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Built 2026-10-19 (19 October 2026)

Weather Records on 17 May 1909

33 weather records were set or tied worldwide on 17 May 1909. Highest significance: Nora_D, SE.

Key Facts for 17 May 1909

  • On 17 May 1909, 33 weather records were set or tied at long-record stations worldwide.
  • 0 were record highs and 14 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 33 daily.
  • Nora_D set a daily record precipitation of 25.8 mm (1.0 in) on 17 May 1909.
  • Across 167 earlier years (1802 to 2026) the same calendar date averaged 437 records.

Record Map

33 stations
Weather records on 17 May 1909 33 station records on 17 May 1909 are marked on the map, coloured by record type.
33 station records on 17 May 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 17 May 1909: highest significance records shown on the map
StationCountryTypeValueSignificance
Nora_DSwedenRecord daily precipitation25.8 mm (1.0 in)28 of 100 (Routine)
AlburyAustraliaRecord daily precipitation28.7 mm (1.1 in)26 of 100 (Routine)
Maldon (Derby Hill)AustraliaRecord daily precipitation43.9 mm (1.7 in)26 of 100 (Routine)
Kiandra ChaletAustraliaRecord daily precipitation65.0 mm (2.6 in)24 of 100 (Routine)
Orange Post OfficeAustraliaRecord daily precipitation37.6 mm (1.5 in)21 of 100 (Routine)
VestervigDenmarkRecord daily precipitation19.9 mm (0.8 in)20 of 100 (Routine)
Murrurundi Post OfficeAustraliaRecord daily precipitation22.9 mm (0.9 in)20 of 100 (Routine)
PeterboroughCanadaRecord low maximum temperature12.8 C (55.0 F)18 of 100 (Routine)
LundSwedenRecord daily precipitation8.2 mm (0.32 in)18 of 100 (Routine)
Muswellbrook (Lower Hill St)AustraliaRecord daily precipitation15.2 mm (0.6 in)16 of 100 (Routine)
Koebenhavn - Meteorologisk InsDenmarkRecord daily precipitation7.1 mm (0.28 in)16 of 100 (Routine)
FalunSwedenRecord daily precipitation15.0 mm (0.6 in)16 of 100 (Routine)
VastervikSwedenRecord daily precipitation18.0 mm (0.7 in)16 of 100 (Routine)
VestervigDenmarkRecord low minimum temperature1.1 C (34.0 F)15 of 100 (Routine)
Nordby (Fano)DenmarkRecord daily precipitation10.4 mm (0.4 in)15 of 100 (Routine)
HelmondNetherlandsRecord daily precipitation6.4 mm (0.25 in)15 of 100 (Routine)
Scone (Philip Street)AustraliaRecord daily precipitation15.2 mm (0.6 in)13 of 100 (Routine)
SouthamptonCanadaRecord low maximum temperature6.7 C (44.1 F)13 of 100 (Routine)
CharlottetownCanadaRecord low minimum temperature-1.1 C (30.0 F)12 of 100 (Routine)
Dublin Phoenix ParkIrelandRecord low minimum temperature-0.2 C (31.6 F)12 of 100 (Routine)
KarlshamnSwedenRecord daily precipitation11.6 mm (0.5 in)11 of 100 (Routine)
Warialda Post OfficeAustraliaRecord daily precipitation16.5 mm (0.6 in)10 of 100 (Routine)
GravenhurstCanadaRecord low maximum temperature7.2 C (45.0 F)9 of 100 (Routine)
Cassilis Post OfficeAustraliaRecord daily precipitation11.4 mm (0.4 in)7 of 100 (Routine)
Owen SoundCanadaRecord low maximum temperature9.4 C (48.9 F)7 of 100 (Routine)
QuebecCanadaRecord low maximum temperature7.8 C (46.0 F)5 of 100 (Routine)
Forbes (Camp Street)AustraliaRecord low maximum temperature13.9 C (57.0 F)3 of 100 (Routine)
VestervigDenmarkRecord low maximum temperature5.8 C (42.4 F)3 of 100 (Routine)
SandvigDenmarkRecord daily precipitation3.8 mm (0.15 in)3 of 100 (Routine)
StonecliffeCanadaRecord low maximum temperature10.0 C (50.0 F)2 of 100 (Routine)
BeatriceCanadaRecord low maximum temperature7.8 C (46.0 F)2 of 100 (Routine)
DalhousieCanadaRecord low minimum temperature-1.7 C (28.9 F)2 of 100 (Routine)
Cape Otway LighthouseAustraliaRecord low maximum temperature12.8 C (55.0 F)1 of 100 (Routine)

Counts by Type and Timescale

33 records
Records on 17 May 1909 by type Records set or tied on 17 May 1909 by type: Lowest daily maximum 10, Lowest daily minimum 4, Heaviest daily rainfall 19. 05101520Highest daily maximum: 0Lowest daily maximum: 10Highest daily minimum: 0Lowest daily minimum: 4Heaviest daily rainfall: 19Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 17 May 1909 by type: Lowest daily maximum 10, Lowest daily minimum 4, Heaviest daily rainfall 19.
Records on 17 May 1909 by type
Record typeRecords
Highest daily maximum0
Lowest daily maximum10
Highest daily minimum0
Lowest daily minimum4
Heaviest daily rainfall19
Heaviest daily snowfall0
Deepest snow cover0
Records on 17 May 1909 by timescale Records on 17 May 1909 by timescale: all-time 0, monthly 0, daily 33. 010203040all-time: 0monthly: 0daily: 33all-timemonthlydaily
Records on 17 May 1909 by timescale: all-time 0, monthly 0, daily 33.
Records on 17 May 1909 by timescale
TimescaleRecords
all-time0
monthly0
daily33

How Much Records Were Beaten By

28 broken records
Histogram of margins by which records were beaten on 17 May 1909 Margins by which the 28 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 24.1. Ties are not counted. 051015200 to 5: 195 to 10: 410 to 15: 115 to 20: 320 to 25: 10 to 55 to 1010 to 1515 to 2020 to 25
Margins by which the 28 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 24.1. Ties are not counted.
Histogram of margins by which records were beaten on 17 May 1909
MarginRecords
0 to 519
5 to 104
10 to 151
15 to 203
20 to 251

Top 20 by Significance

17 May 1909
Top 20 records on 17 May 1909 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
17 May 1909Nora_D, SEdaily rain25.8 mm (1.0 in)9.3 mm (0.37 in)23 years28 of 100 (Routine)
17 May 1909Albury, AUdaily rain28.7 mm (1.1 in)6.6 mm (0.26 in)49 years26 of 100 (Routine)
17 May 1909Maldon (Derby Hill), AUdaily rain43.9 mm (1.7 in)16.7 mm (0.7 in)8 years26 of 100 (Routine)
17 May 1909Kiandra Chalet, AUdaily rain65.0 mm (2.6 in)24.1 mm (0.9 in)16 years24 of 100 (Routine)
17 May 1909Orange Post Office, AUdaily rain37.6 mm (1.5 in)18.8 mm (0.7 in)8 years21 of 100 (Routine)
17 May 1909Vestervig, DKdaily rain19.9 mm (0.8 in)11.1 mm (0.4 in)4 years20 of 100 (Routine)
17 May 1909Murrurundi Post Office, AUdaily rain22.9 mm (0.9 in)16.0 mm (0.6 in)25 years20 of 100 (Routine)
17 May 1909Peterborough, CAdaily low max12.8 C (55.0 F)1.6 C (2.9 F)41 years18 of 100 (Routine)
17 May 1909Lund, SEdaily rain8.2 mm (0.32 in)3.0 mm (0.12 in)27 years18 of 100 (Routine)
17 May 1909Muswellbrook (Lower Hill St), AUdaily rain15.2 mm (0.6 in)7.3 mm (0.29 in)16 years16 of 100 (Routine)
17 May 1909Koebenhavn - Meteorologisk Ins, DKdaily rain7.1 mm (0.28 in)1.7 mm (0.07 in)30 years16 of 100 (Routine)
17 May 1909Falun, SEdaily rain15.0 mm (0.6 in)1.0 mm (0.04 in)30 years16 of 100 (Routine)
17 May 1909Vastervik, SEdaily rain18.0 mm (0.7 in)2.3 mm (0.09 in)23 years16 of 100 (Routine)
17 May 1909Vestervig, DKdaily low min1.1 C (34.0 F)1.3 C (2.3 F)28 years15 of 100 (Routine)
17 May 1909Nordby (Fano), DKdaily rain10.4 mm (0.4 in)1.7 mm (0.07 in)27 years15 of 100 (Routine)
17 May 1909Helmond, NLdaily rain6.4 mm (0.25 in)0.3 mm (0.01 in)36 years15 of 100 (Routine)
17 May 1909Scone (Philip Street), AUdaily rain15.2 mm (0.6 in)5.0 mm (0.20 in)16 years13 of 100 (Routine)
17 May 1909Southampton, CAdaily low max6.7 C (44.1 F)0.5 C (0.9 F)34 years13 of 100 (Routine)
17 May 1909Charlottetown, CAdaily low min-1.1 C (30.0 F)0.5 C (0.9 F)26 years12 of 100 (Routine)
17 May 1909Dublin Phoenix Park, IEdaily low min-0.2 C (31.6 F)0.2 C (0.4 F)26 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

1802 to 1909
Records on 05-17 in each year Records set or tied on this calendar date in each year from 1802 to 1909. 1909 had 33 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 1909. 1909 had 33 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 1909-05-17: 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).