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Built 2026-10-19 (19 October 2026)

Weather Records on 4 May 1918

30 weather records were set or tied worldwide on 4 May 1918. Highest significance: Gospic, HR.

Key Facts for 4 May 1918

  • On 4 May 1918, 30 weather records were set or tied at long-record stations worldwide.
  • 16 were record highs and 6 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 29 daily.
  • Gospic set a daily record precipitation of 48.2 mm (1.9 in) on 4 May 1918.
  • Across 163 earlier years (1795 to 2026) the same calendar date averaged 433 records.

Record Map

30 stations
Weather records on 4 May 1918 30 station records on 4 May 1918 are marked on the map, coloured by record type.
30 station records on 4 May 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 4 May 1918: highest significance records shown on the map
StationCountryTypeValueSignificance
GospicCroatiaRecord daily precipitation48.2 mm (1.9 in)31 of 100 (Routine)
Houston Wb CityUnited StatesRecord daily precipitation39.9 mm (1.6 in)21 of 100 (Routine)
Britstown (Pol)South AfricaRecord daily precipitation11.4 mm (0.4 in)20 of 100 (Routine)
Pointe Au PereCanadaRecord daily snowfall1.0 cm (0.4 in)19 of 100 (Routine)
St. PetersburgRussiaRecord low maximum temperature-0.5 C (31.1 F)19 of 100 (Routine)
Clanwilliam (Pol)South AfricaRecord daily precipitation11.7 mm (0.5 in)18 of 100 (Routine)
Santa FeUnited StatesRecord daily precipitation25.4 mm (1.0 in)18 of 100 (Routine)
Adelaide West TerraceAustraliaRecord high minimum temperature19.2 C (66.6 F)17 of 100 (Routine)
San Diego WboUnited StatesRecord high minimum temperature15.6 C (60.1 F)16 of 100 (Routine)
ArhangelskRussiaRecord low minimum temperature-13.0 C (8.6 F)15 of 100 (Routine)
Dubuque RiverUnited StatesRecord high maximum temperature31.7 C (89.1 F)15 of 100 (Routine)
Bathurst GaolAustraliaRecord high maximum temperature23.9 C (75.0 F)14 of 100 (Routine)
Robe ComparisonAustraliaRecord high maximum temperature22.2 C (72.0 F)13 of 100 (Routine)
Swift CurrentCanadaRecord high maximum temperature28.9 C (84.0 F)13 of 100 (Routine)
Yardley ChaseSouth AfricaRecord daily precipitation11.7 mm (0.5 in)13 of 100 (Routine)
Adelaide West TerraceAustraliaRecord high maximum temperature29.7 C (85.5 F)12 of 100 (Routine)
Prince AlbertCanadaRecord high maximum temperature27.8 C (82.0 F)12 of 100 (Routine)
EdmontonCanadaRecord high minimum temperature11.1 C (52.0 F)11 of 100 (Routine)
Medicine Hat ACanadaRecord high maximum temperature30.0 C (86.0 F)11 of 100 (Routine)
Calgary Int'l ACanadaRecord high minimum temperature7.8 C (46.0 F)10 of 100 (Routine)
Forbes (Camp Street)AustraliaRecord high maximum temperature27.2 C (81.0 F)8 of 100 (Routine)
TartuEstoniaRecord low minimum temperature-3.4 C (25.9 F)5 of 100 (Routine)
Huron Rgnl APUnited StatesRecord high maximum temperature31.7 C (89.1 F)5 of 100 (Routine)
Anticosti SW PointCanadaRecord daily snowfall2.5 cm (1.0 in)3 of 100 (Routine)
Bird RocksCanadaRecord low minimum temperature-3.9 C (25.0 F)3 of 100 (Routine)
Winnipeg St Johns CollCanadaRecord high maximum temperature31.1 C (88.0 F)2 of 100 (Routine)
Belle IsleCanadaRecord low minimum temperature-8.9 C (16.0 F)2 of 100 (Routine)
Medicine Hat ACanadaRecord high minimum temperature10.0 C (50.0 F)1 of 100 (Routine)
La Crosse Wb CityUnited StatesRecord high maximum temperature28.3 C (82.9 F)1 of 100 (Routine)
Houston Wb CityUnited StatesRecord low maximum temperature23.3 C (73.9 F)0 of 100 (Routine)

Counts by Type and Timescale

30 records
Records on 4 May 1918 by type Records set or tied on 4 May 1918 by type: Highest daily maximum 11, Lowest daily maximum 2, Highest daily minimum 5, Lowest daily minimum 4, Heaviest daily rainfall 6, Heaviest daily snowfall 2. 051015Highest daily maximum: 11Lowest daily maximum: 2Highest daily minimum: 5Lowest daily minimum: 4Heaviest daily rainfall: 6Heaviest daily snowfall: 2Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 4 May 1918 by type: Highest daily maximum 11, Lowest daily maximum 2, Highest daily minimum 5, Lowest daily minimum 4, Heaviest daily rainfall 6, Heaviest daily snowfall 2.
Records on 4 May 1918 by type
Record typeRecords
Highest daily maximum11
Lowest daily maximum2
Highest daily minimum5
Lowest daily minimum4
Heaviest daily rainfall6
Heaviest daily snowfall2
Deepest snow cover0
Records on 4 May 1918 by timescale Records on 4 May 1918 by timescale: all-time 0, monthly 1, daily 29. 0102030all-time: 0monthly: 1daily: 29all-timemonthlydaily
Records on 4 May 1918 by timescale: all-time 0, monthly 1, daily 29.
Records on 4 May 1918 by timescale
TimescaleRecords
all-time0
monthly1
daily29

How Much Records Were Beaten By

23 broken records
Histogram of margins by which records were beaten on 4 May 1918 Margins by which the 23 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 26.2. Ties are not counted. 051015200 to 5: 195 to 10: 010 to 15: 215 to 20: 020 to 25: 125 to 30: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 30
Margins by which the 23 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 26.2. Ties are not counted.
Histogram of margins by which records were beaten on 4 May 1918
MarginRecords
0 to 519
5 to 100
10 to 152
15 to 200
20 to 251
25 to 301

Top 20 by Significance

4 May 1918
Top 20 records on 4 May 1918 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
4 May 1918Gospic, HRdaily rain48.2 mm (1.9 in)26.2 mm (1.0 in)23 years31 of 100 (Routine)
4 May 1918Houston Wb City, USdaily rain39.9 mm (1.6 in)20.1 mm (0.8 in)33 years21 of 100 (Routine)
4 May 1918Britstown (Pol), ZAdaily rain11.4 mm (0.4 in)10.1 mm (0.4 in)25 years20 of 100 (Routine)
4 May 1918Pointe Au Pere, CAdaily snowfall1.0 cm (0.4 in)1.0 cm (0.4 in)43 years19 of 100 (Routine)
4 May 1918St. Petersburg, RUmonthly low max-0.5 C (31.1 F)0.9 C (1.6 F)16 years19 of 100 (Routine)
4 May 1918Clanwilliam (Pol), ZAdaily rain11.7 mm (0.5 in)2.8 mm (0.11 in)30 years18 of 100 (Routine)
4 May 1918Santa Fe, USdaily rain25.4 mm (1.0 in)3.0 mm (0.12 in)20 years18 of 100 (Routine)
4 May 1918Adelaide West Terrace, AUdaily high min19.2 C (66.6 F)3.3 C (5.9 F)12 years17 of 100 (Routine)
4 May 1918San Diego Wbo, USdaily high min15.6 C (60.1 F)0.6 C (1.1 F)32 years16 of 100 (Routine)
4 May 1918Arhangelsk, RUdaily low min-13.0 C (8.6 F)2.0 C (3.6 F)26 years15 of 100 (Routine)
4 May 1918Dubuque River, USdaily high max31.7 C (89.1 F)3.4 C (6.1 F)22 years15 of 100 (Routine)
4 May 1918Bathurst Gaol, AUdaily high max23.9 C (75.0 F)0.1 C (0.2 F)28 years14 of 100 (Routine)
4 May 1918Robe Comparison, AUdaily high max22.2 C (72.0 F)0.5 C (0.9 F)26 years13 of 100 (Routine)
4 May 1918Swift Current, CAdaily high max28.9 C (84.0 F)2.8 C (5.0 F)20 years13 of 100 (Routine)
4 May 1918Yardley Chase, ZAdaily rain11.7 mm (0.5 in)1.5 mm (0.06 in)29 years13 of 100 (Routine)
4 May 1918Adelaide West Terrace, AUdaily high max29.7 C (85.5 F)2.0 C (3.6 F)12 years12 of 100 (Routine)
4 May 1918Prince Albert, CAdaily high max27.8 C (82.0 F)2.2 C (4.0 F)20 years12 of 100 (Routine)
4 May 1918Edmonton, CAdaily high min11.1 C (52.0 F)3.3 C (5.9 F)1 year11 of 100 (Routine)
4 May 1918Medicine Hat A, CAdaily high max30.0 C (86.0 F)1.7 C (3.1 F)20 years11 of 100 (Routine)
4 May 1918Calgary Int'l A, CAdaily high min7.8 C (46.0 F)0.6 C (1.1 F)22 years10 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

1795 to 1918
Records on 05-04 in each year Records set or tied on this calendar date in each year from 1795 to 1918. 1918 had 30 records. 05001,0001,5002,0001795: 11796: 11820: 11836: 21840: 11847: 11850: 21851: 21852: 11856: 31858: 11859: 11861: 21862: 11864: 31865: 21868: 31869: 11870: 21875: 11877: 21878: 11879: 11880: 11882: 11885: 11886: 11888: 11889: 41890: 11892: 41893: 31894: 61895: 31896: 31897: 21898: 21899: 21900: 21902: 51903: 81904: 81905: 191906: 51907: 371908: 181909: 131910: 141911: 371912: 121913: 631914: 211915: 751916: 571917: 601918: 301919: 691920: 431921: 621922: 2831923: 821924: 881925: 801926: 2301927: 1121928: 2051929: 1771930: 2691931: 1691932: 1041933: 2741934: 4561935: 5181936: 3131937: 2301938: 4451939: 2951940: 6021941: 4361942: 8201943: 3581944: 8721945: 6541946: 4631947: 6491948: 5781949: 1,1301950: 9531951: 2921952: 6981953: 3891954: 1,0451955: 4711956: 4331957: 4331958: 4141959: 6131960: 4431961: 4661962: 2651963: 3131964: 5701965: 4331966: 1,1131967: 9281968: 3041969: 3771970: 4541971: 8101972: 3641973: 3131974: 3671975: 6831976: 5541977: 7361978: 1,0161979: 1,5291980: 5111981: 6671982: 5911983: 5391984: 8851985: 8211986: 1,1281987: 1,0041988: 5911989: 7431990: 1,4611991: 1,0881992: 9331993: 7911994: 8211995: 9741996: 1,2981997: 9621998: 8981999: 1,1672000: 1,3982001: 1,3452002: 1,3432003: 1,1582004: 1,3412005: 1,1522006: 6502007: 6992008: 6242009: 7272010: 9992011: 1,0232012: 1,3432013: 1,4472014: 6022015: 6222016: 4632017: 6692018: 9722019: 5742020: 5042021: 6162022: 4702023: 6812024: 8852025: 4562026: 5541795186918961914193119481965198219992016
Records set or tied on this calendar date in each year from 1795 to 1918. 1918 had 30 records.
Counts for years before the ledger starts come from the same station rules.
Records on 05-04 in each year
YearRecords
17951
17961
18201
18362
18401
18471
18502
18512
18521
18563
18581
18591
18612
18621
18643
18652
18683
18691
18702
18751
18772
18781
18791
18801
18821
18851
18861
18881
18894
18901
18924
18933
18946
18953
18963
18972
18982
18992
19002
19025
19038
19048
190519
19065
190737
190818
190913
191014
191137
191212
191363
191421
191575
191657
191760
191830
191969
192043
192162
1922283
192382
192488
192580
1926230
1927112
1928205
1929177
1930269
1931169
1932104
1933274
1934456
1935518
1936313
1937230
1938445
1939295
1940602
1941436
1942820
1943358
1944872
1945654
1946463
1947649
1948578
19491,130
1950953
1951292
1952698
1953389
19541,045
1955471
1956433
1957433
1958414
1959613
1960443
1961466
1962265
1963313
1964570
1965433
19661,113
1967928
1968304
1969377
1970454
1971810
1972364
1973313
1974367
1975683
1976554
1977736
19781,016
19791,529
1980511
1981667
1982591
1983539
1984885
1985821
19861,128
19871,004
1988591
1989743
19901,461
19911,088
1992933
1993791
1994821
1995974
19961,298
1997962
1998898
19991,167
20001,398
20011,345
20021,343
20031,158
20041,341
20051,152
2006650
2007699
2008624
2009727
2010999
20111,023
20121,343
20131,447
2014602
2015622
2016463
2017669
2018972
2019574
2020504
2021616
2022470
2023681
2024885
2025456
2026554

Download the Data

  • Data for records on 1918-05-04: 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).