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Built 2026-10-19 (19 October 2026)

Weather Records on 17 April 1917

32 weather records were set or tied worldwide on 17 April 1917. Highest significance: Kisinev, MD.

Key Facts for 17 April 1917

  • On 17 April 1917, 32 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, 2 monthly and 30 daily.
  • Kisinev set a daily record precipitation of 30.6 mm (1.2 in) on 17 April 1917.
  • Across 166 earlier years (1799 to 2026) the same calendar date averaged 455 records.

Record Map

32 stations
Weather records on 17 April 1917 32 station records on 17 April 1917 are marked on the map, coloured by record type.
32 station records on 17 April 1917 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.
Weather records on 17 April 1917: highest significance records shown on the map
StationCountryTypeValueSignificance
KisinevMoldovaRecord daily precipitation30.6 mm (1.2 in)29 of 100 (Routine)
Oran-Hopital MilitaireAlgeriaRecord low maximum temperature16.0 C (60.8 F)26 of 100 (Routine)
MordenCanadaRecord daily snowfall7.6 cm (3.0 in)22 of 100 (Routine)
HaparandaSwedenRecord daily precipitation24.6 mm (1.0 in)20 of 100 (Routine)
Orskar_ASwedenRecord daily precipitation12.7 mm (0.5 in)20 of 100 (Routine)
Stellenbosch (Tnk)South AfricaRecord daily precipitation20.3 mm (0.8 in)20 of 100 (Routine)
PiteaSwedenRecord daily precipitation16.4 mm (0.6 in)20 of 100 (Routine)
ArmaghUnited KingdomRecord daily precipitation9.0 mm (0.35 in)20 of 100 (Routine)
Medicine Hat ACanadaRecord daily precipitation4.1 mm (0.16 in)19 of 100 (Routine)
Nemours (Ghazaouet)AlgeriaRecord low minimum temperature6.0 C (42.8 F)18 of 100 (Routine)
Alice Springs Post OfficeAustraliaRecord low minimum temperature3.3 C (37.9 F)18 of 100 (Routine)
HaldenNorwayRecord snow depth1.0 cm (0.4 in)18 of 100 (Routine)
San Diego WboUnited StatesRecord low maximum temperature13.9 C (57.0 F)18 of 100 (Routine)
MordenCanadaRecord daily precipitation26.9 mm (1.1 in)17 of 100 (Routine)
BjuroklubbSwedenRecord daily precipitation16.3 mm (0.6 in)17 of 100 (Routine)
Vasteras-HassloSwedenRecord daily precipitation9.7 mm (0.38 in)16 of 100 (Routine)
Oran-Hopital MilitaireAlgeriaRecord low minimum temperature8.0 C (46.4 F)15 of 100 (Routine)
Caledon (Pol)South AfricaRecord daily precipitation14.7 mm (0.6 in)15 of 100 (Routine)
WillowmoreSouth AfricaRecord daily precipitation5.3 mm (0.21 in)15 of 100 (Routine)
KaresuandoSwedenRecord daily precipitation6.5 mm (0.26 in)15 of 100 (Routine)
Moose FactoryCanadaRecord low minimum temperature-20.6 C (-5.1 F)14 of 100 (Routine)
ArnsbergGermanyRecord low maximum temperature4.2 C (39.6 F)13 of 100 (Routine)
Medicine Hat ACanadaRecord daily snowfall1.5 cm (0.6 in)12 of 100 (Routine)
Algiers-Ville/UniversiteAlgeriaRecord low minimum temperature8.0 C (46.4 F)10 of 100 (Routine)
Robe ComparisonAustraliaRecord low minimum temperature6.9 C (44.4 F)10 of 100 (Routine)
Houston Wb CityUnited StatesRecord high minimum temperature21.1 C (70.0 F)10 of 100 (Routine)
Adelaide West TerraceAustraliaRecord low minimum temperature6.9 C (44.4 F)8 of 100 (Routine)
Pointe Au PereCanadaRecord high minimum temperature1.7 C (35.1 F)3 of 100 (Routine)
AstoriaUnited StatesRecord low maximum temperature10.0 C (50.0 F)2 of 100 (Routine)
Winnemucca APUnited StatesRecord low minimum temperature-5.6 C (21.9 F)2 of 100 (Routine)
St. PetersburgRussiaRecord high maximum temperature16.7 C (62.1 F)1 of 100 (Routine)
HaparandaSwedenRecord high minimum temperature1.0 C (33.8 F)1 of 100 (Routine)

Counts by Type and Timescale

32 records
Records on 17 April 1917 by type Records set or tied on 17 April 1917 by type: Highest daily maximum 1, Lowest daily maximum 4, Highest daily minimum 3, Lowest daily minimum 8, Heaviest daily rainfall 13, Heaviest daily snowfall 2, Deepest snow cover 1. 051015Highest daily maximum: 1Lowest daily maximum: 4Highest daily minimum: 3Lowest daily minimum: 8Heaviest daily rainfall: 13Heaviest daily snowfall: 2Deepest snow cover: 1Max highMax lowMin highMin lowRainSnowDepth
Records set or tied on 17 April 1917 by type: Highest daily maximum 1, Lowest daily maximum 4, Highest daily minimum 3, Lowest daily minimum 8, Heaviest daily rainfall 13, Heaviest daily snowfall 2, Deepest snow cover 1.
Records on 17 April 1917 by type
Record typeRecords
Highest daily maximum1
Lowest daily maximum4
Highest daily minimum3
Lowest daily minimum8
Heaviest daily rainfall13
Heaviest daily snowfall2
Deepest snow cover1
Records on 17 April 1917 by timescale Records on 17 April 1917 by timescale: all-time 0, monthly 2, daily 30. 0102030all-time: 0monthly: 2daily: 30all-timemonthlydaily
Records on 17 April 1917 by timescale: all-time 0, monthly 2, daily 30.
Records on 17 April 1917 by timescale
TimescaleRecords
all-time0
monthly2
daily30

How Much Records Were Beaten By

27 broken records
Histogram of margins by which records were beaten on 17 April 1917 Margins by which the 27 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 63.0. Ties are not counted. 01020300 to 10: 2310 to 20: 320 to 30: 030 to 40: 040 to 50: 050 to 60: 060 to 70: 10 to 1010 to 2020 to 3030 to 4040 to 5050 to 6060 to 70
Margins by which the 27 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 63.0. Ties are not counted.
Histogram of margins by which records were beaten on 17 April 1917
MarginRecords
0 to 1023
10 to 203
20 to 300
30 to 400
40 to 500
50 to 600
60 to 701

Top 20 by Significance

17 April 1917
Top 20 records on 17 April 1917 by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
17 April 1917Kisinev, MDdaily rain30.6 mm (1.2 in)10.9 mm (0.4 in)27 years29 of 100 (Routine)
17 April 1917Oran-Hopital Militaire, DZdaily low max16.0 C (60.8 F)1.0 C (1.8 F)56 years26 of 100 (Routine)
17 April 1917Morden, CAdaily snowfall7.6 cm (3.0 in)6.3 cm (2.5 in)28 years22 of 100 (Routine)
17 April 1917Haparanda, SEmonthly rain24.6 mm (1.0 in)3.2 mm (0.13 in)34 years20 of 100 (Routine)
17 April 1917Orskar_A, SEdaily rain12.7 mm (0.5 in)5.5 mm (0.22 in)20 years20 of 100 (Routine)
17 April 1917Stellenbosch (Tnk), ZAdaily rain20.3 mm (0.8 in)11.7 mm (0.5 in)18 years20 of 100 (Routine)
17 April 1917Pitea, SEdaily rain16.4 mm (0.6 in)5.9 mm (0.23 in)4 years20 of 100 (Routine)
17 April 1917Armagh, GBdaily rain9.0 mm (0.35 in)1.0 mm (0.04 in)38 years20 of 100 (Routine)
17 April 1917Medicine Hat A, CAdaily rain4.1 mm (0.16 in)2.8 mm (0.11 in)31 years19 of 100 (Routine)
17 April 1917Nemours (Ghazaouet), DZdaily low min6.0 C (42.8 F)1.0 C (1.8 F)34 years18 of 100 (Routine)
17 April 1917Alice Springs Post Office, AUdaily low min3.3 C (37.9 F)2.3 C (4.1 F)31 years18 of 100 (Routine)
17 April 1917Halden, NOdaily snow depth1.0 cm (0.4 in)1.0 cm (0.4 in)34 years18 of 100 (Routine)
17 April 1917San Diego Wbo, USdaily low max13.9 C (57.0 F)1.1 C (2.0 F)36 years18 of 100 (Routine)
17 April 1917Morden, CAdaily rain26.9 mm (1.1 in)6.6 mm (0.26 in)25 years17 of 100 (Routine)
17 April 1917Bjuroklubb, SEmonthly rain16.3 mm (0.6 in)0.8 mm (0.03 in)9 years17 of 100 (Routine)
17 April 1917Vasteras-Hasslo, SEdaily rain9.7 mm (0.38 in)2.5 mm (0.10 in)10 years16 of 100 (Routine)
17 April 1917Oran-Hopital Militaire, DZdaily low min8.0 C (46.4 F)0.2 C (0.4 F)32 years15 of 100 (Routine)
17 April 1917Caledon (Pol), ZAdaily rain14.7 mm (0.6 in)2.0 mm (0.08 in)32 years15 of 100 (Routine)
17 April 1917Willowmore, ZAdaily rain5.3 mm (0.21 in)1.2 mm (0.05 in)32 years15 of 100 (Routine)
17 April 1917Karesuando, SEdaily rain6.5 mm (0.26 in)2.3 mm (0.09 in)2 years15 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

1799 to 1917
Records on 04-17 in each year Records set or tied on this calendar date in each year from 1799 to 1917. 1917 had 32 records. 01,0002,0003,0001799: 11807: 11808: 11815: 11817: 11818: 11819: 11823: 11825: 11830: 11835: 31837: 11845: 11847: 21851: 11852: 31853: 11854: 11855: 11857: 11858: 11862: 11865: 21868: 11873: 41874: 11875: 31877: 41878: 21880: 21889: 11890: 21891: 21892: 41894: 51895: 11896: 51897: 61898: 31899: 11900: 21901: 41902: 41903: 51904: 191905: 111906: 141907: 161908: 381909: 71910: 291911: 331912: 271913: 201914: 831915: 301916: 301917: 321918: 351919: 391920: 871921: 1481922: 961923: 711924: 741925: 1031926: 1401927: 2561928: 3081929: 1451930: 2381931: 2161932: 6151933: 2611934: 2341935: 3741936: 3081937: 4391938: 5641939: 6181940: 3371941: 4601942: 4151943: 2851944: 3341945: 4751946: 4921947: 4611948: 6221949: 4391950: 2931951: 4411952: 5291953: 8181954: 6501955: 3941956: 4861957: 2771958: 7021959: 4341960: 5531961: 6671962: 5971963: 7021964: 7661965: 4111966: 4091967: 9351968: 7451969: 7281970: 5471971: 9241972: 5461973: 5891974: 2441975: 6661976: 1,6301977: 9061978: 6201979: 8101980: 6751981: 6211982: 9651983: 1,3651984: 7201985: 9171986: 9971987: 9601988: 1,0821989: 6381990: 1,0651991: 6141992: 1,1051993: 8471994: 1,0471995: 1,2111996: 1,0441997: 8891998: 1,7951999: 1,7302000: 1,0822001: 1,0132002: 2,2842003: 1,0372004: 7612005: 5722006: 1,4302007: 8632008: 8422009: 7792010: 6062011: 9822012: 9202013: 1,7962014: 9132015: 8132016: 9772017: 4692018: 1,5852019: 4582020: 1,1652021: 7012022: 8312023: 6282024: 6902025: 1,0582026: 8381799185418941911192819451962197919962013
Records set or tied on this calendar date in each year from 1799 to 1917. 1917 had 32 records.
Counts for years before the ledger starts come from the same station rules.
Records on 04-17 in each year
YearRecords
17991
18071
18081
18151
18171
18181
18191
18231
18251
18301
18353
18371
18451
18472
18511
18523
18531
18541
18551
18571
18581
18621
18652
18681
18734
18741
18753
18774
18782
18802
18891
18902
18912
18924
18945
18951
18965
18976
18983
18991
19002
19014
19024
19035
190419
190511
190614
190716
190838
19097
191029
191133
191227
191320
191483
191530
191630
191732
191835
191939
192087
1921148
192296
192371
192474
1925103
1926140
1927256
1928308
1929145
1930238
1931216
1932615
1933261
1934234
1935374
1936308
1937439
1938564
1939618
1940337
1941460
1942415
1943285
1944334
1945475
1946492
1947461
1948622
1949439
1950293
1951441
1952529
1953818
1954650
1955394
1956486
1957277
1958702
1959434
1960553
1961667
1962597
1963702
1964766
1965411
1966409
1967935
1968745
1969728
1970547
1971924
1972546
1973589
1974244
1975666
19761,630
1977906
1978620
1979810
1980675
1981621
1982965
19831,365
1984720
1985917
1986997
1987960
19881,082
1989638
19901,065
1991614
19921,105
1993847
19941,047
19951,211
19961,044
1997889
19981,795
19991,730
20001,082
20011,013
20022,284
20031,037
2004761
2005572
20061,430
2007863
2008842
2009779
2010606
2011982
2012920
20131,796
2014913
2015813
2016977
2017469
20181,585
2019458
20201,165
2021701
2022831
2023628
2024690
20251,058
2026838

Download the Data

  • Data for records on 1917-04-17: 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).