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Built 2026-10-19 (19 October 2026)

Weather Records on 23 May 1909

23 weather records were set or tied worldwide on 23 May 1909. Highest significance: Uccle, BE.

Key Facts for 23 May 1909

  • On 23 May 1909, 23 weather records were set or tied at long-record stations worldwide.
  • 4 were record highs and 12 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 23 daily.
  • Uccle set a daily record high maximum temperature of 29.5 C (85.1 F) on 23 May 1909.
  • Across 158 earlier years (1793 to 2026) the same calendar date averaged 466 records.

Record Map

23 stations
Weather records on 23 May 1909 23 station records on 23 May 1909 are marked on the map, coloured by record type.
23 station records on 23 May 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 23 May 1909: highest significance records shown on the map
StationCountryTypeValueSignificance
UccleBelgiumRecord high maximum temperature29.5 C (85.1 F)29 of 100 (Routine)
OxfordUnited KingdomRecord high minimum temperature12.9 C (55.2 F)27 of 100 (Routine)
Tulbagh (Pol)South AfricaRecord daily precipitation36.6 mm (1.4 in)22 of 100 (Routine)
Clanwilliam (Pol)South AfricaRecord daily precipitation21.3 mm (0.8 in)20 of 100 (Routine)
JamestownSouth AfricaRecord daily precipitation16.5 mm (0.6 in)17 of 100 (Routine)
Deniliquin (Wilkinson St)AustraliaRecord low maximum temperature11.0 C (51.8 F)14 of 100 (Routine)
DalhousieCanadaRecord low minimum temperature-2.8 C (27.0 F)14 of 100 (Routine)
Wilmington Wb CityUnited StatesRecord low maximum temperature15.6 C (60.1 F)14 of 100 (Routine)
World Trade CtrUnited StatesRecord low minimum temperature7.8 C (46.0 F)13 of 100 (Routine)
KarlsruheGermanyRecord high maximum temperature29.8 C (85.6 F)12 of 100 (Routine)
RobertsonSouth AfricaRecord daily precipitation17.8 mm (0.7 in)12 of 100 (Routine)
Middletown 4 WUnited StatesRecord low maximum temperature12.2 C (54.0 F)12 of 100 (Routine)
Royal ObservatorySouth AfricaRecord daily precipitation21.6 mm (0.9 in)10 of 100 (Routine)
Colesberg (Tnk)South AfricaRecord daily precipitation5.1 mm (0.20 in)9 of 100 (Routine)
Stornoway AirportUnited KingdomRecord high minimum temperature10.0 C (50.0 F)9 of 100 (Routine)
Fredericton UnbCanadaRecord low minimum temperature-1.1 C (30.0 F)5 of 100 (Routine)
San Diego WboUnited StatesRecord low maximum temperature15.6 C (60.1 F)5 of 100 (Routine)
Winnemucca APUnited StatesRecord low maximum temperature11.7 C (53.1 F)5 of 100 (Routine)
HalifaxCanadaRecord low maximum temperature8.3 C (46.9 F)3 of 100 (Routine)
Pointe Au PereCanadaRecord low minimum temperature-1.1 C (30.0 F)1 of 100 (Routine)
Beaufort West (Met)South AfricaRecord daily precipitation6.4 mm (0.25 in)1 of 100 (Routine)
Middletown 4 WUnited StatesRecord low minimum temperature3.3 C (37.9 F)1 of 100 (Routine)
Portland Rfc CityUnited StatesRecord low minimum temperature5.0 C (41.0 F)1 of 100 (Routine)

Counts by Type and Timescale

23 records
Records on 23 May 1909 by type Records set or tied on 23 May 1909 by type: Highest daily maximum 2, Lowest daily maximum 6, Highest daily minimum 2, Lowest daily minimum 6, Heaviest daily rainfall 7. 02468Highest daily maximum: 2Lowest daily maximum: 6Highest daily minimum: 2Lowest daily minimum: 6Heaviest daily rainfall: 7Heaviest daily snowfall: 0Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 23 May 1909 by type: Highest daily maximum 2, Lowest daily maximum 6, Highest daily minimum 2, Lowest daily minimum 6, Heaviest daily rainfall 7.
Records on 23 May 1909 by type
Record typeRecords
Highest daily maximum2
Lowest daily maximum6
Highest daily minimum2
Lowest daily minimum6
Heaviest daily rainfall7
Heaviest daily snowfall0
Deepest snow cover0
Records on 23 May 1909 by timescale Records on 23 May 1909 by timescale: all-time 0, monthly 0, daily 23. 0102030all-time: 0monthly: 0daily: 23all-timemonthlydaily
Records on 23 May 1909 by timescale: all-time 0, monthly 0, daily 23.
Records on 23 May 1909 by timescale
TimescaleRecords
all-time0
monthly0
daily23

How Much Records Were Beaten By

18 broken records
Histogram of margins by which records were beaten on 23 May 1909 Margins by which the 18 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 15.3. Ties are not counted. 0358100 to 2: 92 to 4: 54 to 6: 16 to 8: 08 to 10: 210 to 12: 012 to 14: 014 to 16: 10 to 22 to 44 to 66 to 88 to 1010 to 1212 to 1414 to 16
Margins by which the 18 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 15.3. Ties are not counted.
Histogram of margins by which records were beaten on 23 May 1909
MarginRecords
0 to 29
2 to 45
4 to 61
6 to 80
8 to 102
10 to 120
12 to 140
14 to 161

Top 20 by Significance

23 May 1909
Top 20 records on 23 May 1909 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
23 May 1909Uccle, BEdaily high max29.5 C (85.1 F)2.1 C (3.8 F)61 years29 of 100 (Routine)
23 May 1909Oxford, GBdaily high min12.9 C (55.2 F)0.1 C (0.2 F)61 years27 of 100 (Routine)
23 May 1909Tulbagh (Pol), ZAdaily rain36.6 mm (1.4 in)15.3 mm (0.6 in)13 years22 of 100 (Routine)
23 May 1909Clanwilliam (Pol), ZAdaily rain21.3 mm (0.8 in)8.6 mm (0.34 in)16 years20 of 100 (Routine)
23 May 1909Jamestown, ZAdaily rain16.5 mm (0.6 in)8.9 mm (0.35 in)14 years17 of 100 (Routine)
23 May 1909Deniliquin (Wilkinson St), AUdaily low max11.0 C (51.8 F)2.3 C (4.1 F)12 years14 of 100 (Routine)
23 May 1909Dalhousie, CAdaily low min-2.8 C (27.0 F)1.1 C (2.0 F)29 years14 of 100 (Routine)
23 May 1909Wilmington Wb City, USdaily low max15.6 C (60.1 F)3.3 C (5.9 F)9 years14 of 100 (Routine)
23 May 1909World Trade Ctr, USdaily low min7.8 C (46.0 F)0.5 C (0.9 F)32 years13 of 100 (Routine)
23 May 1909Karlsruhe, DEdaily high max29.8 C (85.6 F)1.8 C (3.2 F)22 years12 of 100 (Routine)
23 May 1909Robertson, ZAdaily rain17.8 mm (0.7 in)3.6 mm (0.14 in)13 years12 of 100 (Routine)
23 May 1909Middletown 4 W, USdaily low max12.2 C (54.0 F)5.0 C (9.0 F)2 years12 of 100 (Routine)
23 May 1909Royal Observatory, ZAdaily rain21.6 mm (0.9 in)0.8 mm (0.03 in)13 years10 of 100 (Routine)
23 May 1909Colesberg (Tnk), ZAdaily rain5.1 mm (0.20 in)2.6 mm (0.10 in)10 years9 of 100 (Routine)
23 May 1909Stornoway Airport, GBdaily high min10.0 C (50.0 F)0.6 C (1.1 F)15 years9 of 100 (Routine)
23 May 1909Fredericton Unb, CAdaily low min-1.1 C (30.0 F)0.5 C (0.9 F)4 years5 of 100 (Routine)
23 May 1909San Diego Wbo, USdaily low max15.6 C (60.1 F)0.5 C (0.9 F)0 years5 of 100 (Routine)
23 May 1909Winnemucca AP, USdaily low max11.7 C (53.1 F)1.1 C (2.0 F)6 years5 of 100 (Routine)
23 May 1909Halifax, CAdaily low max (Tie)8.3 C (46.9 F)tie36 years3 of 100 (Routine)
23 May 1909Pointe Au Pere, CAdaily low min (Tie)-1.1 C (30.0 F)tie6 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

1793 to 1909
Records on 05-23 in each year Records set or tied on this calendar date in each year from 1793 to 1909. 1909 had 23 records. 05001,0001,5002,0001793: 11794: 11798: 11817: 11818: 11837: 31845: 11847: 21857: 11863: 11865: 21866: 51867: 71870: 21871: 11875: 11877: 11878: 11880: 11884: 21885: 21886: 41887: 11889: 21891: 111893: 31894: 11895: 31896: 41897: 31898: 81899: 31900: 121901: 31902: 121903: 61904: 141905: 101906: 231907: 111908: 131909: 231910: 261911: 391912: 311913: 291914: 331915: 131916: 441917: 581918: 361919: 1201920: 371921: 921922: 821923: 991924: 2301925: 3251926: 2041927: 2431928: 1771929: 2211930: 1991931: 7191932: 3581933: 4431934: 2031935: 3691936: 5681937: 1561938: 3901939: 4151940: 3241941: 6761942: 2351943: 3421944: 7841945: 2411946: 3111947: 2851948: 2731949: 6121950: 4901951: 4001952: 5971953: 7771954: 4961955: 6501956: 4981957: 6531958: 7441959: 4861960: 3951961: 4121962: 6771963: 1,1531964: 9641965: 4771966: 3911967: 1,0551968: 5781969: 4371970: 3141971: 6591972: 4491973: 3711974: 6781975: 8551976: 5561977: 5961978: 7031979: 7301980: 1,2021981: 8621982: 7171983: 1,1231984: 1,0271985: 6081986: 6261987: 7451988: 6621989: 1,1061990: 1,6601991: 1,2441992: 1,4231993: 8451994: 6901995: 1,1061996: 1,1141997: 9831998: 9471999: 7052000: 1,3722001: 1,4412002: 1,5372003: 9542004: 1,2752005: 9082006: 1,1222007: 1,1702008: 1,4722009: 8052010: 1,2752011: 1,0012012: 1,0062013: 9292014: 8582015: 6672016: 6792017: 6022018: 5522019: 1,0442020: 6312021: 8372022: 8072023: 3162024: 7602025: 8652026: 8041793187719001916193219481964198019962012
Records set or tied on this calendar date in each year from 1793 to 1909. 1909 had 23 records.
Counts for years before the ledger starts come from the same station rules.
Records on 05-23 in each year
YearRecords
17931
17941
17981
18171
18181
18373
18451
18472
18571
18631
18652
18665
18677
18702
18711
18751
18771
18781
18801
18842
18852
18864
18871
18892
189111
18933
18941
18953
18964
18973
18988
18993
190012
19013
190212
19036
190414
190510
190623
190711
190813
190923
191026
191139
191231
191329
191433
191513
191644
191758
191836
1919120
192037
192192
192282
192399
1924230
1925325
1926204
1927243
1928177
1929221
1930199
1931719
1932358
1933443
1934203
1935369
1936568
1937156
1938390
1939415
1940324
1941676
1942235
1943342
1944784
1945241
1946311
1947285
1948273
1949612
1950490
1951400
1952597
1953777
1954496
1955650
1956498
1957653
1958744
1959486
1960395
1961412
1962677
19631,153
1964964
1965477
1966391
19671,055
1968578
1969437
1970314
1971659
1972449
1973371
1974678
1975855
1976556
1977596
1978703
1979730
19801,202
1981862
1982717
19831,123
19841,027
1985608
1986626
1987745
1988662
19891,106
19901,660
19911,244
19921,423
1993845
1994690
19951,106
19961,114
1997983
1998947
1999705
20001,372
20011,441
20021,537
2003954
20041,275
2005908
20061,122
20071,170
20081,472
2009805
20101,275
20111,001
20121,006
2013929
2014858
2015667
2016679
2017602
2018552
20191,044
2020631
2021837
2022807
2023316
2024760
2025865
2026804

Download the Data

  • Data for records on 1909-05-23: 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).