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Built 2026-10-19 (19 October 2026)

Weather Records on 18 May 1921

41 weather records were set or tied worldwide on 18 May 1921. Highest significance: Culbertson, US.

Key Facts for 18 May 1921

  • On 18 May 1921, 41 weather records were set or tied at long-record stations worldwide.
  • 12 were record highs and 5 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 41 daily.
  • Culbertson set a daily record precipitation of 38.4 mm (1.5 in) on 18 May 1921.
  • Across 164 earlier years (1796 to 2026) the same calendar date averaged 445 records.

Record Map

41 stations
Weather records on 18 May 1921 41 station records on 18 May 1921 are marked on the map, coloured by record type.
41 station records on 18 May 1921 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 18 May 1921: highest significance records shown on the map
StationCountryTypeValueSignificance
CulbertsonUnited StatesRecord daily precipitation38.4 mm (1.5 in)34 of 100 (Routine)
Robe ComparisonAustraliaRecord high maximum temperature22.9 C (73.2 F)29 of 100 (Routine)
Shearleys TankAustraliaRecord daily precipitation38.1 mm (1.5 in)22 of 100 (Routine)
Wilcannia (Mena Murtee)AustraliaRecord daily precipitation25.7 mm (1.0 in)21 of 100 (Routine)
Croydon TownshipAustraliaRecord daily precipitation14.2 mm (0.6 in)19 of 100 (Routine)
Broken Hill (Glen Lyon)AustraliaRecord daily precipitation17.8 mm (0.7 in)18 of 100 (Routine)
Marree ComparisonAustraliaRecord daily precipitation8.1 mm (0.32 in)17 of 100 (Routine)
EdiacaraAustraliaRecord daily precipitation7.1 mm (0.28 in)16 of 100 (Routine)
MuttaburraAustraliaRecord daily precipitation7.4 mm (0.29 in)16 of 100 (Routine)
Augathella Post OfficeAustraliaRecord daily precipitation8.1 mm (0.32 in)16 of 100 (Routine)
ColdwaterCanadaRecord low minimum temperature-2.8 C (27.0 F)16 of 100 (Routine)
Cambridge Downs StationAustraliaRecord daily precipitation14.7 mm (0.6 in)15 of 100 (Routine)
KillalpaninnaAustraliaRecord daily precipitation1.3 mm (0.05 in)14 of 100 (Routine)
Aramac Post OfficeAustraliaRecord daily precipitation20.6 mm (0.8 in)14 of 100 (Routine)
White RiverCanadaRecord low minimum temperature-5.6 C (21.9 F)14 of 100 (Routine)
ZametchinoRussiaRecord daily precipitation16.5 mm (0.6 in)14 of 100 (Routine)
EnisejskRussiaRecord low minimum temperature-6.8 C (19.8 F)14 of 100 (Routine)
Fort ChipewyanCanadaRecord high maximum temperature23.9 C (75.0 F)13 of 100 (Routine)
Braunschweig (T.H.)GermanyRecord high minimum temperature14.8 C (58.6 F)13 of 100 (Routine)
Bindara (Netley)AustraliaRecord daily precipitation8.4 mm (0.33 in)12 of 100 (Routine)
Clausthal-ZellerfeldGermanyRecord high minimum temperature11.8 C (53.2 F)12 of 100 (Routine)
David City 4EUnited StatesRecord daily precipitation27.9 mm (1.1 in)12 of 100 (Routine)
Nemours (Ghazaouet)AlgeriaRecord low maximum temperature17.0 C (62.6 F)11 of 100 (Routine)
CoondamboAustraliaRecord daily precipitation5.1 mm (0.20 in)11 of 100 (Routine)
Hughenden Post OfficeAustraliaRecord daily precipitation21.6 mm (0.9 in)11 of 100 (Routine)
Hawker (Wilson)AustraliaRecord daily precipitation5.8 mm (0.23 in)10 of 100 (Routine)
Adelaide West TerraceAustraliaRecord high maximum temperature25.8 C (78.4 F)10 of 100 (Routine)
Burra BurraAustraliaRecord daily precipitation29.7 mm (1.2 in)10 of 100 (Routine)
Chatillon-Sur-SeineFranceRecord daily precipitation11.3 mm (0.4 in)10 of 100 (Routine)
Brewarrina HospitalAustraliaRecord daily precipitation10.4 mm (0.4 in)9 of 100 (Routine)
Adelaide West TerraceAustraliaRecord high minimum temperature16.2 C (61.2 F)8 of 100 (Routine)
Charlotte PlainsAustraliaRecord daily precipitation6.6 mm (0.26 in)8 of 100 (Routine)
Tambo Post OfficeAustraliaRecord daily precipitation3.8 mm (0.15 in)7 of 100 (Routine)
CottbusGermanyRecord high maximum temperature29.1 C (84.4 F)5 of 100 (Routine)
Hamburg FuhlsbuettelGermanyRecord high minimum temperature14.8 C (58.6 F)3 of 100 (Routine)
BimbowrieAustraliaRecord daily precipitation3.6 mm (0.14 in)2 of 100 (Routine)
EdmontonCanadaRecord high maximum temperature25.0 C (77.0 F)2 of 100 (Routine)
Sidi-Bel-AbbesAlgeriaRecord low maximum temperature16.0 C (60.8 F)1 of 100 (Routine)
New WestminsterCanadaRecord high minimum temperature11.1 C (52.0 F)1 of 100 (Routine)
TranebjergDenmarkRecord high minimum temperature10.8 C (51.4 F)1 of 100 (Routine)
SaentisSwitzerlandRecord high minimum temperature3.0 C (37.4 F)1 of 100 (Routine)

Counts by Type and Timescale

41 records
Records on 18 May 1921 by type Records set or tied on 18 May 1921 by type: Highest daily maximum 5, Lowest daily maximum 2, Highest daily minimum 7, Lowest daily minimum 3, Heaviest daily rainfall 24. 0102030Highest daily maximum: 5Lowest daily maximum: 2Highest daily minimum: 7Lowest daily minimum: 3Heaviest daily rainfall: 24Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 18 May 1921 by type: Highest daily maximum 5, Lowest daily maximum 2, Highest daily minimum 7, Lowest daily minimum 3, Heaviest daily rainfall 24.
Records on 18 May 1921 by type
Record typeRecords
Highest daily maximum5
Lowest daily maximum2
Highest daily minimum7
Lowest daily minimum3
Heaviest daily rainfall24
Heaviest daily snowfall0
Deepest snow cover0
Records on 18 May 1921 by timescale Records on 18 May 1921 by timescale: all-time 0, monthly 0, daily 41. 0204060all-time: 0monthly: 0daily: 41all-timemonthlydaily
Records on 18 May 1921 by timescale: all-time 0, monthly 0, daily 41.
Records on 18 May 1921 by timescale
TimescaleRecords
all-time0
monthly0
daily41

How Much Records Were Beaten By

35 broken records
Histogram of margins by which records were beaten on 18 May 1921 Margins by which the 35 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 25.7. Ties are not counted. 01020300 to 5: 245 to 10: 410 to 15: 615 to 20: 020 to 25: 025 to 30: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 30
Margins by which the 35 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 25.7. Ties are not counted.
Histogram of margins by which records were beaten on 18 May 1921
MarginRecords
0 to 524
5 to 104
10 to 156
15 to 200
20 to 250
25 to 301

Top 20 by Significance

18 May 1921
Top 20 records on 18 May 1921 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
18 May 1921Culbertson, USdaily rain38.4 mm (1.5 in)25.7 mm (1.0 in)29 years34 of 100 (Routine)
18 May 1921Robe Comparison, AUdaily high max22.9 C (73.2 F)3.6 C (6.5 F)31 years29 of 100 (Routine)
18 May 1921Shearleys Tank, AUdaily rain38.1 mm (1.5 in)11.2 mm (0.4 in)10 years22 of 100 (Routine)
18 May 1921Wilcannia (Mena Murtee), AUdaily rain25.7 mm (1.0 in)13.5 mm (0.5 in)11 years21 of 100 (Routine)
18 May 1921Croydon Township, AUdaily rain14.2 mm (0.6 in)12.9 mm (0.5 in)29 years19 of 100 (Routine)
18 May 1921Broken Hill (Glen Lyon), AUdaily rain17.8 mm (0.7 in)10.4 mm (0.4 in)11 years18 of 100 (Routine)
18 May 1921Marree Comparison, AUdaily rain8.1 mm (0.32 in)4.3 mm (0.17 in)32 years17 of 100 (Routine)
18 May 1921Ediacara, AUdaily rain7.1 mm (0.28 in)3.0 mm (0.12 in)32 years16 of 100 (Routine)
18 May 1921Muttaburra, AUdaily rain7.4 mm (0.29 in)6.6 mm (0.26 in)32 years16 of 100 (Routine)
18 May 1921Augathella Post Office, AUdaily rain8.1 mm (0.32 in)7.6 mm (0.30 in)26 years16 of 100 (Routine)
18 May 1921Coldwater, CAdaily low min-2.8 C (27.0 F)2.2 C (4.0 F)32 years16 of 100 (Routine)
18 May 1921Cambridge Downs Station, AUdaily rain14.7 mm (0.6 in)11.4 mm (0.4 in)0 years15 of 100 (Routine)
18 May 1921Killalpaninna, AUdaily rain1.3 mm (0.05 in)1.3 mm (0.05 in)34 years14 of 100 (Routine)
18 May 1921Aramac Post Office, AUdaily rain20.6 mm (0.8 in)9.9 mm (0.39 in)12 years14 of 100 (Routine)
18 May 1921White River, CAdaily low min-5.6 C (21.9 F)1.2 C (2.2 F)30 years14 of 100 (Routine)
18 May 1921Zametchino, RUdaily rain16.5 mm (0.6 in)3.9 mm (0.15 in)12 years14 of 100 (Routine)
18 May 1921Enisejsk, RUdaily low min-6.8 C (19.8 F)1.0 C (1.8 F)32 years14 of 100 (Routine)
18 May 1921Fort Chipewyan, CAdaily high max23.9 C (75.0 F)2.8 C (5.0 F)20 years13 of 100 (Routine)
18 May 1921Braunschweig (T.H.), DEdaily high min14.8 C (58.6 F)0.8 C (1.4 F)27 years13 of 100 (Routine)
18 May 1921Bindara (Netley), AUdaily rain8.4 mm (0.33 in)3.8 mm (0.15 in)20 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

1796 to 1921
Records on 05-18 in each year Records set or tied on this calendar date in each year from 1796 to 1921. 1921 had 41 records. 05001,0001,5002,0001796: 11798: 11802: 21832: 11833: 11845: 11847: 11848: 11855: 11859: 11861: 21863: 31864: 11866: 21868: 21869: 11870: 11871: 21872: 11874: 21877: 41878: 11879: 11881: 11883: 21884: 21885: 11887: 11888: 41889: 21891: 11893: 21894: 41895: 51896: 21897: 21898: 11899: 11900: 131901: 61902: 91903: 71904: 111905: 21906: 241907: 181908: 51909: 121910: 501911: 641912: 51913: 111914: 451915: 551916: 741917: 301918: 421919: 301920: 261921: 411922: 331923: 611924: 921925: 2201926: 1331927: 1801928: 1601929: 1931930: 4751931: 1911932: 4601933: 3801934: 3901935: 4001936: 2821937: 3481938: 3821939: 1691940: 3151941: 3341942: 4211943: 7441944: 4961945: 7061946: 6511947: 2311948: 4261949: 5971950: 4731951: 2791952: 4931953: 3931954: 4981955: 8481956: 7951957: 5951958: 3341959: 4351960: 4041961: 1871962: 1,1991963: 4771964: 3291965: 3451966: 4381967: 4101968: 8171969: 8651970: 7031971: 6661972: 4991973: 1,2331974: 1,0971975: 3831976: 7331977: 1,1261978: 1,0901979: 3991980: 6141981: 1,2181982: 4521983: 1,0931984: 7171985: 4981986: 1,1311987: 8231988: 1,1541989: 7211990: 7531991: 1,2181992: 9211993: 7071994: 1,0151995: 1,8491996: 1,7671997: 1,1151998: 1,0601999: 5842000: 9222001: 8982002: 1,8332003: 1,2702004: 8472005: 6302006: 1,4932007: 1,1332008: 9992009: 1,3682010: 8942011: 1,4062012: 5232013: 8162014: 6092015: 7852016: 5972017: 1,8552018: 5572019: 8102020: 7062021: 4182022: 7112023: 5542024: 5512025: 6192026: 1,1311796187118961913193019471964198119982015
Records set or tied on this calendar date in each year from 1796 to 1921. 1921 had 41 records.
Counts for years before the ledger starts come from the same station rules.
Records on 05-18 in each year
YearRecords
17961
17981
18022
18321
18331
18451
18471
18481
18551
18591
18612
18633
18641
18662
18682
18691
18701
18712
18721
18742
18774
18781
18791
18811
18832
18842
18851
18871
18884
18892
18911
18932
18944
18955
18962
18972
18981
18991
190013
19016
19029
19037
190411
19052
190624
190718
19085
190912
191050
191164
19125
191311
191445
191555
191674
191730
191842
191930
192026
192141
192233
192361
192492
1925220
1926133
1927180
1928160
1929193
1930475
1931191
1932460
1933380
1934390
1935400
1936282
1937348
1938382
1939169
1940315
1941334
1942421
1943744
1944496
1945706
1946651
1947231
1948426
1949597
1950473
1951279
1952493
1953393
1954498
1955848
1956795
1957595
1958334
1959435
1960404
1961187
19621,199
1963477
1964329
1965345
1966438
1967410
1968817
1969865
1970703
1971666
1972499
19731,233
19741,097
1975383
1976733
19771,126
19781,090
1979399
1980614
19811,218
1982452
19831,093
1984717
1985498
19861,131
1987823
19881,154
1989721
1990753
19911,218
1992921
1993707
19941,015
19951,849
19961,767
19971,115
19981,060
1999584
2000922
2001898
20021,833
20031,270
2004847
2005630
20061,493
20071,133
2008999
20091,368
2010894
20111,406
2012523
2013816
2014609
2015785
2016597
20171,855
2018557
2019810
2020706
2021418
2022711
2023554
2024551
2025619
20261,131

Download the Data

  • Data for records on 1921-05-18: 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).