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Weather Records on 21 December 1912

23 weather records were set or tied worldwide on 21 December 1912. Highest significance: Westminster, CA.

Key Facts for 21 December 1912

  • On 21 December 1912, 23 weather records were set or tied at long-record stations worldwide.
  • 20 were record highs and 0 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 22 daily.
  • Westminster set a daily record snowfall of 12.7 cm (5.0 in) on 21 December 1912.
  • Across 158 earlier years (1793 to 2025) the same calendar date averaged 492 records.

Record Map

23 stations
Weather records on 21 December 1912 23 station records on 21 December 1912 are marked on the map, coloured by record type.
23 station records on 21 December 1912 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 21 December 1912: highest significance records shown on the map
StationCountryTypeValueSignificance
WestminsterCanadaRecord daily snowfall12.7 cm (5.0 in)22 of 100 (Routine)
BjuroklubbSwedenRecord daily precipitation8.0 mm (0.31 in)20 of 100 (Routine)
Bourke Post OfficeAustraliaRecord high maximum temperature45.7 C (114.3 F)16 of 100 (Routine)
Gunnedah PoolAustraliaRecord high minimum temperature23.3 C (73.9 F)16 of 100 (Routine)
VanersborgSwedenRecord high minimum temperature6.0 C (42.8 F)11 of 100 (Routine)
StockholmSwedenRecord high maximum temperature9.0 C (48.2 F)11 of 100 (Routine)
StockholmSwedenRecord high minimum temperature5.5 C (41.9 F)11 of 100 (Routine)
JonkopingSwedenRecord high maximum temperature7.5 C (45.5 F)9 of 100 (Routine)
Skara 1SwedenRecord high minimum temperature6.0 C (42.8 F)9 of 100 (Routine)
Vasteras-HassloSwedenRecord high minimum temperature5.0 C (41.0 F)8 of 100 (Routine)
Uppsala_AutSwedenRecord high minimum temperature5.1 C (41.2 F)8 of 100 (Routine)
VestervigDenmarkRecord high minimum temperature6.8 C (44.2 F)7 of 100 (Routine)
SandvigDenmarkRecord high minimum temperature5.3 C (41.5 F)7 of 100 (Routine)
GavleSwedenRecord high maximum temperature8.0 C (46.4 F)7 of 100 (Routine)
Visby_FlygplatsSwedenRecord high minimum temperature4.0 C (39.2 F)5 of 100 (Routine)
VastervikSwedenRecord high minimum temperature5.0 C (41.0 F)5 of 100 (Routine)
JonkopingSwedenRecord high minimum temperature5.0 C (41.0 F)5 of 100 (Routine)
Koebenhavn: Landbohojskolen-1DenmarkRecord high minimum temperature4.7 C (40.5 F)3 of 100 (Routine)
WestminsterCanadaRecord daily precipitation12.7 mm (0.5 in)2 of 100 (Routine)
KarlshamnSwedenRecord high minimum temperature4.0 C (39.2 F)1 of 100 (Routine)
OrebroSwedenRecord high maximum temperature8.0 C (46.4 F)1 of 100 (Routine)
Vasteras-HassloSwedenRecord high maximum temperature8.0 C (46.4 F)1 of 100 (Routine)
GavleSwedenRecord high minimum temperature2.0 C (35.6 F)1 of 100 (Routine)

Counts by Type and Timescale

23 records
Records on 21 December 1912 by type Records set or tied on 21 December 1912 by type: Highest daily maximum 6, Highest daily minimum 14, Heaviest daily rainfall 2, Heaviest daily snowfall 1. 051015Highest daily maximum: 6Lowest daily maximum: 0Highest daily minimum: 14Lowest daily minimum: 0Heaviest daily rainfall: 2Heaviest daily snowfall: 1Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 21 December 1912 by type: Highest daily maximum 6, Highest daily minimum 14, Heaviest daily rainfall 2, Heaviest daily snowfall 1.
Records on 21 December 1912 by type
Record typeRecords
Highest daily maximum6
Lowest daily maximum0
Highest daily minimum14
Lowest daily minimum0
Heaviest daily rainfall2
Heaviest daily snowfall1
Deepest snow cover0
Records on 21 December 1912 by timescale Records on 21 December 1912 by timescale: all-time 0, monthly 1, daily 22. 0102030all-time: 0monthly: 1daily: 22all-timemonthlydaily
Records on 21 December 1912 by timescale: all-time 0, monthly 1, daily 22.
Records on 21 December 1912 by timescale
TimescaleRecords
all-time0
monthly1
daily22

How Much Records Were Beaten By

17 broken records
Histogram of margins by which records were beaten on 21 December 1912 Margins by which the 17 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.0. Ties are not counted. 051015200 to 10: 1610 to 20: 020 to 30: 030 to 40: 040 to 50: 050 to 60: 060 to 70: 070 to 80: 10 to 1010 to 2020 to 3030 to 4040 to 5050 to 6060 to 7070 to 80
Margins by which the 17 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 76.0. Ties are not counted.
Histogram of margins by which records were beaten on 21 December 1912
MarginRecords
0 to 1016
10 to 200
20 to 300
30 to 400
40 to 500
50 to 600
60 to 700
70 to 801

Top 20 by Significance

21 December 1912
Top 20 records on 21 December 1912 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
21 December 1912Westminster, CAdaily snowfall12.7 cm (5.0 in)7.6 cm (3.0 in)28 years22 of 100 (Routine)
21 December 1912Bjuroklubb, SEdaily rain8.0 mm (0.31 in)3.8 mm (0.15 in)18 years20 of 100 (Routine)
21 December 1912Bourke Post Office, AUdaily high max45.7 C (114.3 F)1.3 C (2.3 F)33 years16 of 100 (Routine)
21 December 1912Gunnedah Pool, AUdaily high min23.3 C (73.9 F)2.2 C (4.0 F)26 years16 of 100 (Routine)
21 December 1912Vanersborg, SEdaily high min6.0 C (42.8 F)2.5 C (4.5 F)12 years11 of 100 (Routine)
21 December 1912Stockholm, SEdaily high max9.0 C (48.2 F)2.0 C (3.6 F)12 years11 of 100 (Routine)
21 December 1912Stockholm, SEdaily high min5.5 C (41.9 F)2.5 C (4.5 F)12 years11 of 100 (Routine)
21 December 1912Jonkoping, SEdaily high max7.5 C (45.5 F)0.5 C (0.9 F)18 years9 of 100 (Routine)
21 December 1912Skara 1, SEdaily high min6.0 C (42.8 F)2.0 C (3.6 F)12 years9 of 100 (Routine)
21 December 1912Vasteras-Hasslo, SEdaily high min5.0 C (41.0 F)1.5 C (2.7 F)12 years8 of 100 (Routine)
21 December 1912Uppsala_Aut, SEmonthly high min (Tie)5.1 C (41.2 F)tie56 years8 of 100 (Routine)
21 December 1912Vestervig, DKdaily high min6.8 C (44.2 F)0.4 C (0.7 F)12 years7 of 100 (Routine)
21 December 1912Sandvig, DKdaily high min5.3 C (41.5 F)1.2 C (2.2 F)1 year7 of 100 (Routine)
21 December 1912Gavle, SEdaily high max8.0 C (46.4 F)0.5 C (0.9 F)12 years7 of 100 (Routine)
21 December 1912Visby_Flygplats, SEdaily high min4.0 C (39.2 F)0.8 C (1.4 F)1 year5 of 100 (Routine)
21 December 1912Vastervik, SEdaily high min5.0 C (41.0 F)1.0 C (1.8 F)1 year5 of 100 (Routine)
21 December 1912Jonkoping, SEdaily high min5.0 C (41.0 F)1.0 C (1.8 F)1 year5 of 100 (Routine)
21 December 1912Koebenhavn: Landbohojskolen-1, DKdaily high min4.7 C (40.5 F)0.2 C (0.4 F)1 year3 of 100 (Routine)
21 December 1912Westminster, CAdaily rain (Tie)12.7 mm (0.5 in)tie16 years2 of 100 (Routine)
21 December 1912Karlshamn, SEdaily high min (Tie)4.0 C (39.2 F)tie12 years1 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 1912
Records on 12-21 in each year Records set or tied on this calendar date in each year from 1793 to 1912. 1912 had 23 records. 01,0002,0003,0004,0001793: 11794: 11799: 11801: 21808: 31825: 11828: 11839: 11846: 11850: 11855: 71859: 11860: 11868: 11870: 11871: 21874: 21875: 31876: 11877: 11878: 11879: 11880: 11884: 11886: 31889: 11890: 41893: 41894: 11895: 51896: 31897: 31898: 11900: 81901: 151902: 51903: 251904: 31905: 151906: 151907: 171908: 191909: 201910: 291911: 361912: 231913: 111914: 1071915: 431916: 401917: 181918: 411919: 571920: 301921: 1041922: 341923: 3231924: 3771925: 1201926: 1781927: 1471928: 701929: 1561930: 661931: 5561932: 1501933: 5811934: 2301935: 3981936: 3231937: 1891938: 1451939: 1401940: 6221941: 6511942: 9681943: 1481944: 7621945: 3961946: 4951947: 7001948: 2971949: 1,2811950: 5041951: 1,0611952: 1971953: 2561954: 4441955: 8881956: 6721957: 8461958: 5161959: 2721960: 5851961: 2541962: 5631963: 1,1371964: 6131965: 2471966: 4001967: 1,9231968: 8181969: 8281970: 5471971: 6801972: 6511973: 1,2921974: 3741975: 5481976: 4461977: 4701978: 5171979: 5581980: 7261981: 1,4761982: 7021983: 3,3241984: 1,0121985: 9791986: 4041987: 7751988: 7171989: 3,2031990: 2,7011991: 1,1251992: 7511993: 9671994: 7931995: 8781996: 1,1141997: 8101998: 1,1421999: 8512000: 9442001: 6502002: 5792003: 1,1032004: 6752005: 6062006: 1,4432007: 9462008: 1,0622009: 1,0972010: 2,0392011: 6532012: 7592013: 1,0292014: 8782015: 1,1732016: 5432017: 4592018: 7422019: 7552020: 9652021: 3232022: 5282023: 1,1702024: 7782025: 1,1001793187418981915193119471963197919952011
Records set or tied on this calendar date in each year from 1793 to 1912. 1912 had 23 records.
Counts for years before the ledger starts come from the same station rules.
Records on 12-21 in each year
YearRecords
17931
17941
17991
18012
18083
18251
18281
18391
18461
18501
18557
18591
18601
18681
18701
18712
18742
18753
18761
18771
18781
18791
18801
18841
18863
18891
18904
18934
18941
18955
18963
18973
18981
19008
190115
19025
190325
19043
190515
190615
190717
190819
190920
191029
191136
191223
191311
1914107
191543
191640
191718
191841
191957
192030
1921104
192234
1923323
1924377
1925120
1926178
1927147
192870
1929156
193066
1931556
1932150
1933581
1934230
1935398
1936323
1937189
1938145
1939140
1940622
1941651
1942968
1943148
1944762
1945396
1946495
1947700
1948297
19491,281
1950504
19511,061
1952197
1953256
1954444
1955888
1956672
1957846
1958516
1959272
1960585
1961254
1962563
19631,137
1964613
1965247
1966400
19671,923
1968818
1969828
1970547
1971680
1972651
19731,292
1974374
1975548
1976446
1977470
1978517
1979558
1980726
19811,476
1982702
19833,324
19841,012
1985979
1986404
1987775
1988717
19893,203
19902,701
19911,125
1992751
1993967
1994793
1995878
19961,114
1997810
19981,142
1999851
2000944
2001650
2002579
20031,103
2004675
2005606
20061,443
2007946
20081,062
20091,097
20102,039
2011653
2012759
20131,029
2014878
20151,173
2016543
2017459
2018742
2019755
2020965
2021323
2022528
20231,170
2024778
20251,100

Download the Data

  • Data for records on 1912-12-21: 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

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