Weather Records on 23 July 1999

846 weather records were set or tied worldwide on 23 July 1999. Highest significance: Flamingo Rs, US.

Key Facts for 23 July 1999

On 23 July 1999, 846 weather records were set or tied at long-record stations worldwide.
497 were record highs and 264 were record lows, counting maximum and minimum temperature.
By timescale, 10 were all-time records, 21 monthly and 815 daily.
Flamingo Rs set a daily record precipitation of 83.8 mm (3.3 in) on 23 July 1999.
Across 167 earlier years (1794 to 2026) the same calendar date averaged 446 records.

Record Map

846 stations

846 station records on 23 July 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 July 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Flamingo Rs	United States	Record daily precipitation	83.8 mm (3.3 in)	52 of 100 (Notable)
Roscoe	United States	Record daily precipitation	60.7 mm (2.4 in)	50 of 100 (Notable)
Sonnblick	Austria	Record daily precipitation	45.3 mm (1.8 in)	49 of 100 (Notable)
Kljuchi	Russia	Record daily precipitation	34.4 mm (1.4 in)	46 of 100 (Notable)
Beaufort Wwtp	United States	Record high minimum temperature	27.2 C (81.0 F)	46 of 100 (Notable)
Posio Raistakka	Finland	Record daily precipitation	29.0 mm (1.1 in)	45 of 100 (Notable)
San Pedro	Mexico	Record daily precipitation	67.3 mm (2.6 in)	44 of 100 (Notable)
Tula	Mexico	Record low maximum temperature	15.6 C (60.1 F)	43 of 100 (Notable)
Hawaii Vol Np HQ 54	United States	Record high maximum temperature	30.6 C (87.1 F)	42 of 100 (Notable)
Ashurst Hayden Dam	United States	Record daily precipitation	31.8 mm (1.3 in)	41 of 100 (Notable)
Hot Springs	United States	Record high minimum temperature	20.0 C (68.0 F)	41 of 100 (Notable)
Iowa Falls	United States	Record high minimum temperature	23.3 C (73.9 F)	40 of 100 (Notable)
Saginaw Mbs Intl AP	United States	Record daily precipitation	30.2 mm (1.2 in)	40 of 100 (Notable)
Kailua 446	United States	Record low maximum temperature	22.8 C (73.0 F)	39 of 100 (Notable)
Lowestoft	United Kingdom	Record high maximum temperature	28.2 C (82.8 F)	38 of 100 (Notable)
Lake Mills Wwtp	United States	Record high minimum temperature	23.3 C (73.9 F)	38 of 100 (Notable)
Hami	China	Record high minimum temperature	31.3 C (88.3 F)	37 of 100 (Notable)
Sainshand	Mongolia	Record high maximum temperature	41.0 C (105.8 F)	37 of 100 (Notable)
Pearsall	United States	Record low maximum temperature	29.4 C (84.9 F)	37 of 100 (Notable)
Waialua 847	United States	Record low maximum temperature	27.2 C (81.0 F)	37 of 100 (Notable)
Conceicao Do Rio Verde	Brazil	Record daily precipitation	46.2 mm (1.8 in)	36 of 100 (Notable)
Carlinville	United States	Record high minimum temperature	25.0 C (77.0 F)	36 of 100 (Notable)
Elgin Water	United States	Record high minimum temperature	23.9 C (75.0 F)	36 of 100 (Notable)
Bloomfield	United States	Record high minimum temperature	24.4 C (75.9 F)	36 of 100 (Notable)
Hillsboro 3 N	United States	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Philippi	United States	Record high minimum temperature	21.7 C (71.1 F)	36 of 100 (Notable)
Semej	Kazakhstan	Record daily precipitation	28.5 mm (1.1 in)	35 of 100 (Notable)
Tryon	United States	Record high minimum temperature	25.0 C (77.0 F)	35 of 100 (Notable)
Dayton 2SE	United States	Record daily precipitation	74.7 mm (2.9 in)	35 of 100 (Notable)
Nikolskoye/Beringa Ostrov	Russia	Record low maximum temperature	7.8 C (46.0 F)	34 of 100 (Routine)
Skegness	United Kingdom	Record high maximum temperature	28.5 C (83.3 F)	34 of 100 (Routine)
Great Sand Dunes Np & Preserve	United States	Record daily precipitation	26.9 mm (1.1 in)	34 of 100 (Routine)
Chuuk WSO AP	Federated States of Micronesia	Record low minimum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Mexcala (Cfe)	Mexico	Record low minimum temperature	17.2 C (63.0 F)	33 of 100 (Routine)
Presa Taxhimay	Mexico	Record high minimum temperature	17.8 C (64.0 F)	33 of 100 (Routine)
Gridino	Russia	Record high maximum temperature	28.4 C (83.1 F)	33 of 100 (Routine)
Srednjaja Olekma	Russia	Record daily precipitation	44.5 mm (1.8 in)	33 of 100 (Routine)
Ersov	Russia	Record daily precipitation	25.9 mm (1.0 in)	33 of 100 (Routine)
Ann Arbor U of Mich	United States	Record daily precipitation	34.3 mm (1.4 in)	33 of 100 (Routine)
Setauket Strong	United States	Record high minimum temperature	26.7 C (80.1 F)	33 of 100 (Routine)
Hohenwald	United States	Record high minimum temperature	23.3 C (73.9 F)	33 of 100 (Routine)
Winston Salem Reynolds AP	United States	Record high minimum temperature	25.0 C (77.0 F)	33 of 100 (Routine)
Presa Taxhimay	Mexico	Record high maximum temperature	30.0 C (86.0 F)	32 of 100 (Routine)
Chita	Russia	Record high minimum temperature	21.1 C (70.0 F)	32 of 100 (Routine)
Allison	United States	Record high minimum temperature	23.3 C (73.9 F)	32 of 100 (Routine)
Manati 2 E	Puerto Rico [United States]	Record high minimum temperature	24.4 C (75.9 F)	31 of 100 (Routine)
Kjahta	Russia	Record high maximum temperature	32.9 C (91.2 F)	31 of 100 (Routine)
Petaluma AP	United States	Record low maximum temperature	20.0 C (68.0 F)	31 of 100 (Routine)
Uliastai	Mongolia	Record high maximum temperature	35.8 C (96.4 F)	30 of 100 (Routine)
Ashland	United States	Record high maximum temperature	37.2 C (99.0 F)	30 of 100 (Routine)
Superior	United States	Record high minimum temperature	24.4 C (75.9 F)	30 of 100 (Routine)
Buchanan	United States	Record high maximum temperature	37.8 C (100.0 F)	30 of 100 (Routine)
Lnai Culture & Heritage Ctr	United States	Record low maximum temperature	21.7 C (71.1 F)	30 of 100 (Routine)
Arvaiheer	Mongolia	Record high minimum temperature	19.6 C (67.3 F)	29 of 100 (Routine)
La Tinaja	Mexico	Record high maximum temperature	30.0 C (86.0 F)	29 of 100 (Routine)
Apizaco	Mexico	Record daily precipitation	30.0 mm (1.2 in)	29 of 100 (Routine)
Tiksi	Russia	Record high minimum temperature	13.0 C (55.4 F)	29 of 100 (Routine)
Babuskin	Russia	Record high minimum temperature	17.7 C (63.9 F)	29 of 100 (Routine)
Hoopeston	United States	Record high minimum temperature	25.0 C (77.0 F)	29 of 100 (Routine)
Columbus 3 NE	United States	Record high minimum temperature	24.4 C (75.9 F)	29 of 100 (Routine)

Counts by Type and Timescale

846 records

Records set or tied on 23 July 1999 by type: Highest daily maximum 156, Lowest daily maximum 96, Highest daily minimum 341, Lowest daily minimum 168, Heaviest daily rainfall 85.

Records on 23 July 1999 by type
Record type	Records
Highest daily maximum	156
Lowest daily maximum	96
Highest daily minimum	341
Lowest daily minimum	168
Heaviest daily rainfall	85
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 23 July 1999 by timescale: all-time 10, monthly 21, daily 815.

How Much Records Were Beaten By

535 broken records

Margins by which the 535 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 54.8. Ties are not counted.

Top 20 by Significance

23 July 1999

Top 20 records on 23 July 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 July 1999	Flamingo Rs, US	daily rain	83.8 mm (3.3 in)	54.8 mm (2.2 in)	32 years	52 of 100 (Notable)
23 July 1999	Roscoe, US	daily rain	60.7 mm (2.4 in)	28.9 mm (1.1 in)	53 years	50 of 100 (Notable)
23 July 1999	Sonnblick, AT	daily rain	45.3 mm (1.8 in)	13.6 mm (0.5 in)	72 years	49 of 100 (Notable)
23 July 1999	Kljuchi, RU	daily rain	34.4 mm (1.4 in)	10.9 mm (0.4 in)	66 years	46 of 100 (Notable)
23 July 1999	Beaufort Wwtp, US	daily high min	27.2 C (81.0 F)	1.1 C (2.0 F)	100 years	46 of 100 (Notable)
23 July 1999	Posio Raistakka, FI	daily rain	29.0 mm (1.1 in)	20.8 mm (0.8 in)	16 years	45 of 100 (Notable)
23 July 1999	San Pedro, MX	daily rain	67.3 mm (2.6 in)	37.3 mm (1.5 in)	21 years	44 of 100 (Notable)
23 July 1999	Tula, MX	daily low max	15.6 C (60.1 F)	9.4 C (16.9 F)	26 years	43 of 100 (Notable)
23 July 1999	Hawaii Vol Np HQ 54, US	all-time high max	30.6 C (87.1 F)	1.2 C (2.2 F)	38 years	42 of 100 (Notable)
23 July 1999	Ashurst Hayden Dam, US	daily rain	31.8 mm (1.3 in)	24.9 mm (1.0 in)	14 years	41 of 100 (Notable)
23 July 1999	Hot Springs, US	daily high min	20.0 C (68.0 F)	0.6 C (1.1 F)	101 years	41 of 100 (Notable)
23 July 1999	Iowa Falls, US	daily high min	23.3 C (73.9 F)	0.5 C (0.9 F)	97 years	40 of 100 (Notable)
23 July 1999	Saginaw Mbs Intl AP, US	daily rain	30.2 mm (1.2 in)	2.0 mm (0.08 in)	98 years	40 of 100 (Notable)
23 July 1999	Kailua 446, US	daily low max	22.8 C (73.0 F)	0.5 C (0.9 F)	88 years	39 of 100 (Notable)
23 July 1999	Lowestoft, GB	daily high max	28.2 C (82.8 F)	2.6 C (4.7 F)	65 years	38 of 100 (Notable)
23 July 1999	Lake Mills Wwtp, US	daily high min	23.3 C (73.9 F)	1.1 C (2.0 F)	84 years	38 of 100 (Notable)
23 July 1999	Hami, CN	daily high min	31.3 C (88.3 F)	6.3 C (11.3 F)	46 years	37 of 100 (Notable)
23 July 1999	Sainshand, MN	all-time high max	41.0 C (105.8 F)	1.0 C (1.8 F)	38 years	37 of 100 (Notable)
23 July 1999	Pearsall, US	daily low max	29.4 C (84.9 F)	2.3 C (4.1 F)	68 years	37 of 100 (Notable)
23 July 1999	Waialua 847, US	daily low max	27.2 C (81.0 F)	0.6 C (1.1 F)	80 years	37 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

1794 to 1999

Records set or tied on this calendar date in each year from 1794 to 1999. 1999 had 846 records.

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

Records on 07-23 in each year
Year	Records
1794	2
1797	1
1804	1
1810	1
1811	2
1832	1
1835	1
1836	2
1838	1
1845	1
1846	2
1851	1
1852	1
1855	2
1856	1
1859	1
1860	1
1861	1
1863	1
1867	1
1868	5
1870	1
1873	2
1875	2
1877	1
1879	2
1880	2
1882	1
1883	1
1884	1
1885	5
1886	1
1887	2
1888	1
1889	5
1890	4
1894	3
1895	7
1896	4
1898	9
1899	5
1900	8
1901	10
1902	6
1903	4
1904	18
1905	11
1906	19
1907	9
1908	15
1909	27
1910	54
1911	37
1912	43
1913	36
1914	59
1915	35
1916	34
1917	42
1918	96
1919	26
1920	40
1921	221
1922	113
1923	104
1924	158
1925	173
1926	266
1927	308
1928	146
1929	174
1930	214
1931	334
1932	232
1933	432
1934	898
1935	329
1936	403
1937	319
1938	354
1939	277
1940	494
1941	292
1942	265
1943	245
1944	350
1945	239
1946	531
1947	1,240
1948	610
1949	453
1950	500
1951	422
1952	788
1953	660
1954	545
1955	585
1956	402
1957	513
1958	633
1959	606
1960	568
1961	937
1962	465
1963	490
1964	373
1965	368
1966	368
1967	347
1968	480
1969	436
1970	935
1971	648
1972	640
1973	798
1974	578
1975	359
1976	425
1977	570
1978	1,064
1979	648
1980	703
1981	1,030
1982	594
1983	1,324
1984	980
1985	711
1986	1,239
1987	1,164
1988	1,124
1989	868
1990	1,033
1991	1,050
1992	1,469
1993	1,466
1994	1,215
1995	827
1996	1,227
1997	1,088
1998	885
1999	846
2000	1,225
2001	1,242
2002	875
2003	1,649
2004	1,148
2005	997
2006	1,757
2007	1,262
2008	1,057
2009	1,069
2010	1,627
2011	1,907
2012	822
2013	648
2014	783
2015	559
2016	760
2017	517
2018	873
2019	786
2020	514
2021	506
2022	707
2023	629
2024	798
2025	917
2026	788

Download the Data

Data for records on 1999-07-23: 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	512
10 to 20	12
20 to 30	8
30 to 40	2
40 to 50	0
50 to 60	1