Weather Records on 17 October 2004

935 weather records were set or tied worldwide on 17 October 2004. Highest significance: Pomona/Fairplex, US.

Key Facts for 17 October 2004

On 17 October 2004, 935 weather records were set or tied at long-record stations worldwide.
397 were record highs and 202 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 30 monthly and 905 daily.
Pomona/Fairplex set a daily record precipitation of 58.4 mm (2.3 in) on 17 October 2004.
Across 162 earlier years (1793 to 2025) the same calendar date averaged 436 records.

Record Map

935 stations

935 station records on 17 October 2004 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 October 2004: highest significance records shown on the map
Station	Country	Type	Value	Significance
Pomona/Fairplex	United States	Record daily precipitation	58.4 mm (2.3 in)	76 of 100 (Major)
Newport	United States	Record daily precipitation	47.0 mm (1.9 in)	67 of 100 (Major)
Malmo	Sweden	Record daily precipitation	28.0 mm (1.1 in)	61 of 100 (Major)
Ventura	United States	Record daily precipitation	67.6 mm (2.7 in)	60 of 100 (Major)
Kalmar_D	Sweden	Record daily precipitation	34.5 mm (1.4 in)	58 of 100 (Notable)
Paso Robles	United States	Record daily precipitation	30.0 mm (1.2 in)	58 of 100 (Notable)
Hano_A	Sweden	Record daily precipitation	31.7 mm (1.2 in)	57 of 100 (Notable)
El Obeid	Sudan	Record daily precipitation	132.1 mm (5.2 in)	55 of 100 (Notable)
Ojai	United States	Record daily precipitation	38.1 mm (1.5 in)	55 of 100 (Notable)
Olands Sodra Udde	Sweden	Record daily precipitation	26.5 mm (1.0 in)	54 of 100 (Notable)
Krokshult_D	Sweden	Record daily precipitation	39.9 mm (1.6 in)	54 of 100 (Notable)
Hammer Odde Fyr-1	Denmark	Record daily precipitation	32.0 mm (1.3 in)	53 of 100 (Notable)
Coloso	Puerto Rico [United States]	Record high minimum temperature	24.4 C (75.9 F)	51 of 100 (Notable)
Tarpon Spgs Sewage Plt	United States	Record low minimum temperature	4.4 C (39.9 F)	50 of 100 (Notable)
Plentywood	United States	Record daily snowfall	6.4 cm (2.5 in)	50 of 100 (Notable)
Washburn	United States	Record daily snowfall	5.1 cm (2.0 in)	49 of 100 (Notable)
Breskens	Netherlands	Record daily precipitation	34.7 mm (1.4 in)	48 of 100 (Notable)
Kristianstad	Sweden	Record daily precipitation	27.0 mm (1.1 in)	48 of 100 (Notable)
Bromolla	Sweden	Record daily precipitation	30.2 mm (1.2 in)	48 of 100 (Notable)
Santa Ana Fire STN	United States	Record daily precipitation	26.4 mm (1.0 in)	47 of 100 (Notable)
Palomar Mtn Obsy	United States	Record daily precipitation	46.0 mm (1.8 in)	46 of 100 (Notable)
Kremlin	United States	Record daily snowfall	5.1 cm (2.0 in)	46 of 100 (Notable)
Hiddensee-Vitte	Germany	Record daily precipitation	30.7 mm (1.2 in)	45 of 100 (Notable)
Ocampo	Mexico	Record daily precipitation	35.8 mm (1.4 in)	45 of 100 (Notable)
Tosteberga	Sweden	Record daily precipitation	27.8 mm (1.1 in)	44 of 100 (Notable)
La Crescenta Fc251 C	United States	Record daily precipitation	26.4 mm (1.0 in)	44 of 100 (Notable)
Karlshamn	Sweden	Record daily precipitation	30.4 mm (1.2 in)	42 of 100 (Notable)
Mjuamala	Sweden	Record daily precipitation	32.7 mm (1.3 in)	42 of 100 (Notable)
Snowflake	United States	Record high minimum temperature	12.2 C (54.0 F)	42 of 100 (Notable)
Sunburst 8 E	United States	Record daily snowfall	7.6 cm (3.0 in)	42 of 100 (Notable)
Canisteo 1 SW	United States	Record daily precipitation	50.8 mm (2.0 in)	42 of 100 (Notable)
Shawano 2SSW	United States	Record low maximum temperature	4.4 C (39.9 F)	42 of 100 (Notable)
Zakatala	Azerbaijan	Record daily precipitation	99.3 mm (3.9 in)	41 of 100 (Notable)
Arkona	Germany	Record daily precipitation	33.3 mm (1.3 in)	41 of 100 (Notable)
San Gabriel Fire Dept	United States	Record daily precipitation	28.7 mm (1.1 in)	41 of 100 (Notable)
Vista	United States	Record daily precipitation	39.4 mm (1.6 in)	41 of 100 (Notable)
Hutchinson 1 N	United States	Record low maximum temperature	3.9 C (39.0 F)	41 of 100 (Notable)
Heber	United States	Record high minimum temperature	10.6 C (51.1 F)	41 of 100 (Notable)
Norra_Mockleby	Sweden	Record daily precipitation	30.3 mm (1.2 in)	40 of 100 (Notable)
Antioch	United States	Record low maximum temperature	6.7 C (44.1 F)	40 of 100 (Notable)
Georgetown Post Office	Australia	Record high maximum temperature	39.5 C (103.1 F)	39 of 100 (Notable)
Tequisistlan	Mexico	Record daily precipitation	57.7 mm (2.3 in)	39 of 100 (Notable)
Julian Cdf	United States	Record daily precipitation	25.9 mm (1.0 in)	39 of 100 (Notable)
Halliday	United States	Record daily snowfall	7.6 cm (3.0 in)	39 of 100 (Notable)
Ellensburg	United States	Record high minimum temperature	9.4 C (48.9 F)	39 of 100 (Notable)
Munising	United States	Record daily precipitation	50.8 mm (2.0 in)	38 of 100 (Notable)
Mauston 1 SE	United States	Record low maximum temperature	6.1 C (43.0 F)	38 of 100 (Notable)
Solvesborg	Sweden	Record daily precipitation	32.0 mm (1.3 in)	37 of 100 (Notable)
Iowa Hill	United States	Record daily precipitation	76.7 mm (3.0 in)	37 of 100 (Notable)
Alamogordo	United States	Record high minimum temperature	16.7 C (62.1 F)	37 of 100 (Notable)
Stanley Wwtp	United States	Record low maximum temperature	3.9 C (39.0 F)	37 of 100 (Notable)
Toledo FAA AP	United States	Record daily precipitation	31.5 mm (1.2 in)	37 of 100 (Notable)
San Juan del Rio	Mexico	Record high minimum temperature	20.0 C (68.0 F)	34 of 100 (Routine)
Komstorp	Sweden	Record daily precipitation	30.4 mm (1.2 in)	34 of 100 (Routine)
Sandbackshult	Sweden	Record daily precipitation	42.4 mm (1.7 in)	34 of 100 (Routine)
Oskarshamn	Sweden	Record daily precipitation	33.3 mm (1.3 in)	34 of 100 (Routine)
Santa Paula	United States	Record daily precipitation	29.7 mm (1.2 in)	34 of 100 (Routine)
Arco	United States	Record high minimum temperature	5.0 C (41.0 F)	34 of 100 (Routine)
Bergland Dam	United States	Record low maximum temperature	0.6 C (33.1 F)	34 of 100 (Routine)
Goldendale	United States	Record high minimum temperature	10.6 C (51.1 F)	34 of 100 (Routine)

Counts by Type and Timescale

935 records

Records set or tied on 17 October 2004 by type: Highest daily maximum 165, Lowest daily maximum 158, Highest daily minimum 232, Lowest daily minimum 44, Heaviest daily rainfall 295, Heaviest daily snowfall 26, Deepest snow cover 15.

Records on 17 October 2004 by type
Record type	Records
Highest daily maximum	165
Lowest daily maximum	158
Highest daily minimum	232
Lowest daily minimum	44
Heaviest daily rainfall	295
Heaviest daily snowfall	26
Deepest snow cover	15

Records on 17 October 2004 by timescale: all-time 0, monthly 30, daily 905.

How Much Records Were Beaten By

680 broken records

Margins by which the 680 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.0. Ties are not counted.

Top 20 by Significance

17 October 2004

Top 20 records on 17 October 2004 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 October 2004	Pomona/Fairplex, US	daily rain	58.4 mm (2.3 in)	40.9 mm (1.6 in)	96 years	76 of 100 (Major)
17 October 2004	Newport, US	daily rain	47.0 mm (1.9 in)	22.6 mm (0.9 in)	76 years	67 of 100 (Major)
17 October 2004	Malmo, SE	daily rain	28.0 mm (1.1 in)	16.2 mm (0.6 in)	68 years	61 of 100 (Major)
17 October 2004	Ventura, US	monthly rain	67.6 mm (2.7 in)	11.0 mm (0.4 in)	102 years	60 of 100 (Major)
17 October 2004	Kalmar_D, SE	daily rain	34.5 mm (1.4 in)	15.0 mm (0.6 in)	44 years	58 of 100 (Notable)
17 October 2004	Paso Robles, US	daily rain	30.0 mm (1.2 in)	19.1 mm (0.8 in)	70 years	58 of 100 (Notable)
17 October 2004	Hano_A, SE	monthly rain	31.7 mm (1.2 in)	3.2 mm (0.13 in)	104 years	57 of 100 (Notable)
17 October 2004	El Obeid, SD	monthly rain	132.1 mm (5.2 in)	68.1 mm (2.7 in)	6 years	55 of 100 (Notable)
17 October 2004	Ojai, US	daily rain	38.1 mm (1.5 in)	26.2 mm (1.0 in)	68 years	55 of 100 (Notable)
17 October 2004	Olands Sodra Udde, SE	daily rain	26.5 mm (1.0 in)	13.8 mm (0.5 in)	44 years	54 of 100 (Notable)
17 October 2004	Krokshult_D, SE	daily rain	39.9 mm (1.6 in)	22.4 mm (0.9 in)	37 years	54 of 100 (Notable)
17 October 2004	Hammer Odde Fyr-1, DK	daily rain	32.0 mm (1.3 in)	24.3 mm (1.0 in)	31 years	53 of 100 (Notable)
17 October 2004	Coloso, PR	daily high min	24.4 C (75.9 F)	1.6 C (2.9 F)	104 years	51 of 100 (Notable)
17 October 2004	Tarpon Spgs Sewage Plt, US	daily low min	4.4 C (39.9 F)	4.5 C (8.1 F)	95 years	50 of 100 (Notable)
17 October 2004	Plentywood, US	daily snowfall	6.4 cm (2.5 in)	6.4 cm (2.5 in)	98 years	50 of 100 (Notable)
17 October 2004	Washburn, US	daily snowfall	5.1 cm (2.0 in)	5.1 cm (2.0 in)	110 years	49 of 100 (Notable)
17 October 2004	Breskens, NL	daily rain	34.7 mm (1.4 in)	26.5 mm (1.0 in)	23 years	48 of 100 (Notable)
17 October 2004	Kristianstad, SE	daily rain	27.0 mm (1.1 in)	8.0 mm (0.31 in)	70 years	48 of 100 (Notable)
17 October 2004	Bromolla, SE	daily rain	30.2 mm (1.2 in)	17.3 mm (0.7 in)	37 years	48 of 100 (Notable)
17 October 2004	Santa Ana Fire STN, US	daily rain	26.4 mm (1.0 in)	7.6 mm (0.30 in)	97 years	47 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 2004

Records set or tied on this calendar date in each year from 1793 to 2004. 2004 had 935 records.

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

Records on 10-17 in each year
Year	Records
1793	1
1796	2
1808	2
1810	1
1811	1
1817	1
1820	1
1830	1
1836	1
1844	1
1845	1
1868	1
1869	2
1870	1
1872	1
1874	1
1875	1
1876	3
1877	1
1878	1
1879	7
1881	1
1882	1
1883	1
1884	2
1885	2
1886	1
1889	1
1890	3
1891	2
1892	6
1893	5
1894	2
1895	1
1897	3
1898	6
1899	3
1900	3
1901	3
1902	4
1903	9
1904	17
1905	12
1906	3
1907	16
1908	46
1909	18
1910	13
1911	24
1912	12
1913	26
1914	72
1915	7
1916	81
1917	29
1918	20
1919	34
1920	82
1921	64
1922	60
1923	149
1924	81
1925	324
1926	153
1927	163
1928	530
1929	119
1930	441
1931	431
1932	345
1933	190
1934	262
1935	337
1936	338
1937	865
1938	710
1939	424
1940	580
1941	194
1942	349
1943	1,173
1944	415
1945	289
1946	437
1947	744
1948	724
1949	442
1950	809
1951	274
1952	474
1953	463
1954	579
1955	562
1956	353
1957	245
1958	415
1959	403
1960	432
1961	525
1962	350
1963	513
1964	492
1965	920
1966	551
1967	576
1968	929
1969	714
1970	815
1971	1,053
1972	866
1973	542
1974	1,055
1975	605
1976	1,381
1977	1,060
1978	583
1979	468
1980	1,366
1981	555
1982	575
1983	526
1984	1,551
1985	585
1986	354
1987	828
1988	827
1989	1,163
1990	1,109
1991	1,352
1992	1,384
1993	1,001
1994	1,306
1995	1,076
1996	987
1997	1,114
1998	1,455
1999	815
2000	461
2001	878
2002	992
2003	764
2004	935
2005	643
2006	1,506
2007	690
2008	467
2009	1,606
2010	625
2011	734
2012	550
2013	516
2014	530
2015	843
2016	1,559
2017	743
2018	1,163
2019	504
2020	889
2021	294
2022	964
2023	544
2024	994
2025	363

Download the Data

Data for records on 2004-10-17: 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 10	571
10 to 20	62
20 to 30	27
30 to 40	7
40 to 50	2
50 to 60	7
60 to 70	2
70 to 80	2