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Built 2026-10-19 (19 October 2026)

Weather Records on 9 December 1879

9 weather records were set or tied worldwide on 9 December 1879. Highest significance: Praha-Klementinum, CZ.

Key Facts for 9 December 1879

  • On 9 December 1879, 9 weather records were set or tied at long-record stations worldwide.
  • 0 were record highs and 9 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 8 daily.
  • Praha-Klementinum set a daily record low maximum temperature of -14.9 C (5.2 F) on 9 December 1879.
  • Across 157 earlier years (1796 to 2025) the same calendar date averaged 478 records.

Record Map

9 stations
Weather records on 9 December 1879 9 station records on 9 December 1879 are marked on the map, coloured by record type.
9 station records on 9 December 1879 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 9 December 1879: highest significance records shown on the map
StationCountryTypeValueSignificance
Praha-KlementinumCzech RepublicRecord low maximum temperature-14.9 C (5.2 F)48 of 100 (Notable)
Praha-KlementinumCzech RepublicRecord low minimum temperature-19.9 C (-3.8 F)47 of 100 (Notable)
MilanItalyRecord low maximum temperature-3.0 C (26.6 F)25 of 100 (Routine)
BolognaItalyRecord low minimum temperature-11.0 C (12.2 F)23 of 100 (Routine)
Jena SternwarteGermanyRecord low maximum temperature-9.0 C (15.8 F)22 of 100 (Routine)
MilanItalyRecord low minimum temperature-11.0 C (12.2 F)21 of 100 (Routine)
UccleBelgiumRecord low maximum temperature-7.8 C (18.0 F)17 of 100 (Routine)
UccleBelgiumRecord low minimum temperature-17.7 C (0.1 F)16 of 100 (Routine)
Jena SternwarteGermanyRecord low minimum temperature-21.4 C (-6.5 F)15 of 100 (Routine)

Counts by Type and Timescale

9 records
Records on 9 December 1879 by type Records set or tied on 9 December 1879 by type: Lowest daily maximum 4, Lowest daily minimum 5. 0246Highest daily maximum: 0Lowest daily maximum: 4Highest daily minimum: 0Lowest daily minimum: 5Heaviest daily rainfall: 0Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 9 December 1879 by type: Lowest daily maximum 4, Lowest daily minimum 5.
Records on 9 December 1879 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum4
Highest daily minimum0
Lowest daily minimum5
Heaviest daily rainfall0
Heaviest daily snowfall0
Deepest snow cover0
Records on 9 December 1879 by timescale Records on 9 December 1879 by timescale: all-time 0, monthly 1, daily 8. 02468all-time: 0monthly: 1daily: 8all-timemonthlydaily
Records on 9 December 1879 by timescale: all-time 0, monthly 1, daily 8.
Records on 9 December 1879 by timescale
TimescaleRecords
all-time0
monthly1
daily8

How Much Records Were Beaten By

9 broken records
Histogram of margins by which records were beaten on 9 December 1879 Margins by which the 9 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 5.8. Ties are not counted. 01230 to 1: 11 to 2: 22 to 3: 03 to 4: 24 to 5: 15 to 6: 30 to 11 to 22 to 33 to 44 to 55 to 6
Margins by which the 9 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 5.8. Ties are not counted.
Histogram of margins by which records were beaten on 9 December 1879
MarginRecords
0 to 11
1 to 22
2 to 30
3 to 42
4 to 51
5 to 63

Top 20 by Significance

9 December 1879
Top 9 records on 9 December 1879 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
9 December 1879Praha-Klementinum, CZdaily low max-14.9 C (5.2 F)5.3 C (9.5 F)90 years48 of 100 (Notable)
9 December 1879Praha-Klementinum, CZdaily low min-19.9 C (-3.8 F)5.8 C (10.4 F)90 years47 of 100 (Notable)
9 December 1879Milan, ITdaily low max-3.0 C (26.6 F)1.9 C (3.4 F)34 years25 of 100 (Routine)
9 December 1879Bologna, ITdaily low min-11.0 C (12.2 F)5.3 C (9.5 F)8 years23 of 100 (Routine)
9 December 1879Jena Sternwarte, DEdaily low max-9.0 C (15.8 F)3.7 C (6.7 F)34 years22 of 100 (Routine)
9 December 1879Milan, ITdaily low min-11.0 C (12.2 F)3.3 C (5.9 F)8 years21 of 100 (Routine)
9 December 1879Uccle, BEdaily low max-7.8 C (18.0 F)1.7 C (3.1 F)34 years17 of 100 (Routine)
9 December 1879Uccle, BEmonthly low min-17.7 C (0.1 F)0.4 C (0.7 F)8 years16 of 100 (Routine)
9 December 1879Jena Sternwarte, DEdaily low min-21.4 C (-6.5 F)4.6 C (8.3 F)12 years15 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

1796 to 1879
Records on 12-09 in each year Records set or tied on this calendar date in each year from 1796 to 1879. 1879 had 9 records. 01,0002,0003,0001796: 11820: 11825: 31831: 11844: 11856: 11860: 11862: 11867: 21868: 11869: 11871: 31872: 11873: 21876: 21878: 41879: 91880: 11882: 31883: 11885: 21886: 21887: 11889: 11891: 31893: 11894: 11895: 31896: 11897: 41898: 31899: 51900: 11901: 41902: 181903: 71904: 21905: 91906: 151907: 281908: 51909: 181910: 361911: 311912: 181913: 371914: 571915: 1391916: 3661917: 1061918: 401919: 581920: 2211921: 581922: 3111923: 2031924: 1641925: 931926: 1131927: 3561928: 1101929: 1921930: 2111931: 4341932: 3391933: 2501934: 3641935: 2631936: 1431937: 3481938: 3291939: 1,0301940: 2511941: 1441942: 3701943: 4961944: 3271945: 1781946: 1,3081947: 3031948: 2781949: 2991950: 3821951: 8491952: 5531953: 3471954: 2261955: 3521956: 6721957: 5651958: 6781959: 2171960: 4261961: 8181962: 3771963: 6421964: 5471965: 7061966: 9681967: 6391968: 4821969: 3471970: 9871971: 6551972: 1,7761973: 6791974: 6291975: 6681976: 8681977: 1,5481978: 2,0601979: 6931980: 7601981: 7481982: 5891983: 6641984: 5881985: 1,0741986: 6581987: 1,0071988: 9391989: 1,2701990: 8441991: 8781992: 7911993: 9121994: 1,0711995: 1,2471996: 9461997: 1,2141998: 7691999: 7742000: 9202001: 5052002: 1,0522003: 8242004: 1,1082005: 1,7142006: 1,7182007: 1,1242008: 1,0522009: 2,4422010: 1,7262011: 4962012: 7532013: 1,0182014: 5102015: 1,0542016: 6792017: 7162018: 6232019: 6112020: 5662021: 6712022: 6662023: 9072024: 4222025: 1,6031796187919001916193219481964198019962012
Records set or tied on this calendar date in each year from 1796 to 1879. 1879 had 9 records.
Counts for years before the ledger starts come from the same station rules.
Records on 12-09 in each year
YearRecords
17961
18201
18253
18311
18441
18561
18601
18621
18672
18681
18691
18713
18721
18732
18762
18784
18799
18801
18823
18831
18852
18862
18871
18891
18913
18931
18941
18953
18961
18974
18983
18995
19001
19014
190218
19037
19042
19059
190615
190728
19085
190918
191036
191131
191218
191337
191457
1915139
1916366
1917106
191840
191958
1920221
192158
1922311
1923203
1924164
192593
1926113
1927356
1928110
1929192
1930211
1931434
1932339
1933250
1934364
1935263
1936143
1937348
1938329
19391,030
1940251
1941144
1942370
1943496
1944327
1945178
19461,308
1947303
1948278
1949299
1950382
1951849
1952553
1953347
1954226
1955352
1956672
1957565
1958678
1959217
1960426
1961818
1962377
1963642
1964547
1965706
1966968
1967639
1968482
1969347
1970987
1971655
19721,776
1973679
1974629
1975668
1976868
19771,548
19782,060
1979693
1980760
1981748
1982589
1983664
1984588
19851,074
1986658
19871,007
1988939
19891,270
1990844
1991878
1992791
1993912
19941,071
19951,247
1996946
19971,214
1998769
1999774
2000920
2001505
20021,052
2003824
20041,108
20051,714
20061,718
20071,124
20081,052
20092,442
20101,726
2011496
2012753
20131,018
2014510
20151,054
2016679
2017716
2018623
2019611
2020566
2021671
2022666
2023907
2024422
20251,603

Download the Data

  • Data for records on 1879-12-09: 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 (2025-12-31).