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Weather Records on 11 October 1909

17 weather records were set or tied worldwide on 11 October 1909. Highest significance: Palermo, IT.

Key Facts for 11 October 1909

  • On 11 October 1909, 17 weather records were set or tied at long-record stations worldwide.
  • 13 were record highs and 1 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 17 daily.
  • Palermo set a daily record precipitation of 18.4 mm (0.7 in) on 11 October 1909.
  • Across 165 earlier years (1793 to 2026) the same calendar date averaged 457 records.

Record Map

17 stations
Weather records on 11 October 1909 17 station records on 11 October 1909 are marked on the map, coloured by record type.
17 station records on 11 October 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 11 October 1909: highest significance records shown on the map
StationCountryTypeValueSignificance
PalermoItalyRecord daily precipitation18.4 mm (0.7 in)20 of 100 (Routine)
San Diego WboUnited StatesRecord high maximum temperature29.4 C (84.9 F)18 of 100 (Routine)
Montreal McGillCanadaRecord high minimum temperature13.9 C (57.0 F)16 of 100 (Routine)
Winnipeg St Johns CollCanadaRecord daily snowfall0.3 cm (0.1 in)14 of 100 (Routine)
QuebecCanadaRecord high minimum temperature10.0 C (50.0 F)14 of 100 (Routine)
Kingston Queens UCanadaRecord high minimum temperature15.0 C (59.0 F)11 of 100 (Routine)
Olympia Priest Pt ParkUnited StatesRecord high maximum temperature23.3 C (73.9 F)11 of 100 (Routine)
Walgett Council DepotAustraliaRecord high minimum temperature20.6 C (69.1 F)9 of 100 (Routine)
Portland Rfc CityUnited StatesRecord high maximum temperature26.7 C (80.1 F)8 of 100 (Routine)
Saint JohnCanadaRecord high minimum temperature12.8 C (55.0 F)7 of 100 (Routine)
DalhousieCanadaRecord high minimum temperature8.3 C (46.9 F)6 of 100 (Routine)
St John'sCanadaRecord high minimum temperature10.6 C (51.1 F)4 of 100 (Routine)
Colesberg (Tnk)South AfricaRecord daily precipitation3.8 mm (0.15 in)3 of 100 (Routine)
La Crosse Wb CityUnited StatesRecord low minimum temperature-2.2 C (28.0 F)3 of 100 (Routine)
Fredericton UnbCanadaRecord high minimum temperature10.0 C (50.0 F)2 of 100 (Routine)
Forbes (Camp Street)AustraliaRecord high minimum temperature15.6 C (60.1 F)1 of 100 (Routine)
PortlandUnited StatesRecord high minimum temperature11.7 C (53.1 F)1 of 100 (Routine)

Counts by Type and Timescale

17 records
Records on 11 October 1909 by type Records set or tied on 11 October 1909 by type: Highest daily maximum 3, Highest daily minimum 10, Lowest daily minimum 1, Heaviest daily rainfall 2, Heaviest daily snowfall 1. 035810Highest daily maximum: 3Lowest daily maximum: 0Highest daily minimum: 10Lowest daily minimum: 1Heaviest daily rainfall: 2Heaviest daily snowfall: 1Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 11 October 1909 by type: Highest daily maximum 3, Highest daily minimum 10, Lowest daily minimum 1, Heaviest daily rainfall 2, Heaviest daily snowfall 1.
Records on 11 October 1909 by type
Record typeRecords
Highest daily maximum3
Lowest daily maximum0
Highest daily minimum10
Lowest daily minimum1
Heaviest daily rainfall2
Heaviest daily snowfall1
Deepest snow cover0
Records on 11 October 1909 by timescale Records on 11 October 1909 by timescale: all-time 0, monthly 0, daily 17. 05101520all-time: 0monthly: 0daily: 17all-timemonthlydaily
Records on 11 October 1909 by timescale: all-time 0, monthly 0, daily 17.
Records on 11 October 1909 by timescale
TimescaleRecords
all-time0
monthly0
daily17

How Much Records Were Beaten By

13 broken records
Histogram of margins by which records were beaten on 11 October 1909 Margins by which the 13 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 3.0. Ties are not counted. 02460.0 to 0.5: 10.5 to 1.0: 31.0 to 1.5: 51.5 to 2.0: 12.0 to 2.5: 02.5 to 3.0: 30.0 to 0.50.5 to 1.01.0 to 1.51.5 to 2.02.0 to 2.52.5 to 3.0
Margins by which the 13 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 3.0. Ties are not counted.
Histogram of margins by which records were beaten on 11 October 1909
MarginRecords
0.0 to 0.51
0.5 to 1.03
1.0 to 1.55
1.5 to 2.01
2.0 to 2.50
2.5 to 3.03

Top 20 by Significance

11 October 1909
Top 17 records on 11 October 1909 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
11 October 1909Palermo, ITdaily rain18.4 mm (0.7 in)1.2 mm (0.05 in)35 years20 of 100 (Routine)
11 October 1909San Diego Wbo, USdaily high max29.4 C (84.9 F)2.7 C (4.9 F)20 years18 of 100 (Routine)
11 October 1909Montreal McGill, CAdaily high min13.9 C (57.0 F)1.1 C (2.0 F)37 years16 of 100 (Routine)
11 October 1909Winnipeg St Johns Coll, CAdaily snowfall0.3 cm (0.1 in)0.3 cm (0.1 in)36 years14 of 100 (Routine)
11 October 1909Quebec, CAdaily high min10.0 C (50.0 F)1.7 C (3.1 F)25 years14 of 100 (Routine)
11 October 1909Kingston Queens U, CAdaily high min15.0 C (59.0 F)1.1 C (2.0 F)22 years11 of 100 (Routine)
11 October 1909Olympia Priest Pt Park, USdaily high max23.3 C (73.9 F)2.7 C (4.9 F)2 years11 of 100 (Routine)
11 October 1909Walgett Council Depot, AUdaily high min20.6 C (69.1 F)0.5 C (0.9 F)16 years9 of 100 (Routine)
11 October 1909Portland Rfc City, USdaily high max26.7 C (80.1 F)0.6 C (1.1 F)13 years8 of 100 (Routine)
11 October 1909Saint John, CAdaily high min12.8 C (55.0 F)1.1 C (2.0 F)8 years7 of 100 (Routine)
11 October 1909Dalhousie, CAdaily high min8.3 C (46.9 F)1.1 C (2.0 F)6 years6 of 100 (Routine)
11 October 1909St John's, CAdaily high min10.6 C (51.1 F)0.6 C (1.1 F)3 years4 of 100 (Routine)
11 October 1909Colesberg (Tnk), ZAdaily rain3.8 mm (0.15 in)0.2 mm (0.01 in)3 years3 of 100 (Routine)
11 October 1909La Crosse Wb City, USdaily low min (Tie)-2.2 C (28.0 F)tie32 years3 of 100 (Routine)
11 October 1909Fredericton Unb, CAdaily high min (Tie)10.0 C (50.0 F)tie28 years2 of 100 (Routine)
11 October 1909Forbes (Camp Street), AUdaily high min (Tie)15.6 C (60.1 F)tie14 years1 of 100 (Routine)
11 October 1909Portland, USdaily high min (Tie)11.7 C (53.1 F)tie8 years1 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

1793 to 1909
Records on 10-11 in each year Records set or tied on this calendar date in each year from 1793 to 1909. 1909 had 17 records. 01,0002,0003,0001793: 11801: 11802: 21803: 11805: 11807: 11811: 11814: 21839: 11845: 11849: 11851: 11852: 11854: 11859: 11860: 41861: 11864: 21867: 21869: 11870: 11872: 21873: 21875: 11876: 41877: 31879: 21880: 21884: 21885: 51887: 41888: 21889: 31890: 11891: 21892: 21896: 21897: 41898: 41900: 11901: 81902: 141903: 101904: 201905: 171906: 521907: 101908: 111909: 171910: 311911: 141912: 211913: 481914: 401915: 141916: 251917: 481918: 321919: 761920: 1401921: 921922: 351923: 2311924: 1491925: 1961926: 1371927: 1761928: 7131929: 2591930: 6561931: 3961932: 2351933: 2001934: 8621935: 2451936: 2431937: 2421938: 4381939: 2491940: 2011941: 1901942: 5371943: 4141944: 2471945: 2841946: 7701947: 4051948: 7361949: 8351950: 4501951: 5381952: 4721953: 4081954: 6721955: 4341956: 8941957: 2581958: 7951959: 1,0271960: 3331961: 6101962: 8571963: 5701964: 9271965: 2021966: 2791967: 6431968: 3121969: 1,0321970: 8591971: 5211972: 7081973: 1,3251974: 3561975: 5591976: 5651977: 6551978: 4261979: 1,2601980: 4781981: 7761982: 1,1411983: 5421984: 5521985: 9771986: 9611987: 1,6031988: 6211989: 5711990: 1,6171991: 1,0551992: 5271993: 8831994: 7261995: 9751996: 8421997: 1,8091998: 7501999: 9962000: 1,7822001: 9622002: 1,0002003: 1,1912004: 5932005: 1,0442006: 8402007: 6102008: 1,3692009: 2,5942010: 9642011: 1,1762012: 6962013: 6662014: 6202015: 1,0322016: 3782017: 1,1012018: 1,5172019: 1,7602020: 6802021: 8732022: 2442023: 8582024: 8422025: 7112026: 8641793186418911912192919461963198019972014
Records set or tied on this calendar date in each year from 1793 to 1909. 1909 had 17 records.
Counts for years before the ledger starts come from the same station rules.
Records on 10-11 in each year
YearRecords
17931
18011
18022
18031
18051
18071
18111
18142
18391
18451
18491
18511
18521
18541
18591
18604
18611
18642
18672
18691
18701
18722
18732
18751
18764
18773
18792
18802
18842
18855
18874
18882
18893
18901
18912
18922
18962
18974
18984
19001
19018
190214
190310
190420
190517
190652
190710
190811
190917
191031
191114
191221
191348
191440
191514
191625
191748
191832
191976
1920140
192192
192235
1923231
1924149
1925196
1926137
1927176
1928713
1929259
1930656
1931396
1932235
1933200
1934862
1935245
1936243
1937242
1938438
1939249
1940201
1941190
1942537
1943414
1944247
1945284
1946770
1947405
1948736
1949835
1950450
1951538
1952472
1953408
1954672
1955434
1956894
1957258
1958795
19591,027
1960333
1961610
1962857
1963570
1964927
1965202
1966279
1967643
1968312
19691,032
1970859
1971521
1972708
19731,325
1974356
1975559
1976565
1977655
1978426
19791,260
1980478
1981776
19821,141
1983542
1984552
1985977
1986961
19871,603
1988621
1989571
19901,617
19911,055
1992527
1993883
1994726
1995975
1996842
19971,809
1998750
1999996
20001,782
2001962
20021,000
20031,191
2004593
20051,044
2006840
2007610
20081,369
20092,594
2010964
20111,176
2012696
2013666
2014620
20151,032
2016378
20171,101
20181,517
20191,760
2020680
2021873
2022244
2023858
2024842
2025711
2026864

Download the Data

  • Data for records on 1909-10-11: 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).