Weather Records on 30 July 1988

826 weather records were set or tied worldwide on 30 July 1988. Highest significance: Mansfield, US.

Key Facts for 30 July 1988

On 30 July 1988, 826 weather records were set or tied at long-record stations worldwide.
504 were record highs and 202 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 9 monthly and 811 daily.
Mansfield set a daily record precipitation of 69.9 mm (2.8 in) on 30 July 1988.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 438 records.

Record Map

826 stations

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

Weather records on 30 July 1988: highest significance records shown on the map
Station	Country	Type	Value	Significance
Mansfield	United States	Record daily precipitation	69.9 mm (2.8 in)	56 of 100 (Notable)
Lysebotn	Norway	Record daily precipitation	57.6 mm (2.3 in)	55 of 100 (Notable)
Rosendal	Norway	Record daily precipitation	77.1 mm (3.0 in)	52 of 100 (Notable)
Orskog	Norway	Record daily precipitation	44.5 mm (1.8 in)	49 of 100 (Notable)
Gen. Santos	Philippines	Record daily precipitation	50.0 mm (2.0 in)	49 of 100 (Notable)
Mesa	United States	Record daily precipitation	48.3 mm (1.9 in)	49 of 100 (Notable)
Detour Village	United States	Record high maximum temperature	35.0 C (95.0 F)	48 of 100 (Notable)
Lakeview 2 NNW	United States	Record high minimum temperature	20.0 C (68.0 F)	43 of 100 (Notable)
Baltimore Customs House	United States	Record high minimum temperature	27.2 C (81.0 F)	42 of 100 (Notable)
Buctzotz	Mexico	Record daily precipitation	69.9 mm (2.8 in)	40 of 100 (Notable)
Milaca	United States	Record daily precipitation	36.3 mm (1.4 in)	40 of 100 (Notable)
Victor 4 N	United States	Record daily precipitation	56.1 mm (2.2 in)	40 of 100 (Notable)
Atbasar	Kazakhstan	Record daily precipitation	34.6 mm (1.4 in)	39 of 100 (Notable)
Tiskilwa 2 SE	United States	Record high minimum temperature	23.3 C (73.9 F)	39 of 100 (Notable)
Klamath Falls 2 SSW	United States	Record high maximum temperature	38.3 C (100.9 F)	39 of 100 (Notable)
Kljuchi	Russia	Record high minimum temperature	18.4 C (65.1 F)	38 of 100 (Notable)
Goliad	United States	Record low maximum temperature	27.2 C (81.0 F)	38 of 100 (Notable)
Williston Sloulin Fld	United States	Record high maximum temperature	38.3 C (100.9 F)	38 of 100 (Notable)
E Tawas	United States	Record daily precipitation	78.0 mm (3.1 in)	37 of 100 (Notable)
Central Michigan UNIV	United States	Record high maximum temperature	37.8 C (100.0 F)	37 of 100 (Notable)
Wibaux 2 E	United States	Record high maximum temperature	40.0 C (104.0 F)	37 of 100 (Notable)
P-Ranch South Place	United States	Record high maximum temperature	36.7 C (98.1 F)	37 of 100 (Notable)
Newark Liberty Intl AP	United States	Record high minimum temperature	25.6 C (78.1 F)	37 of 100 (Notable)
Ny City Cntrl Park	United States	Record high minimum temperature	26.1 C (79.0 F)	37 of 100 (Notable)
Sejmchan	Russia	Record high minimum temperature	20.3 C (68.5 F)	36 of 100 (Notable)
Jarnbergsas	Sweden	Record daily precipitation	41.2 mm (1.6 in)	36 of 100 (Notable)
Steinhatchee 6 ENE	United States	Record high maximum temperature	41.1 C (106.0 F)	36 of 100 (Notable)
Detour Village	United States	Record high minimum temperature	19.4 C (66.9 F)	36 of 100 (Notable)
Klamath Falls 2 SSW	United States	Record high minimum temperature	19.4 C (66.9 F)	35 of 100 (Notable)
Kaycee	United States	Record high minimum temperature	18.3 C (64.9 F)	35 of 100 (Notable)
La Junta	Mexico	Record daily precipitation	43.9 mm (1.7 in)	34 of 100 (Routine)
Bulken	Norway	Record daily precipitation	32.9 mm (1.3 in)	34 of 100 (Routine)
Encinal	United States	Record low maximum temperature	30.0 C (86.0 F)	33 of 100 (Routine)
Kanalohuluhulu 1075	United States	Record low maximum temperature	13.3 C (55.9 F)	33 of 100 (Routine)
Srednekan	Russia	Record high minimum temperature	20.5 C (68.9 F)	32 of 100 (Routine)
Sar'ja	Russia	Record daily precipitation	47.2 mm (1.9 in)	32 of 100 (Routine)
Poplar 2 E	United States	Record high minimum temperature	22.2 C (72.0 F)	32 of 100 (Routine)
Johnstown	United States	Record high maximum temperature	35.6 C (96.1 F)	31 of 100 (Routine)
Ashland Exp Farm	United States	Record high maximum temperature	36.1 C (97.0 F)	31 of 100 (Routine)
Goldsboro 4 SE	United States	Record high minimum temperature	25.0 C (77.0 F)	31 of 100 (Routine)
Baltimore Customs House	United States	Record high maximum temperature	39.4 C (102.9 F)	31 of 100 (Routine)
Atenguillo	Mexico	Record daily precipitation	56.4 mm (2.2 in)	30 of 100 (Routine)
Litledal	Norway	Record daily precipitation	39.5 mm (1.6 in)	30 of 100 (Routine)
Dillon U of Montana Western	United States	Record high maximum temperature	36.1 C (97.0 F)	30 of 100 (Routine)
Deeth	United States	Record high minimum temperature	21.1 C (70.0 F)	30 of 100 (Routine)
Miyakejima	Japan	Record low maximum temperature	23.1 C (73.6 F)	29 of 100 (Routine)
Chumphon	Thailand	Record daily precipitation	39.9 mm (1.6 in)	29 of 100 (Routine)
Pine Rvr Dam	United States	Record high maximum temperature	35.6 C (96.1 F)	29 of 100 (Routine)
Ennis	United States	Record high maximum temperature	35.6 C (96.1 F)	29 of 100 (Routine)
Plevna	United States	Record high maximum temperature	41.1 C (106.0 F)	29 of 100 (Routine)
Mineola	United States	Record high maximum temperature	38.9 C (102.0 F)	29 of 100 (Routine)
Neshaminy Falls	United States	Record high maximum temperature	36.7 C (98.1 F)	29 of 100 (Routine)
Gillette 3SE	United States	Record high maximum temperature	37.8 C (100.0 F)	29 of 100 (Routine)
Hatanga	Russia	Record low maximum temperature	4.9 C (40.8 F)	28 of 100 (Routine)
Vacaville	United States	Record high minimum temperature	18.9 C (66.0 F)	28 of 100 (Routine)
Lerma	Mexico	Record daily precipitation	29.0 mm (1.1 in)	27 of 100 (Routine)
Ekimchan	Russia	Record high minimum temperature	16.9 C (62.4 F)	27 of 100 (Routine)
Imperial	United States	Record low maximum temperature	35.0 C (95.0 F)	27 of 100 (Routine)
McCloud	United States	Record high maximum temperature	40.0 C (104.0 F)	27 of 100 (Routine)
Caro Wwtp	United States	Record daily precipitation	26.9 mm (1.1 in)	27 of 100 (Routine)

Counts by Type and Timescale

826 records

Records set or tied on 30 July 1988 by type: Highest daily maximum 324, Lowest daily maximum 76, Highest daily minimum 180, Lowest daily minimum 126, Heaviest daily rainfall 120.

Records on 30 July 1988 by type
Record type	Records
Highest daily maximum	324
Lowest daily maximum	76
Highest daily minimum	180
Lowest daily minimum	126
Heaviest daily rainfall	120
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 1988 by timescale: all-time 6, monthly 9, daily 811.

How Much Records Were Beaten By

590 broken records

Margins by which the 590 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 59.5. Ties are not counted.

Top 20 by Significance

30 July 1988

Top 20 records on 30 July 1988 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 1988	Mansfield, US	daily rain	69.9 mm (2.8 in)	59.5 mm (2.3 in)	36 years	56 of 100 (Notable)
30 July 1988	Lysebotn, NO	daily rain	57.6 mm (2.3 in)	18.6 mm (0.7 in)	88 years	55 of 100 (Notable)
30 July 1988	Rosendal, NO	daily rain	77.1 mm (3.0 in)	49.1 mm (1.9 in)	24 years	52 of 100 (Notable)
30 July 1988	Orskog, NO	daily rain	44.5 mm (1.8 in)	32.7 mm (1.3 in)	22 years	49 of 100 (Notable)
30 July 1988	Gen. Santos, PH	daily rain	50.0 mm (2.0 in)	41.0 mm (1.6 in)	34 years	49 of 100 (Notable)
30 July 1988	Mesa, US	daily rain	48.3 mm (1.9 in)	34.3 mm (1.4 in)	9 years	49 of 100 (Notable)
30 July 1988	Detour Village, US	daily high max	35.0 C (95.0 F)	5.6 C (10.1 F)	80 years	48 of 100 (Notable)
30 July 1988	Lakeview 2 NNW, US	daily high min	20.0 C (68.0 F)	2.8 C (5.0 F)	87 years	43 of 100 (Notable)
30 July 1988	Baltimore Customs House, US	daily high min	27.2 C (81.0 F)	1.6 C (2.9 F)	87 years	42 of 100 (Notable)
30 July 1988	Buctzotz, MX	daily rain	69.9 mm (2.8 in)	49.1 mm (1.9 in)	3 years	40 of 100 (Notable)
30 July 1988	Milaca, US	daily rain	36.3 mm (1.4 in)	6.6 mm (0.26 in)	90 years	40 of 100 (Notable)
30 July 1988	Victor 4 N, US	daily rain	56.1 mm (2.2 in)	31.2 mm (1.2 in)	31 years	40 of 100 (Notable)
30 July 1988	Atbasar, KZ	daily rain	34.6 mm (1.4 in)	17.5 mm (0.7 in)	19 years	39 of 100 (Notable)
30 July 1988	Tiskilwa 2 SE, US	daily high min	23.3 C (73.9 F)	2.2 C (4.0 F)	80 years	39 of 100 (Notable)
30 July 1988	Klamath Falls 2 SSW, US	daily high max	38.3 C (100.9 F)	1.6 C (2.9 F)	87 years	39 of 100 (Notable)
30 July 1988	Kljuchi, RU	daily high min	18.4 C (65.1 F)	4.2 C (7.6 F)	55 years	38 of 100 (Notable)
30 July 1988	Goliad, US	daily low max	27.2 C (81.0 F)	5.6 C (10.1 F)	33 years	38 of 100 (Notable)
30 July 1988	Williston Sloulin Fld, US	daily high max	38.3 C (100.9 F)	0.5 C (0.9 F)	93 years	38 of 100 (Notable)
30 July 1988	E Tawas, US	daily rain	78.0 mm (3.1 in)	16.5 mm (0.6 in)	47 years	37 of 100 (Notable)
30 July 1988	Central Michigan UNIV, US	daily high max	37.8 C (100.0 F)	1.7 C (3.1 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 1988

Records set or tied on this calendar date in each year from 1794 to 1988. 1988 had 826 records.

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

Records on 07-30 in each year
Year	Records
1794	2
1797	1
1827	1
1828	2
1829	1
1830	1
1834	1
1837	2
1838	1
1840	1
1841	1
1843	1
1854	1
1857	1
1858	2
1860	4
1863	1
1867	1
1868	1
1869	2
1870	1
1874	2
1875	1
1876	1
1877	2
1879	1
1880	2
1885	3
1886	5
1887	6
1888	5
1889	1
1890	2
1891	1
1892	1
1893	10
1894	6
1895	2
1896	2
1897	4
1898	8
1899	2
1900	4
1901	11
1902	6
1903	25
1904	17
1905	29
1906	22
1907	11
1908	23
1909	30
1910	8
1911	54
1912	21
1913	34
1914	52
1915	26
1916	150
1917	93
1918	42
1919	19
1920	188
1921	193
1922	40
1923	428
1924	80
1925	275
1926	186
1927	109
1928	210
1929	221
1930	170
1931	432
1932	275
1933	451
1934	619
1935	340
1936	452
1937	245
1938	388
1939	395
1940	562
1941	371
1942	304
1943	397
1944	289
1945	299
1946	409
1947	394
1948	489
1949	512
1950	552
1951	322
1952	581
1953	345
1954	504
1955	787
1956	506
1957	289
1958	344
1959	391
1960	793
1961	511
1962	378
1963	308
1964	483
1965	978
1966	527
1967	282
1968	530
1969	506
1970	431
1971	2,319
1972	758
1973	434
1974	569
1975	1,048
1976	590
1977	641
1978	646
1979	761
1980	962
1981	851
1982	821
1983	904
1984	997
1985	1,029
1986	952
1987	1,084
1988	826
1989	1,227
1990	795
1991	734
1992	1,003
1993	965
1994	1,631
1995	1,207
1996	1,317
1997	933
1998	1,240
1999	1,456
2000	1,030
2001	1,400
2002	1,346
2003	1,163
2004	936
2005	788
2006	1,103
2007	1,160
2008	763
2009	1,328
2010	1,331
2011	1,003
2012	731
2013	737
2014	1,199
2015	682
2016	460
2017	464
2018	1,038
2019	486
2020	763
2021	839
2022	845
2023	683
2024	705
2025	869
2026	1,001

Download the Data

Data for records on 1988-07-30: 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 10	556
10 to 20	21
20 to 30	6
30 to 40	3
40 to 50	3
50 to 60	1