Weather Records on 31 July 2005

742 weather records were set or tied worldwide on 31 July 2005. Highest significance: Moroni, US.

Key Facts for 31 July 2005

On 31 July 2005, 742 weather records were set or tied at long-record stations worldwide.
423 were record highs and 196 were record lows, counting maximum and minimum temperature.
By timescale, 4 were all-time records, 20 monthly and 718 daily.
Moroni set a daily record precipitation of 29.7 mm (1.2 in) on 31 July 2005.
Across 155 earlier years (1804 to 2026) the same calendar date averaged 469 records.

Record Map

742 stations

742 station records on 31 July 2005 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 July 2005: highest significance records shown on the map
Station	Country	Type	Value	Significance
Moroni	United States	Record daily precipitation	29.7 mm (1.2 in)	74 of 100 (Major)
Shadrinsk	Russia	Record daily precipitation	45.6 mm (1.8 in)	57 of 100 (Notable)
Columbia UNIV of Sc	United States	Record daily precipitation	122.7 mm (4.8 in)	57 of 100 (Notable)
Chapala	Mexico	Record high minimum temperature	24.4 C (75.9 F)	52 of 100 (Notable)
Meridian Naas	United States	Record daily precipitation	137.2 mm (5.4 in)	52 of 100 (Notable)
Isabela Substn	Puerto Rico [United States]	Record high minimum temperature	25.6 C (78.1 F)	50 of 100 (Notable)
Plevna Downs	Australia	Record daily precipitation	27.0 mm (1.1 in)	49 of 100 (Notable)
Middleburg	United States	Record daily precipitation	44.5 mm (1.8 in)	49 of 100 (Notable)
Sandersville	United States	Record daily precipitation	72.1 mm (2.8 in)	49 of 100 (Notable)
Aluksne	Latvia	Record daily precipitation	39.9 mm (1.6 in)	48 of 100 (Notable)
Isabela Substn	Puerto Rico [United States]	Record daily precipitation	54.9 mm (2.2 in)	46 of 100 (Notable)
Boerne	United States	Record daily precipitation	34.5 mm (1.4 in)	46 of 100 (Notable)
St Joseph 3 N	United States	Record low minimum temperature	15.6 C (60.1 F)	45 of 100 (Notable)
Los Reyes	Mexico	Record low minimum temperature	5.0 C (41.0 F)	44 of 100 (Notable)
Bjelasnica	Bosnia and Herzegovina	Record high minimum temperature	16.6 C (61.9 F)	42 of 100 (Notable)
Poprad/Tatry	Slovakia	Record daily precipitation	47.4 mm (1.9 in)	42 of 100 (Notable)
Bjelasnica	Bosnia and Herzegovina	Record high maximum temperature	21.5 C (70.7 F)	41 of 100 (Notable)
Port Sudan	Sudan	Record daily precipitation	70.1 mm (2.8 in)	41 of 100 (Notable)
East London	South Africa	Record daily precipitation	45.2 mm (1.8 in)	40 of 100 (Notable)
Manston	United Kingdom	Record daily precipitation	27.2 mm (1.1 in)	40 of 100 (Notable)
Gann Valley 4NW	United States	Record high minimum temperature	27.8 C (82.0 F)	39 of 100 (Notable)
Louisburg	United States	Record low minimum temperature	11.1 C (52.0 F)	38 of 100 (Notable)
Nadym	Russia	Record daily precipitation	38.5 mm (1.5 in)	37 of 100 (Notable)
Porthill	United States	Record low minimum temperature	3.9 C (39.0 F)	37 of 100 (Notable)
Thermopolis	United States	Record high minimum temperature	19.4 C (66.9 F)	37 of 100 (Notable)
Cape Leeuwin	Australia	Record high minimum temperature	14.9 C (58.8 F)	36 of 100 (Notable)
Youngtown	United States	Record daily precipitation	27.9 mm (1.1 in)	36 of 100 (Notable)
Turinsk	Russia	Record daily precipitation	42.4 mm (1.7 in)	35 of 100 (Notable)
Valdez WSO	United States	Record low maximum temperature	10.6 C (51.1 F)	35 of 100 (Notable)
Buenavista	Mexico	Record high minimum temperature	22.2 C (72.0 F)	34 of 100 (Routine)
Cuetzalan del Progreso	Mexico	Record low minimum temperature	13.9 C (57.0 F)	34 of 100 (Routine)
Dzalinda-1	Russia	Record daily precipitation	34.4 mm (1.4 in)	34 of 100 (Routine)
Matanuska Exp Farm	United States	Record daily precipitation	38.1 mm (1.5 in)	34 of 100 (Routine)
Abag Qi	China	Record daily precipitation	32.7 mm (1.3 in)	33 of 100 (Routine)
Tilzapotla	Mexico	Record low maximum temperature	25.0 C (77.0 F)	33 of 100 (Routine)
Oktyabr Skoye	Russia	Record high minimum temperature	21.1 C (70.0 F)	33 of 100 (Routine)
Flagstaff AP	United States	Record daily precipitation	29.0 mm (1.1 in)	33 of 100 (Routine)
Dongfang	China	Record daily precipitation	101.2 mm (4.0 in)	32 of 100 (Routine)
Aguirre	Puerto Rico [United States]	Record daily precipitation	42.2 mm (1.7 in)	32 of 100 (Routine)
Brewton 3 SSE	United States	Record high minimum temperature	24.4 C (75.9 F)	32 of 100 (Routine)
Oxthoc	Mexico	Record high maximum temperature	28.9 C (84.0 F)	31 of 100 (Routine)
Tacambaro	Mexico	Record high minimum temperature	16.7 C (62.1 F)	31 of 100 (Routine)
Nogales 6 N	United States	Record daily precipitation	28.2 mm (1.1 in)	31 of 100 (Routine)
Cheesman	United States	Record high maximum temperature	34.4 C (93.9 F)	31 of 100 (Routine)
Ikerasassuaq	Greenland [Denmark]	Record daily precipitation	65.5 mm (2.6 in)	30 of 100 (Routine)
Kiev	Ukraine	Record high maximum temperature	34.7 C (94.5 F)	30 of 100 (Routine)
Palisade	United States	Record high minimum temperature	23.3 C (73.9 F)	30 of 100 (Routine)
Collins	United States	Record daily precipitation	52.8 mm (2.1 in)	30 of 100 (Routine)
Bingham 2 NE	United States	Record high minimum temperature	23.3 C (73.9 F)	30 of 100 (Routine)
Moscow	United States	Record high minimum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Matanuska Exp Farm	United States	Record low maximum temperature	11.7 C (53.1 F)	30 of 100 (Routine)
Agedabia	Libya	Record high minimum temperature	24.0 C (75.2 F)	29 of 100 (Routine)
Ceahlau Toaca	Romania	Record high minimum temperature	16.0 C (60.8 F)	29 of 100 (Routine)
Kitt Peak	United States	Record low minimum temperature	8.3 C (46.9 F)	29 of 100 (Routine)
Trempealeau Dam 6	United States	Record high minimum temperature	23.3 C (73.9 F)	29 of 100 (Routine)
Noumerat	Algeria	Record high minimum temperature	35.0 C (95.0 F)	28 of 100 (Routine)
Palo Verde	Mexico	Record low maximum temperature	17.8 C (64.0 F)	28 of 100 (Routine)
San Juan Tepeuxila	Mexico	Record low minimum temperature	8.9 C (48.0 F)	28 of 100 (Routine)
Balcon Diablo	Mexico	Record low minimum temperature	6.7 C (44.1 F)	28 of 100 (Routine)
Saran-Paul	Russia	Record high minimum temperature	17.5 C (63.5 F)	28 of 100 (Routine)

Counts by Type and Timescale

742 records

Records set or tied on 31 July 2005 by type: Highest daily maximum 207, Lowest daily maximum 59, Highest daily minimum 216, Lowest daily minimum 137, Heaviest daily rainfall 123.

Records on 31 July 2005 by type
Record type	Records
Highest daily maximum	207
Lowest daily maximum	59
Highest daily minimum	216
Lowest daily minimum	137
Heaviest daily rainfall	123
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 July 2005 by timescale: all-time 4, monthly 20, daily 718.

How Much Records Were Beaten By

522 broken records

Margins by which the 522 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 70.1. Ties are not counted.

Top 20 by Significance

31 July 2005

Top 20 records on 31 July 2005 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 July 2005	Moroni, US	daily rain	29.7 mm (1.2 in)	18.0 mm (0.7 in)	92 years	74 of 100 (Major)
31 July 2005	Shadrinsk, RU	daily rain	45.6 mm (1.8 in)	26.0 mm (1.0 in)	56 years	57 of 100 (Notable)
31 July 2005	Columbia UNIV of Sc, US	daily rain	122.7 mm (4.8 in)	49.3 mm (1.9 in)	60 years	57 of 100 (Notable)
31 July 2005	Chapala, MX	daily high min	24.4 C (75.9 F)	5.5 C (9.9 F)	26 years	52 of 100 (Notable)
31 July 2005	Meridian Naas, US	monthly rain	137.2 mm (5.4 in)	39.4 mm (1.6 in)	36 years	52 of 100 (Notable)
31 July 2005	Isabela Substn, PR	daily high min	25.6 C (78.1 F)	1.7 C (3.1 F)	96 years	50 of 100 (Notable)
31 July 2005	Plevna Downs, AU	daily rain	27.0 mm (1.1 in)	27.0 mm (1.1 in)	67 years	49 of 100 (Notable)
31 July 2005	Middleburg, US	daily rain	44.5 mm (1.8 in)	26.0 mm (1.0 in)	82 years	49 of 100 (Notable)
31 July 2005	Sandersville, US	daily rain	72.1 mm (2.8 in)	50.0 mm (2.0 in)	8 years	49 of 100 (Notable)
31 July 2005	Aluksne, LV	daily rain	39.9 mm (1.6 in)	28.0 mm (1.1 in)	32 years	48 of 100 (Notable)
31 July 2005	Isabela Substn, PR	daily rain	54.9 mm (2.2 in)	23.1 mm (0.9 in)	64 years	46 of 100 (Notable)
31 July 2005	Boerne, US	daily rain	34.5 mm (1.4 in)	14.2 mm (0.6 in)	104 years	46 of 100 (Notable)
31 July 2005	St Joseph 3 N, US	daily low min	15.6 C (60.1 F)	1.6 C (2.9 F)	91 years	45 of 100 (Notable)
31 July 2005	Los Reyes, MX	daily low min	5.0 C (41.0 F)	3.9 C (7.0 F)	42 years	44 of 100 (Notable)
31 July 2005	Bjelasnica, BA	daily high min	16.6 C (61.9 F)	0.8 C (1.4 F)	104 years	42 of 100 (Notable)
31 July 2005	Poprad/Tatry, SK	daily rain	47.4 mm (1.9 in)	26.6 mm (1.0 in)	16 years	42 of 100 (Notable)
31 July 2005	Bjelasnica, BA	daily high max	21.5 C (70.7 F)	0.6 C (1.1 F)	104 years	41 of 100 (Notable)
31 July 2005	Port Sudan, SD	daily rain	70.1 mm (2.8 in)	70.1 mm (2.8 in)	48 years	41 of 100 (Notable)
31 July 2005	East London, ZA	daily rain	45.2 mm (1.8 in)	28.2 mm (1.1 in)	64 years	40 of 100 (Notable)
31 July 2005	Manston, GB	daily rain	27.2 mm (1.1 in)	17.6 mm (0.7 in)	24 years	40 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 2005

Records set or tied on this calendar date in each year from 1804 to 2005. 2005 had 742 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 2005-07-31: 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 2026-10-17 (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	484
10 to 20	22
20 to 30	10
30 to 40	2
40 to 50	1
50 to 60	1
60 to 70	1
70 to 80	1