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Weather Records on 25 May 1917

53 weather records were set or tied worldwide on 25 May 1917. Highest significance: Armagh, GB.

Key Facts for 25 May 1917

  • On 25 May 1917, 53 weather records were set or tied at long-record stations worldwide.
  • 10 were record highs and 36 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 53 daily.
  • Armagh set a daily record high minimum temperature of 12.7 C (54.9 F) on 25 May 1917.
  • Across 162 earlier years (1793 to 2026) the same calendar date averaged 445 records.

Record Map

53 stations
Weather records on 25 May 1917 53 station records on 25 May 1917 are marked on the map, coloured by record type.
53 station records on 25 May 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 25 May 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
ArmaghUnited KingdomRecord high minimum temperature12.7 C (54.9 F)30 of 100 (Routine)
BredasdorpSouth AfricaRecord daily precipitation25.4 mm (1.0 in)27 of 100 (Routine)
LakefieldCanadaRecord low minimum temperature0.0 C (32.0 F)20 of 100 (Routine)
BuffaloUnited StatesRecord low minimum temperature2.8 C (37.0 F)20 of 100 (Routine)
WellandCanadaRecord low minimum temperature1.7 C (35.1 F)19 of 100 (Routine)
Port Fairy (Griffiths Island)AustraliaRecord daily precipitation11.4 mm (0.4 in)18 of 100 (Routine)
Guelph OacCanadaRecord low minimum temperature0.0 C (32.0 F)18 of 100 (Routine)
BuffaloUnited StatesRecord low maximum temperature7.8 C (46.0 F)17 of 100 (Routine)
Kingston Queens UCanadaRecord low minimum temperature2.8 C (37.0 F)16 of 100 (Routine)
LucknowCanadaRecord daily snowfall2.0 cm (0.8 in)16 of 100 (Routine)
Windsor RiversideCanadaRecord low maximum temperature10.6 C (51.1 F)15 of 100 (Routine)
AltonCanadaRecord low maximum temperature6.7 C (44.1 F)15 of 100 (Routine)
CowesAustraliaRecord daily precipitation12.7 mm (0.5 in)14 of 100 (Routine)
LakefieldCanadaRecord low maximum temperature13.3 C (55.9 F)13 of 100 (Routine)
LindsayCanadaRecord low minimum temperature2.2 C (36.0 F)13 of 100 (Routine)
KarlshamnSwedenRecord high minimum temperature10.5 C (50.9 F)13 of 100 (Routine)
London SouthCanadaRecord low minimum temperature2.8 C (37.0 F)12 of 100 (Routine)
VastervikSwedenRecord high minimum temperature12.5 C (54.5 F)12 of 100 (Routine)
Cleveland 2717 EuclidUnited StatesRecord low minimum temperature6.1 C (43.0 F)12 of 100 (Routine)
BurlingtonUnited StatesRecord low maximum temperature11.1 C (52.0 F)12 of 100 (Routine)
Walgett Council DepotAustraliaRecord low minimum temperature0.0 C (32.0 F)11 of 100 (Routine)
NorthfieldUnited StatesRecord low maximum temperature10.6 C (51.1 F)11 of 100 (Routine)
Urana Post OfficeAustraliaRecord daily precipitation15.7 mm (0.6 in)10 of 100 (Routine)
PlauenGermanyRecord high minimum temperature11.7 C (53.1 F)10 of 100 (Routine)
Algiers-Ville/UniversiteAlgeriaRecord low minimum temperature13.0 C (55.4 F)9 of 100 (Routine)
State CollegeUnited StatesRecord low minimum temperature3.3 C (37.9 F)9 of 100 (Routine)
Sacramento 5 ESEUnited StatesRecord low maximum temperature14.4 C (57.9 F)9 of 100 (Routine)
Gunnedah PoolAustraliaRecord low maximum temperature11.7 C (53.1 F)8 of 100 (Routine)
AltonCanadaRecord low minimum temperature0.6 C (33.1 F)8 of 100 (Routine)
YarmouthCanadaRecord low maximum temperature9.4 C (48.9 F)8 of 100 (Routine)
ArhangelskRussiaRecord low minimum temperature-4.7 C (23.5 F)8 of 100 (Routine)
Portland Rfc CityUnited StatesRecord low maximum temperature12.2 C (54.0 F)8 of 100 (Routine)
Wagga Wagga (Kooringal)AustraliaRecord low maximum temperature11.1 C (52.0 F)7 of 100 (Routine)
MoolpaAustraliaRecord daily precipitation7.6 mm (0.30 in)7 of 100 (Routine)
LucknowCanadaRecord low minimum temperature-1.1 C (30.0 F)7 of 100 (Routine)
NewportUnited StatesRecord daily precipitation20.3 mm (0.8 in)7 of 100 (Routine)
BarrieCanadaRecord low minimum temperature1.7 C (35.1 F)4 of 100 (Routine)
Windsor RiversideCanadaRecord low minimum temperature4.4 C (39.9 F)4 of 100 (Routine)
HamiltonCanadaRecord low minimum temperature2.8 C (37.0 F)4 of 100 (Routine)
WoodstockCanadaRecord low maximum temperature11.7 C (53.1 F)3 of 100 (Routine)
WoodstockCanadaRecord low minimum temperature1.1 C (34.0 F)3 of 100 (Routine)
Skara 1SwedenRecord high minimum temperature10.0 C (50.0 F)3 of 100 (Routine)
World Trade CtrUnited StatesRecord low minimum temperature7.2 C (45.0 F)3 of 100 (Routine)
Linkoeping-MalmslaettSwedenRecord high minimum temperature13.0 C (55.4 F)2 of 100 (Routine)
KristianstadSwedenRecord high minimum temperature11.0 C (51.8 F)2 of 100 (Routine)
San Diego WboUnited StatesRecord low maximum temperature16.1 C (61.0 F)2 of 100 (Routine)
State CollegeUnited StatesRecord low maximum temperature13.9 C (57.0 F)2 of 100 (Routine)
Greenville Dwtn APUnited StatesRecord low minimum temperature9.4 C (48.9 F)2 of 100 (Routine)
Oran-Hopital MilitaireAlgeriaRecord low maximum temperature20.0 C (68.0 F)1 of 100 (Routine)
Dublin Phoenix ParkIrelandRecord high minimum temperature11.1 C (52.0 F)1 of 100 (Routine)
SheffieldUnited KingdomRecord high maximum temperature23.3 C (73.9 F)1 of 100 (Routine)
Santa FeUnited StatesRecord low minimum temperature2.2 C (36.0 F)1 of 100 (Routine)
Houston Wb CityUnited StatesRecord high minimum temperature23.9 C (75.0 F)1 of 100 (Routine)

Counts by Type and Timescale

53 records
Records on 25 May 1917 by type Records set or tied on 25 May 1917 by type: Highest daily maximum 1, Lowest daily maximum 15, Highest daily minimum 9, Lowest daily minimum 21, Heaviest daily rainfall 6, Heaviest daily snowfall 1. 0102030Highest daily maximum: 1Lowest daily maximum: 15Highest daily minimum: 9Lowest daily minimum: 21Heaviest daily rainfall: 6Heaviest daily snowfall: 1Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 25 May 1917 by type: Highest daily maximum 1, Lowest daily maximum 15, Highest daily minimum 9, Lowest daily minimum 21, Heaviest daily rainfall 6, Heaviest daily snowfall 1.
Records on 25 May 1917 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum15
Highest daily minimum9
Lowest daily minimum21
Heaviest daily rainfall6
Heaviest daily snowfall1
Deepest snow cover0
Records on 25 May 1917 by timescale Records on 25 May 1917 by timescale: all-time 0, monthly 0, daily 53. 0204060all-time: 0monthly: 0daily: 53all-timemonthlydaily
Records on 25 May 1917 by timescale: all-time 0, monthly 0, daily 53.
Records on 25 May 1917 by timescale
TimescaleRecords
all-time0
monthly0
daily53

How Much Records Were Beaten By

36 broken records
Histogram of margins by which records were beaten on 25 May 1917 Margins by which the 36 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. 01020300 to 3: 223 to 5: 105 to 8: 28 to 10: 010 to 13: 013 to 15: 115 to 18: 018 to 20: 10 to 33 to 55 to 88 to 1010 to 1313 to 1515 to 1818 to 20
Margins by which the 36 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 25 May 1917
MarginRecords
0 to 322
3 to 510
5 to 82
8 to 100
10 to 130
13 to 151
15 to 180
18 to 201

Top 20 by Significance

25 May 1917
Top 20 records on 25 May 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
25 May 1917Armagh, GBdaily high min12.7 C (54.9 F)0.9 C (1.6 F)68 years30 of 100 (Routine)
25 May 1917Bredasdorp, ZAdaily rain25.4 mm (1.0 in)12.7 mm (0.5 in)28 years27 of 100 (Routine)
25 May 1917Lakefield, CAdaily low min0.0 C (32.0 F)2.8 C (5.0 F)37 years20 of 100 (Routine)
25 May 1917Buffalo, USdaily low min2.8 C (37.0 F)3.3 C (5.9 F)30 years20 of 100 (Routine)
25 May 1917Welland, CAdaily low min1.7 C (35.1 F)2.7 C (4.9 F)30 years19 of 100 (Routine)
25 May 1917Port Fairy (Griffiths Island), AUdaily rain11.4 mm (0.4 in)5.0 mm (0.20 in)22 years18 of 100 (Routine)
25 May 1917Guelph Oac, CAdaily low min0.0 C (32.0 F)3.3 C (5.9 F)30 years18 of 100 (Routine)
25 May 1917Buffalo, USdaily low max7.8 C (46.0 F)2.8 C (5.0 F)30 years17 of 100 (Routine)
25 May 1917Kingston Queens U, CAdaily low min2.8 C (37.0 F)0.5 C (0.9 F)39 years16 of 100 (Routine)
25 May 1917Lucknow, CAdaily snowfall2.0 cm (0.8 in)2.0 cm (0.8 in)31 years16 of 100 (Routine)
25 May 1917Windsor Riverside, CAdaily low max10.6 C (51.1 F)3.3 C (5.9 F)19 years15 of 100 (Routine)
25 May 1917Alton, CAdaily low max6.7 C (44.1 F)5.5 C (9.9 F)16 years15 of 100 (Routine)
25 May 1917Cowes, AUdaily rain12.7 mm (0.5 in)4.8 mm (0.19 in)11 years14 of 100 (Routine)
25 May 1917Lakefield, CAdaily low max13.3 C (55.9 F)1.7 C (3.1 F)23 years13 of 100 (Routine)
25 May 1917Lindsay, CAdaily low min2.2 C (36.0 F)0.6 C (1.1 F)30 years13 of 100 (Routine)
25 May 1917Karlshamn, SEdaily high min10.5 C (50.9 F)0.5 C (0.9 F)30 years13 of 100 (Routine)
25 May 1917London South, CAdaily low min2.8 C (37.0 F)0.5 C (0.9 F)27 years12 of 100 (Routine)
25 May 1917Vastervik, SEdaily high min12.5 C (54.5 F)0.5 C (0.9 F)27 years12 of 100 (Routine)
25 May 1917Cleveland 2717 Euclid, USdaily low min6.1 C (43.0 F)0.6 C (1.1 F)25 years12 of 100 (Routine)
25 May 1917Burlington, USdaily low max11.1 C (52.0 F)2.8 C (5.0 F)16 years12 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

1793 to 1917
Records on 05-25 in each year Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 53 records. 05001,0001,5002,0001793: 11795: 11797: 11824: 11830: 11837: 21839: 11841: 11846: 21847: 31848: 11852: 11864: 11865: 11866: 21867: 21868: 31869: 11870: 11875: 11879: 21880: 31881: 11883: 11886: 11887: 21889: 31890: 121891: 11892: 11893: 11894: 11895: 31897: 11898: 51899: 21900: 51901: 101902: 21903: 71904: 141905: 91906: 411907: 181908: 251909: 201910: 351911: 151912: 211913: 461914: 331915: 201916: 331917: 531918: 221919: 361920: 591921: 2081922: 1181923: 1131924: 2771925: 6751926: 2211927: 2401928: 3011929: 1221930: 1561931: 2621932: 3581933: 4001934: 2191935: 3011936: 4071937: 1761938: 4561939: 3221940: 2591941: 2971942: 5341943: 5671944: 3921945: 2251946: 3711947: 5881948: 3171949: 3711950: 6441951: 5421952: 4361953: 1,0241954: 2841955: 1,0681956: 9401957: 4631958: 4391959: 3161960: 4931961: 2541962: 5671963: 3521964: 7161965: 6621966: 2951967: 9461968: 3941969: 3671970: 3851971: 7001972: 4771973: 5951974: 8201975: 9221976: 4121977: 9461978: 5811979: 1,4321980: 1,1601981: 1,0721982: 7141983: 1,1471984: 6771985: 5191986: 5001987: 7031988: 6351989: 1,1901990: 6561991: 1,7681992: 1,6821993: 8241994: 7731995: 1,5461996: 1,3041997: 1,5131998: 8821999: 7082000: 1,4172001: 1,2012002: 1,0012003: 9182004: 9032005: 9092006: 8012007: 1,4202008: 8402009: 1,0882010: 1,5122011: 1,1802012: 1,6162013: 9122014: 7612015: 4072016: 4292017: 8292018: 8002019: 6412020: 5642021: 5052022: 7522023: 3052024: 6882025: 5272026: 9131793186918981915193219491966198320002017
Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 53 records.
Counts for years before the ledger starts come from the same station rules.
Records on 05-25 in each year
YearRecords
17931
17951
17971
18241
18301
18372
18391
18411
18462
18473
18481
18521
18641
18651
18662
18672
18683
18691
18701
18751
18792
18803
18811
18831
18861
18872
18893
189012
18911
18921
18931
18941
18953
18971
18985
18992
19005
190110
19022
19037
190414
19059
190641
190718
190825
190920
191035
191115
191221
191346
191433
191520
191633
191753
191822
191936
192059
1921208
1922118
1923113
1924277
1925675
1926221
1927240
1928301
1929122
1930156
1931262
1932358
1933400
1934219
1935301
1936407
1937176
1938456
1939322
1940259
1941297
1942534
1943567
1944392
1945225
1946371
1947588
1948317
1949371
1950644
1951542
1952436
19531,024
1954284
19551,068
1956940
1957463
1958439
1959316
1960493
1961254
1962567
1963352
1964716
1965662
1966295
1967946
1968394
1969367
1970385
1971700
1972477
1973595
1974820
1975922
1976412
1977946
1978581
19791,432
19801,160
19811,072
1982714
19831,147
1984677
1985519
1986500
1987703
1988635
19891,190
1990656
19911,768
19921,682
1993824
1994773
19951,546
19961,304
19971,513
1998882
1999708
20001,417
20011,201
20021,001
2003918
2004903
2005909
2006801
20071,420
2008840
20091,088
20101,512
20111,180
20121,616
2013912
2014761
2015407
2016429
2017829
2018800
2019641
2020564
2021505
2022752
2023305
2024688
2025527
2026913

Download the Data

  • Data for records on 1917-05-25: 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).