Weather Records on 30 July 1955

787 weather records were set or tied worldwide on 30 July 1955. Highest significance: Koffiefontein (Pol), ZA.

Key Facts for 30 July 1955

On 30 July 1955, 787 weather records were set or tied at long-record stations worldwide.
363 were record highs and 155 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 12 monthly and 774 daily.
Koffiefontein (Pol) set a daily record precipitation of 27.5 mm (1.1 in) on 30 July 1955.
Across 168 earlier years (1794 to 2026) the same calendar date averaged 438 records.

Record Map

787 stations

787 station records on 30 July 1955 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 30 July 1955: highest significance records shown on the map
Station	Country	Type	Value	Significance
Koffiefontein (Pol)	South Africa	Record daily precipitation	27.5 mm (1.1 in)	64 of 100 (Major)
Dublin	United States	Record daily precipitation	91.4 mm (3.6 in)	54 of 100 (Notable)
Hamelfontein	South Africa	Record daily precipitation	28.0 mm (1.1 in)	50 of 100 (Notable)
Carrajung Post Office	Australia	Record daily precipitation	45.7 mm (1.8 in)	48 of 100 (Notable)
Premaydena Hatchery	Australia	Record daily precipitation	39.4 mm (1.6 in)	46 of 100 (Notable)
Eaglehawk Neck (Jetty Road)	Australia	Record daily precipitation	31.5 mm (1.2 in)	46 of 100 (Notable)
Poco Das Trincheiras	Brazil	Record daily precipitation	45.2 mm (1.8 in)	45 of 100 (Notable)
Bukkapatnam	India	Record daily precipitation	82.0 mm (3.2 in)	45 of 100 (Notable)
Moose Lake 1 SSE	United States	Record daily precipitation	72.4 mm (2.9 in)	45 of 100 (Notable)
Big St Germain Dam	United States	Record daily precipitation	55.6 mm (2.2 in)	44 of 100 (Notable)
Phelps	United States	Record daily precipitation	51.8 mm (2.0 in)	44 of 100 (Notable)
Rest Lake	United States	Record daily precipitation	106.2 mm (4.2 in)	44 of 100 (Notable)
St Joseph 3 N	United States	Record daily precipitation	90.2 mm (3.6 in)	42 of 100 (Notable)
Kalyandrug	India	Record daily precipitation	52.3 mm (2.1 in)	41 of 100 (Notable)
Amarpara	India	Record daily precipitation	141.7 mm (5.6 in)	40 of 100 (Notable)
Madison Wb City	United States	Record daily precipitation	30.5 mm (1.2 in)	40 of 100 (Notable)
Mount Best (Upper Toora)	Australia	Record daily precipitation	35.6 mm (1.4 in)	39 of 100 (Notable)
Natchitoches	United States	Record daily precipitation	39.4 mm (1.6 in)	39 of 100 (Notable)
Cuero	United States	Record low minimum temperature	18.3 C (64.9 F)	38 of 100 (Notable)
Polavaram	India	Record daily precipitation	45.7 mm (1.8 in)	37 of 100 (Notable)
Foster (Post Office)	Australia	Record daily precipitation	33.0 mm (1.3 in)	36 of 100 (Notable)
Isakapally	India	Record daily precipitation	50.8 mm (2.0 in)	36 of 100 (Notable)
Chauradano	India	Record daily precipitation	128.0 mm (5.0 in)	36 of 100 (Notable)
Barharwa	India	Record daily precipitation	95.3 mm (3.8 in)	36 of 100 (Notable)
Ludiksdam	South Africa	Record daily precipitation	40.4 mm (1.6 in)	36 of 100 (Notable)
Safford	United States	Record daily precipitation	33.5 mm (1.3 in)	35 of 100 (Notable)
Blaine	United States	Record low maximum temperature	14.4 C (57.9 F)	35 of 100 (Notable)
New Westminster	Canada	Record low maximum temperature	13.3 C (55.9 F)	34 of 100 (Routine)
Rajampet	India	Record daily precipitation	45.7 mm (1.8 in)	33 of 100 (Routine)
La Grange 1N	United States	Record daily precipitation	35.6 mm (1.4 in)	33 of 100 (Routine)
Long Lake Dam	United States	Record daily precipitation	49.8 mm (2.0 in)	33 of 100 (Routine)
Cluj Napoca	Romania	Record daily precipitation	40.4 mm (1.6 in)	32 of 100 (Routine)
Two Harbors	United States	Record daily precipitation	56.9 mm (2.2 in)	32 of 100 (Routine)
Escanaba	United States	Record high minimum temperature	21.7 C (71.1 F)	32 of 100 (Routine)
Ft Grant	United States	Record daily precipitation	37.3 mm (1.5 in)	31 of 100 (Routine)
Kissimmee	United States	Record low minimum temperature	19.4 C (66.9 F)	31 of 100 (Routine)
Talbotton	United States	Record daily precipitation	33.0 mm (1.3 in)	31 of 100 (Routine)
Cresco 1 NE	United States	Record high maximum temperature	37.8 C (100.0 F)	31 of 100 (Routine)
Nappan Cda	Canada	Record low minimum temperature	3.9 C (39.0 F)	30 of 100 (Routine)
Sandy Lake Dam Libby	United States	Record daily precipitation	39.1 mm (1.5 in)	30 of 100 (Routine)
Winnemucca AP	United States	Record low minimum temperature	5.6 C (42.1 F)	30 of 100 (Routine)
Nugent	Australia	Record daily precipitation	25.4 mm (1.0 in)	29 of 100 (Routine)
Steveston	Canada	Record low maximum temperature	15.6 C (60.1 F)	29 of 100 (Routine)
Moncton	Canada	Record low minimum temperature	2.8 C (37.0 F)	29 of 100 (Routine)
Kavali	India	Record daily precipitation	69.9 mm (2.8 in)	29 of 100 (Routine)
Weston	United States	Record low minimum temperature	6.7 C (44.1 F)	29 of 100 (Routine)
Jemez Springs	United States	Record daily precipitation	27.9 mm (1.1 in)	29 of 100 (Routine)
Coddington 1 E	United States	Record daily precipitation	38.4 mm (1.5 in)	29 of 100 (Routine)
Saltspring Island	Canada	Record low maximum temperature	13.9 C (57.0 F)	28 of 100 (Routine)
Collegeville	Canada	Record low minimum temperature	0.0 C (32.0 F)	28 of 100 (Routine)
Harlan	United States	Record high minimum temperature	25.0 C (77.0 F)	28 of 100 (Routine)
Ludington 4 SE	United States	Record high maximum temperature	32.2 C (90.0 F)	28 of 100 (Routine)
Pine Rvr Dam	United States	Record daily precipitation	41.4 mm (1.6 in)	28 of 100 (Routine)
Kahuku 912	United States	Record low minimum temperature	19.4 C (66.9 F)	28 of 100 (Routine)
James Island	Canada	Record low maximum temperature	13.3 C (55.9 F)	27 of 100 (Routine)
Kentville Cda	Canada	Record low minimum temperature	6.1 C (43.0 F)	27 of 100 (Routine)
Truro Nsac	Canada	Record low minimum temperature	3.3 C (37.9 F)	27 of 100 (Routine)
Charlottetown Cda	Canada	Record low minimum temperature	7.8 C (46.0 F)	27 of 100 (Routine)
Kamalapuram	India	Record daily precipitation	58.4 mm (2.3 in)	27 of 100 (Routine)
Madhubani	India	Record daily precipitation	80.0 mm (3.1 in)	27 of 100 (Routine)

Counts by Type and Timescale

787 records

Records set or tied on 30 July 1955 by type: Highest daily maximum 152, Lowest daily maximum 116, Highest daily minimum 211, Lowest daily minimum 39, Heaviest daily rainfall 269.

Records on 30 July 1955 by type
Record type	Records
Highest daily maximum	152
Lowest daily maximum	116
Highest daily minimum	211
Lowest daily minimum	39
Heaviest daily rainfall	269
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 30 July 1955 by timescale: all-time 1, monthly 12, daily 774.

How Much Records Were Beaten By

609 broken records

Margins by which the 609 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 89.9. Ties are not counted.

Top 20 by Significance

30 July 1955

Top 20 records on 30 July 1955 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
30 July 1955	Koffiefontein (Pol), ZA	daily rain	27.5 mm (1.1 in)	21.4 mm (0.8 in)	72 years	64 of 100 (Major)
30 July 1955	Dublin, US	daily rain	91.4 mm (3.6 in)	42.9 mm (1.7 in)	61 years	54 of 100 (Notable)
30 July 1955	Hamelfontein, ZA	daily rain	28.0 mm (1.1 in)	22.9 mm (0.9 in)	36 years	50 of 100 (Notable)
30 July 1955	Carrajung Post Office, AU	daily rain	45.7 mm (1.8 in)	23.6 mm (0.9 in)	44 years	48 of 100 (Notable)
30 July 1955	Premaydena Hatchery, AU	daily rain	39.4 mm (1.6 in)	20.1 mm (0.8 in)	45 years	46 of 100 (Notable)
30 July 1955	Eaglehawk Neck (Jetty Road), AU	daily rain	31.5 mm (1.2 in)	16.3 mm (0.6 in)	64 years	46 of 100 (Notable)
30 July 1955	Poco Das Trincheiras, BR	daily rain	45.2 mm (1.8 in)	33.8 mm (1.3 in)	6 years	45 of 100 (Notable)
30 July 1955	Bukkapatnam, IN	daily rain	82.0 mm (3.2 in)	67.8 mm (2.7 in)	0 years	45 of 100 (Notable)
30 July 1955	Moose Lake 1 SSE, US	daily rain	72.4 mm (2.9 in)	59.2 mm (2.3 in)	4 years	45 of 100 (Notable)
30 July 1955	Big St Germain Dam, US	daily rain	55.6 mm (2.2 in)	41.6 mm (1.6 in)	32 years	44 of 100 (Notable)
30 July 1955	Phelps, US	daily rain	51.8 mm (2.0 in)	35.0 mm (1.4 in)	40 years	44 of 100 (Notable)
30 July 1955	Rest Lake, US	daily rain	106.2 mm (4.2 in)	89.9 mm (3.5 in)	0 years	44 of 100 (Notable)
30 July 1955	St Joseph 3 N, US	daily rain	90.2 mm (3.6 in)	57.7 mm (2.3 in)	0 years	42 of 100 (Notable)
30 July 1955	Kalyandrug, IN	daily rain	52.3 mm (2.1 in)	27.4 mm (1.1 in)	1 year	41 of 100 (Notable)
30 July 1955	Amarpara, IN	daily rain	141.7 mm (5.6 in)	59.1 mm (2.3 in)	20 years	40 of 100 (Notable)
30 July 1955	Madison Wb City, US	daily rain	30.5 mm (1.2 in)	12.7 mm (0.5 in)	82 years	40 of 100 (Notable)
30 July 1955	Mount Best (Upper Toora), AU	daily rain	35.6 mm (1.4 in)	16.5 mm (0.6 in)	49 years	39 of 100 (Notable)
30 July 1955	Natchitoches, US	daily rain	39.4 mm (1.6 in)	26.7 mm (1.1 in)	61 years	39 of 100 (Notable)
30 July 1955	Cuero, US	daily low min	18.3 C (64.9 F)	2.8 C (5.0 F)	52 years	38 of 100 (Notable)
30 July 1955	Polavaram, IN	daily rain	45.7 mm (1.8 in)	28.2 mm (1.1 in)	44 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 1955

Records set or tied on this calendar date in each year from 1794 to 1955. 1955 had 787 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 1955-07-30: 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 20	569
20 to 40	32
40 to 60	5
60 to 80	1
80 to 100	2