Weather Records on 5 August 2017

888 weather records were set or tied worldwide on 5 August 2017. Highest significance: Nora_D, SE.

Key Facts for 5 August 2017

On 5 August 2017, 888 weather records were set or tied at long-record stations worldwide.
450 were record highs and 260 were record lows, counting maximum and minimum temperature.
By timescale, 27 were all-time records, 34 monthly and 827 daily.
Nora_D set a daily record precipitation of 28.9 mm (1.1 in) on 5 August 2017.
Across 164 earlier years (1797 to 2026) the same calendar date averaged 441 records.

Record Map

888 stations

888 station records on 5 August 2017 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 5 August 2017: highest significance records shown on the map
Station	Country	Type	Value	Significance
Nora_D	Sweden	Record daily precipitation	28.9 mm (1.1 in)	66 of 100 (Major)
Summit	United States	Record daily precipitation	42.7 mm (1.7 in)	58 of 100 (Notable)
Naze	Japan	Record daily precipitation	399.5 mm (15.7 in)	54 of 100 (Notable)
Olathe Johnson Co Ind AP	United States	Record daily precipitation	66.5 mm (2.6 in)	52 of 100 (Notable)
Tellico Plains	United States	Record low minimum temperature	11.7 C (53.1 F)	51 of 100 (Notable)
Ladysmith 3W	United States	Record low maximum temperature	14.4 C (57.9 F)	50 of 100 (Notable)
Arad	Romania	Record high maximum temperature	40.8 C (105.4 F)	49 of 100 (Notable)
Haines AP	United States	Record high maximum temperature	31.1 C (88.0 F)	49 of 100 (Notable)
Mahanoy City 2 N	United States	Record daily precipitation	77.5 mm (3.1 in)	48 of 100 (Notable)
Windsor	United States	Record low maximum temperature	21.1 C (70.0 F)	47 of 100 (Notable)
Portageville 1N	United States	Record daily precipitation	32.0 mm (1.3 in)	47 of 100 (Notable)
Wien	Austria	Record high minimum temperature	23.8 C (74.8 F)	46 of 100 (Notable)
Uliastai	China	Record daily precipitation	52.1 mm (2.1 in)	46 of 100 (Notable)
Allerton	United States	Record low minimum temperature	8.9 C (48.0 F)	46 of 100 (Notable)
Pine Grove Furnace	United States	Record daily precipitation	82.3 mm (3.2 in)	46 of 100 (Notable)
Holdrege	United States	Record low minimum temperature	8.9 C (48.0 F)	45 of 100 (Notable)
Hamburg	United States	Record daily precipitation	42.7 mm (1.7 in)	45 of 100 (Notable)
Szeged	Hungary	Record high minimum temperature	22.1 C (71.8 F)	43 of 100 (Notable)
Paris Stp	United States	Record low maximum temperature	20.0 C (68.0 F)	43 of 100 (Notable)
Hebron	United States	Record low minimum temperature	9.4 C (48.9 F)	43 of 100 (Notable)
Seward	United States	Record low minimum temperature	10.0 C (50.0 F)	43 of 100 (Notable)
Renovo	United States	Record daily precipitation	30.0 mm (1.2 in)	43 of 100 (Notable)
Kilauea 1134	United States	Record high minimum temperature	23.3 C (73.9 F)	43 of 100 (Notable)
Troy	United States	Record low maximum temperature	26.1 C (79.0 F)	42 of 100 (Notable)
Belle Plaine	United States	Record low minimum temperature	7.8 C (46.0 F)	42 of 100 (Notable)
Washington	United States	Record low minimum temperature	8.9 C (48.0 F)	42 of 100 (Notable)
Columbus 3 NE	United States	Record low maximum temperature	18.3 C (64.9 F)	42 of 100 (Notable)
Crete 4ESE	United States	Record low maximum temperature	20.6 C (69.1 F)	42 of 100 (Notable)
Botosani	Romania	Record high minimum temperature	23.7 C (74.7 F)	41 of 100 (Notable)
Williams	United States	Record daily precipitation	28.4 mm (1.1 in)	41 of 100 (Notable)
Rock Is L&D 15	United States	Record low minimum temperature	9.4 C (48.9 F)	41 of 100 (Notable)
W Lafayette 6 NW	United States	Record low maximum temperature	17.2 C (63.0 F)	41 of 100 (Notable)
Loup City	United States	Record low minimum temperature	7.8 C (46.0 F)	41 of 100 (Notable)
Wood	United States	Record low minimum temperature	7.8 C (46.0 F)	41 of 100 (Notable)
Ternopil	Ukraine	Record high minimum temperature	22.4 C (72.3 F)	40 of 100 (Notable)
Alexander City	United States	Record daily precipitation	61.2 mm (2.4 in)	40 of 100 (Notable)
Bartlesville Muni AP	United States	Record daily precipitation	78.7 mm (3.1 in)	40 of 100 (Notable)
Reit Im Winkl	Germany	Record high minimum temperature	19.0 C (66.2 F)	39 of 100 (Notable)
Ukkestad	Norway	Record daily precipitation	65.8 mm (2.6 in)	39 of 100 (Notable)
Drobeta Turnu Severin	Romania	Record high maximum temperature	41.3 C (106.3 F)	39 of 100 (Notable)
Olathe Johnson Co Ind AP	United States	Record low maximum temperature	19.4 C (66.9 F)	38 of 100 (Notable)
Carrollton	United States	Record daily precipitation	40.1 mm (1.6 in)	37 of 100 (Notable)
Ravenna	United States	Record low minimum temperature	6.7 C (44.1 F)	37 of 100 (Notable)
Emporia ASOS	United States	Record daily precipitation	78.5 mm (3.1 in)	37 of 100 (Notable)
Pecs Pogany	Hungary	Record high minimum temperature	24.4 C (75.9 F)	36 of 100 (Notable)
Bolotnoe	Russia	Record high minimum temperature	19.6 C (67.3 F)	35 of 100 (Notable)
Askaniia Nova	Ukraine	Record high minimum temperature	22.0 C (71.6 F)	35 of 100 (Notable)
Plant City	United States	Record high maximum temperature	36.7 C (98.1 F)	35 of 100 (Notable)
Sog Xian	China	Record high minimum temperature	11.6 C (52.9 F)	34 of 100 (Routine)
Budapest	Hungary	Record high minimum temperature	26.0 C (78.8 F)	34 of 100 (Routine)
Szeged	Hungary	Record high maximum temperature	38.3 C (100.9 F)	34 of 100 (Routine)
Budapest/Pestszentlorinc	Hungary	Record high minimum temperature	26.0 C (78.8 F)	34 of 100 (Routine)
Opstveit	Norway	Record daily precipitation	66.5 mm (2.6 in)	34 of 100 (Routine)
Kastamonu	Turkey	Record high minimum temperature	18.7 C (65.7 F)	34 of 100 (Routine)
Vinnytsia	Ukraine	Record high minimum temperature	22.9 C (73.2 F)	34 of 100 (Routine)
Niceville	United States	Record low maximum temperature	25.0 C (77.0 F)	34 of 100 (Routine)
Little Valley	United States	Record daily precipitation	41.4 mm (1.6 in)	34 of 100 (Routine)
Hutchinson Muni AP	United States	Record daily precipitation	45.5 mm (1.8 in)	34 of 100 (Routine)
Tortosa - Observatorio del Ebr	Spain	Record high minimum temperature	25.5 C (77.9 F)	33 of 100 (Routine)
Lafayette 8 S	United States	Record low maximum temperature	17.2 C (63.0 F)	33 of 100 (Routine)

Counts by Type and Timescale

888 records

Records set or tied on 5 August 2017 by type: Highest daily maximum 165, Lowest daily maximum 151, Highest daily minimum 285, Lowest daily minimum 109, Heaviest daily rainfall 178.

Records on 5 August 2017 by type
Record type	Records
Highest daily maximum	165
Lowest daily maximum	151
Highest daily minimum	285
Lowest daily minimum	109
Heaviest daily rainfall	178
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 5 August 2017 by timescale: all-time 27, monthly 34, daily 827.

How Much Records Were Beaten By

703 broken records

Margins by which the 703 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 73.0. Ties are not counted.

Top 20 by Significance

5 August 2017

Top 20 records on 5 August 2017 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
5 August 2017	Nora_D, SE	daily rain	28.9 mm (1.1 in)	16.7 mm (0.7 in)	134 years	66 of 100 (Major)
5 August 2017	Summit, US	daily rain	42.7 mm (1.7 in)	26.7 mm (1.1 in)	40 years	58 of 100 (Notable)
5 August 2017	Naze, JP	monthly rain	399.5 mm (15.7 in)	73.0 mm (2.9 in)	65 years	54 of 100 (Notable)
5 August 2017	Olathe Johnson Co Ind AP, US	daily rain	66.5 mm (2.6 in)	49.5 mm (1.9 in)	55 years	52 of 100 (Notable)
5 August 2017	Tellico Plains, US	daily low min	11.7 C (53.1 F)	2.7 C (4.9 F)	110 years	51 of 100 (Notable)
5 August 2017	Ladysmith 3W, US	daily low max	14.4 C (57.9 F)	7.8 C (14.0 F)	66 years	50 of 100 (Notable)
5 August 2017	Arad, RO	all-time high max	40.8 C (105.4 F)	0.4 C (0.7 F)	64 years	49 of 100 (Notable)
5 August 2017	Haines AP, US	monthly high max	31.1 C (88.0 F)	1.1 C (2.0 F)	88 years	49 of 100 (Notable)
5 August 2017	Mahanoy City 2 N, US	daily rain	77.5 mm (3.1 in)	55.4 mm (2.2 in)	14 years	48 of 100 (Notable)
5 August 2017	Windsor, US	daily low max	21.1 C (70.0 F)	2.8 C (5.0 F)	102 years	47 of 100 (Notable)
5 August 2017	Portageville 1N, US	daily rain	32.0 mm (1.3 in)	7.6 mm (0.30 in)	99 years	47 of 100 (Notable)
5 August 2017	Wien, AT	daily high min	23.8 C (74.8 F)	1.7 C (3.1 F)	157 years	46 of 100 (Notable)
5 August 2017	Uliastai, CN	daily rain	52.1 mm (2.1 in)	37.9 mm (1.5 in)	2 years	46 of 100 (Notable)
5 August 2017	Allerton, US	daily low min	8.9 C (48.0 F)	2.2 C (4.0 F)	107 years	46 of 100 (Notable)
5 August 2017	Pine Grove Furnace, US	daily rain	82.3 mm (3.2 in)	68.3 mm (2.7 in)	12 years	46 of 100 (Notable)
5 August 2017	Holdrege, US	daily low min	8.9 C (48.0 F)	1.7 C (3.1 F)	102 years	45 of 100 (Notable)
5 August 2017	Hamburg, US	daily rain	42.7 mm (1.7 in)	10.9 mm (0.4 in)	98 years	45 of 100 (Notable)
5 August 2017	Szeged, HU	daily high min	22.1 C (71.8 F)	1.1 C (2.0 F)	112 years	43 of 100 (Notable)
5 August 2017	Paris Stp, US	daily low max	20.0 C (68.0 F)	1.1 C (2.0 F)	102 years	43 of 100 (Notable)
5 August 2017	Hebron, US	daily low min	9.4 C (48.9 F)	1.2 C (2.2 F)	122 years	43 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

1797 to 2017

Records set or tied on this calendar date in each year from 1797 to 2017. 2017 had 888 records.

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

Records on 08-05 in each year
Year	Records
1797	1
1806	2
1809	1
1830	3
1839	1
1841	1
1843	1
1846	1
1847	1
1857	1
1859	1
1860	1
1862	2
1864	1
1865	2
1866	1
1867	1
1868	2
1871	2
1874	2
1876	1
1880	1
1881	3
1882	3
1885	1
1886	1
1887	3
1888	2
1890	1
1891	1
1892	1
1893	3
1894	2
1895	3
1896	3
1897	1
1898	3
1899	11
1900	4
1901	3
1902	6
1903	18
1904	13
1905	22
1906	13
1907	14
1908	25
1909	21
1910	20
1911	16
1912	72
1913	18
1914	22
1915	83
1916	67
1917	40
1918	233
1919	40
1920	81
1921	53
1922	107
1923	180
1924	144
1925	84
1926	113
1927	230
1928	201
1929	243
1930	467
1931	426
1932	228
1933	341
1934	587
1935	422
1936	309
1937	288
1938	420
1939	275
1940	290
1941	443
1942	393
1943	436
1944	520
1945	311
1946	374
1947	710
1948	930
1949	375
1950	681
1951	557
1952	498
1953	1,043
1954	543
1955	640
1956	422
1957	518
1958	503
1959	438
1960	297
1961	823
1962	451
1963	311
1964	610
1965	265
1966	384
1967	347
1968	394
1969	708
1970	468
1971	748
1972	799
1973	983
1974	810
1975	692
1976	721
1977	583
1978	948
1979	561
1980	998
1981	754
1982	776
1983	1,090
1984	789
1985	845
1986	778
1987	1,061
1988	914
1989	915
1990	1,265
1991	828
1992	861
1993	1,145
1994	1,944
1995	1,205
1996	1,029
1997	1,144
1998	1,817
1999	834
2000	704
2001	986
2002	1,160
2003	1,340
2004	848
2005	1,026
2006	932
2007	787
2008	738
2009	777
2010	1,626
2011	1,347
2012	869
2013	436
2014	915
2015	520
2016	544
2017	888
2018	528
2019	533
2020	626
2021	641
2022	1,332
2023	1,087
2024	711
2025	775
2026	1,048

Download the Data

Data for records on 2017-08-05: 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	654
10 to 20	32
20 to 30	6
30 to 40	4
40 to 50	4
50 to 60	1
60 to 70	1
70 to 80	1