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Weather Records on 31 May 1911

20 weather records were set or tied worldwide on 31 May 1911. Highest significance: Baltimore Customs House, US.

Key Facts for 31 May 1911

  • On 31 May 1911, 20 weather records were set or tied at long-record stations worldwide.
  • 6 were record highs and 3 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 4 monthly and 16 daily.
  • Baltimore Customs House set a daily record precipitation of 52.1 mm (2.1 in) on 31 May 1911.
  • Across 161 earlier years (1811 to 2026) the same calendar date averaged 440 records.

Record Map

20 stations
Weather records on 31 May 1911 20 station records on 31 May 1911 are marked on the map, coloured by record type.
20 station records on 31 May 1911 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 31 May 1911: highest significance records shown on the map
StationCountryTypeValueSignificance
Baltimore Customs HouseUnited StatesRecord daily precipitation52.1 mm (2.1 in)43 of 100 (Notable)
Warragul (Carbethon)AustraliaRecord daily precipitation58.9 mm (2.3 in)35 of 100 (Notable)
Newark Liberty Intl APUnited StatesRecord daily precipitation65.5 mm (2.6 in)34 of 100 (Routine)
MilanItalyRecord daily precipitation64.3 mm (2.5 in)29 of 100 (Routine)
RiversdaleSouth AfricaRecord daily precipitation17.8 mm (0.7 in)20 of 100 (Routine)
Reading Wb CityUnited StatesRecord daily precipitation43.4 mm (1.7 in)18 of 100 (Routine)
Cet Central EnglandUnited KingdomRecord high maximum temperature25.7 C (78.3 F)14 of 100 (Routine)
Toledo BladeUnited StatesRecord daily precipitation17.3 mm (0.7 in)12 of 100 (Routine)
Walgett Council DepotAustraliaRecord low minimum temperature-2.2 C (28.0 F)11 of 100 (Routine)
Hastings Post OfficeAustraliaRecord daily precipitation19.1 mm (0.8 in)11 of 100 (Routine)
Ilulissat (Jakobshavn)Greenland [Denmark]Record high minimum temperature3.1 C (37.6 F)11 of 100 (Routine)
WarburtonAustraliaRecord daily precipitation25.9 mm (1.0 in)9 of 100 (Routine)
Philadelphia CityUnited StatesRecord daily precipitation20.3 mm (0.8 in)8 of 100 (Routine)
MorningtonAustraliaRecord daily precipitation9.7 mm (0.38 in)7 of 100 (Routine)
Montgomery Wb CityUnited StatesRecord high maximum temperature36.7 C (98.1 F)6 of 100 (Routine)
Deniliquin (Wilkinson St)AustraliaRecord low maximum temperature12.8 C (55.0 F)5 of 100 (Routine)
GalwayIrelandRecord high maximum temperature26.7 C (80.1 F)4 of 100 (Routine)
Stornoway AirportUnited KingdomRecord high minimum temperature10.6 C (51.1 F)2 of 100 (Routine)
Huron Rgnl APUnited StatesRecord high maximum temperature27.8 C (82.0 F)2 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord low minimum temperature9.4 C (48.9 F)1 of 100 (Routine)

Counts by Type and Timescale

20 records
Records on 31 May 1911 by type Records set or tied on 31 May 1911 by type: Highest daily maximum 4, Lowest daily maximum 1, Highest daily minimum 2, Lowest daily minimum 2, Heaviest daily rainfall 11. 051015Highest daily maximum: 4Lowest daily maximum: 1Highest daily minimum: 2Lowest daily minimum: 2Heaviest daily rainfall: 11Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 31 May 1911 by type: Highest daily maximum 4, Lowest daily maximum 1, Highest daily minimum 2, Lowest daily minimum 2, Heaviest daily rainfall 11.
Records on 31 May 1911 by type
Record typeRecords
Highest daily maximum4
Lowest daily maximum1
Highest daily minimum2
Lowest daily minimum2
Heaviest daily rainfall11
Heaviest daily snowfall0
Deepest snow cover0
Records on 31 May 1911 by timescale Records on 31 May 1911 by timescale: all-time 0, monthly 4, daily 16. 05101520all-time: 0monthly: 4daily: 16all-timemonthlydaily
Records on 31 May 1911 by timescale: all-time 0, monthly 4, daily 16.
Records on 31 May 1911 by timescale
TimescaleRecords
all-time0
monthly4
daily16

How Much Records Were Beaten By

14 broken records
Histogram of margins by which records were beaten on 31 May 1911 Margins by which the 14 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 36.1. Ties are not counted. 0358100 to 5: 95 to 10: 110 to 15: 015 to 20: 220 to 25: 125 to 30: 030 to 35: 035 to 40: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 3030 to 3535 to 40
Margins by which the 14 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 36.1. Ties are not counted.
Histogram of margins by which records were beaten on 31 May 1911
MarginRecords
0 to 59
5 to 101
10 to 150
15 to 202
20 to 251
25 to 300
30 to 350
35 to 401

Top 20 by Significance

31 May 1911
Top 20 records on 31 May 1911 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
31 May 1911Baltimore Customs House, USdaily rain52.1 mm (2.1 in)36.1 mm (1.4 in)9 years43 of 100 (Notable)
31 May 1911Warragul (Carbethon), AUmonthly rain58.9 mm (2.3 in)15.5 mm (0.6 in)0 years35 of 100 (Notable)
31 May 1911Newark Liberty Intl AP, USdaily rain65.5 mm (2.6 in)24.6 mm (1.0 in)32 years34 of 100 (Routine)
31 May 1911Milan, ITmonthly rain64.3 mm (2.5 in)1.5 mm (0.06 in)46 years29 of 100 (Routine)
31 May 1911Riversdale, ZAdaily rain17.8 mm (0.7 in)8.9 mm (0.35 in)17 years20 of 100 (Routine)
31 May 1911Reading Wb City, USdaily rain43.4 mm (1.7 in)15.2 mm (0.6 in)6 years18 of 100 (Routine)
31 May 1911Cet Central England, GBdaily high max25.7 C (78.3 F)1.2 C (2.2 F)29 years14 of 100 (Routine)
31 May 1911Toledo Blade, USdaily rain17.3 mm (0.7 in)2.8 mm (0.11 in)18 years12 of 100 (Routine)
31 May 1911Walgett Council Depot, AUdaily low min-2.2 C (28.0 F)1.6 C (2.9 F)13 years11 of 100 (Routine)
31 May 1911Hastings Post Office, AUdaily rain19.1 mm (0.8 in)4.1 mm (0.16 in)6 years11 of 100 (Routine)
31 May 1911Ilulissat (Jakobshavn), GLdaily high min3.1 C (37.6 F)0.6 C (1.1 F)24 years11 of 100 (Routine)
31 May 1911Warburton, AUdaily rain25.9 mm (1.0 in)3.8 mm (0.15 in)6 years9 of 100 (Routine)
31 May 1911Philadelphia City, USdaily rain20.3 mm (0.8 in)2.5 mm (0.10 in)6 years8 of 100 (Routine)
31 May 1911Mornington, AUdaily rain9.7 mm (0.38 in)1.1 mm (0.04 in)6 years7 of 100 (Routine)
31 May 1911Montgomery Wb City, USmonthly high max (Tie)36.7 C (98.1 F)tie35 years6 of 100 (Routine)
31 May 1911Deniliquin (Wilkinson St), AUdaily low max (Tie)12.8 C (55.0 F)tie51 years5 of 100 (Routine)
31 May 1911Galway, IEmonthly high max (Tie)26.7 C (80.1 F)tie16 years4 of 100 (Routine)
31 May 1911Stornoway Airport, GBdaily high min (Tie)10.6 C (51.1 F)tie29 years2 of 100 (Routine)
31 May 1911Huron Rgnl AP, USdaily high max (Tie)27.8 C (82.0 F)tie20 years2 of 100 (Routine)
31 May 1911Sacramento 5 ESE, USdaily low min (Tie)9.4 C (48.9 F)tie12 years1 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

1811 to 1911
Records on 05-31 in each year Records set or tied on this calendar date in each year from 1811 to 1911. 1911 had 20 records. 01,0002,0003,0001811: 11818: 31827: 11836: 21845: 11847: 11853: 21855: 21858: 11864: 21865: 11866: 11867: 11868: 41869: 11871: 21873: 31874: 11877: 11878: 21879: 21880: 31882: 11883: 11885: 11888: 11889: 21890: 11892: 11893: 41894: 21895: 81897: 51898: 71899: 11900: 21901: 91902: 91903: 171904: 191905: 71906: 111907: 201908: 121909: 81910: 261911: 201912: 151913: 831914: 201915: 231916: 231917: 131918: 201919: 441920: 461921: 1571922: 491923: 981924: 1521925: 2261926: 2281927: 1211928: 671929: 2461930: 6121931: 2231932: 1811933: 3971934: 7821935: 1561936: 5591937: 4621938: 4241939: 4611940: 3831941: 4101942: 3641943: 5521944: 3721945: 4571946: 3801947: 4391948: 2951949: 3031950: 4671951: 6401952: 3741953: 6541954: 4451955: 5341956: 6321957: 3041958: 4291959: 4591960: 2471961: 4721962: 5651963: 3541964: 1,2371965: 4941966: 6011967: 9871968: 2761969: 5551970: 5731971: 7141972: 1,1271973: 4181974: 4731975: 7971976: 4351977: 6051978: 8731979: 9151980: 5171981: 7751982: 8171983: 1,4941984: 2,0471985: 7901986: 1,3651987: 8221988: 1,2551989: 9121990: 9001991: 1,3811992: 1,0311993: 9821994: 7761995: 6931996: 9461997: 1,1631998: 1,2151999: 7902000: 1,1722001: 1,0472002: 1,1622003: 8312004: 1,0712005: 7242006: 1,0452007: 7932008: 8092009: 5702010: 7412011: 1,4982012: 7642013: 1,1002014: 5652015: 7042016: 4022017: 4402018: 1,2112019: 4202020: 6732021: 8342022: 9022023: 4542024: 8092025: 1,2042026: 5361811187418991916193319501967198420012018
Records set or tied on this calendar date in each year from 1811 to 1911. 1911 had 20 records.
Counts for years before the ledger starts come from the same station rules.
Records on 05-31 in each year
YearRecords
18111
18183
18271
18362
18451
18471
18532
18552
18581
18642
18651
18661
18671
18684
18691
18712
18733
18741
18771
18782
18792
18803
18821
18831
18851
18881
18892
18901
18921
18934
18942
18958
18975
18987
18991
19002
19019
19029
190317
190419
19057
190611
190720
190812
19098
191026
191120
191215
191383
191420
191523
191623
191713
191820
191944
192046
1921157
192249
192398
1924152
1925226
1926228
1927121
192867
1929246
1930612
1931223
1932181
1933397
1934782
1935156
1936559
1937462
1938424
1939461
1940383
1941410
1942364
1943552
1944372
1945457
1946380
1947439
1948295
1949303
1950467
1951640
1952374
1953654
1954445
1955534
1956632
1957304
1958429
1959459
1960247
1961472
1962565
1963354
19641,237
1965494
1966601
1967987
1968276
1969555
1970573
1971714
19721,127
1973418
1974473
1975797
1976435
1977605
1978873
1979915
1980517
1981775
1982817
19831,494
19842,047
1985790
19861,365
1987822
19881,255
1989912
1990900
19911,381
19921,031
1993982
1994776
1995693
1996946
19971,163
19981,215
1999790
20001,172
20011,047
20021,162
2003831
20041,071
2005724
20061,045
2007793
2008809
2009570
2010741
20111,498
2012764
20131,100
2014565
2015704
2016402
2017440
20181,211
2019420
2020673
2021834
2022902
2023454
2024809
20251,204
2026536

Download the Data

  • Data for records on 1911-05-31: 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).