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Weather Records on 18 April 1912

21 weather records were set or tied worldwide on 18 April 1912. Highest significance: Stonecliffe, CA.

Key Facts for 18 April 1912

  • On 18 April 1912, 21 weather records were set or tied at long-record stations worldwide.
  • 10 were record highs and 3 were record lows, counting maximum and minimum temperature.
  • By timescale, 0 were all-time records, 0 monthly and 21 daily.
  • Stonecliffe set a daily record snowfall of 4.1 cm (1.6 in) on 18 April 1912.
  • Across 160 earlier years (1793 to 2026) the same calendar date averaged 470 records.

Record Map

21 stations
Weather records on 18 April 1912 21 station records on 18 April 1912 are marked on the map, coloured by record type.
21 station records on 18 April 1912 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 18 April 1912: highest significance records shown on the map
StationCountryTypeValueSignificance
StonecliffeCanadaRecord daily snowfall4.1 cm (1.6 in)20 of 100 (Routine)
PortlandUnited StatesRecord daily precipitation20.1 mm (0.8 in)18 of 100 (Routine)
IrkutskRussiaRecord daily precipitation5.0 mm (0.20 in)14 of 100 (Routine)
SvegSwedenRecord high maximum temperature13.0 C (55.4 F)13 of 100 (Routine)
UmeaSwedenRecord high maximum temperature13.1 C (55.6 F)13 of 100 (Routine)
Point ClarkCanadaRecord daily precipitation16.3 mm (0.6 in)11 of 100 (Routine)
DalhousieCanadaRecord low maximum temperature0.6 C (33.1 F)11 of 100 (Routine)
VestervigDenmarkRecord high maximum temperature15.5 C (59.9 F)11 of 100 (Routine)
HaparandaSwedenRecord high maximum temperature9.0 C (48.2 F)11 of 100 (Routine)
HarnosandSwedenRecord high maximum temperature13.0 C (55.4 F)11 of 100 (Routine)
HalmstadSwedenRecord high maximum temperature17.0 C (62.6 F)10 of 100 (Routine)
Wilmington Wb CityUnited StatesRecord high minimum temperature18.9 C (66.0 F)9 of 100 (Routine)
St ArnaudAustraliaRecord daily precipitation3.6 mm (0.14 in)7 of 100 (Routine)
Grand MananCanadaRecord daily precipitation19.1 mm (0.8 in)7 of 100 (Routine)
Binya (Merribee)AustraliaRecord daily precipitation3.8 mm (0.15 in)4 of 100 (Routine)
HaparandaSwedenRecord high minimum temperature0.8 C (33.4 F)3 of 100 (Routine)
Chattanooga Wb CityUnited StatesRecord low maximum temperature15.0 C (59.0 F)3 of 100 (Routine)
CottamCanadaRecord daily precipitation10.7 mm (0.4 in)1 of 100 (Routine)
TranebjergDenmarkRecord high maximum temperature14.6 C (58.3 F)1 of 100 (Routine)
Madison Wb CityUnited StatesRecord low minimum temperature-2.2 C (28.0 F)1 of 100 (Routine)
PiteaSwedenRecord high minimum temperature0.5 C (32.9 F)0 of 100 (Routine)

Counts by Type and Timescale

21 records
Records on 18 April 1912 by type Records set or tied on 18 April 1912 by type: Highest daily maximum 7, Lowest daily maximum 2, Highest daily minimum 3, Lowest daily minimum 1, Heaviest daily rainfall 7, Heaviest daily snowfall 1. 02468Highest daily maximum: 7Lowest daily maximum: 2Highest daily minimum: 3Lowest daily minimum: 1Heaviest daily rainfall: 7Heaviest daily snowfall: 1Deepest snow cover: 0Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 18 April 1912 by type: Highest daily maximum 7, Lowest daily maximum 2, Highest daily minimum 3, Lowest daily minimum 1, Heaviest daily rainfall 7, Heaviest daily snowfall 1.
Records on 18 April 1912 by type
Record typeRecords
Highest daily maximum7
Lowest daily maximum2
Highest daily minimum3
Lowest daily minimum1
Heaviest daily rainfall7
Heaviest daily snowfall1
Deepest snow cover0
Records on 18 April 1912 by timescale Records on 18 April 1912 by timescale: all-time 0, monthly 0, daily 21. 0102030all-time: 0monthly: 0daily: 21all-timemonthlydaily
Records on 18 April 1912 by timescale: all-time 0, monthly 0, daily 21.
Records on 18 April 1912 by timescale
TimescaleRecords
all-time0
monthly0
daily21

How Much Records Were Beaten By

16 broken records
Histogram of margins by which records were beaten on 18 April 1912 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 41.0. Ties are not counted. 0510150 to 10: 1510 to 20: 020 to 30: 030 to 40: 040 to 50: 10 to 1010 to 2020 to 3030 to 4040 to 50
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 41.0. Ties are not counted.
Histogram of margins by which records were beaten on 18 April 1912
MarginRecords
0 to 1015
10 to 200
20 to 300
30 to 400
40 to 501

Top 20 by Significance

18 April 1912
Top 20 records on 18 April 1912 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
18 April 1912Stonecliffe, CAdaily snowfall4.1 cm (1.6 in)4.1 cm (1.6 in)34 years20 of 100 (Routine)
18 April 1912Portland, USdaily rain20.1 mm (0.8 in)6.1 mm (0.24 in)27 years18 of 100 (Routine)
18 April 1912Irkutsk, RUdaily rain5.0 mm (0.20 in)2.7 mm (0.11 in)6 years14 of 100 (Routine)
18 April 1912Sveg, SEdaily high max13.0 C (55.4 F)1.0 C (1.8 F)28 years13 of 100 (Routine)
18 April 1912Umea, SEdaily high max13.1 C (55.6 F)1.1 C (2.0 F)24 years13 of 100 (Routine)
18 April 1912Point Clark, CAdaily rain16.3 mm (0.6 in)3.6 mm (0.14 in)12 years11 of 100 (Routine)
18 April 1912Dalhousie, CAdaily low max0.6 C (33.1 F)0.5 C (0.9 F)24 years11 of 100 (Routine)
18 April 1912Vestervig, DKdaily high max15.5 C (59.9 F)0.1 C (0.2 F)28 years11 of 100 (Routine)
18 April 1912Haparanda, SEdaily high max9.0 C (48.2 F)1.5 C (2.7 F)14 years11 of 100 (Routine)
18 April 1912Harnosand, SEdaily high max13.0 C (55.4 F)0.5 C (0.9 F)24 years11 of 100 (Routine)
18 April 1912Halmstad, SEdaily high max17.0 C (62.6 F)2.0 C (3.6 F)8 years10 of 100 (Routine)
18 April 1912Wilmington Wb City, USdaily high min18.9 C (66.0 F)0.6 C (1.1 F)15 years9 of 100 (Routine)
18 April 1912St Arnaud, AUdaily rain3.6 mm (0.14 in)0.8 mm (0.03 in)13 years7 of 100 (Routine)
18 April 1912Grand Manan, CAdaily rain19.1 mm (0.8 in)1.3 mm (0.05 in)12 years7 of 100 (Routine)
18 April 1912Binya (Merribee), AUdaily rain3.8 mm (0.15 in)1.5 mm (0.06 in)3 years4 of 100 (Routine)
18 April 1912Haparanda, SEdaily high min0.8 C (33.4 F)0.3 C (0.5 F)2 years3 of 100 (Routine)
18 April 1912Chattanooga Wb City, USdaily low max (Tie)15.0 C (59.0 F)tie32 years3 of 100 (Routine)
18 April 1912Cottam, CAdaily rain (Tie)10.7 mm (0.4 in)tie11 years1 of 100 (Routine)
18 April 1912Tranebjerg, DKdaily high max (Tie)14.6 C (58.3 F)tie1 year1 of 100 (Routine)
18 April 1912Madison Wb City, USdaily low min (Tie)-2.2 C (28.0 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

1793 to 1912
Records on 04-18 in each year Records set or tied on this calendar date in each year from 1793 to 1912. 1912 had 21 records. 01,0002,0003,0001793: 11807: 21815: 11838: 11847: 11849: 11851: 11852: 31854: 31855: 11865: 41867: 11870: 11871: 11875: 41877: 21878: 11879: 31880: 21884: 21886: 21887: 31888: 11889: 11890: 21891: 11892: 31893: 51894: 71895: 21896: 31897: 51898: 81899: 21900: 21901: 61902: 51903: 111904: 91905: 121906: 181907: 171908: 371909: 191910: 191911: 251912: 211913: 261914: 381915: 311916: 221917: 401918: 761919: 161920: 641921: 581922: 851923: 1071924: 1011925: 1541926: 3221927: 3911928: 3231929: 1261930: 1131931: 1731932: 3261933: 2111934: 3911935: 2641936: 4831937: 4771938: 7111939: 5251940: 3221941: 4961942: 2871943: 2981944: 2591945: 3711946: 3571947: 4441948: 9321949: 3451950: 2441951: 6581952: 5361953: 1,3221954: 4421955: 8171956: 4671957: 6291958: 3701959: 4681960: 3201961: 5201962: 4841963: 6621964: 4491965: 3631966: 7761967: 8821968: 8671969: 7951970: 7711971: 1,1061972: 4701973: 9531974: 3261975: 7511976: 1,3091977: 7171978: 8031979: 8411980: 8421981: 7081982: 6161983: 2,0821984: 6251985: 1,1191986: 6221987: 1,0681988: 9361989: 6251990: 1,3681991: 7801992: 7021993: 7301994: 1,2181995: 1,6011996: 8261997: 1,2561998: 1,0111999: 1,4282000: 9122001: 1,4872002: 2,0842003: 9692004: 8462005: 6222006: 1,2622007: 6752008: 9132009: 6242010: 4782011: 1,1222012: 7442013: 2,5092014: 5342015: 5192016: 9732017: 5882018: 1,2022019: 6012020: 7702021: 5922022: 1,0132023: 7392024: 6412025: 9972026: 4981793187919001917193419511968198520022019
Records set or tied on this calendar date in each year from 1793 to 1912. 1912 had 21 records.
Counts for years before the ledger starts come from the same station rules.
Records on 04-18 in each year
YearRecords
17931
18072
18151
18381
18471
18491
18511
18523
18543
18551
18654
18671
18701
18711
18754
18772
18781
18793
18802
18842
18862
18873
18881
18891
18902
18911
18923
18935
18947
18952
18963
18975
18988
18992
19002
19016
19025
190311
19049
190512
190618
190717
190837
190919
191019
191125
191221
191326
191438
191531
191622
191740
191876
191916
192064
192158
192285
1923107
1924101
1925154
1926322
1927391
1928323
1929126
1930113
1931173
1932326
1933211
1934391
1935264
1936483
1937477
1938711
1939525
1940322
1941496
1942287
1943298
1944259
1945371
1946357
1947444
1948932
1949345
1950244
1951658
1952536
19531,322
1954442
1955817
1956467
1957629
1958370
1959468
1960320
1961520
1962484
1963662
1964449
1965363
1966776
1967882
1968867
1969795
1970771
19711,106
1972470
1973953
1974326
1975751
19761,309
1977717
1978803
1979841
1980842
1981708
1982616
19832,082
1984625
19851,119
1986622
19871,068
1988936
1989625
19901,368
1991780
1992702
1993730
19941,218
19951,601
1996826
19971,256
19981,011
19991,428
2000912
20011,487
20022,084
2003969
2004846
2005622
20061,262
2007675
2008913
2009624
2010478
20111,122
2012744
20132,509
2014534
2015519
2016973
2017588
20181,202
2019601
2020770
2021592
20221,013
2023739
2024641
2025997
2026498

Download the Data

  • Data for records on 1912-04-18: 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).