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Weather Records on 15 April 1909

18 weather records were set or tied worldwide on 15 April 1909. Highest significance: Fredericton Unb, CA.

Key Facts for 15 April 1909

  • On 15 April 1909, 18 weather records were set or tied at long-record stations worldwide.
  • 7 were record highs and 4 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 1 monthly and 17 daily.
  • Fredericton Unb set a daily record precipitation of 45.7 mm (1.8 in) on 15 April 1909.
  • Across 159 earlier years (1801 to 2026) the same calendar date averaged 496 records.

Record Map

18 stations
Weather records on 15 April 1909 18 station records on 15 April 1909 are marked on the map, coloured by record type.
18 station records on 15 April 1909 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 15 April 1909: highest significance records shown on the map
StationCountryTypeValueSignificance
Fredericton UnbCanadaRecord daily precipitation45.7 mm (1.8 in)43 of 100 (Notable)
Middletown 4 WUnited StatesRecord daily precipitation79.8 mm (3.1 in)42 of 100 (Notable)
SydneyCanadaRecord high maximum temperature19.4 C (66.9 F)22 of 100 (Routine)
DalhousieCanadaRecord daily precipitation21.6 mm (0.9 in)20 of 100 (Routine)
Oran-Hopital MilitaireAlgeriaRecord low minimum temperature7.0 C (44.6 F)20 of 100 (Routine)
HalifaxCanadaRecord high minimum temperature7.2 C (45.0 F)20 of 100 (Routine)
TruroCanadaRecord high minimum temperature10.0 C (50.0 F)20 of 100 (Routine)
Saint JohnCanadaRecord daily precipitation51.6 mm (2.0 in)17 of 100 (Routine)
ChathamCanadaRecord daily precipitation32.0 mm (1.3 in)16 of 100 (Routine)
DalhousieCanadaRecord daily snowfall10.2 cm (4.0 in)16 of 100 (Routine)
MilanItalyRecord high maximum temperature26.6 C (79.9 F)16 of 100 (Routine)
Koebenhavn: Landbohojskolen-1DenmarkRecord low maximum temperature4.9 C (40.8 F)9 of 100 (Routine)
St John'sCanadaRecord high maximum temperature12.2 C (54.0 F)8 of 100 (Routine)
TruroCanadaRecord high maximum temperature17.8 C (64.0 F)7 of 100 (Routine)
VestervigDenmarkRecord low maximum temperature2.7 C (36.9 F)7 of 100 (Routine)
BambergGermanyRecord daily precipitation3.4 mm (0.13 in)6 of 100 (Routine)
Walgett Council DepotAustraliaRecord low minimum temperature8.3 C (46.9 F)1 of 100 (Routine)
SydneyCanadaRecord high minimum temperature3.3 C (37.9 F)1 of 100 (Routine)

Counts by Type and Timescale

18 records
Records on 15 April 1909 by type Records set or tied on 15 April 1909 by type: Highest daily maximum 4, Lowest daily maximum 2, Highest daily minimum 3, Lowest daily minimum 2, Heaviest daily rainfall 6, Heaviest daily snowfall 1. 0246Highest daily maximum: 4Lowest daily maximum: 2Highest daily minimum: 3Lowest daily minimum: 2Heaviest daily rainfall: 6Heaviest daily snowfall: 1Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 15 April 1909 by type: Highest daily maximum 4, Lowest daily maximum 2, Highest daily minimum 3, Lowest daily minimum 2, Heaviest daily rainfall 6, Heaviest daily snowfall 1.
Records on 15 April 1909 by type
Record typeRecords
Highest daily maximum4
Lowest daily maximum2
Highest daily minimum3
Lowest daily minimum2
Heaviest daily rainfall6
Heaviest daily snowfall1
Deepest snow cover0
Records on 15 April 1909 by timescale Records on 15 April 1909 by timescale: all-time 0, monthly 1, daily 17. 05101520all-time: 0monthly: 1daily: 17all-timemonthlydaily
Records on 15 April 1909 by timescale: all-time 0, monthly 1, daily 17.
Records on 15 April 1909 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 15 April 1909 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 51.1. Ties are not counted. 0510150 to 10: 1210 to 20: 120 to 30: 030 to 40: 140 to 50: 050 to 60: 20 to 1010 to 2020 to 3030 to 4040 to 5050 to 60
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 51.1. Ties are not counted.
Histogram of margins by which records were beaten on 15 April 1909
MarginRecords
0 to 1012
10 to 201
20 to 300
30 to 401
40 to 500
50 to 602

Top 20 by Significance

15 April 1909
Top 18 records on 15 April 1909 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
15 April 1909Fredericton Unb, CAdaily rain45.7 mm (1.8 in)31.7 mm (1.2 in)11 years43 of 100 (Notable)
15 April 1909Middletown 4 W, USdaily rain79.8 mm (3.1 in)51.1 mm (2.0 in)3 years42 of 100 (Notable)
15 April 1909Sydney, CAdaily high max19.4 C (66.9 F)7.2 C (13.0 F)11 years22 of 100 (Routine)
15 April 1909Dalhousie, CAdaily rain21.6 mm (0.9 in)14.7 mm (0.6 in)32 years20 of 100 (Routine)
15 April 1909Oran-Hopital Militaire, DZdaily low min7.0 C (44.6 F)0.5 C (0.9 F)45 years20 of 100 (Routine)
15 April 1909Halifax, CAdaily high min7.2 C (45.0 F)4.4 C (7.9 F)10 years20 of 100 (Routine)
15 April 1909Truro, CAdaily high min10.0 C (50.0 F)6.1 C (11.0 F)11 years20 of 100 (Routine)
15 April 1909Saint John, CAmonthly rain51.6 mm (2.0 in)2.8 mm (0.11 in)6 years17 of 100 (Routine)
15 April 1909Chatham, CAdaily rain32.0 mm (1.3 in)6.6 mm (0.26 in)13 years16 of 100 (Routine)
15 April 1909Dalhousie, CAdaily snowfall10.2 cm (4.0 in)5.1 cm (2.0 in)22 years16 of 100 (Routine)
15 April 1909Milan, ITdaily high max26.6 C (79.9 F)1.6 C (2.9 F)8 years16 of 100 (Routine)
15 April 1909Koebenhavn: Landbohojskolen-1, DKdaily low max4.9 C (40.8 F)0.1 C (0.2 F)21 years9 of 100 (Routine)
15 April 1909St John's, CAdaily high max12.2 C (54.0 F)1.6 C (2.9 F)8 years8 of 100 (Routine)
15 April 1909Truro, CAdaily high max17.8 C (64.0 F)1.1 C (2.0 F)8 years7 of 100 (Routine)
15 April 1909Vestervig, DKdaily low max2.7 C (36.9 F)0.9 C (1.6 F)8 years7 of 100 (Routine)
15 April 1909Bamberg, DEdaily rain3.4 mm (0.13 in)0.1 mm (0.00 in)11 years6 of 100 (Routine)
15 April 1909Walgett Council Depot, AUdaily low min (Tie)8.3 C (46.9 F)tie12 years1 of 100 (Routine)
15 April 1909Sydney, CAdaily high min (Tie)3.3 C (37.9 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

1801 to 1909
Records on 04-15 in each year Records set or tied on this calendar date in each year from 1801 to 1909. 1909 had 18 records. 05001,0001,5002,0001801: 11817: 11820: 11844: 11845: 11847: 11849: 11853: 21855: 21858: 11862: 31865: 31866: 11868: 11869: 21873: 11874: 11876: 11880: 11882: 11885: 31886: 11887: 31889: 21890: 31891: 21892: 81893: 21894: 11896: 21897: 11898: 21899: 41900: 91901: 21902: 41903: 81904: 391905: 111906: 201907: 181908: 151909: 181910: 161911: 201912: 241913: 391914: 171915: 131916: 151917: 351918: 401919: 221920: 501921: 591922: 941923: 1781924: 1721925: 1681926: 4531927: 3211928: 6311929: 911930: 2891931: 3881932: 1501933: 3001934: 3391935: 5151936: 4391937: 2771938: 5961939: 7891940: 5811941: 6281942: 5251943: 1,0371944: 3131945: 7831946: 2451947: 5321948: 3061949: 4191950: 5681951: 5041952: 3571953: 4751954: 8961955: 4841956: 7501957: 3781958: 4581959: 3141960: 3191961: 8771962: 7331963: 7141964: 3821965: 5041966: 4641967: 5991968: 4761969: 5551970: 8411971: 6401972: 8961973: 6671974: 3851975: 7801976: 1,5661977: 6491978: 4261979: 3701980: 1,0661981: 7241982: 9551983: 1,3431984: 6121985: 7881986: 1,1401987: 5791988: 8391989: 8361990: 8371991: 7691992: 7831993: 1,1561994: 8351995: 8051996: 1,1731997: 1,0311998: 1,7521999: 1,2492000: 1,1632001: 1,0432002: 1,8662003: 1,7602004: 7612005: 5832006: 1,6372007: 1,7762008: 1,1572009: 8532010: 8042011: 1,1622012: 1,0072013: 1,1462014: 1,7212015: 7392016: 6022017: 4742018: 1,9132019: 6102020: 1,0682021: 4942022: 1,1452023: 9122024: 1,0962025: 8602026: 1,1181801187418991915193119471963197919952011
Records set or tied on this calendar date in each year from 1801 to 1909. 1909 had 18 records.
Counts for years before the ledger starts come from the same station rules.
Records on 04-15 in each year
YearRecords
18011
18171
18201
18441
18451
18471
18491
18532
18552
18581
18623
18653
18661
18681
18692
18731
18741
18761
18801
18821
18853
18861
18873
18892
18903
18912
18928
18932
18941
18962
18971
18982
18994
19009
19012
19024
19038
190439
190511
190620
190718
190815
190918
191016
191120
191224
191339
191417
191513
191615
191735
191840
191922
192050
192159
192294
1923178
1924172
1925168
1926453
1927321
1928631
192991
1930289
1931388
1932150
1933300
1934339
1935515
1936439
1937277
1938596
1939789
1940581
1941628
1942525
19431,037
1944313
1945783
1946245
1947532
1948306
1949419
1950568
1951504
1952357
1953475
1954896
1955484
1956750
1957378
1958458
1959314
1960319
1961877
1962733
1963714
1964382
1965504
1966464
1967599
1968476
1969555
1970841
1971640
1972896
1973667
1974385
1975780
19761,566
1977649
1978426
1979370
19801,066
1981724
1982955
19831,343
1984612
1985788
19861,140
1987579
1988839
1989836
1990837
1991769
1992783
19931,156
1994835
1995805
19961,173
19971,031
19981,752
19991,249
20001,163
20011,043
20021,866
20031,760
2004761
2005583
20061,637
20071,776
20081,157
2009853
2010804
20111,162
20121,007
20131,146
20141,721
2015739
2016602
2017474
20181,913
2019610
20201,068
2021494
20221,145
2023912
20241,096
2025860
20261,118

Download the Data

  • Data for records on 1909-04-15: 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).