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Weather Records on 15 December 2020

400 weather records were set or tied worldwide on 15 December 2020. Highest significance: Lower Bucca, AU.

Key Facts for 15 December 2020

  • On 15 December 2020, 400 weather records were set or tied at long-record stations worldwide.
  • 128 were record highs and 62 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 13 monthly and 387 daily.
  • Lower Bucca set a daily record precipitation of 170.2 mm (6.7 in) on 15 December 2020.
  • Across 168 earlier years (1793 to 2025) the same calendar date averaged 456 records.

Record Map

400 stations
Weather records on 15 December 2020 400 station records on 15 December 2020 are marked on the map, coloured by record type.
400 station records on 15 December 2020 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 15 December 2020: highest significance records shown on the map
StationCountryTypeValueSignificance
Lower BuccaAustraliaRecord daily precipitation170.2 mm (6.7 in)76 of 100 (Major)
Nimbin Post OfficeAustraliaRecord daily precipitation138.0 mm (5.4 in)74 of 100 (Major)
Coramba (Glenfiddich)AustraliaRecord daily precipitation151.8 mm (6.0 in)67 of 100 (Major)
NuminbahAustraliaRecord daily precipitation179.0 mm (7.0 in)65 of 100 (Major)
Nymboida (Armidale Road)AustraliaRecord daily precipitation142.0 mm (5.6 in)64 of 100 (Major)
Meldrum (Coolawarrah)AustraliaRecord daily precipitation154.0 mm (6.1 in)64 of 100 (Major)
Murwillumbah (Taleswood)AustraliaRecord daily precipitation139.2 mm (5.5 in)63 of 100 (Major)
Coffs Harbour MoAustraliaRecord daily precipitation116.1 mm (4.6 in)63 of 100 (Major)
Glen Elgin (Glenbrook)AustraliaRecord daily precipitation87.2 mm (3.4 in)61 of 100 (Major)
ChillinghamAustraliaRecord daily precipitation160.0 mm (6.3 in)61 of 100 (Major)
Coraki Post OfficeAustraliaRecord daily precipitation100.0 mm (3.9 in)61 of 100 (Major)
Upper Mongogarie (Marangaroo)AustraliaRecord daily precipitation186.6 mm (7.3 in)61 of 100 (Major)
Doon Doon (McCabes Road)AustraliaRecord daily precipitation152.0 mm (6.0 in)60 of 100 (Major)
Kangaroo Creek (Hayfield)AustraliaRecord daily precipitation91.0 mm (3.6 in)60 of 100 (Major)
Orama (Darkwood Road)AustraliaRecord daily precipitation136.0 mm (5.4 in)59 of 100 (Notable)
WellsUnited StatesRecord daily snowfall15.2 cm (6.0 in)58 of 100 (Notable)
BialystokPolandRecord daily precipitation30.0 mm (1.2 in)57 of 100 (Notable)
Mt Tamborine Fern StAustraliaRecord daily precipitation107.0 mm (4.2 in)56 of 100 (Notable)
Grafton South (South GraftonAustraliaRecord daily precipitation124.6 mm (4.9 in)56 of 100 (Notable)
Lillian Rock (Williams Road)AustraliaRecord daily precipitation194.0 mm (7.6 in)56 of 100 (Notable)
Rocky Ford 2 SEUnited StatesRecord daily snowfall12.7 cm (5.0 in)56 of 100 (Notable)
New Italy (Vineyard Haven)AustraliaRecord daily precipitation86.4 mm (3.4 in)55 of 100 (Notable)
Halfway Creek (Pacific Hwy)AustraliaRecord daily precipitation184.0 mm (7.2 in)55 of 100 (Notable)
Leigh (Rolling Acres)AustraliaRecord daily precipitation144.0 mm (5.7 in)55 of 100 (Notable)
Tyringham (Glenferneigh (RingAustraliaRecord daily precipitation105.0 mm (4.1 in)55 of 100 (Notable)
Springbrook RoadAustraliaRecord daily precipitation158.0 mm (6.2 in)53 of 100 (Notable)
Brays Creek (Misty Mountain)AustraliaRecord daily precipitation173.0 mm (6.8 in)53 of 100 (Notable)
Clunes (Main Rd)AustraliaRecord daily precipitation89.0 mm (3.5 in)53 of 100 (Notable)
The ChannonAustraliaRecord daily precipitation104.4 mm (4.1 in)53 of 100 (Notable)
Meerschaum Vale (Jenbetdaph)AustraliaRecord daily precipitation105.0 mm (4.1 in)53 of 100 (Notable)
Woolners ArmAustraliaRecord daily precipitation71.0 mm (2.8 in)52 of 100 (Notable)
Cangai (Smelter Creek)AustraliaRecord daily precipitation174.4 mm (6.9 in)51 of 100 (Notable)
Tweed Heads Golf ClubAustraliaRecord daily precipitation74.6 mm (2.9 in)51 of 100 (Notable)
Bowraville Recreation ClubAustraliaRecord daily precipitation108.0 mm (4.3 in)51 of 100 (Notable)
Nana Glen (Cowling Close)AustraliaRecord daily precipitation168.0 mm (6.6 in)50 of 100 (Notable)
Yarras (Mount Seaview)AustraliaRecord daily precipitation103.2 mm (4.1 in)50 of 100 (Notable)
PontevedraSpainRecord daily precipitation82.2 mm (3.2 in)50 of 100 (Notable)
TryvasshogdaNorwayRecord daily precipitation31.1 mm (1.2 in)49 of 100 (Notable)
Rosebank (Repentance Creek)AustraliaRecord daily precipitation97.0 mm (3.8 in)48 of 100 (Notable)
Byron Bay (Jacaranda Drive)AustraliaRecord daily precipitation87.2 mm (3.4 in)45 of 100 (Notable)
Brooweena Lahey StAustraliaRecord daily precipitation98.0 mm (3.9 in)44 of 100 (Notable)
Brushgrove Post OfficeAustraliaRecord daily precipitation75.0 mm (3.0 in)44 of 100 (Notable)
Yamba Pilot StationAustraliaRecord daily precipitation66.8 mm (2.6 in)43 of 100 (Notable)
Thumb Creek (Figtree)AustraliaRecord daily precipitation155.2 mm (6.1 in)43 of 100 (Notable)
HugotonUnited StatesRecord snow depth22.9 cm (9.0 in)43 of 100 (Notable)
Mummulgum (Bingeebeebra)AustraliaRecord daily precipitation68.0 mm (2.7 in)42 of 100 (Notable)
Harwood Island (Harwood SugarAustraliaRecord daily precipitation80.4 mm (3.2 in)41 of 100 (Notable)
RivertonUnited StatesRecord daily snowfall5.8 cm (2.3 in)41 of 100 (Notable)
Mullumbimby (Fairview Farm)AustraliaRecord daily precipitation73.0 mm (2.9 in)40 of 100 (Notable)
Kunghur (the Junction)AustraliaRecord daily precipitation96.0 mm (3.8 in)40 of 100 (Notable)
MeadeUnited StatesRecord snow depth27.9 cm (11.0 in)40 of 100 (Notable)
Orienta 1SSWUnited StatesRecord snow depth10.2 cm (4.0 in)40 of 100 (Notable)
John Martin DamUnited StatesRecord daily snowfall5.3 cm (2.1 in)39 of 100 (Notable)
ViennaUnited StatesRecord daily precipitation31.2 mm (1.2 in)39 of 100 (Notable)
Mount Cotton WestAustraliaRecord daily precipitation55.0 mm (2.2 in)38 of 100 (Notable)
Tabulam (Muirne)AustraliaRecord daily precipitation68.4 mm (2.7 in)37 of 100 (Notable)
Toorooka (Moparrabah)AustraliaRecord daily precipitation65.2 mm (2.6 in)37 of 100 (Notable)
Daly Waters AWSAustraliaRecord daily precipitation35.8 mm (1.4 in)36 of 100 (Notable)
Wooli BeachAustraliaRecord daily precipitation69.8 mm (2.7 in)36 of 100 (Notable)
Ft RossUnited StatesRecord high maximum temperature20.6 C (69.1 F)36 of 100 (Notable)

Counts by Type and Timescale

400 records
Records on 15 December 2020 by type Records set or tied on 15 December 2020 by type: Highest daily maximum 51, Lowest daily maximum 33, Highest daily minimum 77, Lowest daily minimum 29, Heaviest daily rainfall 157, Heaviest daily snowfall 33, Deepest snow cover 20. 050100150200Highest daily maximum: 51Lowest daily maximum: 33Highest daily minimum: 77Lowest daily minimum: 29Heaviest daily rainfall: 157Heaviest daily snowfall: 33Deepest snow cover: 20Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 15 December 2020 by type: Highest daily maximum 51, Lowest daily maximum 33, Highest daily minimum 77, Lowest daily minimum 29, Heaviest daily rainfall 157, Heaviest daily snowfall 33, Deepest snow cover 20.
Records on 15 December 2020 by type
Record typeRecords
Highest daily maximum51
Lowest daily maximum33
Highest daily minimum77
Lowest daily minimum29
Heaviest daily rainfall157
Heaviest daily snowfall33
Deepest snow cover20
Records on 15 December 2020 by timescale Records on 15 December 2020 by timescale: all-time 0, monthly 13, daily 387. 0100200300400all-time: 0monthly: 13daily: 387all-timemonthlydaily
Records on 15 December 2020 by timescale: all-time 0, monthly 13, daily 387.
Records on 15 December 2020 by timescale
TimescaleRecords
all-time0
monthly13
daily387

How Much Records Were Beaten By

343 broken records
Histogram of margins by which records were beaten on 15 December 2020 Margins by which the 343 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 153.0. Ties are not counted. 01002003000 to 20: 25820 to 40: 3140 to 60: 1760 to 80: 1780 to 100: 5100 to 120: 7120 to 140: 6140 to 160: 20 to 2020 to 4040 to 6060 to 8080 to 100100 to 120120 to 140140 to 160
Margins by which the 343 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 153.0. Ties are not counted.
Histogram of margins by which records were beaten on 15 December 2020
MarginRecords
0 to 20258
20 to 4031
40 to 6017
60 to 8017
80 to 1005
100 to 1207
120 to 1406
140 to 1602

Top 20 by Significance

15 December 2020
Top 20 records on 15 December 2020 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
15 December 2020Lower Bucca, AUdaily rain170.2 mm (6.7 in)103.9 mm (4.1 in)89 years76 of 100 (Major)
15 December 2020Nimbin Post Office, AUdaily rain138.0 mm (5.4 in)105.5 mm (4.2 in)83 years74 of 100 (Major)
15 December 2020Coramba (Glenfiddich), AUdaily rain151.8 mm (6.0 in)120.0 mm (4.7 in)59 years67 of 100 (Major)
15 December 2020Numinbah, AUdaily rain179.0 mm (7.0 in)121.8 mm (4.8 in)55 years65 of 100 (Major)
15 December 2020Nymboida (Armidale Road), AUdaily rain142.0 mm (5.6 in)97.8 mm (3.9 in)49 years64 of 100 (Major)
15 December 2020Meldrum (Coolawarrah), AUdaily rain154.0 mm (6.1 in)88.5 mm (3.5 in)58 years64 of 100 (Major)
15 December 2020Murwillumbah (Taleswood), AUdaily rain139.2 mm (5.5 in)104.9 mm (4.1 in)55 years63 of 100 (Major)
15 December 2020Coffs Harbour Mo, AUdaily rain116.1 mm (4.6 in)67.1 mm (2.6 in)65 years63 of 100 (Major)
15 December 2020Glen Elgin (Glenbrook), AUdaily rain87.2 mm (3.4 in)26.7 mm (1.1 in)102 years61 of 100 (Major)
15 December 2020Chillingham, AUdaily rain160.0 mm (6.3 in)125.7 mm (4.9 in)49 years61 of 100 (Major)
15 December 2020Coraki Post Office, AUdaily rain100.0 mm (3.9 in)47.7 mm (1.9 in)83 years61 of 100 (Major)
15 December 2020Upper Mongogarie (Marangaroo), AUmonthly rain186.6 mm (7.3 in)83.0 mm (3.3 in)29 years61 of 100 (Major)
15 December 2020Doon Doon (McCabes Road), AUdaily rain152.0 mm (6.0 in)125.3 mm (4.9 in)49 years60 of 100 (Major)
15 December 2020Kangaroo Creek (Hayfield), AUdaily rain91.0 mm (3.6 in)60.0 mm (2.4 in)49 years60 of 100 (Major)
15 December 2020Orama (Darkwood Road), AUdaily rain136.0 mm (5.4 in)87.0 mm (3.4 in)49 years59 of 100 (Notable)
15 December 2020Wells, USdaily snowfall15.2 cm (6.0 in)11.4 cm (4.5 in)86 years58 of 100 (Notable)
15 December 2020Bialystok, PLmonthly rain30.0 mm (1.2 in)6.9 mm (0.27 in)66 years57 of 100 (Notable)
15 December 2020Mt Tamborine Fern St, AUdaily rain107.0 mm (4.2 in)46.8 mm (1.8 in)74 years56 of 100 (Notable)
15 December 2020Grafton South (South Grafton, AUdaily rain124.6 mm (4.9 in)91.6 mm (3.6 in)37 years56 of 100 (Notable)
15 December 2020Lillian Rock (Williams Road), AUdaily rain194.0 mm (7.6 in)147.0 mm (5.8 in)39 years56 of 100 (Notable)

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 2020
Records on 12-15 in each year Records set or tied on this calendar date in each year from 1793 to 2020. 2020 had 400 records. 01,0002,0003,0001793: 11796: 11798: 11800: 11808: 31810: 11814: 31815: 11825: 11831: 11840: 21844: 21846: 31847: 11854: 31859: 21863: 11864: 11866: 11867: 21868: 11869: 11870: 11873: 11874: 11878: 41879: 21880: 21881: 31882: 21883: 11885: 11886: 11889: 31890: 11891: 21892: 41893: 11894: 41895: 11896: 51897: 21899: 121900: 51901: 211902: 31903: 71904: 91905: 61906: 91907: 101908: 51909: 51910: 41911: 231912: 421913: 131914: 2391915: 1801916: 401917: 401918: 541919: 281920: 351921: 261922: 651923: 1321924: 3581925: 1871926: 2261927: 2351928: 3881929: 5001930: 1601931: 2841932: 3851933: 7961934: 1991935: 1401936: 2861937: 3101938: 1001939: 6371940: 4641941: 3731942: 3851943: 4861944: 2811945: 4201946: 5211947: 6341948: 1,2391949: 1351950: 2921951: 9621952: 3671953: 2701954: 4131955: 3711956: 5311957: 3041958: 5311959: 5601960: 3131961: 8831962: 9791963: 6701964: 3711965: 7591966: 2751967: 9481968: 5101969: 3521970: 2151971: 1,7391972: 1,1591973: 6151974: 5111975: 1,2301976: 3491977: 9631978: 4991979: 5601980: 1,0851981: 1,2431982: 8311983: 1,2291984: 1,3971985: 1,0771986: 5021987: 1,7401988: 5191989: 2,7531990: 8461991: 6361992: 1,2631993: 7341994: 6761995: 8481996: 7271997: 1,5211998: 1,2161999: 6212000: 1,1542001: 1,0262002: 8312003: 8462004: 7952005: 9532006: 1,4912007: 9732008: 1,7892009: 9302010: 1,7052011: 7802012: 1,0582013: 7012014: 1,0452015: 1,3982016: 1,0242017: 3322018: 5392019: 5472020: 4002021: 1,1822022: 1,0572023: 7942024: 3692025: 2,1151793186418901908192519421959197619932010
Records set or tied on this calendar date in each year from 1793 to 2020. 2020 had 400 records.
Counts for years before the ledger starts come from the same station rules.
Records on 12-15 in each year
YearRecords
17931
17961
17981
18001
18083
18101
18143
18151
18251
18311
18402
18442
18463
18471
18543
18592
18631
18641
18661
18672
18681
18691
18701
18731
18741
18784
18792
18802
18813
18822
18831
18851
18861
18893
18901
18912
18924
18931
18944
18951
18965
18972
189912
19005
190121
19023
19037
19049
19056
19069
190710
19085
19095
19104
191123
191242
191313
1914239
1915180
191640
191740
191854
191928
192035
192126
192265
1923132
1924358
1925187
1926226
1927235
1928388
1929500
1930160
1931284
1932385
1933796
1934199
1935140
1936286
1937310
1938100
1939637
1940464
1941373
1942385
1943486
1944281
1945420
1946521
1947634
19481,239
1949135
1950292
1951962
1952367
1953270
1954413
1955371
1956531
1957304
1958531
1959560
1960313
1961883
1962979
1963670
1964371
1965759
1966275
1967948
1968510
1969352
1970215
19711,739
19721,159
1973615
1974511
19751,230
1976349
1977963
1978499
1979560
19801,085
19811,243
1982831
19831,229
19841,397
19851,077
1986502
19871,740
1988519
19892,753
1990846
1991636
19921,263
1993734
1994676
1995848
1996727
19971,521
19981,216
1999621
20001,154
20011,026
2002831
2003846
2004795
2005953
20061,491
2007973
20081,789
2009930
20101,705
2011780
20121,058
2013701
20141,045
20151,398
20161,024
2017332
2018539
2019547
2020400
20211,182
20221,057
2023794
2024369
20252,115

Download the Data

  • Data for records on 2020-12-15: 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 (2026-10-16).