Weather Records on 31 July 1988

940 weather records were set or tied worldwide on 31 July 1988. Highest significance: Quartzsite, US.

Key Facts for 31 July 1988

On 31 July 1988, 940 weather records were set or tied at long-record stations worldwide.
598 were record highs and 204 were record lows, counting maximum and minimum temperature.
By timescale, 24 were all-time records, 15 monthly and 901 daily.
Quartzsite set a daily record precipitation of 29.7 mm (1.2 in) on 31 July 1988.
Across 155 earlier years (1804 to 2026) the same calendar date averaged 468 records.

Record Map

940 stations

940 station records on 31 July 1988 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 July 1988: highest significance records shown on the map
Station	Country	Type	Value	Significance
Quartzsite	United States	Record daily precipitation	29.7 mm (1.2 in)	67 of 100 (Major)
Jemez Springs	United States	Record daily precipitation	42.7 mm (1.7 in)	63 of 100 (Major)
Aleksandrovskij Zav	Russia	Record daily precipitation	77.2 mm (3.0 in)	57 of 100 (Notable)
Ft Ripley	United States	Record daily precipitation	72.4 mm (2.9 in)	53 of 100 (Notable)
Reedsburg Wwtp	United States	Record high maximum temperature	40.0 C (104.0 F)	51 of 100 (Notable)
Zimapan	Mexico	Record daily precipitation	97.8 mm (3.9 in)	50 of 100 (Notable)
Madison 3NNW	United States	Record daily precipitation	85.1 mm (3.4 in)	50 of 100 (Notable)
Montevideo 1SW	United States	Record high maximum temperature	43.3 C (109.9 F)	49 of 100 (Notable)
Bolsoy Santar	Russia	Record high maximum temperature	31.9 C (89.4 F)	48 of 100 (Notable)
Wilson 4 S	United States	Record daily precipitation	47.0 mm (1.9 in)	47 of 100 (Notable)
Maceio (Aeroporto)	Brazil	Record daily precipitation	65.0 mm (2.6 in)	45 of 100 (Notable)
Farmington 3NW	United States	Record high maximum temperature	40.0 C (104.0 F)	45 of 100 (Notable)
Ocampo	Mexico	Record low maximum temperature	15.6 C (60.1 F)	44 of 100 (Notable)
Hillside 4 NNE	United States	Record daily precipitation	32.3 mm (1.3 in)	44 of 100 (Notable)
Bloserville 1 N	United States	Record high minimum temperature	25.6 C (78.1 F)	44 of 100 (Notable)
Ellsworth 1E	United States	Record high maximum temperature	38.9 C (102.0 F)	43 of 100 (Notable)
Marshall	United States	Record high maximum temperature	42.8 C (109.0 F)	42 of 100 (Notable)
Spooner Ag Rsch STN	United States	Record high maximum temperature	37.8 C (100.0 F)	42 of 100 (Notable)
Kenai AP	United States	Record low minimum temperature	2.8 C (37.0 F)	41 of 100 (Notable)
Wellington	United States	Record daily precipitation	48.0 mm (1.9 in)	40 of 100 (Notable)
New London	United States	Record high maximum temperature	40.0 C (104.0 F)	40 of 100 (Notable)
Minneapolis-St Paul Intl AP	United States	Record high maximum temperature	40.6 C (105.1 F)	40 of 100 (Notable)
McCall	United States	Record high maximum temperature	37.2 C (99.0 F)	39 of 100 (Notable)
Madison Wwtp	United States	Record high maximum temperature	43.3 C (109.9 F)	39 of 100 (Notable)
New Ulm 2 SE	United States	Record high maximum temperature	40.6 C (105.1 F)	39 of 100 (Notable)
Clover Valley	United States	Record high minimum temperature	17.8 C (64.0 F)	39 of 100 (Notable)
Lijing	China	Record low minimum temperature	8.6 C (47.5 F)	38 of 100 (Notable)
El Nogal	Mexico	Record daily precipitation	50.8 mm (2.0 in)	38 of 100 (Notable)
Cecilville	United States	Record high minimum temperature	20.6 C (69.1 F)	38 of 100 (Notable)
Caledonia	United States	Record high maximum temperature	34.4 C (93.9 F)	38 of 100 (Notable)
Palestine	United States	Record low minimum temperature	9.4 C (48.9 F)	37 of 100 (Notable)
Sigourney	United States	Record high maximum temperature	41.7 C (107.1 F)	37 of 100 (Notable)
Enterprise	United States	Record daily precipitation	58.9 mm (2.3 in)	37 of 100 (Notable)
Rinconada	Mexico	Record low minimum temperature	12.8 C (55.0 F)	36 of 100 (Notable)
Hustadvatn	Norway	Record daily precipitation	40.0 mm (1.6 in)	36 of 100 (Notable)
Truckee Rs	United States	Record high maximum temperature	33.9 C (93.0 F)	36 of 100 (Notable)
Williamsburg 1E	United States	Record high maximum temperature	40.0 C (104.0 F)	36 of 100 (Notable)
Logan Utah St UNIV	United States	Record high maximum temperature	36.7 C (98.1 F)	36 of 100 (Notable)
Evanston 1 E	United States	Record high maximum temperature	33.3 C (91.9 F)	36 of 100 (Notable)
Bishop AP	United States	Record high minimum temperature	19.4 C (66.9 F)	36 of 100 (Notable)
Arecibo 3 ESE	Puerto Rico [United States]	Record high minimum temperature	25.6 C (78.1 F)	35 of 100 (Notable)
Irving	United States	Record daily precipitation	25.9 mm (1.0 in)	35 of 100 (Notable)
Fayette	United States	Record high maximum temperature	39.4 C (102.9 F)	35 of 100 (Notable)
Titusville Wtr Wks	United States	Record daily precipitation	42.4 mm (1.7 in)	35 of 100 (Notable)
Hatfield	United States	Record high maximum temperature	38.3 C (100.9 F)	35 of 100 (Notable)
Cedar Rapids Muni AP	United States	Record high maximum temperature	40.0 C (104.0 F)	35 of 100 (Notable)
Waterloo Muni AP	United States	Record high maximum temperature	40.6 C (105.1 F)	35 of 100 (Notable)
Weaverville	United States	Record high maximum temperature	43.3 C (109.9 F)	34 of 100 (Routine)
Tavernier	United States	Record daily precipitation	51.3 mm (2.0 in)	34 of 100 (Routine)
Clinton #1	United States	Record high maximum temperature	38.3 C (100.9 F)	34 of 100 (Routine)
Norris Madison Pwr House	United States	Record high maximum temperature	36.7 C (98.1 F)	34 of 100 (Routine)
Neillsville 3ESE	United States	Record high maximum temperature	36.1 C (97.0 F)	34 of 100 (Routine)
Rantoul	United States	Record high maximum temperature	35.6 C (96.1 F)	34 of 100 (Routine)
Moorcroft 3S	United States	Record high maximum temperature	39.4 C (102.9 F)	34 of 100 (Routine)
Sandy Lake Dam Libby	United States	Record high maximum temperature	35.0 C (95.0 F)	33 of 100 (Routine)
Anaconda	United States	Record high maximum temperature	35.0 C (95.0 F)	33 of 100 (Routine)
Greenville 2 NE	United States	Record daily precipitation	47.2 mm (1.9 in)	33 of 100 (Routine)
Cumberland	United States	Record high maximum temperature	38.3 C (100.9 F)	33 of 100 (Routine)
Jackson	United States	Record high maximum temperature	35.0 C (95.0 F)	33 of 100 (Routine)
Yurecuaro	Mexico	Record daily precipitation	48.8 mm (1.9 in)	32 of 100 (Routine)

Counts by Type and Timescale

940 records

Records set or tied on 31 July 1988 by type: Highest daily maximum 388, Lowest daily maximum 44, Highest daily minimum 210, Lowest daily minimum 160, Heaviest daily rainfall 138.

Records on 31 July 1988 by type
Record type	Records
Highest daily maximum	388
Lowest daily maximum	44
Highest daily minimum	210
Lowest daily minimum	160
Heaviest daily rainfall	138
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 July 1988 by timescale: all-time 24, monthly 15, daily 901.

How Much Records Were Beaten By

700 broken records

Margins by which the 700 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 54.6. Ties are not counted.

Top 20 by Significance

31 July 1988

Top 20 records on 31 July 1988 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 July 1988	Quartzsite, US	daily rain	29.7 mm (1.2 in)	24.9 mm (1.0 in)	66 years	67 of 100 (Major)
31 July 1988	Jemez Springs, US	daily rain	42.7 mm (1.7 in)	24.9 mm (1.0 in)	69 years	63 of 100 (Major)
31 July 1988	Aleksandrovskij Zav, RU	daily rain	77.2 mm (3.0 in)	37.8 mm (1.5 in)	42 years	57 of 100 (Notable)
31 July 1988	Ft Ripley, US	daily rain	72.4 mm (2.9 in)	34.3 mm (1.4 in)	71 years	53 of 100 (Notable)
31 July 1988	Reedsburg Wwtp, US	all-time high max	40.0 C (104.0 F)	0.6 C (1.1 F)	72 years	51 of 100 (Notable)
31 July 1988	Zimapan, MX	monthly rain	97.8 mm (3.9 in)	34.8 mm (1.4 in)	2 years	50 of 100 (Notable)
31 July 1988	Madison 3NNW, US	daily rain	85.1 mm (3.4 in)	54.6 mm (2.1 in)	6 years	50 of 100 (Notable)
31 July 1988	Montevideo 1SW, US	all-time high max	43.3 C (109.9 F)	1.6 C (2.9 F)	57 years	49 of 100 (Notable)
31 July 1988	Bolsoy Santar, RU	all-time high max	31.9 C (89.4 F)	2.1 C (3.8 F)	63 years	48 of 100 (Notable)
31 July 1988	Wilson 4 S, US	daily rain	47.0 mm (1.9 in)	37.6 mm (1.5 in)	28 years	47 of 100 (Notable)
31 July 1988	Maceio (Aeroporto), BR	daily rain	65.0 mm (2.6 in)	29.1 mm (1.1 in)	56 years	45 of 100 (Notable)
31 July 1988	Farmington 3NW, US	daily high max	40.0 C (104.0 F)	3.3 C (5.9 F)	93 years	45 of 100 (Notable)
31 July 1988	Ocampo, MX	daily low max	15.6 C (60.1 F)	6.6 C (11.9 F)	46 years	44 of 100 (Notable)
31 July 1988	Hillside 4 NNE, US	daily rain	32.3 mm (1.3 in)	22.9 mm (0.9 in)	29 years	44 of 100 (Notable)
31 July 1988	Bloserville 1 N, US	monthly high min	25.6 C (78.1 F)	1.7 C (3.1 F)	74 years	44 of 100 (Notable)
31 July 1988	Ellsworth 1E, US	all-time high max	38.9 C (102.0 F)	1.1 C (2.0 F)	40 years	43 of 100 (Notable)
31 July 1988	Marshall, US	all-time high max	42.8 C (109.0 F)	1.1 C (2.0 F)	52 years	42 of 100 (Notable)
31 July 1988	Spooner Ag Rsch STN, US	daily high max	37.8 C (100.0 F)	2.2 C (4.0 F)	93 years	42 of 100 (Notable)
31 July 1988	Kenai AP, US	daily low min	2.8 C (37.0 F)	1.6 C (2.9 F)	87 years	41 of 100 (Notable)
31 July 1988	Wellington, US	daily rain	48.0 mm (1.9 in)	9.1 mm (0.36 in)	89 years	40 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

1804 to 1988

Records set or tied on this calendar date in each year from 1804 to 1988. 1988 had 940 records.

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

Records on 07-31 in each year
Year	Records
1804	1
1815	1
1816	1
1828	1
1834	1
1839	1
1840	1
1841	2
1851	1
1858	2
1860	4
1863	1
1866	1
1873	2
1876	1
1879	1
1884	1
1885	1
1886	1
1887	5
1889	2
1890	2
1891	1
1892	1
1893	3
1894	2
1896	2
1897	2
1898	5
1900	1
1901	3
1902	4
1903	16
1904	12
1905	10
1906	14
1907	17
1908	22
1909	15
1910	21
1911	29
1912	14
1913	31
1914	28
1915	71
1916	63
1917	126
1918	39
1919	27
1920	168
1921	112
1922	24
1923	236
1924	97
1925	349
1926	226
1927	161
1928	145
1929	134
1930	143
1931	441
1932	314
1933	504
1934	449
1935	418
1936	548
1937	297
1938	417
1939	357
1940	415
1941	323
1942	342
1943	342
1944	312
1945	499
1946	426
1947	341
1948	341
1949	406
1950	511
1951	364
1952	472
1953	414
1954	459
1955	813
1956	574
1957	268
1958	374
1959	424
1960	622
1961	504
1962	348
1963	294
1964	637
1965	858
1966	606
1967	326
1968	637
1969	440
1970	576
1971	1,850
1972	667
1973	583
1974	363
1975	1,386
1976	530
1977	543
1978	754
1979	501
1980	1,047
1981	672
1982	767
1983	901
1984	777
1985	1,065
1986	1,021
1987	934
1988	940
1989	1,753
1990	911
1991	647
1992	1,169
1993	1,031
1994	1,207
1995	1,223
1996	1,084
1997	984
1998	1,195
1999	1,643
2000	1,001
2001	1,414
2002	1,080
2003	1,157
2004	779
2005	742
2006	1,405
2007	1,023
2008	911
2009	1,156
2010	1,485
2011	1,040
2012	712
2013	469
2014	1,000
2015	948
2016	501
2017	485
2018	1,135
2019	551
2020	1,034
2021	1,020
2022	861
2023	671
2024	748
2025	836
2026	754

Download the Data

Data for records on 1988-07-31: 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	650
10 to 20	25
20 to 30	17
30 to 40	7
40 to 50	0
50 to 60	1