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Weather Records on 30 September 1911

47 weather records were set or tied worldwide on 30 September 1911. Highest significance: Groningen-1, NL.

Key Facts for 30 September 1911

  • On 30 September 1911, 47 weather records were set or tied at long-record stations worldwide.
  • 1 were record highs and 8 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 46 daily.
  • Groningen-1 set a daily record precipitation of 29.6 mm (1.2 in) on 30 September 1911.
  • Across 161 earlier years (1806 to 2026) the same calendar date averaged 442 records.

Record Map

47 stations
Weather records on 30 September 1911 47 station records on 30 September 1911 are marked on the map, coloured by record type.
47 station records on 30 September 1911 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 30 September 1911: highest significance records shown on the map
StationCountryTypeValueSignificance
Groningen-1NetherlandsRecord daily precipitation29.6 mm (1.2 in)49 of 100 (Notable)
Humansdorp (Pol)South AfricaRecord daily precipitation51.1 mm (2.0 in)39 of 100 (Notable)
HelmondNetherlandsRecord daily precipitation30.0 mm (1.2 in)32 of 100 (Routine)
Kei Road (Pol)South AfricaRecord daily precipitation40.9 mm (1.6 in)32 of 100 (Routine)
Calitzdorp PolSouth AfricaRecord daily precipitation26.9 mm (1.1 in)27 of 100 (Routine)
West TerschellingNetherlandsRecord daily precipitation25.3 mm (1.0 in)23 of 100 (Routine)
UccleBelgiumRecord daily precipitation40.7 mm (1.6 in)22 of 100 (Routine)
La Crosse Wb CityUnited StatesRecord daily precipitation26.9 mm (1.1 in)22 of 100 (Routine)
WinterswijkNetherlandsRecord daily precipitation20.4 mm (0.8 in)20 of 100 (Routine)
ScheveningenNetherlandsRecord daily precipitation23.8 mm (0.9 in)20 of 100 (Routine)
HamiltonAustraliaRecord daily precipitation19.3 mm (0.8 in)20 of 100 (Routine)
WallalooAustraliaRecord daily precipitation13.2 mm (0.5 in)20 of 100 (Routine)
Somerset EastSouth AfricaRecord daily precipitation29.2 mm (1.1 in)20 of 100 (Routine)
OudtshoornSouth AfricaRecord daily precipitation23.4 mm (0.9 in)19 of 100 (Routine)
SterlingSouth AfricaRecord daily precipitation19.1 mm (0.8 in)19 of 100 (Routine)
KristianstadSwedenRecord daily precipitation10.4 mm (0.4 in)18 of 100 (Routine)
Balranald (Rsl)AustraliaRecord daily precipitation3.8 mm (0.15 in)17 of 100 (Routine)
GoglandRussiaRecord daily precipitation14.2 mm (0.6 in)17 of 100 (Routine)
Daly WatersAustraliaRecord daily precipitation2.5 mm (0.10 in)16 of 100 (Routine)
Eden (Caravan Park)AustraliaRecord daily precipitation13.2 mm (0.5 in)16 of 100 (Routine)
Jerilderie (Yanko Station)AustraliaRecord daily precipitation8.1 mm (0.32 in)16 of 100 (Routine)
CharlottetownCanadaRecord low maximum temperature7.8 C (46.0 F)16 of 100 (Routine)
Tennant Creek Post OfficeAustraliaRecord daily precipitation6.6 mm (0.26 in)15 of 100 (Routine)
Colesberg (Tnk)South AfricaRecord daily precipitation47.0 mm (1.9 in)14 of 100 (Routine)
CulpotaroAustraliaRecord daily precipitation1.5 mm (0.06 in)13 of 100 (Routine)
Kurrajong Heights (Bells LineAustraliaRecord daily precipitation11.4 mm (0.4 in)13 of 100 (Routine)
HalifaxCanadaRecord low maximum temperature8.9 C (48.0 F)13 of 100 (Routine)
RegensburgGermanyRecord low minimum temperature2.8 C (37.0 F)13 of 100 (Routine)
ArnsbergGermanyRecord low maximum temperature9.9 C (49.8 F)13 of 100 (Routine)
FalsterboSwedenRecord daily precipitation12.5 mm (0.5 in)13 of 100 (Routine)
Kingston Queens UCanadaRecord low minimum temperature-0.6 C (30.9 F)12 of 100 (Routine)
Nordby (Fano)DenmarkRecord daily precipitation9.7 mm (0.38 in)12 of 100 (Routine)
BambergGermanyRecord low minimum temperature1.9 C (35.4 F)11 of 100 (Routine)
WellwoodSouth AfricaRecord daily precipitation11.2 mm (0.4 in)11 of 100 (Routine)
Bringelly (Maryland)AustraliaRecord daily precipitation13.0 mm (0.5 in)10 of 100 (Routine)
Goulburn River @ SheppartonAustraliaRecord daily precipitation12.2 mm (0.5 in)10 of 100 (Routine)
Jacksonville Wb CityUnited StatesRecord high maximum temperature34.4 C (93.9 F)10 of 100 (Routine)
HalifaxCanadaRecord daily precipitation54.4 mm (2.1 in)9 of 100 (Routine)
Port Augusta Post OfficeAustraliaRecord daily precipitation3.0 mm (0.12 in)8 of 100 (Routine)
Hill End Post OfficeAustraliaRecord daily precipitation4.1 mm (0.16 in)8 of 100 (Routine)
SydneyCanadaRecord daily precipitation54.9 mm (2.2 in)8 of 100 (Routine)
ArnsbergGermanyRecord daily precipitation17.2 mm (0.7 in)8 of 100 (Routine)
Nordby (Fano)DenmarkRecord low maximum temperature10.2 C (50.4 F)7 of 100 (Routine)
Picton Council DepotAustraliaRecord daily precipitation11.9 mm (0.5 in)2 of 100 (Routine)
YarmouthCanadaRecord low maximum temperature10.0 C (50.0 F)2 of 100 (Routine)
Lake CowalAustraliaRecord daily precipitation1.3 mm (0.05 in)1 of 100 (Routine)
Mundarlo (Yabtree)AustraliaRecord daily precipitation18.3 mm (0.7 in)1 of 100 (Routine)

Counts by Type and Timescale

47 records
Records on 30 September 1911 by type Records set or tied on 30 September 1911 by type: Highest daily maximum 1, Lowest daily maximum 5, Lowest daily minimum 3, Heaviest daily rainfall 38. 010203040Highest daily maximum: 1Lowest daily maximum: 5Highest daily minimum: 0Lowest daily minimum: 3Heaviest daily rainfall: 38Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 30 September 1911 by type: Highest daily maximum 1, Lowest daily maximum 5, Lowest daily minimum 3, Heaviest daily rainfall 38.
Records on 30 September 1911 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum5
Highest daily minimum0
Lowest daily minimum3
Heaviest daily rainfall38
Heaviest daily snowfall0
Deepest snow cover0
Records on 30 September 1911 by timescale Records on 30 September 1911 by timescale: all-time 0, monthly 1, daily 46. 0204060all-time: 0monthly: 1daily: 46all-timemonthlydaily
Records on 30 September 1911 by timescale: all-time 0, monthly 1, daily 46.
Records on 30 September 1911 by timescale
TimescaleRecords
all-time0
monthly1
daily46

How Much Records Were Beaten By

43 broken records
Histogram of margins by which records were beaten on 30 September 1911 Margins by which the 43 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 30.5. Ties are not counted. 01020300 to 5: 245 to 10: 910 to 15: 615 to 20: 120 to 25: 125 to 30: 130 to 35: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 3030 to 35
Margins by which the 43 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 30.5. Ties are not counted.
Histogram of margins by which records were beaten on 30 September 1911
MarginRecords
0 to 524
5 to 109
10 to 156
15 to 201
20 to 251
25 to 301
30 to 351

Top 20 by Significance

30 September 1911
Top 20 records on 30 September 1911 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
30 September 1911Groningen-1, NLdaily rain29.6 mm (1.2 in)13.1 mm (0.5 in)58 years49 of 100 (Notable)
30 September 1911Humansdorp (Pol), ZAdaily rain51.1 mm (2.0 in)30.5 mm (1.2 in)28 years39 of 100 (Notable)
30 September 1911Helmond, NLdaily rain30.0 mm (1.2 in)14.0 mm (0.6 in)22 years32 of 100 (Routine)
30 September 1911Kei Road (Pol), ZAdaily rain40.9 mm (1.6 in)29.2 mm (1.1 in)5 years32 of 100 (Routine)
30 September 1911Calitzdorp Pol, ZAdaily rain26.9 mm (1.1 in)23.3 mm (0.9 in)12 years27 of 100 (Routine)
30 September 1911West Terschelling, NLdaily rain25.3 mm (1.0 in)9.1 mm (0.36 in)18 years23 of 100 (Routine)
30 September 1911Uccle, BEmonthly rain40.7 mm (1.6 in)0.5 mm (0.02 in)30 years22 of 100 (Routine)
30 September 1911La Crosse Wb City, USdaily rain26.9 mm (1.1 in)13.4 mm (0.5 in)31 years22 of 100 (Routine)
30 September 1911Winterswijk, NLdaily rain20.4 mm (0.8 in)11.7 mm (0.5 in)23 years20 of 100 (Routine)
30 September 1911Scheveningen, NLdaily rain23.8 mm (0.9 in)9.8 mm (0.39 in)32 years20 of 100 (Routine)
30 September 1911Hamilton, AUdaily rain19.3 mm (0.8 in)6.6 mm (0.26 in)20 years20 of 100 (Routine)
30 September 1911Wallaloo, AUdaily rain13.2 mm (0.5 in)6.1 mm (0.24 in)20 years20 of 100 (Routine)
30 September 1911Somerset East, ZAdaily rain29.2 mm (1.1 in)11.4 mm (0.4 in)28 years20 of 100 (Routine)
30 September 1911Oudtshoorn, ZAdaily rain23.4 mm (0.9 in)16.5 mm (0.6 in)1 year19 of 100 (Routine)
30 September 1911Sterling, ZAdaily rain19.1 mm (0.8 in)8.2 mm (0.32 in)28 years19 of 100 (Routine)
30 September 1911Kristianstad, SEdaily rain10.4 mm (0.4 in)3.0 mm (0.12 in)32 years18 of 100 (Routine)
30 September 1911Balranald (Rsl), AUdaily rain3.8 mm (0.15 in)3.8 mm (0.15 in)31 years17 of 100 (Routine)
30 September 1911Gogland, RUdaily rain14.2 mm (0.6 in)4.5 mm (0.18 in)22 years17 of 100 (Routine)
30 September 1911Daly Waters, AUdaily rain2.5 mm (0.10 in)2.5 mm (0.10 in)37 years16 of 100 (Routine)
30 September 1911Eden (Caravan Park), AUdaily rain13.2 mm (0.5 in)1.8 mm (0.07 in)38 years16 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

1806 to 1911
Records on 09-30 in each year Records set or tied on this calendar date in each year from 1806 to 1911. 1911 had 47 records. 01,0002,0003,0001806: 11813: 11817: 11819: 21834: 11841: 11842: 11847: 11853: 11854: 11855: 11861: 11862: 11866: 11868: 21869: 31870: 11874: 11877: 11878: 11881: 51883: 21885: 11886: 31887: 11888: 41889: 11892: 21893: 31894: 81895: 51896: 21897: 31898: 31899: 121900: 41901: 111902: 71903: 91904: 141905: 251906: 141907: 161908: 181909: 101910: 51911: 471912: 471913: 101914: 331915: 841916: 2091917: 191918: 451919: 281920: 711921: 611922: 711923: 1831924: 2431925: 2111926: 1941927: 4861928: 5601929: 1811930: 1101931: 2251932: 3631933: 4371934: 3981935: 2091936: 4321937: 4171938: 4281939: 3711940: 3161941: 4821942: 4051943: 4041944: 3691945: 8891946: 3201947: 4331948: 2671949: 3661950: 7311951: 5971952: 5041953: 1,1361954: 1,0591955: 4061956: 3501957: 6631958: 4421959: 1,1591960: 1611961: 6181962: 2021963: 8181964: 3321965: 4591966: 5921967: 8591968: 4491969: 4651970: 3341971: 1,3591972: 6761973: 4071974: 7421975: 6861976: 7751977: 8701978: 3991979: 4791980: 8321981: 6881982: 8061983: 1,1021984: 1,2671985: 1,8921986: 1,8051987: 6491988: 4531989: 7131990: 6651991: 9491992: 9801993: 9881994: 8161995: 1,0611996: 1,3961997: 7291998: 1,2061999: 1,1442000: 8872001: 6992002: 6772003: 1,0792004: 5732005: 7612006: 6172007: 8412008: 5852009: 8262010: 1,0592011: 1,2582012: 6372013: 6342014: 5292015: 9972016: 7462017: 4042018: 7172019: 2,1922020: 5542021: 8232022: 5632023: 1,0122024: 9482025: 5592026: 5231806187418991916193319501967198420012018
Records set or tied on this calendar date in each year from 1806 to 1911. 1911 had 47 records.
Counts for years before the ledger starts come from the same station rules.
Records on 09-30 in each year
YearRecords
18061
18131
18171
18192
18341
18411
18421
18471
18531
18541
18551
18611
18621
18661
18682
18693
18701
18741
18771
18781
18815
18832
18851
18863
18871
18884
18891
18922
18933
18948
18955
18962
18973
18983
189912
19004
190111
19027
19039
190414
190525
190614
190716
190818
190910
19105
191147
191247
191310
191433
191584
1916209
191719
191845
191928
192071
192161
192271
1923183
1924243
1925211
1926194
1927486
1928560
1929181
1930110
1931225
1932363
1933437
1934398
1935209
1936432
1937417
1938428
1939371
1940316
1941482
1942405
1943404
1944369
1945889
1946320
1947433
1948267
1949366
1950731
1951597
1952504
19531,136
19541,059
1955406
1956350
1957663
1958442
19591,159
1960161
1961618
1962202
1963818
1964332
1965459
1966592
1967859
1968449
1969465
1970334
19711,359
1972676
1973407
1974742
1975686
1976775
1977870
1978399
1979479
1980832
1981688
1982806
19831,102
19841,267
19851,892
19861,805
1987649
1988453
1989713
1990665
1991949
1992980
1993988
1994816
19951,061
19961,396
1997729
19981,206
19991,144
2000887
2001699
2002677
20031,079
2004573
2005761
2006617
2007841
2008585
2009826
20101,059
20111,258
2012637
2013634
2014529
2015997
2016746
2017404
2018717
20192,192
2020554
2021823
2022563
20231,012
2024948
2025559
2026523

Download the Data

  • Data for records on 1911-09-30: 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 . Last revised (2026-10-15).