Weather Records on 17 September 1951

359 weather records were set or tied worldwide on 17 September 1951. Highest significance: Parnu, EE.

Key Facts for 17 September 1951

On 17 September 1951, 359 weather records were set or tied at long-record stations worldwide.
140 were record highs and 146 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 3 monthly and 356 daily.
Parnu set a daily record precipitation of 51.4 mm (2.0 in) on 17 September 1951.
Across 164 earlier years (1796 to 2026) the same calendar date averaged 423 records.

Record Map

359 stations

359 station records on 17 September 1951 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 17 September 1951: highest significance records shown on the map
Station	Country	Type	Value	Significance
Parnu	Estonia	Record daily precipitation	51.4 mm (2.0 in)	62 of 100 (Major)
Attarikhat	India	Record daily precipitation	130.0 mm (5.1 in)	52 of 100 (Notable)
Kissimmee	United States	Record daily precipitation	95.8 mm (3.8 in)	47 of 100 (Notable)
Zagreb-Gric	Croatia	Record daily precipitation	31.4 mm (1.2 in)	45 of 100 (Notable)
Cherapalaseri	India	Record daily precipitation	73.4 mm (2.9 in)	41 of 100 (Notable)
Vilsandi	Estonia	Record daily precipitation	30.5 mm (1.2 in)	38 of 100 (Notable)
Hosadurga	India	Record daily precipitation	74.9 mm (2.9 in)	38 of 100 (Notable)
Santhanpara	India	Record daily precipitation	50.3 mm (2.0 in)	38 of 100 (Notable)
Pakri	Estonia	Record daily precipitation	26.1 mm (1.0 in)	33 of 100 (Routine)
Somwarpet	India	Record daily precipitation	57.2 mm (2.3 in)	33 of 100 (Routine)
Hondo	United States	Record low minimum temperature	9.4 C (48.9 F)	33 of 100 (Routine)
Graz	Austria	Record daily precipitation	36.3 mm (1.4 in)	32 of 100 (Routine)
Waxahachie	United States	Record low maximum temperature	21.1 C (70.0 F)	32 of 100 (Routine)
Wilton	India	Record daily precipitation	101.6 mm (4.0 in)	31 of 100 (Routine)
Kaufman 3 SE	United States	Record low maximum temperature	20.6 C (69.1 F)	29 of 100 (Routine)
Mundargi	India	Record daily precipitation	33.8 mm (1.3 in)	28 of 100 (Routine)
Palghat	India	Record daily precipitation	53.1 mm (2.1 in)	28 of 100 (Routine)
Wilbur	United States	Record high minimum temperature	16.7 C (62.1 F)	28 of 100 (Routine)
Lumding	India	Record daily precipitation	54.6 mm (2.1 in)	27 of 100 (Routine)
Samnanger	Norway	Record daily precipitation	89.0 mm (3.5 in)	27 of 100 (Routine)
Hooker	United States	Record low minimum temperature	1.7 C (35.1 F)	27 of 100 (Routine)
Roswell Muni AP	United States	Record low minimum temperature	5.0 C (41.0 F)	27 of 100 (Routine)
Melbourne Regional Office	Australia	Record high maximum temperature	27.7 C (81.9 F)	26 of 100 (Routine)
Ostrov Sosnovez	Russia	Record daily precipitation	26.1 mm (1.0 in)	26 of 100 (Routine)
Ljubljana Bezigrad	Slovenia	Record daily precipitation	53.6 mm (2.1 in)	26 of 100 (Routine)
Blagovescensk	Russia	Record daily precipitation	35.3 mm (1.4 in)	25 of 100 (Routine)
Klamath Falls 2 SSW	United States	Record high minimum temperature	13.9 C (57.0 F)	25 of 100 (Routine)
Llano	United States	Record low maximum temperature	21.1 C (70.0 F)	25 of 100 (Routine)
Arhangelsk	Russia	Record high minimum temperature	10.8 C (51.4 F)	24 of 100 (Routine)
Fraser	United States	Record low minimum temperature	-12.8 C (9.0 F)	24 of 100 (Routine)
Liberal	United States	Record low minimum temperature	4.4 C (39.9 F)	24 of 100 (Routine)
Pearl	United States	Record low minimum temperature	4.4 C (39.9 F)	24 of 100 (Routine)
Portales	United States	Record low minimum temperature	2.2 C (36.0 F)	24 of 100 (Routine)
Junction 4SSW	United States	Record low minimum temperature	4.4 C (39.9 F)	24 of 100 (Routine)
Soldier Summit	United States	Record high maximum temperature	29.4 C (84.9 F)	24 of 100 (Routine)
Arkalgud	India	Record daily precipitation	33.0 mm (1.3 in)	23 of 100 (Routine)
Fitzgerald	United States	Record low maximum temperature	24.4 C (75.9 F)	23 of 100 (Routine)
Wallace	United States	Record high minimum temperature	12.8 C (55.0 F)	23 of 100 (Routine)
Cimarron	United States	Record low minimum temperature	1.1 C (34.0 F)	23 of 100 (Routine)
Moncure 3 SE	United States	Record low maximum temperature	19.4 C (66.9 F)	23 of 100 (Routine)
Boise City 2 E	United States	Record low minimum temperature	4.4 C (39.9 F)	23 of 100 (Routine)
Hillsboro	United States	Record low minimum temperature	10.0 C (50.0 F)	23 of 100 (Routine)
Snyder	United States	Record low minimum temperature	7.2 C (45.0 F)	23 of 100 (Routine)
San Angelo	United States	Record low minimum temperature	7.2 C (45.0 F)	23 of 100 (Routine)
Cobar Post Office	Australia	Record high minimum temperature	16.7 C (62.1 F)	22 of 100 (Routine)
Pemberton Meadows	Canada	Record high maximum temperature	27.8 C (82.0 F)	22 of 100 (Routine)
Parli	India	Record daily precipitation	45.7 mm (1.8 in)	22 of 100 (Routine)
Westwood	United States	Record high minimum temperature	10.0 C (50.0 F)	22 of 100 (Routine)
Potlatch 3 NNE	United States	Record high minimum temperature	13.9 C (57.0 F)	22 of 100 (Routine)
Greensburg	United States	Record low minimum temperature	2.8 C (37.0 F)	22 of 100 (Routine)
Johnson 11 ESE	United States	Record low minimum temperature	0.6 C (33.1 F)	22 of 100 (Routine)
Ft Sumner	United States	Record low minimum temperature	4.4 C (39.9 F)	22 of 100 (Routine)
Haskell	United States	Record low maximum temperature	21.1 C (70.0 F)	22 of 100 (Routine)
Kerrville	United States	Record low maximum temperature	21.7 C (71.1 F)	22 of 100 (Routine)
Kualapuu 534	United States	Record high maximum temperature	33.3 C (91.9 F)	22 of 100 (Routine)
Truro Nsac	Canada	Record daily precipitation	54.6 mm (2.1 in)	21 of 100 (Routine)
Bijapur	India	Record daily precipitation	59.9 mm (2.4 in)	21 of 100 (Routine)
Tirumangalam	India	Record daily precipitation	33.8 mm (1.3 in)	21 of 100 (Routine)
Waurika	United States	Record low minimum temperature	7.8 C (46.0 F)	21 of 100 (Routine)
Moro	United States	Record high minimum temperature	14.4 C (57.9 F)	21 of 100 (Routine)

Counts by Type and Timescale

359 records

Records set or tied on 17 September 1951 by type: Highest daily maximum 58, Lowest daily maximum 36, Highest daily minimum 82, Lowest daily minimum 110, Heaviest daily rainfall 73.

Records on 17 September 1951 by type
Record type	Records
Highest daily maximum	58
Lowest daily maximum	36
Highest daily minimum	82
Lowest daily minimum	110
Heaviest daily rainfall	73
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 17 September 1951 by timescale: all-time 0, monthly 3, daily 356.

How Much Records Were Beaten By

289 broken records

Margins by which the 289 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 69.5. Ties are not counted.

Top 20 by Significance

17 September 1951

Top 20 records on 17 September 1951 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 September 1951	Parnu, EE	daily rain	51.4 mm (2.0 in)	36.8 mm (1.4 in)	51 years	62 of 100 (Major)
17 September 1951	Attarikhat, IN	daily rain	130.0 mm (5.1 in)	69.5 mm (2.7 in)	49 years	52 of 100 (Notable)
17 September 1951	Kissimmee, US	daily rain	95.8 mm (3.8 in)	61.8 mm (2.4 in)	42 years	47 of 100 (Notable)
17 September 1951	Zagreb-Gric, HR	daily rain	31.4 mm (1.2 in)	14.2 mm (0.6 in)	73 years	45 of 100 (Notable)
17 September 1951	Cherapalaseri, IN	daily rain	73.4 mm (2.9 in)	39.6 mm (1.6 in)	48 years	41 of 100 (Notable)
17 September 1951	Vilsandi, EE	daily rain	30.5 mm (1.2 in)	13.8 mm (0.5 in)	18 years	38 of 100 (Notable)
17 September 1951	Hosadurga, IN	daily rain	74.9 mm (2.9 in)	46.5 mm (1.8 in)	12 years	38 of 100 (Notable)
17 September 1951	Santhanpara, IN	daily rain	50.3 mm (2.0 in)	31.2 mm (1.2 in)	36 years	38 of 100 (Notable)
17 September 1951	Pakri, EE	daily rain	26.1 mm (1.0 in)	10.6 mm (0.4 in)	24 years	33 of 100 (Routine)
17 September 1951	Somwarpet, IN	daily rain	57.2 mm (2.3 in)	31.8 mm (1.3 in)	24 years	33 of 100 (Routine)
17 September 1951	Hondo, US	daily low min	9.4 C (48.9 F)	5.0 C (9.0 F)	48 years	33 of 100 (Routine)
17 September 1951	Graz, AT	daily rain	36.3 mm (1.4 in)	24.5 mm (1.0 in)	22 years	32 of 100 (Routine)
17 September 1951	Waxahachie, US	daily low max	21.1 C (70.0 F)	5.6 C (10.1 F)	49 years	32 of 100 (Routine)
17 September 1951	Wilton, IN	daily rain	101.6 mm (4.0 in)	25.4 mm (1.0 in)	49 years	31 of 100 (Routine)
17 September 1951	Kaufman 3 SE, US	daily low max	20.6 C (69.1 F)	4.4 C (7.9 F)	49 years	29 of 100 (Routine)
17 September 1951	Mundargi, IN	daily rain	33.8 mm (1.3 in)	13.5 mm (0.5 in)	49 years	28 of 100 (Routine)
17 September 1951	Palghat, IN	daily rain	53.1 mm (2.1 in)	22.6 mm (0.9 in)	17 years	28 of 100 (Routine)
17 September 1951	Wilbur, US	daily high min	16.7 C (62.1 F)	5.6 C (10.1 F)	30 years	28 of 100 (Routine)
17 September 1951	Lumding, IN	daily rain	54.6 mm (2.1 in)	30.7 mm (1.2 in)	22 years	27 of 100 (Routine)
17 September 1951	Samnanger, NO	daily rain	89.0 mm (3.5 in)	17.5 mm (0.7 in)	44 years	27 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

1796 to 1951

Records set or tied on this calendar date in each year from 1796 to 1951. 1951 had 359 records.

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

Records on 09-17 in each year
Year	Records
1796	1
1797	1
1805	1
1833	1
1834	1
1837	2
1845	1
1847	3
1848	1
1850	1
1851	2
1853	2
1854	2
1859	1
1862	1
1867	1
1870	1
1871	1
1872	1
1873	1
1874	1
1875	1
1877	1
1881	1
1882	2
1884	3
1885	3
1886	6
1888	2
1889	8
1891	1
1893	3
1894	1
1895	4
1896	9
1897	4
1898	7
1899	1
1900	4
1901	5
1902	5
1903	28
1904	2
1905	17
1906	10
1907	15
1908	13
1909	7
1910	38
1911	15
1912	17
1913	28
1914	38
1915	48
1916	40
1917	255
1918	41
1919	21
1920	40
1921	66
1922	47
1923	159
1924	80
1925	338
1926	154
1927	420
1928	78
1929	168
1930	147
1931	564
1932	425
1933	415
1934	246
1935	321
1936	219
1937	463
1938	363
1939	294
1940	326
1941	328
1942	581
1943	513
1944	403
1945	614
1946	620
1947	680
1948	630
1949	292
1950	412
1951	359
1952	263
1953	344
1954	449
1955	649
1956	437
1957	405
1958	806
1959	1,210
1960	385
1961	657
1962	432
1963	297
1964	559
1965	1,394
1966	523
1967	331
1968	691
1969	352
1970	412
1971	898
1972	556
1973	638
1974	491
1975	478
1976	636
1977	641
1978	764
1979	804
1980	794
1981	1,155
1982	606
1983	862
1984	1,006
1985	448
1986	1,314
1987	926
1988	982
1989	863
1990	650
1991	1,407
1992	686
1993	950
1994	986
1995	1,145
1996	1,342
1997	1,057
1998	1,137
1999	1,102
2000	1,318
2001	895
2002	1,025
2003	586
2004	872
2005	1,042
2006	1,344
2007	752
2008	886
2009	871
2010	907
2011	1,116
2012	597
2013	1,253
2014	571
2015	953
2016	707
2017	455
2018	899
2019	774
2020	651
2021	345
2022	313
2023	646
2024	954
2025	634
2026	968

Download the Data

Data for records on 1951-09-17: 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 10	259
10 to 20	15
20 to 30	7
30 to 40	5
40 to 50	1
50 to 60	0
60 to 70	2