Built 2026-10-19 (19 October 2026)

Weather Records on 17 May 1912

16 weather records were set or tied worldwide on 17 May 1912. Highest significance: Hamilton, CA.

Key Facts for 17 May 1912

  • On 17 May 1912, 16 weather records were set or tied at long-record stations worldwide.
  • 2 were record highs and 3 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 16 daily.
  • Hamilton set a daily record precipitation of 39.9 mm (1.6 in) on 17 May 1912.
  • Across 167 earlier years (1802 to 2026) the same calendar date averaged 437 records.

Record Map

16 stations
Weather records on 17 May 1912 16 station records on 17 May 1912 are marked on the map, coloured by record type.
16 station records on 17 May 1912 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 17 May 1912: highest significance records shown on the map
StationCountryTypeValueSignificance
HamiltonCanadaRecord daily precipitation39.9 mm (1.6 in)45 of 100 (Notable)
GeorgetownCanadaRecord daily precipitation33.8 mm (1.3 in)38 of 100 (Notable)
StratfordCanadaRecord daily precipitation38.4 mm (1.5 in)34 of 100 (Routine)
Pointe Au PereCanadaRecord daily precipitation32.3 mm (1.3 in)27 of 100 (Routine)
Zagreb-GricCroatiaRecord daily precipitation34.2 mm (1.3 in)21 of 100 (Routine)
PeterboroughCanadaRecord daily precipitation21.3 mm (0.8 in)20 of 100 (Routine)
BromeCanadaRecord daily precipitation22.9 mm (0.9 in)19 of 100 (Routine)
CharlottetownCanadaRecord daily precipitation21.3 mm (0.8 in)18 of 100 (Routine)
Middletown 4 WUnited StatesRecord daily precipitation20.8 mm (0.8 in)17 of 100 (Routine)
HalifaxCanadaRecord daily precipitation37.3 mm (1.5 in)15 of 100 (Routine)
HelmondNetherlandsRecord daily precipitation10.8 mm (0.4 in)13 of 100 (Routine)
Little Rock St CapitolUnited StatesRecord low minimum temperature9.4 C (48.9 F)9 of 100 (Routine)
PeterboroughCanadaRecord low maximum temperature12.2 C (54.0 F)5 of 100 (Routine)
TruroCanadaRecord high minimum temperature12.8 C (55.0 F)3 of 100 (Routine)
Bourke Post OfficeAustraliaRecord low minimum temperature3.3 C (37.9 F)1 of 100 (Routine)
Inverell ComparisonAustraliaRecord high maximum temperature24.4 C (75.9 F)1 of 100 (Routine)

Counts by Type and Timescale

16 records
Records on 17 May 1912 by type Records set or tied on 17 May 1912 by type: Highest daily maximum 1, Lowest daily maximum 1, Highest daily minimum 1, Lowest daily minimum 2, Heaviest daily rainfall 11. 051015Highest daily maximum: 1Lowest daily maximum: 1Highest daily minimum: 1Lowest daily minimum: 2Heaviest daily rainfall: 11Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 17 May 1912 by type: Highest daily maximum 1, Lowest daily maximum 1, Highest daily minimum 1, Lowest daily minimum 2, Heaviest daily rainfall 11.
Records on 17 May 1912 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum1
Highest daily minimum1
Lowest daily minimum2
Heaviest daily rainfall11
Heaviest daily snowfall0
Deepest snow cover0
Records on 17 May 1912 by timescale Records on 17 May 1912 by timescale: all-time 0, monthly 0, daily 16. 05101520all-time: 0monthly: 0daily: 16all-timemonthlydaily
Records on 17 May 1912 by timescale: all-time 0, monthly 0, daily 16.
Records on 17 May 1912 by timescale
TimescaleRecords
all-time0
monthly0
daily16

How Much Records Were Beaten By

13 broken records
Histogram of margins by which records were beaten on 17 May 1912 Margins by which the 13 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 30.2. Ties are not counted. 02460 to 5: 65 to 10: 110 to 15: 315 to 20: 020 to 25: 225 to 30: 030 to 35: 10 to 55 to 1010 to 1515 to 2020 to 2525 to 3030 to 35
Margins by which the 13 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 30.2. Ties are not counted.
Histogram of margins by which records were beaten on 17 May 1912
MarginRecords
0 to 56
5 to 101
10 to 153
15 to 200
20 to 252
25 to 300
30 to 351

Top 20 by Significance

17 May 1912
Top 16 records on 17 May 1912 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
17 May 1912Hamilton, CAdaily rain39.9 mm (1.6 in)30.2 mm (1.2 in)30 years45 of 100 (Notable)
17 May 1912Georgetown, CAdaily rain33.8 mm (1.3 in)21.1 mm (0.8 in)17 years38 of 100 (Notable)
17 May 1912Stratford, CAdaily rain38.4 mm (1.5 in)23.7 mm (0.9 in)6 years34 of 100 (Routine)
17 May 1912Pointe Au Pere, CAdaily rain32.3 mm (1.3 in)14.0 mm (0.6 in)8 years27 of 100 (Routine)
17 May 1912Zagreb-Gric, HRdaily rain34.2 mm (1.3 in)12.3 mm (0.5 in)6 years21 of 100 (Routine)
17 May 1912Peterborough, CAdaily rain21.3 mm (0.8 in)7.1 mm (0.28 in)30 years20 of 100 (Routine)
17 May 1912Brome, CAdaily rain22.9 mm (0.9 in)11.0 mm (0.4 in)12 years19 of 100 (Routine)
17 May 1912Charlottetown, CAdaily rain21.3 mm (0.8 in)4.5 mm (0.18 in)27 years18 of 100 (Routine)
17 May 1912Middletown 4 W, USdaily rain20.8 mm (0.8 in)4.8 mm (0.19 in)30 years17 of 100 (Routine)
17 May 1912Halifax, CAdaily rain37.3 mm (1.5 in)1.0 mm (0.04 in)37 years15 of 100 (Routine)
17 May 1912Helmond, NLdaily rain10.8 mm (0.4 in)4.4 mm (0.17 in)3 years13 of 100 (Routine)
17 May 1912Little Rock St Capitol, USdaily low min9.4 C (48.9 F)0.6 C (1.1 F)16 years9 of 100 (Routine)
17 May 1912Peterborough, CAdaily low max12.2 C (54.0 F)0.6 C (1.1 F)3 years5 of 100 (Routine)
17 May 1912Truro, CAdaily high min (Tie)12.8 C (55.0 F)tie32 years3 of 100 (Routine)
17 May 1912Bourke Post Office, AUdaily low min (Tie)3.3 C (37.9 F)tie10 years1 of 100 (Routine)
17 May 1912Inverell Comparison, AUdaily high max (Tie)24.4 C (75.9 F)tie11 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

1802 to 1912
Records on 05-17 in each year Records set or tied on this calendar date in each year from 1802 to 1912. 1912 had 16 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 1912. 1912 had 16 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 1912-05-17: 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).