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Built 2026-10-19 (19 October 2026)

Weather Records on 30 May 1915

32 weather records were set or tied worldwide on 30 May 1915. Highest significance: Washington, US.

Key Facts for 30 May 1915

  • On 30 May 1915, 32 weather records were set or tied at long-record stations worldwide.
  • 1 were record highs and 26 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 32 daily.
  • Washington set a daily record low maximum temperature of 13.9 C (57.0 F) on 30 May 1915.
  • Across 165 earlier years (1818 to 2026) the same calendar date averaged 441 records.

Record Map

32 stations
Weather records on 30 May 1915 32 station records on 30 May 1915 are marked on the map, coloured by record type.
32 station records on 30 May 1915 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 30 May 1915: highest significance records shown on the map
StationCountryTypeValueSignificance
WashingtonUnited StatesRecord low maximum temperature13.9 C (57.0 F)30 of 100 (Routine)
PermRussiaRecord daily precipitation26.9 mm (1.1 in)25 of 100 (Routine)
WeldonUnited StatesRecord daily precipitation55.1 mm (2.2 in)25 of 100 (Routine)
ArmaghUnited KingdomRecord low minimum temperature1.7 C (35.1 F)24 of 100 (Routine)
YarmouthCanadaRecord low minimum temperature1.1 C (34.0 F)21 of 100 (Routine)
JonkopingSwedenRecord daily precipitation18.0 mm (0.7 in)20 of 100 (Routine)
BambergGermanyRecord daily precipitation16.3 mm (0.6 in)20 of 100 (Routine)
Cape May 2 NWUnited StatesRecord low maximum temperature13.3 C (55.9 F)20 of 100 (Routine)
Baltimore Customs HouseUnited StatesRecord low maximum temperature14.4 C (57.9 F)19 of 100 (Routine)
PortlandUnited StatesRecord low minimum temperature3.9 C (39.0 F)18 of 100 (Routine)
Atlantic City MarinaUnited StatesRecord low maximum temperature13.3 C (55.9 F)18 of 100 (Routine)
VinelandUnited StatesRecord low maximum temperature16.1 C (61.0 F)17 of 100 (Routine)
Morgantown 1United StatesRecord low maximum temperature15.0 C (59.0 F)17 of 100 (Routine)
Dublin Phoenix ParkIrelandRecord low minimum temperature0.0 C (32.0 F)16 of 100 (Routine)
Fredericton UnbCanadaRecord low minimum temperature0.6 C (33.1 F)14 of 100 (Routine)
HaparandaSwedenRecord low minimum temperature-1.0 C (30.2 F)14 of 100 (Routine)
HarnosandSwedenRecord low minimum temperature-1.0 C (30.2 F)14 of 100 (Routine)
Vasteras-HassloSwedenRecord low maximum temperature7.0 C (44.6 F)14 of 100 (Routine)
UmeaSwedenRecord low minimum temperature-3.5 C (25.7 F)14 of 100 (Routine)
Philadelphia CityUnited StatesRecord low maximum temperature15.0 C (59.0 F)14 of 100 (Routine)
TranebjergDenmarkRecord low maximum temperature10.1 C (50.2 F)13 of 100 (Routine)
ParnuEstoniaRecord daily precipitation7.0 mm (0.28 in)13 of 100 (Routine)
OrebroSwedenRecord low maximum temperature7.0 C (44.6 F)11 of 100 (Routine)
Cet Central EnglandUnited KingdomRecord low minimum temperature2.6 C (36.7 F)11 of 100 (Routine)
SheffieldUnited KingdomRecord low minimum temperature2.8 C (37.0 F)11 of 100 (Routine)
BorasSwedenRecord low maximum temperature9.6 C (49.3 F)8 of 100 (Routine)
Skara 1SwedenRecord low maximum temperature8.7 C (47.7 F)5 of 100 (Routine)
DurhamUnited KingdomRecord low minimum temperature2.2 C (36.0 F)3 of 100 (Routine)
Nemours (Ghazaouet)AlgeriaRecord high minimum temperature18.0 C (64.4 F)2 of 100 (Routine)
JonkopingSwedenRecord low maximum temperature9.5 C (49.1 F)2 of 100 (Routine)
GavleSwedenRecord low minimum temperature0.5 C (32.9 F)2 of 100 (Routine)
GavleSwedenRecord low maximum temperature7.0 C (44.6 F)1 of 100 (Routine)

Counts by Type and Timescale

32 records
Records on 30 May 1915 by type Records set or tied on 30 May 1915 by type: Lowest daily maximum 14, Highest daily minimum 1, Lowest daily minimum 12, Heaviest daily rainfall 5. 051015Highest daily maximum: 0Lowest daily maximum: 14Highest daily minimum: 1Lowest daily minimum: 12Heaviest daily rainfall: 5Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 30 May 1915 by type: Lowest daily maximum 14, Highest daily minimum 1, Lowest daily minimum 12, Heaviest daily rainfall 5.
Records on 30 May 1915 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum14
Highest daily minimum1
Lowest daily minimum12
Heaviest daily rainfall5
Heaviest daily snowfall0
Deepest snow cover0
Records on 30 May 1915 by timescale Records on 30 May 1915 by timescale: all-time 0, monthly 0, daily 32. 010203040all-time: 0monthly: 0daily: 32all-timemonthlydaily
Records on 30 May 1915 by timescale: all-time 0, monthly 0, daily 32.
Records on 30 May 1915 by timescale
TimescaleRecords
all-time0
monthly0
daily32

How Much Records Were Beaten By

27 broken records
Histogram of margins by which records were beaten on 30 May 1915 Margins by which the 27 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 17.5. Ties are not counted. 051015200 to 3: 163 to 5: 75 to 8: 18 to 10: 110 to 13: 113 to 15: 015 to 18: 10 to 33 to 55 to 88 to 1010 to 1313 to 1515 to 18
Margins by which the 27 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 17.5. Ties are not counted.
Histogram of margins by which records were beaten on 30 May 1915
MarginRecords
0 to 316
3 to 57
5 to 81
8 to 101
10 to 131
13 to 150
15 to 181

Top 20 by Significance

30 May 1915
Top 20 records on 30 May 1915 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
30 May 1915Washington, USdaily low max13.9 C (57.0 F)3.9 C (7.0 F)56 years30 of 100 (Routine)
30 May 1915Perm, RUdaily rain26.9 mm (1.1 in)11.1 mm (0.4 in)4 years25 of 100 (Routine)
30 May 1915Weldon, USdaily rain55.1 mm (2.2 in)17.5 mm (0.7 in)36 years25 of 100 (Routine)
30 May 1915Armagh, GBdaily low min1.7 C (35.1 F)0.6 C (1.1 F)50 years24 of 100 (Routine)
30 May 1915Yarmouth, CAdaily low min1.1 C (34.0 F)2.2 C (4.0 F)30 years21 of 100 (Routine)
30 May 1915Jonkoping, SEdaily rain18.0 mm (0.7 in)6.1 mm (0.24 in)41 years20 of 100 (Routine)
30 May 1915Bamberg, DEdaily rain16.3 mm (0.6 in)8.1 mm (0.32 in)14 years20 of 100 (Routine)
30 May 1915Cape May 2 NW, USdaily low max13.3 C (55.9 F)3.4 C (6.1 F)30 years20 of 100 (Routine)
30 May 1915Baltimore Customs House, USdaily low max14.4 C (57.9 F)3.4 C (6.1 F)30 years19 of 100 (Routine)
30 May 1915Portland, USdaily low min3.9 C (39.0 F)1.7 C (3.1 F)30 years18 of 100 (Routine)
30 May 1915Atlantic City Marina, USdaily low max13.3 C (55.9 F)2.3 C (4.1 F)30 years18 of 100 (Routine)
30 May 1915Vineland, USdaily low max16.1 C (61.0 F)2.8 C (5.0 F)30 years17 of 100 (Routine)
30 May 1915Morgantown 1, USdaily low max15.0 C (59.0 F)3.9 C (7.0 F)20 years17 of 100 (Routine)
30 May 1915Dublin Phoenix Park, IEdaily low min0.0 C (32.0 F)1.1 C (2.0 F)30 years16 of 100 (Routine)
30 May 1915Fredericton Unb, CAdaily low min0.6 C (33.1 F)0.5 C (0.9 F)32 years14 of 100 (Routine)
30 May 1915Haparanda, SEdaily low min-1.0 C (30.2 F)1.0 C (1.8 F)30 years14 of 100 (Routine)
30 May 1915Harnosand, SEdaily low min-1.0 C (30.2 F)1.0 C (1.8 F)26 years14 of 100 (Routine)
30 May 1915Vasteras-Hasslo, SEdaily low max7.0 C (44.6 F)3.0 C (5.4 F)20 years14 of 100 (Routine)
30 May 1915Umea, SEdaily low min-3.5 C (25.7 F)1.0 C (1.8 F)27 years14 of 100 (Routine)
30 May 1915Philadelphia City, USdaily low max15.0 C (59.0 F)0.6 C (1.1 F)30 years14 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

1818 to 1915
Records on 05-30 in each year Records set or tied on this calendar date in each year from 1818 to 1915. 1915 had 32 records. 01,0002,0003,0001818: 31844: 11847: 11848: 11852: 11853: 11855: 11856: 11858: 11860: 21863: 11864: 11865: 41867: 11868: 41870: 11871: 21873: 41878: 11879: 11880: 21881: 11882: 21883: 11884: 21885: 11886: 11887: 11889: 31890: 11891: 11892: 21893: 71894: 21895: 51896: 11897: 11898: 21899: 41900: 11901: 41902: 91903: 121904: 71905: 201906: 81907: 201908: 321909: 61910: 221911: 221912: 261913: 891914: 251915: 321916: 411917: 421918: 311919: 901920: 281921: 3921922: 721923: 1211924: 1871925: 1901926: 2011927: 1771928: 861929: 3681930: 5301931: 3161932: 2561933: 2501934: 7311935: 881936: 5791937: 4401938: 3091939: 3361940: 2891941: 5181942: 5001943: 4441944: 3251945: 3831946: 3101947: 8801948: 3861949: 3181950: 3761951: 4481952: 2951953: 6221954: 2711955: 3771956: 4661957: 2671958: 4801959: 4191960: 2741961: 6571962: 4541963: 2451964: 7091965: 4541966: 3261967: 8591968: 3571969: 1,0921970: 4831971: 1,0441972: 7211973: 3911974: 6311975: 7761976: 4991977: 4441978: 8881979: 1,1851980: 6501981: 1,0011982: 9811983: 1,3101984: 2,5431985: 7721986: 1,2641987: 1,0211988: 1,3711989: 1,0211990: 9831991: 1,2641992: 1,4131993: 6901994: 8341995: 7771996: 8931997: 9361998: 1,1901999: 1,1132000: 1,3912001: 8542002: 9402003: 1,1102004: 1,2192005: 7372006: 1,1792007: 1,1282008: 8292009: 4802010: 7712011: 1,9142012: 7202013: 8212014: 5512015: 6992016: 5402017: 6572018: 1,3192019: 7062020: 9202021: 8412022: 1,0342023: 3442024: 6002025: 8282026: 5251818187318951912192919461963198019972014
Records set or tied on this calendar date in each year from 1818 to 1915. 1915 had 32 records.
Counts for years before the ledger starts come from the same station rules.
Records on 05-30 in each year
YearRecords
18183
18441
18471
18481
18521
18531
18551
18561
18581
18602
18631
18641
18654
18671
18684
18701
18712
18734
18781
18791
18802
18811
18822
18831
18842
18851
18861
18871
18893
18901
18911
18922
18937
18942
18955
18961
18971
18982
18994
19001
19014
19029
190312
19047
190520
19068
190720
190832
19096
191022
191122
191226
191389
191425
191532
191641
191742
191831
191990
192028
1921392
192272
1923121
1924187
1925190
1926201
1927177
192886
1929368
1930530
1931316
1932256
1933250
1934731
193588
1936579
1937440
1938309
1939336
1940289
1941518
1942500
1943444
1944325
1945383
1946310
1947880
1948386
1949318
1950376
1951448
1952295
1953622
1954271
1955377
1956466
1957267
1958480
1959419
1960274
1961657
1962454
1963245
1964709
1965454
1966326
1967859
1968357
19691,092
1970483
19711,044
1972721
1973391
1974631
1975776
1976499
1977444
1978888
19791,185
1980650
19811,001
1982981
19831,310
19842,543
1985772
19861,264
19871,021
19881,371
19891,021
1990983
19911,264
19921,413
1993690
1994834
1995777
1996893
1997936
19981,190
19991,113
20001,391
2001854
2002940
20031,110
20041,219
2005737
20061,179
20071,128
2008829
2009480
2010771
20111,914
2012720
2013821
2014551
2015699
2016540
2017657
20181,319
2019706
2020920
2021841
20221,034
2023344
2024600
2025828
2026525

Download the Data

  • Data for records on 1915-05-30: 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).