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Built 2026-10-19 (19 October 2026)

Weather Records on 12 September 1903

18 weather records were set or tied worldwide on 12 September 1903. Highest significance: Winnipeg St Johns Coll, CA.

Key Facts for 12 September 1903

  • On 12 September 1903, 18 weather records were set or tied at long-record stations worldwide.
  • 12 were record highs and 4 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 17 daily.
  • Winnipeg St Johns Coll set a daily record precipitation of 39.1 mm (1.5 in) on 12 September 1903.
  • Across 164 earlier years (1793 to 2026) the same calendar date averaged 416 records.

Record Map

18 stations
Weather records on 12 September 1903 18 station records on 12 September 1903 are marked on the map, coloured by record type.
18 station records on 12 September 1903 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 12 September 1903: highest significance records shown on the map
StationCountryTypeValueSignificance
Winnipeg St Johns CollCanadaRecord daily precipitation39.1 mm (1.5 in)33 of 100 (Routine)
Melbourne Regional OfficeAustraliaRecord high minimum temperature18.7 C (65.7 F)25 of 100 (Routine)
Wagga Wagga (Kooringal)AustraliaRecord high minimum temperature15.6 C (60.1 F)19 of 100 (Routine)
Jacksonville Wb CityUnited StatesRecord low maximum temperature26.1 C (79.0 F)15 of 100 (Routine)
Deniliquin (Wilkinson St)AustraliaRecord high minimum temperature16.1 C (61.0 F)14 of 100 (Routine)
StratfordCanadaRecord high minimum temperature18.9 C (66.0 F)14 of 100 (Routine)
Saint JohnCanadaRecord high maximum temperature24.4 C (75.9 F)14 of 100 (Routine)
Dublin Phoenix ParkIrelandRecord low maximum temperature11.8 C (53.2 F)12 of 100 (Routine)
Deniliquin (Wilkinson St)AustraliaRecord high maximum temperature30.6 C (87.1 F)11 of 100 (Routine)
Darwin Post OfficeAustraliaRecord daily precipitation11.4 mm (0.4 in)10 of 100 (Routine)
Bourke Post OfficeAustraliaRecord high minimum temperature18.3 C (64.9 F)10 of 100 (Routine)
Sydney (Observatory Hill)AustraliaRecord high maximum temperature29.4 C (84.9 F)8 of 100 (Routine)
Melbourne Regional OfficeAustraliaRecord high maximum temperature24.9 C (76.8 F)8 of 100 (Routine)
Sydney (Observatory Hill)AustraliaRecord high minimum temperature17.5 C (63.5 F)7 of 100 (Routine)
Bourke Post OfficeAustraliaRecord high maximum temperature33.3 C (91.9 F)6 of 100 (Routine)
Wagga Wagga (Kooringal)AustraliaRecord high maximum temperature29.4 C (84.9 F)6 of 100 (Routine)
ArmaghUnited KingdomRecord low maximum temperature11.9 C (53.4 F)5 of 100 (Routine)
GalwayIrelandRecord low minimum temperature5.6 C (42.1 F)3 of 100 (Routine)

Counts by Type and Timescale

18 records
Records on 12 September 1903 by type Records set or tied on 12 September 1903 by type: Highest daily maximum 6, Lowest daily maximum 3, Highest daily minimum 6, Lowest daily minimum 1, Heaviest daily rainfall 2. 0246Highest daily maximum: 6Lowest daily maximum: 3Highest daily minimum: 6Lowest daily minimum: 1Heaviest daily rainfall: 2Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 12 September 1903 by type: Highest daily maximum 6, Lowest daily maximum 3, Highest daily minimum 6, Lowest daily minimum 1, Heaviest daily rainfall 2.
Records on 12 September 1903 by type
Record typeRecords
Highest daily maximum6
Lowest daily maximum3
Highest daily minimum6
Lowest daily minimum1
Heaviest daily rainfall2
Heaviest daily snowfall0
Deepest snow cover0
Records on 12 September 1903 by timescale Records on 12 September 1903 by timescale: all-time 0, monthly 1, daily 17. 05101520all-time: 0monthly: 1daily: 17all-timemonthlydaily
Records on 12 September 1903 by timescale: all-time 0, monthly 1, daily 17.
Records on 12 September 1903 by timescale
TimescaleRecords
all-time0
monthly1
daily17

How Much Records Were Beaten By

16 broken records
Histogram of margins by which records were beaten on 12 September 1903 Margins by which the 16 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.8. Ties are not counted. 0510150 to 5: 155 to 10: 010 to 15: 015 to 20: 020 to 25: 10 to 55 to 1010 to 1515 to 2020 to 25
Margins by which the 16 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.8. Ties are not counted.
Histogram of margins by which records were beaten on 12 September 1903
MarginRecords
0 to 515
5 to 100
10 to 150
15 to 200
20 to 251

Top 20 by Significance

12 September 1903
Top 18 records on 12 September 1903 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
12 September 1903Winnipeg St Johns Coll, CAdaily rain39.1 mm (1.5 in)20.8 mm (0.8 in)19 years33 of 100 (Routine)
12 September 1903Melbourne Regional Office, AUmonthly high min18.7 C (65.7 F)0.4 C (0.7 F)34 years25 of 100 (Routine)
12 September 1903Wagga Wagga (Kooringal), AUdaily high min15.6 C (60.1 F)3.9 C (7.0 F)17 years19 of 100 (Routine)
12 September 1903Jacksonville Wb City, USdaily low max26.1 C (79.0 F)1.1 C (2.0 F)27 years15 of 100 (Routine)
12 September 1903Deniliquin (Wilkinson St), AUdaily high min16.1 C (61.0 F)1.4 C (2.5 F)25 years14 of 100 (Routine)
12 September 1903Stratford, CAdaily high min18.9 C (66.0 F)0.6 C (1.1 F)34 years14 of 100 (Routine)
12 September 1903Saint John, CAdaily high max24.4 C (75.9 F)2.2 C (4.0 F)13 years14 of 100 (Routine)
12 September 1903Dublin Phoenix Park, IEdaily low max11.8 C (53.2 F)0.5 C (0.9 F)26 years12 of 100 (Routine)
12 September 1903Deniliquin (Wilkinson St), AUdaily high max30.6 C (87.1 F)2.3 C (4.1 F)6 years11 of 100 (Routine)
12 September 1903Darwin Post Office, AUdaily rain11.4 mm (0.4 in)3.0 mm (0.12 in)17 years10 of 100 (Routine)
12 September 1903Bourke Post Office, AUdaily high min18.3 C (64.9 F)1.1 C (2.0 F)17 years10 of 100 (Routine)
12 September 1903Sydney (Observatory Hill), AUdaily high max29.4 C (84.9 F)1.4 C (2.5 F)1 year8 of 100 (Routine)
12 September 1903Melbourne Regional Office, AUdaily high max24.9 C (76.8 F)1.2 C (2.2 F)3 years8 of 100 (Routine)
12 September 1903Sydney (Observatory Hill), AUdaily high min17.5 C (63.5 F)0.4 C (0.7 F)6 years7 of 100 (Routine)
12 September 1903Bourke Post Office, AUdaily high max33.3 C (91.9 F)1.4 C (2.5 F)1 year6 of 100 (Routine)
12 September 1903Wagga Wagga (Kooringal), AUdaily high max29.4 C (84.9 F)0.5 C (0.9 F)6 years6 of 100 (Routine)
12 September 1903Armagh, GBdaily low max (Tie)11.9 C (53.4 F)tie49 years5 of 100 (Routine)
12 September 1903Galway, IEdaily low min (Tie)5.6 C (42.1 F)tie38 years3 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 1903
Records on 09-12 in each year Records set or tied on this calendar date in each year from 1793 to 1903. 1903 had 18 records. 05001,0001,5002,0001793: 21809: 11813: 11814: 21834: 11837: 21839: 11847: 11848: 11854: 41859: 21860: 21865: 21866: 11867: 11868: 21869: 11872: 21876: 11878: 11880: 11881: 11882: 11884: 21885: 21886: 11887: 21888: 21889: 11891: 41892: 11893: 41894: 11895: 51896: 21897: 31898: 31899: 41900: 11901: 51902: 111903: 181904: 71905: 81906: 241907: 111908: 121909: 111910: 41911: 151912: 201913: 121914: 491915: 711916: 211917: 2311918: 421919: 691920: 491921: 601922: 1361923: 331924: 1771925: 4431926: 891927: 3391928: 1551929: 1181930: 1981931: 6481932: 1991933: 3601934: 1761935: 4411936: 5151937: 3181938: 3321939: 7021940: 8911941: 1721942: 3371943: 5441944: 3931945: 4141946: 3021947: 5961948: 2921949: 5121950: 5781951: 3991952: 5751953: 5151954: 3131955: 4571956: 3891957: 7271958: 7831959: 5361960: 7721961: 7501962: 4071963: 4661964: 8361965: 4591966: 4161967: 5101968: 4281969: 5581970: 6191971: 5931972: 4301973: 5881974: 5751975: 1,1021976: 5391977: 5241978: 9521979: 7651980: 5111981: 4241982: 9931983: 9151984: 7001985: 8761986: 7871987: 6861988: 9971989: 1,3131990: 1,0011991: 6721992: 7671993: 7981994: 5501995: 5321996: 1,0141997: 7371998: 1,7701999: 9382000: 1,1882001: 7972002: 8832003: 8302004: 6532005: 1,0322006: 9632007: 7762008: 1,2132009: 8762010: 9392011: 9882012: 6392013: 1,0662014: 1,3742015: 7042016: 7482017: 1,1142018: 5952019: 8842020: 5662021: 5132022: 7392023: 8442024: 1,0092025: 4332026: 6271793187218961913193019471964198119982015
Records set or tied on this calendar date in each year from 1793 to 1903. 1903 had 18 records.
Counts for years before the ledger starts come from the same station rules.
Records on 09-12 in each year
YearRecords
17932
18091
18131
18142
18341
18372
18391
18471
18481
18544
18592
18602
18652
18661
18671
18682
18691
18722
18761
18781
18801
18811
18821
18842
18852
18861
18872
18882
18891
18914
18921
18934
18941
18955
18962
18973
18983
18994
19001
19015
190211
190318
19047
19058
190624
190711
190812
190911
19104
191115
191220
191312
191449
191571
191621
1917231
191842
191969
192049
192160
1922136
192333
1924177
1925443
192689
1927339
1928155
1929118
1930198
1931648
1932199
1933360
1934176
1935441
1936515
1937318
1938332
1939702
1940891
1941172
1942337
1943544
1944393
1945414
1946302
1947596
1948292
1949512
1950578
1951399
1952575
1953515
1954313
1955457
1956389
1957727
1958783
1959536
1960772
1961750
1962407
1963466
1964836
1965459
1966416
1967510
1968428
1969558
1970619
1971593
1972430
1973588
1974575
19751,102
1976539
1977524
1978952
1979765
1980511
1981424
1982993
1983915
1984700
1985876
1986787
1987686
1988997
19891,313
19901,001
1991672
1992767
1993798
1994550
1995532
19961,014
1997737
19981,770
1999938
20001,188
2001797
2002883
2003830
2004653
20051,032
2006963
2007776
20081,213
2009876
2010939
2011988
2012639
20131,066
20141,374
2015704
2016748
20171,114
2018595
2019884
2020566
2021513
2022739
2023844
20241,009
2025433
2026627

Download the Data

  • Data for records on 1903-09-12: 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).