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Built 2026-10-19 (19 October 2026)

Weather Records on 1 May 1918

34 weather records were set or tied worldwide on 1 May 1918. Highest significance: Setauket Strong, US.

Key Facts for 1 May 1918

  • On 1 May 1918, 34 weather records were set or tied at long-record stations worldwide.
  • 4 were record highs and 9 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 3 monthly and 31 daily.
  • Setauket Strong set a daily record precipitation of 36.3 mm (1.4 in) on 1 May 1918.
  • Across 165 earlier years (1795 to 2026) the same calendar date averaged 445 records.

Record Map

34 stations
Weather records on 1 May 1918 34 station records on 1 May 1918 are marked on the map, coloured by record type.
34 station records on 1 May 1918 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 1 May 1918: highest significance records shown on the map
StationCountryTypeValueSignificance
Setauket StrongUnited StatesRecord daily precipitation36.3 mm (1.4 in)28 of 100 (Routine)
StockholmSwedenRecord low minimum temperature-4.5 C (23.9 F)23 of 100 (Routine)
Moorestown 4 EUnited StatesRecord daily precipitation24.4 mm (1.0 in)20 of 100 (Routine)
Somerville 4 NWUnited StatesRecord daily precipitation21.1 mm (0.8 in)20 of 100 (Routine)
KirovRussiaRecord daily precipitation17.5 mm (0.7 in)19 of 100 (Routine)
Vasteras-HassloSwedenRecord low minimum temperature-6.0 C (21.2 F)19 of 100 (Routine)
PortlandUnited StatesRecord daily precipitation20.1 mm (0.8 in)18 of 100 (Routine)
Blue Hill CoopUnited StatesRecord daily precipitation32.0 mm (1.3 in)18 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord high maximum temperature33.3 C (91.9 F)16 of 100 (Routine)
Cap ChatCanadaRecord daily precipitation15.2 mm (0.6 in)15 of 100 (Routine)
Point EscuminacCanadaRecord daily precipitation19.3 mm (0.8 in)15 of 100 (Routine)
St John'sCanadaRecord high maximum temperature21.1 C (70.0 F)15 of 100 (Routine)
PiteaSwedenRecord high minimum temperature2.5 C (36.5 F)15 of 100 (Routine)
VinelandUnited StatesRecord daily precipitation27.7 mm (1.1 in)15 of 100 (Routine)
DurhamUnited KingdomRecord low maximum temperature6.7 C (44.1 F)14 of 100 (Routine)
Hingham (1)United StatesRecord daily precipitation31.8 mm (1.3 in)14 of 100 (Routine)
Middletown 4 WUnited StatesRecord daily precipitation31.8 mm (1.3 in)12 of 100 (Routine)
Cumbalum (Fairview)AustraliaRecord daily precipitation46.2 mm (1.8 in)10 of 100 (Routine)
NewlandsSouth AfricaRecord daily precipitation2.0 mm (0.08 in)10 of 100 (Routine)
Enoggera ReservoirAustraliaRecord daily precipitation10.7 mm (0.4 in)9 of 100 (Routine)
StonehengeAustraliaRecord daily precipitation3.3 mm (0.13 in)9 of 100 (Routine)
YarmouthCanadaRecord daily precipitation22.6 mm (0.9 in)9 of 100 (Routine)
Aleksandrovsk-SahalinskijRussiaRecord high minimum temperature3.2 C (37.8 F)9 of 100 (Routine)
CornwallUnited StatesRecord daily precipitation14.0 mm (0.6 in)9 of 100 (Routine)
Kirchdorf/PoelGermanyRecord low maximum temperature7.4 C (45.3 F)8 of 100 (Routine)
HanoverUnited StatesRecord daily precipitation14.2 mm (0.6 in)8 of 100 (Routine)
LeominsterUnited StatesRecord daily precipitation23.1 mm (0.9 in)6 of 100 (Routine)
Linkoeping-MalmslaettSwedenRecord low minimum temperature-3.5 C (25.7 F)4 of 100 (Routine)
Cap ChatCanadaRecord daily snowfall15.2 cm (6.0 in)3 of 100 (Routine)
Dublin Phoenix ParkIrelandRecord low maximum temperature8.9 C (48.0 F)2 of 100 (Routine)
OrebroSwedenRecord low minimum temperature-5.5 C (22.1 F)2 of 100 (Routine)
GavleSwedenRecord low minimum temperature-6.0 C (21.2 F)2 of 100 (Routine)
MagdeburgGermanyRecord low maximum temperature8.2 C (46.8 F)1 of 100 (Routine)
Calitzdorp PolSouth AfricaRecord daily precipitation4.6 mm (0.18 in)1 of 100 (Routine)

Counts by Type and Timescale

34 records
Records on 1 May 1918 by type Records set or tied on 1 May 1918 by type: Highest daily maximum 2, Lowest daily maximum 4, Highest daily minimum 2, Lowest daily minimum 5, Heaviest daily rainfall 20, Heaviest daily snowfall 1. 05101520Highest daily maximum: 2Lowest daily maximum: 4Highest daily minimum: 2Lowest daily minimum: 5Heaviest daily rainfall: 20Heaviest daily snowfall: 1Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 1 May 1918 by type: Highest daily maximum 2, Lowest daily maximum 4, Highest daily minimum 2, Lowest daily minimum 5, Heaviest daily rainfall 20, Heaviest daily snowfall 1.
Records on 1 May 1918 by type
Record typeRecords
Highest daily maximum2
Lowest daily maximum4
Highest daily minimum2
Lowest daily minimum5
Heaviest daily rainfall20
Heaviest daily snowfall1
Deepest snow cover0
Records on 1 May 1918 by timescale Records on 1 May 1918 by timescale: all-time 0, monthly 3, daily 31. 010203040all-time: 0monthly: 3daily: 31all-timemonthlydaily
Records on 1 May 1918 by timescale: all-time 0, monthly 3, daily 31.
Records on 1 May 1918 by timescale
TimescaleRecords
all-time0
monthly3
daily31

How Much Records Were Beaten By

28 broken records
Histogram of margins by which records were beaten on 1 May 1918 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 27.9. Ties are not counted. 051015200 to 5: 175 to 10: 310 to 15: 615 to 20: 120 to 25: 025 to 30: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 30
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 27.9. Ties are not counted.
Histogram of margins by which records were beaten on 1 May 1918
MarginRecords
0 to 517
5 to 103
10 to 156
15 to 201
20 to 250
25 to 301

Top 20 by Significance

1 May 1918
Top 20 records on 1 May 1918 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
1 May 1918Setauket Strong, USdaily rain36.3 mm (1.4 in)27.9 mm (1.1 in)0 years28 of 100 (Routine)
1 May 1918Stockholm, SEmonthly low min-4.5 C (23.9 F)0.5 C (0.9 F)32 years23 of 100 (Routine)
1 May 1918Moorestown 4 E, USdaily rain24.4 mm (1.0 in)13.7 mm (0.5 in)27 years20 of 100 (Routine)
1 May 1918Somerville 4 NW, USdaily rain21.1 mm (0.8 in)10.7 mm (0.4 in)32 years20 of 100 (Routine)
1 May 1918Kirov, RUdaily rain17.5 mm (0.7 in)5.7 mm (0.22 in)11 years19 of 100 (Routine)
1 May 1918Vasteras-Hasslo, SEmonthly low min-6.0 C (21.2 F)0.5 C (0.9 F)18 years19 of 100 (Routine)
1 May 1918Portland, USdaily rain20.1 mm (0.8 in)3.1 mm (0.12 in)40 years18 of 100 (Routine)
1 May 1918Blue Hill Coop, USdaily rain32.0 mm (1.3 in)12.2 mm (0.5 in)9 years18 of 100 (Routine)
1 May 1918Sacramento 5 ESE, USdaily high max33.3 C (91.9 F)2.2 C (4.0 F)26 years16 of 100 (Routine)
1 May 1918Cap Chat, CAdaily rain15.2 mm (0.6 in)7.1 mm (0.28 in)17 years15 of 100 (Routine)
1 May 1918Point Escuminac, CAdaily rain19.3 mm (0.8 in)11.2 mm (0.4 in)8 years15 of 100 (Routine)
1 May 1918St John's, CAdaily high max21.1 C (70.0 F)4.4 C (7.9 F)11 years15 of 100 (Routine)
1 May 1918Pitea, SEdaily high min2.5 C (36.5 F)1.5 C (2.7 F)27 years15 of 100 (Routine)
1 May 1918Vineland, USdaily rain27.7 mm (1.1 in)15.5 mm (0.6 in)0 years15 of 100 (Routine)
1 May 1918Durham, GBdaily low max6.7 C (44.1 F)0.4 C (0.7 F)34 years14 of 100 (Routine)
1 May 1918Hingham (1), USdaily rain31.8 mm (1.3 in)14.0 mm (0.6 in)9 years14 of 100 (Routine)
1 May 1918Middletown 4 W, USdaily rain31.8 mm (1.3 in)6.1 mm (0.24 in)9 years12 of 100 (Routine)
1 May 1918Cumbalum (Fairview), AUdaily rain46.2 mm (1.8 in)13.9 mm (0.5 in)3 years10 of 100 (Routine)
1 May 1918Newlands, ZAdaily rain2.0 mm (0.08 in)0.2 mm (0.01 in)23 years10 of 100 (Routine)
1 May 1918Enoggera Reservoir, AUdaily rain10.7 mm (0.4 in)0.8 mm (0.03 in)16 years9 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 05-01 in each year Records set or tied on this calendar date in each year from 1795 to 1918. 1918 had 34 records. 05001,0001,5002,0001795: 11802: 11804: 11814: 11818: 11835: 11836: 11840: 11846: 21847: 11850: 11851: 11857: 11860: 11861: 11864: 21865: 11868: 21872: 11875: 41878: 21879: 21880: 31881: 21884: 11885: 11886: 21887: 21888: 21889: 31890: 21891: 51892: 61893: 21894: 51896: 11897: 41898: 11899: 81900: 11901: 51902: 71903: 91904: 91905: 131906: 121907: 311908: 201909: 491910: 131911: 221912: 181913: 541914: 231915: 271916: 271917: 371918: 341919: 1501920: 1861921: 411922: 921923: 641924: 631925: 1181926: 5001927: 1251928: 1901929: 1421930: 2631931: 5371932: 2201933: 7061934: 3051935: 2761936: 3681937: 2181938: 3041939: 2271940: 7311941: 3331942: 1,0361943: 5261944: 2291945: 3501946: 4151947: 6551948: 7741949: 4051950: 4391951: 8941952: 5571953: 9171954: 1,5061955: 7721956: 1,1061957: 3591958: 4481959: 7641960: 7371961: 5881962: 6151963: 7041964: 3121965: 3601966: 7071967: 9481968: 4261969: 4291970: 1,0751971: 4441972: 5621973: 8411974: 5891975: 2861976: 6731977: 5451978: 1,2021979: 6121980: 5071981: 1,2651982: 5081983: 1,4231984: 6401985: 7891986: 5121987: 1,0981988: 1,0581989: 9491990: 9221991: 6331992: 1,2011993: 1,1011994: 1,2101995: 1,3651996: 1,4391997: 8041998: 9511999: 9322000: 8092001: 1,1062002: 1,2212003: 9642004: 8872005: 1,3202006: 7342007: 8572008: 9792009: 6792010: 1,1512011: 7162012: 7962013: 9762014: 9412015: 5502016: 8442017: 1,1632018: 5192019: 7882020: 1,0992021: 8342022: 3192023: 9122024: 4582025: 4302026: 6231795186818941912192919461963198019972014
Records set or tied on this calendar date in each year from 1795 to 1918. 1918 had 34 records.
Counts for years before the ledger starts come from the same station rules.
Records on 05-01 in each year
YearRecords
17951
18021
18041
18141
18181
18351
18361
18401
18462
18471
18501
18511
18571
18601
18611
18642
18651
18682
18721
18754
18782
18792
18803
18812
18841
18851
18862
18872
18882
18893
18902
18915
18926
18932
18945
18961
18974
18981
18998
19001
19015
19027
19039
19049
190513
190612
190731
190820
190949
191013
191122
191218
191354
191423
191527
191627
191737
191834
1919150
1920186
192141
192292
192364
192463
1925118
1926500
1927125
1928190
1929142
1930263
1931537
1932220
1933706
1934305
1935276
1936368
1937218
1938304
1939227
1940731
1941333
19421,036
1943526
1944229
1945350
1946415
1947655
1948774
1949405
1950439
1951894
1952557
1953917
19541,506
1955772
19561,106
1957359
1958448
1959764
1960737
1961588
1962615
1963704
1964312
1965360
1966707
1967948
1968426
1969429
19701,075
1971444
1972562
1973841
1974589
1975286
1976673
1977545
19781,202
1979612
1980507
19811,265
1982508
19831,423
1984640
1985789
1986512
19871,098
19881,058
1989949
1990922
1991633
19921,201
19931,101
19941,210
19951,365
19961,439
1997804
1998951
1999932
2000809
20011,106
20021,221
2003964
2004887
20051,320
2006734
2007857
2008979
2009679
20101,151
2011716
2012796
2013976
2014941
2015550
2016844
20171,163
2018519
2019788
20201,099
2021834
2022319
2023912
2024458
2025430
2026623

Download the Data

  • Data for records on 1918-05-01: 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).