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Weather Records on 17 May 1917

18 weather records were set or tied worldwide on 17 May 1917. Highest significance: Nuwara Eliya, LK.

Key Facts for 17 May 1917

  • On 17 May 1917, 18 weather records were set or tied at long-record stations worldwide.
  • 7 were record highs and 6 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 17 daily.
  • Nuwara Eliya set a daily record low minimum temperature of 2.9 C (37.2 F) on 17 May 1917.
  • Across 167 earlier years (1802 to 2026) the same calendar date averaged 437 records.

Record Map

18 stations
Weather records on 17 May 1917 18 station records on 17 May 1917 are marked on the map, coloured by record type.
18 station records on 17 May 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 17 May 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
Nuwara EliyaSri LankaRecord low minimum temperature2.9 C (37.2 F)40 of 100 (Notable)
Stony MountainCanadaRecord high maximum temperature33.3 C (91.9 F)24 of 100 (Routine)
OxfordUnited KingdomRecord daily precipitation18.7 mm (0.7 in)20 of 100 (Routine)
PalermoItalyRecord daily precipitation13.3 mm (0.5 in)20 of 100 (Routine)
YalataAustraliaRecord daily precipitation17.8 mm (0.7 in)20 of 100 (Routine)
EllistonAustraliaRecord daily precipitation25.4 mm (1.0 in)18 of 100 (Routine)
CharlottetownCanadaRecord low maximum temperature5.0 C (41.0 F)17 of 100 (Routine)
Brisbane Regional OfficeAustraliaRecord low minimum temperature7.3 C (45.1 F)15 of 100 (Routine)
DurhamUnited KingdomRecord low maximum temperature7.2 C (45.0 F)13 of 100 (Routine)
SonnblickAustriaRecord high minimum temperature-1.4 C (29.5 F)11 of 100 (Routine)
NurnbergGermanyRecord high minimum temperature15.4 C (59.7 F)10 of 100 (Routine)
PlauenGermanyRecord high minimum temperature12.5 C (54.5 F)10 of 100 (Routine)
Heinersreuth-VollhofGermanyRecord high minimum temperature12.8 C (55.0 F)9 of 100 (Routine)
LuganskUkraineRecord daily precipitation14.6 mm (0.6 in)8 of 100 (Routine)
SonnblickAustriaRecord high maximum temperature3.1 C (37.6 F)7 of 100 (Routine)
InnsbruckAustriaRecord high maximum temperature26.6 C (79.9 F)5 of 100 (Routine)
Gunnedah PoolAustraliaRecord low maximum temperature12.8 C (55.0 F)3 of 100 (Routine)
Moose FactoryCanadaRecord low minimum temperature-5.0 C (23.0 F)2 of 100 (Routine)

Counts by Type and Timescale

18 records
Records on 17 May 1917 by type Records set or tied on 17 May 1917 by type: Highest daily maximum 3, Lowest daily maximum 3, Highest daily minimum 4, Lowest daily minimum 3, Heaviest daily rainfall 5. 0246Highest daily maximum: 3Lowest daily maximum: 3Highest daily minimum: 4Lowest daily minimum: 3Heaviest daily rainfall: 5Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 17 May 1917 by type: Highest daily maximum 3, Lowest daily maximum 3, Highest daily minimum 4, Lowest daily minimum 3, Heaviest daily rainfall 5.
Records on 17 May 1917 by type
Record typeRecords
Highest daily maximum3
Lowest daily maximum3
Highest daily minimum4
Lowest daily minimum3
Heaviest daily rainfall5
Heaviest daily snowfall0
Deepest snow cover0
Records on 17 May 1917 by timescale Records on 17 May 1917 by timescale: all-time 0, monthly 1, daily 17. 05101520all-time: 0monthly: 1daily: 17all-timemonthlydaily
Records on 17 May 1917 by timescale: all-time 0, monthly 1, daily 17.
Records on 17 May 1917 by timescale
TimescaleRecords
all-time0
monthly1
daily17

How Much Records Were Beaten By

16 broken records
Histogram of margins by which records were beaten on 17 May 1917 Margins by which the 16 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 9.4. Ties are not counted. 0358100 to 2: 102 to 4: 24 to 6: 26 to 8: 18 to 10: 10 to 22 to 44 to 66 to 88 to 10
Margins by which the 16 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 9.4. Ties are not counted.
Histogram of margins by which records were beaten on 17 May 1917
MarginRecords
0 to 210
2 to 42
4 to 62
6 to 81
8 to 101

Top 20 by Significance

17 May 1917
Top 18 records on 17 May 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
17 May 1917Nuwara Eliya, LKdaily low min2.9 C (37.2 F)4.9 C (8.8 F)43 years40 of 100 (Notable)
17 May 1917Stony Mountain, CAmonthly high max33.3 C (91.9 F)1.1 C (2.0 F)30 years24 of 100 (Routine)
17 May 1917Oxford, GBdaily rain18.7 mm (0.7 in)5.5 mm (0.22 in)23 years20 of 100 (Routine)
17 May 1917Palermo, ITdaily rain13.3 mm (0.5 in)0.9 mm (0.04 in)37 years20 of 100 (Routine)
17 May 1917Yalata, AUdaily rain17.8 mm (0.7 in)9.4 mm (0.37 in)7 years20 of 100 (Routine)
17 May 1917Elliston, AUdaily rain25.4 mm (1.0 in)7.1 mm (0.28 in)17 years18 of 100 (Routine)
17 May 1917Charlottetown, CAdaily low max5.0 C (41.0 F)2.2 C (4.0 F)32 years17 of 100 (Routine)
17 May 1917Brisbane Regional Office, AUdaily low min7.3 C (45.1 F)1.5 C (2.7 F)23 years15 of 100 (Routine)
17 May 1917Durham, GBdaily low max7.2 C (45.0 F)0.7 C (1.3 F)31 years13 of 100 (Routine)
17 May 1917Sonnblick, ATdaily high min-1.4 C (29.5 F)0.4 C (0.7 F)23 years11 of 100 (Routine)
17 May 1917Nurnberg, DEdaily high min15.4 C (59.7 F)2.4 C (4.3 F)4 years10 of 100 (Routine)
17 May 1917Plauen, DEdaily high min12.5 C (54.5 F)0.1 C (0.2 F)23 years10 of 100 (Routine)
17 May 1917Heinersreuth-Vollhof, DEdaily high min12.8 C (55.0 F)0.6 C (1.1 F)19 years9 of 100 (Routine)
17 May 1917Lugansk, UAdaily rain14.6 mm (0.6 in)1.4 mm (0.06 in)15 years8 of 100 (Routine)
17 May 1917Sonnblick, ATdaily high max3.1 C (37.6 F)0.6 C (1.1 F)12 years7 of 100 (Routine)
17 May 1917Innsbruck, ATdaily high max26.6 C (79.9 F)0.6 C (1.1 F)0 years5 of 100 (Routine)
17 May 1917Gunnedah Pool, AUdaily low max (Tie)12.8 C (55.0 F)tie29 years3 of 100 (Routine)
17 May 1917Moose Factory, CAdaily low min (Tie)-5.0 C (23.0 F)tie25 years2 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

1802 to 1917
Records on 05-17 in each year Records set or tied on this calendar date in each year from 1802 to 1917. 1917 had 18 records. 05001,0001,5002,0001802: 21803: 11808: 11816: 11834: 11837: 11839: 11847: 21848: 11851: 11853: 11855: 11858: 11859: 11861: 21862: 21863: 21864: 11871: 21872: 21873: 21874: 41877: 11878: 11879: 21880: 11881: 11882: 21883: 31885: 11887: 11888: 21889: 31891: 81892: 41893: 31895: 81896: 21897: 31898: 61899: 71900: 121901: 21902: 31903: 91904: 121905: 101906: 221907: 101908: 51909: 331910: 161911: 301912: 161913: 241914: 241915: 531916: 491917: 181918: 561919: 351920: 461921: 501922: 301923: 951924: 801925: 3261926: 1331927: 2641928: 1271929: 1681930: 4211931: 2011932: 2881933: 3651934: 3731935: 3411936: 2701937: 1831938: 3401939: 2851940: 3381941: 4081942: 5891943: 8551944: 5211945: 7991946: 5861947: 2491948: 4121949: 5441950: 3711951: 3731952: 7771953: 4411954: 2981955: 5701956: 1,1661957: 4691958: 3311959: 4881960: 4021961: 2911962: 1,3251963: 3681964: 4171965: 4621966: 4891967: 6441968: 5641969: 6381970: 7111971: 7231972: 6101973: 1,0161974: 1,3021975: 3651976: 4261977: 1,0781978: 8721979: 4591980: 7681981: 9401982: 4761983: 1,3261984: 9251985: 5611986: 9211987: 1,0541988: 1,0961989: 1,3071990: 1,1351991: 1,2371992: 1,0251993: 4951994: 8581995: 1,7341996: 1,7061997: 1,6191998: 1,0801999: 7952000: 8252001: 9602002: 9642003: 1,1272004: 7692005: 7842006: 1,5222007: 7422008: 1,3092009: 1,0502010: 8802011: 1,4832012: 7112013: 7392014: 1,0622015: 8242016: 7412017: 1,3022018: 7262019: 6862020: 4962021: 4432022: 4792023: 3852024: 5662025: 9282026: 7451802186418921910192719441961197819952012
Records set or tied on this calendar date in each year from 1802 to 1917. 1917 had 18 records.
Counts for years before the ledger starts come from the same station rules.
Records on 05-17 in each year
YearRecords
18022
18031
18081
18161
18341
18371
18391
18472
18481
18511
18531
18551
18581
18591
18612
18622
18632
18641
18712
18722
18732
18744
18771
18781
18792
18801
18811
18822
18833
18851
18871
18882
18893
18918
18924
18933
18958
18962
18973
18986
18997
190012
19012
19023
19039
190412
190510
190622
190710
19085
190933
191016
191130
191216
191324
191424
191553
191649
191718
191856
191935
192046
192150
192230
192395
192480
1925326
1926133
1927264
1928127
1929168
1930421
1931201
1932288
1933365
1934373
1935341
1936270
1937183
1938340
1939285
1940338
1941408
1942589
1943855
1944521
1945799
1946586
1947249
1948412
1949544
1950371
1951373
1952777
1953441
1954298
1955570
19561,166
1957469
1958331
1959488
1960402
1961291
19621,325
1963368
1964417
1965462
1966489
1967644
1968564
1969638
1970711
1971723
1972610
19731,016
19741,302
1975365
1976426
19771,078
1978872
1979459
1980768
1981940
1982476
19831,326
1984925
1985561
1986921
19871,054
19881,096
19891,307
19901,135
19911,237
19921,025
1993495
1994858
19951,734
19961,706
19971,619
19981,080
1999795
2000825
2001960
2002964
20031,127
2004769
2005784
20061,522
2007742
20081,309
20091,050
2010880
20111,483
2012711
2013739
20141,062
2015824
2016741
20171,302
2018726
2019686
2020496
2021443
2022479
2023385
2024566
2025928
2026745

Download the Data

  • Data for records on 1917-05-17: 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).