Weather Records on 31 July 1955

813 weather records were set or tied worldwide on 31 July 1955. Highest significance: Simmesport, US.

Key Facts for 31 July 1955

On 31 July 1955, 813 weather records were set or tied at long-record stations worldwide.
510 were record highs and 69 were record lows, counting maximum and minimum temperature.
By timescale, 6 were all-time records, 6 monthly and 801 daily.
Simmesport set a daily record precipitation of 103.6 mm (4.1 in) on 31 July 1955.
Across 155 earlier years (1804 to 2026) the same calendar date averaged 469 records.

Record Map

813 stations

813 station records on 31 July 1955 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 31 July 1955: highest significance records shown on the map
Station	Country	Type	Value	Significance
Simmesport	United States	Record daily precipitation	103.6 mm (4.1 in)	59 of 100 (Notable)
Natchez	United States	Record daily precipitation	73.9 mm (2.9 in)	51 of 100 (Notable)
Bidar	India	Record daily precipitation	245.9 mm (9.7 in)	50 of 100 (Notable)
Agassiz Cda	Canada	Record daily precipitation	37.6 mm (1.5 in)	48 of 100 (Notable)
Cochrane	Canada	Record daily precipitation	47.0 mm (1.9 in)	43 of 100 (Notable)
Watertown Wwtp	United States	Record daily precipitation	76.7 mm (3.0 in)	43 of 100 (Notable)
Lake Mills Wwtp	United States	Record daily precipitation	75.2 mm (3.0 in)	42 of 100 (Notable)
New London	United States	Record high minimum temperature	28.3 C (82.9 F)	41 of 100 (Notable)
Amguri	India	Record daily precipitation	135.6 mm (5.3 in)	40 of 100 (Notable)
Alouette Lake	Canada	Record daily precipitation	46.2 mm (1.8 in)	39 of 100 (Notable)
Jagersfontein	South Africa	Record daily precipitation	25.5 mm (1.0 in)	39 of 100 (Notable)
Canelo 1 NW	United States	Record daily precipitation	46.7 mm (1.8 in)	38 of 100 (Notable)
Lilydale	Australia	Record daily precipitation	26.4 mm (1.0 in)	36 of 100 (Notable)
Gyshgy	Turkmenistan	Record high minimum temperature	28.1 C (82.6 F)	36 of 100 (Notable)
Stave Falls	Canada	Record daily precipitation	36.3 mm (1.4 in)	35 of 100 (Notable)
Coniston	Canada	Record high minimum temperature	25.6 C (78.1 F)	33 of 100 (Routine)
Kotdwara	India	Record daily precipitation	121.9 mm (4.8 in)	33 of 100 (Routine)
Mackinaw City 2	United States	Record high minimum temperature	25.0 C (77.0 F)	32 of 100 (Routine)
Vermillion 2 SE	United States	Record high minimum temperature	30.0 C (86.0 F)	32 of 100 (Routine)
Muddebihal	India	Record daily precipitation	30.5 mm (1.2 in)	31 of 100 (Routine)
Bear Creek	Canada	Record daily precipitation	41.9 mm (1.6 in)	30 of 100 (Routine)
Ioco Refinery	Canada	Record daily precipitation	29.7 mm (1.2 in)	30 of 100 (Routine)
Karimnagar	India	Record daily precipitation	77.5 mm (3.1 in)	30 of 100 (Routine)
Pandharpur	India	Record daily precipitation	45.7 mm (1.8 in)	30 of 100 (Routine)
Aibonito 1 S	Puerto Rico [United States]	Record daily precipitation	47.0 mm (1.9 in)	30 of 100 (Routine)
Roxboro 7 ESE	United States	Record daily precipitation	36.6 mm (1.4 in)	30 of 100 (Routine)
Wausau Record Herald	United States	Record daily precipitation	51.6 mm (2.0 in)	30 of 100 (Routine)
Bamfield	Canada	Record daily precipitation	37.6 mm (1.5 in)	29 of 100 (Routine)
Kashipur	India	Record daily precipitation	132.1 mm (5.2 in)	29 of 100 (Routine)
San German 4 W	Puerto Rico [United States]	Record daily precipitation	86.4 mm (3.4 in)	29 of 100 (Routine)
Skovorodino	Russia	Record daily precipitation	33.3 mm (1.3 in)	29 of 100 (Routine)
Onawa 3NW	United States	Record high maximum temperature	42.8 C (109.0 F)	29 of 100 (Routine)
Rockwell City	United States	Record high maximum temperature	41.1 C (106.0 F)	29 of 100 (Routine)
Schreiber	Canada	Record high maximum temperature	28.9 C (84.0 F)	28 of 100 (Routine)
Ste Agathe des Monts	Canada	Record high maximum temperature	31.7 C (89.1 F)	28 of 100 (Routine)
Jefferson	United States	Record high maximum temperature	39.4 C (102.9 F)	28 of 100 (Routine)
Osceola	United States	Record high maximum temperature	40.0 C (104.0 F)	28 of 100 (Routine)
Natchez	United States	Record low maximum temperature	26.7 C (80.1 F)	28 of 100 (Routine)
Yakutat AP	United States	Record high maximum temperature	23.9 C (75.0 F)	28 of 100 (Routine)
Debiabhoj Diyabh	India	Record daily precipitation	152.4 mm (6.0 in)	27 of 100 (Routine)
Carroll	United States	Record high maximum temperature	40.6 C (105.1 F)	27 of 100 (Routine)
Tekamah	United States	Record high maximum temperature	40.6 C (105.1 F)	27 of 100 (Routine)
Kahuku 912	United States	Record low minimum temperature	18.9 C (66.0 F)	27 of 100 (Routine)
Kohala Mis 175.1	United States	Record low maximum temperature	23.3 C (73.9 F)	27 of 100 (Routine)
Cooch Behar	India	Record daily precipitation	164.6 mm (6.5 in)	26 of 100 (Routine)
Gavle	Sweden	Record high maximum temperature	31.0 C (87.8 F)	26 of 100 (Routine)
Audubon	United States	Record high maximum temperature	41.7 C (107.1 F)	26 of 100 (Routine)
New Ulm 2 SE	United States	Record high minimum temperature	23.3 C (73.9 F)	26 of 100 (Routine)
Wentworth 2.5 WNW	United States	Record high maximum temperature	37.8 C (100.0 F)	26 of 100 (Routine)
Croydon (Samuel Street)	Australia	Record daily precipitation	27.7 mm (1.1 in)	25 of 100 (Routine)
Steveston	Canada	Record low maximum temperature	17.2 C (63.0 F)	25 of 100 (Routine)
Lennoxville	Canada	Record high maximum temperature	33.3 C (91.9 F)	25 of 100 (Routine)
Badnera	India	Record daily precipitation	96.5 mm (3.8 in)	25 of 100 (Routine)
Arad	Romania	Record daily precipitation	25.9 mm (1.0 in)	25 of 100 (Routine)
Valparaiso Wtr Wks	United States	Record high maximum temperature	35.0 C (95.0 F)	25 of 100 (Routine)
Atlantic 1 NE	United States	Record high maximum temperature	40.0 C (104.0 F)	25 of 100 (Routine)
Forest City 2 NNE	United States	Record high maximum temperature	38.3 C (100.9 F)	25 of 100 (Routine)
Mt Ayr	United States	Record high maximum temperature	38.3 C (100.9 F)	25 of 100 (Routine)
Pocahontas	United States	Record high minimum temperature	25.6 C (78.1 F)	25 of 100 (Routine)
Pokegama Dam	United States	Record high minimum temperature	20.0 C (68.0 F)	25 of 100 (Routine)

Counts by Type and Timescale

813 records

Records set or tied on 31 July 1955 by type: Highest daily maximum 269, Lowest daily maximum 56, Highest daily minimum 241, Lowest daily minimum 13, Heaviest daily rainfall 234.

Records on 31 July 1955 by type
Record type	Records
Highest daily maximum	269
Lowest daily maximum	56
Highest daily minimum	241
Lowest daily minimum	13
Heaviest daily rainfall	234
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 31 July 1955 by timescale: all-time 6, monthly 6, daily 801.

How Much Records Were Beaten By

639 broken records

Margins by which the 639 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 71.1. Ties are not counted.

Top 20 by Significance

31 July 1955

Top 20 records on 31 July 1955 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
31 July 1955	Simmesport, US	daily rain	103.6 mm (4.1 in)	71.1 mm (2.8 in)	48 years	59 of 100 (Notable)
31 July 1955	Natchez, US	daily rain	73.9 mm (2.9 in)	58.9 mm (2.3 in)	16 years	51 of 100 (Notable)
31 July 1955	Bidar, IN	all-time rain	245.9 mm (9.7 in)	42.7 mm (1.7 in)	5 years	50 of 100 (Notable)
31 July 1955	Agassiz Cda, CA	daily rain	37.6 mm (1.5 in)	17.3 mm (0.7 in)	52 years	48 of 100 (Notable)
31 July 1955	Cochrane, CA	daily rain	47.0 mm (1.9 in)	24.1 mm (0.9 in)	37 years	43 of 100 (Notable)
31 July 1955	Watertown Wwtp, US	daily rain	76.7 mm (3.0 in)	47.7 mm (1.9 in)	0 years	43 of 100 (Notable)
31 July 1955	Lake Mills Wwtp, US	daily rain	75.2 mm (3.0 in)	39.6 mm (1.6 in)	36 years	42 of 100 (Notable)
31 July 1955	New London, US	all-time high min	28.3 C (82.9 F)	1.6 C (2.9 F)	38 years	41 of 100 (Notable)
31 July 1955	Amguri, IN	daily rain	135.6 mm (5.3 in)	46.7 mm (1.8 in)	36 years	40 of 100 (Notable)
31 July 1955	Alouette Lake, CA	daily rain	46.2 mm (1.8 in)	33.2 mm (1.3 in)	22 years	39 of 100 (Notable)
31 July 1955	Jagersfontein, ZA	daily rain	25.5 mm (1.0 in)	20.2 mm (0.8 in)	36 years	39 of 100 (Notable)
31 July 1955	Canelo 1 NW, US	daily rain	46.7 mm (1.8 in)	28.2 mm (1.1 in)	26 years	38 of 100 (Notable)
31 July 1955	Lilydale, AU	daily rain	26.4 mm (1.0 in)	13.7 mm (0.5 in)	33 years	36 of 100 (Notable)
31 July 1955	Gyshgy, TM	all-time high min	28.1 C (82.6 F)	1.0 C (1.8 F)	28 years	36 of 100 (Notable)
31 July 1955	Stave Falls, CA	daily rain	36.3 mm (1.4 in)	22.8 mm (0.9 in)	14 years	35 of 100 (Notable)
31 July 1955	Coniston, CA	all-time high min	25.6 C (78.1 F)	1.2 C (2.2 F)	24 years	33 of 100 (Routine)
31 July 1955	Kotdwara, IN	daily rain	121.9 mm (4.8 in)	45.7 mm (1.8 in)	46 years	33 of 100 (Routine)
31 July 1955	Mackinaw City 2, US	daily high min	25.0 C (77.0 F)	3.9 C (7.0 F)	52 years	32 of 100 (Routine)
31 July 1955	Vermillion 2 SE, US	all-time high min	30.0 C (86.0 F)	0.6 C (1.1 F)	18 years	32 of 100 (Routine)
31 July 1955	Muddebihal, IN	daily rain	30.5 mm (1.2 in)	13.0 mm (0.5 in)	50 years	31 of 100 (Routine)

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 1955

Records set or tied on this calendar date in each year from 1804 to 1955. 1955 had 813 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 1955-07-31: 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	560
10 to 20	47
20 to 30	14
30 to 40	8
40 to 50	6
50 to 60	2
60 to 70	1
70 to 80	1