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Built 2026-10-19 (19 October 2026)

Weather Records on 31 May 1915

23 weather records were set or tied worldwide on 31 May 1915. Highest significance: Uccle, BE.

Key Facts for 31 May 1915

  • On 31 May 1915, 23 weather records were set or tied at long-record stations worldwide.
  • 5 were record highs and 14 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 23 daily.
  • Uccle set a daily record low minimum temperature of 1.2 C (34.2 F) on 31 May 1915.
  • Across 161 earlier years (1811 to 2026) the same calendar date averaged 440 records.

Record Map

23 stations
Weather records on 31 May 1915 23 station records on 31 May 1915 are marked on the map, coloured by record type.
23 station records on 31 May 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 31 May 1915: highest significance records shown on the map
StationCountryTypeValueSignificance
UccleBelgiumRecord low minimum temperature1.2 C (34.2 F)40 of 100 (Notable)
Atlantic City MarinaUnited StatesRecord low minimum temperature7.8 C (46.0 F)23 of 100 (Routine)
Olands Norra UddeSwedenRecord daily precipitation11.6 mm (0.5 in)20 of 100 (Routine)
Middletown 4 WUnited StatesRecord low minimum temperature1.7 C (35.1 F)18 of 100 (Routine)
KarlshamnSwedenRecord daily precipitation10.4 mm (0.4 in)17 of 100 (Routine)
TbilisiGeorgiaRecord daily precipitation23.5 mm (0.9 in)15 of 100 (Routine)
SvegSwedenRecord low minimum temperature-7.5 C (18.5 F)15 of 100 (Routine)
Cet Central EnglandUnited KingdomRecord low minimum temperature1.0 C (33.8 F)15 of 100 (Routine)
Cape May 2 NWUnited StatesRecord low minimum temperature7.8 C (46.0 F)15 of 100 (Routine)
HambantotaSri LankaRecord high minimum temperature26.3 C (79.3 F)14 of 100 (Routine)
VestervigDenmarkRecord low minimum temperature4.2 C (39.6 F)14 of 100 (Routine)
Wilmington Wb CityUnited StatesRecord low maximum temperature19.4 C (66.9 F)13 of 100 (Routine)
Houston Wb CityUnited StatesRecord low maximum temperature25.6 C (78.1 F)13 of 100 (Routine)
St AlbansCanadaRecord high maximum temperature32.8 C (91.0 F)11 of 100 (Routine)
EkaterinburgRussiaRecord high minimum temperature13.4 C (56.1 F)9 of 100 (Routine)
Stony MountainCanadaRecord high maximum temperature27.8 C (82.0 F)6 of 100 (Routine)
KristianstadSwedenRecord low maximum temperature11.0 C (51.8 F)6 of 100 (Routine)
VastervikSwedenRecord low maximum temperature10.5 C (50.9 F)6 of 100 (Routine)
MahackalaRussiaRecord high minimum temperature17.4 C (63.3 F)5 of 100 (Routine)
Oran-Hopital MilitaireAlgeriaRecord daily precipitation1.0 mm (0.04 in)4 of 100 (Routine)
BambergGermanyRecord low minimum temperature5.0 C (41.0 F)3 of 100 (Routine)
Philadelphia CityUnited StatesRecord low minimum temperature9.4 C (48.9 F)3 of 100 (Routine)
Ny City Cntrl ParkUnited StatesRecord low minimum temperature8.9 C (48.0 F)3 of 100 (Routine)

Counts by Type and Timescale

23 records
Records on 31 May 1915 by type Records set or tied on 31 May 1915 by type: Highest daily maximum 2, Lowest daily maximum 4, Highest daily minimum 3, Lowest daily minimum 10, Heaviest daily rainfall 4. 035810Highest daily maximum: 2Lowest daily maximum: 4Highest daily minimum: 3Lowest daily minimum: 10Heaviest daily rainfall: 4Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 31 May 1915 by type: Highest daily maximum 2, Lowest daily maximum 4, Highest daily minimum 3, Lowest daily minimum 10, Heaviest daily rainfall 4.
Records on 31 May 1915 by type
Record typeRecords
Highest daily maximum2
Lowest daily maximum4
Highest daily minimum3
Lowest daily minimum10
Heaviest daily rainfall4
Heaviest daily snowfall0
Deepest snow cover0
Records on 31 May 1915 by timescale Records on 31 May 1915 by timescale: all-time 0, monthly 0, daily 23. 0102030all-time: 0monthly: 0daily: 23all-timemonthlydaily
Records on 31 May 1915 by timescale: all-time 0, monthly 0, daily 23.
Records on 31 May 1915 by timescale
TimescaleRecords
all-time0
monthly0
daily23

How Much Records Were Beaten By

19 broken records
Histogram of margins by which records were beaten on 31 May 1915 Margins by which the 19 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 8.4. Ties are not counted. 0358100 to 2: 102 to 4: 64 to 6: 16 to 8: 18 to 10: 10 to 22 to 44 to 66 to 88 to 10
Margins by which the 19 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 8.4. Ties are not counted.
Histogram of margins by which records were beaten on 31 May 1915
MarginRecords
0 to 210
2 to 46
4 to 61
6 to 81
8 to 101

Top 20 by Significance

31 May 1915
Top 20 records on 31 May 1915 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
31 May 1915Uccle, BEdaily low min1.2 C (34.2 F)3.0 C (5.4 F)81 years40 of 100 (Notable)
31 May 1915Atlantic City Marina, USdaily low min7.8 C (46.0 F)2.8 C (5.0 F)38 years23 of 100 (Routine)
31 May 1915Olands Norra Udde, SEdaily rain11.6 mm (0.5 in)7.8 mm (0.31 in)13 years20 of 100 (Routine)
31 May 1915Middletown 4 W, USdaily low min1.7 C (35.1 F)2.2 C (4.0 F)30 years18 of 100 (Routine)
31 May 1915Karlshamn, SEdaily rain10.4 mm (0.4 in)3.7 mm (0.15 in)8 years17 of 100 (Routine)
31 May 1915Tbilisi, GEdaily rain23.5 mm (0.9 in)8.4 mm (0.33 in)12 years15 of 100 (Routine)
31 May 1915Sveg, SEdaily low min-7.5 C (18.5 F)4.0 C (7.2 F)8 years15 of 100 (Routine)
31 May 1915Cet Central England, GBdaily low min1.0 C (33.8 F)1.6 C (2.9 F)24 years15 of 100 (Routine)
31 May 1915Cape May 2 NW, USdaily low min7.8 C (46.0 F)3.3 C (5.9 F)8 years15 of 100 (Routine)
31 May 1915Hambantota, LKdaily high min26.3 C (79.3 F)0.1 C (0.2 F)33 years14 of 100 (Routine)
31 May 1915Vestervig, DKdaily low min4.2 C (39.6 F)0.1 C (0.2 F)34 years14 of 100 (Routine)
31 May 1915Wilmington Wb City, USdaily low max19.4 C (66.9 F)2.8 C (5.0 F)8 years13 of 100 (Routine)
31 May 1915Houston Wb City, USdaily low max25.6 C (78.1 F)1.1 C (2.0 F)25 years13 of 100 (Routine)
31 May 1915St Albans, CAdaily high max32.8 C (91.0 F)0.6 C (1.1 F)28 years11 of 100 (Routine)
31 May 1915Ekaterinburg, RUdaily high min13.4 C (56.1 F)0.4 C (0.7 F)21 years9 of 100 (Routine)
31 May 1915Stony Mountain, CAdaily high max27.8 C (82.0 F)0.6 C (1.1 F)12 years6 of 100 (Routine)
31 May 1915Kristianstad, SEdaily low max11.0 C (51.8 F)0.5 C (0.9 F)8 years6 of 100 (Routine)
31 May 1915Vastervik, SEdaily low max10.5 C (50.9 F)0.5 C (0.9 F)8 years6 of 100 (Routine)
31 May 1915Mahackala, RUdaily high min17.4 C (63.3 F)0.1 C (0.2 F)8 years5 of 100 (Routine)
31 May 1915Oran-Hopital Militaire, DZdaily rain (Tie)1.0 mm (0.04 in)tie34 years4 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 1915
Records on 05-31 in each year Records set or tied on this calendar date in each year from 1811 to 1915. 1915 had 23 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 1915. 1915 had 23 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 1915-05-31: 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).