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Weather Records on 12 April 1909

16 weather records were set or tied worldwide on 12 April 1909. Highest significance: Owen Sound, CA.

Key Facts for 12 April 1909

  • On 12 April 1909, 16 weather records were set or tied at long-record stations worldwide.
  • 2 were record highs and 3 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 16 daily.
  • Owen Sound set a daily record snowfall of 8.9 cm (3.5 in) on 12 April 1909.
  • Across 161 earlier years (1793 to 2026) the same calendar date averaged 505 records.

Record Map

16 stations
Weather records on 12 April 1909 16 station records on 12 April 1909 are marked on the map, coloured by record type.
16 station records on 12 April 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 12 April 1909: highest significance records shown on the map
StationCountryTypeValueSignificance
Owen SoundCanadaRecord daily snowfall8.9 cm (3.5 in)29 of 100 (Routine)
Little Rock St CapitolUnited StatesRecord daily precipitation45.0 mm (1.8 in)22 of 100 (Routine)
TranebjergDenmarkRecord daily precipitation14.2 mm (0.6 in)20 of 100 (Routine)
Koebenhavn - Meteorologisk InsDenmarkRecord daily precipitation11.9 mm (0.5 in)20 of 100 (Routine)
KarlsruheGermanyRecord daily precipitation20.3 mm (0.8 in)20 of 100 (Routine)
Richmond C/K (Tnk)South AfricaRecord daily precipitation18.5 mm (0.7 in)19 of 100 (Routine)
StratfordCanadaRecord high minimum temperature5.6 C (42.1 F)18 of 100 (Routine)
ChathamCanadaRecord low minimum temperature-12.2 C (10.0 F)14 of 100 (Routine)
DalhousieCanadaRecord low minimum temperature-14.4 C (6.1 F)13 of 100 (Routine)
RegensburgGermanyRecord daily precipitation9.1 mm (0.36 in)13 of 100 (Routine)
Milwaukee Wb CityUnited StatesRecord daily precipitation23.1 mm (0.9 in)11 of 100 (Routine)
Owen SoundCanadaRecord daily precipitation10.4 mm (0.4 in)10 of 100 (Routine)
Alice Springs Post OfficeAustraliaRecord high maximum temperature36.7 C (98.1 F)7 of 100 (Routine)
Heinersreuth-VollhofGermanyRecord daily precipitation4.2 mm (0.17 in)6 of 100 (Routine)
West TerschellingNetherlandsRecord daily precipitation4.8 mm (0.19 in)5 of 100 (Routine)
Oran-Hopital MilitaireAlgeriaRecord low maximum temperature17.0 C (62.6 F)2 of 100 (Routine)

Counts by Type and Timescale

16 records
Records on 12 April 1909 by type Records set or tied on 12 April 1909 by type: Highest daily maximum 1, Lowest daily maximum 1, Highest daily minimum 1, Lowest daily minimum 2, Heaviest daily rainfall 10, Heaviest daily snowfall 1. 035810Highest daily maximum: 1Lowest daily maximum: 1Highest daily minimum: 1Lowest daily minimum: 2Heaviest daily rainfall: 10Heaviest daily snowfall: 1Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 12 April 1909 by type: Highest daily maximum 1, Lowest daily maximum 1, Highest daily minimum 1, Lowest daily minimum 2, Heaviest daily rainfall 10, Heaviest daily snowfall 1.
Records on 12 April 1909 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum1
Highest daily minimum1
Lowest daily minimum2
Heaviest daily rainfall10
Heaviest daily snowfall1
Deepest snow cover0
Records on 12 April 1909 by timescale Records on 12 April 1909 by timescale: all-time 0, monthly 0, daily 16. 05101520all-time: 0monthly: 0daily: 16all-timemonthlydaily
Records on 12 April 1909 by timescale: all-time 0, monthly 0, daily 16.
Records on 12 April 1909 by timescale
TimescaleRecords
all-time0
monthly0
daily16

How Much Records Were Beaten By

15 broken records
Histogram of margins by which records were beaten on 12 April 1909 Margins by which the 15 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 64.0. Ties are not counted. 0510150 to 10: 1210 to 20: 220 to 30: 030 to 40: 040 to 50: 050 to 60: 060 to 70: 10 to 1010 to 2020 to 3030 to 4040 to 5050 to 6060 to 70
Margins by which the 15 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 64.0. Ties are not counted.
Histogram of margins by which records were beaten on 12 April 1909
MarginRecords
0 to 1012
10 to 202
20 to 300
30 to 400
40 to 500
50 to 600
60 to 701

Top 20 by Significance

12 April 1909
Top 16 records on 12 April 1909 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
12 April 1909Owen Sound, CAdaily snowfall8.9 cm (3.5 in)6.4 cm (2.5 in)26 years29 of 100 (Routine)
12 April 1909Little Rock St Capitol, USdaily rain45.0 mm (1.8 in)19.6 mm (0.8 in)31 years22 of 100 (Routine)
12 April 1909Tranebjerg, DKdaily rain14.2 mm (0.6 in)9.6 mm (0.38 in)12 years20 of 100 (Routine)
12 April 1909Koebenhavn - Meteorologisk Ins, DKdaily rain11.9 mm (0.5 in)6.6 mm (0.26 in)12 years20 of 100 (Routine)
12 April 1909Karlsruhe, DEdaily rain20.3 mm (0.8 in)10.5 mm (0.4 in)10 years20 of 100 (Routine)
12 April 1909Richmond C/K (Tnk), ZAdaily rain18.5 mm (0.7 in)9.9 mm (0.39 in)16 years19 of 100 (Routine)
12 April 1909Stratford, CAdaily high min5.6 C (42.1 F)1.2 C (2.2 F)42 years18 of 100 (Routine)
12 April 1909Chatham, CAdaily low min-12.2 C (10.0 F)1.6 C (2.9 F)26 years14 of 100 (Routine)
12 April 1909Dalhousie, CAdaily low min-14.4 C (6.1 F)1.1 C (2.0 F)28 years13 of 100 (Routine)
12 April 1909Regensburg, DEdaily rain9.1 mm (0.36 in)2.8 mm (0.11 in)8 years13 of 100 (Routine)
12 April 1909Milwaukee Wb City, USdaily rain23.1 mm (0.9 in)2.8 mm (0.11 in)19 years11 of 100 (Routine)
12 April 1909Owen Sound, CAdaily rain10.4 mm (0.4 in)1.8 mm (0.07 in)15 years10 of 100 (Routine)
12 April 1909Alice Springs Post Office, AUdaily high max36.7 C (98.1 F)0.3 C (0.5 F)15 years7 of 100 (Routine)
12 April 1909Heinersreuth-Vollhof, DEdaily rain4.2 mm (0.17 in)0.4 mm (0.02 in)8 years6 of 100 (Routine)
12 April 1909West Terschelling, NLdaily rain4.8 mm (0.19 in)0.3 mm (0.01 in)8 years5 of 100 (Routine)
12 April 1909Oran-Hopital Militaire, DZdaily low max (Tie)17.0 C (62.6 F)tie22 years2 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 04-12 in each year Records set or tied on this calendar date in each year from 1793 to 1909. 1909 had 16 records. 01,0002,0003,0004,0001793: 11805: 11810: 11812: 21817: 21826: 11831: 11845: 11850: 11854: 11865: 21866: 21868: 41869: 51871: 11873: 11874: 51876: 21877: 11878: 11879: 41881: 11882: 11885: 21889: 41890: 101891: 31892: 21893: 41894: 11895: 11896: 11897: 41898: 41899: 51900: 61901: 51902: 31903: 101904: 111905: 191906: 241907: 51908: 101909: 161910: 151911: 261912: 481913: 881914: 411915: 1251916: 371917: 331918: 401919: 391920: 1481921: 341922: 481923: 1341924: 691925: 1781926: 3471927: 1791928: 1451929: 1411930: 6381931: 2671932: 2531933: 5511934: 5311935: 1711936: 2771937: 2361938: 1751939: 1,1741940: 1,4071941: 8691942: 1911943: 6141944: 4231945: 8841946: 3471947: 7331948: 1,4961949: 3581950: 6381951: 1,1021952: 4551953: 7071954: 4241955: 6111956: 3821957: 9101958: 5421959: 5131960: 3141961: 5511962: 5101963: 5181964: 3631965: 6591966: 5201967: 6821968: 7171969: 3521970: 5681971: 5871972: 1,3161973: 9031974: 8221975: 7041976: 1,0761977: 1,0691978: 5331979: 1,0961980: 6111981: 1,0681982: 8521983: 8771984: 6711985: 7341986: 1,3501987: 6061988: 1,3691989: 1,8381990: 9461991: 1,4841992: 1,0001993: 5861994: 1,3751995: 1,1731996: 9941997: 3,0941998: 1,4091999: 8732000: 7842001: 1,3692002: 6002003: 1,0792004: 9642005: 5362006: 7962007: 1,1442008: 1,0152009: 8112010: 9352011: 1,0262012: 6662013: 1,0392014: 5972015: 5042016: 5952017: 5192018: 8682019: 6852020: 1,1502021: 7102022: 1,8622023: 1,2622024: 1,0862025: 1,2812026: 6221793187618991916193319501967198420012018
Records set or tied on this calendar date in each year from 1793 to 1909. 1909 had 16 records.
Counts for years before the ledger starts come from the same station rules.
Records on 04-12 in each year
YearRecords
17931
18051
18101
18122
18172
18261
18311
18451
18501
18541
18652
18662
18684
18695
18711
18731
18745
18762
18771
18781
18794
18811
18821
18852
18894
189010
18913
18922
18934
18941
18951
18961
18974
18984
18995
19006
19015
19023
190310
190411
190519
190624
19075
190810
190916
191015
191126
191248
191388
191441
1915125
191637
191733
191840
191939
1920148
192134
192248
1923134
192469
1925178
1926347
1927179
1928145
1929141
1930638
1931267
1932253
1933551
1934531
1935171
1936277
1937236
1938175
19391,174
19401,407
1941869
1942191
1943614
1944423
1945884
1946347
1947733
19481,496
1949358
1950638
19511,102
1952455
1953707
1954424
1955611
1956382
1957910
1958542
1959513
1960314
1961551
1962510
1963518
1964363
1965659
1966520
1967682
1968717
1969352
1970568
1971587
19721,316
1973903
1974822
1975704
19761,076
19771,069
1978533
19791,096
1980611
19811,068
1982852
1983877
1984671
1985734
19861,350
1987606
19881,369
19891,838
1990946
19911,484
19921,000
1993586
19941,375
19951,173
1996994
19973,094
19981,409
1999873
2000784
20011,369
2002600
20031,079
2004964
2005536
2006796
20071,144
20081,015
2009811
2010935
20111,026
2012666
20131,039
2014597
2015504
2016595
2017519
2018868
2019685
20201,150
2021710
20221,862
20231,262
20241,086
20251,281
2026622

Download the Data

  • Data for records on 1909-04-12: 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).