Weather Records on 20 July 1997

903 weather records were set or tied worldwide on 20 July 1997. Highest significance: Wittenberg, DE.

Key Facts for 20 July 1997

On 20 July 1997, 903 weather records were set or tied at long-record stations worldwide.
325 were record highs and 294 were record lows, counting maximum and minimum temperature.
By timescale, 9 were all-time records, 32 monthly and 862 daily.
Wittenberg set a daily record precipitation of 46.7 mm (1.8 in) on 20 July 1997.
Across 161 earlier years (1809 to 2026) the same calendar date averaged 456 records.

Record Map

903 stations

903 station records on 20 July 1997 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 20 July 1997: highest significance records shown on the map
Station	Country	Type	Value	Significance
Wittenberg	Germany	Record daily precipitation	46.7 mm (1.8 in)	77 of 100 (Major)
Robertsdale	United States	Record daily precipitation	154.9 mm (6.1 in)	73 of 100 (Major)
Bay Minette	United States	Record daily precipitation	395.7 mm (15.6 in)	72 of 100 (Major)
Fairhope 2 NE	United States	Record daily precipitation	368.8 mm (14.5 in)	71 of 100 (Major)
Nazareth House Farm	South Africa	Record daily precipitation	35.0 mm (1.4 in)	67 of 100 (Major)
Coden	United States	Record daily precipitation	308.6 mm (12.1 in)	64 of 100 (Major)
Doberlug-Kirchhain	Germany	Record daily precipitation	34.6 mm (1.4 in)	61 of 100 (Major)
Flatwillow 4 ENE	United States	Record daily precipitation	30.7 mm (1.2 in)	61 of 100 (Major)
Gardelegen	Germany	Record daily precipitation	43.1 mm (1.7 in)	60 of 100 (Major)
Pascagoula 3 NE	United States	Record daily precipitation	136.4 mm (5.4 in)	60 of 100 (Major)
Clausthal-Zellerfeld	Germany	Record daily precipitation	69.4 mm (2.7 in)	59 of 100 (Notable)
Pratt 3NW	United States	Record daily precipitation	89.9 mm (3.5 in)	59 of 100 (Notable)
Gibson Dam	United States	Record daily precipitation	48.8 mm (1.9 in)	59 of 100 (Notable)
Brocken	Germany	Record daily precipitation	114.8 mm (4.5 in)	58 of 100 (Notable)
Algona	United States	Record daily precipitation	51.6 mm (2.0 in)	58 of 100 (Notable)
Wittstock-Rote Muhle	Germany	Record daily precipitation	45.5 mm (1.8 in)	57 of 100 (Notable)
Primghar	United States	Record daily precipitation	102.4 mm (4.0 in)	56 of 100 (Notable)
Blackleaf	United States	Record daily precipitation	41.1 mm (1.6 in)	56 of 100 (Notable)
Holter Dam	United States	Record daily precipitation	26.2 mm (1.0 in)	56 of 100 (Notable)
Billings Intl AP	United States	Record daily precipitation	40.9 mm (1.6 in)	55 of 100 (Notable)
Schwarzburg	Germany	Record daily precipitation	33.3 mm (1.3 in)	52 of 100 (Notable)
Harzgerode	Germany	Record daily precipitation	60.6 mm (2.4 in)	51 of 100 (Notable)
Friedrichsbrunn	Germany	Record daily precipitation	67.4 mm (2.7 in)	50 of 100 (Notable)
Milan 1NW	United States	Record daily precipitation	40.9 mm (1.6 in)	50 of 100 (Notable)
Quiriego (Smn)	Mexico	Record daily precipitation	94.0 mm (3.7 in)	49 of 100 (Notable)
Judith Gap	United States	Record daily precipitation	40.1 mm (1.6 in)	49 of 100 (Notable)
Leipzig-Schkeuditz	Germany	Record daily precipitation	29.0 mm (1.1 in)	48 of 100 (Notable)
Kyritz	Germany	Record daily precipitation	39.4 mm (1.6 in)	48 of 100 (Notable)
Uil	Kazakhstan	Record daily precipitation	28.2 mm (1.1 in)	48 of 100 (Notable)
Tupper Lake Sunmount	United States	Record low maximum temperature	12.2 C (54.0 F)	48 of 100 (Notable)
Magdeburg	Germany	Record daily precipitation	30.0 mm (1.2 in)	47 of 100 (Notable)
Lowville	United States	Record low maximum temperature	15.6 C (60.1 F)	47 of 100 (Notable)
Siwa	Egypt	Record high maximum temperature	47.2 C (117.0 F)	46 of 100 (Notable)
Madison	United States	Record low maximum temperature	15.6 C (60.1 F)	46 of 100 (Notable)
Red Owl	United States	Record daily precipitation	61.7 mm (2.4 in)	46 of 100 (Notable)
Helmstedt	Germany	Record daily precipitation	36.7 mm (1.4 in)	45 of 100 (Notable)
Bad Sooden-Allendorf	Germany	Record daily precipitation	35.2 mm (1.4 in)	45 of 100 (Notable)
Dupree 15 SSE	United States	Record daily precipitation	61.0 mm (2.4 in)	45 of 100 (Notable)
Buffalo	United States	Record daily precipitation	38.1 mm (1.5 in)	45 of 100 (Notable)
Altotonga	Mexico	Record low maximum temperature	11.7 C (53.1 F)	44 of 100 (Notable)
Norwich	United States	Record daily precipitation	91.4 mm (3.6 in)	44 of 100 (Notable)
Northfield	United States	Record low maximum temperature	14.4 C (57.9 F)	44 of 100 (Notable)
Martinsdale 3 NNW	United States	Record daily precipitation	28.4 mm (1.1 in)	43 of 100 (Notable)
Grand Junction Walker Fld	United States	Record low minimum temperature	11.7 C (53.1 F)	43 of 100 (Notable)
Farmington	United States	Record low maximum temperature	17.2 C (63.0 F)	42 of 100 (Notable)
Gardiner	United States	Record low maximum temperature	18.9 C (66.0 F)	42 of 100 (Notable)
Penn Yan	United States	Record low maximum temperature	19.4 C (66.9 F)	42 of 100 (Notable)
Waverly	United States	Record low maximum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Berlin-Dahlem	Germany	Record daily precipitation	35.2 mm (1.4 in)	41 of 100 (Notable)
Berlin-Zehlendorf	Germany	Record daily precipitation	33.2 mm (1.3 in)	41 of 100 (Notable)
Indian Lake 2SW	United States	Record low maximum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Leipzig-Holzhausen	Germany	Record low maximum temperature	15.2 C (59.4 F)	40 of 100 (Notable)
Wernigerode	Germany	Record daily precipitation	36.3 mm (1.4 in)	40 of 100 (Notable)
Ciudad Santos	Mexico	Record low minimum temperature	12.8 C (55.0 F)	40 of 100 (Notable)
Crandall 8 N	United States	Record daily precipitation	53.8 mm (2.1 in)	40 of 100 (Notable)
Bernburg/Saale (Nord)	Germany	Record daily precipitation	28.4 mm (1.1 in)	39 of 100 (Notable)
Stiege	Germany	Record daily precipitation	28.1 mm (1.1 in)	39 of 100 (Notable)
Kybartai	Lithuania	Record daily precipitation	89.9 mm (3.5 in)	39 of 100 (Notable)
Choteau	United States	Record daily precipitation	27.2 mm (1.1 in)	39 of 100 (Notable)
Ryegate 18 NNW	United States	Record daily precipitation	26.7 mm (1.1 in)	39 of 100 (Notable)

Counts by Type and Timescale

903 records

Records set or tied on 20 July 1997 by type: Highest daily maximum 145, Lowest daily maximum 146, Highest daily minimum 180, Lowest daily minimum 148, Heaviest daily rainfall 284.

Records on 20 July 1997 by type
Record type	Records
Highest daily maximum	145
Lowest daily maximum	146
Highest daily minimum	180
Lowest daily minimum	148
Heaviest daily rainfall	284
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 20 July 1997 by timescale: all-time 9, monthly 32, daily 862.

How Much Records Were Beaten By

677 broken records

Margins by which the 677 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 96.5. Ties are not counted.

Top 20 by Significance

20 July 1997

Top 20 records on 20 July 1997 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
20 July 1997	Wittenberg, DE	daily rain	46.7 mm (1.8 in)	28.4 mm (1.1 in)	91 years	77 of 100 (Major)
20 July 1997	Robertsdale, US	daily rain	154.9 mm (6.1 in)	96.5 mm (3.8 in)	84 years	73 of 100 (Major)
20 July 1997	Bay Minette, US	all-time rain	395.7 mm (15.6 in)	84.8 mm (3.3 in)	14 years	72 of 100 (Major)
20 July 1997	Fairhope 2 NE, US	all-time rain	368.8 mm (14.5 in)	44.9 mm (1.8 in)	70 years	71 of 100 (Major)
20 July 1997	Nazareth House Farm, ZA	daily rain	35.0 mm (1.4 in)	29.2 mm (1.1 in)	82 years	67 of 100 (Major)
20 July 1997	Coden, US	all-time rain	308.6 mm (12.1 in)	86.3 mm (3.4 in)	2 years	64 of 100 (Major)
20 July 1997	Doberlug-Kirchhain, DE	daily rain	34.6 mm (1.4 in)	19.3 mm (0.8 in)	88 years	61 of 100 (Major)
20 July 1997	Flatwillow 4 ENE, US	daily rain	30.7 mm (1.2 in)	20.8 mm (0.8 in)	64 years	61 of 100 (Major)
20 July 1997	Gardelegen, DE	daily rain	43.1 mm (1.7 in)	28.9 mm (1.1 in)	50 years	60 of 100 (Major)
20 July 1997	Pascagoula 3 NE, US	daily rain	136.4 mm (5.4 in)	89.9 mm (3.5 in)	40 years	60 of 100 (Major)
20 July 1997	Clausthal-Zellerfeld, DE	daily rain	69.4 mm (2.7 in)	38.0 mm (1.5 in)	39 years	59 of 100 (Notable)
20 July 1997	Pratt 3NW, US	daily rain	89.9 mm (3.5 in)	51.3 mm (2.0 in)	55 years	59 of 100 (Notable)
20 July 1997	Gibson Dam, US	daily rain	48.8 mm (1.9 in)	37.9 mm (1.5 in)	39 years	59 of 100 (Notable)
20 July 1997	Brocken, DE	monthly rain	114.8 mm (4.5 in)	8.6 mm (0.34 in)	99 years	58 of 100 (Notable)
20 July 1997	Algona, US	daily rain	51.6 mm (2.0 in)	25.7 mm (1.0 in)	99 years	58 of 100 (Notable)
20 July 1997	Wittstock-Rote Muhle, DE	daily rain	45.5 mm (1.8 in)	18.1 mm (0.7 in)	71 years	57 of 100 (Notable)
20 July 1997	Primghar, US	daily rain	102.4 mm (4.0 in)	69.1 mm (2.7 in)	24 years	56 of 100 (Notable)
20 July 1997	Blackleaf, US	daily rain	41.1 mm (1.6 in)	34.0 mm (1.3 in)	24 years	56 of 100 (Notable)
20 July 1997	Holter Dam, US	daily rain	26.2 mm (1.0 in)	13.5 mm (0.5 in)	90 years	56 of 100 (Notable)
20 July 1997	Billings Intl AP, US	daily rain	40.9 mm (1.6 in)	30.5 mm (1.2 in)	36 years	55 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

1809 to 1997

Records set or tied on this calendar date in each year from 1809 to 1997. 1997 had 903 records.

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

Records on 07-20 in each year
Year	Records
1809	1
1810	1
1811	2
1832	2
1844	2
1850	1
1859	2
1863	1
1865	4
1866	1
1867	1
1868	1
1870	1
1872	1
1874	2
1876	1
1877	2
1879	3
1880	1
1881	2
1882	1
1883	2
1885	1
1886	2
1887	1
1888	1
1889	2
1890	5
1892	7
1893	1
1894	1
1895	1
1897	4
1898	2
1899	4
1900	9
1901	3
1902	13
1903	6
1904	10
1905	6
1906	8
1907	12
1908	31
1909	6
1910	27
1911	12
1912	33
1913	28
1914	20
1915	163
1916	117
1917	57
1918	53
1919	40
1920	16
1921	55
1922	52
1923	173
1924	112
1925	125
1926	411
1927	106
1928	366
1929	480
1930	598
1931	362
1932	338
1933	201
1934	857
1935	386
1936	358
1937	213
1938	392
1939	336
1940	325
1941	270
1942	609
1943	326
1944	470
1945	278
1946	482
1947	635
1948	385
1949	807
1950	563
1951	448
1952	488
1953	316
1954	512
1955	377
1956	545
1957	351
1958	536
1959	605
1960	758
1961	338
1962	327
1963	457
1964	416
1965	1,110
1966	469
1967	455
1968	389
1969	649
1970	890
1971	619
1972	1,062
1973	804
1974	489
1975	470
1976	580
1977	899
1978	663
1979	1,249
1980	925
1981	1,048
1982	580
1983	1,117
1984	799
1985	604
1986	848
1987	1,156
1988	1,103
1989	1,183
1990	724
1991	1,024
1992	1,137
1993	901
1994	611
1995	961
1996	1,365
1997	903
1998	1,682
1999	815
2000	1,393
2001	755
2002	986
2003	1,313
2004	978
2005	1,266
2006	1,487
2007	1,124
2008	663
2009	1,533
2010	1,154
2011	1,339
2012	817
2013	850
2014	1,000
2015	812
2016	744
2017	398
2018	930
2019	867
2020	524
2021	683
2022	1,108
2023	812
2024	737
2025	680
2026	863

Download the Data

Data for records on 1997-07-20: 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 20	622
20 to 40	44
40 to 60	6
60 to 80	1
80 to 100	4