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Built 2026-10-19 (19 October 2026)

Weather Records on 17 May 1903

9 weather records were set or tied worldwide on 17 May 1903. Highest significance: Newcastle Nobbys Signal Statio, AU.

Key Facts for 17 May 1903

  • On 17 May 1903, 9 weather records were set or tied at long-record stations worldwide.
  • 6 were record highs and 0 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 9 daily.
  • Newcastle Nobbys Signal Statio set a daily record precipitation of 29.2 mm (1.1 in) on 17 May 1903.
  • Across 167 earlier years (1802 to 2026) the same calendar date averaged 437 records.

Record Map

9 stations
Weather records on 17 May 1903 9 station records on 17 May 1903 are marked on the map, coloured by record type.
9 station records on 17 May 1903 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 17 May 1903: highest significance records shown on the map
StationCountryTypeValueSignificance
Newcastle Nobbys Signal StatioAustraliaRecord daily precipitation29.2 mm (1.1 in)19 of 100 (Routine)
Winnipeg St Johns CollCanadaRecord daily precipitation22.9 mm (0.9 in)12 of 100 (Routine)
ConcordUnited StatesRecord high maximum temperature29.4 C (84.9 F)10 of 100 (Routine)
Kingston Queens UCanadaRecord high minimum temperature12.2 C (54.0 F)2 of 100 (Routine)
PeterboroughCanadaRecord high maximum temperature28.9 C (84.0 F)2 of 100 (Routine)
ChathamCanadaRecord high maximum temperature28.9 C (84.0 F)1 of 100 (Routine)
SydneyCanadaRecord high maximum temperature23.3 C (73.9 F)1 of 100 (Routine)
TranebjergDenmarkRecord daily precipitation6.8 mm (0.27 in)1 of 100 (Routine)
Toledo BladeUnited StatesRecord high maximum temperature31.1 C (88.0 F)1 of 100 (Routine)

Counts by Type and Timescale

9 records
Records on 17 May 1903 by type Records set or tied on 17 May 1903 by type: Highest daily maximum 5, Highest daily minimum 1, Heaviest daily rainfall 3. 0246Highest daily maximum: 5Lowest daily maximum: 0Highest daily minimum: 1Lowest daily minimum: 0Heaviest daily rainfall: 3Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 17 May 1903 by type: Highest daily maximum 5, Highest daily minimum 1, Heaviest daily rainfall 3.
Records on 17 May 1903 by type
Record typeRecords
Highest daily maximum5
Lowest daily maximum0
Highest daily minimum1
Lowest daily minimum0
Heaviest daily rainfall3
Heaviest daily snowfall0
Deepest snow cover0
Records on 17 May 1903 by timescale Records on 17 May 1903 by timescale: all-time 0, monthly 0, daily 9. 035810all-time: 0monthly: 0daily: 9all-timemonthlydaily
Records on 17 May 1903 by timescale: all-time 0, monthly 0, daily 9.
Records on 17 May 1903 by timescale
TimescaleRecords
all-time0
monthly0
daily9

How Much Records Were Beaten By

3 broken records
Histogram of margins by which records were beaten on 17 May 1903 Margins by which the 3 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 14.0. Ties are not counted. 001110 to 2: 12 to 4: 04 to 6: 16 to 8: 08 to 10: 010 to 12: 012 to 14: 10 to 22 to 44 to 66 to 88 to 1010 to 1212 to 14
Margins by which the 3 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 14.0. Ties are not counted.
Histogram of margins by which records were beaten on 17 May 1903
MarginRecords
0 to 21
2 to 40
4 to 61
6 to 80
8 to 100
10 to 120
12 to 141

Top 20 by Significance

17 May 1903
Top 9 records on 17 May 1903 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
17 May 1903Newcastle Nobbys Signal Statio, AUdaily rain29.2 mm (1.1 in)14.0 mm (0.6 in)26 years19 of 100 (Routine)
17 May 1903Winnipeg St Johns Coll, CAdaily rain22.9 mm (0.9 in)5.4 mm (0.21 in)6 years12 of 100 (Routine)
17 May 1903Concord, USdaily high max29.4 C (84.9 F)1.1 C (2.0 F)22 years10 of 100 (Routine)
17 May 1903Kingston Queens U, CAdaily high min (Tie)12.2 C (54.0 F)tie22 years2 of 100 (Routine)
17 May 1903Peterborough, CAdaily high max (Tie)28.9 C (84.0 F)tie22 years2 of 100 (Routine)
17 May 1903Chatham, CAdaily high max (Tie)28.9 C (84.0 F)tie6 years1 of 100 (Routine)
17 May 1903Sydney, CAdaily high max (Tie)23.3 C (73.9 F)tie6 years1 of 100 (Routine)
17 May 1903Tranebjerg, DKdaily rain (Tie)6.8 mm (0.27 in)tie15 years1 of 100 (Routine)
17 May 1903Toledo Blade, USdaily high max (Tie)31.1 C (88.0 F)tie13 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 1903
Records on 05-17 in each year Records set or tied on this calendar date in each year from 1802 to 1903. 1903 had 9 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 1903. 1903 had 9 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 1903-05-17: 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).