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Built 2026-10-19 (19 October 2026)

Weather Records on 20 September 1912

34 weather records were set or tied worldwide on 20 September 1912. Highest significance: Winnipeg St Johns Coll, CA.

Key Facts for 20 September 1912

  • On 20 September 1912, 34 weather records were set or tied at long-record stations worldwide.
  • 3 were record highs and 20 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 34 daily.
  • Winnipeg St Johns Coll set a daily record precipitation of 33.8 mm (1.3 in) on 20 September 1912.
  • Across 156 earlier years (1812 to 2026) the same calendar date averaged 445 records.

Record Map

34 stations
Weather records on 20 September 1912 34 station records on 20 September 1912 are marked on the map, coloured by record type.
34 station records on 20 September 1912 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 20 September 1912: highest significance records shown on the map
StationCountryTypeValueSignificance
Winnipeg St Johns CollCanadaRecord daily precipitation33.8 mm (1.3 in)25 of 100 (Routine)
MinnedosaCanadaRecord daily precipitation14.2 mm (0.6 in)20 of 100 (Routine)
WorcesterSouth AfricaRecord daily precipitation8.6 mm (0.34 in)20 of 100 (Routine)
Montreal McGillCanadaRecord daily precipitation49.3 mm (1.9 in)17 of 100 (Routine)
Caledon (Pol)South AfricaRecord daily precipitation17.0 mm (0.7 in)17 of 100 (Routine)
Berlin-DahlemGermanyRecord low minimum temperature1.7 C (35.1 F)14 of 100 (Routine)
VanersborgSwedenRecord low minimum temperature0.4 C (32.7 F)14 of 100 (Routine)
Dubuque RiverUnited StatesRecord daily precipitation19.8 mm (0.8 in)14 of 100 (Routine)
BredasdorpSouth AfricaRecord daily precipitation10.2 mm (0.4 in)13 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord high minimum temperature17.2 C (63.0 F)12 of 100 (Routine)
GorlitzGermanyRecord low maximum temperature10.4 C (50.7 F)10 of 100 (Routine)
Vasteras-HassloSwedenRecord low minimum temperature-0.5 C (31.1 F)10 of 100 (Routine)
San Diego WboUnited StatesRecord high maximum temperature29.4 C (84.9 F)10 of 100 (Routine)
Heinersreuth-VollhofGermanyRecord low minimum temperature-1.8 C (28.8 F)9 of 100 (Routine)
Forbes (Camp Street)AustraliaRecord low maximum temperature12.8 C (55.0 F)8 of 100 (Routine)
LindsayCanadaRecord daily precipitation8.6 mm (0.34 in)8 of 100 (Routine)
PlauenGermanyRecord low maximum temperature9.6 C (49.3 F)8 of 100 (Routine)
ChemnitzGermanyRecord low maximum temperature9.3 C (48.7 F)8 of 100 (Routine)
Walgett Council DepotAustraliaRecord low minimum temperature1.7 C (35.1 F)7 of 100 (Routine)
Inverell ComparisonAustraliaRecord low minimum temperature-3.3 C (26.1 F)7 of 100 (Routine)
HamiltonCanadaRecord daily precipitation20.1 mm (0.8 in)7 of 100 (Routine)
Koebenhavn: Landbohojskolen-1DenmarkRecord low minimum temperature1.1 C (34.0 F)7 of 100 (Routine)
PlauenGermanyRecord low minimum temperature-0.5 C (31.1 F)7 of 100 (Routine)
Ladismith (Tnk)South AfricaRecord daily precipitation5.1 mm (0.20 in)7 of 100 (Routine)
SalzburgAustriaRecord low maximum temperature10.0 C (50.0 F)6 of 100 (Routine)
Zagreb-GricCroatiaRecord low maximum temperature9.9 C (49.8 F)5 of 100 (Routine)
TruroCanadaRecord low maximum temperature13.3 C (55.9 F)3 of 100 (Routine)
Clanwilliam (Pol)South AfricaRecord daily precipitation6.6 mm (0.26 in)2 of 100 (Routine)
VastervikSwedenRecord low maximum temperature11.0 C (51.8 F)2 of 100 (Routine)
BjurakerSwedenRecord high minimum temperature7.0 C (44.6 F)2 of 100 (Routine)
Deniliquin (Wilkinson St)AustraliaRecord low maximum temperature13.9 C (57.0 F)1 of 100 (Routine)
HohenpeissenbergGermanyRecord low maximum temperature5.2 C (41.4 F)1 of 100 (Routine)
Linkoeping-MalmslaettSwedenRecord low minimum temperature0.0 C (32.0 F)1 of 100 (Routine)
VastervikSwedenRecord low minimum temperature3.0 C (37.4 F)1 of 100 (Routine)

Counts by Type and Timescale

34 records
Records on 20 September 1912 by type Records set or tied on 20 September 1912 by type: Highest daily maximum 1, Lowest daily maximum 10, Highest daily minimum 2, Lowest daily minimum 10, Heaviest daily rainfall 11. 051015Highest daily maximum: 1Lowest daily maximum: 10Highest daily minimum: 2Lowest daily minimum: 10Heaviest daily rainfall: 11Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 20 September 1912 by type: Highest daily maximum 1, Lowest daily maximum 10, Highest daily minimum 2, Lowest daily minimum 10, Heaviest daily rainfall 11.
Records on 20 September 1912 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum10
Highest daily minimum2
Lowest daily minimum10
Heaviest daily rainfall11
Heaviest daily snowfall0
Deepest snow cover0
Records on 20 September 1912 by timescale Records on 20 September 1912 by timescale: all-time 0, monthly 0, daily 34. 010203040all-time: 0monthly: 0daily: 34all-timemonthlydaily
Records on 20 September 1912 by timescale: all-time 0, monthly 0, daily 34.
Records on 20 September 1912 by timescale
TimescaleRecords
all-time0
monthly0
daily34

How Much Records Were Beaten By

26 broken records
Histogram of margins by which records were beaten on 20 September 1912 Margins by which the 26 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 10.7. Ties are not counted. 051015200 to 2: 182 to 4: 34 to 6: 06 to 8: 28 to 10: 210 to 12: 10 to 22 to 44 to 66 to 88 to 1010 to 12
Margins by which the 26 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 10.7. Ties are not counted.
Histogram of margins by which records were beaten on 20 September 1912
MarginRecords
0 to 218
2 to 43
4 to 60
6 to 82
8 to 102
10 to 121

Top 20 by Significance

20 September 1912
Top 20 records on 20 September 1912 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
20 September 1912Winnipeg St Johns Coll, CAdaily rain33.8 mm (1.3 in)10.7 mm (0.4 in)31 years25 of 100 (Routine)
20 September 1912Minnedosa, CAdaily rain14.2 mm (0.6 in)8.4 mm (0.33 in)30 years20 of 100 (Routine)
20 September 1912Worcester, ZAdaily rain8.6 mm (0.34 in)8.6 mm (0.34 in)31 years20 of 100 (Routine)
20 September 1912Montreal McGill, CAdaily rain49.3 mm (1.9 in)7.4 mm (0.29 in)17 years17 of 100 (Routine)
20 September 1912Caledon (Pol), ZAdaily rain17.0 mm (0.7 in)7.1 mm (0.28 in)14 years17 of 100 (Routine)
20 September 1912Berlin-Dahlem, DEdaily low min1.7 C (35.1 F)2.8 C (5.0 F)8 years14 of 100 (Routine)
20 September 1912Vanersborg, SEdaily low min0.4 C (32.7 F)2.6 C (4.7 F)10 years14 of 100 (Routine)
20 September 1912Dubuque River, USdaily rain19.8 mm (0.8 in)1.0 mm (0.04 in)33 years14 of 100 (Routine)
20 September 1912Bredasdorp, ZAdaily rain10.2 mm (0.4 in)1.3 mm (0.05 in)32 years13 of 100 (Routine)
20 September 1912Sacramento 5 ESE, USdaily high min17.2 C (63.0 F)1.1 C (2.0 F)17 years12 of 100 (Routine)
20 September 1912Gorlitz, DEdaily low max10.4 C (50.7 F)0.5 C (0.9 F)22 years10 of 100 (Routine)
20 September 1912Vasteras-Hasslo, SEdaily low min-0.5 C (31.1 F)1.0 C (1.8 F)17 years10 of 100 (Routine)
20 September 1912San Diego Wbo, USdaily high max29.4 C (84.9 F)1.1 C (2.0 F)14 years10 of 100 (Routine)
20 September 1912Heinersreuth-Vollhof, DEdaily low min-1.8 C (28.8 F)1.4 C (2.5 F)8 years9 of 100 (Routine)
20 September 1912Forbes (Camp Street), AUdaily low max12.8 C (55.0 F)1.1 C (2.0 F)8 years8 of 100 (Routine)
20 September 1912Lindsay, CAdaily rain8.6 mm (0.34 in)0.2 mm (0.01 in)17 years8 of 100 (Routine)
20 September 1912Plauen, DEdaily low max9.6 C (49.3 F)1.4 C (2.5 F)8 years8 of 100 (Routine)
20 September 1912Chemnitz, DEdaily low max9.3 C (48.7 F)1.5 C (2.7 F)8 years8 of 100 (Routine)
20 September 1912Walgett Council Depot, AUdaily low min1.7 C (35.1 F)1.1 C (2.0 F)7 years7 of 100 (Routine)
20 September 1912Inverell Comparison, AUdaily low min-3.3 C (26.1 F)0.5 C (0.9 F)10 years7 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

1812 to 1912
Records on 09-20 in each year Records set or tied on this calendar date in each year from 1812 to 1912. 1912 had 34 records. 05001,0001,5002,0001812: 11837: 11840: 11844: 11848: 21851: 11852: 11854: 21855: 11856: 21859: 21860: 11862: 11870: 11871: 21882: 21883: 11884: 11886: 21887: 11888: 21889: 81891: 41893: 51894: 11895: 21896: 11897: 161898: 41899: 11900: 21901: 31902: 31903: 31904: 121905: 81906: 221907: 111908: 241909: 101910: 81911: 211912: 341913: 481914: 281915: 2391916: 281917: 1001918: 591919: 551920: 641921: 401922: 521923: 2491924: 3291925: 3301926: 1291927: 1691928: 1441929: 3731930: 1021931: 5641932: 2701933: 2231934: 3491935: 2011936: 1331937: 3851938: 5061939: 3121940: 5911941: 5821942: 4361943: 4191944: 4661945: 4061946: 7661947: 4601948: 4541949: 2681950: 4351951: 2671952: 4341953: 4791954: 6281955: 6251956: 9851957: 5141958: 4101959: 4891960: 3521961: 3841962: 7071963: 2901964: 4821965: 1,1801966: 4141967: 4491968: 6171969: 6041970: 5911971: 8841972: 5821973: 5691974: 7711975: 5271976: 3751977: 7761978: 1,2161979: 7671980: 5671981: 9791982: 9111983: 1,9581984: 8951985: 7301986: 7431987: 8561988: 6981989: 9681990: 7431991: 1,8351992: 7181993: 1,0311994: 7881995: 1,3741996: 1,0771997: 1,2821998: 1,1571999: 9232000: 9082001: 8212002: 8452003: 9102004: 1,1562005: 9602006: 7322007: 6452008: 6482009: 7152010: 1,4972011: 6502012: 5492013: 5952014: 5772015: 4392016: 7782017: 9202018: 1,0202019: 8352020: 6302021: 5652022: 7862023: 4822024: 5962025: 8772026: 6821812188319021918193419501966198219982014
Records set or tied on this calendar date in each year from 1812 to 1912. 1912 had 34 records.
Counts for years before the ledger starts come from the same station rules.
Records on 09-20 in each year
YearRecords
18121
18371
18401
18441
18482
18511
18521
18542
18551
18562
18592
18601
18621
18701
18712
18822
18831
18841
18862
18871
18882
18898
18914
18935
18941
18952
18961
189716
18984
18991
19002
19013
19023
19033
190412
19058
190622
190711
190824
190910
19108
191121
191234
191348
191428
1915239
191628
1917100
191859
191955
192064
192140
192252
1923249
1924329
1925330
1926129
1927169
1928144
1929373
1930102
1931564
1932270
1933223
1934349
1935201
1936133
1937385
1938506
1939312
1940591
1941582
1942436
1943419
1944466
1945406
1946766
1947460
1948454
1949268
1950435
1951267
1952434
1953479
1954628
1955625
1956985
1957514
1958410
1959489
1960352
1961384
1962707
1963290
1964482
19651,180
1966414
1967449
1968617
1969604
1970591
1971884
1972582
1973569
1974771
1975527
1976375
1977776
19781,216
1979767
1980567
1981979
1982911
19831,958
1984895
1985730
1986743
1987856
1988698
1989968
1990743
19911,835
1992718
19931,031
1994788
19951,374
19961,077
19971,282
19981,157
1999923
2000908
2001821
2002845
2003910
20041,156
2005960
2006732
2007645
2008648
2009715
20101,497
2011650
2012549
2013595
2014577
2015439
2016778
2017920
20181,020
2019835
2020630
2021565
2022786
2023482
2024596
2025877
2026682

Download the Data

  • Data for records on 1912-09-20: 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).