Weather Records on 21 July 1999

814 weather records were set or tied worldwide on 21 July 1999. Highest significance: Independence #1, US.

Key Facts for 21 July 1999

On 21 July 1999, 814 weather records were set or tied at long-record stations worldwide.
349 were record highs and 239 were record lows, counting maximum and minimum temperature.
By timescale, 13 were all-time records, 20 monthly and 781 daily.
Independence #1 set a daily record precipitation of 95.8 mm (3.8 in) on 21 July 1999.
Across 159 earlier years (1794 to 2026) the same calendar date averaged 464 records.

Record Map

814 stations

814 station records on 21 July 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 July 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Independence #1	United States	Record daily precipitation	95.8 mm (3.8 in)	72 of 100 (Major)
Karvia Alkkia	Finland	Record daily precipitation	74.0 mm (2.9 in)	71 of 100 (Major)
Mason City	United States	Record daily precipitation	98.6 mm (3.9 in)	69 of 100 (Major)
West Bend	United States	Record daily precipitation	114.3 mm (4.5 in)	62 of 100 (Major)
Karvia Kk	Finland	Record daily precipitation	62.3 mm (2.5 in)	59 of 100 (Notable)
Alvundfjord	Norway	Record daily precipitation	82.0 mm (3.2 in)	59 of 100 (Notable)
New Hampton	United States	Record daily precipitation	180.3 mm (7.1 in)	59 of 100 (Notable)
Ciudad Guzman (Obs)	Mexico	Record daily precipitation	47.8 mm (1.9 in)	57 of 100 (Notable)
Loksmyr	Norway	Record daily precipitation	94.5 mm (3.7 in)	56 of 100 (Notable)
Oksendal	Norway	Record daily precipitation	38.9 mm (1.5 in)	55 of 100 (Notable)
Rauland	Norway	Record daily precipitation	36.0 mm (1.4 in)	53 of 100 (Notable)
Sunndalsora III	Norway	Record daily precipitation	46.9 mm (1.8 in)	52 of 100 (Notable)
La Tuna 1 S	United States	Record daily precipitation	45.7 mm (1.8 in)	52 of 100 (Notable)
Falfurrias	United States	Record daily precipitation	70.4 mm (2.8 in)	51 of 100 (Notable)
Waucoma 1WNW	United States	Record daily precipitation	94.0 mm (3.7 in)	50 of 100 (Notable)
Necedah	United States	Record daily precipitation	79.2 mm (3.1 in)	49 of 100 (Notable)
Leinstrand	Norway	Record daily precipitation	38.0 mm (1.5 in)	48 of 100 (Notable)
Waukesha Wwtp	United States	Record daily precipitation	44.7 mm (1.8 in)	48 of 100 (Notable)
Bloomfield	United States	Record daily precipitation	107.2 mm (4.2 in)	47 of 100 (Notable)
Orlinga	Russia	Record high minimum temperature	20.3 C (68.5 F)	45 of 100 (Notable)
Tripoli	United States	Record daily precipitation	77.7 mm (3.1 in)	45 of 100 (Notable)
Albert Lea 3SE	United States	Record daily precipitation	46.2 mm (1.8 in)	45 of 100 (Notable)
Naze	Japan	Record daily precipitation	178.1 mm (7.0 in)	44 of 100 (Notable)
Surnadal	Norway	Record daily precipitation	37.7 mm (1.5 in)	44 of 100 (Notable)
Germantown Wastewater Utility	United States	Record daily precipitation	99.3 mm (3.9 in)	44 of 100 (Notable)
Hartford Wwtp	United States	Record daily precipitation	100.3 mm (3.9 in)	42 of 100 (Notable)
Mather 3 NW	United States	Record daily precipitation	59.4 mm (2.3 in)	42 of 100 (Notable)
Charles City	United States	Record daily precipitation	168.9 mm (6.6 in)	41 of 100 (Notable)
Cheraw	United States	Record low minimum temperature	13.3 C (55.9 F)	41 of 100 (Notable)
Zhigalovo	Russia	Record high minimum temperature	19.6 C (67.3 F)	40 of 100 (Notable)
Gotnja	Russia	Record daily precipitation	37.1 mm (1.5 in)	40 of 100 (Notable)
Jaskul	Russia	Record daily precipitation	26.2 mm (1.0 in)	40 of 100 (Notable)
Allison	United States	Record daily precipitation	55.1 mm (2.2 in)	40 of 100 (Notable)
Beloit	United States	Record daily precipitation	67.3 mm (2.6 in)	40 of 100 (Notable)
Jose Cardel	Mexico	Record low maximum temperature	24.4 C (75.9 F)	38 of 100 (Notable)
Astrahanka	Russia	Record high maximum temperature	37.0 C (98.6 F)	38 of 100 (Notable)
Newcastle	United States	Record daily precipitation	78.0 mm (3.1 in)	38 of 100 (Notable)
Eresfjord	Norway	Record daily precipitation	37.9 mm (1.5 in)	37 of 100 (Notable)
Alicia 2 NNE	United States	Record high minimum temperature	25.0 C (77.0 F)	37 of 100 (Notable)
Mineral	United States	Record low minimum temperature	-0.6 C (30.9 F)	37 of 100 (Notable)
W Allis	United States	Record daily precipitation	87.4 mm (3.4 in)	37 of 100 (Notable)
Port Blair	India	Record daily precipitation	89.9 mm (3.5 in)	36 of 100 (Notable)
Presa Taxhimay	Mexico	Record high minimum temperature	17.8 C (64.0 F)	36 of 100 (Notable)
Beverly Stp	United States	Record daily precipitation	30.2 mm (1.2 in)	36 of 100 (Notable)
Vilsandi	Estonia	Record high minimum temperature	20.0 C (68.0 F)	35 of 100 (Notable)
Telpatlan	Mexico	Record daily precipitation	70.9 mm (2.8 in)	35 of 100 (Notable)
Fayette	United States	Record daily precipitation	74.2 mm (2.9 in)	35 of 100 (Notable)
Montello Wwtp	United States	Record daily precipitation	63.5 mm (2.5 in)	35 of 100 (Notable)
Aikawa	Japan	Record daily precipitation	130.0 mm (5.1 in)	34 of 100 (Routine)
Kitadaito	Japan	Record daily precipitation	144.0 mm (5.7 in)	34 of 100 (Routine)
Jesus Maria	Mexico	Record low maximum temperature	15.6 C (60.1 F)	34 of 100 (Routine)
Valujki	Russia	Record daily precipitation	66.7 mm (2.6 in)	34 of 100 (Routine)
Lake Mills	United States	Record daily precipitation	68.6 mm (2.7 in)	34 of 100 (Routine)
Naranjal (Cfe)	Mexico	Record low maximum temperature	23.3 C (73.9 F)	33 of 100 (Routine)
Rindal	Norway	Record daily precipitation	42.8 mm (1.7 in)	33 of 100 (Routine)
Malung	Sweden	Record high minimum temperature	14.4 C (57.9 F)	33 of 100 (Routine)
De Sabla	United States	Record low minimum temperature	7.2 C (45.0 F)	33 of 100 (Routine)
Dumont	United States	Record daily precipitation	56.6 mm (2.2 in)	33 of 100 (Routine)
Northwood	United States	Record daily precipitation	59.7 mm (2.4 in)	33 of 100 (Routine)
Hohenwald	United States	Record high minimum temperature	23.3 C (73.9 F)	33 of 100 (Routine)

Counts by Type and Timescale

814 records

Records set or tied on 21 July 1999 by type: Highest daily maximum 118, Lowest daily maximum 145, Highest daily minimum 231, Lowest daily minimum 94, Heaviest daily rainfall 226.

Records on 21 July 1999 by type
Record type	Records
Highest daily maximum	118
Lowest daily maximum	145
Highest daily minimum	231
Lowest daily minimum	94
Heaviest daily rainfall	226
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 21 July 1999 by timescale: all-time 13, monthly 20, daily 781.

How Much Records Were Beaten By

623 broken records

Margins by which the 623 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 98.6. Ties are not counted.

Top 20 by Significance

21 July 1999

Top 20 records on 21 July 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 July 1999	Independence #1, US	daily rain	95.8 mm (3.8 in)	60.2 mm (2.4 in)	130 years	72 of 100 (Major)
21 July 1999	Karvia Alkkia, FI	all-time rain	74.0 mm (2.9 in)	23.2 mm (0.9 in)	31 years	71 of 100 (Major)
21 July 1999	Mason City, US	daily rain	98.6 mm (3.9 in)	50.8 mm (2.0 in)	81 years	69 of 100 (Major)
21 July 1999	West Bend, US	daily rain	114.3 mm (4.5 in)	84.3 mm (3.3 in)	41 years	62 of 100 (Major)
21 July 1999	Karvia Kk, FI	monthly rain	62.3 mm (2.5 in)	26.2 mm (1.0 in)	20 years	59 of 100 (Notable)
21 July 1999	Alvundfjord, NO	monthly rain	82.0 mm (3.2 in)	32.0 mm (1.3 in)	17 years	59 of 100 (Notable)
21 July 1999	New Hampton, US	all-time rain	180.3 mm (7.1 in)	18.8 mm (0.7 in)	58 years	59 of 100 (Notable)
21 July 1999	Ciudad Guzman (Obs), MX	daily rain	47.8 mm (1.9 in)	32.8 mm (1.3 in)	50 years	57 of 100 (Notable)
21 July 1999	Loksmyr, NO	all-time rain	94.5 mm (3.7 in)	19.3 mm (0.8 in)	10 years	56 of 100 (Notable)
21 July 1999	Oksendal, NO	daily rain	38.9 mm (1.5 in)	27.8 mm (1.1 in)	18 years	55 of 100 (Notable)
21 July 1999	Rauland, NO	daily rain	36.0 mm (1.4 in)	10.0 mm (0.4 in)	96 years	53 of 100 (Notable)
21 July 1999	Sunndalsora III, NO	daily rain	46.9 mm (1.8 in)	30.2 mm (1.2 in)	28 years	52 of 100 (Notable)
21 July 1999	La Tuna 1 S, US	daily rain	45.7 mm (1.8 in)	28.4 mm (1.1 in)	50 years	52 of 100 (Notable)
21 July 1999	Falfurrias, US	daily rain	70.4 mm (2.8 in)	29.8 mm (1.2 in)	81 years	51 of 100 (Notable)
21 July 1999	Waucoma 1WNW, US	daily rain	94.0 mm (3.7 in)	77.2 mm (3.0 in)	20 years	50 of 100 (Notable)
21 July 1999	Necedah, US	daily rain	79.2 mm (3.1 in)	57.1 mm (2.2 in)	16 years	49 of 100 (Notable)
21 July 1999	Leinstrand, NO	daily rain	38.0 mm (1.5 in)	29.3 mm (1.2 in)	13 years	48 of 100 (Notable)
21 July 1999	Waukesha Wwtp, US	daily rain	44.7 mm (1.8 in)	15.0 mm (0.6 in)	92 years	48 of 100 (Notable)
21 July 1999	Bloomfield, US	all-time rain	107.2 mm (4.2 in)	5.6 mm (0.22 in)	49 years	47 of 100 (Notable)
21 July 1999	Orlinga, RU	all-time high min	20.3 C (68.5 F)	1.7 C (3.1 F)	53 years	45 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 814 records.

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

Records on 07-21 in each year
Year	Records
1794	1
1795	1
1796	1
1797	1
1813	2
1832	2
1837	1
1839	1
1843	1
1844	2
1854	1
1859	3
1865	3
1868	3
1872	1
1876	1
1879	2
1880	1
1881	1
1884	1
1885	1
1886	2
1888	2
1889	3
1890	2
1892	3
1893	3
1894	3
1895	1
1896	3
1897	4
1898	7
1899	2
1900	6
1901	13
1902	12
1903	10
1904	8
1905	13
1906	13
1907	12
1908	25
1909	18
1910	12
1911	37
1912	52
1913	41
1914	48
1915	81
1916	72
1917	136
1918	130
1919	51
1920	33
1921	55
1922	48
1923	132
1924	286
1925	202
1926	401
1927	191
1928	205
1929	360
1930	521
1931	549
1932	322
1933	208
1934	965
1935	236
1936	322
1937	253
1938	638
1939	415
1940	318
1941	226
1942	318
1943	253
1944	716
1945	300
1946	398
1947	795
1948	403
1949	603
1950	662
1951	427
1952	657
1953	351
1954	656
1955	582
1956	490
1957	447
1958	531
1959	940
1960	651
1961	388
1962	263
1963	470
1964	457
1965	748
1966	626
1967	313
1968	334
1969	636
1970	1,241
1971	475
1972	1,046
1973	871
1974	536
1975	380
1976	477
1977	708
1978	1,155
1979	964
1980	926
1981	1,352
1982	588
1983	1,234
1984	764
1985	554
1986	791
1987	1,025
1988	1,015
1989	973
1990	914
1991	812
1992	1,562
1993	866
1994	773
1995	1,247
1996	1,141
1997	849
1998	1,674
1999	814
2000	1,230
2001	889
2002	990
2003	1,250
2004	694
2005	1,420
2006	1,479
2007	1,145
2008	989
2009	1,306
2010	1,148
2011	1,414
2012	815
2013	526
2014	762
2015	704
2016	645
2017	433
2018	942
2019	755
2020	363
2021	574
2022	866
2023	816
2024	873
2025	881
2026	874

Download the Data

Data for records on 1999-07-21: 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 20	572
20 to 40	39
40 to 60	8
60 to 80	2
80 to 100	2