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Built 2026-10-19 (19 October 2026)

Weather Records on 12 April 1917

33 weather records were set or tied worldwide on 12 April 1917. Highest significance: Moss Vale (Hoskins Street), AU.

Key Facts for 12 April 1917

  • On 12 April 1917, 33 weather records were set or tied at long-record stations worldwide.
  • 2 were record highs and 4 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 33 daily.
  • Moss Vale (Hoskins Street) set a daily record precipitation of 42.7 mm (1.7 in) on 12 April 1917.
  • Across 161 earlier years (1793 to 2026) the same calendar date averaged 505 records.

Record Map

33 stations
Weather records on 12 April 1917 33 station records on 12 April 1917 are marked on the map, coloured by record type.
33 station records on 12 April 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 12 April 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
Moss Vale (Hoskins Street)AustraliaRecord daily precipitation42.7 mm (1.7 in)34 of 100 (Routine)
Jamberoo (Lorna)AustraliaRecord daily precipitation66.8 mm (2.6 in)29 of 100 (Routine)
Botany No.1 DamAustraliaRecord daily precipitation42.7 mm (1.7 in)28 of 100 (Routine)
Nowra Council OfficesAustraliaRecord daily precipitation36.6 mm (1.4 in)28 of 100 (Routine)
ArmaghUnited KingdomRecord low minimum temperature-4.8 C (23.4 F)28 of 100 (Routine)
Bowral Post OfficeAustraliaRecord daily precipitation30.5 mm (1.2 in)27 of 100 (Routine)
GalwayIrelandRecord low maximum temperature7.8 C (46.0 F)23 of 100 (Routine)
Belltrees HomesteadAustraliaRecord daily precipitation36.6 mm (1.4 in)22 of 100 (Routine)
Cap ChatCanadaRecord daily snowfall5.1 cm (2.0 in)22 of 100 (Routine)
Dural Public SchoolAustraliaRecord daily precipitation25.9 mm (1.0 in)21 of 100 (Routine)
Milton Post OfficeAustraliaRecord daily precipitation34.3 mm (1.4 in)21 of 100 (Routine)
Den Helder-1NetherlandsRecord daily precipitation12.4 mm (0.5 in)20 of 100 (Routine)
Nemours (Ghazaouet)AlgeriaRecord low maximum temperature15.0 C (59.0 F)19 of 100 (Routine)
BromeCanadaRecord daily snowfall1.3 cm (0.5 in)17 of 100 (Routine)
Gosford (Gertrude Place)AustraliaRecord daily precipitation33.0 mm (1.3 in)16 of 100 (Routine)
Epping Chester StreetAustraliaRecord daily precipitation27.4 mm (1.1 in)16 of 100 (Routine)
Cataract RiverAustraliaRecord daily precipitation13.7 mm (0.5 in)16 of 100 (Routine)
Nelson Bay (Nelson Head)AustraliaRecord daily precipitation33.8 mm (1.3 in)14 of 100 (Routine)
Burwood 1AustraliaRecord daily precipitation24.1 mm (0.9 in)14 of 100 (Routine)
Berry Masonic VillageAustraliaRecord daily precipitation43.2 mm (1.7 in)14 of 100 (Routine)
Bodalla Post OfficeAustraliaRecord daily precipitation20.3 mm (0.8 in)14 of 100 (Routine)
Moruya Heads Pilot StationAustraliaRecord daily precipitation12.2 mm (0.5 in)13 of 100 (Routine)
Prospect ReservoirAustraliaRecord daily precipitation16.3 mm (0.6 in)12 of 100 (Routine)
Bombala (Therry Street)AustraliaRecord daily precipitation3.8 mm (0.15 in)12 of 100 (Routine)
Picton Council DepotAustraliaRecord daily precipitation7.9 mm (0.31 in)11 of 100 (Routine)
Candelo Post OfficeAustraliaRecord daily precipitation2.0 mm (0.08 in)11 of 100 (Routine)
Glenfield (Macquarie)AustraliaRecord daily precipitation15.2 mm (0.6 in)10 of 100 (Routine)
VestervigDenmarkRecord daily precipitation7.7 mm (0.30 in)9 of 100 (Routine)
State CollegeUnited StatesRecord high minimum temperature7.8 C (46.0 F)9 of 100 (Routine)
Bega (Newtown Road)AustraliaRecord daily precipitation11.4 mm (0.4 in)8 of 100 (Routine)
Waverley (Belltrees 2)AustraliaRecord daily precipitation11.9 mm (0.5 in)6 of 100 (Routine)
SheffieldUnited KingdomRecord low minimum temperature-1.7 C (28.9 F)5 of 100 (Routine)
Cape May 2 NWUnited StatesRecord high maximum temperature20.0 C (68.0 F)5 of 100 (Routine)

Counts by Type and Timescale

33 records
Records on 12 April 1917 by type Records set or tied on 12 April 1917 by type: Highest daily maximum 1, Lowest daily maximum 2, Highest daily minimum 1, Lowest daily minimum 2, Heaviest daily rainfall 25, Heaviest daily snowfall 2. 0102030Highest daily maximum: 1Lowest daily maximum: 2Highest daily minimum: 1Lowest daily minimum: 2Heaviest daily rainfall: 25Heaviest daily snowfall: 2Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 12 April 1917 by type: Highest daily maximum 1, Lowest daily maximum 2, Highest daily minimum 1, Lowest daily minimum 2, Heaviest daily rainfall 25, Heaviest daily snowfall 2.
Records on 12 April 1917 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum2
Highest daily minimum1
Lowest daily minimum2
Heaviest daily rainfall25
Heaviest daily snowfall2
Deepest snow cover0
Records on 12 April 1917 by timescale Records on 12 April 1917 by timescale: all-time 0, monthly 0, daily 33. 010203040all-time: 0monthly: 0daily: 33all-timemonthlydaily
Records on 12 April 1917 by timescale: all-time 0, monthly 0, daily 33.
Records on 12 April 1917 by timescale
TimescaleRecords
all-time0
monthly0
daily33

How Much Records Were Beaten By

33 broken records
Histogram of margins by which records were beaten on 12 April 1917 Margins by which the 33 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 51.0. Ties are not counted. 01020300 to 10: 2110 to 20: 420 to 30: 630 to 40: 040 to 50: 150 to 60: 10 to 1010 to 2020 to 3030 to 4040 to 5050 to 60
Margins by which the 33 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 51.0. Ties are not counted.
Histogram of margins by which records were beaten on 12 April 1917
MarginRecords
0 to 1021
10 to 204
20 to 306
30 to 400
40 to 501
50 to 601

Top 20 by Significance

12 April 1917
Top 20 records on 12 April 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
12 April 1917Moss Vale (Hoskins Street), AUdaily rain42.7 mm (1.7 in)24.9 mm (1.0 in)43 years34 of 100 (Routine)
12 April 1917Jamberoo (Lorna), AUdaily rain66.8 mm (2.6 in)41.4 mm (1.6 in)22 years29 of 100 (Routine)
12 April 1917Botany No.1 Dam, AUdaily rain42.7 mm (1.7 in)28.2 mm (1.1 in)29 years28 of 100 (Routine)
12 April 1917Nowra Council Offices, AUdaily rain36.6 mm (1.4 in)25.4 mm (1.0 in)29 years28 of 100 (Routine)
12 April 1917Armagh, GBdaily low min-4.8 C (23.4 F)2.5 C (4.5 F)40 years28 of 100 (Routine)
12 April 1917Bowral Post Office, AUdaily rain30.5 mm (1.2 in)24.9 mm (1.0 in)14 years27 of 100 (Routine)
12 April 1917Galway, IEdaily low max7.8 C (46.0 F)1.1 C (2.0 F)46 years23 of 100 (Routine)
12 April 1917Belltrees Homestead, AUdaily rain36.6 mm (1.4 in)16.8 mm (0.7 in)12 years22 of 100 (Routine)
12 April 1917Cap Chat, CAdaily snowfall5.1 cm (2.0 in)5.1 cm (2.0 in)32 years22 of 100 (Routine)
12 April 1917Dural Public School, AUdaily rain25.9 mm (1.0 in)15.7 mm (0.6 in)14 years21 of 100 (Routine)
12 April 1917Milton Post Office, AUdaily rain34.3 mm (1.4 in)22.1 mm (0.9 in)29 years21 of 100 (Routine)
12 April 1917Den Helder-1, NLdaily rain12.4 mm (0.5 in)3.3 mm (0.13 in)50 years20 of 100 (Routine)
12 April 1917Nemours (Ghazaouet), DZdaily low max15.0 C (59.0 F)2.0 C (3.6 F)28 years19 of 100 (Routine)
12 April 1917Brome, CAdaily snowfall1.3 cm (0.5 in)1.3 cm (0.5 in)39 years17 of 100 (Routine)
12 April 1917Gosford (Gertrude Place), AUdaily rain33.0 mm (1.3 in)20.8 mm (0.8 in)8 years16 of 100 (Routine)
12 April 1917Epping Chester Street, AUdaily rain27.4 mm (1.1 in)7.6 mm (0.30 in)29 years16 of 100 (Routine)
12 April 1917Cataract River, AUdaily rain13.7 mm (0.5 in)8.1 mm (0.32 in)29 years16 of 100 (Routine)
12 April 1917Nelson Bay (Nelson Head), AUdaily rain33.8 mm (1.3 in)4.1 mm (0.16 in)30 years14 of 100 (Routine)
12 April 1917Burwood 1, AUdaily rain24.1 mm (0.9 in)4.5 mm (0.18 in)29 years14 of 100 (Routine)
12 April 1917Berry Masonic Village, AUdaily rain43.2 mm (1.7 in)10.2 mm (0.4 in)29 years14 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 1917
Records on 04-12 in each year Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 33 records. 01,0002,0003,0004,0001793: 11805: 11810: 11812: 21817: 21826: 11831: 11845: 11850: 11854: 11865: 21866: 21868: 41869: 51871: 11873: 11874: 51876: 21877: 11878: 11879: 41881: 11882: 11885: 21889: 41890: 101891: 31892: 21893: 41894: 11895: 11896: 11897: 41898: 41899: 51900: 61901: 51902: 31903: 101904: 111905: 191906: 241907: 51908: 101909: 161910: 151911: 261912: 481913: 881914: 411915: 1251916: 371917: 331918: 401919: 391920: 1481921: 341922: 481923: 1341924: 691925: 1781926: 3471927: 1791928: 1451929: 1411930: 6381931: 2671932: 2531933: 5511934: 5311935: 1711936: 2771937: 2361938: 1751939: 1,1741940: 1,4071941: 8691942: 1911943: 6141944: 4231945: 8841946: 3471947: 7331948: 1,4961949: 3581950: 6381951: 1,1021952: 4551953: 7071954: 4241955: 6111956: 3821957: 9101958: 5421959: 5131960: 3141961: 5511962: 5101963: 5181964: 3631965: 6591966: 5201967: 6821968: 7171969: 3521970: 5681971: 5871972: 1,3161973: 9031974: 8221975: 7041976: 1,0761977: 1,0691978: 5331979: 1,0961980: 6111981: 1,0681982: 8521983: 8771984: 6711985: 7341986: 1,3501987: 6061988: 1,3691989: 1,8381990: 9461991: 1,4841992: 1,0001993: 5861994: 1,3751995: 1,1731996: 9941997: 3,0941998: 1,4091999: 8732000: 7842001: 1,3692002: 6002003: 1,0792004: 9642005: 5362006: 7962007: 1,1442008: 1,0152009: 8112010: 9352011: 1,0262012: 6662013: 1,0392014: 5972015: 5042016: 5952017: 5192018: 8682019: 6852020: 1,1502021: 7102022: 1,8622023: 1,2622024: 1,0862025: 1,2812026: 6221793187618991916193319501967198420012018
Records set or tied on this calendar date in each year from 1793 to 1917. 1917 had 33 records.
Counts for years before the ledger starts come from the same station rules.
Records on 04-12 in each year
YearRecords
17931
18051
18101
18122
18172
18261
18311
18451
18501
18541
18652
18662
18684
18695
18711
18731
18745
18762
18771
18781
18794
18811
18821
18852
18894
189010
18913
18922
18934
18941
18951
18961
18974
18984
18995
19006
19015
19023
190310
190411
190519
190624
19075
190810
190916
191015
191126
191248
191388
191441
1915125
191637
191733
191840
191939
1920148
192134
192248
1923134
192469
1925178
1926347
1927179
1928145
1929141
1930638
1931267
1932253
1933551
1934531
1935171
1936277
1937236
1938175
19391,174
19401,407
1941869
1942191
1943614
1944423
1945884
1946347
1947733
19481,496
1949358
1950638
19511,102
1952455
1953707
1954424
1955611
1956382
1957910
1958542
1959513
1960314
1961551
1962510
1963518
1964363
1965659
1966520
1967682
1968717
1969352
1970568
1971587
19721,316
1973903
1974822
1975704
19761,076
19771,069
1978533
19791,096
1980611
19811,068
1982852
1983877
1984671
1985734
19861,350
1987606
19881,369
19891,838
1990946
19911,484
19921,000
1993586
19941,375
19951,173
1996994
19973,094
19981,409
1999873
2000784
20011,369
2002600
20031,079
2004964
2005536
2006796
20071,144
20081,015
2009811
2010935
20111,026
2012666
20131,039
2014597
2015504
2016595
2017519
2018868
2019685
20201,150
2021710
20221,862
20231,262
20241,086
20251,281
2026622

Download the Data

  • Data for records on 1917-04-12: 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).