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Weather Records on 21 September 1912

26 weather records were set or tied worldwide on 21 September 1912. Highest significance: Santa Fe, US.

Key Facts for 21 September 1912

  • On 21 September 1912, 26 weather records were set or tied at long-record stations worldwide.
  • 1 were record highs and 20 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 26 daily.
  • Santa Fe set a daily record low minimum temperature of 1.7 C (35.1 F) on 21 September 1912.
  • Across 155 earlier years (1805 to 2026) the same calendar date averaged 454 records.

Record Map

26 stations
Weather records on 21 September 1912 26 station records on 21 September 1912 are marked on the map, coloured by record type.
26 station records on 21 September 1912 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 September 1912: highest significance records shown on the map
StationCountryTypeValueSignificance
Santa FeUnited StatesRecord low minimum temperature1.7 C (35.1 F)22 of 100 (Routine)
SpringbokSouth AfricaRecord daily precipitation21.6 mm (0.9 in)20 of 100 (Routine)
TruroCanadaRecord low maximum temperature11.7 C (53.1 F)16 of 100 (Routine)
Gunnedah PoolAustraliaRecord low minimum temperature-0.6 C (30.9 F)15 of 100 (Routine)
MinnedosaCanadaRecord daily precipitation18.8 mm (0.7 in)15 of 100 (Routine)
PortlandUnited StatesRecord low maximum temperature10.6 C (51.1 F)15 of 100 (Routine)
HalifaxCanadaRecord low maximum temperature11.7 C (53.1 F)14 of 100 (Routine)
Berlin-DahlemGermanyRecord low minimum temperature2.8 C (37.0 F)14 of 100 (Routine)
Pointe Au PereCanadaRecord low minimum temperature-1.1 C (30.0 F)12 of 100 (Routine)
PlauenGermanyRecord low maximum temperature8.2 C (46.8 F)12 of 100 (Routine)
RivaItalyRecord daily precipitation26.3 mm (1.0 in)12 of 100 (Routine)
Huron Rgnl APUnited StatesRecord low maximum temperature11.1 C (52.0 F)11 of 100 (Routine)
ChemnitzGermanyRecord low maximum temperature8.8 C (47.8 F)10 of 100 (Routine)
Tizi OuzouAlgeriaRecord daily precipitation16.0 mm (0.6 in)9 of 100 (Routine)
FreiburgGermanyRecord low minimum temperature2.0 C (35.6 F)8 of 100 (Routine)
ChemnitzGermanyRecord low minimum temperature-0.2 C (31.6 F)7 of 100 (Routine)
Olympia Priest Pt ParkUnited StatesRecord high maximum temperature27.2 C (81.0 F)7 of 100 (Routine)
Walgett Council DepotAustraliaRecord low minimum temperature1.1 C (34.0 F)6 of 100 (Routine)
SalzburgAustriaRecord low maximum temperature10.9 C (51.6 F)5 of 100 (Routine)
MagdeburgGermanyRecord low minimum temperature2.3 C (36.1 F)5 of 100 (Routine)
GorlitzGermanyRecord low maximum temperature10.0 C (50.0 F)5 of 100 (Routine)
Nuwara EliyaSri LankaRecord low maximum temperature15.0 C (59.0 F)4 of 100 (Routine)
EscanabaUnited StatesRecord daily precipitation13.7 mm (0.5 in)4 of 100 (Routine)
Saint JohnCanadaRecord low maximum temperature11.1 C (52.0 F)3 of 100 (Routine)
ChicoutimiCanadaRecord low maximum temperature7.8 C (46.0 F)1 of 100 (Routine)
Heinersreuth-VollhofGermanyRecord low minimum temperature0.2 C (32.4 F)1 of 100 (Routine)

Counts by Type and Timescale

26 records
Records on 21 September 1912 by type Records set or tied on 21 September 1912 by type: Highest daily maximum 1, Lowest daily maximum 11, Lowest daily minimum 9, Heaviest daily rainfall 5. 051015Highest daily maximum: 1Lowest daily maximum: 11Highest daily minimum: 0Lowest daily minimum: 9Heaviest daily rainfall: 5Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 September 1912 by type: Highest daily maximum 1, Lowest daily maximum 11, Lowest daily minimum 9, Heaviest daily rainfall 5.
Records on 21 September 1912 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum11
Highest daily minimum0
Lowest daily minimum9
Heaviest daily rainfall5
Heaviest daily snowfall0
Deepest snow cover0
Records on 21 September 1912 by timescale Records on 21 September 1912 by timescale: all-time 0, monthly 0, daily 26. 0102030all-time: 0monthly: 0daily: 26all-timemonthlydaily
Records on 21 September 1912 by timescale: all-time 0, monthly 0, daily 26.
Records on 21 September 1912 by timescale
TimescaleRecords
all-time0
monthly0
daily26

How Much Records Were Beaten By

22 broken records
Histogram of margins by which records were beaten on 21 September 1912 Margins by which the 22 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 15.0. Ties are not counted. 0510150 to 2: 152 to 4: 44 to 6: 16 to 8: 18 to 10: 010 to 12: 012 to 14: 014 to 16: 10 to 22 to 44 to 66 to 88 to 1010 to 1212 to 1414 to 16
Margins by which the 22 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 15.0. Ties are not counted.
Histogram of margins by which records were beaten on 21 September 1912
MarginRecords
0 to 215
2 to 44
4 to 61
6 to 81
8 to 100
10 to 120
12 to 140
14 to 161

Top 20 by Significance

21 September 1912
Top 20 records on 21 September 1912 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 September 1912Santa Fe, USdaily low min1.7 C (35.1 F)2.7 C (4.9 F)36 years22 of 100 (Routine)
21 September 1912Springbok, ZAdaily rain21.6 mm (0.9 in)15.0 mm (0.6 in)23 years20 of 100 (Routine)
21 September 1912Truro, CAdaily low max11.7 C (53.1 F)1.1 C (2.0 F)30 years16 of 100 (Routine)
21 September 1912Gunnedah Pool, AUdaily low min-0.6 C (30.9 F)1.2 C (2.2 F)31 years15 of 100 (Routine)
21 September 1912Minnedosa, CAdaily rain18.8 mm (0.7 in)2.3 mm (0.09 in)30 years15 of 100 (Routine)
21 September 1912Portland, USdaily low max10.6 C (51.1 F)2.2 C (4.0 F)23 years15 of 100 (Routine)
21 September 1912Halifax, CAdaily low max11.7 C (53.1 F)0.5 C (0.9 F)30 years14 of 100 (Routine)
21 September 1912Berlin-Dahlem, DEdaily low min2.8 C (37.0 F)1.2 C (2.2 F)25 years14 of 100 (Routine)
21 September 1912Pointe Au Pere, CAdaily low min-1.1 C (30.0 F)0.5 C (0.9 F)28 years12 of 100 (Routine)
21 September 1912Plauen, DEdaily low max8.2 C (46.8 F)1.5 C (2.7 F)22 years12 of 100 (Routine)
21 September 1912Riva, ITdaily rain26.3 mm (1.0 in)5.3 mm (0.21 in)20 years12 of 100 (Routine)
21 September 1912Huron Rgnl AP, USdaily low max11.1 C (52.0 F)0.6 C (1.1 F)28 years11 of 100 (Routine)
21 September 1912Chemnitz, DEdaily low max8.8 C (47.8 F)2.4 C (4.3 F)8 years10 of 100 (Routine)
21 September 1912Tizi Ouzou, DZdaily rain16.0 mm (0.6 in)6.0 mm (0.24 in)1 year9 of 100 (Routine)
21 September 1912Freiburg, DEdaily low min2.0 C (35.6 F)1.0 C (1.8 F)8 years8 of 100 (Routine)
21 September 1912Chemnitz, DEdaily low min-0.2 C (31.6 F)0.7 C (1.3 F)8 years7 of 100 (Routine)
21 September 1912Olympia Priest Pt Park, USdaily high max27.2 C (81.0 F)1.1 C (2.0 F)7 years7 of 100 (Routine)
21 September 1912Walgett Council Depot, AUdaily low min1.1 C (34.0 F)0.6 C (1.1 F)8 years6 of 100 (Routine)
21 September 1912Salzburg, ATdaily low max10.9 C (51.6 F)0.3 C (0.5 F)8 years5 of 100 (Routine)
21 September 1912Magdeburg, DEdaily low min2.3 C (36.1 F)0.1 C (0.2 F)8 years5 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 1912
Records on 09-21 in each year Records set or tied on this calendar date in each year from 1805 to 1912. 1912 had 26 records. 01,0002,0003,0001805: 11812: 11825: 21840: 11841: 11842: 11848: 11854: 11856: 21868: 11872: 21873: 11877: 11878: 11881: 11882: 11884: 11886: 11888: 21889: 11891: 101892: 11893: 101894: 21895: 31896: 21897: 61898: 61899: 31900: 21901: 51902: 51903: 81904: 201905: 121906: 171907: 101908: 171909: 101910: 81911: 181912: 261913: 371914: 291915: 341916: 481917: 281918: 431919: 541920: 291921: 641922: 351923: 2321924: 2911925: 2781926: 1781927: 1651928: 811929: 2321930: 821931: 6811932: 2421933: 1931934: 4921935: 1991936: 3291937: 4871938: 5081939: 3081940: 9081941: 4161942: 2911943: 4071944: 4131945: 5071946: 1761947: 5341948: 3011949: 2981950: 3341951: 2411952: 4301953: 3821954: 4531955: 7521956: 1,1001957: 3661958: 5881959: 5131960: 4181961: 4411962: 1,0851963: 3061964: 3741965: 1,0881966: 5651967: 5771968: 7901969: 5931970: 7081971: 6451972: 5991973: 4211974: 6521975: 5281976: 6941977: 9181978: 8181979: 7361980: 9901981: 6961982: 1,4841983: 2,2071984: 7071985: 7961986: 6711987: 9651988: 5571989: 1,0021990: 7161991: 1,0211992: 7521993: 9111994: 7131995: 2,0021996: 1,2331997: 1,1121998: 1,4811999: 1,0252000: 8842001: 7182002: 6962003: 9592004: 8882005: 1,1432006: 9202007: 7422008: 7402009: 7152010: 1,2902011: 5422012: 5952013: 7692014: 7162015: 5652016: 9892017: 1,1782018: 1,0512019: 8332020: 5802021: 4652022: 1,0492023: 7832024: 4702025: 5912026: 4781805188419031919193519511967198319992015
Records set or tied on this calendar date in each year from 1805 to 1912. 1912 had 26 records.
Counts for years before the ledger starts come from the same station rules.
Records on 09-21 in each year
YearRecords
18051
18121
18252
18401
18411
18421
18481
18541
18562
18681
18722
18731
18771
18781
18811
18821
18841
18861
18882
18891
189110
18921
189310
18942
18953
18962
18976
18986
18993
19002
19015
19025
19038
190420
190512
190617
190710
190817
190910
19108
191118
191226
191337
191429
191534
191648
191728
191843
191954
192029
192164
192235
1923232
1924291
1925278
1926178
1927165
192881
1929232
193082
1931681
1932242
1933193
1934492
1935199
1936329
1937487
1938508
1939308
1940908
1941416
1942291
1943407
1944413
1945507
1946176
1947534
1948301
1949298
1950334
1951241
1952430
1953382
1954453
1955752
19561,100
1957366
1958588
1959513
1960418
1961441
19621,085
1963306
1964374
19651,088
1966565
1967577
1968790
1969593
1970708
1971645
1972599
1973421
1974652
1975528
1976694
1977918
1978818
1979736
1980990
1981696
19821,484
19832,207
1984707
1985796
1986671
1987965
1988557
19891,002
1990716
19911,021
1992752
1993911
1994713
19952,002
19961,233
19971,112
19981,481
19991,025
2000884
2001718
2002696
2003959
2004888
20051,143
2006920
2007742
2008740
2009715
20101,290
2011542
2012595
2013769
2014716
2015565
2016989
20171,178
20181,051
2019833
2020580
2021465
20221,049
2023783
2024470
2025591
2026478

Download the Data

  • Data for records on 1912-09-21: 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-15).