Weather Records on 31 July 2004

779 weather records were set or tied worldwide on 31 July 2004. Highest significance: Sulkava Kaipola, FI.

Key Facts for 31 July 2004

On 31 July 2004, 779 weather records were set or tied at long-record stations worldwide.
351 were record highs and 251 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 30 monthly and 743 daily.
Sulkava Kaipola set an all-time record daily precipitation of 76.0 mm (3.0 in) on 31 July 2004.
Across 155 earlier years (1804 to 2026) the same calendar date averaged 469 records.

Record Map

779 stations

779 station records on 31 July 2004 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 July 2004: highest significance records shown on the map
Station	Country	Type	Value	Significance
Sulkava Kaipola	Finland	Record daily precipitation	76.0 mm (3.0 in)	74 of 100 (Major)
Corinth 5 WSW	United States	Record daily precipitation	85.9 mm (3.4 in)	64 of 100 (Major)
Westerville	United States	Record daily precipitation	81.0 mm (3.2 in)	58 of 100 (Notable)
Ohotsk	Russia	Record daily precipitation	76.8 mm (3.0 in)	57 of 100 (Notable)
Corning	United States	Record daily precipitation	117.6 mm (4.6 in)	54 of 100 (Notable)
Liubashivka	Ukraine	Record daily precipitation	53.1 mm (2.1 in)	52 of 100 (Notable)
Savannah 6 SW	United States	Record daily precipitation	100.8 mm (4.0 in)	51 of 100 (Notable)
Sulkava Halttula	Finland	Record daily precipitation	59.5 mm (2.3 in)	50 of 100 (Notable)
Lexington Bluegrass AP	United States	Record daily precipitation	80.5 mm (3.2 in)	50 of 100 (Notable)
Savonlinna Laukansaari	Finland	Record daily precipitation	57.7 mm (2.3 in)	48 of 100 (Notable)
Franklin	United States	Record daily precipitation	53.8 mm (2.1 in)	48 of 100 (Notable)
Chilo Meldahl Locks & Dam	United States	Record daily precipitation	58.9 mm (2.3 in)	48 of 100 (Notable)
Aguirre	Puerto Rico [United States]	Record low maximum temperature	27.2 C (81.0 F)	47 of 100 (Notable)
Mora	United States	Record low maximum temperature	17.8 C (64.0 F)	47 of 100 (Notable)
Lawrenceville 3 SW	United States	Record daily precipitation	55.9 mm (2.2 in)	47 of 100 (Notable)
Quitman 2 NW	United States	Record high minimum temperature	25.0 C (77.0 F)	46 of 100 (Notable)
Sewanee	United States	Record low minimum temperature	14.4 C (57.9 F)	46 of 100 (Notable)
La Presumida	Mexico	Record daily precipitation	84.8 mm (3.3 in)	45 of 100 (Notable)
Botosani	Romania	Record daily precipitation	56.2 mm (2.2 in)	45 of 100 (Notable)
Henichesk	Ukraine	Record high minimum temperature	26.2 C (79.2 F)	44 of 100 (Notable)
Vevay	United States	Record daily precipitation	52.6 mm (2.1 in)	44 of 100 (Notable)
Rosepine Rsch STN	United States	Record high minimum temperature	25.0 C (77.0 F)	44 of 100 (Notable)
St Charles Elm Pt	United States	Record low maximum temperature	20.0 C (68.0 F)	44 of 100 (Notable)
Edmore 4NW	United States	Record low maximum temperature	18.9 C (66.0 F)	44 of 100 (Notable)
Cheviot	United States	Record daily precipitation	66.0 mm (2.6 in)	44 of 100 (Notable)
Portland Sewage Plt	United States	Record daily precipitation	86.4 mm (3.4 in)	44 of 100 (Notable)
Shionomisaki	Japan	Record daily precipitation	132.6 mm (5.2 in)	43 of 100 (Notable)
Gouverneur 3 NW	United States	Record daily precipitation	38.6 mm (1.5 in)	43 of 100 (Notable)
Quanah 2 SW	United States	Record low maximum temperature	22.2 C (72.0 F)	43 of 100 (Notable)
Little Falls 2NNE	United States	Record low minimum temperature	1.1 C (34.0 F)	42 of 100 (Notable)
Nanchong	China	Record daily precipitation	126.8 mm (5.0 in)	41 of 100 (Notable)
Chanthaburi	Thailand	Record daily precipitation	121.2 mm (4.8 in)	41 of 100 (Notable)
Hondo	United States	Record low maximum temperature	28.9 C (84.0 F)	41 of 100 (Notable)
Rantasalmi Tuusmaki	Finland	Record daily precipitation	67.6 mm (2.7 in)	40 of 100 (Notable)
Iasi	Romania	Record daily precipitation	39.6 mm (1.6 in)	40 of 100 (Notable)
Springfield Exp STN	United States	Record daily precipitation	48.0 mm (1.9 in)	40 of 100 (Notable)
Porvoo Jernbole	Finland	Record daily precipitation	37.3 mm (1.5 in)	39 of 100 (Notable)
Red Lake Falls	United States	Record low maximum temperature	18.9 C (66.0 F)	39 of 100 (Notable)
Warroad	United States	Record low maximum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Jackson	United States	Record daily precipitation	59.7 mm (2.4 in)	39 of 100 (Notable)
Biser	Russia	Record high minimum temperature	16.4 C (61.5 F)	38 of 100 (Notable)
Santa Rita Tlahuapan	Mexico	Record daily precipitation	34.8 mm (1.4 in)	37 of 100 (Notable)
Xochitlan Todos Santos	Mexico	Record high minimum temperature	17.8 C (64.0 F)	37 of 100 (Notable)
Capitan Emilio Carranza	Mexico	Record daily precipitation	82.3 mm (3.2 in)	37 of 100 (Notable)
Hanover	United States	Record high minimum temperature	22.2 C (72.0 F)	37 of 100 (Notable)
Dzan	Mexico	Record low maximum temperature	25.0 C (77.0 F)	36 of 100 (Notable)
Uega	Russia	Record daily precipitation	36.4 mm (1.4 in)	36 of 100 (Notable)
New Castle 3 SW	United States	Record daily precipitation	40.1 mm (1.6 in)	36 of 100 (Notable)
Wanakena Rngr School	United States	Record high minimum temperature	21.7 C (71.1 F)	36 of 100 (Notable)
Lafayette	United States	Record daily precipitation	66.0 mm (2.6 in)	36 of 100 (Notable)
Owase	Japan	Record daily precipitation	226.6 mm (8.9 in)	35 of 100 (Notable)
El Burrero	Mexico	Record low maximum temperature	15.6 C (60.1 F)	35 of 100 (Notable)
Madison Sewage Plt	United States	Record daily precipitation	57.2 mm (2.3 in)	35 of 100 (Notable)
Scottsville	United States	Record daily precipitation	74.7 mm (2.9 in)	35 of 100 (Notable)
Frostburg 2	United States	Record daily precipitation	64.5 mm (2.5 in)	35 of 100 (Notable)
Eldon	United States	Record low maximum temperature	22.8 C (73.0 F)	35 of 100 (Notable)
Kings Mills	United States	Record daily precipitation	68.1 mm (2.7 in)	35 of 100 (Notable)
Van Wert 1 S	United States	Record daily precipitation	50.8 mm (2.0 in)	35 of 100 (Notable)
Granger	United States	Record daily precipitation	59.2 mm (2.3 in)	35 of 100 (Notable)
Santiago Bayacora	Mexico	Record daily precipitation	36.8 mm (1.4 in)	34 of 100 (Routine)

Counts by Type and Timescale

779 records

Records set or tied on 31 July 2004 by type: Highest daily maximum 114, Lowest daily maximum 141, Highest daily minimum 237, Lowest daily minimum 110, Heaviest daily rainfall 177.

Records on 31 July 2004 by type
Record type	Records
Highest daily maximum	114
Lowest daily maximum	141
Highest daily minimum	237
Lowest daily minimum	110
Heaviest daily rainfall	177
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 July 2004 by timescale: all-time 6, monthly 30, daily 743.

How Much Records Were Beaten By

508 broken records

Margins by which the 508 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 112.6. Ties are not counted.

Top 20 by Significance

31 July 2004

Top 20 records on 31 July 2004 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 July 2004	Sulkava Kaipola, FI	all-time rain	76.0 mm (3.0 in)	23.8 mm (0.9 in)	38 years	74 of 100 (Major)
31 July 2004	Corinth 5 WSW, US	daily rain	85.9 mm (3.4 in)	52.9 mm (2.1 in)	63 years	64 of 100 (Major)
31 July 2004	Westerville, US	daily rain	81.0 mm (3.2 in)	65.8 mm (2.6 in)	46 years	58 of 100 (Notable)
31 July 2004	Ohotsk, RU	daily rain	76.8 mm (3.0 in)	58.3 mm (2.3 in)	26 years	57 of 100 (Notable)
31 July 2004	Corning, US	monthly rain	117.6 mm (4.6 in)	7.6 mm (0.30 in)	104 years	54 of 100 (Notable)
31 July 2004	Liubashivka, UA	daily rain	53.1 mm (2.1 in)	43.6 mm (1.7 in)	26 years	52 of 100 (Notable)
31 July 2004	Savannah 6 SW, US	daily rain	100.8 mm (4.0 in)	55.6 mm (2.2 in)	8 years	51 of 100 (Notable)
31 July 2004	Sulkava Halttula, FI	monthly rain	59.5 mm (2.3 in)	21.7 mm (0.9 in)	6 years	50 of 100 (Notable)
31 July 2004	Lexington Bluegrass AP, US	daily rain	80.5 mm (3.2 in)	51.3 mm (2.0 in)	12 years	50 of 100 (Notable)
31 July 2004	Savonlinna Laukansaari, FI	all-time rain	57.7 mm (2.3 in)	9.2 mm (0.36 in)	35 years	48 of 100 (Notable)
31 July 2004	Franklin, US	daily rain	53.8 mm (2.1 in)	13.2 mm (0.5 in)	101 years	48 of 100 (Notable)
31 July 2004	Chilo Meldahl Locks & Dam, US	daily rain	58.9 mm (2.3 in)	23.3 mm (0.9 in)	78 years	48 of 100 (Notable)
31 July 2004	Aguirre, PR	daily low max	27.2 C (81.0 F)	3.4 C (6.1 F)	28 years	47 of 100 (Notable)
31 July 2004	Mora, US	daily low max	17.8 C (64.0 F)	3.3 C (5.9 F)	99 years	47 of 100 (Notable)
31 July 2004	Lawrenceville 3 SW, US	daily rain	55.9 mm (2.2 in)	33.0 mm (1.3 in)	22 years	47 of 100 (Notable)
31 July 2004	Quitman 2 NW, US	daily high min	25.0 C (77.0 F)	1.1 C (2.0 F)	99 years	46 of 100 (Notable)
31 July 2004	Sewanee, US	daily low min	14.4 C (57.9 F)	1.7 C (3.1 F)	97 years	46 of 100 (Notable)
31 July 2004	La Presumida, MX	daily rain	84.8 mm (3.3 in)	53.3 mm (2.1 in)	16 years	45 of 100 (Notable)
31 July 2004	Botosani, RO	daily rain	56.2 mm (2.2 in)	43.4 mm (1.7 in)	7 years	45 of 100 (Notable)
31 July 2004	Henichesk, UA	daily high min	26.2 C (79.2 F)	1.3 C (2.3 F)	110 years	44 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

1804 to 2004

Records set or tied on this calendar date in each year from 1804 to 2004. 2004 had 779 records.

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

Records on 07-31 in each year
Year	Records
1804	1
1815	1
1816	1
1828	1
1834	1
1839	1
1840	1
1841	2
1851	1
1858	2
1860	4
1863	1
1866	1
1873	2
1876	1
1879	1
1884	1
1885	1
1886	1
1887	5
1889	2
1890	2
1891	1
1892	1
1893	3
1894	2
1896	2
1897	2
1898	5
1900	1
1901	3
1902	4
1903	16
1904	12
1905	10
1906	14
1907	17
1908	22
1909	15
1910	21
1911	29
1912	14
1913	31
1914	28
1915	71
1916	63
1917	126
1918	39
1919	27
1920	168
1921	112
1922	24
1923	236
1924	97
1925	349
1926	226
1927	161
1928	145
1929	134
1930	143
1931	441
1932	314
1933	504
1934	449
1935	418
1936	548
1937	297
1938	417
1939	357
1940	415
1941	323
1942	342
1943	342
1944	312
1945	499
1946	426
1947	341
1948	341
1949	406
1950	511
1951	364
1952	472
1953	414
1954	459
1955	813
1956	574
1957	268
1958	374
1959	424
1960	622
1961	504
1962	348
1963	294
1964	637
1965	858
1966	606
1967	326
1968	637
1969	440
1970	576
1971	1,850
1972	667
1973	583
1974	363
1975	1,386
1976	530
1977	543
1978	754
1979	501
1980	1,047
1981	672
1982	767
1983	901
1984	777
1985	1,065
1986	1,021
1987	934
1988	940
1989	1,753
1990	911
1991	647
1992	1,169
1993	1,031
1994	1,207
1995	1,223
1996	1,084
1997	984
1998	1,195
1999	1,643
2000	1,001
2001	1,414
2002	1,080
2003	1,157
2004	779
2005	742
2006	1,405
2007	1,023
2008	911
2009	1,156
2010	1,485
2011	1,040
2012	712
2013	469
2014	1,000
2015	948
2016	501
2017	485
2018	1,135
2019	551
2020	1,034
2021	1,020
2022	861
2023	671
2024	748
2025	836
2026	754

Download the Data

Data for records on 2004-07-31: 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 2026-10-16 (16 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	468
20 to 40	23
40 to 60	12
60 to 80	3
80 to 100	0
100 to 120	2