Weather Records on 28 September 1999

1,533 weather records were set or tied worldwide on 28 September 1999. Highest significance: Carrollton, US.

Key Facts for 28 September 1999

On 28 September 1999, 1,533 weather records were set or tied at long-record stations worldwide.
665 were record highs and 362 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 61 monthly and 1,472 daily.
Carrollton set a daily record precipitation of 120.7 mm (4.8 in) on 28 September 1999.
Across 162 earlier years (1794 to 2026) the same calendar date averaged 421 records.

Record Map

1,533 stations

1,533 station records on 28 September 1999 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 28 September 1999: highest significance records shown on the map
Station	Country	Type	Value	Significance
Carrollton	United States	Record daily precipitation	120.7 mm (4.8 in)	79 of 100 (Major)
Steamboat Springs	United States	Record daily precipitation	40.6 mm (1.6 in)	71 of 100 (Major)
Keokuk L&D 19	United States	Record daily precipitation	95.0 mm (3.7 in)	71 of 100 (Major)
Aledo	United States	Record daily precipitation	86.4 mm (3.4 in)	67 of 100 (Major)
Dixon Wwtp	United States	Record daily precipitation	85.3 mm (3.4 in)	66 of 100 (Major)
Swainsboro	United States	Record daily precipitation	136.1 mm (5.4 in)	65 of 100 (Major)
Keithsburg	United States	Record daily precipitation	93.5 mm (3.7 in)	62 of 100 (Major)
New Boston Dam 17	United States	Record daily precipitation	86.4 mm (3.4 in)	62 of 100 (Major)
Donnellson	United States	Record daily precipitation	86.4 mm (3.4 in)	62 of 100 (Major)
Mio Hydro Plt	United States	Record daily precipitation	43.2 mm (1.7 in)	62 of 100 (Major)
Racine Wwtp	United States	Record daily precipitation	76.5 mm (3.0 in)	62 of 100 (Major)
Wapello	United States	Record daily precipitation	86.1 mm (3.4 in)	61 of 100 (Major)
Steffenville	United States	Record daily precipitation	95.3 mm (3.8 in)	61 of 100 (Major)
Elgin Water	United States	Record daily precipitation	81.3 mm (3.2 in)	60 of 100 (Major)
Canton L&D 20	United States	Record daily precipitation	92.7 mm (3.6 in)	60 of 100 (Major)
Lake Geneva Wwtp	United States	Record daily precipitation	82.0 mm (3.2 in)	60 of 100 (Major)
Ixtepec	Mexico	Record daily precipitation	212.6 mm (8.4 in)	58 of 100 (Notable)
Keosauqua	United States	Record daily precipitation	77.5 mm (3.1 in)	57 of 100 (Notable)
Burlington Wwtp	United States	Record daily precipitation	70.1 mm (2.8 in)	57 of 100 (Notable)
Hoopeston	United States	Record daily precipitation	76.7 mm (3.0 in)	56 of 100 (Notable)
Downing	United States	Record daily precipitation	66.8 mm (2.6 in)	56 of 100 (Notable)
Rocky Mt 8 ESE	United States	Record daily precipitation	121.4 mm (4.8 in)	56 of 100 (Notable)
Saginaw Mbs Intl AP	United States	Record daily precipitation	79.8 mm (3.1 in)	56 of 100 (Notable)
Antioch	United States	Record daily precipitation	76.2 mm (3.0 in)	54 of 100 (Notable)
South Pass City	United States	Record daily snowfall	7.6 cm (3.0 in)	54 of 100 (Notable)
Chicapa de Castro	Mexico	Record daily precipitation	158.0 mm (6.2 in)	53 of 100 (Notable)
Paw Paw 2S	United States	Record daily precipitation	85.3 mm (3.4 in)	53 of 100 (Notable)
Peru	United States	Record daily precipitation	72.1 mm (2.8 in)	53 of 100 (Notable)
Edina	United States	Record daily precipitation	109.7 mm (4.3 in)	53 of 100 (Notable)
Clarksville	United States	Record daily precipitation	83.8 mm (3.3 in)	53 of 100 (Notable)
Telpatlan	Mexico	Record daily precipitation	96.8 mm (3.8 in)	52 of 100 (Notable)
Avon	United States	Record daily precipitation	101.6 mm (4.0 in)	52 of 100 (Notable)
Bloomfield	United States	Record daily precipitation	61.5 mm (2.4 in)	52 of 100 (Notable)
Sumner 3 SW	United States	Record daily precipitation	103.6 mm (4.1 in)	52 of 100 (Notable)
Del Norte 3ENE	United States	Record low minimum temperature	-9.4 C (15.1 F)	51 of 100 (Notable)
Yarras (Mount Seaview)	Australia	Record daily precipitation	75.6 mm (3.0 in)	50 of 100 (Notable)
Zametchino	Russia	Record daily precipitation	36.9 mm (1.5 in)	50 of 100 (Notable)
Garnett 1 E	United States	Record daily precipitation	109.5 mm (4.3 in)	50 of 100 (Notable)
Montague 4 NW	United States	Record daily precipitation	28.2 mm (1.1 in)	50 of 100 (Notable)
Inza	Russia	Record daily precipitation	32.3 mm (1.3 in)	49 of 100 (Notable)
Paola	United States	Record daily precipitation	91.9 mm (3.6 in)	49 of 100 (Notable)
Waukegan	United States	Record daily precipitation	63.0 mm (2.5 in)	48 of 100 (Notable)
Clinton #1	United States	Record daily precipitation	60.5 mm (2.4 in)	48 of 100 (Notable)
Le Claire L&D 14	United States	Record daily precipitation	68.6 mm (2.7 in)	48 of 100 (Notable)
Concordia	United States	Record daily precipitation	86.9 mm (3.4 in)	48 of 100 (Notable)
Polo	United States	Record daily precipitation	70.6 mm (2.8 in)	48 of 100 (Notable)
Charleston Intl AP	United States	Record daily precipitation	126.0 mm (5.0 in)	48 of 100 (Notable)
Akron 4 E	United States	Record daily snowfall	5.1 cm (2.0 in)	47 of 100 (Notable)
Gibbonsville	United States	Record daily snowfall	5.1 cm (2.0 in)	47 of 100 (Notable)
Coloma	United States	Record daily precipitation	79.8 mm (3.1 in)	47 of 100 (Notable)
Memphis	United States	Record daily precipitation	71.1 mm (2.8 in)	47 of 100 (Notable)
Geneseo	United States	Record daily precipitation	61.7 mm (2.4 in)	46 of 100 (Notable)
Mattoon	United States	Record daily precipitation	53.1 mm (2.1 in)	46 of 100 (Notable)
Morrison	United States	Record daily precipitation	78.7 mm (3.1 in)	46 of 100 (Notable)
Kenosha Wwtp	United States	Record daily precipitation	51.6 mm (2.0 in)	46 of 100 (Notable)
Monmouth	United States	Record daily precipitation	86.9 mm (3.4 in)	45 of 100 (Notable)
Ottawa 4SW	United States	Record daily precipitation	59.7 mm (2.4 in)	45 of 100 (Notable)
Sweet Springs	United States	Record daily precipitation	79.2 mm (3.1 in)	45 of 100 (Notable)
Greenville	United States	Record daily precipitation	83.1 mm (3.3 in)	45 of 100 (Notable)
Tryon	United States	Record daily precipitation	106.7 mm (4.2 in)	45 of 100 (Notable)

Counts by Type and Timescale

1,533 records

Records set or tied on 28 September 1999 by type: Highest daily maximum 253, Lowest daily maximum 105, Highest daily minimum 412, Lowest daily minimum 257, Heaviest daily rainfall 470, Heaviest daily snowfall 22, Deepest snow cover 14.

Records on 28 September 1999 by type
Record type	Records
Highest daily maximum	253
Lowest daily maximum	105
Highest daily minimum	412
Lowest daily minimum	257
Heaviest daily rainfall	470
Heaviest daily snowfall	22
Deepest snow cover	14

Records on 28 September 1999 by timescale: all-time 0, monthly 61, daily 1,472.

How Much Records Were Beaten By

1,216 broken records

Margins by which the 1,216 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 152.0. Ties are not counted.

Top 20 by Significance

28 September 1999

Top 20 records on 28 September 1999 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 September 1999	Carrollton, US	daily rain	120.7 mm (4.8 in)	102.7 mm (4.0 in)	98 years	79 of 100 (Major)
28 September 1999	Steamboat Springs, US	daily rain	40.6 mm (1.6 in)	26.1 mm (1.0 in)	72 years	71 of 100 (Major)
28 September 1999	Keokuk L&D 19, US	daily rain	95.0 mm (3.7 in)	58.4 mm (2.3 in)	80 years	71 of 100 (Major)
28 September 1999	Aledo, US	daily rain	86.4 mm (3.4 in)	47.3 mm (1.9 in)	92 years	67 of 100 (Major)
28 September 1999	Dixon Wwtp, US	daily rain	85.3 mm (3.4 in)	59.4 mm (2.3 in)	53 years	66 of 100 (Major)
28 September 1999	Swainsboro, US	monthly rain	136.1 mm (5.4 in)	62.4 mm (2.5 in)	23 years	65 of 100 (Major)
28 September 1999	Keithsburg, US	daily rain	93.5 mm (3.7 in)	76.2 mm (3.0 in)	40 years	62 of 100 (Major)
28 September 1999	New Boston Dam 17, US	daily rain	86.4 mm (3.4 in)	68.9 mm (2.7 in)	53 years	62 of 100 (Major)
28 September 1999	Donnellson, US	daily rain	86.4 mm (3.4 in)	64.8 mm (2.6 in)	53 years	62 of 100 (Major)
28 September 1999	Mio Hydro Plt, US	daily rain	43.2 mm (1.7 in)	25.4 mm (1.0 in)	72 years	62 of 100 (Major)
28 September 1999	Racine Wwtp, US	daily rain	76.5 mm (3.0 in)	43.5 mm (1.7 in)	72 years	62 of 100 (Major)
28 September 1999	Wapello, US	daily rain	86.1 mm (3.4 in)	40.4 mm (1.6 in)	88 years	61 of 100 (Major)
28 September 1999	Steffenville, US	daily rain	95.3 mm (3.8 in)	55.7 mm (2.2 in)	53 years	61 of 100 (Major)
28 September 1999	Elgin Water, US	daily rain	81.3 mm (3.2 in)	47.5 mm (1.9 in)	53 years	60 of 100 (Major)
28 September 1999	Canton L&D 20, US	daily rain	92.7 mm (3.6 in)	56.9 mm (2.2 in)	54 years	60 of 100 (Major)
28 September 1999	Lake Geneva Wwtp, US	daily rain	82.0 mm (3.2 in)	47.7 mm (1.9 in)	53 years	60 of 100 (Major)
28 September 1999	Ixtepec, MX	daily rain	212.6 mm (8.4 in)	121.7 mm (4.8 in)	44 years	58 of 100 (Notable)
28 September 1999	Keosauqua, US	daily rain	77.5 mm (3.1 in)	36.9 mm (1.5 in)	88 years	57 of 100 (Notable)
28 September 1999	Burlington Wwtp, US	daily rain	70.1 mm (2.8 in)	54.4 mm (2.1 in)	40 years	57 of 100 (Notable)
28 September 1999	Hoopeston, US	daily rain	76.7 mm (3.0 in)	40.6 mm (1.6 in)	53 years	56 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 1,533 records.

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

Records on 09-28 in each year
Year	Records
1794	1
1826	1
1832	1
1849	2
1851	1
1854	2
1855	2
1859	1
1862	1
1864	1
1866	1
1867	3
1868	1
1869	2
1873	3
1874	3
1877	3
1878	1
1879	1
1880	2
1881	3
1883	2
1884	1
1885	4
1887	1
1888	1
1890	4
1891	2
1892	3
1893	1
1894	6
1895	5
1896	3
1897	5
1898	4
1899	6
1900	9
1901	2
1902	5
1903	19
1904	17
1905	17
1906	37
1907	27
1908	23
1909	16
1910	39
1911	62
1912	32
1913	37
1914	28
1915	57
1916	61
1917	35
1918	55
1919	38
1920	23
1921	39
1922	34
1923	150
1924	139
1925	191
1926	305
1927	194
1928	205
1929	432
1930	116
1931	233
1932	195
1933	459
1934	237
1935	282
1936	502
1937	313
1938	311
1939	552
1940	419
1941	479
1942	1,187
1943	440
1944	367
1945	1,034
1946	347
1947	647
1948	617
1949	359
1950	233
1951	441
1952	366
1953	842
1954	512
1955	409
1956	590
1957	695
1958	509
1959	874
1960	226
1961	385
1962	705
1963	666
1964	723
1965	582
1966	477
1967	978
1968	262
1969	244
1970	932
1971	954
1972	671
1973	886
1974	583
1975	502
1976	900
1977	784
1978	513
1979	915
1980	750
1981	752
1982	1,001
1983	941
1984	1,326
1985	1,189
1986	1,264
1987	825
1988	623
1989	847
1990	414
1991	821
1992	643
1993	627
1994	836
1995	794
1996	1,069
1997	681
1998	1,541
1999	1,533
2000	652
2001	791
2002	743
2003	929
2004	852
2005	1,088
2006	704
2007	837
2008	536
2009	792
2010	1,139
2011	1,025
2012	624
2013	790
2014	878
2015	673
2016	520
2017	755
2018	527
2019	1,388
2020	531
2021	740
2022	727
2023	772
2024	1,364
2025	464
2026	531

Download the Data

Data for records on 1999-09-28: 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	1,053
20 to 40	86
40 to 60	45
60 to 80	19
80 to 100	6
100 to 120	4
120 to 140	2
140 to 160	1