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Built 2026-10-19 (19 October 2026)

Weather Records on 19 December 1917

36 weather records were set or tied worldwide on 19 December 1917. Highest significance: Mandamar, AU.

Key Facts for 19 December 1917

  • On 19 December 1917, 36 weather records were set or tied at long-record stations worldwide.
  • 7 were record highs and 5 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 35 daily.
  • Mandamar set a daily record precipitation of 33.0 mm (1.3 in) on 19 December 1917.
  • Across 152 earlier years (1793 to 2025) the same calendar date averaged 505 records.

Record Map

36 stations
Weather records on 19 December 1917 36 station records on 19 December 1917 are marked on the map, coloured by record type.
36 station records on 19 December 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 19 December 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
MandamarAustraliaRecord daily precipitation33.0 mm (1.3 in)25 of 100 (Routine)
Port Clinton (Yararoo)AustraliaRecord daily precipitation9.1 mm (0.36 in)20 of 100 (Routine)
Port WakefieldAustraliaRecord daily precipitation14.7 mm (0.6 in)20 of 100 (Routine)
VanersborgSwedenRecord daily precipitation15.2 mm (0.6 in)20 of 100 (Routine)
Burra (Poonunda)AustraliaRecord daily precipitation11.2 mm (0.4 in)20 of 100 (Routine)
Bute (Ninnes)AustraliaRecord daily precipitation11.7 mm (0.5 in)20 of 100 (Routine)
LobethalAustraliaRecord daily precipitation6.4 mm (0.25 in)19 of 100 (Routine)
Ft BidwellUnited StatesRecord high maximum temperature15.0 C (59.0 F)18 of 100 (Routine)
Stellenbosch (Tnk)South AfricaRecord daily precipitation5.1 mm (0.20 in)17 of 100 (Routine)
MalmesburySouth AfricaRecord daily precipitation7.4 mm (0.29 in)16 of 100 (Routine)
Perth Regional OfficeAustraliaRecord daily precipitation15.5 mm (0.6 in)15 of 100 (Routine)
PaskevilleAustraliaRecord daily precipitation7.1 mm (0.28 in)15 of 100 (Routine)
Whyte YarcowieAustraliaRecord daily precipitation11.4 mm (0.4 in)14 of 100 (Routine)
Cet Central EnglandUnited KingdomRecord low minimum temperature-5.8 C (21.6 F)14 of 100 (Routine)
YackaAustraliaRecord daily precipitation3.8 mm (0.15 in)13 of 100 (Routine)
Robe ComparisonAustraliaRecord high minimum temperature17.5 C (63.5 F)13 of 100 (Routine)
Guelph OacCanadaRecord daily precipitation12.7 mm (0.5 in)13 of 100 (Routine)
Nemours (Ghazaouet)AlgeriaRecord low maximum temperature12.0 C (53.6 F)12 of 100 (Routine)
HammondAustraliaRecord daily precipitation5.1 mm (0.20 in)12 of 100 (Routine)
OrrorooAustraliaRecord daily precipitation5.8 mm (0.23 in)12 of 100 (Routine)
Naracoorte Cave RangeAustraliaRecord daily precipitation5.1 mm (0.20 in)12 of 100 (Routine)
BalaklavaAustraliaRecord daily precipitation8.1 mm (0.32 in)11 of 100 (Routine)
Robe ComparisonAustraliaRecord high maximum temperature32.2 C (90.0 F)11 of 100 (Routine)
VastervikSwedenRecord low minimum temperature-9.5 C (14.9 F)11 of 100 (Routine)
Bloukrans (Bos)South AfricaRecord daily precipitation11.4 mm (0.4 in)10 of 100 (Routine)
Stromsfoss SluseNorwayRecord daily precipitation15.0 mm (0.6 in)8 of 100 (Routine)
MallalaAustraliaRecord daily precipitation6.6 mm (0.26 in)7 of 100 (Routine)
KievUkraineRecord daily precipitation10.2 mm (0.4 in)7 of 100 (Routine)
Winnemucca APUnited StatesRecord high maximum temperature18.3 C (64.9 F)6 of 100 (Routine)
Jacksonville Wb CityUnited StatesRecord low maximum temperature7.8 C (46.0 F)3 of 100 (Routine)
Port GermeinAustraliaRecord daily precipitation5.6 mm (0.22 in)2 of 100 (Routine)
Two WellsAustraliaRecord daily precipitation2.8 mm (0.11 in)2 of 100 (Routine)
Santa FeUnited StatesRecord high maximum temperature12.8 C (55.0 F)2 of 100 (Routine)
Green BayUnited StatesRecord high minimum temperature0.0 C (32.0 F)2 of 100 (Routine)
San Diego WboUnited StatesRecord high maximum temperature25.6 C (78.1 F)1 of 100 (Routine)
Algiers-Ville/UniversiteAlgeriaRecord low minimum temperature7.0 C (44.6 F)0 of 100 (Routine)

Counts by Type and Timescale

36 records
Records on 19 December 1917 by type Records set or tied on 19 December 1917 by type: Highest daily maximum 5, Lowest daily maximum 2, Highest daily minimum 2, Lowest daily minimum 3, Heaviest daily rainfall 24. 0102030Highest daily maximum: 5Lowest daily maximum: 2Highest daily minimum: 2Lowest daily minimum: 3Heaviest daily rainfall: 24Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 19 December 1917 by type: Highest daily maximum 5, Lowest daily maximum 2, Highest daily minimum 2, Lowest daily minimum 3, Heaviest daily rainfall 24.
Records on 19 December 1917 by type
Record typeRecords
Highest daily maximum5
Lowest daily maximum2
Highest daily minimum2
Lowest daily minimum3
Heaviest daily rainfall24
Heaviest daily snowfall0
Deepest snow cover0
Records on 19 December 1917 by timescale Records on 19 December 1917 by timescale: all-time 0, monthly 1, daily 35. 010203040all-time: 0monthly: 1daily: 35all-timemonthlydaily
Records on 19 December 1917 by timescale: all-time 0, monthly 1, daily 35.
Records on 19 December 1917 by timescale
TimescaleRecords
all-time0
monthly1
daily35

How Much Records Were Beaten By

28 broken records
Histogram of margins by which records were beaten on 19 December 1917 Margins by which the 28 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 12.9. Ties are not counted. 0510150 to 2: 122 to 4: 54 to 6: 66 to 8: 08 to 10: 310 to 12: 112 to 14: 10 to 22 to 44 to 66 to 88 to 1010 to 1212 to 14
Margins by which the 28 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 12.9. Ties are not counted.
Histogram of margins by which records were beaten on 19 December 1917
MarginRecords
0 to 212
2 to 45
4 to 66
6 to 80
8 to 103
10 to 121
12 to 141

Top 20 by Significance

19 December 1917
Top 20 records on 19 December 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
19 December 1917Mandamar, AUdaily rain33.0 mm (1.3 in)11.7 mm (0.5 in)27 years25 of 100 (Routine)
19 December 1917Port Clinton (Yararoo), AUdaily rain9.1 mm (0.36 in)9.1 mm (0.36 in)47 years20 of 100 (Routine)
19 December 1917Port Wakefield, AUdaily rain14.7 mm (0.6 in)12.9 mm (0.5 in)15 years20 of 100 (Routine)
19 December 1917Vanersborg, SEdaily rain15.2 mm (0.6 in)3.0 mm (0.12 in)47 years20 of 100 (Routine)
19 December 1917Burra (Poonunda), AUdaily rain11.2 mm (0.4 in)8.7 mm (0.34 in)31 years20 of 100 (Routine)
19 December 1917Bute (Ninnes), AUdaily rain11.7 mm (0.5 in)9.4 mm (0.37 in)15 years20 of 100 (Routine)
19 December 1917Lobethal, AUdaily rain6.4 mm (0.25 in)4.6 mm (0.18 in)31 years19 of 100 (Routine)
19 December 1917Ft Bidwell, USdaily high max15.0 C (59.0 F)2.2 C (4.0 F)39 years18 of 100 (Routine)
19 December 1917Stellenbosch (Tnk), ZAdaily rain5.1 mm (0.20 in)4.3 mm (0.17 in)24 years17 of 100 (Routine)
19 December 1917Malmesbury, ZAdaily rain7.4 mm (0.29 in)4.1 mm (0.16 in)16 years16 of 100 (Routine)
19 December 1917Perth Regional Office, AUdaily rain15.5 mm (0.6 in)5.3 mm (0.21 in)4 years15 of 100 (Routine)
19 December 1917Paskeville, AUdaily rain7.1 mm (0.28 in)4.8 mm (0.19 in)15 years15 of 100 (Routine)
19 December 1917Whyte Yarcowie, AUdaily rain11.4 mm (0.4 in)1.7 mm (0.07 in)31 years14 of 100 (Routine)
19 December 1917Cet Central England, GBdaily low min-5.8 C (21.6 F)0.9 C (1.6 F)30 years14 of 100 (Routine)
19 December 1917Yacka, AUdaily rain3.8 mm (0.15 in)1.0 mm (0.04 in)31 years13 of 100 (Routine)
19 December 1917Robe Comparison, AUdaily high min17.5 C (63.5 F)0.3 C (0.5 F)31 years13 of 100 (Routine)
19 December 1917Guelph Oac, CAdaily rain12.7 mm (0.5 in)2.5 mm (0.10 in)23 years13 of 100 (Routine)
19 December 1917Nemours (Ghazaouet), DZdaily low max12.0 C (53.6 F)1.0 C (1.8 F)16 years12 of 100 (Routine)
19 December 1917Hammond, AUdaily rain5.1 mm (0.20 in)1.3 mm (0.05 in)28 years12 of 100 (Routine)
19 December 1917Orroroo, AUdaily rain5.8 mm (0.23 in)2.8 mm (0.11 in)15 years12 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 1917
Records on 12-19 in each year Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 36 records. 01,0002,0003,0001793: 21795: 11805: 11835: 11846: 21849: 11852: 31855: 31859: 31860: 11861: 21869: 21870: 11875: 21877: 21880: 11884: 21885: 11888: 11889: 31890: 41892: 41894: 11895: 41896: 11898: 31899: 21900: 11901: 31902: 161903: 21904: 191905: 51906: 91907: 121908: 121909: 181910: 221911: 171912: 411913: 501914: 231915: 311916: 381917: 361918: 241919: 531920: 301921: 601922: 1551923: 1801924: 4921925: 791926: 1521927: 2221928: 451929: 3861930: 761931: 6501932: 2391933: 4591934: 4551935: 1101936: 6891937: 2111938: 2371939: 3901940: 3921941: 5881942: 6541943: 3641944: 2411945: 7001946: 1821947: 2831948: 3971949: 6321950: 5451951: 6221952: 4691953: 5171954: 4431955: 9061956: 2871957: 9841958: 3861959: 2491960: 4321961: 5951962: 6701963: 9661964: 7531965: 3921966: 8511967: 1,0631968: 9001969: 3811970: 4851971: 2881972: 3251973: 1,0141974: 2521975: 8431976: 3981977: 5691978: 1,1911979: 8291980: 4561981: 1,5151982: 7681983: 2,8041984: 1,0661985: 1,1791986: 6091987: 1,0951988: 1,0011989: 1,7401990: 1,4631991: 1,2361992: 1,1761993: 1,1531994: 6921995: 1,4591996: 2,1081997: 8301998: 8551999: 6092000: 1,1542001: 6272002: 1,4672003: 9962004: 6642005: 6972006: 1,0612007: 6892008: 1,5452009: 1,9372010: 1,6102011: 8322012: 7742013: 6362014: 5372015: 1,1092016: 1,0802017: 7832018: 3972019: 5412020: 3272021: 6032022: 4942023: 1,2242024: 8642025: 1,5421793188419051921193719531969198520012017
Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 36 records.
Counts for years before the ledger starts come from the same station rules.
Records on 12-19 in each year
YearRecords
17932
17951
18051
18351
18462
18491
18523
18553
18593
18601
18612
18692
18701
18752
18772
18801
18842
18851
18881
18893
18904
18924
18941
18954
18961
18983
18992
19001
19013
190216
19032
190419
19055
19069
190712
190812
190918
191022
191117
191241
191350
191423
191531
191638
191736
191824
191953
192030
192160
1922155
1923180
1924492
192579
1926152
1927222
192845
1929386
193076
1931650
1932239
1933459
1934455
1935110
1936689
1937211
1938237
1939390
1940392
1941588
1942654
1943364
1944241
1945700
1946182
1947283
1948397
1949632
1950545
1951622
1952469
1953517
1954443
1955906
1956287
1957984
1958386
1959249
1960432
1961595
1962670
1963966
1964753
1965392
1966851
19671,063
1968900
1969381
1970485
1971288
1972325
19731,014
1974252
1975843
1976398
1977569
19781,191
1979829
1980456
19811,515
1982768
19832,804
19841,066
19851,179
1986609
19871,095
19881,001
19891,740
19901,463
19911,236
19921,176
19931,153
1994692
19951,459
19962,108
1997830
1998855
1999609
20001,154
2001627
20021,467
2003996
2004664
2005697
20061,061
2007689
20081,545
20091,937
20101,610
2011832
2012774
2013636
2014537
20151,109
20161,080
2017783
2018397
2019541
2020327
2021603
2022494
20231,224
2024864
20251,542

Download the Data

  • Data for records on 1917-12-19: 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).