Weather Records on 1 October 1983

783 weather records were set or tied worldwide on 1 October 1983. Highest significance: Tucson WFO, US.

Key Facts for 1 October 1983

On 1 October 1983, 783 weather records were set or tied at long-record stations worldwide.
176 were record highs and 232 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 54 monthly and 725 daily.
Tucson WFO set an all-time record daily precipitation of 105.7 mm (4.2 in) on 1 October 1983.
Across 161 earlier years (1813 to 2026) the same calendar date averaged 434 records.

Record Map

783 stations

783 station records on 1 October 1983 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 1 October 1983: highest significance records shown on the map
Station	Country	Type	Value	Significance
Tucson WFO	United States	Record daily precipitation	105.7 mm (4.2 in)	83 of 100 (Exceptional)
Van Nuys Fc15A	United States	Record daily precipitation	45.2 mm (1.8 in)	71 of 100 (Major)
Florence	United States	Record daily precipitation	50.8 mm (2.0 in)	67 of 100 (Major)
Oceanside Marina	United States	Record daily precipitation	31.0 mm (1.2 in)	67 of 100 (Major)
Riverside Fire STN 3	United States	Record daily precipitation	34.5 mm (1.4 in)	64 of 100 (Major)
Lytle Creek Rs	United States	Record daily precipitation	82.3 mm (3.2 in)	62 of 100 (Major)
El Toro MCAS	United States	Record daily precipitation	31.0 mm (1.2 in)	60 of 100 (Major)
Wishek	United States	Record daily precipitation	33.5 mm (1.3 in)	59 of 100 (Notable)
Fullerton 1 ESE	United States	Record daily precipitation	49.5 mm (1.9 in)	58 of 100 (Notable)
Newhall S Fc32Ce	United States	Record daily precipitation	48.8 mm (1.9 in)	57 of 100 (Notable)
Los Prietos Rs	United States	Record daily precipitation	122.9 mm (4.8 in)	56 of 100 (Notable)
Mimbres 4NNW	United States	Record daily precipitation	38.1 mm (1.5 in)	56 of 100 (Notable)
Eureka	United States	Record daily precipitation	37.3 mm (1.5 in)	56 of 100 (Notable)
Cachuma Lake	United States	Record daily precipitation	66.0 mm (2.6 in)	55 of 100 (Notable)
Juncal Dam	United States	Record daily precipitation	115.8 mm (4.6 in)	55 of 100 (Notable)
Los Alamos	United States	Record daily precipitation	31.0 mm (1.2 in)	54 of 100 (Notable)
Pomona/Fairplex	United States	Record daily precipitation	57.2 mm (2.3 in)	54 of 100 (Notable)
Salinas Dam	United States	Record daily precipitation	49.3 mm (1.9 in)	53 of 100 (Notable)
Willcox	United States	Record daily precipitation	36.6 mm (1.4 in)	52 of 100 (Notable)
Lake Arrowhead	United States	Record daily precipitation	81.3 mm (3.2 in)	51 of 100 (Notable)
Santa Margarita Boost	United States	Record daily precipitation	55.9 mm (2.2 in)	51 of 100 (Notable)
Covina City Yard Fc387B	United States	Record daily precipitation	46.7 mm (1.8 in)	50 of 100 (Notable)
Mt Wilson Cbs	United States	Record daily precipitation	63.5 mm (2.5 in)	50 of 100 (Notable)
Santa Paula	United States	Record daily precipitation	63.5 mm (2.5 in)	50 of 100 (Notable)
Whittier City Yard Fc106C	United States	Record daily precipitation	42.2 mm (1.7 in)	50 of 100 (Notable)
Casa Grande	United States	Record daily precipitation	40.9 mm (1.6 in)	49 of 100 (Notable)
San Bernardino F S 226	United States	Record daily precipitation	41.1 mm (1.6 in)	49 of 100 (Notable)
Aliso Canyon Oat Mtn F	United States	Record daily precipitation	38.1 mm (1.5 in)	48 of 100 (Notable)
Palos Verdes Es Fc43D	United States	Record daily precipitation	31.0 mm (1.2 in)	48 of 100 (Notable)
Ventura	United States	Record daily precipitation	55.4 mm (2.2 in)	48 of 100 (Notable)
Arivaca	United States	Record daily precipitation	62.7 mm (2.5 in)	47 of 100 (Notable)
Tucson Intl AP	United States	Record daily precipitation	75.2 mm (3.0 in)	47 of 100 (Notable)
Lebec	United States	Record daily precipitation	27.9 mm (1.1 in)	46 of 100 (Notable)
Pattiway	United States	Record daily precipitation	25.1 mm (1.0 in)	46 of 100 (Notable)
Bridgehampton	United States	Record daily precipitation	64.0 mm (2.5 in)	46 of 100 (Notable)
N Lazy H Rch	United States	Record daily precipitation	67.8 mm (2.7 in)	45 of 100 (Notable)
La Crescenta Fc251 C	United States	Record daily precipitation	27.9 mm (1.1 in)	45 of 100 (Notable)
Walnut Ni Fc102C	United States	Record daily precipitation	44.2 mm (1.7 in)	45 of 100 (Notable)
Torrance AP	United States	Record daily precipitation	43.4 mm (1.7 in)	45 of 100 (Notable)
Santa Ana (Dge)	Mexico	Record daily precipitation	32.8 mm (1.3 in)	44 of 100 (Notable)
Santa Ana Fire STN	United States	Record daily precipitation	39.4 mm (1.6 in)	44 of 100 (Notable)
Glenwood	United States	Record daily precipitation	41.1 mm (1.6 in)	44 of 100 (Notable)
Danville 2 SE	United States	Record daily precipitation	85.9 mm (3.4 in)	44 of 100 (Notable)
Anvil Rch	United States	Record daily precipitation	49.5 mm (1.9 in)	43 of 100 (Notable)
Fontana 5 N	United States	Record daily precipitation	69.1 mm (2.7 in)	43 of 100 (Notable)
Lechuza Ptrl St Fc352B	United States	Record daily precipitation	45.2 mm (1.8 in)	43 of 100 (Notable)
Pinnacles Np	United States	Record daily precipitation	35.6 mm (1.4 in)	43 of 100 (Notable)
Hiawatha	United States	Record daily precipitation	32.8 mm (1.3 in)	43 of 100 (Notable)
Passo Tainhas	Brazil	Record daily precipitation	68.7 mm (2.7 in)	42 of 100 (Notable)
Pilvo	Russia	Record daily precipitation	41.6 mm (1.6 in)	42 of 100 (Notable)
Helmet Peak Ruby Star	United States	Record daily precipitation	50.8 mm (2.0 in)	42 of 100 (Notable)
Tucson Magnetic Obsy	United States	Record daily precipitation	58.4 mm (2.3 in)	42 of 100 (Notable)
San Gabriel Canyon Ph	United States	Record daily precipitation	50.8 mm (2.0 in)	42 of 100 (Notable)
U C L A	United States	Record daily precipitation	37.1 mm (1.5 in)	42 of 100 (Notable)
Pacoima Dam Fc33A-E	United States	Record daily precipitation	43.2 mm (1.7 in)	41 of 100 (Notable)
Moncton	Canada	Record high maximum temperature	24.0 C (75.2 F)	40 of 100 (Notable)
Opodepe	Mexico	Record daily precipitation	42.4 mm (1.7 in)	40 of 100 (Notable)
Casa Grande Nm	United States	Record daily precipitation	45.5 mm (1.8 in)	40 of 100 (Notable)
Chatsworth Fc 24 F	United States	Record daily precipitation	28.4 mm (1.1 in)	40 of 100 (Notable)
Oxnard	United States	Record daily precipitation	44.2 mm (1.7 in)	40 of 100 (Notable)

Counts by Type and Timescale

783 records

Records set or tied on 1 October 1983 by type: Highest daily maximum 67, Lowest daily maximum 111, Highest daily minimum 109, Lowest daily minimum 121, Heaviest daily rainfall 372, Heaviest daily snowfall 1, Deepest snow cover 2.

Records on 1 October 1983 by type
Record type	Records
Highest daily maximum	67
Lowest daily maximum	111
Highest daily minimum	109
Lowest daily minimum	121
Heaviest daily rainfall	372
Heaviest daily snowfall	1
Deepest snow cover	2

Records on 1 October 1983 by timescale: all-time 4, monthly 54, daily 725.

How Much Records Were Beaten By

666 broken records

Margins by which the 666 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 95.5. Ties are not counted.

Top 20 by Significance

1 October 1983

Top 20 records on 1 October 1983 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
1 October 1983	Tucson WFO, US	all-time rain	105.7 mm (4.2 in)	32.5 mm (1.3 in)	48 years	83 of 100 (Exceptional)
1 October 1983	Van Nuys Fc15A, US	monthly rain	45.2 mm (1.8 in)	26.1 mm (1.0 in)	55 years	71 of 100 (Major)
1 October 1983	Florence, US	daily rain	50.8 mm (2.0 in)	40.6 mm (1.6 in)	61 years	67 of 100 (Major)
1 October 1983	Oceanside Marina, US	daily rain	31.0 mm (1.2 in)	24.4 mm (1.0 in)	66 years	67 of 100 (Major)
1 October 1983	Riverside Fire STN 3, US	daily rain	34.5 mm (1.4 in)	29.4 mm (1.2 in)	52 years	64 of 100 (Major)
1 October 1983	Lytle Creek Rs, US	daily rain	82.3 mm (3.2 in)	58.7 mm (2.3 in)	61 years	62 of 100 (Major)
1 October 1983	El Toro MCAS, US	monthly rain	31.0 mm (1.2 in)	13.7 mm (0.5 in)	31 years	60 of 100 (Major)
1 October 1983	Wishek, US	daily rain	33.5 mm (1.3 in)	22.1 mm (0.9 in)	76 years	59 of 100 (Notable)
1 October 1983	Fullerton 1 ESE, US	daily rain	49.5 mm (1.9 in)	25.6 mm (1.0 in)	76 years	58 of 100 (Notable)
1 October 1983	Newhall S Fc32Ce, US	monthly rain	48.8 mm (1.9 in)	19.6 mm (0.8 in)	24 years	57 of 100 (Notable)
1 October 1983	Los Prietos Rs, US	monthly rain	122.9 mm (4.8 in)	95.5 mm (3.8 in)	6 years	56 of 100 (Notable)
1 October 1983	Mimbres 4NNW, US	daily rain	38.1 mm (1.5 in)	28.2 mm (1.1 in)	70 years	56 of 100 (Notable)
1 October 1983	Eureka, US	daily rain	37.3 mm (1.5 in)	23.8 mm (0.9 in)	64 years	56 of 100 (Notable)
1 October 1983	Cachuma Lake, US	monthly rain	66.0 mm (2.6 in)	30.2 mm (1.2 in)	6 years	55 of 100 (Notable)
1 October 1983	Juncal Dam, US	monthly rain	115.8 mm (4.6 in)	77.2 mm (3.0 in)	3 years	55 of 100 (Notable)
1 October 1983	Los Alamos, US	daily rain	31.0 mm (1.2 in)	20.1 mm (0.8 in)	66 years	54 of 100 (Notable)
1 October 1983	Pomona/Fairplex, US	daily rain	57.2 mm (2.3 in)	28.2 mm (1.1 in)	61 years	54 of 100 (Notable)
1 October 1983	Salinas Dam, US	daily rain	49.3 mm (1.9 in)	49.3 mm (1.9 in)	34 years	53 of 100 (Notable)
1 October 1983	Willcox, US	daily rain	36.6 mm (1.4 in)	17.5 mm (0.7 in)	70 years	52 of 100 (Notable)
1 October 1983	Lake Arrowhead, US	daily rain	81.3 mm (3.2 in)	59.5 mm (2.3 in)	36 years	51 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

1813 to 1983

Records set or tied on this calendar date in each year from 1813 to 1983. 1983 had 783 records.

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

Records on 10-01 in each year
Year	Records
1813	1
1814	1
1817	1
1819	1
1820	2
1823	1
1828	1
1845	1
1847	2
1861	1
1865	1
1866	1
1869	1
1870	1
1871	1
1874	4
1876	1
1877	3
1879	1
1881	6
1882	1
1883	1
1884	1
1886	1
1888	3
1889	1
1890	4
1891	1
1892	1
1893	9
1894	4
1895	1
1897	7
1898	1
1899	16
1900	2
1901	4
1902	16
1903	9
1904	8
1905	8
1906	11
1907	11
1908	20
1909	14
1910	12
1911	34
1912	37
1913	20
1914	28
1915	65
1916	105
1917	52
1918	20
1919	25
1920	98
1921	129
1922	160
1923	158
1924	86
1925	135
1926	181
1927	754
1928	129
1929	158
1930	106
1931	237
1932	220
1933	519
1934	188
1935	201
1936	388
1937	453
1938	284
1939	283
1940	207
1941	425
1942	290
1943	324
1944	583
1945	677
1946	486
1947	867
1948	271
1949	254
1950	1,019
1951	521
1952	712
1953	656
1954	976
1955	280
1956	260
1957	646
1958	1,050
1959	1,306
1960	143
1961	566
1962	376
1963	598
1964	312
1965	521
1966	646
1967	437
1968	426
1969	454
1970	275
1971	1,449
1972	625
1973	418
1974	1,104
1975	561
1976	854
1977	1,097
1978	492
1979	488
1980	600
1981	785
1982	733
1983	783
1984	1,266
1985	1,621
1986	1,476
1987	648
1988	502
1989	739
1990	612
1991	1,020
1992	1,392
1993	1,042
1994	580
1995	746
1996	1,007
1997	1,080
1998	1,345
1999	1,096
2000	1,006
2001	924
2002	951
2003	1,198
2004	826
2005	902
2006	806
2007	726
2008	573
2009	1,051
2010	1,093
2011	1,324
2012	647
2013	515
2014	397
2015	729
2016	473
2017	472
2018	694
2019	2,439
2020	566
2021	753
2022	609
2023	1,173
2024	751
2025	384
2026	553

Download the Data

Data for records on 1983-10-01: 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).