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Weather Records on 21 September 1975

528 weather records were set or tied worldwide on 21 September 1975. Highest significance: Chillingham (Limpinwood), AU.

Key Facts for 21 September 1975

  • On 21 September 1975, 528 weather records were set or tied at long-record stations worldwide.
  • 106 were record highs and 265 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 9 monthly and 519 daily.
  • Chillingham (Limpinwood) set a daily record precipitation of 54.0 mm (2.1 in) on 21 September 1975.
  • Across 155 earlier years (1805 to 2026) the same calendar date averaged 450 records.

Record Map

528 stations
Weather records on 21 September 1975 528 station records on 21 September 1975 are marked on the map, coloured by record type.
528 station records on 21 September 1975 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 September 1975: highest significance records shown on the map
StationCountryTypeValueSignificance
Chillingham (Limpinwood)AustraliaRecord daily precipitation54.0 mm (2.1 in)47 of 100 (Notable)
NeranRussiaRecord daily precipitation74.6 mm (2.9 in)46 of 100 (Notable)
Komsomolsk-Na-AmureRussiaRecord daily precipitation48.0 mm (1.9 in)45 of 100 (Notable)
PogibiRussiaRecord daily precipitation43.2 mm (1.7 in)44 of 100 (Notable)
BogorodskoeRussiaRecord daily precipitation50.4 mm (2.0 in)42 of 100 (Notable)
TivjakuRussiaRecord daily precipitation55.7 mm (2.2 in)42 of 100 (Notable)
Mys YelizavetyRussiaRecord daily precipitation55.9 mm (2.2 in)40 of 100 (Notable)
BirobidzhanRussiaRecord daily precipitation89.9 mm (3.5 in)39 of 100 (Notable)
DolinskRussiaRecord daily precipitation53.1 mm (2.1 in)39 of 100 (Notable)
BiraRussiaRecord daily precipitation50.5 mm (2.0 in)37 of 100 (Notable)
VjazemskajaRussiaRecord daily precipitation33.3 mm (1.3 in)37 of 100 (Notable)
MtunziniSouth AfricaRecord daily precipitation42.5 mm (1.7 in)37 of 100 (Notable)
UrmiRussiaRecord daily precipitation50.3 mm (2.0 in)36 of 100 (Notable)
VandaliaUnited StatesRecord low maximum temperature13.3 C (55.9 F)36 of 100 (Notable)
Krasnyj JarRussiaRecord daily precipitation30.1 mm (1.2 in)35 of 100 (Notable)
NewportUnited StatesRecord high maximum temperature31.7 C (89.1 F)35 of 100 (Notable)
McAlester Rgnl APUnited StatesRecord low maximum temperature17.2 C (63.0 F)35 of 100 (Notable)
OhotskRussiaRecord low minimum temperature-3.9 C (25.0 F)34 of 100 (Routine)
GalesburgUnited StatesRecord low maximum temperature13.3 C (55.9 F)34 of 100 (Routine)
GeneseoUnited StatesRecord low maximum temperature13.3 C (55.9 F)34 of 100 (Routine)
BikinRussiaRecord daily precipitation31.2 mm (1.2 in)33 of 100 (Routine)
Charles CityUnited StatesRecord low maximum temperature11.7 C (53.1 F)33 of 100 (Routine)
Willard 4 SWUnited StatesRecord daily precipitation50.8 mm (2.0 in)33 of 100 (Routine)
Nikolaevsk-Na-AmureRussiaRecord daily precipitation33.9 mm (1.3 in)32 of 100 (Routine)
PrincetonUnited StatesRecord low maximum temperature16.7 C (62.1 F)32 of 100 (Routine)
MarathonUnited StatesRecord high minimum temperature17.8 C (64.0 F)32 of 100 (Routine)
MaconUnited StatesRecord daily precipitation50.5 mm (2.0 in)31 of 100 (Routine)
AmherstUnited StatesRecord high minimum temperature19.4 C (66.9 F)31 of 100 (Routine)
Springview 2NWUnited StatesRecord low maximum temperature10.6 C (51.1 F)31 of 100 (Routine)
NorthvilleUnited StatesRecord daily precipitation34.0 mm (1.3 in)31 of 100 (Routine)
Valley City 3 NNWUnited StatesRecord low maximum temperature8.9 C (48.0 F)31 of 100 (Routine)
Nizhne-TambovskoeRussiaRecord daily precipitation49.1 mm (1.9 in)30 of 100 (Routine)
VintonUnited StatesRecord low maximum temperature14.4 C (57.9 F)30 of 100 (Routine)
ChandlerUnited StatesRecord low maximum temperature19.4 C (66.9 F)30 of 100 (Routine)
MuskogeeUnited StatesRecord low maximum temperature17.8 C (64.0 F)30 of 100 (Routine)
Saint JohnsUnited StatesRecord low maximum temperature12.8 C (55.0 F)29 of 100 (Routine)
South LondonderryUnited StatesRecord daily precipitation32.3 mm (1.3 in)29 of 100 (Routine)
DecorahUnited StatesRecord low maximum temperature10.0 C (50.0 F)28 of 100 (Routine)
TiptonUnited StatesRecord low minimum temperature0.6 C (33.1 F)28 of 100 (Routine)
NapoleonUnited StatesRecord low maximum temperature7.2 C (45.0 F)28 of 100 (Routine)
Wilburton 9 ENEUnited StatesRecord low maximum temperature19.4 C (66.9 F)28 of 100 (Routine)
New ParkUnited StatesRecord daily precipitation61.0 mm (2.4 in)28 of 100 (Routine)
Rocky MtUnited StatesRecord daily precipitation42.7 mm (1.7 in)28 of 100 (Routine)
SpicerUnited StatesRecord low minimum temperature-11.1 C (12.0 F)27 of 100 (Routine)
Delphi 2 NUnited StatesRecord low maximum temperature15.0 C (59.0 F)27 of 100 (Routine)
BloomfieldUnited StatesRecord low maximum temperature14.4 C (57.9 F)27 of 100 (Routine)
LodgepoleUnited StatesRecord low minimum temperature-2.2 C (28.0 F)27 of 100 (Routine)
DurantUnited StatesRecord low maximum temperature20.0 C (68.0 F)27 of 100 (Routine)
Mellette 4 WUnited StatesRecord low maximum temperature9.4 C (48.9 F)27 of 100 (Routine)
GeorgetownUnited StatesRecord low maximum temperature24.4 C (75.9 F)27 of 100 (Routine)
MinskBelarusRecord high maximum temperature25.7 C (78.3 F)26 of 100 (Routine)
Aralskoe MoreKazakhstanRecord high minimum temperature16.3 C (61.3 F)26 of 100 (Routine)
OujdaMoroccoRecord low maximum temperature25.0 C (77.0 F)26 of 100 (Routine)
KirovskijRussiaRecord daily precipitation29.0 mm (1.1 in)26 of 100 (Routine)
MelnichnoeRussiaRecord daily precipitation33.8 mm (1.3 in)26 of 100 (Routine)
Wheaton 3 SEUnited StatesRecord low maximum temperature14.4 C (57.9 F)26 of 100 (Routine)
Lake Park 3SSEUnited StatesRecord low maximum temperature10.0 C (50.0 F)26 of 100 (Routine)
David City 4EUnited StatesRecord low maximum temperature13.3 C (55.9 F)26 of 100 (Routine)
Towner 2 NEUnited StatesRecord low maximum temperature8.9 C (48.0 F)26 of 100 (Routine)
ChattanoogaUnited StatesRecord low maximum temperature20.0 C (68.0 F)26 of 100 (Routine)

Counts by Type and Timescale

528 records
Records on 21 September 1975 by type Records set or tied on 21 September 1975 by type: Highest daily maximum 40, Lowest daily maximum 194, Highest daily minimum 66, Lowest daily minimum 71, Heaviest daily rainfall 156, Heaviest daily snowfall 1. 050100150200Highest daily maximum: 40Lowest daily maximum: 194Highest daily minimum: 66Lowest daily minimum: 71Heaviest daily rainfall: 156Heaviest daily snowfall: 1Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 September 1975 by type: Highest daily maximum 40, Lowest daily maximum 194, Highest daily minimum 66, Lowest daily minimum 71, Heaviest daily rainfall 156, Heaviest daily snowfall 1.
Records on 21 September 1975 by type
Record typeRecords
Highest daily maximum40
Lowest daily maximum194
Highest daily minimum66
Lowest daily minimum71
Heaviest daily rainfall156
Heaviest daily snowfall1
Deepest snow cover0
Records on 21 September 1975 by timescale Records on 21 September 1975 by timescale: all-time 0, monthly 9, daily 519. 0200400600all-time: 0monthly: 9daily: 519all-timemonthlydaily
Records on 21 September 1975 by timescale: all-time 0, monthly 9, daily 519.
Records on 21 September 1975 by timescale
TimescaleRecords
all-time0
monthly9
daily519

How Much Records Were Beaten By

411 broken records
Histogram of margins by which records were beaten on 21 September 1975 Margins by which the 411 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 56.8. Ties are not counted. 01002003004000 to 10: 36610 to 20: 2820 to 30: 730 to 40: 740 to 50: 250 to 60: 10 to 1010 to 2020 to 3030 to 4040 to 5050 to 60
Margins by which the 411 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 56.8. Ties are not counted.
Histogram of margins by which records were beaten on 21 September 1975
MarginRecords
0 to 10366
10 to 2028
20 to 307
30 to 407
40 to 502
50 to 601

Top 20 by Significance

21 September 1975
Top 20 records on 21 September 1975 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 September 1975Chillingham (Limpinwood), AUdaily rain54.0 mm (2.1 in)45.1 mm (1.8 in)12 years47 of 100 (Notable)
21 September 1975Neran, RUdaily rain74.6 mm (2.9 in)56.8 mm (2.2 in)6 years46 of 100 (Notable)
21 September 1975Komsomolsk-Na-Amure, RUdaily rain48.0 mm (1.9 in)40.9 mm (1.6 in)5 years45 of 100 (Notable)
21 September 1975Pogibi, RUdaily rain43.2 mm (1.7 in)33.4 mm (1.3 in)2 years44 of 100 (Notable)
21 September 1975Bogorodskoe, RUmonthly rain50.4 mm (2.0 in)16.4 mm (0.6 in)10 years42 of 100 (Notable)
21 September 1975Tivjaku, RUdaily rain55.7 mm (2.2 in)25.3 mm (1.0 in)32 years42 of 100 (Notable)
21 September 1975Mys Yelizavety, RUdaily rain55.9 mm (2.2 in)32.0 mm (1.3 in)6 years40 of 100 (Notable)
21 September 1975Birobidzhan, RUmonthly rain89.9 mm (3.5 in)20.5 mm (0.8 in)21 years39 of 100 (Notable)
21 September 1975Dolinsk, RUdaily rain53.1 mm (2.1 in)27.7 mm (1.1 in)36 years39 of 100 (Notable)
21 September 1975Bira, RUdaily rain50.5 mm (2.0 in)36.0 mm (1.4 in)8 years37 of 100 (Notable)
21 September 1975Vjazemskaja, RUdaily rain33.3 mm (1.3 in)25.4 mm (1.0 in)6 years37 of 100 (Notable)
21 September 1975Mtunzini, ZAdaily rain42.5 mm (1.7 in)28.0 mm (1.1 in)56 years37 of 100 (Notable)
21 September 1975Urmi, RUdaily rain50.3 mm (2.0 in)33.9 mm (1.3 in)20 years36 of 100 (Notable)
21 September 1975Vandalia, USdaily low max13.3 C (55.9 F)6.1 C (11.0 F)62 years36 of 100 (Notable)
21 September 1975Krasnyj Jar, RUdaily rain30.1 mm (1.2 in)20.7 mm (0.8 in)29 years35 of 100 (Notable)
21 September 1975Newport, USdaily high max31.7 C (89.1 F)2.3 C (4.1 F)68 years35 of 100 (Notable)
21 September 1975McAlester Rgnl AP, USdaily low max17.2 C (63.0 F)4.5 C (8.1 F)61 years35 of 100 (Notable)
21 September 1975Ohotsk, RUdaily low min-3.9 C (25.0 F)0.7 C (1.3 F)83 years34 of 100 (Routine)
21 September 1975Galesburg, USdaily low max13.3 C (55.9 F)2.8 C (5.0 F)70 years34 of 100 (Routine)
21 September 1975Geneseo, USdaily low max13.3 C (55.9 F)2.8 C (5.0 F)70 years34 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

1805 to 1975
Records on 09-21 in each year Records set or tied on this calendar date in each year from 1805 to 1975. 1975 had 528 records. 01,0002,0003,0001805: 11812: 11825: 21840: 11841: 11842: 11848: 11854: 11856: 21868: 11872: 21873: 11877: 11878: 11881: 11882: 11884: 11886: 11888: 21889: 11891: 101892: 11893: 101894: 21895: 31896: 21897: 61898: 61899: 31900: 21901: 51902: 51903: 81904: 201905: 121906: 171907: 101908: 171909: 101910: 81911: 181912: 261913: 371914: 291915: 341916: 481917: 281918: 431919: 541920: 291921: 641922: 351923: 2321924: 2911925: 2781926: 1781927: 1651928: 811929: 2321930: 821931: 6811932: 2421933: 1931934: 4921935: 1991936: 3291937: 4871938: 5081939: 3081940: 9081941: 4161942: 2911943: 4071944: 4131945: 5071946: 1761947: 5341948: 3011949: 2981950: 3341951: 2411952: 4301953: 3821954: 4531955: 7521956: 1,1001957: 3661958: 5881959: 5131960: 4181961: 4411962: 1,0851963: 3061964: 3741965: 1,0881966: 5651967: 5771968: 7901969: 5931970: 7081971: 6451972: 5991973: 4211974: 6521975: 5281976: 6941977: 9181978: 8181979: 7361980: 9901981: 6961982: 1,4841983: 2,2071984: 7071985: 7961986: 6711987: 9651988: 5571989: 1,0021990: 7161991: 1,0211992: 7521993: 9111994: 7131995: 2,0021996: 1,2331997: 1,1121998: 1,4811999: 1,0252000: 8842001: 7182002: 6962003: 9592004: 8882005: 1,1432006: 9202007: 7422008: 7402009: 7152010: 1,2902011: 5422012: 5952013: 7692014: 7162015: 5652016: 9892017: 1,1782018: 1,0512019: 8332020: 5802021: 4652022: 1,0492023: 7832024: 4702025: 5882026: 4691805188419031919193519511967198319992015
Records set or tied on this calendar date in each year from 1805 to 1975. 1975 had 528 records.
Counts for years before the ledger starts come from the same station rules.
Records on 09-21 in each year
YearRecords
18051
18121
18252
18401
18411
18421
18481
18541
18562
18681
18722
18731
18771
18781
18811
18821
18841
18861
18882
18891
189110
18921
189310
18942
18953
18962
18976
18986
18993
19002
19015
19025
19038
190420
190512
190617
190710
190817
190910
19108
191118
191226
191337
191429
191534
191648
191728
191843
191954
192029
192164
192235
1923232
1924291
1925278
1926178
1927165
192881
1929232
193082
1931681
1932242
1933193
1934492
1935199
1936329
1937487
1938508
1939308
1940908
1941416
1942291
1943407
1944413
1945507
1946176
1947534
1948301
1949298
1950334
1951241
1952430
1953382
1954453
1955752
19561,100
1957366
1958588
1959513
1960418
1961441
19621,085
1963306
1964374
19651,088
1966565
1967577
1968790
1969593
1970708
1971645
1972599
1973421
1974652
1975528
1976694
1977918
1978818
1979736
1980990
1981696
19821,484
19832,207
1984707
1985796
1986671
1987965
1988557
19891,002
1990716
19911,021
1992752
1993911
1994713
19952,002
19961,233
19971,112
19981,481
19991,025
2000884
2001718
2002696
2003959
2004888
20051,143
2006920
2007742
2008740
2009715
20101,290
2011542
2012595
2013769
2014716
2015565
2016989
20171,178
20181,051
2019833
2020580
2021465
20221,049
2023783
2024470
2025588
2026469

Download the Data

  • Data for records on 1975-09-21: 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-12).