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Built 2026-10-19 (19 October 2026)

Weather Records on 31 October 1909

15 weather records were set or tied worldwide on 31 October 1909. Highest significance: Calga, AU.

Key Facts for 31 October 1909

  • On 31 October 1909, 15 weather records were set or tied at long-record stations worldwide.
  • 5 were record highs and 5 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 14 daily.
  • Calga set a daily record precipitation of 39.9 mm (1.6 in) on 31 October 1909.
  • Across 163 earlier years (1805 to 2025) the same calendar date averaged 474 records.

Record Map

15 stations
Weather records on 31 October 1909 15 station records on 31 October 1909 are marked on the map, coloured by record type.
15 station records on 31 October 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 31 October 1909: highest significance records shown on the map
StationCountryTypeValueSignificance
CalgaAustraliaRecord daily precipitation39.9 mm (1.6 in)36 of 100 (Notable)
Nuwara EliyaSri LankaRecord high maximum temperature22.8 C (73.0 F)20 of 100 (Routine)
KinchegaAustraliaRecord daily precipitation7.1 mm (0.28 in)17 of 100 (Routine)
ArmaghUnited KingdomRecord low minimum temperature-3.9 C (25.0 F)16 of 100 (Routine)
ArmaghUnited KingdomRecord low maximum temperature6.2 C (43.2 F)15 of 100 (Routine)
Olympia Priest Pt ParkUnited StatesRecord daily precipitation31.8 mm (1.3 in)13 of 100 (Routine)
Nuwara EliyaSri LankaRecord low minimum temperature5.9 C (42.6 F)12 of 100 (Routine)
Dubuque RiverUnited StatesRecord daily precipitation20.6 mm (0.8 in)11 of 100 (Routine)
WashingtonUnited StatesRecord high maximum temperature26.1 C (79.0 F)11 of 100 (Routine)
Milwaukee Wb CityUnited StatesRecord high maximum temperature22.8 C (73.0 F)10 of 100 (Routine)
Baltimore Customs HouseUnited StatesRecord high maximum temperature25.6 C (78.1 F)7 of 100 (Routine)
HambantotaSri LankaRecord low minimum temperature20.6 C (69.1 F)4 of 100 (Routine)
Dublin Phoenix ParkIrelandRecord low minimum temperature-0.4 C (31.3 F)3 of 100 (Routine)
Madison Wb CityUnited StatesRecord high maximum temperature20.6 C (69.1 F)1 of 100 (Routine)
Menindee (Weinteriga)AustraliaRecord daily precipitation10.2 mm (0.4 in)0 of 100 (Routine)

Counts by Type and Timescale

15 records
Records on 31 October 1909 by type Records set or tied on 31 October 1909 by type: Highest daily maximum 5, Lowest daily maximum 1, Lowest daily minimum 4, Heaviest daily rainfall 5. 0246Highest daily maximum: 5Lowest daily maximum: 1Highest daily minimum: 0Lowest daily minimum: 4Heaviest daily rainfall: 5Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 31 October 1909 by type: Highest daily maximum 5, Lowest daily maximum 1, Lowest daily minimum 4, Heaviest daily rainfall 5.
Records on 31 October 1909 by type
Record typeRecords
Highest daily maximum5
Lowest daily maximum1
Highest daily minimum0
Lowest daily minimum4
Heaviest daily rainfall5
Heaviest daily snowfall0
Deepest snow cover0
Records on 31 October 1909 by timescale Records on 31 October 1909 by timescale: all-time 0, monthly 1, daily 14. 051015all-time: 0monthly: 1daily: 14all-timemonthlydaily
Records on 31 October 1909 by timescale: all-time 0, monthly 1, daily 14.
Records on 31 October 1909 by timescale
TimescaleRecords
all-time0
monthly1
daily14

How Much Records Were Beaten By

11 broken records
Histogram of margins by which records were beaten on 31 October 1909 Margins by which the 11 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 26.9. Ties are not counted. 024680 to 5: 75 to 10: 310 to 15: 015 to 20: 020 to 25: 025 to 30: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 30
Margins by which the 11 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 26.9. Ties are not counted.
Histogram of margins by which records were beaten on 31 October 1909
MarginRecords
0 to 57
5 to 103
10 to 150
15 to 200
20 to 250
25 to 301

Top 20 by Significance

31 October 1909
Top 15 records on 31 October 1909 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
31 October 1909Calga, AUdaily rain39.9 mm (1.6 in)26.9 mm (1.1 in)30 years36 of 100 (Notable)
31 October 1909Nuwara Eliya, LKdaily high max22.8 C (73.0 F)1.1 C (2.0 F)37 years20 of 100 (Routine)
31 October 1909Kinchega, AUdaily rain7.1 mm (0.28 in)6.6 mm (0.26 in)24 years17 of 100 (Routine)
31 October 1909Armagh, GBdaily low min-3.9 C (25.0 F)2.2 C (4.0 F)15 years16 of 100 (Routine)
31 October 1909Armagh, GBdaily low max6.2 C (43.2 F)0.3 C (0.5 F)27 years15 of 100 (Routine)
31 October 1909Olympia Priest Pt Park, USdaily rain31.8 mm (1.3 in)6.4 mm (0.25 in)12 years13 of 100 (Routine)
31 October 1909Nuwara Eliya, LKdaily low min5.9 C (42.6 F)1.4 C (2.5 F)4 years12 of 100 (Routine)
31 October 1909Dubuque River, USdaily rain20.6 mm (0.8 in)6.1 mm (0.24 in)8 years11 of 100 (Routine)
31 October 1909Washington, USdaily high max26.1 C (79.0 F)1.7 C (3.1 F)12 years11 of 100 (Routine)
31 October 1909Milwaukee Wb City, USdaily high max22.8 C (73.0 F)0.6 C (1.1 F)20 years10 of 100 (Routine)
31 October 1909Baltimore Customs House, USdaily high max25.6 C (78.1 F)0.6 C (1.1 F)12 years7 of 100 (Routine)
31 October 1909Hambantota, LKmonthly low min (Tie)20.6 C (69.1 F)tie15 years4 of 100 (Routine)
31 October 1909Dublin Phoenix Park, IEdaily low min (Tie)-0.4 C (31.3 F)tie27 years3 of 100 (Routine)
31 October 1909Madison Wb City, USdaily high max (Tie)20.6 C (69.1 F)tie8 years1 of 100 (Routine)
31 October 1909Menindee (Weinteriga), AUdaily rain (Tie)10.2 mm (0.4 in)tie3 years0 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 1909
Records on 10-31 in each year Records set or tied on this calendar date in each year from 1805 to 1909. 1909 had 15 records. 01,0002,0003,0004,0001805: 11811: 21828: 11836: 11838: 11839: 11841: 11845: 11847: 21848: 11852: 21856: 11865: 11868: 11869: 31873: 21875: 21876: 11877: 11878: 11879: 11880: 11881: 61883: 11884: 31886: 11887: 21888: 31889: 51891: 31892: 41893: 31894: 51895: 41896: 101897: 11898: 51899: 41900: 51901: 41902: 51903: 51904: 71905: 211906: 381907: 221908: 131909: 151910: 181911: 321912: 141913: 391914: 331915: 111916: 721917: 671918: 721919: 1121920: 631921: 221922: 721923: 3591924: 2441925: 4051926: 1531927: 1831928: 1201929: 2341930: 2401931: 1781932: 2601933: 7961934: 4101935: 9811936: 3071937: 3351938: 3991939: 4151940: 2481941: 5361942: 5781943: 2131944: 6111945: 2871946: 5301947: 3711948: 6951949: 8311950: 1,2371951: 5271952: 3931953: 3031954: 4601955: 4271956: 1,0861957: 3921958: 3141959: 4841960: 2961961: 5111962: 3441963: 6311964: 5381965: 3401966: 6301967: 7481968: 6051969: 5311970: 4121971: 9921972: 1,2341973: 5811974: 1,1921975: 8271976: 6551977: 6161978: 5381979: 1,1301980: 6571981: 4971982: 5601983: 7821984: 1,0541985: 6321986: 3961987: 1,0021988: 1,0581989: 8571990: 9901991: 3,2941992: 1,3241993: 2,9261994: 1,0041995: 1,0511996: 1,0741997: 1,5531998: 1,4101999: 9972000: 1,1142001: 1,2182002: 1,6132003: 1,1672004: 8702005: 1,0482006: 8422007: 6132008: 1,2562009: 1,0302010: 9312011: 7462012: 8842013: 6232014: 5472015: 6912016: 1,0122017: 4372018: 4142019: 2,5012020: 5422021: 4692022: 4972023: 9602024: 1,1332025: 3141805187618961913193019471964198119982015
Records set or tied on this calendar date in each year from 1805 to 1909. 1909 had 15 records.
Counts for years before the ledger starts come from the same station rules.
Records on 10-31 in each year
YearRecords
18051
18112
18281
18361
18381
18391
18411
18451
18472
18481
18522
18561
18651
18681
18693
18732
18752
18761
18771
18781
18791
18801
18816
18831
18843
18861
18872
18883
18895
18913
18924
18933
18945
18954
189610
18971
18985
18994
19005
19014
19025
19035
19047
190521
190638
190722
190813
190915
191018
191132
191214
191339
191433
191511
191672
191767
191872
1919112
192063
192122
192272
1923359
1924244
1925405
1926153
1927183
1928120
1929234
1930240
1931178
1932260
1933796
1934410
1935981
1936307
1937335
1938399
1939415
1940248
1941536
1942578
1943213
1944611
1945287
1946530
1947371
1948695
1949831
19501,237
1951527
1952393
1953303
1954460
1955427
19561,086
1957392
1958314
1959484
1960296
1961511
1962344
1963631
1964538
1965340
1966630
1967748
1968605
1969531
1970412
1971992
19721,234
1973581
19741,192
1975827
1976655
1977616
1978538
19791,130
1980657
1981497
1982560
1983782
19841,054
1985632
1986396
19871,002
19881,058
1989857
1990990
19913,294
19921,324
19932,926
19941,004
19951,051
19961,074
19971,553
19981,410
1999997
20001,114
20011,218
20021,613
20031,167
2004870
20051,048
2006842
2007613
20081,256
20091,030
2010931
2011746
2012884
2013623
2014547
2015691
20161,012
2017437
2018414
20192,501
2020542
2021469
2022497
2023960
20241,133
2025314

Download the Data

  • Data for records on 1909-10-31: 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).