Weather Records on 30 September 1988

453 weather records were set or tied worldwide on 30 September 1988. Highest significance: Barra Do Funchal, BR.

Key Facts for 30 September 1988

On 30 September 1988, 453 weather records were set or tied at long-record stations worldwide.
223 were record highs and 74 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 37 monthly and 416 daily.
Barra Do Funchal set a daily record precipitation of 56.5 mm (2.2 in) on 30 September 1988.
Across 161 earlier years (1806 to 2026) the same calendar date averaged 439 records.

Record Map

453 stations

453 station records on 30 September 1988 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 September 1988: highest significance records shown on the map
Station	Country	Type	Value	Significance
Barra Do Funchal	Brazil	Record daily precipitation	56.5 mm (2.2 in)	56 of 100 (Notable)
Hamilton	United States	Record daily precipitation	121.9 mm (4.8 in)	49 of 100 (Notable)
Tewantin Post Office	Australia	Record high maximum temperature	34.1 C (93.4 F)	47 of 100 (Notable)
Lakeview 2 NNW	United States	Record high minimum temperature	12.8 C (55.0 F)	46 of 100 (Notable)
Gatesville	United States	Record daily precipitation	126.2 mm (5.0 in)	46 of 100 (Notable)
Vardo	Norway	Record daily precipitation	26.0 mm (1.0 in)	45 of 100 (Notable)
Venice	United States	Record high minimum temperature	27.8 C (82.0 F)	44 of 100 (Notable)
Georgetown Post Office	Australia	Record high maximum temperature	39.5 C (103.1 F)	43 of 100 (Notable)
Lagoa Grande (Mmv)	Brazil	Record daily precipitation	62.1 mm (2.4 in)	43 of 100 (Notable)
Mineracao Morro Velho	Brazil	Record daily precipitation	64.0 mm (2.5 in)	42 of 100 (Notable)
Buffalo	United States	Record daily precipitation	55.9 mm (2.2 in)	42 of 100 (Notable)
Horto Florestal	Brazil	Record daily precipitation	75.0 mm (3.0 in)	41 of 100 (Notable)
Hambantota	Sri Lanka	Record high maximum temperature	34.7 C (94.5 F)	41 of 100 (Notable)
Finca Chayabe	Mexico	Record daily precipitation	106.9 mm (4.2 in)	41 of 100 (Notable)
Piacaguera (Efsj)	Brazil	Record daily precipitation	120.2 mm (4.7 in)	39 of 100 (Notable)
Arcadia	United States	Record high minimum temperature	20.6 C (69.1 F)	39 of 100 (Notable)
Yautepec	Mexico	Record high maximum temperature	35.0 C (95.0 F)	37 of 100 (Notable)
Boulia Airport	Australia	Record high minimum temperature	26.6 C (79.9 F)	36 of 100 (Notable)
Jaguaruna-Jusante (on?A)	Brazil	Record daily precipitation	63.0 mm (2.5 in)	36 of 100 (Notable)
Nagpur Sonegaon	India	Record daily precipitation	56.9 mm (2.2 in)	36 of 100 (Notable)
Mammoth Spring	United States	Record daily precipitation	72.1 mm (2.8 in)	36 of 100 (Notable)
Kanalohuluhulu 1075	United States	Record low minimum temperature	4.4 C (39.9 F)	36 of 100 (Notable)
Burketown Post Office	Australia	Record high maximum temperature	38.3 C (100.9 F)	35 of 100 (Notable)
Emerald Post Office	Australia	Record high maximum temperature	39.7 C (103.5 F)	35 of 100 (Notable)
Ellington	United States	Record daily precipitation	58.9 mm (2.3 in)	35 of 100 (Notable)
Rio Do Peixe (Mmv)	Brazil	Record daily precipitation	64.0 mm (2.5 in)	33 of 100 (Routine)
Ocozocoautla	Mexico	Record daily precipitation	68.8 mm (2.7 in)	33 of 100 (Routine)
Batesville Lvstk	United States	Record daily precipitation	64.8 mm (2.6 in)	33 of 100 (Routine)
Dalby Post Office	Australia	Record high maximum temperature	35.8 C (96.4 F)	32 of 100 (Routine)
Prescott 2 NNW	United States	Record daily precipitation	56.4 mm (2.2 in)	32 of 100 (Routine)
Alice	United States	Record daily precipitation	91.4 mm (3.6 in)	32 of 100 (Routine)
Beeville 5 NE	United States	Record daily precipitation	60.5 mm (2.4 in)	32 of 100 (Routine)
McGregor	United States	Record daily precipitation	57.9 mm (2.3 in)	32 of 100 (Routine)
Caixa de Areia	Brazil	Record daily precipitation	76.0 mm (3.0 in)	31 of 100 (Routine)
Ponte Nova Do Paraopeba	Brazil	Record daily precipitation	54.8 mm (2.2 in)	31 of 100 (Routine)
Motul	Mexico	Record daily precipitation	72.9 mm (2.9 in)	31 of 100 (Routine)
Orleans	United States	Record high maximum temperature	37.2 C (99.0 F)	31 of 100 (Routine)
Richmond Post Office	Australia	Record high minimum temperature	25.3 C (77.5 F)	30 of 100 (Routine)
Fazenda Ajudas	Brazil	Record daily precipitation	42.4 mm (1.7 in)	30 of 100 (Routine)
Mullheim	Germany	Record daily precipitation	27.9 mm (1.1 in)	30 of 100 (Routine)
San Juan de Los Planes	Mexico	Record high maximum temperature	41.7 C (107.1 F)	30 of 100 (Routine)
Greenbrier	United States	Record daily precipitation	57.2 mm (2.3 in)	30 of 100 (Routine)
Renison Bell	Australia	Record daily precipitation	28.0 mm (1.1 in)	29 of 100 (Routine)
Tularosa	United States	Record low minimum temperature	3.9 C (39.0 F)	29 of 100 (Routine)
Taroom Post Office	Australia	Record high maximum temperature	38.7 C (101.7 F)	28 of 100 (Routine)
Atoyac	Mexico	Record high maximum temperature	33.9 C (93.0 F)	28 of 100 (Routine)
El Platanito	Mexico	Record low maximum temperature	22.8 C (73.0 F)	28 of 100 (Routine)
Keo	United States	Record daily precipitation	68.6 mm (2.7 in)	28 of 100 (Routine)
Venice	United States	Record high maximum temperature	36.1 C (97.0 F)	28 of 100 (Routine)
Barber	United States	Record high minimum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Fazenda Escola Florestal	Brazil	Record daily precipitation	46.5 mm (1.8 in)	27 of 100 (Routine)
Cleburne	United States	Record daily precipitation	43.4 mm (1.7 in)	27 of 100 (Routine)
Isisford Post Office	Australia	Record high minimum temperature	24.8 C (76.6 F)	26 of 100 (Routine)
Sabara	Brazil	Record daily precipitation	36.4 mm (1.4 in)	26 of 100 (Routine)
Durango (Dge)	Mexico	Record daily precipitation	53.8 mm (2.1 in)	26 of 100 (Routine)
Rapelje	United States	Record high minimum temperature	13.9 C (57.0 F)	26 of 100 (Routine)
Freeport 2 NW	United States	Record daily precipitation	71.1 mm (2.8 in)	26 of 100 (Routine)
Munising	United States	Record high minimum temperature	13.9 C (57.0 F)	25 of 100 (Routine)
Ingenio Tamazula	Mexico	Record daily precipitation	36.6 mm (1.4 in)	24 of 100 (Routine)
Tot-Ma	Russia	Record high minimum temperature	12.4 C (54.3 F)	24 of 100 (Routine)

Counts by Type and Timescale

453 records

Records set or tied on 30 September 1988 by type: Highest daily maximum 128, Lowest daily maximum 39, Highest daily minimum 95, Lowest daily minimum 35, Heaviest daily rainfall 156.

Records on 30 September 1988 by type
Record type	Records
Highest daily maximum	128
Lowest daily maximum	39
Highest daily minimum	95
Lowest daily minimum	35
Heaviest daily rainfall	156
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 September 1988 by timescale: all-time 0, monthly 37, daily 416.

How Much Records Were Beaten By

359 broken records

Margins by which the 359 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 112.2. Ties are not counted.

Top 20 by Significance

30 September 1988

Top 20 records on 30 September 1988 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 September 1988	Barra Do Funchal, BR	daily rain	56.5 mm (2.2 in)	46.5 mm (1.8 in)	42 years	56 of 100 (Notable)
30 September 1988	Hamilton, US	daily rain	121.9 mm (4.8 in)	112.2 mm (4.4 in)	8 years	49 of 100 (Notable)
30 September 1988	Tewantin Post Office, AU	monthly high max	34.1 C (93.4 F)	0.8 C (1.4 F)	84 years	47 of 100 (Notable)
30 September 1988	Lakeview 2 NNW, US	daily high min	12.8 C (55.0 F)	2.8 C (5.0 F)	99 years	46 of 100 (Notable)
30 September 1988	Gatesville, US	daily rain	126.2 mm (5.0 in)	91.9 mm (3.6 in)	3 years	46 of 100 (Notable)
30 September 1988	Vardo, NO	daily rain	26.0 mm (1.0 in)	15.0 mm (0.6 in)	34 years	45 of 100 (Notable)
30 September 1988	Venice, US	daily high min	27.8 C (82.0 F)	4.5 C (8.1 F)	23 years	44 of 100 (Notable)
30 September 1988	Georgetown Post Office, AU	monthly high max	39.5 C (103.1 F)	0.1 C (0.2 F)	81 years	43 of 100 (Notable)
30 September 1988	Lagoa Grande (Mmv), BR	monthly rain	62.1 mm (2.4 in)	15.9 mm (0.6 in)	46 years	43 of 100 (Notable)
30 September 1988	Mineracao Morro Velho, BR	daily rain	64.0 mm (2.5 in)	29.7 mm (1.2 in)	37 years	42 of 100 (Notable)
30 September 1988	Buffalo, US	daily rain	55.9 mm (2.2 in)	50.6 mm (2.0 in)	45 years	42 of 100 (Notable)
30 September 1988	Horto Florestal, BR	monthly rain	75.0 mm (3.0 in)	21.6 mm (0.9 in)	20 years	41 of 100 (Notable)
30 September 1988	Hambantota, LK	daily high max	34.7 C (94.5 F)	0.3 C (0.5 F)	117 years	41 of 100 (Notable)
30 September 1988	Finca Chayabe, MX	daily rain	106.9 mm (4.2 in)	57.6 mm (2.3 in)	31 years	41 of 100 (Notable)
30 September 1988	Piacaguera (Efsj), BR	daily rain	120.2 mm (4.7 in)	44.0 mm (1.7 in)	34 years	39 of 100 (Notable)
30 September 1988	Arcadia, US	daily high min	20.6 C (69.1 F)	2.3 C (4.1 F)	89 years	39 of 100 (Notable)
30 September 1988	Yautepec, MX	daily high max	35.0 C (95.0 F)	5.0 C (9.0 F)	30 years	37 of 100 (Notable)
30 September 1988	Boulia Airport, AU	monthly high min	26.6 C (79.9 F)	1.4 C (2.5 F)	46 years	36 of 100 (Notable)
30 September 1988	Jaguaruna-Jusante (on?A), BR	monthly rain	63.0 mm (2.5 in)	18.8 mm (0.7 in)	19 years	36 of 100 (Notable)
30 September 1988	Nagpur Sonegaon, IN	daily rain	56.9 mm (2.2 in)	50.9 mm (2.0 in)	20 years	36 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

1806 to 1988

Records set or tied on this calendar date in each year from 1806 to 1988. 1988 had 453 records.

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

Records on 09-30 in each year
Year	Records
1806	1
1813	1
1817	1
1819	2
1834	1
1841	1
1842	1
1847	1
1853	1
1854	1
1855	1
1861	1
1862	1
1866	1
1868	2
1869	3
1870	1
1874	1
1877	1
1878	1
1881	5
1883	2
1885	1
1886	3
1887	1
1888	4
1889	1
1892	2
1893	3
1894	8
1895	5
1896	2
1897	3
1898	3
1899	12
1900	4
1901	11
1902	7
1903	9
1904	14
1905	25
1906	14
1907	16
1908	18
1909	10
1910	5
1911	47
1912	47
1913	10
1914	33
1915	84
1916	209
1917	19
1918	45
1919	28
1920	71
1921	61
1922	71
1923	183
1924	243
1925	211
1926	194
1927	486
1928	560
1929	181
1930	110
1931	225
1932	363
1933	437
1934	398
1935	209
1936	432
1937	417
1938	428
1939	371
1940	316
1941	482
1942	405
1943	404
1944	369
1945	889
1946	320
1947	433
1948	267
1949	366
1950	731
1951	597
1952	504
1953	1,136
1954	1,059
1955	406
1956	350
1957	663
1958	442
1959	1,159
1960	161
1961	618
1962	202
1963	818
1964	332
1965	459
1966	592
1967	859
1968	449
1969	465
1970	334
1971	1,359
1972	676
1973	407
1974	742
1975	686
1976	775
1977	870
1978	399
1979	479
1980	832
1981	688
1982	806
1983	1,102
1984	1,267
1985	1,892
1986	1,805
1987	649
1988	453
1989	713
1990	665
1991	949
1992	980
1993	988
1994	816
1995	1,061
1996	1,396
1997	729
1998	1,206
1999	1,144
2000	887
2001	699
2002	677
2003	1,079
2004	573
2005	761
2006	617
2007	841
2008	585
2009	826
2010	1,059
2011	1,258
2012	637
2013	634
2014	529
2015	997
2016	746
2017	404
2018	717
2019	2,192
2020	554
2021	823
2022	563
2023	1,012
2024	948
2025	559
2026	529

Download the Data

Data for records on 1988-09-30: 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	327
20 to 40	24
40 to 60	6
60 to 80	0
80 to 100	1
100 to 120	1