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Weather Records on 1 May 1911

22 weather records were set or tied worldwide on 1 May 1911. Highest significance: Southampton, CA.

Key Facts for 1 May 1911

  • On 1 May 1911, 22 weather records were set or tied at long-record stations worldwide.
  • 7 were record highs and 2 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 21 daily.
  • Southampton set a daily record precipitation of 35.6 mm (1.4 in) on 1 May 1911.
  • Across 165 earlier years (1795 to 2026) the same calendar date averaged 445 records.

Record Map

22 stations
Weather records on 1 May 1911 22 station records on 1 May 1911 are marked on the map, coloured by record type.
22 station records on 1 May 1911 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 1 May 1911: highest significance records shown on the map
StationCountryTypeValueSignificance
SouthamptonCanadaRecord daily precipitation35.6 mm (1.4 in)37 of 100 (Notable)
StratfordCanadaRecord daily precipitation36.6 mm (1.4 in)23 of 100 (Routine)
St. PetersburgRussiaRecord daily precipitation15.4 mm (0.6 in)20 of 100 (Routine)
TallinnEstoniaRecord daily precipitation10.1 mm (0.4 in)20 of 100 (Routine)
La Crosse Wb CityUnited StatesRecord daily precipitation29.7 mm (1.2 in)19 of 100 (Routine)
Pointe Au PereCanadaRecord daily precipitation14.2 mm (0.6 in)14 of 100 (Routine)
StonecliffeCanadaRecord daily precipitation20.3 mm (0.8 in)13 of 100 (Routine)
StonecliffeCanadaRecord daily snowfall3.0 cm (1.2 in)13 of 100 (Routine)
Montreal McGillCanadaRecord high minimum temperature15.6 C (60.1 F)13 of 100 (Routine)
VasileviciBelarusRecord daily precipitation10.7 mm (0.4 in)12 of 100 (Routine)
Parry SoundCanadaRecord daily precipitation18.5 mm (0.7 in)12 of 100 (Routine)
Kingston Queens UCanadaRecord daily precipitation22.1 mm (0.9 in)9 of 100 (Routine)
KievUkraineRecord high minimum temperature12.3 C (54.1 F)9 of 100 (Routine)
LakefieldCanadaRecord high minimum temperature14.4 C (57.9 F)8 of 100 (Routine)
ZametchinoRussiaRecord daily precipitation5.8 mm (0.23 in)8 of 100 (Routine)
KievUkraineRecord high maximum temperature25.7 C (78.3 F)8 of 100 (Routine)
ChathamCanadaRecord high maximum temperature18.3 C (64.9 F)6 of 100 (Routine)
Milwaukee Wb CityUnited StatesRecord low maximum temperature2.2 C (36.0 F)6 of 100 (Routine)
Montreal McGillCanadaRecord daily precipitation32.3 mm (1.3 in)5 of 100 (Routine)
ChathamCanadaRecord high minimum temperature7.8 C (46.0 F)3 of 100 (Routine)
WashingtonUnited StatesRecord high minimum temperature16.7 C (62.1 F)2 of 100 (Routine)
Stony MountainCanadaRecord low minimum temperature-7.8 C (18.0 F)0 of 100 (Routine)

Counts by Type and Timescale

22 records
Records on 1 May 1911 by type Records set or tied on 1 May 1911 by type: Highest daily maximum 2, Lowest daily maximum 1, Highest daily minimum 5, Lowest daily minimum 1, Heaviest daily rainfall 12, Heaviest daily snowfall 1. 051015Highest daily maximum: 2Lowest daily maximum: 1Highest daily minimum: 5Lowest daily minimum: 1Heaviest daily rainfall: 12Heaviest daily snowfall: 1Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 1 May 1911 by type: Highest daily maximum 2, Lowest daily maximum 1, Highest daily minimum 5, Lowest daily minimum 1, Heaviest daily rainfall 12, Heaviest daily snowfall 1.
Records on 1 May 1911 by type
Record typeRecords
Highest daily maximum2
Lowest daily maximum1
Highest daily minimum5
Lowest daily minimum1
Heaviest daily rainfall12
Heaviest daily snowfall1
Deepest snow cover0
Records on 1 May 1911 by timescale Records on 1 May 1911 by timescale: all-time 0, monthly 1, daily 21. 0102030all-time: 0monthly: 1daily: 21all-timemonthlydaily
Records on 1 May 1911 by timescale: all-time 0, monthly 1, daily 21.
Records on 1 May 1911 by timescale
TimescaleRecords
all-time0
monthly1
daily21

How Much Records Were Beaten By

18 broken records
Histogram of margins by which records were beaten on 1 May 1911 Margins by which the 18 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.0. Ties are not counted. 0510150 to 3: 113 to 5: 15 to 8: 18 to 10: 110 to 13: 013 to 15: 115 to 18: 218 to 20: 10 to 33 to 55 to 88 to 1010 to 1313 to 1515 to 1818 to 20
Margins by which the 18 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 20.0. Ties are not counted.
Histogram of margins by which records were beaten on 1 May 1911
MarginRecords
0 to 311
3 to 51
5 to 81
8 to 101
10 to 130
13 to 151
15 to 182
18 to 201

Top 20 by Significance

1 May 1911
Top 20 records on 1 May 1911 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
1 May 1911Southampton, CAdaily rain35.6 mm (1.4 in)16.5 mm (0.6 in)26 years37 of 100 (Notable)
1 May 1911Stratford, CAdaily rain36.6 mm (1.4 in)15.3 mm (0.6 in)0 years23 of 100 (Routine)
1 May 1911St. Petersburg, RUdaily rain15.4 mm (0.6 in)9.0 mm (0.35 in)8 years20 of 100 (Routine)
1 May 1911Tallinn, EEdaily rain10.1 mm (0.4 in)2.8 mm (0.11 in)36 years20 of 100 (Routine)
1 May 1911La Crosse Wb City, USdaily rain29.7 mm (1.2 in)13.7 mm (0.5 in)5 years19 of 100 (Routine)
1 May 1911Pointe Au Pere, CAdaily rain14.2 mm (0.6 in)6.6 mm (0.26 in)4 years14 of 100 (Routine)
1 May 1911Stonecliffe, CAdaily rain20.3 mm (0.8 in)2.0 mm (0.08 in)26 years13 of 100 (Routine)
1 May 1911Stonecliffe, CAdaily snowfall3.0 cm (1.2 in)2.0 cm (0.8 in)21 years13 of 100 (Routine)
1 May 1911Montreal McGill, CAdaily high min15.6 C (60.1 F)1.7 C (3.1 F)16 years13 of 100 (Routine)
1 May 1911Vasilevici, BYdaily rain10.7 mm (0.4 in)1.0 mm (0.04 in)27 years12 of 100 (Routine)
1 May 1911Parry Sound, CAdaily rain18.5 mm (0.7 in)1.2 mm (0.05 in)26 years12 of 100 (Routine)
1 May 1911Kingston Queens U, CAdaily rain22.1 mm (0.9 in)0.3 mm (0.01 in)17 years9 of 100 (Routine)
1 May 1911Kiev, UAdaily high min12.3 C (54.1 F)0.8 C (1.4 F)13 years9 of 100 (Routine)
1 May 1911Lakefield, CAdaily high min14.4 C (57.9 F)1.1 C (2.0 F)11 years8 of 100 (Routine)
1 May 1911Zametchino, RUdaily rain5.8 mm (0.23 in)0.4 mm (0.02 in)19 years8 of 100 (Routine)
1 May 1911Kiev, UAdaily high max25.7 C (78.3 F)0.7 C (1.3 F)13 years8 of 100 (Routine)
1 May 1911Chatham, CAdaily high max18.3 C (64.9 F)0.5 C (0.9 F)11 years6 of 100 (Routine)
1 May 1911Milwaukee Wb City, USmonthly low max (Tie)2.2 C (36.0 F)tie35 years6 of 100 (Routine)
1 May 1911Montreal McGill, CAdaily rain32.3 mm (1.3 in)1.3 mm (0.05 in)1 year5 of 100 (Routine)
1 May 1911Chatham, CAdaily high min (Tie)7.8 C (46.0 F)tie31 years3 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 1911
Records on 05-01 in each year Records set or tied on this calendar date in each year from 1795 to 1911. 1911 had 22 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 1911. 1911 had 22 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 1911-05-01: 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).