Weather Records on 12 September 1999

938 weather records were set or tied worldwide on 12 September 1999. Highest significance: Abelardo L. Rodriguez, MX.

Key Facts for 12 September 1999

On 12 September 1999, 938 weather records were set or tied at long-record stations worldwide.
627 were record highs and 172 were record lows, counting maximum and minimum temperature.
By timescale, 2 were all-time records, 38 monthly and 898 daily.
Abelardo L. Rodriguez set a daily record precipitation of 72.9 mm (2.9 in) on 12 September 1999.
Across 164 earlier years (1793 to 2026) the same calendar date averaged 410 records.

Record Map

938 stations

938 station records on 12 September 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 12 September 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Abelardo L. Rodriguez	Mexico	Record daily precipitation	72.9 mm (2.9 in)	56 of 100 (Notable)
Timovskoe	Russia	Record daily precipitation	49.6 mm (2.0 in)	56 of 100 (Notable)
Chicapa de Castro	Mexico	Record daily precipitation	216.9 mm (8.5 in)	48 of 100 (Notable)
Burbank	United States	Record daily precipitation	97.0 mm (3.8 in)	48 of 100 (Notable)
Dzana	Russia	Record daily precipitation	63.6 mm (2.5 in)	47 of 100 (Notable)
Uglegorsk	Russia	Record daily precipitation	46.4 mm (1.8 in)	46 of 100 (Notable)
Gisela	United States	Record daily precipitation	48.0 mm (1.9 in)	46 of 100 (Notable)
Woodward	United States	Record daily precipitation	36.1 mm (1.4 in)	45 of 100 (Notable)
San Jacinto	Mexico	Record low minimum temperature	11.7 C (53.1 F)	44 of 100 (Notable)
Ivdel	Russia	Record daily precipitation	37.4 mm (1.5 in)	44 of 100 (Notable)
Timovskoe	Russia	Record high minimum temperature	15.2 C (59.4 F)	44 of 100 (Notable)
Miracatu	Brazil	Record daily precipitation	52.1 mm (2.1 in)	42 of 100 (Notable)
Halmstad	Sweden	Record high maximum temperature	22.8 C (73.0 F)	42 of 100 (Notable)
Pawhuska	United States	Record daily precipitation	81.3 mm (3.2 in)	42 of 100 (Notable)
Lezay	France	Record daily precipitation	25.5 mm (1.0 in)	41 of 100 (Notable)
Palermo	Italy	Record daily precipitation	41.4 mm (1.6 in)	40 of 100 (Notable)
Schwerin	Germany	Record high minimum temperature	17.0 C (62.6 F)	39 of 100 (Notable)
Ajan	Russia	Record daily precipitation	84.1 mm (3.3 in)	39 of 100 (Notable)
Waren	Germany	Record high minimum temperature	17.2 C (63.0 F)	38 of 100 (Notable)
Utsira Fyr	Norway	Record high minimum temperature	17.7 C (63.9 F)	38 of 100 (Notable)
Poronajsk	Russia	Record high minimum temperature	15.6 C (60.1 F)	38 of 100 (Notable)
Wrixum/Fohr	Germany	Record high minimum temperature	18.0 C (64.4 F)	37 of 100 (Notable)
Abala	Mexico	Record daily precipitation	65.8 mm (2.6 in)	37 of 100 (Notable)
Aachen	Germany	Record high maximum temperature	31.4 C (88.5 F)	36 of 100 (Notable)
Kirchdorf/Poel	Germany	Record high minimum temperature	16.7 C (62.1 F)	36 of 100 (Notable)
The Dalles	United States	Record low minimum temperature	3.9 C (39.0 F)	36 of 100 (Notable)
Weatherford	United States	Record high minimum temperature	24.4 C (75.9 F)	36 of 100 (Notable)
Hamburg Fuhlsbuettel	Germany	Record high minimum temperature	17.0 C (62.6 F)	35 of 100 (Notable)
Huixtan (Cfe)	Mexico	Record daily precipitation	47.0 mm (1.9 in)	35 of 100 (Notable)
San Juanillo	Mexico	Record daily precipitation	79.0 mm (3.1 in)	35 of 100 (Notable)
Obrestad Fyr	Norway	Record high maximum temperature	21.4 C (70.5 F)	35 of 100 (Notable)
Finca la Soledad	Mexico	Record daily precipitation	103.9 mm (4.1 in)	34 of 100 (Routine)
Eelde	Netherlands	Record high maximum temperature	30.5 C (86.9 F)	34 of 100 (Routine)
Sola	Norway	Record high maximum temperature	24.0 C (75.2 F)	34 of 100 (Routine)
Vaernes	Norway	Record high maximum temperature	24.7 C (76.5 F)	34 of 100 (Routine)
Skovorodino	Russia	Record daily precipitation	27.7 mm (1.1 in)	34 of 100 (Routine)
Orland	Norway	Record high maximum temperature	22.5 C (72.5 F)	33 of 100 (Routine)
Tafjord	Norway	Record high minimum temperature	20.6 C (69.1 F)	33 of 100 (Routine)
Pilvo	Russia	Record daily precipitation	52.1 mm (2.1 in)	33 of 100 (Routine)
Chula Vista	United States	Record low minimum temperature	7.8 C (46.0 F)	33 of 100 (Routine)
Barnard	United States	Record daily precipitation	50.3 mm (2.0 in)	33 of 100 (Routine)
Las Margaritas	Mexico	Record daily precipitation	47.5 mm (1.9 in)	32 of 100 (Routine)
Lista Fyr	Norway	Record high maximum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
Nikolaevsk-Na-Amure	Russia	Record high minimum temperature	13.8 C (56.8 F)	32 of 100 (Routine)
Palco	United States	Record daily precipitation	40.6 mm (1.6 in)	32 of 100 (Routine)
Akola	India	Record daily precipitation	48.0 mm (1.9 in)	31 of 100 (Routine)
Palizada	Mexico	Record daily precipitation	101.9 mm (4.0 in)	31 of 100 (Routine)
Santo Domingo	Mexico	Record daily precipitation	109.5 mm (4.3 in)	31 of 100 (Routine)
San Nicolas	Mexico	Record low minimum temperature	10.0 C (50.0 F)	31 of 100 (Routine)
Sandane	Norway	Record high maximum temperature	24.8 C (76.6 F)	31 of 100 (Routine)
West Hartford Nepp	United States	Record daily precipitation	84.8 mm (3.3 in)	31 of 100 (Routine)
Cokato	United States	Record daily precipitation	46.5 mm (1.8 in)	31 of 100 (Routine)
Blackwell 1SSW	United States	Record daily precipitation	66.5 mm (2.6 in)	31 of 100 (Routine)
Abritas	Mexico	Record high minimum temperature	23.9 C (75.0 F)	30 of 100 (Routine)
Juan Rodriguez Clara	Mexico	Record daily precipitation	82.3 mm (3.2 in)	30 of 100 (Routine)
Great Bend 3WNW	United States	Record daily precipitation	36.6 mm (1.4 in)	30 of 100 (Routine)
List/Sylt	Germany	Record high minimum temperature	17.6 C (63.7 F)	29 of 100 (Routine)
Berlin-Tegel	Germany	Record high minimum temperature	16.8 C (62.2 F)	29 of 100 (Routine)
Eelde-1	Netherlands	Record high maximum temperature	30.5 C (86.9 F)	29 of 100 (Routine)
Nordby (Fano)	Denmark	Record high maximum temperature	25.6 C (78.1 F)	28 of 100 (Routine)

Counts by Type and Timescale

938 records

Records set or tied on 12 September 1999 by type: Highest daily maximum 390, Lowest daily maximum 51, Highest daily minimum 237, Lowest daily minimum 121, Heaviest daily rainfall 139.

Records on 12 September 1999 by type
Record type	Records
Highest daily maximum	390
Lowest daily maximum	51
Highest daily minimum	237
Lowest daily minimum	121
Heaviest daily rainfall	139
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 12 September 1999 by timescale: all-time 2, monthly 38, daily 898.

How Much Records Were Beaten By

762 broken records

Margins by which the 762 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 90.7. Ties are not counted.

Top 20 by Significance

12 September 1999

Top 20 records on 12 September 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
12 September 1999	Abelardo L. Rodriguez, MX	daily rain	72.9 mm (2.9 in)	44.5 mm (1.8 in)	52 years	56 of 100 (Notable)
12 September 1999	Timovskoe, RU	daily rain	49.6 mm (2.0 in)	26.0 mm (1.0 in)	48 years	56 of 100 (Notable)
12 September 1999	Chicapa de Castro, MX	all-time rain	216.9 mm (8.5 in)	32.5 mm (1.3 in)	39 years	48 of 100 (Notable)
12 September 1999	Burbank, US	daily rain	97.0 mm (3.8 in)	64.7 mm (2.5 in)	48 years	48 of 100 (Notable)
12 September 1999	Dzana, RU	monthly rain	63.6 mm (2.5 in)	16.2 mm (0.6 in)	37 years	47 of 100 (Notable)
12 September 1999	Uglegorsk, RU	daily rain	46.4 mm (1.8 in)	28.3 mm (1.1 in)	36 years	46 of 100 (Notable)
12 September 1999	Gisela, US	daily rain	48.0 mm (1.9 in)	27.4 mm (1.1 in)	40 years	46 of 100 (Notable)
12 September 1999	Woodward, US	daily rain	36.1 mm (1.4 in)	13.0 mm (0.5 in)	86 years	45 of 100 (Notable)
12 September 1999	San Jacinto, MX	monthly low min	11.7 C (53.1 F)	3.3 C (5.9 F)	45 years	44 of 100 (Notable)
12 September 1999	Ivdel, RU	daily rain	37.4 mm (1.5 in)	16.0 mm (0.6 in)	32 years	44 of 100 (Notable)
12 September 1999	Timovskoe, RU	daily high min	15.2 C (59.4 F)	1.9 C (3.4 F)	107 years	44 of 100 (Notable)
12 September 1999	Miracatu, BR	daily rain	52.1 mm (2.1 in)	33.0 mm (1.3 in)	2 years	42 of 100 (Notable)
12 September 1999	Halmstad, SE	daily high max	22.8 C (73.0 F)	0.8 C (1.4 F)	115 years	42 of 100 (Notable)
12 September 1999	Pawhuska, US	daily rain	81.3 mm (3.2 in)	58.7 mm (2.3 in)	24 years	42 of 100 (Notable)
12 September 1999	Lezay, FR	daily rain	25.5 mm (1.0 in)	11.8 mm (0.5 in)	64 years	41 of 100 (Notable)
12 September 1999	Palermo, IT	daily rain	41.4 mm (1.6 in)	0.3 mm (0.01 in)	132 years	40 of 100 (Notable)
12 September 1999	Schwerin, DE	daily high min	17.0 C (62.6 F)	1.5 C (2.7 F)	80 years	39 of 100 (Notable)
12 September 1999	Ajan, RU	daily rain	84.1 mm (3.3 in)	43.1 mm (1.7 in)	44 years	39 of 100 (Notable)
12 September 1999	Waren, DE	daily high min	17.2 C (63.0 F)	1.3 C (2.3 F)	80 years	38 of 100 (Notable)
12 September 1999	Utsira Fyr, NO	daily high min	17.7 C (63.9 F)	3.0 C (5.4 F)	48 years	38 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

1793 to 1999

Records set or tied on this calendar date in each year from 1793 to 1999. 1999 had 938 records.

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

Records on 09-12 in each year
Year	Records
1793	2
1809	1
1813	1
1814	2
1834	1
1837	2
1839	1
1847	1
1848	1
1854	4
1859	2
1860	2
1865	2
1866	1
1867	1
1868	2
1869	1
1872	2
1876	1
1878	1
1880	1
1881	1
1882	1
1884	2
1885	2
1886	1
1887	2
1888	2
1889	1
1891	4
1892	1
1893	4
1894	1
1895	5
1896	2
1897	3
1898	3
1899	4
1900	1
1901	5
1902	11
1903	18
1904	7
1905	8
1906	24
1907	11
1908	12
1909	11
1910	4
1911	15
1912	20
1913	12
1914	49
1915	71
1916	21
1917	231
1918	42
1919	69
1920	49
1921	60
1922	136
1923	33
1924	177
1925	443
1926	89
1927	339
1928	155
1929	118
1930	198
1931	648
1932	199
1933	360
1934	176
1935	441
1936	515
1937	318
1938	332
1939	702
1940	891
1941	172
1942	337
1943	544
1944	393
1945	414
1946	302
1947	596
1948	292
1949	512
1950	578
1951	399
1952	575
1953	515
1954	313
1955	457
1956	389
1957	727
1958	783
1959	536
1960	772
1961	750
1962	407
1963	466
1964	836
1965	459
1966	416
1967	510
1968	428
1969	558
1970	619
1971	593
1972	430
1973	588
1974	575
1975	1,102
1976	539
1977	524
1978	952
1979	765
1980	511
1981	424
1982	993
1983	915
1984	700
1985	876
1986	787
1987	686
1988	997
1989	1,313
1990	1,001
1991	672
1992	767
1993	798
1994	550
1995	532
1996	1,014
1997	737
1998	1,770
1999	938
2000	1,188
2001	797
2002	883
2003	830
2004	653
2005	1,032
2006	963
2007	776
2008	1,213
2009	876
2010	939
2011	988
2012	639
2013	1,066
2014	1,374
2015	704
2016	748
2017	1,114
2018	595
2019	884
2020	566
2021	513
2022	739
2023	844
2024	1,009
2025	433
2026	627

Download the Data

Data for records on 1999-09-12: 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	729
20 to 40	22
40 to 60	9
60 to 80	1
80 to 100	1