable)
Antoine 1 SW	United States	Record daily precipitation	78.2 mm (3.1 in)	39 of 100 (Notable)
Hope 3 NE	United States	Record daily precipitation	58.7 mm (2.3 in)	39 of 100 (Notable)
Pine Ridge	United States	Record daily precipitation	112.0 mm (4.4 in)	39 of 100 (Notable)

Counts by Type and Timescale

1,238 records

Records set or tied on 20 October 1993 by type: Highest daily maximum 193, Lowest daily maximum 115, Highest daily minimum 317, Lowest daily minimum 162, Heaviest daily rainfall 435, Heaviest daily snowfall 2, Deepest snow cover 14.

Records on 20 October 1993 by type
Record type	Records
Highest daily maximum	193
Lowest daily maximum	115
Highest daily minimum	317
Lowest daily minimum	162
Heaviest daily rainfall	435
Heaviest daily snowfall	2
Deepest snow cover	14

Records on 20 October 1993 by timescale: all-time 0, monthly 43, daily 1,195.

How Much Records Were Beaten By

975 broken records

Margins by which the 975 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 170.0. Ties are not counted.

Top 20 by Significance

20 October 1993

Top 20 records on 20 October 1993 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 October 1993	Amity, US	daily rain	125.0 mm (4.9 in)	95.0 mm (3.7 in)	94 years	77 of 100 (Major)
20 October 1993	Hot Springs 1 NNE, US	daily rain	92.7 mm (3.6 in)	50.8 mm (2.0 in)	94 years	66 of 100 (Major)
20 October 1993	Houston William P Hobby AP, US	daily rain	178.3 mm (7.0 in)	142.2 mm (5.6 in)	54 years	62 of 100 (Major)
20 October 1993	Conroe, US	daily rain	109.2 mm (4.3 in)	100.6 mm (4.0 in)	36 years	60 of 100 (Major)
20 October 1993	New Braunfels, US	daily rain	95.5 mm (3.8 in)	61.0 mm (2.4 in)	83 years	60 of 100 (Major)
20 October 1993	Nashville 2 NNE, US	daily rain	62.5 mm (2.5 in)	49.3 mm (1.9 in)	36 years	58 of 100 (Notable)
20 October 1993	San Marcos, US	daily rain	104.1 mm (4.1 in)	65.2 mm (2.6 in)	83 years	58 of 100 (Notable)
20 October 1993	Oden 1 SE, US	daily rain	106.7 mm (4.2 in)	77.5 mm (3.1 in)	44 years	56 of 100 (Notable)
20 October 1993	Franklin, US	daily rain	67.3 mm (2.6 in)	56.4 mm (2.2 in)	32 years	56 of 100 (Notable)
20 October 1993	Manchester 4 W, US	daily rain	57.4 mm (2.3 in)	27.7 mm (1.1 in)	76 years	54 of 100 (Notable)
20 October 1993	Idabel, US	daily rain	126.5 mm (5.0 in)	82.0 mm (3.2 in)	22 years	54 of 100 (Notable)
20 October 1993	Fischers Store, US	daily rain	69.9 mm (2.8 in)	31.8 mm (1.3 in)	98 years	54 of 100 (Notable)
20 October 1993	Circleville, US	monthly rain	66.5 mm (2.6 in)	8.1 mm (0.32 in)	82 years	53 of 100 (Notable)
20 October 1993	Morrilton, US	daily rain	95.3 mm (3.8 in)	64.1 mm (2.5 in)	31 years	52 of 100 (Notable)
20 October 1993	Clarksville 2NE, US	daily rain	119.1 mm (4.7 in)	79.5 mm (3.1 in)	22 years	52 of 100 (Notable)
20 October 1993	Vigas, MX	daily rain	47.0 mm (1.9 in)	42.2 mm (1.7 in)	28 years	51 of 100 (Notable)
20 October 1993	Malvern, US	daily rain	55.9 mm (2.2 in)	21.6 mm (0.9 in)	94 years	50 of 100 (Notable)
20 October 1993	Frankfort Downtown, US	daily rain	56.6 mm (2.2 in)	21.0 mm (0.8 in)	75 years	50 of 100 (Notable)
20 October 1993	Blakely Mtn Dam, US	daily rain	113.0 mm (4.4 in)	96.2 mm (3.8 in)	16 years	49 of 100 (Notable)
20 October 1993	Hillsboro, US	monthly rain	148.3 mm (5.8 in)	22.6 mm (0.9 in)	66 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

1806 to 1993

Records set or tied on this calendar date in each year from 1806 to 1993. 1993 had 1,238 records.

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

Records on 10-20 in each year
Year	Records
1806	1
1835	1
1844	1
1846	1
1847	2
1851	1
1852	1
1858	1
1863	2
1864	2
1866	3
1867	1
1868	2
1872	2
1874	2
1875	3
1876	2
1877	1
1878	1
1880	3
1881	2
1884	1
1885	1
1886	1
1887	1
1888	6
1891	4
1892	4
1893	1
1894	3
1895	4
1896	9
1897	2
1898	7
1899	1
1900	8
1901	7
1902	5
1903	9
1904	13
1905	22
1906	28
1907	32
1908	26
1909	17
1910	31
1911	16
1912	6
1913	38
1914	16
1915	20
1916	72
1917	201
1918	34
1919	19
1920	81
1921	68
1922	83
1923	96
1924	182
1925	247
1926	147
1927	283
1928	92
1929	129
1930	672
1931	125
1932	331
1933	675
1934	422
1935	390
1936	370
1937	189
1938	231
1939	367
1940	757
1941	459
1942	152
1943	501
1944	288
1945	363
1946	310
1947	1,494
1948	320
1949	1,084
1950	619
1951	279
1952	520
1953	1,057
1954	262
1955	529
1956	283
1957	440
1958	461
1959	451
1960	671
1961	479
1962	733
1963	765
1964	598
1965	340
1966	857
1967	511
1968	244
1969	607
1970	710
1971	606
1972	1,724
1973	878
1974	1,122
1975	587
1976	1,304
1977	467
1978	508
1979	1,647
1980	350
1981	1,083
1982	1,191
1983	944
1984	1,562
1985	835
1986	823
1987	590
1988	737
1989	2,092
1990	609
1991	971
1992	1,174
1993	1,238
1994	650
1995	703
1996	1,417
1997	949
1998	683
1999	603
2000	737
2001	589
2002	985
2003	1,761
2004	1,861
2005	1,092
2006	1,170
2007	923
2008	477
2009	786
2010	539
2011	785
2012	945
2013	592
2014	851
2015	523
2016	947
2017	602
2018	394
2019	744
2020	1,010
2021	900
2022	834
2023	1,468
2024	707
2025	326

Download the Data

Data for records on 1993-10-20: 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 25	857
25 to 50	56
50 to 75	37
75 to 100	14
100 to 125	6
125 to 150	1
150 to 175	4